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> -rw-r--r--xlators/cluster/Makefile.am2
-rw-r--r--xlators/cluster/afr/src/afr-common.c11640
-rw-r--r--xlators/cluster/afr/src/afr-dir-read.c521
-rw-r--r--xlators/cluster/afr/src/afr-dir-read.h21
-rw-r--r--xlators/cluster/afr/src/afr-dir-write.c2167
-rw-r--r--xlators/cluster/afr/src/afr-dir-write.h33
-rw-r--r--xlators/cluster/afr/src/afr-inode-read.c2932
-rw-r--r--xlators/cluster/afr/src/afr-inode-read.h32
-rw-r--r--xlators/cluster/afr/src/afr-inode-write.c3686
-rw-r--r--xlators/cluster/afr/src/afr-inode-write.h78
-rw-r--r--xlators/cluster/afr/src/afr-lk-common.c1616
-rw-r--r--xlators/cluster/afr/src/afr-mem-types.h56
-rw-r--r--xlators/cluster/afr/src/afr-messages.h188
-rw-r--r--xlators/cluster/afr/src/afr-open.c566
-rw-r--r--xlators/cluster/afr/src/afr-read-txn.c582
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-common.c4421
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-data.c1491
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-entry.c2076
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-metadata.c874
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-name.c1065
-rw-r--r--xlators/cluster/afr/src/afr-self-heal.h475
-rw-r--r--xlators/cluster/afr/src/afr-self-heald.c2508
-rw-r--r--xlators/cluster/afr/src/afr-self-heald.h86
-rw-r--r--xlators/cluster/afr/src/afr-transaction.c4360
-rw-r--r--xlators/cluster/afr/src/afr-transaction.h55
-rw-r--r--xlators/cluster/afr/src/afr.c2246
-rw-r--r--xlators/cluster/afr/src/afr.h1919
-rw-r--r--xlators/cluster/dht/src/Makefile.am30
-rw-r--r--xlators/cluster/dht/src/dht-common.c18860
-rw-r--r--xlators/cluster/dht/src/dht-common.h2205
-rw-r--r--xlators/cluster/dht/src/dht-diskusage.c855
-rw-r--r--xlators/cluster/dht/src/dht-hashfn.c157
-rw-r--r--xlators/cluster/dht/src/dht-helper.c3438
-rw-r--r--xlators/cluster/dht/src/dht-inode-read.c2550
-rw-r--r--xlators/cluster/dht/src/dht-inode-write.c2332
-rw-r--r--xlators/cluster/dht/src/dht-layout.c1265
-rw-r--r--xlators/cluster/dht/src/dht-linkfile.c520
-rw-r--r--xlators/cluster/dht/src/dht-lock.c2091
-rw-r--r--xlators/cluster/dht/src/dht-lock.h56
-rw-r--r--xlators/cluster/dht/src/dht-mem-types.h49
-rw-r--r--xlators/cluster/dht/src/dht-messages.h493
-rw-r--r--xlators/cluster/dht/src/dht-rebalance.c8639
-rw-r--r--xlators/cluster/dht/src/dht-rename.c3386
-rw-r--r--xlators/cluster/dht/src/dht-selfheal.c4504
-rw-r--r--xlators/cluster/dht/src/dht-shared.c1932
-rw-r--r--xlators/cluster/dht/src/dht.c158
-rw-r--r--xlators/cluster/dht/src/dht.sym8
-rw-r--r--xlators/cluster/dht/src/nufa.c1103
-rw-r--r--xlators/cluster/dht/src/nufa.sym8
-rw-r--r--xlators/cluster/dht/src/switch.c1482
-rw-r--r--xlators/cluster/dht/src/switch.sym8
-rw-r--r--xlators/cluster/dht/src/tier-common.c1249
-rw-r--r--xlators/cluster/dht/src/tier-common.h68
-rw-r--r--xlators/cluster/dht/src/tier.c3342
-rw-r--r--xlators/cluster/dht/src/tier.h112
-rw-r--r--xlators/cluster/dht/src/tier.sym9
-rw-r--r--xlators/cluster/dht/src/unittest/dht_layout_mock.c39
-rw-r--r--xlators/cluster/dht/src/unittest/dht_layout_unittest.c26
-rw-r--r--xlators/cluster/ec/src/ec-code-avx.c43
-rw-r--r--xlators/cluster/ec/src/ec-code-c.c902
-rw-r--r--xlators/cluster/ec/src/ec-code-c.h13
-rw-r--r--xlators/cluster/ec/src/ec-code-intel.c64
-rw-r--r--xlators/cluster/ec/src/ec-code-intel.h167
-rw-r--r--xlators/cluster/ec/src/ec-code-sse.c43
-rw-r--r--xlators/cluster/ec/src/ec-code-x64.c48
-rw-r--r--xlators/cluster/ec/src/ec-code.c395
-rw-r--r--xlators/cluster/ec/src/ec-code.h4
-rw-r--r--xlators/cluster/ec/src/ec-combine.c532
-rw-r--r--xlators/cluster/ec/src/ec-combine.h38
-rw-r--r--xlators/cluster/ec/src/ec-common.c1960
-rw-r--r--xlators/cluster/ec/src/ec-common.h287
-rw-r--r--xlators/cluster/ec/src/ec-data.c195
-rw-r--r--xlators/cluster/ec/src/ec-data.h29
-rw-r--r--xlators/cluster/ec/src/ec-dir-read.c369
-rw-r--r--xlators/cluster/ec/src/ec-dir-write.c679
-rw-r--r--xlators/cluster/ec/src/ec-fops.h430
-rw-r--r--xlators/cluster/ec/src/ec-galois.c3
-rw-r--r--xlators/cluster/ec/src/ec-galois.h18
-rw-r--r--xlators/cluster/ec/src/ec-generic.c878
-rw-r--r--xlators/cluster/ec/src/ec-gf8.c10679
-rw-r--r--xlators/cluster/ec/src/ec-heal.c5133
-rw-r--r--xlators/cluster/ec/src/ec-heald.c977
-rw-r--r--xlators/cluster/ec/src/ec-heald.h13
-rw-r--r--xlators/cluster/ec/src/ec-helpers.c346
-rw-r--r--xlators/cluster/ec/src/ec-helpers.h234
-rw-r--r--xlators/cluster/ec/src/ec-inode-read.c1136
-rw-r--r--xlators/cluster/ec/src/ec-inode-write.c1845
-rw-r--r--xlators/cluster/ec/src/ec-locks.c676
-rw-r--r--xlators/cluster/ec/src/ec-mem-types.h6
-rw-r--r--xlators/cluster/ec/src/ec-messages.h114
-rw-r--r--xlators/cluster/ec/src/ec-method.c48
-rw-r--r--xlators/cluster/ec/src/ec-method.h11
-rw-r--r--xlators/cluster/ec/src/ec-types.h798
-rw-r--r--xlators/cluster/ec/src/ec.c2120
-rw-r--r--xlators/cluster/ec/src/ec.h17
-rw-r--r--xlators/cluster/stripe/src/Makefile.am22
-rw-r--r--xlators/cluster/stripe/src/stripe-helpers.c677
-rw-r--r--xlators/cluster/stripe/src/stripe-mem-types.h31
-rw-r--r--xlators/cluster/stripe/src/stripe.c5782
-rw-r--r--xlators/cluster/stripe/src/stripe.h281
-rw-r--r--xlators/debug/delay-gen/src/delay-gen-mem-types.h7
-rw-r--r--xlators/debug/delay-gen/src/delay-gen-messages.h2
-rw-r--r--xlators/debug/delay-gen/src/delay-gen.c871
-rw-r--r--xlators/debug/delay-gen/src/delay-gen.h15
-rw-r--r--xlators/debug/error-gen/src/error-gen-mem-types.h6
-rw-r--r--xlators/debug/error-gen/src/error-gen.c2550
-rw-r--r--xlators/debug/error-gen/src/error-gen.h33
-rw-r--r--xlators/debug/io-stats/src/io-stats-mem-types.h17
-rw-r--r--xlators/debug/io-stats/src/io-stats.c6980
-rw-r--r--xlators/debug/sink/src/sink.c73
-rw-r--r--xlators/debug/trace/src/trace-mem-types.h7
-rw-r--r--xlators/debug/trace/src/trace.c5453
-rw-r--r--xlators/debug/trace/src/trace.h65
-rw-r--r--xlators/encryption/Makefile.am3
-rw-r--r--xlators/encryption/crypt/Makefile.am3
-rw-r--r--xlators/encryption/crypt/src/Makefile.am26
-rw-r--r--xlators/encryption/crypt/src/atom.c957
-rw-r--r--xlators/encryption/crypt/src/crypt-common.h141
-rw-r--r--xlators/encryption/crypt/src/crypt-mem-types.h45
-rw-r--r--xlators/encryption/crypt/src/crypt.c4525
-rw-r--r--xlators/encryption/crypt/src/crypt.h903
-rw-r--r--xlators/encryption/crypt/src/data.c764
-rw-r--r--xlators/encryption/crypt/src/keys.c310
-rw-r--r--xlators/encryption/crypt/src/metadata.c614
-rw-r--r--xlators/encryption/crypt/src/metadata.h74
-rw-r--r--xlators/encryption/rot-13/Makefile.am3
-rw-r--r--xlators/encryption/rot-13/src/rot-13.c196
-rw-r--r--xlators/experimental/Makefile.am3
-rw-r--r--xlators/experimental/README.md107
-rw-r--r--xlators/experimental/dht2/Makefile.am3
-rw-r--r--xlators/experimental/dht2/README.md47
-rw-r--r--xlators/experimental/dht2/TODO.md3
-rw-r--r--xlators/experimental/dht2/dht2-client/src/Makefile.am21
-rw-r--r--xlators/experimental/dht2/dht2-client/src/dht2-client-main.c59
-rw-r--r--xlators/experimental/dht2/dht2-common/src/dht2-common-map.c19
-rw-r--r--xlators/experimental/dht2/dht2-server/src/Makefile.am23
-rw-r--r--xlators/experimental/dht2/dht2-server/src/dht2-server-main.c59
-rw-r--r--xlators/experimental/fdl/Makefile.am3
-rw-r--r--xlators/experimental/fdl/src/Makefile.am48
-rw-r--r--xlators/experimental/fdl/src/dump-tmpl.c187
-rw-r--r--xlators/experimental/fdl/src/fdl-tmpl.c536
-rw-r--r--xlators/experimental/fdl/src/fdl.h30
-rwxr-xr-xxlators/experimental/fdl/src/gen_dumper.py117
-rwxr-xr-xxlators/experimental/fdl/src/gen_fdl.py354
-rwxr-xr-xxlators/experimental/fdl/src/gen_recon.py218
-rw-r--r--xlators/experimental/fdl/src/logdump.c50
-rw-r--r--xlators/experimental/fdl/src/recon-tmpl.c304
-rw-r--r--xlators/experimental/fdl/src/recon.c89
-rw-r--r--xlators/experimental/jbr-client/Makefile.am3
-rw-r--r--xlators/experimental/jbr-client/src/Makefile.am34
-rw-r--r--xlators/experimental/jbr-client/src/fop-template.c113
-rwxr-xr-xxlators/experimental/jbr-client/src/gen-fops.py58
-rw-r--r--xlators/experimental/jbr-client/src/jbr-messages.h39
-rw-r--r--xlators/experimental/jbr-client/src/jbrc.c320
-rw-r--r--xlators/experimental/jbr-client/src/jbrc.h27
-rw-r--r--xlators/experimental/jbr-server/Makefile.am3
-rw-r--r--xlators/experimental/jbr-server/src/Makefile.am39
-rw-r--r--xlators/experimental/jbr-server/src/all-templates.c542
-rwxr-xr-xxlators/experimental/jbr-server/src/gen-fops.py181
-rw-r--r--xlators/experimental/jbr-server/src/jbr-internal.h117
-rw-r--r--xlators/experimental/jbr-server/src/jbr.c1749
-rw-r--r--xlators/experimental/posix2/Makefile.am3
-rw-r--r--xlators/experimental/posix2/README.md7
-rw-r--r--xlators/experimental/posix2/TODO.md3
-rw-r--r--xlators/experimental/posix2/common/Makefile.am3
-rw-r--r--xlators/experimental/posix2/common/src/Makefile.am16
-rw-r--r--xlators/experimental/posix2/common/src/posix2-common.c18
-rw-r--r--xlators/experimental/posix2/ds/Makefile.am3
-rw-r--r--xlators/experimental/posix2/ds/src/Makefile.am22
-rw-r--r--xlators/experimental/posix2/ds/src/posix2-ds-main.c59
-rw-r--r--xlators/experimental/posix2/mds/Makefile.am3
-rw-r--r--xlators/experimental/posix2/mds/src/Makefile.am22
-rw-r--r--xlators/experimental/posix2/mds/src/posix2-mds-main.c59
-rw-r--r--xlators/features/Makefile.am13
-rw-r--r--xlators/features/arbiter/src/arbiter-mem-types.h6
-rw-r--r--xlators/features/arbiter/src/arbiter.c533
-rw-r--r--xlators/features/arbiter/src/arbiter.h6
-rw-r--r--xlators/features/barrier/src/barrier-mem-types.h6
-rw-r--r--xlators/features/barrier/src/barrier.c1081
-rw-r--r--xlators/features/barrier/src/barrier.h129
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot-bitd-messages.h133
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot-scrub-status.c83
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot-scrub-status.h28
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot-scrub.c3182
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot-scrub.h33
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot-ssm.c129
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot-ssm.h27
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot.c3307
-rw-r--r--xlators/features/bit-rot/src/bitd/bit-rot.h337
-rw-r--r--xlators/features/bit-rot/src/stub/bit-rot-common.h181
-rw-r--r--xlators/features/bit-rot/src/stub/bit-rot-object-version.h12
-rw-r--r--xlators/features/bit-rot/src/stub/bit-rot-stub-helpers.c1181
-rw-r--r--xlators/features/bit-rot/src/stub/bit-rot-stub-mem-types.h35
-rw-r--r--xlators/features/bit-rot/src/stub/bit-rot-stub-messages.h127
-rw-r--r--xlators/features/bit-rot/src/stub/bit-rot-stub.c5153
-rw-r--r--xlators/features/bit-rot/src/stub/bit-rot-stub.h593
-rw-r--r--xlators/features/changelog/lib/examples/c/get-changes-multi.c80
-rw-r--r--xlators/features/changelog/lib/examples/c/get-changes.c102
-rw-r--r--xlators/features/changelog/lib/examples/c/get-history.c148
-rwxr-xr-x[-rw-r--r--]xlators/features/changelog/lib/examples/python/changes.py2
-rw-r--r--xlators/features/changelog/lib/examples/python/libgfchangelog.py4
-rw-r--r--xlators/features/changelog/lib/src/Makefile.am2
-rw-r--r--xlators/features/changelog/lib/src/changelog-lib-messages.h83
-rw-r--r--xlators/features/changelog/lib/src/gf-changelog-api.c313
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-rw-r--r--xlators/features/changelog/lib/src/gf-changelog-helpers.h244
-rw-r--r--xlators/features/changelog/lib/src/gf-changelog-journal-handler.c1634
-rw-r--r--xlators/features/changelog/lib/src/gf-changelog-journal.h94
-rw-r--r--xlators/features/changelog/lib/src/gf-changelog-reborp.c587
-rw-r--r--xlators/features/changelog/lib/src/gf-changelog-rpc.c90
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-rw-r--r--xlators/features/changelog/lib/src/gf-changelog.c889
-rw-r--r--xlators/features/changelog/lib/src/gf-history-changelog.c1529
-rw-r--r--xlators/features/changelog/src/changelog-barrier.c141
-rw-r--r--xlators/features/changelog/src/changelog-encoders.c298
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-rw-r--r--xlators/features/changetimerecorder/Makefile.am3
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-rw-r--r--xlators/features/changetimerecorder/src/ctr_mem_types.h24
-rw-r--r--xlators/features/cloudsync/src/Makefile.am2
-rw-r--r--xlators/features/cloudsync/src/cloudsync-autogen-fops-tmpl.c8
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-rw-r--r--xlators/features/glupy/Makefile.am3
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-rw-r--r--xlators/performance/io-cache/src/io-cache-messages.h56
-rw-r--r--xlators/performance/io-cache/src/io-cache.c3094
-rw-r--r--xlators/performance/io-cache/src/io-cache.h400
-rw-r--r--xlators/performance/io-cache/src/ioc-inode.c298
-rw-r--r--xlators/performance/io-cache/src/ioc-mem-types.h24
-rw-r--r--xlators/performance/io-cache/src/page.c1456
-rw-r--r--xlators/performance/io-threads/src/io-threads-messages.h24
-rw-r--r--xlators/performance/io-threads/src/io-threads.c2057
-rw-r--r--xlators/performance/io-threads/src/io-threads.h111
-rw-r--r--xlators/performance/io-threads/src/iot-mem-types.h10
-rw-r--r--xlators/performance/md-cache/src/md-cache-mem-types.h14
-rw-r--r--xlators/performance/md-cache/src/md-cache-messages.h12
-rw-r--r--xlators/performance/md-cache/src/md-cache.c5589
-rw-r--r--xlators/performance/nl-cache/src/nl-cache-helper.c1728
-rw-r--r--xlators/performance/nl-cache/src/nl-cache-mem-types.h20
-rw-r--r--xlators/performance/nl-cache/src/nl-cache-messages.h10
-rw-r--r--xlators/performance/nl-cache/src/nl-cache.c1272
-rw-r--r--xlators/performance/nl-cache/src/nl-cache.h170
-rw-r--r--xlators/performance/open-behind/src/open-behind-mem-types.h10
-rw-r--r--xlators/performance/open-behind/src/open-behind-messages.h13
-rw-r--r--xlators/performance/open-behind/src/open-behind.c1918
-rw-r--r--xlators/performance/quick-read/src/quick-read-mem-types.h16
-rw-r--r--xlators/performance/quick-read/src/quick-read-messages.h17
-rw-r--r--xlators/performance/quick-read/src/quick-read.c2352
-rw-r--r--xlators/performance/quick-read/src/quick-read.h94
-rw-r--r--xlators/performance/read-ahead/src/page.c861
-rw-r--r--xlators/performance/read-ahead/src/read-ahead-mem-types.h17
-rw-r--r--xlators/performance/read-ahead/src/read-ahead-messages.h15
-rw-r--r--xlators/performance/read-ahead/src/read-ahead.c1863
-rw-r--r--xlators/performance/read-ahead/src/read-ahead.h178
-rw-r--r--xlators/performance/readdir-ahead/src/readdir-ahead-mem-types.h12
-rw-r--r--xlators/performance/readdir-ahead/src/readdir-ahead-messages.h14
-rw-r--r--xlators/performance/readdir-ahead/src/readdir-ahead.c1713
-rw-r--r--xlators/performance/readdir-ahead/src/readdir-ahead.h99
-rw-r--r--xlators/performance/symlink-cache/Makefile.am3
-rw-r--r--xlators/performance/symlink-cache/src/Makefile.am16
-rw-r--r--xlators/performance/symlink-cache/src/symlink-cache-messages.h33
-rw-r--r--xlators/performance/symlink-cache/src/symlink-cache.c402
-rw-r--r--xlators/performance/write-behind/src/write-behind-mem-types.h16
-rw-r--r--xlators/performance/write-behind/src/write-behind-messages.h16
-rw-r--r--xlators/performance/write-behind/src/write-behind.c4745
-rw-r--r--xlators/playground/rot-13/Makefile.am (renamed from xlators/cluster/stripe/Makefile.am)0
-rw-r--r--xlators/playground/rot-13/src/Makefile.am (renamed from xlators/encryption/rot-13/src/Makefile.am)0
-rw-r--r--xlators/playground/rot-13/src/rot-13.c166
-rw-r--r--xlators/playground/rot-13/src/rot-13.h (renamed from xlators/encryption/rot-13/src/rot-13.h)4
-rw-r--r--xlators/playground/template/src/Makefile.am2
-rw-r--r--xlators/playground/template/src/template.c182
-rw-r--r--xlators/playground/template/src/template.h36
-rw-r--r--xlators/protocol/auth/addr/src/Makefile.am2
-rw-r--r--xlators/protocol/auth/addr/src/addr.c528
-rw-r--r--xlators/protocol/auth/login/src/Makefile.am2
-rw-r--r--xlators/protocol/auth/login/src/login.c351
-rw-r--r--xlators/protocol/client/src/client-callback.c456
-rw-r--r--xlators/protocol/client/src/client-common.c4568
-rw-r--r--xlators/protocol/client/src/client-common.h644
-rw-r--r--xlators/protocol/client/src/client-handshake.c2618
-rw-r--r--xlators/protocol/client/src/client-helpers.c3776
-rw-r--r--xlators/protocol/client/src/client-lk.c709
-rw-r--r--xlators/protocol/client/src/client-mem-types.h20
-rw-r--r--xlators/protocol/client/src/client-messages.h219
-rw-r--r--xlators/protocol/client/src/client-rpc-fops.c10325
-rw-r--r--xlators/protocol/client/src/client-rpc-fops_v2.c10366
-rw-r--r--xlators/protocol/client/src/client.c4367
-rw-r--r--xlators/protocol/client/src/client.h709
-rw-r--r--xlators/protocol/server/src/Makefile.am2
-rw-r--r--xlators/protocol/server/src/authenticate.c327
-rw-r--r--xlators/protocol/server/src/authenticate.h32
-rw-r--r--xlators/protocol/server/src/server-common.c1165
-rw-r--r--xlators/protocol/server/src/server-common.h213
-rw-r--r--xlators/protocol/server/src/server-handshake.c1604
-rw-r--r--xlators/protocol/server/src/server-helpers.c7199
-rw-r--r--xlators/protocol/server/src/server-helpers.h117
-rw-r--r--xlators/protocol/server/src/server-mem-types.h27
-rw-r--r--xlators/protocol/server/src/server-messages.h239
-rw-r--r--xlators/protocol/server/src/server-resolve.c981
-rw-r--r--xlators/protocol/server/src/server-rpc-fops.c8849
-rw-r--r--xlators/protocol/server/src/server-rpc-fops_v2.c8474
-rw-r--r--xlators/protocol/server/src/server.c3181
-rw-r--r--xlators/protocol/server/src/server.h350
-rw-r--r--xlators/storage/Makefile.am4
-rw-r--r--xlators/storage/bd/Makefile.am3
-rw-r--r--xlators/storage/bd/src/Makefile.am21
-rw-r--r--xlators/storage/bd/src/bd-aio.c523
-rw-r--r--xlators/storage/bd/src/bd-aio.h36
-rw-r--r--xlators/storage/bd/src/bd-helper.c1025
-rw-r--r--xlators/storage/bd/src/bd-mem-types.h27
-rw-r--r--xlators/storage/bd/src/bd.c2443
-rw-r--r--xlators/storage/bd/src/bd.h168
-rw-r--r--xlators/storage/posix/src/Makefile.am2
-rw-r--r--xlators/storage/posix/src/posix-aio.c970
-rw-r--r--xlators/storage/posix/src/posix-aio.h22
-rw-r--r--xlators/storage/posix/src/posix-common.c2411
-rw-r--r--xlators/storage/posix/src/posix-entry-ops.c4100
-rw-r--r--xlators/storage/posix/src/posix-gfid-path.c485
-rw-r--r--xlators/storage/posix/src/posix-gfid-path.h21
-rw-r--r--xlators/storage/posix/src/posix-handle.c1685
-rw-r--r--xlators/storage/posix/src/posix-handle.h348
-rw-r--r--xlators/storage/posix/src/posix-helpers.c5777
-rw-r--r--xlators/storage/posix/src/posix-inode-fd-ops.c9124
-rw-r--r--xlators/storage/posix/src/posix-inode-handle.h145
-rw-r--r--xlators/storage/posix/src/posix-mem-types.h22
-rw-r--r--xlators/storage/posix/src/posix-messages.h169
-rw-r--r--xlators/storage/posix/src/posix-metadata-disk.h20
-rw-r--r--xlators/storage/posix/src/posix-metadata.c1290
-rw-r--r--xlators/storage/posix/src/posix-metadata.h61
-rw-r--r--xlators/storage/posix/src/posix.c134
-rw-r--r--xlators/storage/posix/src/posix.h825
-rw-r--r--xlators/system/posix-acl/src/posix-acl-mem-types.h13
-rw-r--r--xlators/system/posix-acl/src/posix-acl-messages.h6
-rw-r--r--xlators/system/posix-acl/src/posix-acl-xattr.c229
-rw-r--r--xlators/system/posix-acl/src/posix-acl-xattr.h17
-rw-r--r--xlators/system/posix-acl/src/posix-acl.c3399
-rw-r--r--xlators/system/posix-acl/src/posix-acl.h33
-rw-r--r--xlators/xlator.sym10
695 files changed, 327421 insertions, 367752 deletions
diff --git a/xlators/Makefile.am b/xlators/Makefile.am
index 876a31f8e81..ef20cbb64fa 100644
--- a/xlators/Makefile.am
+++ b/xlators/Makefile.am
@@ -1,16 +1,12 @@
-if ENABLE_EXPERIMENTAL
- EXPERIMENTAL = experimental
-endif
-
if BUILD_GNFS
GNFS_DIR = nfs
endif
-DIST_SUBDIRS = cluster storage protocol performance debug features encryption \
- mount nfs mgmt system playground meta experimental
+DIST_SUBDIRS = cluster storage protocol performance debug features \
+ mount nfs mgmt system playground meta
-SUBDIRS = cluster storage protocol performance debug features encryption \
- mount ${GNFS_DIR} mgmt system playground meta $(EXPERIMENTAL)
+SUBDIRS = cluster storage protocol performance debug features \
+ mount ${GNFS_DIR} mgmt system playground meta
EXTRA_DIST = xlator.sym
diff --git a/xlators/cluster/Makefile.am b/xlators/cluster/Makefile.am
index 903fbb39f12..8e067d5ab58 100644
--- a/xlators/cluster/Makefile.am
+++ b/xlators/cluster/Makefile.am
@@ -1,3 +1,3 @@
-SUBDIRS = stripe afr dht ec
+SUBDIRS = afr dht ec
CLEANFILES =
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index e60d5315dbe..032ab5c8001 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -15,22 +15,20 @@
#include <stdlib.h>
#include <signal.h>
-#include "glusterfs.h"
+#include <glusterfs/glusterfs.h>
#include "afr.h"
-#include "dict.h"
-#include "xlator.h"
-#include "hashfn.h"
-#include "logging.h"
-#include "list.h"
-#include "call-stub.h"
-#include "defaults.h"
-#include "common-utils.h"
-#include "compat-errno.h"
-#include "compat.h"
-#include "byte-order.h"
-#include "statedump.h"
-#include "events.h"
-#include "upcall-utils.h"
+#include <glusterfs/dict.h>
+#include <glusterfs/hashfn.h>
+#include <glusterfs/list.h>
+#include <glusterfs/call-stub.h>
+#include <glusterfs/defaults.h>
+#include <glusterfs/common-utils.h>
+#include <glusterfs/compat-errno.h>
+#include <glusterfs/compat.h>
+#include <glusterfs/byte-order.h>
+#include <glusterfs/statedump.h>
+#include <glusterfs/events.h>
+#include <glusterfs/upcall-utils.h>
#include "afr-inode-read.h"
#include "afr-inode-write.h"
@@ -42,157 +40,796 @@
#include "afr-messages.h"
int32_t
-afr_quorum_errno (afr_private_t *priv)
+afr_quorum_errno(afr_private_t *priv)
{
- return ENOTCONN;
+ return ENOTCONN;
+}
+
+gf_boolean_t
+afr_is_private_directory(afr_private_t *priv, uuid_t pargfid, const char *name,
+ pid_t pid)
+{
+ if (!__is_root_gfid(pargfid)) {
+ return _gf_false;
+ }
+
+ if (strcmp(name, GF_REPLICATE_TRASH_DIR) == 0) {
+ /*For backward compatibility /.landfill is private*/
+ return _gf_true;
+ }
+
+ if (pid == GF_CLIENT_PID_GSYNCD) {
+ /*geo-rep needs to create/sync private directory on slave because
+ * it appears in changelog*/
+ return _gf_false;
+ }
+
+ if (pid == GF_CLIENT_PID_GLFS_HEAL || pid == GF_CLIENT_PID_SELF_HEALD) {
+ if (strcmp(name, priv->anon_inode_name) == 0) {
+ /* anonymous-inode dir is private*/
+ return _gf_true;
+ }
+ } else {
+ if (strncmp(name, AFR_ANON_DIR_PREFIX, strlen(AFR_ANON_DIR_PREFIX)) ==
+ 0) {
+ /* anonymous-inode dir prefix is private for geo-rep to work*/
+ return _gf_true;
+ }
+ }
+
+ return _gf_false;
+}
+
+void
+afr_fill_success_replies(afr_local_t *local, afr_private_t *priv,
+ unsigned char *replies)
+{
+ int i = 0;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].valid && local->replies[i].op_ret == 0) {
+ replies[i] = 1;
+ } else {
+ replies[i] = 0;
+ }
+ }
}
int
-afr_fav_child_reset_sink_xattrs (void *opaque);
+afr_fav_child_reset_sink_xattrs(void *opaque);
int
-afr_fav_child_reset_sink_xattrs_cbk (int ret, call_frame_t *frame,
- void *opaque);
+afr_fav_child_reset_sink_xattrs_cbk(int ret, call_frame_t *frame, void *opaque);
static void
-afr_discover_done (call_frame_t *frame, xlator_t *this);
+afr_discover_done(call_frame_t *frame, xlator_t *this);
-gf_boolean_t
-afr_is_consistent_io_possible (afr_local_t *local, afr_private_t *priv,
- int32_t *op_errno)
+int
+afr_dom_lock_acquire_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- if (priv->consistent_io && local->call_count != priv->child_count) {
- gf_msg (THIS->name, GF_LOG_INFO, 0,
- AFR_MSG_SUBVOLS_DOWN, "All subvolumes are not up");
- if (op_errno)
- *op_errno = ENOTCONN;
- return _gf_false;
- }
- return _gf_true;
+ afr_local_t *local = frame->local;
+ afr_private_t *priv = this->private;
+ int i = (long)cookie;
+
+ local->cont.lk.dom_lock_op_ret[i] = op_ret;
+ local->cont.lk.dom_lock_op_errno[i] = op_errno;
+ if (op_ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_LK_HEAL_DOM,
+ "%s: Failed to acquire %s on %s",
+ uuid_utoa(local->fd->inode->gfid), AFR_LK_HEAL_DOM,
+ priv->children[i]->name);
+ } else {
+ local->cont.lk.dom_locked_nodes[i] = 1;
+ }
+
+ syncbarrier_wake(&local->barrier);
+
+ return 0;
}
-call_frame_t *
-afr_copy_frame (call_frame_t *base)
-{
- afr_local_t *local = NULL;
- call_frame_t *frame = NULL;
- int op_errno = 0;
+int
+afr_dom_lock_acquire(call_frame_t *frame)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ struct gf_flock flock = {
+ 0,
+ };
+ int i = 0;
+
+ priv = frame->this->private;
+ local = frame->local;
+ local->cont.lk.dom_locked_nodes = GF_CALLOC(
+ priv->child_count, sizeof(*local->cont.lk.locked_nodes),
+ gf_afr_mt_char);
+ if (!local->cont.lk.dom_locked_nodes) {
+ return -ENOMEM;
+ }
+ local->cont.lk.dom_lock_op_ret = GF_CALLOC(
+ priv->child_count, sizeof(*local->cont.lk.dom_lock_op_ret),
+ gf_afr_mt_int32_t);
+ if (!local->cont.lk.dom_lock_op_ret) {
+ return -ENOMEM; /* CALLOC'd members are freed in afr_local_cleanup. */
+ }
+ local->cont.lk.dom_lock_op_errno = GF_CALLOC(
+ priv->child_count, sizeof(*local->cont.lk.dom_lock_op_errno),
+ gf_afr_mt_int32_t);
+ if (!local->cont.lk.dom_lock_op_errno) {
+ return -ENOMEM; /* CALLOC'd members are freed in afr_local_cleanup. */
+ }
+ flock.l_type = F_WRLCK;
+
+ AFR_ONALL(frame, afr_dom_lock_acquire_cbk, finodelk, AFR_LK_HEAL_DOM,
+ local->fd, F_SETLK, &flock, NULL);
+
+ if (!afr_has_quorum(local->cont.lk.dom_locked_nodes, frame->this, NULL))
+ goto blocking_lock;
+
+ /*If any of the bricks returned EAGAIN, we still need blocking locks.*/
+ if (AFR_COUNT(local->cont.lk.dom_locked_nodes, priv->child_count) !=
+ priv->child_count) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->cont.lk.dom_lock_op_ret[i] == -1 &&
+ local->cont.lk.dom_lock_op_errno[i] == EAGAIN)
+ goto blocking_lock;
+ }
+ }
+
+ return 0;
- frame = copy_frame (base);
- if (!frame)
- return NULL;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local) {
- AFR_STACK_DESTROY (frame);
- return NULL;
- }
+blocking_lock:
+ afr_dom_lock_release(frame);
+ AFR_ONALL(frame, afr_dom_lock_acquire_cbk, finodelk, AFR_LK_HEAL_DOM,
+ local->fd, F_SETLKW, &flock, NULL);
+ if (!afr_has_quorum(local->cont.lk.dom_locked_nodes, frame->this, NULL)) {
+ afr_dom_lock_release(frame);
+ return -afr_quorum_errno(priv);
+ }
- return frame;
+ return 0;
}
-/* Check if an entry or inode could be undergoing a transaction. */
-gf_boolean_t
-afr_is_possibly_under_txn (afr_transaction_type type, afr_local_t *local,
- xlator_t *this)
+int
+afr_dom_lock_release_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- int i = 0;
- int tmp = 0;
- afr_private_t *priv = NULL;
- GF_UNUSED char *key = NULL;
+ afr_local_t *local = frame->local;
+ afr_private_t *priv = this->private;
+ int i = (long)cookie;
- priv = this->private;
+ if (op_ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_LK_HEAL_DOM,
+ "%s: Failed to release %s on %s", local->loc.path,
+ AFR_LK_HEAL_DOM, priv->children[i]->name);
+ }
+ local->cont.lk.dom_locked_nodes[i] = 0;
- if (type == AFR_ENTRY_TRANSACTION)
- key = GLUSTERFS_PARENT_ENTRYLK;
- else if (type == AFR_DATA_TRANSACTION)
- /*FIXME: Use GLUSTERFS_INODELK_DOM_COUNT etc. once
- * pl_inodelk_xattr_fill supports separate keys for different
- * domains.*/
- key = GLUSTERFS_INODELK_COUNT;
+ syncbarrier_wake(&local->barrier);
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].xdata)
- continue;
- if (dict_get_int32 (local->replies[i].xdata, key, &tmp) == 0)
- if (tmp)
- return _gf_true;
- }
+ return 0;
+}
- return _gf_false;
+void
+afr_dom_lock_release(call_frame_t *frame)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ unsigned char *locked_on = NULL;
+ struct gf_flock flock = {
+ 0,
+ };
+
+ local = frame->local;
+ priv = frame->this->private;
+ locked_on = local->cont.lk.dom_locked_nodes;
+ if (AFR_COUNT(locked_on, priv->child_count) == 0)
+ return;
+ flock.l_type = F_UNLCK;
+
+ AFR_ONLIST(locked_on, frame, afr_dom_lock_release_cbk, finodelk,
+ AFR_LK_HEAL_DOM, local->fd, F_SETLK, &flock, NULL);
+
+ return;
}
static void
-afr_inode_ctx_destroy (afr_inode_ctx_t *ctx)
+afr_lk_heal_info_cleanup(afr_lk_heal_info_t *info)
{
- int i = 0;
-
- if (!ctx)
- return;
+ if (!info)
+ return;
+ if (info->xdata_req)
+ dict_unref(info->xdata_req);
+ if (info->fd)
+ fd_unref(info->fd);
+ GF_FREE(info->locked_nodes);
+ GF_FREE(info->child_up_event_gen);
+ GF_FREE(info->child_down_event_gen);
+ GF_FREE(info);
+}
- for (i = 0; i < AFR_NUM_CHANGE_LOGS; i++) {
- GF_FREE (ctx->pre_op_done[i]);
+static int
+afr_add_lock_to_saved_locks(call_frame_t *frame, xlator_t *this)
+{
+ afr_private_t *priv = this->private;
+ afr_local_t *local = frame->local;
+ afr_lk_heal_info_t *info = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ int ret = -ENOMEM;
+
+ info = GF_CALLOC(sizeof(*info), 1, gf_afr_mt_lk_heal_info_t);
+ if (!info) {
+ goto cleanup;
+ }
+ INIT_LIST_HEAD(&info->pos);
+ info->fd = fd_ref(local->fd);
+ info->cmd = local->cont.lk.cmd;
+ info->pid = frame->root->pid;
+ info->flock = local->cont.lk.user_flock;
+ info->xdata_req = dict_copy_with_ref(local->xdata_req, NULL);
+ if (!info->xdata_req) {
+ goto cleanup;
+ }
+ info->lk_owner = frame->root->lk_owner;
+ info->locked_nodes = GF_MALLOC(
+ sizeof(*info->locked_nodes) * priv->child_count, gf_afr_mt_char);
+ if (!info->locked_nodes) {
+ goto cleanup;
+ }
+ memcpy(info->locked_nodes, local->cont.lk.locked_nodes,
+ sizeof(*info->locked_nodes) * priv->child_count);
+ info->child_up_event_gen = GF_CALLOC(sizeof(*info->child_up_event_gen),
+ priv->child_count, gf_afr_mt_int32_t);
+ if (!info->child_up_event_gen) {
+ goto cleanup;
+ }
+ info->child_down_event_gen = GF_CALLOC(sizeof(*info->child_down_event_gen),
+ priv->child_count,
+ gf_afr_mt_int32_t);
+ if (!info->child_down_event_gen) {
+ goto cleanup;
+ }
+
+ LOCK(&local->fd->lock);
+ {
+ fd_ctx = __afr_fd_ctx_get(local->fd, this);
+ if (fd_ctx)
+ fd_ctx->lk_heal_info = info;
+ }
+ UNLOCK(&local->fd->lock);
+ if (!fd_ctx) {
+ goto cleanup;
+ }
+
+ LOCK(&priv->lock);
+ {
+ list_add_tail(&info->pos, &priv->saved_locks);
+ }
+ UNLOCK(&priv->lock);
+
+ return 0;
+cleanup:
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_LK_HEAL_DOM,
+ "%s: Failed to add lock to healq",
+ uuid_utoa(local->fd->inode->gfid));
+ if (info) {
+ afr_lk_heal_info_cleanup(info);
+ if (fd_ctx) {
+ LOCK(&local->fd->lock);
+ {
+ fd_ctx->lk_heal_info = NULL;
+ }
+ UNLOCK(&local->fd->lock);
}
+ }
+ return ret;
+}
- GF_FREE (ctx);
+static int
+afr_remove_lock_from_saved_locks(afr_local_t *local, xlator_t *this)
+{
+ afr_private_t *priv = this->private;
+ struct gf_flock flock = local->cont.lk.user_flock;
+ afr_lk_heal_info_t *info = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ int ret = -EINVAL;
+
+ fd_ctx = afr_fd_ctx_get(local->fd, this);
+ if (!fd_ctx || !fd_ctx->lk_heal_info) {
+ goto out;
+ }
+
+ info = fd_ctx->lk_heal_info;
+ if ((info->flock.l_start != flock.l_start) ||
+ (info->flock.l_whence != flock.l_whence) ||
+ (info->flock.l_len != flock.l_len)) {
+ /*TODO: Compare lkowners too.*/
+ goto out;
+ }
+
+ LOCK(&priv->lock);
+ {
+ list_del(&fd_ctx->lk_heal_info->pos);
+ }
+ UNLOCK(&priv->lock);
+
+ afr_lk_heal_info_cleanup(info);
+ fd_ctx->lk_heal_info = NULL;
+ ret = 0;
+out:
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_LK_HEAL_DOM,
+ "%s: Failed to remove lock from healq",
+ uuid_utoa(local->fd->inode->gfid));
+ return ret;
}
int
-__afr_inode_ctx_get (xlator_t *this, inode_t *inode, afr_inode_ctx_t **ctx)
+afr_lock_heal_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct gf_flock *lock,
+ dict_t *xdata)
{
- uint64_t ctx_int = 0;
- int ret = -1;
- int i = -1;
- int num_locks = -1;
- afr_inode_ctx_t *ictx = NULL;
- afr_lock_t *lock = NULL;
- afr_private_t *priv = this->private;
+ afr_local_t *local = frame->local;
+ int i = (long)cookie;
- ret = __inode_ctx_get (inode, this, &ctx_int);
- if (ret == 0) {
- *ctx = (afr_inode_ctx_t *)ctx_int;
- return 0;
- }
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
+ if (op_ret != 0) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_LK_HEAL_DOM,
+ "Failed to heal lock on child %d for %s", i,
+ uuid_utoa(local->fd->inode->gfid));
+ }
+ syncbarrier_wake(&local->barrier);
+ return 0;
+}
- ictx = GF_CALLOC (1, sizeof (afr_inode_ctx_t), gf_afr_mt_inode_ctx_t);
- if (!ictx)
- goto out;
+int
+afr_getlk_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct gf_flock *lock, dict_t *xdata)
+{
+ afr_local_t *local = frame->local;
+ int i = (long)cookie;
- for (i = 0; i < AFR_NUM_CHANGE_LOGS; i++) {
- ictx->pre_op_done[i] = GF_CALLOC (sizeof *ictx->pre_op_done[i],
- priv->child_count,
- gf_afr_mt_int32_t);
- if (!ictx->pre_op_done[i]) {
- ret = -ENOMEM;
- goto out;
- }
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
+ if (op_ret != 0) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_LK_HEAL_DOM,
+ "Failed getlk for %s", uuid_utoa(local->fd->inode->gfid));
+ } else {
+ local->cont.lk.getlk_rsp[i] = *lock;
+ }
+
+ syncbarrier_wake(&local->barrier);
+ return 0;
+}
+
+static gf_boolean_t
+afr_does_lk_owner_match(call_frame_t *frame, afr_private_t *priv,
+ afr_lk_heal_info_t *info)
+{
+ int i = 0;
+ afr_local_t *local = frame->local;
+ struct gf_flock flock = {
+ 0,
+ };
+ gf_boolean_t ret = _gf_true;
+ char *wind_on = alloca0(priv->child_count);
+ unsigned char *success_replies = alloca0(priv->child_count);
+ local->cont.lk.getlk_rsp = GF_CALLOC(sizeof(*local->cont.lk.getlk_rsp),
+ priv->child_count, gf_afr_mt_gf_lock);
+
+ flock = info->flock;
+ for (i = 0; i < priv->child_count; i++) {
+ if (info->locked_nodes[i])
+ wind_on[i] = 1;
+ }
+
+ AFR_ONLIST(wind_on, frame, afr_getlk_cbk, lk, info->fd, F_GETLK, &flock,
+ info->xdata_req);
+
+ afr_fill_success_replies(local, priv, success_replies);
+ if (AFR_COUNT(success_replies, priv->child_count) == 0) {
+ ret = _gf_false;
+ goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid || local->replies[i].op_ret != 0)
+ continue;
+ if (local->cont.lk.getlk_rsp[i].l_type == F_UNLCK)
+ continue;
+ /*TODO: Do we really need to compare lkowner if F_UNLCK is true?*/
+ if (!is_same_lkowner(&local->cont.lk.getlk_rsp[i].l_owner,
+ &info->lk_owner)) {
+ ret = _gf_false;
+ break;
+ }
+ }
+out:
+ afr_local_replies_wipe(local, priv);
+ GF_FREE(local->cont.lk.getlk_rsp);
+ local->cont.lk.getlk_rsp = NULL;
+ return ret;
+}
+
+static void
+afr_mark_fd_bad(fd_t *fd, xlator_t *this)
+{
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ if (!fd)
+ return;
+ LOCK(&fd->lock);
+ {
+ fd_ctx = __afr_fd_ctx_get(fd, this);
+ if (fd_ctx) {
+ fd_ctx->is_fd_bad = _gf_true;
+ fd_ctx->lk_heal_info = NULL;
}
+ }
+ UNLOCK(&fd->lock);
+}
+
+static void
+afr_add_lock_to_lkhealq(afr_private_t *priv, afr_lk_heal_info_t *info)
+{
+ LOCK(&priv->lock);
+ {
+ list_del(&info->pos);
+ list_add_tail(&info->pos, &priv->lk_healq);
+ }
+ UNLOCK(&priv->lock);
+}
+
+static void
+afr_lock_heal_do(call_frame_t *frame, afr_private_t *priv,
+ afr_lk_heal_info_t *info)
+{
+ int i = 0;
+ int op_errno = 0;
+ int32_t *current_event_gen = NULL;
+ afr_local_t *local = frame->local;
+ xlator_t *this = frame->this;
+ char *wind_on = alloca0(priv->child_count);
+ gf_boolean_t retry = _gf_true;
+
+ frame->root->pid = info->pid;
+ lk_owner_copy(&frame->root->lk_owner, &info->lk_owner);
+
+ op_errno = -afr_dom_lock_acquire(frame);
+ if ((op_errno != 0)) {
+ goto release;
+ }
+
+ if (!afr_does_lk_owner_match(frame, priv, info)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_LK_HEAL_DOM,
+ "Ignoring lock heal for %s since lk-onwers mismatch. "
+ "Lock possibly pre-empted by another client.",
+ uuid_utoa(info->fd->inode->gfid));
+ goto release;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (info->locked_nodes[i])
+ continue;
+ wind_on[i] = 1;
+ }
+
+ current_event_gen = alloca(priv->child_count);
+ memcpy(current_event_gen, info->child_up_event_gen,
+ priv->child_count * sizeof *current_event_gen);
+ AFR_ONLIST(wind_on, frame, afr_lock_heal_cbk, lk, info->fd, info->cmd,
+ &info->flock, info->xdata_req);
+
+ LOCK(&priv->lock);
+ {
+ for (i = 0; i < priv->child_count; i++) {
+ if (!wind_on[i])
+ continue;
+ if ((!local->replies[i].valid) || (local->replies[i].op_ret != 0)) {
+ continue;
+ }
- num_locks = sizeof(ictx->lock)/sizeof(afr_lock_t);
- for (i = 0; i < num_locks; i++) {
- lock = &ictx->lock[i];
- INIT_LIST_HEAD (&lock->post_op);
- INIT_LIST_HEAD (&lock->frozen);
- INIT_LIST_HEAD (&lock->waiting);
- INIT_LIST_HEAD (&lock->owners);
+ if ((current_event_gen[i] == info->child_up_event_gen[i]) &&
+ (current_event_gen[i] > info->child_down_event_gen[i])) {
+ info->locked_nodes[i] = 1;
+ retry = _gf_false;
+ list_del_init(&info->pos);
+ list_add_tail(&info->pos, &priv->saved_locks);
+ } else {
+ /*We received subsequent child up/down events while heal was in
+ * progress; don't mark child as healed. Attempt again on the
+ * new child up*/
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_LK_HEAL_DOM,
+ "Event gen mismatch: skipped healing lock on child %d "
+ "for %s.",
+ i, uuid_utoa(info->fd->inode->gfid));
+ }
}
+ }
+ UNLOCK(&priv->lock);
- ctx_int = (uint64_t)ictx;
- ret = __inode_ctx_set (inode, this, &ctx_int);
- if (ret) {
- goto out;
+release:
+ afr_dom_lock_release(frame);
+ if (retry)
+ afr_add_lock_to_lkhealq(priv, info);
+ return;
+}
+
+static int
+afr_lock_heal_done(int ret, call_frame_t *frame, void *opaque)
+{
+ STACK_DESTROY(frame->root);
+ return 0;
+}
+
+static int
+afr_lock_heal(void *opaque)
+{
+ call_frame_t *frame = (call_frame_t *)opaque;
+ call_frame_t *iter_frame = NULL;
+ xlator_t *this = frame->this;
+ afr_private_t *priv = this->private;
+ afr_lk_heal_info_t *info = NULL;
+ afr_lk_heal_info_t *tmp = NULL;
+ struct list_head healq = {
+ 0,
+ };
+ int ret = 0;
+
+ iter_frame = afr_copy_frame(frame);
+ if (!iter_frame) {
+ return ENOMEM;
+ }
+
+ INIT_LIST_HEAD(&healq);
+ LOCK(&priv->lock);
+ {
+ list_splice_init(&priv->lk_healq, &healq);
+ }
+ UNLOCK(&priv->lock);
+
+ list_for_each_entry_safe(info, tmp, &healq, pos)
+ {
+ GF_ASSERT((AFR_COUNT(info->locked_nodes, priv->child_count) <
+ priv->child_count));
+ ((afr_local_t *)(iter_frame->local))->fd = fd_ref(info->fd);
+ afr_lock_heal_do(iter_frame, priv, info);
+ AFR_STACK_RESET(iter_frame);
+ if (iter_frame->local == NULL) {
+ ret = ENOTCONN;
+ gf_msg(frame->this->name, GF_LOG_ERROR, ENOTCONN,
+ AFR_MSG_LK_HEAL_DOM,
+ "Aborting processing of lk_healq."
+ "Healing will be reattempted on next child up for locks "
+ "that are still in quorum.");
+ LOCK(&priv->lock);
+ {
+ list_add_tail(&healq, &priv->lk_healq);
+ }
+ UNLOCK(&priv->lock);
+ break;
}
+ }
- ictx->spb_choice = -1;
- ictx->read_subvol = 0;
- ictx->write_subvol = 0;
- ictx->lock_count = 0;
- ret = 0;
- *ctx = ictx;
+ AFR_STACK_DESTROY(iter_frame);
+ return ret;
+}
+
+static int
+__afr_lock_heal_synctask(xlator_t *this, afr_private_t *priv, int child)
+{
+ int ret = 0;
+ call_frame_t *frame = NULL;
+ afr_lk_heal_info_t *info = NULL;
+ afr_lk_heal_info_t *tmp = NULL;
+
+ if (priv->shd.iamshd)
+ return 0;
+
+ list_for_each_entry_safe(info, tmp, &priv->saved_locks, pos)
+ {
+ info->child_up_event_gen[child] = priv->event_generation;
+ list_del_init(&info->pos);
+ list_add_tail(&info->pos, &priv->lk_healq);
+ }
+
+ frame = create_frame(this, this->ctx->pool);
+ if (!frame)
+ return -1;
+
+ ret = synctask_new(this->ctx->env, afr_lock_heal, afr_lock_heal_done, frame,
+ frame);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_LK_HEAL_DOM,
+ "Failed to launch lock heal synctask");
+
+ return ret;
+}
+
+static int
+__afr_mark_pending_lk_heal(xlator_t *this, afr_private_t *priv, int child)
+{
+ afr_lk_heal_info_t *info = NULL;
+ afr_lk_heal_info_t *tmp = NULL;
+
+ if (priv->shd.iamshd)
+ return 0;
+ list_for_each_entry_safe(info, tmp, &priv->saved_locks, pos)
+ {
+ info->child_down_event_gen[child] = priv->event_generation;
+ if (info->locked_nodes[child] == 1)
+ info->locked_nodes[child] = 0;
+ if (!afr_has_quorum(info->locked_nodes, this, NULL)) {
+ /* Since the lock was lost on quorum no. of nodes, we should
+ * not attempt to heal it anymore. Some other client could have
+ * acquired the lock, modified data and released it and this
+ * client wouldn't know about it if we heal it.*/
+ afr_mark_fd_bad(info->fd, this);
+ list_del(&info->pos);
+ afr_lk_heal_info_cleanup(info);
+ /* We're not winding an unlock on the node where the lock is still
+ * present because when fencing logic switches over to the new
+ * client (since we marked the fd bad), it should preempt any
+ * existing lock. */
+ }
+ }
+ return 0;
+}
+
+gf_boolean_t
+afr_is_consistent_io_possible(afr_local_t *local, afr_private_t *priv,
+ int32_t *op_errno)
+{
+ if (priv->consistent_io && local->call_count != priv->child_count) {
+ gf_msg(THIS->name, GF_LOG_INFO, 0, AFR_MSG_SUBVOLS_DOWN,
+ "All subvolumes are not up");
+ if (op_errno)
+ *op_errno = ENOTCONN;
+ return _gf_false;
+ }
+ return _gf_true;
+}
+
+gf_boolean_t
+afr_is_lock_mode_mandatory(dict_t *xdata)
+{
+ int ret = 0;
+ uint32_t lk_mode = GF_LK_ADVISORY;
+
+ ret = dict_get_uint32(xdata, GF_LOCK_MODE, &lk_mode);
+ if (!ret && lk_mode == GF_LK_MANDATORY)
+ return _gf_true;
+
+ return _gf_false;
+}
+
+call_frame_t *
+afr_copy_frame(call_frame_t *base)
+{
+ afr_local_t *local = NULL;
+ call_frame_t *frame = NULL;
+ int op_errno = 0;
+
+ frame = copy_frame(base);
+ if (!frame)
+ return NULL;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local) {
+ AFR_STACK_DESTROY(frame);
+ return NULL;
+ }
+
+ return frame;
+}
+
+/* Check if an entry or inode could be undergoing a transaction. */
+gf_boolean_t
+afr_is_possibly_under_txn(afr_transaction_type type, afr_local_t *local,
+ xlator_t *this)
+{
+ int i = 0;
+ int tmp = 0;
+ afr_private_t *priv = NULL;
+ GF_UNUSED char *key = NULL;
+ int keylen = 0;
+
+ priv = this->private;
+
+ if (type == AFR_ENTRY_TRANSACTION) {
+ key = GLUSTERFS_PARENT_ENTRYLK;
+ keylen = SLEN(GLUSTERFS_PARENT_ENTRYLK);
+ } else if (type == AFR_DATA_TRANSACTION) {
+ /*FIXME: Use GLUSTERFS_INODELK_DOM_COUNT etc. once
+ * pl_inodelk_xattr_fill supports separate keys for different
+ * domains.*/
+ key = GLUSTERFS_INODELK_COUNT;
+ keylen = SLEN(GLUSTERFS_INODELK_COUNT);
+ }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].xdata)
+ continue;
+ if (dict_get_int32n(local->replies[i].xdata, key, keylen, &tmp) == 0)
+ if (tmp)
+ return _gf_true;
+ }
+
+ return _gf_false;
+}
+
+static void
+afr_inode_ctx_destroy(afr_inode_ctx_t *ctx)
+{
+ int i = 0;
+
+ if (!ctx)
+ return;
+
+ for (i = 0; i < AFR_NUM_CHANGE_LOGS; i++) {
+ GF_FREE(ctx->pre_op_done[i]);
+ }
+
+ GF_FREE(ctx);
+}
+
+int
+__afr_inode_ctx_get(xlator_t *this, inode_t *inode, afr_inode_ctx_t **ctx)
+{
+ uint64_t ctx_int = 0;
+ int ret = -1;
+ int i = -1;
+ int num_locks = -1;
+ afr_inode_ctx_t *ictx = NULL;
+ afr_lock_t *lock = NULL;
+ afr_private_t *priv = this->private;
+
+ ret = __inode_ctx_get(inode, this, &ctx_int);
+ if (ret == 0) {
+ *ctx = (afr_inode_ctx_t *)(uintptr_t)ctx_int;
+ return 0;
+ }
+
+ ictx = GF_CALLOC(1, sizeof(afr_inode_ctx_t), gf_afr_mt_inode_ctx_t);
+ if (!ictx)
+ goto out;
+
+ for (i = 0; i < AFR_NUM_CHANGE_LOGS; i++) {
+ ictx->pre_op_done[i] = GF_CALLOC(sizeof *ictx->pre_op_done[i],
+ priv->child_count, gf_afr_mt_int32_t);
+ if (!ictx->pre_op_done[i]) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ }
+
+ num_locks = sizeof(ictx->lock) / sizeof(afr_lock_t);
+ for (i = 0; i < num_locks; i++) {
+ lock = &ictx->lock[i];
+ INIT_LIST_HEAD(&lock->post_op);
+ INIT_LIST_HEAD(&lock->frozen);
+ INIT_LIST_HEAD(&lock->waiting);
+ INIT_LIST_HEAD(&lock->owners);
+ }
+
+ ctx_int = (uint64_t)(uintptr_t)ictx;
+ ret = __inode_ctx_set(inode, this, &ctx_int);
+ if (ret) {
+ goto out;
+ }
+
+ ictx->spb_choice = -1;
+ ictx->read_subvol = 0;
+ ictx->write_subvol = 0;
+ ictx->lock_count = 0;
+ ret = 0;
+ *ctx = ictx;
out:
- if (ret) {
- afr_inode_ctx_destroy (ictx);
- }
- return ret;
+ if (ret) {
+ afr_inode_ctx_destroy(ictx);
+ }
+ return ret;
}
/*
@@ -226,1715 +863,1681 @@ out:
*/
int
-__afr_set_in_flight_sb_status (xlator_t *this, afr_local_t *local,
- inode_t *inode)
-{
- int i = 0;
- int txn_type = 0;
- int count = 0;
- int index = -1;
- uint16_t datamap_old = 0;
- uint16_t metadatamap_old = 0;
- uint16_t datamap = 0;
- uint16_t metadatamap = 0;
- uint16_t tmp_map = 0;
- uint16_t mask = 0;
- uint32_t event = 0;
- uint64_t val = 0;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- txn_type = local->transaction.type;
-
- if (txn_type == AFR_DATA_TRANSACTION)
- val = local->inode_ctx->write_subvol;
- else
- val = local->inode_ctx->read_subvol;
-
- metadatamap_old = metadatamap = (val & 0x000000000000ffff);
- datamap_old = datamap = (val & 0x00000000ffff0000) >> 16;
- event = (val & 0xffffffff00000000) >> 32;
-
- if (txn_type == AFR_DATA_TRANSACTION)
- tmp_map = datamap;
- else if (txn_type == AFR_METADATA_TRANSACTION)
- tmp_map = metadatamap;
-
- count = gf_bits_count (tmp_map);
-
- if (count == 1)
- index = gf_bits_index (tmp_map);
-
- for (i = 0; i < priv->child_count; i++) {
- mask = 0;
- if (!local->transaction.failed_subvols[i])
- continue;
-
- mask = 1 << i;
- if (txn_type == AFR_METADATA_TRANSACTION)
- metadatamap &= ~mask;
- else if (txn_type == AFR_DATA_TRANSACTION)
- datamap &= ~mask;
- }
-
- switch (txn_type) {
+__afr_set_in_flight_sb_status(xlator_t *this, afr_local_t *local,
+ inode_t *inode)
+{
+ int i = 0;
+ int txn_type = 0;
+ int count = 0;
+ int index = -1;
+ uint16_t datamap_old = 0;
+ uint16_t metadatamap_old = 0;
+ uint16_t datamap = 0;
+ uint16_t metadatamap = 0;
+ uint16_t tmp_map = 0;
+ uint16_t mask = 0;
+ uint32_t event = 0;
+ uint64_t val = 0;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ txn_type = local->transaction.type;
+
+ if (txn_type == AFR_DATA_TRANSACTION)
+ val = local->inode_ctx->write_subvol;
+ else
+ val = local->inode_ctx->read_subvol;
+
+ metadatamap_old = metadatamap = (val & 0x000000000000ffff);
+ datamap_old = datamap = (val & 0x00000000ffff0000) >> 16;
+ event = (val & 0xffffffff00000000) >> 32;
+
+ if (txn_type == AFR_DATA_TRANSACTION)
+ tmp_map = datamap;
+ else if (txn_type == AFR_METADATA_TRANSACTION)
+ tmp_map = metadatamap;
+
+ count = gf_bits_count(tmp_map);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->transaction.failed_subvols[i])
+ continue;
+
+ mask = 1 << i;
+ if (txn_type == AFR_METADATA_TRANSACTION)
+ metadatamap &= ~mask;
+ else if (txn_type == AFR_DATA_TRANSACTION)
+ datamap &= ~mask;
+ }
+
+ switch (txn_type) {
case AFR_METADATA_TRANSACTION:
- if ((metadatamap_old != 0) && (metadatamap == 0) &&
- (count == 1)) {
- local->transaction.in_flight_sb_errno =
- local->replies[index].op_errno;
- local->transaction.in_flight_sb = _gf_true;
- metadatamap |= (1 << index);
- }
- if (metadatamap_old != metadatamap) {
- event = 0;
- }
- break;
+ if ((metadatamap_old != 0) && (metadatamap == 0) && (count == 1)) {
+ index = gf_bits_index(tmp_map);
+ local->transaction.in_flight_sb_errno = local->replies[index]
+ .op_errno;
+ local->transaction.in_flight_sb = _gf_true;
+ metadatamap |= (1 << index);
+ }
+ if (metadatamap_old != metadatamap) {
+ __afr_inode_need_refresh_set(inode, this);
+ }
+ break;
case AFR_DATA_TRANSACTION:
- if ((datamap_old != 0) && (datamap == 0) && (count == 1)) {
- local->transaction.in_flight_sb_errno =
- local->replies[index].op_errno;
- local->transaction.in_flight_sb = _gf_true;
- datamap |= (1 << index);
- }
- if (datamap_old != datamap)
- event = 0;
- break;
+ if ((datamap_old != 0) && (datamap == 0) && (count == 1)) {
+ index = gf_bits_index(tmp_map);
+ local->transaction.in_flight_sb_errno = local->replies[index]
+ .op_errno;
+ local->transaction.in_flight_sb = _gf_true;
+ datamap |= (1 << index);
+ }
+ if (datamap_old != datamap)
+ __afr_inode_need_refresh_set(inode, this);
+ break;
default:
- break;
- }
+ break;
+ }
- val = ((uint64_t) metadatamap) |
- (((uint64_t) datamap) << 16) |
- (((uint64_t) event) << 32);
+ val = ((uint64_t)metadatamap) | (((uint64_t)datamap) << 16) |
+ (((uint64_t)event) << 32);
- if (txn_type == AFR_DATA_TRANSACTION)
- local->inode_ctx->write_subvol = val;
- local->inode_ctx->read_subvol = val;
+ if (txn_type == AFR_DATA_TRANSACTION)
+ local->inode_ctx->write_subvol = val;
+ local->inode_ctx->read_subvol = val;
- return 0;
+ return 0;
}
gf_boolean_t
-afr_is_symmetric_error (call_frame_t *frame, xlator_t *this)
+afr_is_symmetric_error(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int op_errno = 0;
- int i_errno = 0;
- gf_boolean_t matching_errors = _gf_true;
- int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int op_errno = 0;
+ int i_errno = 0;
+ gf_boolean_t matching_errors = _gf_true;
+ int i = 0;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
- if (local->replies[i].op_ret != -1) {
- /* Operation succeeded on at least one subvol,
- so it is not a failed-everywhere situation.
- */
- matching_errors = _gf_false;
- break;
- }
- i_errno = local->replies[i].op_errno;
-
- if (i_errno == ENOTCONN) {
- /* ENOTCONN is not a symmetric error. We do not
- know if the operation was performed on the
- backend or not.
- */
- matching_errors = _gf_false;
- break;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+ if (local->replies[i].op_ret != -1) {
+ /* Operation succeeded on at least one subvol,
+ so it is not a failed-everywhere situation.
+ */
+ matching_errors = _gf_false;
+ break;
+ }
+ i_errno = local->replies[i].op_errno;
- if (!op_errno) {
- op_errno = i_errno;
- } else if (op_errno != i_errno) {
- /* Mismatching op_errno's */
- matching_errors = _gf_false;
- break;
- }
+ if (i_errno == ENOTCONN) {
+ /* ENOTCONN is not a symmetric error. We do not
+ know if the operation was performed on the
+ backend or not.
+ */
+ matching_errors = _gf_false;
+ break;
+ }
+
+ if (!op_errno) {
+ op_errno = i_errno;
+ } else if (op_errno != i_errno) {
+ /* Mismatching op_errno's */
+ matching_errors = _gf_false;
+ break;
}
+ }
- return matching_errors;
+ return matching_errors;
}
int
-afr_set_in_flight_sb_status (xlator_t *this, call_frame_t *frame,
- inode_t *inode)
+afr_set_in_flight_sb_status(xlator_t *this, call_frame_t *frame, inode_t *inode)
{
- int ret = -1;
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
+ int ret = -1;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- /* If this transaction saw no failures, then exit. */
- if (AFR_COUNT (local->transaction.failed_subvols,
- priv->child_count) == 0)
- return 0;
+ /* If this transaction saw no failures, then exit. */
+ if (AFR_COUNT(local->transaction.failed_subvols, priv->child_count) == 0)
+ return 0;
- if (afr_is_symmetric_error (frame, this))
- return 0;
+ if (afr_is_symmetric_error(frame, this))
+ return 0;
- LOCK (&inode->lock);
- {
- ret = __afr_set_in_flight_sb_status (this, local, inode);
- }
- UNLOCK (&inode->lock);
+ LOCK(&inode->lock);
+ {
+ ret = __afr_set_in_flight_sb_status(this, local, inode);
+ }
+ UNLOCK(&inode->lock);
- return ret;
+ return ret;
}
int
-__afr_inode_read_subvol_get_small (inode_t *inode, xlator_t *this,
- unsigned char *data, unsigned char *metadata,
- int *event_p)
-{
- afr_private_t *priv = NULL;
- int ret = -1;
- uint16_t datamap = 0;
- uint16_t metadatamap = 0;
- uint32_t event = 0;
- uint64_t val = 0;
- int i = 0;
- afr_inode_ctx_t *ctx = NULL;
-
- priv = this->private;
-
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret < 0)
- return ret;
+__afr_inode_read_subvol_get_small(inode_t *inode, xlator_t *this,
+ unsigned char *data, unsigned char *metadata,
+ int *event_p)
+{
+ afr_private_t *priv = NULL;
+ int ret = -1;
+ uint16_t datamap = 0;
+ uint16_t metadatamap = 0;
+ uint32_t event = 0;
+ uint64_t val = 0;
+ int i = 0;
+ afr_inode_ctx_t *ctx = NULL;
+
+ priv = this->private;
+
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
+ if (ret < 0)
+ return ret;
- val = ctx->read_subvol;
+ val = ctx->read_subvol;
- metadatamap = (val & 0x000000000000ffff);
- datamap = (val & 0x00000000ffff0000) >> 16;
- event = (val & 0xffffffff00000000) >> 32;
+ metadatamap = (val & 0x000000000000ffff);
+ datamap = (val & 0x00000000ffff0000) >> 16;
+ event = (val & 0xffffffff00000000) >> 32;
- for (i = 0; i < priv->child_count; i++) {
- if (metadata)
- metadata[i] = (metadatamap >> i) & 1;
- if (data)
- data[i] = (datamap >> i) & 1;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (metadata)
+ metadata[i] = (metadatamap >> i) & 1;
+ if (data)
+ data[i] = (datamap >> i) & 1;
+ }
- if (event_p)
- *event_p = event;
- return ret;
+ if (event_p)
+ *event_p = event;
+ return ret;
}
-
int
-__afr_inode_read_subvol_set_small (inode_t *inode, xlator_t *this,
- unsigned char *data, unsigned char *metadata,
- int event)
+__afr_inode_read_subvol_set_small(inode_t *inode, xlator_t *this,
+ unsigned char *data, unsigned char *metadata,
+ int event)
{
- afr_private_t *priv = NULL;
- uint16_t datamap = 0;
- uint16_t metadatamap = 0;
- uint64_t val = 0;
- int i = 0;
- int ret = -1;
- afr_inode_ctx_t *ctx = NULL;
+ afr_private_t *priv = NULL;
+ uint16_t datamap = 0;
+ uint16_t metadatamap = 0;
+ uint64_t val = 0;
+ int i = 0;
+ int ret = -1;
+ afr_inode_ctx_t *ctx = NULL;
- priv = this->private;
+ priv = this->private;
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret)
- goto out;
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
+ if (ret)
+ goto out;
- for (i = 0; i < priv->child_count; i++) {
- if (data[i])
- datamap |= (1 << i);
- if (metadata[i])
- metadatamap |= (1 << i);
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (data[i])
+ datamap |= (1 << i);
+ if (metadata[i])
+ metadatamap |= (1 << i);
+ }
- val = ((uint64_t) metadatamap) |
- (((uint64_t) datamap) << 16) |
- (((uint64_t) event) << 32);
+ val = ((uint64_t)metadatamap) | (((uint64_t)datamap) << 16) |
+ (((uint64_t)event) << 32);
- ctx->read_subvol = val;
+ ctx->read_subvol = val;
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
int
-__afr_inode_event_gen_reset_small (inode_t *inode, xlator_t *this)
+__afr_inode_read_subvol_get(inode_t *inode, xlator_t *this, unsigned char *data,
+ unsigned char *metadata, int *event_p)
{
- int ret = -1;
- uint16_t datamap = 0;
- uint16_t metadatamap = 0;
- uint32_t event = 0;
- uint64_t val = 0;
- afr_inode_ctx_t *ctx = NULL;
-
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret)
- return ret;
+ afr_private_t *priv = NULL;
+ int ret = -1;
- val = ctx->read_subvol;
+ priv = this->private;
- metadatamap = (val & 0x000000000000ffff) >> 0;
- datamap = (val & 0x00000000ffff0000) >> 16;
- event = 0;
+ if (priv->child_count <= 16)
+ ret = __afr_inode_read_subvol_get_small(inode, this, data, metadata,
+ event_p);
+ else
+ /* TBD: allocate structure with array and read from it */
+ ret = -1;
- val = ((uint64_t) metadatamap) |
- (((uint64_t) datamap) << 16) |
- (((uint64_t) event) << 32);
-
- ctx->read_subvol = val;
-
- return ret;
+ return ret;
}
-
int
-__afr_inode_read_subvol_get (inode_t *inode, xlator_t *this,
- unsigned char *data, unsigned char *metadata,
- int *event_p)
+__afr_inode_split_brain_choice_get(inode_t *inode, xlator_t *this,
+ int *spb_choice)
{
- afr_private_t *priv = NULL;
- int ret = -1;
-
- priv = this->private;
+ afr_inode_ctx_t *ctx = NULL;
+ int ret = -1;
- if (priv->child_count <= 16)
- ret = __afr_inode_read_subvol_get_small (inode, this, data,
- metadata, event_p);
- else
- /* TBD: allocate structure with array and read from it */
- ret = -1;
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
+ if (ret < 0)
+ return ret;
- return ret;
+ *spb_choice = ctx->spb_choice;
+ return 0;
}
int
-__afr_inode_split_brain_choice_get (inode_t *inode, xlator_t *this,
- int *spb_choice)
+__afr_inode_read_subvol_set(inode_t *inode, xlator_t *this, unsigned char *data,
+ unsigned char *metadata, int event)
{
- afr_inode_ctx_t *ctx = NULL;
- int ret = -1;
+ afr_private_t *priv = NULL;
+ int ret = -1;
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret < 0)
- return ret;
+ priv = this->private;
- *spb_choice = ctx->spb_choice;
- return 0;
+ if (priv->child_count <= 16)
+ ret = __afr_inode_read_subvol_set_small(inode, this, data, metadata,
+ event);
+ else
+ ret = -1;
+
+ return ret;
}
int
-__afr_inode_read_subvol_set (inode_t *inode, xlator_t *this, unsigned char *data,
- unsigned char *metadata, int event)
+__afr_inode_split_brain_choice_set(inode_t *inode, xlator_t *this,
+ int spb_choice)
{
- afr_private_t *priv = NULL;
- int ret = -1;
+ afr_inode_ctx_t *ctx = NULL;
+ int ret = -1;
- priv = this->private;
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
+ if (ret)
+ goto out;
- if (priv->child_count <= 16)
- ret = __afr_inode_read_subvol_set_small (inode, this, data,
- metadata, event);
- else
- ret = -1;
+ ctx->spb_choice = spb_choice;
- return ret;
+ ret = 0;
+out:
+ return ret;
}
int
-__afr_inode_split_brain_choice_set (inode_t *inode, xlator_t *this,
- int spb_choice)
+afr_inode_read_subvol_get(inode_t *inode, xlator_t *this, unsigned char *data,
+ unsigned char *metadata, int *event_p)
{
- afr_inode_ctx_t *ctx = NULL;
- int ret = -1;
+ int ret = -1;
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret)
- goto out;
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- ctx->spb_choice = spb_choice;
-
- ret = 0;
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_read_subvol_get(inode, this, data, metadata, event_p);
+ }
+ UNLOCK(&inode->lock);
out:
- return ret;
+ return ret;
}
int
-__afr_inode_event_gen_reset (inode_t *inode, xlator_t *this)
+afr_inode_get_readable(call_frame_t *frame, inode_t *inode, xlator_t *this,
+ unsigned char *readable, int *event_p, int type)
{
- afr_private_t *priv = NULL;
- int ret = -1;
-
- priv = this->private;
-
- if (priv->child_count <= 16)
- ret = __afr_inode_event_gen_reset_small (inode, this);
- else
- ret = -1;
+ afr_private_t *priv = this->private;
+ afr_local_t *local = frame->local;
+ unsigned char *data = alloca0(priv->child_count);
+ unsigned char *metadata = alloca0(priv->child_count);
+ int data_count = 0;
+ int metadata_count = 0;
+ int event_generation = 0;
+ int ret = 0;
+
+ ret = afr_inode_read_subvol_get(inode, this, data, metadata,
+ &event_generation);
+ if (ret == -1)
+ return -EIO;
+
+ data_count = AFR_COUNT(data, priv->child_count);
+ metadata_count = AFR_COUNT(metadata, priv->child_count);
+
+ if (inode->ia_type == IA_IFDIR) {
+ /* For directories, allow even if it is in data split-brain. */
+ if (type == AFR_METADATA_TRANSACTION || local->op == GF_FOP_STAT ||
+ local->op == GF_FOP_FSTAT) {
+ if (!metadata_count)
+ return -EIO;
+ }
+ } else {
+ /* For files, abort in case of data/metadata split-brain. */
+ if (!data_count || !metadata_count) {
+ return -EIO;
+ }
+ }
- return ret;
+ if (type == AFR_METADATA_TRANSACTION && readable)
+ memcpy(readable, metadata, priv->child_count * sizeof *metadata);
+ if (type == AFR_DATA_TRANSACTION && readable) {
+ if (!data_count)
+ memcpy(readable, local->child_up,
+ priv->child_count * sizeof *readable);
+ else
+ memcpy(readable, data, priv->child_count * sizeof *data);
+ }
+ if (event_p)
+ *event_p = event_generation;
+ return 0;
}
-
-int
-afr_inode_read_subvol_get (inode_t *inode, xlator_t *this, unsigned char *data,
- unsigned char *metadata, int *event_p)
+static int
+afr_inode_split_brain_choice_get(inode_t *inode, xlator_t *this,
+ int *spb_choice)
{
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ int ret = -1;
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- LOCK(&inode->lock);
- {
- ret = __afr_inode_read_subvol_get (inode, this, data,
- metadata, event_p);
- }
- UNLOCK(&inode->lock);
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_split_brain_choice_get(inode, this, spb_choice);
+ }
+ UNLOCK(&inode->lock);
out:
- return ret;
+ return ret;
}
+/*
+ * frame is used to get the favourite policy. Since
+ * afr_inode_split_brain_choice_get was called with afr_open, it is possible to
+ * have a frame with out local->replies. So in that case, frame is passed as
+ * null, hence this function will handle the frame NULL case.
+ */
int
-afr_inode_get_readable (call_frame_t *frame, inode_t *inode, xlator_t *this,
- unsigned char *readable, int *event_p, int type)
+afr_split_brain_read_subvol_get(inode_t *inode, xlator_t *this,
+ call_frame_t *frame, int *spb_subvol)
{
+ int ret = -1;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- afr_private_t *priv = this->private;
- afr_local_t *local = frame->local;
- unsigned char *data = alloca0 (priv->child_count);
- unsigned char *metadata = alloca0 (priv->child_count);
- int data_count = 0;
- int metadata_count = 0;
- int event_generation = 0;
- int ret = 0;
+ GF_VALIDATE_OR_GOTO("afr", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, this->private, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
+ GF_VALIDATE_OR_GOTO(this->name, spb_subvol, out);
- ret = afr_inode_read_subvol_get (inode, this, data, metadata,
- &event_generation);
- if (ret == -1)
- return -EIO;
-
- data_count = AFR_COUNT (data, priv->child_count);
- metadata_count = AFR_COUNT (metadata, priv->child_count);
+ priv = this->private;
- if (inode->ia_type == IA_IFDIR) {
- /* For directories, allow even if it is in data split-brain. */
- if (type == AFR_METADATA_TRANSACTION ||
- local->op == GF_FOP_STAT || local->op == GF_FOP_FSTAT) {
- if (!metadata_count)
- return -EIO;
- }
- } else {
- /* For files, abort in case of data/metadata split-brain. */
- if (!data_count || !metadata_count) {
- return -EIO;
- }
- }
-
- if (type == AFR_METADATA_TRANSACTION && readable)
- memcpy (readable, metadata, priv->child_count * sizeof *metadata);
- if (type == AFR_DATA_TRANSACTION && readable) {
- if (!data_count)
- memcpy (readable, local->child_up,
- priv->child_count * sizeof *readable);
- else
- memcpy (readable, data, priv->child_count * sizeof *data);
+ ret = afr_inode_split_brain_choice_get(inode, this, spb_subvol);
+ if (*spb_subvol < 0 && priv->fav_child_policy && frame && frame->local) {
+ local = frame->local;
+ *spb_subvol = afr_sh_get_fav_by_policy(this, local->replies, inode,
+ NULL);
+ if (*spb_subvol >= 0) {
+ ret = 0;
}
- if (event_p)
- *event_p = event_generation;
- return 0;
-}
-
-int
-afr_inode_split_brain_choice_get (inode_t *inode, xlator_t *this,
- int *spb_choice)
-{
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ }
- LOCK(&inode->lock);
- {
- ret = __afr_inode_split_brain_choice_get (inode, this,
- spb_choice);
- }
- UNLOCK(&inode->lock);
out:
- return ret;
+ return ret;
}
-
-
int
-afr_inode_read_subvol_set (inode_t *inode, xlator_t *this, unsigned char *data,
- unsigned char *metadata, int event)
+afr_inode_read_subvol_set(inode_t *inode, xlator_t *this, unsigned char *data,
+ unsigned char *metadata, int event)
{
- int ret = -1;
+ int ret = -1;
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- LOCK(&inode->lock);
- {
- ret = __afr_inode_read_subvol_set (inode, this, data, metadata,
- event);
- }
- UNLOCK(&inode->lock);
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_read_subvol_set(inode, this, data, metadata, event);
+ }
+ UNLOCK(&inode->lock);
out:
- return ret;
+ return ret;
}
-
int
-afr_inode_split_brain_choice_set (inode_t *inode, xlator_t *this,
- int spb_choice)
+afr_inode_split_brain_choice_set(inode_t *inode, xlator_t *this, int spb_choice)
{
- int ret = -1;
+ int ret = -1;
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- LOCK(&inode->lock);
- {
- ret = __afr_inode_split_brain_choice_set (inode, this,
- spb_choice);
- }
- UNLOCK(&inode->lock);
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_split_brain_choice_set(inode, this, spb_choice);
+ }
+ UNLOCK(&inode->lock);
out:
- return ret;
+ return ret;
}
-
/* The caller of this should perform afr_inode_refresh, if this function
* returns _gf_true
*/
gf_boolean_t
-afr_is_inode_refresh_reqd (inode_t *inode, xlator_t *this,
- int event_gen1, int event_gen2)
+afr_is_inode_refresh_reqd(inode_t *inode, xlator_t *this, int event_gen1,
+ int event_gen2)
{
- gf_boolean_t need_refresh = _gf_false;
- afr_inode_ctx_t *ctx = NULL;
- int ret = -1;
+ gf_boolean_t need_refresh = _gf_false;
+ afr_inode_ctx_t *ctx = NULL;
+ int ret = -1;
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- LOCK(&inode->lock);
- {
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret)
- goto unlock;
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
+ if (ret)
+ goto unlock;
- need_refresh = ctx->need_refresh;
- /* Hoping that the caller will do inode_refresh followed by
- * this, hence setting the need_refresh to false */
- ctx->need_refresh = _gf_false;
- }
+ need_refresh = ctx->need_refresh;
+ /* Hoping that the caller will do inode_refresh followed by
+ * this, hence setting the need_refresh to false */
+ ctx->need_refresh = _gf_false;
+ }
unlock:
- UNLOCK(&inode->lock);
+ UNLOCK(&inode->lock);
- if (event_gen1 != event_gen2)
- need_refresh = _gf_true;
+ if (event_gen1 != event_gen2)
+ need_refresh = _gf_true;
out:
- return need_refresh;
+ return need_refresh;
}
-
-static int
-afr_inode_need_refresh_set (inode_t *inode, xlator_t *this)
+int
+__afr_inode_need_refresh_set(inode_t *inode, xlator_t *this)
{
- int ret = -1;
- afr_inode_ctx_t *ctx = NULL;
+ int ret = -1;
+ afr_inode_ctx_t *ctx = NULL;
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
-
- LOCK(&inode->lock);
- {
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret)
- goto unlock;
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
+ if (ret == 0) {
+ ctx->need_refresh = _gf_true;
+ }
- ctx->need_refresh = _gf_true;
- }
-unlock:
- UNLOCK(&inode->lock);
-out:
- return ret;
+ return ret;
}
int
-afr_inode_event_gen_reset (inode_t *inode, xlator_t *this)
+afr_inode_need_refresh_set(inode_t *inode, xlator_t *this)
{
- int ret = -1;
+ int ret = -1;
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- LOCK(&inode->lock);
- {
- ret = __afr_inode_event_gen_reset (inode, this);
- }
- UNLOCK(&inode->lock);
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_need_refresh_set(inode, this);
+ }
+ UNLOCK(&inode->lock);
out:
- return ret;
+ return ret;
}
int
-afr_spb_choice_timeout_cancel (xlator_t *this, inode_t *inode)
+afr_spb_choice_timeout_cancel(xlator_t *this, inode_t *inode)
{
- afr_inode_ctx_t *ctx = NULL;
- int ret = -1;
+ afr_inode_ctx_t *ctx = NULL;
+ int ret = -1;
- if (!inode)
- return ret;
+ if (!inode)
+ return ret;
- LOCK(&inode->lock);
- {
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret < 0 || !ctx) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
- "Failed to cancel split-brain choice timer.");
- goto out;
- }
- ctx->spb_choice = -1;
- if (ctx->timer) {
- gf_timer_call_cancel (this->ctx, ctx->timer);
- ctx->timer = NULL;
- }
- ret = 0;
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
+ if (ret < 0 || !ctx) {
+ UNLOCK(&inode->lock);
+ gf_msg(this->name, GF_LOG_WARNING, 0,
+ AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
+ "Failed to cancel split-brain choice timer.");
+ goto out;
+ }
+ ctx->spb_choice = -1;
+ if (ctx->timer) {
+ gf_timer_call_cancel(this->ctx, ctx->timer);
+ ctx->timer = NULL;
}
+ ret = 0;
+ }
+ UNLOCK(&inode->lock);
out:
- UNLOCK(&inode->lock);
- return ret;
+ return ret;
}
void
-afr_set_split_brain_choice_cbk (void *data)
+afr_set_split_brain_choice_cbk(void *data)
{
- inode_t *inode = data;
- xlator_t *this = THIS;
+ inode_t *inode = data;
+ xlator_t *this = THIS;
- afr_spb_choice_timeout_cancel (this, inode);
- inode_invalidate (inode);
- inode_unref (inode);
- return;
+ afr_spb_choice_timeout_cancel(this, inode);
+ inode_invalidate(inode);
+ inode_unref(inode);
+ return;
}
-
int
-afr_set_split_brain_choice (int ret, call_frame_t *frame, void *opaque)
-{
- int op_errno = ENOMEM;
- afr_private_t *priv = NULL;
- afr_inode_ctx_t *ctx = NULL;
- inode_t *inode = NULL;
- loc_t *loc = NULL;
- xlator_t *this = NULL;
- afr_spbc_timeout_t *data = opaque;
- struct timespec delta = {0, };
- gf_boolean_t timer_set = _gf_false;
- gf_boolean_t timer_cancelled = _gf_false;
- gf_boolean_t timer_reset = _gf_false;
- gf_boolean_t need_invalidate = _gf_true;
- int old_spb_choice = -1;
-
- frame = data->frame;
- loc = data->loc;
- this = frame->this;
- priv = this->private;
-
+afr_set_split_brain_choice(int ret, call_frame_t *frame, void *opaque)
+{
+ int op_errno = ENOMEM;
+ afr_private_t *priv = NULL;
+ afr_inode_ctx_t *ctx = NULL;
+ inode_t *inode = NULL;
+ loc_t *loc = NULL;
+ xlator_t *this = NULL;
+ afr_spbc_timeout_t *data = opaque;
+ struct timespec delta = {
+ 0,
+ };
+ gf_boolean_t timer_set = _gf_false;
+ gf_boolean_t timer_cancelled = _gf_false;
+ gf_boolean_t timer_reset = _gf_false;
+ int old_spb_choice = -1;
+
+ frame = data->frame;
+ loc = data->loc;
+ this = frame->this;
+ priv = this->private;
+
+ if (ret) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ delta.tv_sec = priv->spb_choice_timeout;
+ delta.tv_nsec = 0;
+
+ if (!loc->inode) {
+ ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ if (!(data->d_spb || data->m_spb)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
+ "Cannot set "
+ "replica.split-brain-choice on %s. File is"
+ " not in data/metadata split-brain.",
+ uuid_utoa(loc->gfid));
+ ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ /*
+ * we're ref'ing the inode before LOCK like it is done elsewhere in the
+ * code. If we ref after LOCK, coverity complains of possible deadlocks.
+ */
+ inode = inode_ref(loc->inode);
+
+ LOCK(&inode->lock);
+ {
+ ret = __afr_inode_ctx_get(this, inode, &ctx);
if (ret) {
- op_errno = -ret;
- ret = -1;
- goto out;
+ UNLOCK(&inode->lock);
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
+ "Failed to get inode_ctx for %s", loc->name);
+ goto post_unlock;
}
- delta.tv_sec = priv->spb_choice_timeout;
- delta.tv_nsec = 0;
-
- if (!loc->inode) {
- ret = -1;
- op_errno = EINVAL;
- goto out;
- }
-
- if (!(data->d_spb || data->m_spb)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR, "Cannot set "
- "replica.split-brain-choice on %s. File is"
- " not in data/metadata split-brain.",
- uuid_utoa (loc->gfid));
- ret = -1;
- op_errno = EINVAL;
- goto out;
- }
+ old_spb_choice = ctx->spb_choice;
+ ctx->spb_choice = data->spb_child_index;
- /*
- * we're ref'ing the inode before LOCK like it is done elsewhere in the
- * code. If we ref after LOCK, coverity complains of possible deadlocks.
+ /* Possible changes in spb-choice :
+ * valid to -1 : cancel timer and unref
+ * valid to valid : cancel timer and inject new one
+ * -1 to -1 : unref and do not do anything
+ * -1 to valid : inject timer
*/
- inode = inode_ref (loc->inode);
- LOCK(&inode->lock);
- {
- ret = __afr_inode_ctx_get (this, inode, &ctx);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
- "Failed to get inode_ctx for %s", loc->name);
- goto unlock;
+ /* ctx->timer is NULL iff previous value of
+ * ctx->spb_choice is -1
+ */
+ if (ctx->timer) {
+ if (ctx->spb_choice == -1) {
+ if (!gf_timer_call_cancel(this->ctx, ctx->timer)) {
+ ctx->timer = NULL;
+ timer_cancelled = _gf_true;
}
-
- old_spb_choice = ctx->spb_choice;
- ctx->spb_choice = data->spb_child_index;
-
- /* Possible changes in spb-choice :
- * valid to -1 : cancel timer and unref
- * valid to valid : cancel timer and inject new one
- * -1 to -1 : unref and do not do anything
- * -1 to valid : inject timer
+ /* If timer cancel failed here it means that the
+ * previous cbk will be executed which will set
+ * spb_choice to -1. So we can consider the
+ * 'valid to -1' case to be a success
+ * (i.e. ret = 0) and goto unlock.
*/
-
- /* ctx->timer is NULL iff previous value of
- * ctx->spb_choice is -1
- */
- if (ctx->timer) {
- if (ctx->spb_choice == -1) {
- if (!gf_timer_call_cancel (this->ctx,
- ctx->timer)) {
- ctx->timer = NULL;
- timer_cancelled = _gf_true;
- }
- /* If timer cancel failed here it means that the
- * previous cbk will be executed which will set
- * spb_choice to -1. So we can consider the
- * 'valid to -1' case to be a success
- * (i.e. ret = 0) and goto unlock.
- */
- goto unlock;
- }
- goto reset_timer;
- } else {
- if (ctx->spb_choice == -1)
- goto unlock;
- goto set_timer;
- }
-
-reset_timer:
- ret = gf_timer_call_cancel (this->ctx, ctx->timer);
- if (ret != 0) {
- /* We need to bail out now instead of launching a new
- * timer. Otherwise the cbk of the previous timer event
- * will cancel the new ctx->timer.
- */
- ctx->spb_choice = old_spb_choice;
- ret = -1;
- op_errno = EAGAIN;
- goto unlock;
- }
- ctx->timer = NULL;
- timer_reset = _gf_true;
-
-set_timer:
- ctx->timer = gf_timer_call_after (this->ctx, delta,
- afr_set_split_brain_choice_cbk,
- inode);
- if (!ctx->timer) {
- ctx->spb_choice = old_spb_choice;
- ret = -1;
- op_errno = ENOMEM;
- }
- if (!timer_reset && ctx->timer)
- timer_set = _gf_true;
- if (timer_reset && !ctx->timer)
- timer_cancelled = _gf_true;
- need_invalidate = _gf_false;
+ goto unlock;
+ }
+ goto reset_timer;
+ } else {
+ if (ctx->spb_choice == -1)
+ goto unlock;
+ goto set_timer;
}
+
+ reset_timer:
+ ret = gf_timer_call_cancel(this->ctx, ctx->timer);
+ if (ret != 0) {
+ /* We need to bail out now instead of launching a new
+ * timer. Otherwise the cbk of the previous timer event
+ * will cancel the new ctx->timer.
+ */
+ ctx->spb_choice = old_spb_choice;
+ ret = -1;
+ op_errno = EAGAIN;
+ goto unlock;
+ }
+ ctx->timer = NULL;
+ timer_reset = _gf_true;
+
+ set_timer:
+ ctx->timer = gf_timer_call_after(this->ctx, delta,
+ afr_set_split_brain_choice_cbk, inode);
+ if (!ctx->timer) {
+ ctx->spb_choice = old_spb_choice;
+ ret = -1;
+ op_errno = ENOMEM;
+ }
+ if (!timer_reset && ctx->timer)
+ timer_set = _gf_true;
+ if (timer_reset && !ctx->timer)
+ timer_cancelled = _gf_true;
+ }
unlock:
- UNLOCK(&inode->lock);
- if (!timer_set)
- inode_unref (inode);
- if (timer_cancelled)
- inode_unref (inode);
- /*
- * We need to invalidate the inode to prevent the kernel from serving
- * reads from an older cached value despite a change in spb_choice to
- * a new value.
- */
- if (need_invalidate)
- inode_invalidate (inode);
+ UNLOCK(&inode->lock);
+post_unlock:
+ if (!timer_set)
+ inode_unref(inode);
+ if (timer_cancelled)
+ inode_unref(inode);
+ /*
+ * We need to invalidate the inode to prevent the kernel from serving
+ * reads from an older cached value despite a change in spb_choice to
+ * a new value.
+ */
+ inode_invalidate(inode);
out:
- GF_FREE (data);
- AFR_STACK_UNWIND (setxattr, frame, ret, op_errno, NULL);
- return 0;
+ GF_FREE(data);
+ AFR_STACK_UNWIND(setxattr, frame, ret, op_errno, NULL);
+ return 0;
}
int
-afr_accused_fill (xlator_t *this, dict_t *xdata, unsigned char *accused,
- afr_transaction_type type)
+afr_accused_fill(xlator_t *this, dict_t *xdata, unsigned char *accused,
+ afr_transaction_type type)
{
- afr_private_t *priv = NULL;
- int i = 0;
- int idx = afr_index_for_transaction_type (type);
- void *pending_raw = NULL;
- int pending[3];
- int ret = 0;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int idx = afr_index_for_transaction_type(type);
+ void *pending_raw = NULL;
+ int pending[3];
+ int ret = 0;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_get_ptr (xdata, priv->pending_key[i],
- &pending_raw);
- if (ret) /* no pending flags */
- continue;
- memcpy (pending, pending_raw, sizeof(pending));
+ for (i = 0; i < priv->child_count; i++) {
+ ret = dict_get_ptr(xdata, priv->pending_key[i], &pending_raw);
+ if (ret) /* no pending flags */
+ continue;
+ memcpy(pending, pending_raw, sizeof(pending));
- if (ntoh32 (pending[idx]))
- accused[i] = 1;
- }
+ if (ntoh32(pending[idx]))
+ accused[i] = 1;
+ }
- return 0;
+ return 0;
}
int
-afr_accuse_smallfiles (xlator_t *this, struct afr_reply *replies,
- unsigned char *data_accused)
+afr_accuse_smallfiles(xlator_t *this, struct afr_reply *replies,
+ unsigned char *data_accused)
{
- int i = 0;
- afr_private_t *priv = NULL;
- uint64_t maxsize = 0;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ uint64_t maxsize = 0;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (replies[i].valid && replies[i].xdata &&
- dict_get (replies[i].xdata, GLUSTERFS_BAD_INODE))
- continue;
- if (data_accused[i])
- continue;
- if (replies[i].poststat.ia_size > maxsize)
- maxsize = replies[i].poststat.ia_size;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies[i].valid && replies[i].xdata &&
+ dict_get_sizen(replies[i].xdata, GLUSTERFS_BAD_INODE))
+ continue;
+ if (data_accused[i])
+ continue;
+ if (replies[i].poststat.ia_size > maxsize)
+ maxsize = replies[i].poststat.ia_size;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (data_accused[i])
- continue;
- if (AFR_IS_ARBITER_BRICK(priv, i))
- continue;
- if (replies[i].poststat.ia_size < maxsize)
- data_accused[i] = 1;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (data_accused[i])
+ continue;
+ if (AFR_IS_ARBITER_BRICK(priv, i))
+ continue;
+ if (replies[i].poststat.ia_size < maxsize)
+ data_accused[i] = 1;
+ }
- return 0;
+ return 0;
}
int
-afr_readables_fill (call_frame_t *frame, xlator_t *this, inode_t *inode,
- unsigned char *data_accused,
- unsigned char *metadata_accused,
- unsigned char *data_readable,
- unsigned char *metadata_readable,
- struct afr_reply *replies)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- dict_t *xdata = NULL;
- int i = 0;
- int ret = 0;
- ia_type_t ia_type = IA_INVAL;
-
- local = frame->local;
- priv = this->private;
+afr_readables_fill(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ unsigned char *data_accused, unsigned char *metadata_accused,
+ unsigned char *data_readable,
+ unsigned char *metadata_readable, struct afr_reply *replies)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xdata = NULL;
+ int i = 0;
+ int ret = 0;
+ ia_type_t ia_type = IA_INVAL;
+
+ local = frame->local;
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ data_readable[i] = 1;
+ metadata_readable[i] = 1;
+ }
+ if (AFR_IS_ARBITER_BRICK(priv, ARBITER_BRICK_INDEX)) {
+ data_readable[ARBITER_BRICK_INDEX] = 0;
+ metadata_readable[ARBITER_BRICK_INDEX] = 0;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies) { /* Lookup */
+ if (!replies[i].valid || replies[i].op_ret == -1 ||
+ (replies[i].xdata &&
+ dict_get_sizen(replies[i].xdata, GLUSTERFS_BAD_INODE))) {
+ data_readable[i] = 0;
+ metadata_readable[i] = 0;
+ continue;
+ }
- for (i = 0; i < priv->child_count; i++) {
- data_readable[i] = 1;
- metadata_readable[i] = 1;
- }
- if (AFR_IS_ARBITER_BRICK (priv, ARBITER_BRICK_INDEX)) {
- data_readable[ARBITER_BRICK_INDEX] = 0;
- metadata_readable[ARBITER_BRICK_INDEX] = 0;
+ xdata = replies[i].xdata;
+ ia_type = replies[i].poststat.ia_type;
+ } else { /* pre-op xattrop */
+ xdata = local->transaction.changelog_xdata[i];
+ ia_type = inode->ia_type;
}
- for (i = 0; i < priv->child_count; i++) {
- if (replies) {/* Lookup */
- if (!replies[i].valid || replies[i].op_ret == -1 ||
- (replies[i].xdata && dict_get (replies[i].xdata,
- GLUSTERFS_BAD_INODE))) {
- data_readable[i] = 0;
- metadata_readable[i] = 0;
- continue;
- }
-
- xdata = replies[i].xdata;
- ia_type = replies[i].poststat.ia_type;
- } else {/* pre-op xattrop */
- xdata = local->transaction.changelog_xdata[i];
- ia_type = inode->ia_type;
- }
+ if (!xdata)
+ continue; /* mkdir_cbk sends NULL xdata_rsp. */
+ afr_accused_fill(this, xdata, data_accused,
+ (ia_type == IA_IFDIR) ? AFR_ENTRY_TRANSACTION
+ : AFR_DATA_TRANSACTION);
- afr_accused_fill (this, xdata, data_accused,
- (ia_type == IA_IFDIR) ?
- AFR_ENTRY_TRANSACTION : AFR_DATA_TRANSACTION);
+ afr_accused_fill(this, xdata, metadata_accused,
+ AFR_METADATA_TRANSACTION);
+ }
- afr_accused_fill (this, xdata,
- metadata_accused, AFR_METADATA_TRANSACTION);
- }
+ if (replies && ia_type != IA_INVAL && ia_type != IA_IFDIR &&
+ /* We want to accuse small files only when we know for
+ * sure that there is no IO happening. Otherwise, the
+ * ia_sizes obtained in post-refresh replies may
+ * mismatch due to a race between inode-refresh and
+ * ongoing writes, causing spurious heal launches*/
+ !afr_is_possibly_under_txn(AFR_DATA_TRANSACTION, local, this)) {
+ afr_accuse_smallfiles(this, replies, data_accused);
+ }
- if (replies && ia_type != IA_INVAL && ia_type != IA_IFDIR &&
- /* We want to accuse small files only when we know for
- * sure that there is no IO happening. Otherwise, the
- * ia_sizes obtained in post-refresh replies may
- * mismatch due to a race between inode-refresh and
- * ongoing writes, causing spurious heal launches*/
- !afr_is_possibly_under_txn (AFR_DATA_TRANSACTION, local, this)) {
- afr_accuse_smallfiles (this, replies, data_accused);
+ for (i = 0; i < priv->child_count; i++) {
+ if (data_accused[i]) {
+ data_readable[i] = 0;
+ ret = 1;
}
-
- for (i = 0; i < priv->child_count; i++) {
- if (data_accused[i]) {
- data_readable[i] = 0;
- ret = 1;
- }
- if (metadata_accused[i]) {
- metadata_readable[i] = 0;
- ret = 1;
- }
+ if (metadata_accused[i]) {
+ metadata_readable[i] = 0;
+ ret = 1;
}
- return ret;
+ }
+ return ret;
}
int
-afr_replies_interpret (call_frame_t *frame, xlator_t *this, inode_t *inode,
- gf_boolean_t *start_heal)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- struct afr_reply *replies = NULL;
- int event_generation = 0;
- int i = 0;
- unsigned char *data_accused = NULL;
- unsigned char *metadata_accused = NULL;
- unsigned char *data_readable = NULL;
- unsigned char *metadata_readable = NULL;
- int ret = 0;
-
- local = frame->local;
- priv = this->private;
- replies = local->replies;
- event_generation = local->event_generation;
-
- data_accused = alloca0 (priv->child_count);
- data_readable = alloca0 (priv->child_count);
- metadata_accused = alloca0 (priv->child_count);
- metadata_readable = alloca0 (priv->child_count);
-
- ret = afr_readables_fill (frame, this, inode, data_accused,
- metadata_accused, data_readable,
- metadata_readable, replies);
-
- for (i = 0; i < priv->child_count; i++) {
- if (start_heal && priv->child_up[i] &&
- (data_accused[i] || metadata_accused[i])) {
- *start_heal = _gf_true;
- break;
- }
- }
- afr_inode_read_subvol_set (inode, this, data_readable,
- metadata_readable, event_generation);
- return ret;
+afr_replies_interpret(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ gf_boolean_t *start_heal)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
+ int event_generation = 0;
+ int i = 0;
+ unsigned char *data_accused = NULL;
+ unsigned char *metadata_accused = NULL;
+ unsigned char *data_readable = NULL;
+ unsigned char *metadata_readable = NULL;
+ int ret = 0;
+
+ local = frame->local;
+ priv = this->private;
+ replies = local->replies;
+ event_generation = local->event_generation;
+
+ data_accused = alloca0(priv->child_count);
+ data_readable = alloca0(priv->child_count);
+ metadata_accused = alloca0(priv->child_count);
+ metadata_readable = alloca0(priv->child_count);
+
+ ret = afr_readables_fill(frame, this, inode, data_accused, metadata_accused,
+ data_readable, metadata_readable, replies);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (start_heal && priv->child_up[i] &&
+ (data_accused[i] || metadata_accused[i])) {
+ *start_heal = _gf_true;
+ break;
+ }
+ }
+ afr_inode_read_subvol_set(inode, this, data_readable, metadata_readable,
+ event_generation);
+ return ret;
}
int
-afr_refresh_selfheal_done (int ret, call_frame_t *heal, void *opaque)
+afr_refresh_selfheal_done(int ret, call_frame_t *heal, void *opaque)
{
- if (heal)
- AFR_STACK_DESTROY (heal);
- return 0;
+ if (heal)
+ AFR_STACK_DESTROY(heal);
+ return 0;
}
int
-afr_inode_refresh_err (call_frame_t *frame, xlator_t *this)
+afr_inode_refresh_err(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- int err = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int err = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (local->replies[i].valid && !local->replies[i].op_ret) {
- err = 0;
- goto ret;
- }
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].valid && !local->replies[i].op_ret) {
+ err = 0;
+ goto ret;
+ }
+ }
- err = afr_final_errno (local, priv);
+ err = afr_final_errno(local, priv);
ret:
- return err;
+ return err;
}
gf_boolean_t
-afr_selfheal_enabled (xlator_t *this)
+afr_selfheal_enabled(const xlator_t *this)
{
- afr_private_t *priv = NULL;
- gf_boolean_t data = _gf_false;
- int ret = 0;
-
- priv = this->private;
-
- ret = gf_string2boolean (priv->data_self_heal, &data);
- GF_ASSERT (!ret);
+ const afr_private_t *priv = this->private;
- return data || priv->metadata_self_heal || priv->entry_self_heal;
+ return priv->data_self_heal || priv->metadata_self_heal ||
+ priv->entry_self_heal;
}
-
int
-afr_txn_refresh_done (call_frame_t *frame, xlator_t *this, int err)
+afr_txn_refresh_done(call_frame_t *frame, xlator_t *this, int err)
{
+ call_frame_t *heal_frame = NULL;
+ afr_local_t *heal_local = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ inode_t *inode = NULL;
+ int event_generation = 0;
+ int read_subvol = -1;
+ int ret = 0;
- call_frame_t *heal_frame = NULL;
- afr_local_t *heal_local = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- inode_t *inode = NULL;
- int event_generation = 0;
- int read_subvol = -1;
- int op_errno = ENOMEM;
- int ret = 0;
-
- local = frame->local;
- inode = local->inode;
- priv = this->private;
-
- if (err)
- goto refresh_done;
+ local = frame->local;
+ inode = local->inode;
+ priv = this->private;
- if (local->op == GF_FOP_LOOKUP)
- goto refresh_done;
+ if (err)
+ goto refresh_done;
- ret = afr_inode_get_readable (frame, inode, this, local->readable,
- &event_generation,
- local->transaction.type);
+ if (local->op == GF_FOP_LOOKUP)
+ goto refresh_done;
- if (ret == -EIO || (local->is_read_txn && !event_generation)) {
- /* No readable subvolume even after refresh ==> splitbrain.*/
- if (!priv->fav_child_policy) {
- err = EIO;
- goto refresh_done;
- }
- read_subvol = afr_sh_get_fav_by_policy (this, local->replies,
- inode, NULL);
- if (read_subvol == -1) {
- err = EIO;
- goto refresh_done;
- }
+ ret = afr_inode_get_readable(frame, inode, this, local->readable,
+ &event_generation, local->transaction.type);
- heal_frame = copy_frame (frame);
- if (!heal_frame) {
- err = EIO;
- goto refresh_done;
- }
- heal_frame->root->pid = GF_CLIENT_PID_SELF_HEALD;
- heal_local = AFR_FRAME_INIT (heal_frame, op_errno);
- if (!heal_local) {
- err = EIO;
- AFR_STACK_DESTROY (heal_frame);
- goto refresh_done;
- }
- heal_local->xdata_req = dict_new();
- if (!heal_local->xdata_req) {
- err = EIO;
- AFR_STACK_DESTROY (heal_frame);
- goto refresh_done;
- }
- heal_local->heal_frame = frame;
- ret = synctask_new (this->ctx->env,
- afr_fav_child_reset_sink_xattrs,
- afr_fav_child_reset_sink_xattrs_cbk,
- heal_frame,
- heal_frame);
- return 0;
+ if (ret == -EIO) {
+ /* No readable subvolume even after refresh ==> splitbrain.*/
+ if (!priv->fav_child_policy) {
+ err = EIO;
+ goto refresh_done;
+ }
+ read_subvol = afr_sh_get_fav_by_policy(this, local->replies, inode,
+ NULL);
+ if (read_subvol == -1) {
+ err = EIO;
+ goto refresh_done;
}
-refresh_done:
- afr_local_replies_wipe (local, this->private);
- local->refreshfn (frame, this, err);
-
+ heal_frame = afr_frame_create(this, NULL);
+ if (!heal_frame) {
+ err = EIO;
+ goto refresh_done;
+ }
+ heal_local = heal_frame->local;
+ heal_local->xdata_req = dict_new();
+ if (!heal_local->xdata_req) {
+ err = EIO;
+ AFR_STACK_DESTROY(heal_frame);
+ goto refresh_done;
+ }
+ heal_local->heal_frame = frame;
+ ret = synctask_new(this->ctx->env, afr_fav_child_reset_sink_xattrs,
+ afr_fav_child_reset_sink_xattrs_cbk, heal_frame,
+ heal_frame);
return 0;
-}
+ }
-static void
-afr_fill_success_replies (afr_local_t *local, afr_private_t *priv,
- unsigned char *replies)
-{
- int i = 0;
+refresh_done:
+ afr_local_replies_wipe(local, this->private);
+ local->refreshfn(frame, this, err);
- for (i = 0; i < priv->child_count; i++) {
- if (local->replies[i].valid && local->replies[i].op_ret == 0)
- replies[i] = 1;
- }
+ return 0;
}
int
-afr_inode_refresh_done (call_frame_t *frame, xlator_t *this, int error)
-{
- call_frame_t *heal_frame = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- gf_boolean_t start_heal = _gf_false;
- afr_local_t *heal_local = NULL;
- unsigned char *success_replies = NULL;
- int op_errno = ENOMEM;
- int ret = 0;
-
- if (error != 0) {
- goto refresh_done;
- }
-
- local = frame->local;
- priv = this->private;
- success_replies = alloca0 (priv->child_count);
- afr_fill_success_replies (local, priv, success_replies);
-
- if (!afr_has_quorum (success_replies, this)) {
- error = afr_final_errno (frame->local, this->private);
- if (!error)
- error = afr_quorum_errno(priv);
- goto refresh_done;
- }
-
- ret = afr_replies_interpret (frame, this, local->refreshinode,
- &start_heal);
-
- if (ret && afr_selfheal_enabled (this) && start_heal) {
- heal_frame = copy_frame (frame);
- if (!heal_frame)
- goto refresh_done;
- heal_frame->root->pid = GF_CLIENT_PID_SELF_HEALD;
- heal_local = AFR_FRAME_INIT (heal_frame, op_errno);
- if (!heal_local) {
- AFR_STACK_DESTROY (heal_frame);
- goto refresh_done;
- }
- heal_local->refreshinode = inode_ref (local->refreshinode);
- heal_local->heal_frame = heal_frame;
- if (!afr_throttled_selfheal (heal_frame, this)) {
- AFR_STACK_DESTROY (heal_frame);
- goto refresh_done;
- }
+afr_inode_refresh_done(call_frame_t *frame, xlator_t *this, int error)
+{
+ call_frame_t *heal_frame = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t start_heal = _gf_false;
+ afr_local_t *heal_local = NULL;
+ unsigned char *success_replies = NULL;
+ int ret = 0;
+
+ if (error != 0) {
+ goto refresh_done;
+ }
+
+ local = frame->local;
+ priv = this->private;
+ success_replies = alloca0(priv->child_count);
+ afr_fill_success_replies(local, priv, success_replies);
+
+ if (priv->thin_arbiter_count && local->is_read_txn &&
+ AFR_COUNT(success_replies, priv->child_count) != priv->child_count) {
+ /* We need to query the good bricks and/or thin-arbiter.*/
+ if (success_replies[0]) {
+ local->read_txn_query_child = AFR_CHILD_ZERO;
+ } else if (success_replies[1]) {
+ local->read_txn_query_child = AFR_CHILD_ONE;
+ }
+ error = EINVAL;
+ goto refresh_done;
+ }
+
+ if (!afr_has_quorum(success_replies, this, frame)) {
+ error = afr_final_errno(frame->local, this->private);
+ if (!error)
+ error = afr_quorum_errno(priv);
+ goto refresh_done;
+ }
+
+ ret = afr_replies_interpret(frame, this, local->refreshinode, &start_heal);
+
+ if (ret && afr_selfheal_enabled(this) && start_heal) {
+ heal_frame = afr_frame_create(this, NULL);
+ if (!heal_frame)
+ goto refresh_done;
+ heal_local = heal_frame->local;
+ heal_local->refreshinode = inode_ref(local->refreshinode);
+ heal_local->heal_frame = heal_frame;
+ if (!afr_throttled_selfheal(heal_frame, this)) {
+ AFR_STACK_DESTROY(heal_frame);
+ goto refresh_done;
}
+ }
refresh_done:
- afr_txn_refresh_done (frame, this, error);
+ afr_txn_refresh_done(frame, this, error);
- return 0;
+ return 0;
}
void
-afr_inode_refresh_subvol_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *buf,
- dict_t *xdata, struct iatt *par)
-{
- afr_local_t *local = NULL;
- int call_child = (long) cookie;
- int8_t need_heal = 1;
- int call_count = 0;
- int ret = 0;
+afr_inode_refresh_subvol_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *buf,
+ dict_t *xdata, struct iatt *par)
+{
+ afr_local_t *local = NULL;
+ int call_child = (long)cookie;
+ int8_t need_heal = 1;
+ int call_count = 0;
+ int ret = 0;
+
+ local = frame->local;
+ local->replies[call_child].valid = 1;
+ local->replies[call_child].op_ret = op_ret;
+ local->replies[call_child].op_errno = op_errno;
+ if (op_ret != -1) {
+ local->replies[call_child].poststat = *buf;
+ if (par)
+ local->replies[call_child].postparent = *par;
+ if (xdata)
+ local->replies[call_child].xdata = dict_ref(xdata);
+ }
- local = frame->local;
- local->replies[call_child].valid = 1;
- local->replies[call_child].op_ret = op_ret;
- local->replies[call_child].op_errno = op_errno;
- if (op_ret != -1) {
- local->replies[call_child].poststat = *buf;
- if (par)
- local->replies[call_child].postparent = *par;
- if (xdata)
- local->replies[call_child].xdata = dict_ref (xdata);
- }
- if (xdata) {
- ret = dict_get_int8 (xdata, "link-count", &need_heal);
- local->replies[call_child].need_heal = need_heal;
- } else {
- local->replies[call_child].need_heal = need_heal;
+ if (xdata) {
+ ret = dict_get_int8(xdata, "link-count", &need_heal);
+ if (ret) {
+ gf_msg_debug(this->name, -ret, "Unable to get link count");
}
+ }
- call_count = afr_frame_return (frame);
- if (call_count == 0) {
- afr_set_need_heal (this, local);
- ret = afr_inode_refresh_err (frame, this);
- afr_inode_refresh_done (frame, this, ret);
+ local->replies[call_child].need_heal = need_heal;
+ call_count = afr_frame_return(frame);
+ if (call_count == 0) {
+ afr_set_need_heal(this, local);
+ ret = afr_inode_refresh_err(frame, this);
+ if (ret) {
+ gf_msg_debug(this->name, ret, "afr_inode_refresh_err failed");
}
-
+ afr_inode_refresh_done(frame, this, ret);
+ }
}
int
-afr_inode_refresh_subvol_with_lookup_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret,
- int op_errno, inode_t *inode,
- struct iatt *buf, dict_t *xdata,
- struct iatt *par)
+afr_inode_refresh_subvol_with_lookup_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xdata,
+ struct iatt *par)
{
- afr_inode_refresh_subvol_cbk (frame, cookie, this, op_ret, op_errno,
- buf, xdata, par);
- return 0;
+ afr_inode_refresh_subvol_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ xdata, par);
+ return 0;
}
-
int
-afr_inode_refresh_subvol_with_lookup (call_frame_t *frame, xlator_t *this,
- int i, inode_t *inode, uuid_t gfid,
- dict_t *xdata)
+afr_inode_refresh_subvol_with_lookup(call_frame_t *frame, xlator_t *this, int i,
+ inode_t *inode, uuid_t gfid, dict_t *xdata)
{
- loc_t loc = {0, };
- afr_private_t *priv = NULL;
+ loc_t loc = {
+ 0,
+ };
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- loc.inode = inode;
- if (gf_uuid_is_null (inode->gfid) && gfid) {
- /* To handle setattr/setxattr on yet to be linked inode from
- * dht */
- gf_uuid_copy (loc.gfid, gfid);
- } else {
- gf_uuid_copy (loc.gfid, inode->gfid);
- }
+ loc.inode = inode;
+ if (gf_uuid_is_null(inode->gfid) && gfid) {
+ /* To handle setattr/setxattr on yet to be linked inode from
+ * dht */
+ gf_uuid_copy(loc.gfid, gfid);
+ } else {
+ gf_uuid_copy(loc.gfid, inode->gfid);
+ }
- STACK_WIND_COOKIE (frame, afr_inode_refresh_subvol_with_lookup_cbk,
- (void *) (long) i, priv->children[i],
- priv->children[i]->fops->lookup, &loc, xdata);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_inode_refresh_subvol_with_lookup_cbk,
+ (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->lookup, &loc, xdata);
+ return 0;
}
int
-afr_inode_refresh_subvol_with_fstat_cbk (call_frame_t *frame,
- void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- struct iatt *buf, dict_t *xdata)
+afr_inode_refresh_subvol_with_fstat_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct iatt *buf,
+ dict_t *xdata)
{
- afr_inode_refresh_subvol_cbk (frame, cookie, this, op_ret, op_errno,
- buf, xdata, NULL);
- return 0;
+ afr_inode_refresh_subvol_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ xdata, NULL);
+ return 0;
}
int
-afr_inode_refresh_subvol_with_fstat (call_frame_t *frame, xlator_t *this, int i,
- dict_t *xdata)
+afr_inode_refresh_subvol_with_fstat(call_frame_t *frame, xlator_t *this, int i,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- STACK_WIND_COOKIE (frame, afr_inode_refresh_subvol_with_fstat_cbk,
- (void *) (long) i, priv->children[i],
- priv->children[i]->fops->fstat, local->fd, xdata);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_inode_refresh_subvol_with_fstat_cbk,
+ (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->fstat, local->fd, xdata);
+ return 0;
}
int
-afr_inode_refresh_do (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = 0;
- int i = 0;
- int ret = 0;
- dict_t *xdata = NULL;
- afr_fd_ctx_t *fd_ctx = NULL;
- unsigned char *wind_subvols = NULL;
-
- priv = this->private;
- local = frame->local;
- wind_subvols = alloca0 (priv->child_count);
-
- afr_local_replies_wipe (local, priv);
-
- if (local->fd) {
- fd_ctx = afr_fd_ctx_get (local->fd, this);
- if (!fd_ctx) {
- afr_inode_refresh_done (frame, this, EINVAL);
- return 0;
- }
- }
+afr_inode_refresh_do(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = 0;
+ int i = 0;
+ int ret = 0;
+ dict_t *xdata = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ unsigned char *wind_subvols = NULL;
- xdata = dict_new ();
- if (!xdata) {
- afr_inode_refresh_done (frame, this, ENOMEM);
- return 0;
- }
+ priv = this->private;
+ local = frame->local;
+ wind_subvols = alloca0(priv->child_count);
- ret = afr_xattr_req_prepare (this, xdata);
- if (ret != 0) {
- dict_unref (xdata);
- afr_inode_refresh_done (frame, this, -ret);
- return 0;
- }
+ afr_local_replies_wipe(local, priv);
- ret = dict_set_str (xdata, "link-count", GF_XATTROP_INDEX_COUNT);
- if (ret) {
- gf_msg_debug (this->name, -ret,
- "Unable to set link-count in dict ");
+ if (local->fd) {
+ fd_ctx = afr_fd_ctx_get(local->fd, this);
+ if (!fd_ctx) {
+ afr_inode_refresh_done(frame, this, EINVAL);
+ return 0;
}
+ }
- ret = dict_set_str (xdata, GLUSTERFS_INODELK_DOM_COUNT, this->name);
- if (ret) {
- gf_msg_debug (this->name, -ret,
- "Unable to set inodelk-dom-count in dict ");
+ xdata = dict_new();
+ if (!xdata) {
+ afr_inode_refresh_done(frame, this, ENOMEM);
+ return 0;
+ }
- }
+ ret = afr_xattr_req_prepare(this, xdata);
+ if (ret != 0) {
+ dict_unref(xdata);
+ afr_inode_refresh_done(frame, this, -ret);
+ return 0;
+ }
- if (local->fd) {
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i] &&
- fd_ctx->opened_on[i] == AFR_FD_OPENED)
- wind_subvols[i] = 1;
- }
- } else {
- memcpy (wind_subvols, local->child_up,
- sizeof (*local->child_up) * priv->child_count);
- }
+ ret = dict_set_sizen_str_sizen(xdata, "link-count", GF_XATTROP_INDEX_COUNT);
+ if (ret) {
+ gf_msg_debug(this->name, -ret, "Unable to set link-count in dict ");
+ }
- local->call_count = AFR_COUNT (wind_subvols, priv->child_count);
+ ret = dict_set_str_sizen(xdata, GLUSTERFS_INODELK_DOM_COUNT, this->name);
+ if (ret) {
+ gf_msg_debug(this->name, -ret,
+ "Unable to set inodelk-dom-count in dict ");
+ }
- call_count = local->call_count;
- if (!call_count) {
- dict_unref (xdata);
- if (local->fd && AFR_COUNT(local->child_up, priv->child_count))
- afr_inode_refresh_done (frame, this, EBADFD);
- else
- afr_inode_refresh_done (frame, this, ENOTCONN);
- return 0;
+ if (local->fd) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i] && fd_ctx->opened_on[i] == AFR_FD_OPENED)
+ wind_subvols[i] = 1;
}
- for (i = 0; i < priv->child_count; i++) {
- if (!wind_subvols[i])
- continue;
+ } else {
+ memcpy(wind_subvols, local->child_up,
+ sizeof(*local->child_up) * priv->child_count);
+ }
- if (local->fd)
- afr_inode_refresh_subvol_with_fstat (frame, this, i,
- xdata);
- else
- afr_inode_refresh_subvol_with_lookup (frame, this, i,
- local->refreshinode,
- local->refreshgfid, xdata);
+ local->call_count = AFR_COUNT(wind_subvols, priv->child_count);
- if (!--call_count)
- break;
- }
+ call_count = local->call_count;
+ if (!call_count) {
+ dict_unref(xdata);
+ if (local->fd && AFR_COUNT(local->child_up, priv->child_count))
+ afr_inode_refresh_done(frame, this, EBADFD);
+ else
+ afr_inode_refresh_done(frame, this, ENOTCONN);
+ return 0;
+ }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!wind_subvols[i])
+ continue;
- dict_unref (xdata);
+ if (local->fd)
+ afr_inode_refresh_subvol_with_fstat(frame, this, i, xdata);
+ else
+ afr_inode_refresh_subvol_with_lookup(
+ frame, this, i, local->refreshinode, local->refreshgfid, xdata);
- return 0;
-}
+ if (!--call_count)
+ break;
+ }
+ dict_unref(xdata);
+
+ return 0;
+}
int
-afr_inode_refresh (call_frame_t *frame, xlator_t *this, inode_t *inode,
- uuid_t gfid, afr_inode_refresh_cbk_t refreshfn)
+afr_inode_refresh(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ uuid_t gfid, afr_inode_refresh_cbk_t refreshfn)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- local->refreshfn = refreshfn;
+ local->refreshfn = refreshfn;
- if (local->refreshinode) {
- inode_unref (local->refreshinode);
- local->refreshinode = NULL;
- }
+ if (local->refreshinode) {
+ inode_unref(local->refreshinode);
+ local->refreshinode = NULL;
+ }
- local->refreshinode = inode_ref (inode);
+ local->refreshinode = inode_ref(inode);
- if (gfid)
- gf_uuid_copy (local->refreshgfid, gfid);
- else
- gf_uuid_clear (local->refreshgfid);
+ if (gfid)
+ gf_uuid_copy(local->refreshgfid, gfid);
+ else
+ gf_uuid_clear(local->refreshgfid);
- afr_inode_refresh_do (frame, this);
+ afr_inode_refresh_do(frame, this);
- return 0;
+ return 0;
}
-
int
-afr_xattr_req_prepare (xlator_t *this, dict_t *xattr_req)
+afr_xattr_req_prepare(xlator_t *this, dict_t *xattr_req)
{
- int i = 0;
- afr_private_t *priv = NULL;
- int ret = 0;
-
- priv = this->private;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ int ret = 0;
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_set_uint64 (xattr_req, priv->pending_key[i],
- AFR_NUM_CHANGE_LOGS * sizeof(int));
- if (ret < 0)
- gf_msg (this->name, GF_LOG_WARNING,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Unable to set dict value for %s",
- priv->pending_key[i]);
- /* 3 = data+metadata+entry */
- }
- ret = dict_set_uint64 (xattr_req, AFR_DIRTY,
- AFR_NUM_CHANGE_LOGS * sizeof(int));
- if (ret) {
- gf_msg_debug (this->name, -ret, "failed to set dirty "
- "query flag");
- }
+ priv = this->private;
- ret = dict_set_int32 (xattr_req, "list-xattr", 1);
- if (ret) {
- gf_msg_debug (this->name, -ret,
- "Unable to set list-xattr in dict ");
- }
+ for (i = 0; i < priv->child_count; i++) {
+ ret = dict_set_uint64(xattr_req, priv->pending_key[i],
+ AFR_NUM_CHANGE_LOGS * sizeof(int));
+ if (ret < 0)
+ gf_msg(this->name, GF_LOG_WARNING, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Unable to set dict value for %s", priv->pending_key[i]);
+ /* 3 = data+metadata+entry */
+ }
+ ret = dict_set_uint64(xattr_req, AFR_DIRTY,
+ AFR_NUM_CHANGE_LOGS * sizeof(int));
+ if (ret) {
+ gf_msg_debug(this->name, -ret,
+ "failed to set dirty "
+ "query flag");
+ }
+
+ ret = dict_set_int32_sizen(xattr_req, "list-xattr", 1);
+ if (ret) {
+ gf_msg_debug(this->name, -ret, "Unable to set list-xattr in dict ");
+ }
+
+ return ret;
+}
- return ret;
+int
+afr_lookup_xattr_req_prepare(afr_local_t *local, xlator_t *this,
+ dict_t *xattr_req, loc_t *loc)
+{
+ int ret = -ENOMEM;
+
+ if (!local->xattr_req)
+ local->xattr_req = dict_new();
+
+ if (!local->xattr_req)
+ goto out;
+
+ if (xattr_req && (xattr_req != local->xattr_req))
+ dict_copy(xattr_req, local->xattr_req);
+
+ ret = afr_xattr_req_prepare(this, local->xattr_req);
+
+ ret = dict_set_uint64(local->xattr_req, GLUSTERFS_INODELK_COUNT, 0);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, AFR_MSG_DICT_SET_FAILED,
+ "%s: Unable to set dict value for %s", loc->path,
+ GLUSTERFS_INODELK_COUNT);
+ }
+ ret = dict_set_uint64(local->xattr_req, GLUSTERFS_ENTRYLK_COUNT, 0);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, AFR_MSG_DICT_SET_FAILED,
+ "%s: Unable to set dict value for %s", loc->path,
+ GLUSTERFS_ENTRYLK_COUNT);
+ }
+
+ ret = dict_set_uint32(local->xattr_req, GLUSTERFS_PARENT_ENTRYLK, 0);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, AFR_MSG_DICT_SET_FAILED,
+ "%s: Unable to set dict value for %s", loc->path,
+ GLUSTERFS_PARENT_ENTRYLK);
+ }
+
+ ret = dict_set_sizen_str_sizen(local->xattr_req, "link-count",
+ GF_XATTROP_INDEX_COUNT);
+ if (ret) {
+ gf_msg_debug(this->name, -ret, "Unable to set link-count in dict ");
+ }
+
+ ret = 0;
+out:
+ return ret;
}
int
-afr_lookup_xattr_req_prepare (afr_local_t *local, xlator_t *this,
- dict_t *xattr_req, loc_t *loc)
+afr_least_pending_reads_child(afr_private_t *priv, unsigned char *readable)
{
- int ret = -ENOMEM;
+ int i = 0;
+ int child = -1;
+ int64_t read_iter = -1;
+ int64_t pending_read = -1;
- if (!local->xattr_req)
- local->xattr_req = dict_new ();
+ for (i = 0; i < priv->child_count; i++) {
+ if (AFR_IS_ARBITER_BRICK(priv, i) || !readable[i])
+ continue;
+ read_iter = GF_ATOMIC_GET(priv->pending_reads[i]);
+ if (child == -1 || read_iter < pending_read) {
+ pending_read = read_iter;
+ child = i;
+ }
+ }
- if (!local->xattr_req)
- goto out;
+ return child;
+}
- if (xattr_req && (xattr_req != local->xattr_req))
- dict_copy (xattr_req, local->xattr_req);
+static int32_t
+afr_least_latency_child(afr_private_t *priv, unsigned char *readable)
+{
+ int32_t i = 0;
+ int child = -1;
- ret = afr_xattr_req_prepare (this, local->xattr_req);
+ for (i = 0; i < priv->child_count; i++) {
+ if (AFR_IS_ARBITER_BRICK(priv, i) || !readable[i] ||
+ priv->child_latency[i] < 0)
+ continue;
- ret = dict_set_uint64 (local->xattr_req, GLUSTERFS_INODELK_COUNT, 0);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "%s: Unable to set dict value for %s",
- loc->path, GLUSTERFS_INODELK_COUNT);
- }
- ret = dict_set_uint64 (local->xattr_req, GLUSTERFS_ENTRYLK_COUNT, 0);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "%s: Unable to set dict value for %s",
- loc->path, GLUSTERFS_ENTRYLK_COUNT);
+ if (child == -1 ||
+ priv->child_latency[i] < priv->child_latency[child]) {
+ child = i;
}
+ }
+ return child;
+}
- ret = dict_set_uint32 (local->xattr_req, GLUSTERFS_PARENT_ENTRYLK, 0);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "%s: Unable to set dict value for %s",
- loc->path, GLUSTERFS_PARENT_ENTRYLK);
- }
+static int32_t
+afr_least_latency_times_pending_reads_child(afr_private_t *priv,
+ unsigned char *readable)
+{
+ int32_t i = 0;
+ int child = -1;
+ int64_t pending_read = 0;
+ int64_t latency = -1;
+ int64_t least_latency = -1;
- ret = dict_set_str (local->xattr_req, "link-count",
- GF_XATTROP_INDEX_COUNT);
- if (ret) {
- gf_msg_debug (this->name, -ret,
- "Unable to set link-count in dict ");
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (AFR_IS_ARBITER_BRICK(priv, i) || !readable[i] ||
+ priv->child_latency[i] < 0)
+ continue;
- ret = 0;
-out:
- return ret;
-}
+ pending_read = GF_ATOMIC_GET(priv->pending_reads[i]);
+ latency = (pending_read + 1) * priv->child_latency[i];
-int
-afr_least_pending_reads_child (afr_private_t *priv)
-{
- int i = 0;
- int child = 0;
- int64_t read_iter = -1;
- int64_t pending_read = -1;
-
- pending_read = GF_ATOMIC_GET (priv->pending_reads[0]);
- for (i = 1; i < priv->child_count; i++) {
- if (AFR_IS_ARBITER_BRICK(priv, i))
- continue;
- read_iter = GF_ATOMIC_GET(priv->pending_reads[i]);
- if (read_iter < pending_read) {
- pending_read = read_iter;
- child = i;
- }
+ if (child == -1 || latency < least_latency) {
+ least_latency = latency;
+ child = i;
}
-
- return child;
+ }
+ return child;
}
int
-afr_hash_child (afr_read_subvol_args_t *args, afr_private_t *priv)
-{
- uuid_t gfid_copy = {0,};
- pid_t pid;
- int child = -1;
-
- switch (priv->hash_mode) {
- case 0:
- break;
- case 1:
- gf_uuid_copy (gfid_copy, args->gfid);
- child = SuperFastHash((char *)gfid_copy,
- sizeof(gfid_copy)) % priv->child_count;
- break;
- case 2:
- if (args->ia_type != IA_IFDIR) {
- /*
- * Why getpid? Because it's one of the cheapest calls
- * available - faster than gethostname etc. - and
- * returns a constant-length value that's sure to be
- * shorter than a UUID. It's still very unlikely to be
- * the same across clients, so it still provides good
- * mixing. We're not trying for perfection here. All we
- * need is a low probability that multiple clients
- * won't converge on the same subvolume.
- */
- pid = getpid();
- memcpy (gfid_copy, &pid, sizeof(pid));
- }
- child = SuperFastHash((char *)gfid_copy,
- sizeof(gfid_copy)) % priv->child_count;
- break;
- case 3:
- child = afr_least_pending_reads_child (priv);
- break;
- }
-
- return child;
+afr_hash_child(afr_read_subvol_args_t *args, afr_private_t *priv,
+ unsigned char *readable)
+{
+ uuid_t gfid_copy = {
+ 0,
+ };
+ pid_t pid;
+ int child = -1;
+
+ switch (priv->hash_mode) {
+ case AFR_READ_POLICY_FIRST_UP:
+ break;
+ case AFR_READ_POLICY_GFID_HASH:
+ gf_uuid_copy(gfid_copy, args->gfid);
+ child = SuperFastHash((char *)gfid_copy, sizeof(gfid_copy)) %
+ priv->child_count;
+ break;
+ case AFR_READ_POLICY_GFID_PID_HASH:
+ if (args->ia_type != IA_IFDIR) {
+ /*
+ * Why getpid? Because it's one of the cheapest calls
+ * available - faster than gethostname etc. - and
+ * returns a constant-length value that's sure to be
+ * shorter than a UUID. It's still very unlikely to be
+ * the same across clients, so it still provides good
+ * mixing. We're not trying for perfection here. All we
+ * need is a low probability that multiple clients
+ * won't converge on the same subvolume.
+ */
+ gf_uuid_copy(gfid_copy, args->gfid);
+ pid = getpid();
+ *(pid_t *)gfid_copy ^= pid;
+ }
+ child = SuperFastHash((char *)gfid_copy, sizeof(gfid_copy)) %
+ priv->child_count;
+ break;
+ case AFR_READ_POLICY_LESS_LOAD:
+ child = afr_least_pending_reads_child(priv, readable);
+ break;
+ case AFR_READ_POLICY_LEAST_LATENCY:
+ child = afr_least_latency_child(priv, readable);
+ break;
+ case AFR_READ_POLICY_LOAD_LATENCY_HYBRID:
+ child = afr_least_latency_times_pending_reads_child(priv, readable);
+ break;
+ }
+
+ return child;
}
int
-afr_read_subvol_select_by_policy (inode_t *inode, xlator_t *this,
- unsigned char *readable,
- afr_read_subvol_args_t *args)
+afr_read_subvol_select_by_policy(inode_t *inode, xlator_t *this,
+ unsigned char *readable,
+ afr_read_subvol_args_t *args)
{
- int i = 0;
- int read_subvol = -1;
- afr_private_t *priv = NULL;
- afr_read_subvol_args_t local_args = {0,};
+ int i = 0;
+ int read_subvol = -1;
+ afr_private_t *priv = NULL;
+ afr_read_subvol_args_t local_args = {
+ 0,
+ };
- priv = this->private;
+ priv = this->private;
- /* first preference - explicitly specified or local subvolume */
- if (priv->read_child >= 0 && readable[priv->read_child])
- return priv->read_child;
+ /* first preference - explicitly specified or local subvolume */
+ if (priv->read_child >= 0 && readable[priv->read_child])
+ return priv->read_child;
- if (inode_is_linked (inode)) {
- gf_uuid_copy (local_args.gfid, inode->gfid);
- local_args.ia_type = inode->ia_type;
- } else if (args) {
- local_args = *args;
- }
+ if (inode_is_linked(inode)) {
+ gf_uuid_copy(local_args.gfid, inode->gfid);
+ local_args.ia_type = inode->ia_type;
+ } else if (args) {
+ local_args = *args;
+ }
- /* second preference - use hashed mode */
- read_subvol = afr_hash_child (&local_args, priv);
- if (read_subvol >= 0 && readable[read_subvol])
- return read_subvol;
+ /* second preference - use hashed mode */
+ read_subvol = afr_hash_child(&local_args, priv, readable);
+ if (read_subvol >= 0 && readable[read_subvol])
+ return read_subvol;
- for (i = 0; i < priv->child_count; i++) {
- if (readable[i])
- return i;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (readable[i])
+ return i;
+ }
- /* no readable subvolumes, either split brain or all subvols down */
+ /* no readable subvolumes, either split brain or all subvols down */
- return -1;
+ return -1;
}
-
int
-afr_inode_read_subvol_type_get (inode_t *inode, xlator_t *this,
- unsigned char *readable, int *event_p,
- int type)
+afr_inode_read_subvol_type_get(inode_t *inode, xlator_t *this,
+ unsigned char *readable, int *event_p, int type)
{
- int ret = -1;
+ int ret = -1;
- if (type == AFR_METADATA_TRANSACTION)
- ret = afr_inode_read_subvol_get (inode, this, 0, readable,
- event_p);
- else
- ret = afr_inode_read_subvol_get (inode, this, readable, 0,
- event_p);
- return ret;
+ if (type == AFR_METADATA_TRANSACTION)
+ ret = afr_inode_read_subvol_get(inode, this, 0, readable, event_p);
+ else
+ ret = afr_inode_read_subvol_get(inode, this, readable, 0, event_p);
+ return ret;
}
void
-afr_readables_intersect_get (inode_t *inode, xlator_t *this, int *event,
- unsigned char *intersection)
+afr_readables_intersect_get(inode_t *inode, xlator_t *this, int *event,
+ unsigned char *intersection)
{
- afr_private_t *priv = NULL;
- unsigned char *data_readable = NULL;
- unsigned char *metadata_readable = NULL;
- unsigned char *intersect = NULL;
+ afr_private_t *priv = NULL;
+ unsigned char *data_readable = NULL;
+ unsigned char *metadata_readable = NULL;
+ unsigned char *intersect = NULL;
- priv = this->private;
- data_readable = alloca0 (priv->child_count);
- metadata_readable = alloca0 (priv->child_count);
- intersect = alloca0 (priv->child_count);
+ priv = this->private;
+ data_readable = alloca0(priv->child_count);
+ metadata_readable = alloca0(priv->child_count);
+ intersect = alloca0(priv->child_count);
- afr_inode_read_subvol_get (inode, this, data_readable,
- metadata_readable, event);
+ afr_inode_read_subvol_get(inode, this, data_readable, metadata_readable,
+ event);
- AFR_INTERSECT (intersect, data_readable, metadata_readable,
- priv->child_count);
- if (intersection)
- memcpy (intersection, intersect,
- sizeof (*intersection) * priv->child_count);
+ AFR_INTERSECT(intersect, data_readable, metadata_readable,
+ priv->child_count);
+ if (intersection)
+ memcpy(intersection, intersect,
+ sizeof(*intersection) * priv->child_count);
}
int
-afr_read_subvol_get (inode_t *inode, xlator_t *this, int *subvol_p,
- unsigned char *readables,
- int *event_p, afr_transaction_type type,
- afr_read_subvol_args_t *args)
+afr_read_subvol_get(inode_t *inode, xlator_t *this, int *subvol_p,
+ unsigned char *readables, int *event_p,
+ afr_transaction_type type, afr_read_subvol_args_t *args)
{
- afr_private_t *priv = NULL;
- unsigned char *readable = NULL;
- unsigned char *intersection = NULL;
- int subvol = -1;
- int event = 0;
+ afr_private_t *priv = NULL;
+ unsigned char *readable = NULL;
+ unsigned char *intersection = NULL;
+ int subvol = -1;
+ int event = 0;
- priv = this->private;
+ priv = this->private;
- readable = alloca0 (priv->child_count);
- intersection = alloca0 (priv->child_count);
+ readable = alloca0(priv->child_count);
+ intersection = alloca0(priv->child_count);
- afr_inode_read_subvol_type_get (inode, this, readable, &event, type);
+ afr_inode_read_subvol_type_get(inode, this, readable, &event, type);
- afr_readables_intersect_get (inode, this, &event, intersection);
+ afr_readables_intersect_get(inode, this, &event, intersection);
- if (AFR_COUNT (intersection, priv->child_count) > 0)
- subvol = afr_read_subvol_select_by_policy (inode, this,
- intersection, args);
- else
- subvol = afr_read_subvol_select_by_policy (inode, this,
- readable, args);
- if (subvol_p)
- *subvol_p = subvol;
- if (event_p)
- *event_p = event;
- if (readables)
- memcpy (readables, readable,
- sizeof (*readables) * priv->child_count);
- return subvol;
+ if (AFR_COUNT(intersection, priv->child_count) > 0)
+ subvol = afr_read_subvol_select_by_policy(inode, this, intersection,
+ args);
+ else
+ subvol = afr_read_subvol_select_by_policy(inode, this, readable, args);
+ if (subvol_p)
+ *subvol_p = subvol;
+ if (event_p)
+ *event_p = event;
+ if (readables)
+ memcpy(readables, readable, sizeof(*readables) * priv->child_count);
+ return subvol;
}
-
void
-afr_local_transaction_cleanup (afr_local_t *local, xlator_t *this)
+afr_local_transaction_cleanup(afr_local_t *local, xlator_t *this)
{
- afr_private_t *priv = NULL;
- int i = 0;
-
- priv = this->private;
+ afr_private_t *priv = NULL;
+ int i = 0;
- afr_matrix_cleanup (local->pending, priv->child_count);
+ priv = this->private;
- GF_FREE (local->internal_lock.locked_nodes);
+ afr_matrix_cleanup(local->pending, priv->child_count);
- GF_FREE (local->internal_lock.lower_locked_nodes);
+ GF_FREE(local->internal_lock.lower_locked_nodes);
- afr_entry_lockee_cleanup (&local->internal_lock);
+ afr_lockees_cleanup(&local->internal_lock);
- GF_FREE (local->transaction.pre_op);
+ GF_FREE(local->transaction.pre_op);
- GF_FREE (local->transaction.pre_op_sources);
- if (local->transaction.changelog_xdata) {
- for (i = 0; i < priv->child_count; i++) {
- if (!local->transaction.changelog_xdata[i])
- continue;
- dict_unref (local->transaction.changelog_xdata[i]);
- }
- GF_FREE (local->transaction.changelog_xdata);
+ GF_FREE(local->transaction.pre_op_sources);
+ if (local->transaction.changelog_xdata) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->transaction.changelog_xdata[i])
+ continue;
+ dict_unref(local->transaction.changelog_xdata[i]);
}
+ GF_FREE(local->transaction.changelog_xdata);
+ }
- GF_FREE (local->transaction.failed_subvols);
-
- GF_FREE (local->transaction.basename);
- GF_FREE (local->transaction.new_basename);
+ GF_FREE(local->transaction.failed_subvols);
- loc_wipe (&local->transaction.parent_loc);
- loc_wipe (&local->transaction.new_parent_loc);
+ GF_FREE(local->transaction.basename);
+ GF_FREE(local->transaction.new_basename);
+ loc_wipe(&local->transaction.parent_loc);
+ loc_wipe(&local->transaction.new_parent_loc);
}
void
-afr_reply_wipe (struct afr_reply *reply)
+afr_reply_wipe(struct afr_reply *reply)
{
- if (reply->xdata) {
- dict_unref (reply->xdata);
- reply->xdata = NULL;
- }
+ if (reply->xdata) {
+ dict_unref(reply->xdata);
+ reply->xdata = NULL;
+ }
- if (reply->xattr) {
- dict_unref (reply->xattr);
- reply->xattr = NULL;
- }
+ if (reply->xattr) {
+ dict_unref(reply->xattr);
+ reply->xattr = NULL;
+ }
}
void
-afr_replies_wipe (struct afr_reply *replies, int count)
+afr_replies_wipe(struct afr_reply *replies, int count)
{
- int i = 0;
+ int i = 0;
- for (i = 0; i < count; i++) {
- afr_reply_wipe (&replies[i]);
- }
+ for (i = 0; i < count; i++) {
+ afr_reply_wipe(&replies[i]);
+ }
}
void
-afr_local_replies_wipe (afr_local_t *local, afr_private_t *priv)
+afr_local_replies_wipe(afr_local_t *local, afr_private_t *priv)
{
+ if (!local->replies)
+ return;
- if (!local->replies)
- return;
-
- afr_replies_wipe (local->replies, priv->child_count);
+ afr_replies_wipe(local->replies, priv->child_count);
- memset (local->replies, 0, sizeof(*local->replies) * priv->child_count);
+ memset(local->replies, 0, sizeof(*local->replies) * priv->child_count);
}
static gf_boolean_t
-afr_fop_lock_is_unlock (call_frame_t *frame)
+afr_fop_lock_is_unlock(call_frame_t *frame)
{
- afr_local_t *local = frame->local;
- switch (local->op) {
+ afr_local_t *local = frame->local;
+ switch (local->op) {
case GF_FOP_INODELK:
case GF_FOP_FINODELK:
- if ((F_UNLCK == local->cont.inodelk.in_flock.l_type) &&
- (local->cont.inodelk.in_cmd == F_SETLKW ||
- local->cont.inodelk.in_cmd == F_SETLK))
- return _gf_true;
- break;
+ if ((F_UNLCK == local->cont.inodelk.in_flock.l_type) &&
+ (local->cont.inodelk.in_cmd == F_SETLKW ||
+ local->cont.inodelk.in_cmd == F_SETLK))
+ return _gf_true;
+ break;
case GF_FOP_ENTRYLK:
case GF_FOP_FENTRYLK:
- if (ENTRYLK_UNLOCK == local->cont.entrylk.in_cmd)
- return _gf_true;
- break;
+ if (ENTRYLK_UNLOCK == local->cont.entrylk.in_cmd)
+ return _gf_true;
+ break;
default:
- return _gf_false;
- }
- return _gf_false;
+ return _gf_false;
+ }
+ return _gf_false;
}
static gf_boolean_t
-afr_lk_is_unlock (int32_t cmd, struct gf_flock *flock)
+afr_lk_is_unlock(int32_t cmd, struct gf_flock *flock)
{
- switch (cmd) {
+ switch (cmd) {
case F_RESLK_UNLCK:
- return _gf_true;
- break;
+ return _gf_true;
+ break;
#if F_SETLKW != F_SETLKW64
case F_SETLKW64:
@@ -1945,573 +2548,573 @@ afr_lk_is_unlock (int32_t cmd, struct gf_flock *flock)
case F_SETLK64:
#endif
case F_SETLK:
- if (F_UNLCK == flock->l_type)
- return _gf_true;
- break;
+ if (F_UNLCK == flock->l_type)
+ return _gf_true;
+ break;
default:
- return _gf_false;
- }
- return _gf_false;
+ return _gf_false;
+ }
+ return _gf_false;
}
void
-afr_handle_inconsistent_fop (call_frame_t *frame, int32_t *op_ret,
- int32_t *op_errno)
+afr_handle_inconsistent_fop(call_frame_t *frame, int32_t *op_ret,
+ int32_t *op_errno)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
- if (!frame || !frame->this || !frame->local || !frame->this->private)
- return;
+ if (!frame || !frame->this || !frame->local || !frame->this->private)
+ return;
- if (*op_ret < 0)
- return;
+ if (*op_ret < 0)
+ return;
- /* Failing inodelk/entrylk/lk here is not a good idea because we
- * need to cleanup the locks on the other bricks if we choose to fail
- * the fop here. The brick may go down just after unwind happens as well
- * so anyways the fop will fail when the next fop is sent so leaving
- * it like this for now.*/
- local = frame->local;
- switch (local->op) {
+ /* Failing inodelk/entrylk/lk here is not a good idea because we
+ * need to cleanup the locks on the other bricks if we choose to fail
+ * the fop here. The brick may go down just after unwind happens as well
+ * so anyways the fop will fail when the next fop is sent so leaving
+ * it like this for now.*/
+ local = frame->local;
+ switch (local->op) {
case GF_FOP_LOOKUP:
case GF_FOP_INODELK:
case GF_FOP_FINODELK:
case GF_FOP_ENTRYLK:
case GF_FOP_FENTRYLK:
case GF_FOP_LK:
- return;
+ return;
default:
- break;
- }
+ break;
+ }
- priv = frame->this->private;
- if (!priv->consistent_io)
- return;
+ priv = frame->this->private;
+ if (!priv->consistent_io)
+ return;
- if (local->event_generation &&
- (local->event_generation != priv->event_generation))
- goto inconsistent;
+ if (local->event_generation &&
+ (local->event_generation != priv->event_generation))
+ goto inconsistent;
- return;
+ return;
inconsistent:
- *op_ret = -1;
- *op_errno = ENOTCONN;
+ *op_ret = -1;
+ *op_errno = ENOTCONN;
}
void
-afr_local_cleanup (afr_local_t *local, xlator_t *this)
+afr_local_cleanup(afr_local_t *local, xlator_t *this)
{
- afr_private_t * priv = NULL;
+ afr_private_t *priv = NULL;
- if (!local)
- return;
+ if (!local)
+ return;
- syncbarrier_destroy (&local->barrier);
+ syncbarrier_destroy(&local->barrier);
- afr_local_transaction_cleanup (local, this);
+ afr_local_transaction_cleanup(local, this);
- priv = this->private;
+ priv = this->private;
- loc_wipe (&local->loc);
- loc_wipe (&local->newloc);
+ loc_wipe(&local->loc);
+ loc_wipe(&local->newloc);
- if (local->fd)
- fd_unref (local->fd);
+ if (local->fd)
+ fd_unref(local->fd);
- if (local->xattr_req)
- dict_unref (local->xattr_req);
+ if (local->xattr_req)
+ dict_unref(local->xattr_req);
- if (local->xattr_rsp)
- dict_unref (local->xattr_rsp);
+ if (local->xattr_rsp)
+ dict_unref(local->xattr_rsp);
- if (local->dict)
- dict_unref (local->dict);
+ if (local->dict)
+ dict_unref(local->dict);
- afr_local_replies_wipe (local, priv);
- GF_FREE(local->replies);
+ afr_local_replies_wipe(local, priv);
+ GF_FREE(local->replies);
- GF_FREE (local->child_up);
+ GF_FREE(local->child_up);
- GF_FREE (local->read_attempted);
+ GF_FREE(local->read_attempted);
+
+ GF_FREE(local->readable);
+ GF_FREE(local->readable2);
+
+ if (local->inode)
+ inode_unref(local->inode);
- GF_FREE (local->readable);
- GF_FREE (local->readable2);
+ if (local->parent)
+ inode_unref(local->parent);
- if (local->inode)
- inode_unref (local->inode);
+ if (local->parent2)
+ inode_unref(local->parent2);
- if (local->parent)
- inode_unref (local->parent);
+ if (local->refreshinode)
+ inode_unref(local->refreshinode);
- if (local->parent2)
- inode_unref (local->parent2);
+ { /* getxattr */
+ GF_FREE(local->cont.getxattr.name);
+ }
- if (local->refreshinode)
- inode_unref (local->refreshinode);
+ { /* lk */
+ GF_FREE(local->cont.lk.locked_nodes);
+ GF_FREE(local->cont.lk.dom_locked_nodes);
+ GF_FREE(local->cont.lk.dom_lock_op_ret);
+ GF_FREE(local->cont.lk.dom_lock_op_errno);
+ }
- { /* getxattr */
- GF_FREE (local->cont.getxattr.name);
- }
+ { /* create */
+ if (local->cont.create.fd)
+ fd_unref(local->cont.create.fd);
+ if (local->cont.create.params)
+ dict_unref(local->cont.create.params);
+ }
- { /* lk */
- GF_FREE (local->cont.lk.locked_nodes);
- }
+ { /* mknod */
+ if (local->cont.mknod.params)
+ dict_unref(local->cont.mknod.params);
+ }
- { /* create */
- if (local->cont.create.fd)
- fd_unref (local->cont.create.fd);
- if (local->cont.create.params)
- dict_unref (local->cont.create.params);
- }
+ { /* mkdir */
+ if (local->cont.mkdir.params)
+ dict_unref(local->cont.mkdir.params);
+ }
- { /* mknod */
- if (local->cont.mknod.params)
- dict_unref (local->cont.mknod.params);
- }
-
- { /* mkdir */
- if (local->cont.mkdir.params)
- dict_unref (local->cont.mkdir.params);
- }
+ { /* symlink */
+ if (local->cont.symlink.params)
+ dict_unref(local->cont.symlink.params);
+ }
- { /* symlink */
- if (local->cont.symlink.params)
- dict_unref (local->cont.symlink.params);
- }
+ { /* writev */
+ GF_FREE(local->cont.writev.vector);
+ if (local->cont.writev.iobref)
+ iobref_unref(local->cont.writev.iobref);
+ }
- { /* writev */
- GF_FREE (local->cont.writev.vector);
- if (local->cont.writev.iobref)
- iobref_unref (local->cont.writev.iobref);
- }
+ { /* setxattr */
+ if (local->cont.setxattr.dict)
+ dict_unref(local->cont.setxattr.dict);
+ }
- { /* setxattr */
- if (local->cont.setxattr.dict)
- dict_unref (local->cont.setxattr.dict);
- }
+ { /* fsetxattr */
+ if (local->cont.fsetxattr.dict)
+ dict_unref(local->cont.fsetxattr.dict);
+ }
- { /* fsetxattr */
- if (local->cont.fsetxattr.dict)
- dict_unref (local->cont.fsetxattr.dict);
- }
-
- { /* removexattr */
- GF_FREE (local->cont.removexattr.name);
- }
- { /* xattrop */
- if (local->cont.xattrop.xattr)
- dict_unref (local->cont.xattrop.xattr);
- }
- { /* symlink */
- GF_FREE (local->cont.symlink.linkpath);
- }
+ { /* removexattr */
+ GF_FREE(local->cont.removexattr.name);
+ }
+ { /* xattrop */
+ if (local->cont.xattrop.xattr)
+ dict_unref(local->cont.xattrop.xattr);
+ }
+ { /* symlink */
+ GF_FREE(local->cont.symlink.linkpath);
+ }
- { /* opendir */
- GF_FREE (local->cont.opendir.checksum);
- }
-
- { /* open */
- if (local->cont.open.fd)
- fd_unref (local->cont.open.fd);
- }
-
- { /* readdirp */
- if (local->cont.readdir.dict)
- dict_unref (local->cont.readdir.dict);
- }
-
- { /* inodelk */
- GF_FREE (local->cont.inodelk.volume);
- if (local->cont.inodelk.xdata)
- dict_unref (local->cont.inodelk.xdata);
- }
-
- { /* entrylk */
- GF_FREE (local->cont.entrylk.volume);
- GF_FREE (local->cont.entrylk.basename);
- if (local->cont.entrylk.xdata)
- dict_unref (local->cont.entrylk.xdata);
- }
-
- if (local->xdata_req)
- dict_unref (local->xdata_req);
-
- if (local->xdata_rsp)
- dict_unref (local->xdata_rsp);
+ { /* opendir */
+ GF_FREE(local->cont.opendir.checksum);
+ }
+
+ { /* open */
+ if (local->cont.open.fd)
+ fd_unref(local->cont.open.fd);
+ }
+
+ { /* readdirp */
+ if (local->cont.readdir.dict)
+ dict_unref(local->cont.readdir.dict);
+ }
+
+ { /* inodelk */
+ GF_FREE(local->cont.inodelk.volume);
+ if (local->cont.inodelk.xdata)
+ dict_unref(local->cont.inodelk.xdata);
+ }
+
+ { /* entrylk */
+ GF_FREE(local->cont.entrylk.volume);
+ GF_FREE(local->cont.entrylk.basename);
+ if (local->cont.entrylk.xdata)
+ dict_unref(local->cont.entrylk.xdata);
+ }
+
+ if (local->xdata_req)
+ dict_unref(local->xdata_req);
+
+ if (local->xdata_rsp)
+ dict_unref(local->xdata_rsp);
}
-
int
-afr_frame_return (call_frame_t *frame)
+afr_frame_return(call_frame_t *frame)
{
- afr_local_t *local = NULL;
- int call_count = 0;
+ afr_local_t *local = NULL;
+ int call_count = 0;
- local = frame->local;
+ local = frame->local;
- LOCK (&frame->lock);
- {
- call_count = --local->call_count;
- }
- UNLOCK (&frame->lock);
+ LOCK(&frame->lock);
+ {
+ call_count = --local->call_count;
+ }
+ UNLOCK(&frame->lock);
- return call_count;
+ return call_count;
}
-static char *afr_ignore_xattrs[] = {
- GF_SELINUX_XATTR_KEY,
- QUOTA_SIZE_KEY,
- NULL
-};
+static char *afr_ignore_xattrs[] = {GF_SELINUX_XATTR_KEY, QUOTA_SIZE_KEY, NULL};
gf_boolean_t
-afr_is_xattr_ignorable (char *key)
+afr_is_xattr_ignorable(char *key)
{
- int i = 0;
+ int i = 0;
- if (!strncmp (key, AFR_XATTR_PREFIX, strlen(AFR_XATTR_PREFIX)))
- return _gf_true;
- for (i = 0; afr_ignore_xattrs[i]; i++) {
- if (!strcmp (key, afr_ignore_xattrs[i]))
- return _gf_true;
- }
- return _gf_false;
+ if (!strncmp(key, AFR_XATTR_PREFIX, SLEN(AFR_XATTR_PREFIX)))
+ return _gf_true;
+ for (i = 0; afr_ignore_xattrs[i]; i++) {
+ if (!strcmp(key, afr_ignore_xattrs[i]))
+ return _gf_true;
+ }
+ return _gf_false;
}
static gf_boolean_t
-afr_xattr_match_needed (dict_t *this, char *key1, data_t *value1, void *data)
+afr_xattr_match_needed(dict_t *this, char *key1, data_t *value1, void *data)
{
- /* Ignore all non-disk (i.e. virtual) xattrs right away. */
- if (!gf_is_valid_xattr_namespace (key1))
- return _gf_false;
+ /* Ignore all non-disk (i.e. virtual) xattrs right away. */
+ if (!gf_is_valid_xattr_namespace(key1))
+ return _gf_false;
- /* Ignore on-disk xattrs that AFR doesn't need to heal. */
- if (!afr_is_xattr_ignorable (key1))
- return _gf_true;
+ /* Ignore on-disk xattrs that AFR doesn't need to heal. */
+ if (!afr_is_xattr_ignorable(key1))
+ return _gf_true;
- return _gf_false;
+ return _gf_false;
}
gf_boolean_t
-afr_xattrs_are_equal (dict_t *dict1, dict_t *dict2)
+afr_xattrs_are_equal(dict_t *dict1, dict_t *dict2)
{
- return are_dicts_equal (dict1, dict2, afr_xattr_match_needed, NULL);
+ return are_dicts_equal(dict1, dict2, afr_xattr_match_needed, NULL);
}
static int
-afr_get_parent_read_subvol (xlator_t *this, inode_t *parent,
- struct afr_reply *replies, unsigned char *readable)
+afr_get_parent_read_subvol(xlator_t *this, inode_t *parent,
+ struct afr_reply *replies, unsigned char *readable)
{
- int i = 0;
- int par_read_subvol = -1;
- int par_read_subvol_iter = -1;
- afr_private_t *priv = NULL;
+ int i = 0;
+ int par_read_subvol = -1;
+ int par_read_subvol_iter = -1;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- if (parent)
- par_read_subvol = afr_data_subvol_get (parent, this, NULL, NULL,
- NULL, NULL);
+ if (parent)
+ par_read_subvol = afr_data_subvol_get(parent, this, NULL, NULL, NULL,
+ NULL);
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
- if (replies[i].op_ret < 0)
- continue;
+ if (replies[i].op_ret < 0)
+ continue;
- if (par_read_subvol_iter == -1) {
- par_read_subvol_iter = i;
- continue;
- }
-
- if ((par_read_subvol_iter != par_read_subvol) && readable[i])
- par_read_subvol_iter = i;
-
- if (i == par_read_subvol)
- par_read_subvol_iter = i;
+ if (par_read_subvol_iter == -1) {
+ par_read_subvol_iter = i;
+ continue;
}
- /* At the end of the for-loop, the only reason why @par_read_subvol_iter
- * could be -1 is when this LOOKUP has failed on all sub-volumes.
- * So it is okay to send an arbitrary subvolume (0 in this case)
- * as parent read subvol.
- */
- if (par_read_subvol_iter == -1)
- par_read_subvol_iter = 0;
- return par_read_subvol_iter;
+ if ((par_read_subvol_iter != par_read_subvol) && readable[i])
+ par_read_subvol_iter = i;
+
+ if (i == par_read_subvol)
+ par_read_subvol_iter = i;
+ }
+ /* At the end of the for-loop, the only reason why @par_read_subvol_iter
+ * could be -1 is when this LOOKUP has failed on all sub-volumes.
+ * So it is okay to send an arbitrary subvolume (0 in this case)
+ * as parent read subvol.
+ */
+ if (par_read_subvol_iter == -1)
+ par_read_subvol_iter = 0;
+ return par_read_subvol_iter;
}
int
-afr_read_subvol_decide (inode_t *inode, xlator_t *this,
- afr_read_subvol_args_t *args, unsigned char *readable)
+afr_read_subvol_decide(inode_t *inode, xlator_t *this,
+ afr_read_subvol_args_t *args, unsigned char *readable)
{
- int event = 0;
- afr_private_t *priv = NULL;
- unsigned char *intersection = NULL;
+ int event = 0;
+ afr_private_t *priv = NULL;
+ unsigned char *intersection = NULL;
- priv = this->private;
- intersection = alloca0 (priv->child_count);
+ priv = this->private;
+ intersection = alloca0(priv->child_count);
- afr_readables_intersect_get (inode, this, &event, intersection);
+ afr_readables_intersect_get(inode, this, &event, intersection);
- if (AFR_COUNT (intersection, priv->child_count) <= 0) {
- /* TODO: If we have one brick with valid data_readable and
- * another with metadata_readable, try to send an iatt with
- * valid bits from both.*/
- return -1;
- }
+ if (AFR_COUNT(intersection, priv->child_count) <= 0) {
+ /* TODO: If we have one brick with valid data_readable and
+ * another with metadata_readable, try to send an iatt with
+ * valid bits from both.*/
+ return -1;
+ }
- memcpy (readable, intersection, sizeof (*readable) * priv->child_count);
+ memcpy(readable, intersection, sizeof(*readable) * priv->child_count);
- return afr_read_subvol_select_by_policy (inode, this, intersection,
- args);
+ return afr_read_subvol_select_by_policy(inode, this, intersection, args);
}
static inline int
-afr_first_up_child (call_frame_t *frame, xlator_t *this)
+afr_first_up_child(call_frame_t *frame, xlator_t *this)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++)
- if (local->replies[i].valid &&
- local->replies[i].op_ret == 0)
- return i;
- return -1;
+ for (i = 0; i < priv->child_count; i++)
+ if (local->replies[i].valid && local->replies[i].op_ret == 0)
+ return i;
+ return -1;
}
static void
-afr_attempt_readsubvol_set (call_frame_t *frame, xlator_t *this,
- unsigned char *success_replies,
- unsigned char *data_readable, int *read_subvol)
+afr_attempt_readsubvol_set(call_frame_t *frame, xlator_t *this,
+ unsigned char *success_replies,
+ unsigned char *data_readable, int *read_subvol)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int spb_choice = -1;
- int child_count = -1;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int spb_subvol = -1;
+ int child_count = -1;
- if (*read_subvol != -1)
- return;
+ if (*read_subvol != -1)
+ return;
- priv = this->private;
- local = frame->local;
- child_count = priv->child_count;
-
- afr_inode_split_brain_choice_get (local->inode, this,
- &spb_choice);
- if ((spb_choice >= 0) &&
- (AFR_COUNT(success_replies, child_count) == child_count)) {
- *read_subvol = spb_choice;
- } else if (!priv->quorum_count) {
- *read_subvol = afr_first_up_child (frame, this);
- } else if (priv->quorum_count &&
- afr_has_quorum (data_readable, this)) {
- /* read_subvol is guaranteed to be valid if we hit this path. */
- *read_subvol = afr_first_up_child (frame, this);
- } else {
- /* If quorum is enabled and we do not have a
- readable yet, it means all good copies are down.
- */
- local->op_ret = -1;
- local->op_errno = ENOTCONN;
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_READ_SUBVOL_ERROR, "no read "
- "subvols for %s", local->loc.path);
- }
- if (*read_subvol >= 0)
- dict_del (local->replies[*read_subvol].xdata, GF_CONTENT_KEY);
+ priv = this->private;
+ local = frame->local;
+ child_count = priv->child_count;
+
+ afr_split_brain_read_subvol_get(local->inode, this, frame, &spb_subvol);
+ if ((spb_subvol >= 0) &&
+ (AFR_COUNT(success_replies, child_count) == child_count)) {
+ *read_subvol = spb_subvol;
+ } else if (!priv->quorum_count ||
+ frame->root->pid == GF_CLIENT_PID_GLFS_HEAL) {
+ *read_subvol = afr_first_up_child(frame, this);
+ } else if (priv->quorum_count &&
+ afr_has_quorum(data_readable, this, NULL)) {
+ /* read_subvol is guaranteed to be valid if we hit this path. */
+ *read_subvol = afr_first_up_child(frame, this);
+ } else {
+ /* If quorum is enabled and we do not have a
+ readable yet, it means all good copies are down.
+ */
+ local->op_ret = -1;
+ local->op_errno = ENOTCONN;
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_READ_SUBVOL_ERROR,
+ "no read "
+ "subvols for %s",
+ local->loc.path);
+ }
+ if (*read_subvol >= 0)
+ dict_del_sizen(local->replies[*read_subvol].xdata, GF_CONTENT_KEY);
}
static void
-afr_lookup_done (call_frame_t *frame, xlator_t *this)
-{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = -1;
- int op_errno = 0;
- int read_subvol = 0;
- int par_read_subvol = 0;
- int ret = -1;
- unsigned char *readable = NULL;
- unsigned char *success_replies = NULL;
- int event = 0;
- struct afr_reply *replies = NULL;
- uuid_t read_gfid = {0, };
- gf_boolean_t locked_entry = _gf_false;
- gf_boolean_t can_interpret = _gf_true;
- inode_t *parent = NULL;
- ia_type_t ia_type = IA_INVAL;
- afr_read_subvol_args_t args = {0,};
- char *gfid_heal_msg = NULL;
-
- priv = this->private;
- local = frame->local;
- replies = local->replies;
- parent = local->loc.parent;
-
- locked_entry = afr_is_possibly_under_txn (AFR_ENTRY_TRANSACTION, local,
- this);
-
- readable = alloca0 (priv->child_count);
- success_replies = alloca0 (priv->child_count);
-
- afr_inode_read_subvol_get (parent, this, readable, NULL, &event);
- par_read_subvol = afr_get_parent_read_subvol (this, parent, replies,
- readable);
-
- /* First, check if we have a gfid-change from somewhere,
- If so, propagate that so that a fresh lookup can be
- issued
- */
- if (local->cont.lookup.needs_fresh_lookup) {
- local->op_ret = -1;
- local->op_errno = ESTALE;
- goto error;
- }
-
- op_errno = afr_final_errno (frame->local, this->private);
- local->op_errno = op_errno;
-
- read_subvol = -1;
- afr_fill_success_replies (local, priv, success_replies);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
-
- if (locked_entry && replies[i].op_ret == -1 &&
- replies[i].op_errno == ENOENT) {
- /* Second, check entry is still
- "underway" in creation */
- local->op_ret = -1;
- local->op_errno = ENOENT;
- goto error;
- }
-
- if (replies[i].op_ret == -1)
- continue;
-
- if (read_subvol == -1 || !readable[read_subvol]) {
- read_subvol = i;
- gf_uuid_copy (read_gfid, replies[i].poststat.ia_gfid);
- ia_type = replies[i].poststat.ia_type;
- local->op_ret = 0;
- }
- }
+afr_lookup_done(call_frame_t *frame, xlator_t *this)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = -1;
+ int op_errno = 0;
+ int read_subvol = 0;
+ int par_read_subvol = 0;
+ int ret = -1;
+ unsigned char *readable = NULL;
+ unsigned char *success_replies = NULL;
+ int event = 0;
+ struct afr_reply *replies = NULL;
+ uuid_t read_gfid = {
+ 0,
+ };
+ gf_boolean_t locked_entry = _gf_false;
+ gf_boolean_t in_flight_create = _gf_false;
+ gf_boolean_t can_interpret = _gf_true;
+ inode_t *parent = NULL;
+ ia_type_t ia_type = IA_INVAL;
+ afr_read_subvol_args_t args = {
+ 0,
+ };
+ char *gfid_heal_msg = NULL;
+
+ priv = this->private;
+ local = frame->local;
+ replies = local->replies;
+ parent = local->loc.parent;
+
+ locked_entry = afr_is_possibly_under_txn(AFR_ENTRY_TRANSACTION, local,
+ this);
+
+ readable = alloca0(priv->child_count);
+ success_replies = alloca0(priv->child_count);
+
+ afr_inode_read_subvol_get(parent, this, readable, NULL, &event);
+ par_read_subvol = afr_get_parent_read_subvol(this, parent, replies,
+ readable);
+
+ /* First, check if we have a gfid-change from somewhere,
+ If so, propagate that so that a fresh lookup can be
+ issued
+ */
+ if (local->cont.lookup.needs_fresh_lookup) {
+ local->op_ret = -1;
+ local->op_errno = ESTALE;
+ goto error;
+ }
- if (read_subvol == -1)
- goto error;
- /* We now have a read_subvol, which is readable[] (if there
- were any). Next we look for GFID mismatches. We don't
- consider a GFID mismatch as an error if read_subvol is
- readable[] but the mismatching GFID subvol is not.
- */
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1) {
- if (priv->child_up[i])
- can_interpret = _gf_false;
- continue;
- }
-
- if (!gf_uuid_compare (replies[i].poststat.ia_gfid, read_gfid))
- continue;
-
- can_interpret = _gf_false;
-
- if (locked_entry)
- continue;
-
- /* Now GFIDs mismatch. It's OK as long as this subvol
- is not readable[] but read_subvol is */
- if (readable[read_subvol] && !readable[i])
- continue;
-
- /* If we were called from glfsheal and there is still a gfid
- * mismatch, succeed the lookup and let glfsheal print the
- * response via gfid-heal-msg.*/
- if (!dict_get_str (local->xattr_req, "gfid-heal-msg",
- &gfid_heal_msg))
- goto cant_interpret;
-
- /* LOG ERROR */
- local->op_ret = -1;
- local->op_errno = EIO;
- goto error;
- }
-
- /* Forth, for the finalized GFID, pick the best subvolume
- to return stats from.
- */
- read_subvol = -1;
- memset (readable, 0, sizeof (*readable) * priv->child_count);
- if (can_interpret) {
- if (!afr_has_quorum (success_replies, this))
- goto cant_interpret;
- /* It is safe to call afr_replies_interpret() because we have
- a response from all the UP subvolumes and all of them resolved
- to the same GFID
- */
- gf_uuid_copy (args.gfid, read_gfid);
- args.ia_type = ia_type;
- ret = afr_replies_interpret (frame, this, local->inode, NULL);
- read_subvol = afr_read_subvol_decide (local->inode, this, &args,
- readable);
- if (read_subvol == -1)
- goto cant_interpret;
- if (ret) {
- afr_inode_event_gen_reset (local->inode, this);
- dict_del (local->replies[read_subvol].xdata,
- GF_CONTENT_KEY);
- }
- } else {
- cant_interpret:
- afr_attempt_readsubvol_set (frame, this, success_replies,
- readable, &read_subvol);
- if (read_subvol == -1) {
- goto error;
- }
- }
+ op_errno = afr_final_errno(frame->local, this->private);
+ local->op_errno = op_errno;
+
+ read_subvol = -1;
+ afr_fill_success_replies(local, priv, success_replies);
- afr_handle_quota_size (frame, this);
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
- afr_set_need_heal (this, local);
- if (AFR_IS_ARBITER_BRICK (priv, read_subvol) && local->op_ret == 0) {
- local->op_ret = -1;
- local->op_errno = ENOTCONN;
- gf_msg_debug(this->name, 0, "Arbiter cannot be a read subvol "
- "for %s", local->loc.path);
- goto error;
+ if (replies[i].op_ret == -1) {
+ if (locked_entry && replies[i].op_errno == ENOENT) {
+ in_flight_create = _gf_true;
+ }
+ continue;
}
- ret = dict_get_str (local->xattr_req, "gfid-heal-msg", &gfid_heal_msg);
- if (!ret) {
- ret = dict_set_str (local->replies[read_subvol].xdata,
- "gfid-heal-msg", gfid_heal_msg);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED,
- "Error setting gfid-heal-msg dict");
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- }
+ if (read_subvol == -1 || !readable[read_subvol]) {
+ read_subvol = i;
+ gf_uuid_copy(read_gfid, replies[i].poststat.ia_gfid);
+ ia_type = replies[i].poststat.ia_type;
+ local->op_ret = 0;
}
+ }
- AFR_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- local->inode, &local->replies[read_subvol].poststat,
- local->replies[read_subvol].xdata,
- &local->replies[par_read_subvol].postparent);
- return;
+ if (in_flight_create && !afr_has_quorum(success_replies, this, NULL)) {
+ local->op_ret = -1;
+ local->op_errno = ENOENT;
+ goto error;
+ }
+
+ if (read_subvol == -1)
+ goto error;
+ /* We now have a read_subvol, which is readable[] (if there
+ were any). Next we look for GFID mismatches. We don't
+ consider a GFID mismatch as an error if read_subvol is
+ readable[] but the mismatching GFID subvol is not.
+ */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1) {
+ continue;
+ }
+
+ if (!gf_uuid_compare(replies[i].poststat.ia_gfid, read_gfid))
+ continue;
+
+ can_interpret = _gf_false;
+
+ if (locked_entry)
+ continue;
+
+ /* Now GFIDs mismatch. It's OK as long as this subvol
+ is not readable[] but read_subvol is */
+ if (readable[read_subvol] && !readable[i])
+ continue;
+
+ /* If we were called from glfsheal and there is still a gfid
+ * mismatch, succeed the lookup and let glfsheal print the
+ * response via gfid-heal-msg.*/
+ if (!dict_get_str_sizen(local->xattr_req, "gfid-heal-msg",
+ &gfid_heal_msg))
+ goto cant_interpret;
+
+ /* LOG ERROR */
+ local->op_ret = -1;
+ local->op_errno = EIO;
+ goto error;
+ }
+
+ /* Forth, for the finalized GFID, pick the best subvolume
+ to return stats from.
+ */
+ read_subvol = -1;
+ memset(readable, 0, sizeof(*readable) * priv->child_count);
+ if (can_interpret) {
+ if (!afr_has_quorum(success_replies, this, NULL))
+ goto cant_interpret;
+ /* It is safe to call afr_replies_interpret() because we have
+ a response from all the UP subvolumes and all of them resolved
+ to the same GFID
+ */
+ gf_uuid_copy(args.gfid, read_gfid);
+ args.ia_type = ia_type;
+ ret = afr_replies_interpret(frame, this, local->inode, NULL);
+ read_subvol = afr_read_subvol_decide(local->inode, this, &args,
+ readable);
+ if (read_subvol == -1)
+ goto cant_interpret;
+ if (ret) {
+ afr_inode_need_refresh_set(local->inode, this);
+ dict_del_sizen(local->replies[read_subvol].xdata, GF_CONTENT_KEY);
+ }
+ } else {
+ cant_interpret:
+ afr_attempt_readsubvol_set(frame, this, success_replies, readable,
+ &read_subvol);
+ if (read_subvol == -1) {
+ goto error;
+ }
+ }
+
+ afr_handle_quota_size(frame, this);
+
+ afr_set_need_heal(this, local);
+ if (AFR_IS_ARBITER_BRICK(priv, read_subvol) && local->op_ret == 0) {
+ local->op_ret = -1;
+ local->op_errno = ENOTCONN;
+ gf_msg_debug(this->name, 0,
+ "Arbiter cannot be a read subvol "
+ "for %s",
+ local->loc.path);
+ goto error;
+ }
+
+ ret = dict_get_str_sizen(local->xattr_req, "gfid-heal-msg", &gfid_heal_msg);
+ if (!ret) {
+ ret = dict_set_str_sizen(local->replies[read_subvol].xdata,
+ "gfid-heal-msg", gfid_heal_msg);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_DICT_SET_FAILED,
+ "Error setting gfid-heal-msg dict");
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ }
+ }
+
+ AFR_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->replies[read_subvol].poststat,
+ local->replies[read_subvol].xdata,
+ &local->replies[par_read_subvol].postparent);
+ return;
error:
- AFR_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno, NULL,
- NULL, NULL, NULL);
+ AFR_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno, NULL, NULL,
+ NULL, NULL);
}
/*
@@ -2519,745 +3122,845 @@ error:
* others in that they must be given higher priority while
* returning to the user.
*
- * The hierarchy is ENODATA > ENOENT > ESTALE > others
+ * The hierarchy is ENODATA > ENOENT > ESTALE > ENOSPC others
*/
int
-afr_higher_errno (int32_t old_errno, int32_t new_errno)
+afr_higher_errno(int32_t old_errno, int32_t new_errno)
{
- if (old_errno == ENODATA || new_errno == ENODATA)
- return ENODATA;
- if (old_errno == ENOENT || new_errno == ENOENT)
- return ENOENT;
- if (old_errno == ESTALE || new_errno == ESTALE)
- return ESTALE;
+ if (old_errno == ENODATA || new_errno == ENODATA)
+ return ENODATA;
+ if (old_errno == ENOENT || new_errno == ENOENT)
+ return ENOENT;
+ if (old_errno == ESTALE || new_errno == ESTALE)
+ return ESTALE;
+ if (old_errno == ENOSPC || new_errno == ENOSPC)
+ return ENOSPC;
- return new_errno;
+ return new_errno;
}
-
int
-afr_final_errno (afr_local_t *local, afr_private_t *priv)
+afr_final_errno(afr_local_t *local, afr_private_t *priv)
{
- int i = 0;
- int op_errno = 0;
- int tmp_errno = 0;
+ int i = 0;
+ int op_errno = 0;
+ int tmp_errno = 0;
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
- if (local->replies[i].op_ret >= 0)
- continue;
- tmp_errno = local->replies[i].op_errno;
- op_errno = afr_higher_errno (op_errno, tmp_errno);
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+ if (local->replies[i].op_ret >= 0)
+ continue;
+ tmp_errno = local->replies[i].op_errno;
+ op_errno = afr_higher_errno(op_errno, tmp_errno);
+ }
- return op_errno;
+ return op_errno;
}
static int32_t
-afr_local_discovery_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict,
- dict_t *xdata)
-{
- int ret = 0;
- char *pathinfo = NULL;
- gf_boolean_t is_local = _gf_false;
- afr_private_t *priv = NULL;
- int32_t child_index = -1;
-
- if (op_ret != 0) {
- goto out;
- }
-
- priv = this->private;
- child_index = (int32_t)(long)cookie;
-
- ret = dict_get_str (dict, GF_XATTR_PATHINFO_KEY, &pathinfo);
- if (ret != 0) {
- goto out;
- }
-
- ret = glusterfs_is_local_pathinfo (pathinfo, &is_local);
- if (ret) {
- goto out;
- }
-
- /*
- * Note that one local subvolume will override another here. The only
- * way to avoid that would be to retain extra information about whether
- * the previous read_child is local, and it's just not worth it. Even
- * the slowest local subvolume is far preferable to a remote one.
- */
- if (is_local) {
- priv->local[child_index] = 1;
- /* Don't set arbiter as read child. */
- if (AFR_IS_ARBITER_BRICK(priv, child_index))
- goto out;
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_LOCAL_CHILD, "selecting local read_child %s",
- priv->children[child_index]->name);
-
- priv->read_child = child_index;
- }
+afr_local_discovery_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
+{
+ int ret = 0;
+ char *pathinfo = NULL;
+ gf_boolean_t is_local = _gf_false;
+ afr_private_t *priv = NULL;
+ int32_t child_index = -1;
+
+ if (op_ret != 0) {
+ goto out;
+ }
+
+ priv = this->private;
+ child_index = (int32_t)(long)cookie;
+
+ ret = dict_get_str_sizen(dict, GF_XATTR_PATHINFO_KEY, &pathinfo);
+ if (ret != 0) {
+ goto out;
+ }
+
+ ret = glusterfs_is_local_pathinfo(pathinfo, &is_local);
+ if (ret) {
+ goto out;
+ }
+
+ /*
+ * Note that one local subvolume will override another here. The only
+ * way to avoid that would be to retain extra information about whether
+ * the previous read_child is local, and it's just not worth it. Even
+ * the slowest local subvolume is far preferable to a remote one.
+ */
+ if (is_local) {
+ priv->local[child_index] = 1;
+ /* Don't set arbiter as read child. */
+ if (AFR_IS_ARBITER_BRICK(priv, child_index))
+ goto out;
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_LOCAL_CHILD,
+ "selecting local read_child %s",
+ priv->children[child_index]->name);
+
+ priv->read_child = child_index;
+ }
out:
- STACK_DESTROY(frame->root);
- return 0;
+ STACK_DESTROY(frame->root);
+ return 0;
}
static void
-afr_attempt_local_discovery (xlator_t *this, int32_t child_index)
+afr_attempt_local_discovery(xlator_t *this, int32_t child_index)
{
- call_frame_t *newframe = NULL;
- loc_t tmploc = {0,};
- afr_private_t *priv = this->private;
+ call_frame_t *newframe = NULL;
+ loc_t tmploc = {
+ 0,
+ };
+ afr_private_t *priv = this->private;
- newframe = create_frame(this,this->ctx->pool);
- if (!newframe) {
- return;
- }
+ newframe = create_frame(this, this->ctx->pool);
+ if (!newframe) {
+ return;
+ }
- tmploc.gfid[sizeof(tmploc.gfid)-1] = 1;
- STACK_WIND_COOKIE (newframe, afr_local_discovery_cbk,
- (void *)(long)child_index,
- priv->children[child_index],
- priv->children[child_index]->fops->getxattr,
- &tmploc, GF_XATTR_PATHINFO_KEY, NULL);
+ tmploc.gfid[sizeof(tmploc.gfid) - 1] = 1;
+ STACK_WIND_COOKIE(newframe, afr_local_discovery_cbk,
+ (void *)(long)child_index, priv->children[child_index],
+ priv->children[child_index]->fops->getxattr, &tmploc,
+ GF_XATTR_PATHINFO_KEY, NULL);
}
int
-afr_lookup_sh_metadata_wrap (void *opaque)
-{
- call_frame_t *frame = opaque;
- afr_local_t *local = NULL;
- xlator_t *this = NULL;
- inode_t *inode = NULL;
- afr_private_t *priv = NULL;
- struct afr_reply *replies = NULL;
- int i= 0, first = -1;
- int ret = -1;
- dict_t *dict = NULL;
+afr_lookup_sh_metadata_wrap(void *opaque)
+{
+ call_frame_t *frame = opaque;
+ afr_local_t *local = NULL;
+ xlator_t *this = NULL;
+ inode_t *inode = NULL;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
+ int i = 0, first = -1;
+ int ret = -1;
+ dict_t *dict = NULL;
+
+ local = frame->local;
+ this = frame->this;
+ priv = this->private;
+ replies = local->replies;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ first = i;
+ break;
+ }
+ if (first == -1)
+ goto out;
+
+ if (afr_selfheal_metadata_by_stbuf(this, &replies[first].poststat))
+ goto out;
+
+ afr_local_replies_wipe(local, this->private);
+
+ dict = dict_new();
+ if (!dict)
+ goto out;
+ if (local->xattr_req) {
+ dict_copy(local->xattr_req, dict);
+ }
+
+ ret = dict_set_sizen_str_sizen(dict, "link-count", GF_XATTROP_INDEX_COUNT);
+ if (ret) {
+ gf_msg_debug(this->name, -ret, "Unable to set link-count in dict ");
+ }
+
+ if (loc_is_nameless(&local->loc)) {
+ ret = afr_selfheal_unlocked_discover_on(frame, local->inode,
+ local->loc.gfid, local->replies,
+ local->child_up, dict);
+ } else {
+ inode = afr_selfheal_unlocked_lookup_on(frame, local->loc.parent,
+ local->loc.name, local->replies,
+ local->child_up, dict);
+ }
+ if (inode)
+ inode_unref(inode);
+out:
+ if (loc_is_nameless(&local->loc))
+ afr_discover_done(frame, this);
+ else
+ afr_lookup_done(frame, this);
- local = frame->local;
- this = frame->this;
- priv = this->private;
- replies = local->replies;
-
- for (i =0; i < priv->child_count; i++) {
- if(!replies[i].valid || replies[i].op_ret == -1)
- continue;
- first = i;
- break;
- }
- if (first == -1)
- goto out;
+ if (dict)
+ dict_unref(dict);
- if (afr_selfheal_metadata_by_stbuf (this, &replies[first].poststat))
- goto out;
+ return 0;
+}
- afr_local_replies_wipe (local, this->private);
+gf_boolean_t
+afr_is_pending_set(xlator_t *this, dict_t *xdata, int type)
+{
+ int idx = -1;
+ afr_private_t *priv = NULL;
+ void *pending_raw = NULL;
+ int *pending_int = NULL;
+ int i = 0;
- dict = dict_new ();
- if (!dict)
- goto out;
- ret = dict_set_str (dict, "link-count", GF_XATTROP_INDEX_COUNT);
- if (ret) {
- gf_msg_debug (this->name, -ret,
- "Unable to set link-count in dict ");
+ priv = this->private;
+ idx = afr_index_for_transaction_type(type);
+
+ if (dict_get_ptr(xdata, AFR_DIRTY, &pending_raw) == 0) {
+ if (pending_raw) {
+ pending_int = pending_raw;
+
+ if (ntoh32(pending_int[idx]))
+ return _gf_true;
}
+ }
- if (loc_is_nameless (&local->loc)) {
- ret = afr_selfheal_unlocked_discover_on (frame, local->inode,
- local->loc.gfid,
- local->replies,
- local->child_up);
- } else {
- inode = afr_selfheal_unlocked_lookup_on (frame,
- local->loc.parent,
- local->loc.name,
- local->replies,
- local->child_up, dict);
- }
- if (inode)
- inode_unref (inode);
-out:
- if (loc_is_nameless (&local->loc))
- afr_discover_done (frame, this);
- else
- afr_lookup_done (frame, this);
+ for (i = 0; i < priv->child_count; i++) {
+ if (dict_get_ptr(xdata, priv->pending_key[i], &pending_raw))
+ continue;
+ if (!pending_raw)
+ continue;
+ pending_int = pending_raw;
- if (dict)
- dict_unref (dict);
+ if (ntoh32(pending_int[idx]))
+ return _gf_true;
+ }
- return 0;
+ return _gf_false;
}
static gf_boolean_t
afr_can_start_metadata_self_heal(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- struct afr_reply *replies = NULL;
- int i = 0, first = -1;
- gf_boolean_t start = _gf_false;
- struct iatt stbuf = {0, };
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
+ int i = 0, first = -1;
+ gf_boolean_t start = _gf_false;
+ struct iatt stbuf = {
+ 0,
+ };
- local = frame->local;
- replies = local->replies;
- priv = this->private;
+ local = frame->local;
+ replies = local->replies;
+ priv = this->private;
- if (!priv->metadata_self_heal)
- return _gf_false;
+ if (!priv->metadata_self_heal)
+ return _gf_false;
- for (i = 0; i < priv->child_count; i++) {
- if(!replies[i].valid || replies[i].op_ret == -1)
- continue;
- if (first == -1) {
- first = i;
- stbuf = replies[i].poststat;
- continue;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ if (first == -1) {
+ first = i;
+ stbuf = replies[i].poststat;
+ continue;
+ }
- if (gf_uuid_compare (stbuf.ia_gfid, replies[i].poststat.ia_gfid)) {
- start = _gf_false;
- break;
- }
- if (!IA_EQUAL (stbuf, replies[i].poststat, type)) {
- start = _gf_false;
- break;
- }
+ if (afr_is_pending_set(this, replies[i].xdata,
+ AFR_METADATA_TRANSACTION)) {
+ /* Let shd do the heal so that lookup is not blocked
+ * on getting metadata lock/doing the heal */
+ start = _gf_false;
+ break;
+ }
- /*Check if iattrs need heal*/
- if ((!IA_EQUAL (stbuf, replies[i].poststat, uid)) ||
- (!IA_EQUAL (stbuf, replies[i].poststat, gid)) ||
- (!IA_EQUAL (stbuf, replies[i].poststat, prot))) {
- start = _gf_true;
- continue;
- }
+ if (gf_uuid_compare(stbuf.ia_gfid, replies[i].poststat.ia_gfid)) {
+ start = _gf_false;
+ break;
+ }
+ if (!IA_EQUAL(stbuf, replies[i].poststat, type)) {
+ start = _gf_false;
+ break;
+ }
- /*Check if xattrs need heal*/
- if (!afr_xattrs_are_equal (replies[first].xdata,
- replies[i].xdata))
- start = _gf_true;
+ /*Check if iattrs need heal*/
+ if ((!IA_EQUAL(stbuf, replies[i].poststat, uid)) ||
+ (!IA_EQUAL(stbuf, replies[i].poststat, gid)) ||
+ (!IA_EQUAL(stbuf, replies[i].poststat, prot))) {
+ start = _gf_true;
+ continue;
}
- return start;
+ /*Check if xattrs need heal*/
+ if (!afr_xattrs_are_equal(replies[first].xdata, replies[i].xdata))
+ start = _gf_true;
+ }
+
+ return start;
}
int
-afr_lookup_metadata_heal_check (call_frame_t *frame, xlator_t *this)
+afr_lookup_metadata_heal_check(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *heal = NULL;
- afr_local_t *local = NULL;
- int ret = 0;
+ call_frame_t *heal = NULL;
+ afr_local_t *local = NULL;
+ int ret = 0;
- local = frame->local;
- if (!afr_can_start_metadata_self_heal (frame, this))
- goto out;
+ local = frame->local;
+ if (!afr_can_start_metadata_self_heal(frame, this))
+ goto out;
- heal = afr_frame_create (this, &ret);
- if (!heal) {
- ret = -ret;
- goto out;
- }
+ heal = afr_frame_create(this, &ret);
+ if (!heal) {
+ ret = -ret;
+ goto out;
+ }
- ret = synctask_new (this->ctx->env, afr_lookup_sh_metadata_wrap,
- afr_refresh_selfheal_done, heal, frame);
- if (ret)
- goto out;
- return ret;
+ ret = synctask_new(this->ctx->env, afr_lookup_sh_metadata_wrap,
+ afr_refresh_selfheal_done, heal, frame);
+ if (ret)
+ goto out;
+ return ret;
out:
- if (loc_is_nameless (&local->loc))
- afr_discover_done (frame, this);
- else
- afr_lookup_done (frame, this);
- if (heal)
- AFR_STACK_DESTROY (heal);
- return ret;
+ if (loc_is_nameless(&local->loc))
+ afr_discover_done(frame, this);
+ else
+ afr_lookup_done(frame, this);
+ if (heal)
+ AFR_STACK_DESTROY(heal);
+ return ret;
}
int
-afr_lookup_selfheal_wrap (void *opaque)
+afr_lookup_selfheal_wrap(void *opaque)
{
- int ret = 0;
- call_frame_t *frame = opaque;
- afr_local_t *local = NULL;
- xlator_t *this = NULL;
- inode_t *inode = NULL;
- uuid_t pargfid = {0,};
+ int ret = 0;
+ call_frame_t *frame = opaque;
+ afr_local_t *local = NULL;
+ xlator_t *this = NULL;
+ inode_t *inode = NULL;
+ uuid_t pargfid = {
+ 0,
+ };
- local = frame->local;
- this = frame->this;
- loc_pargfid (&local->loc, pargfid);
+ local = frame->local;
+ this = frame->this;
+ loc_pargfid(&local->loc, pargfid);
- ret = afr_selfheal_name (frame->this, pargfid, local->loc.name,
- &local->cont.lookup.gfid_req, local->xattr_req);
- if (ret == -EIO)
- goto unwind;
+ ret = afr_selfheal_name(frame->this, pargfid, local->loc.name,
+ &local->cont.lookup.gfid_req, local->xattr_req);
+ if (ret == -EIO)
+ goto unwind;
- afr_local_replies_wipe (local, this->private);
+ afr_local_replies_wipe(local, this->private);
- inode = afr_selfheal_unlocked_lookup_on (frame, local->loc.parent,
- local->loc.name, local->replies,
- local->child_up, NULL);
- if (inode)
- inode_unref (inode);
+ inode = afr_selfheal_unlocked_lookup_on(frame, local->loc.parent,
+ local->loc.name, local->replies,
+ local->child_up, local->xattr_req);
+ if (inode)
+ inode_unref(inode);
- afr_lookup_metadata_heal_check(frame, this);
- return 0;
+ afr_lookup_metadata_heal_check(frame, this);
+ return 0;
unwind:
- AFR_STACK_UNWIND (lookup, frame, -1, EIO, NULL, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(lookup, frame, -1, EIO, NULL, NULL, NULL, NULL);
+ return 0;
}
int
-afr_lookup_entry_heal (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- call_frame_t *heal = NULL;
- int i = 0, first = -1;
- gf_boolean_t need_heal = _gf_false;
- struct afr_reply *replies = NULL;
- int ret = 0;
-
- local = frame->local;
- replies = local->replies;
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
-
- if ((replies[i].op_ret == -1) &&
- (replies[i].op_errno == ENODATA))
- need_heal = _gf_true;
-
- if (first == -1) {
- first = i;
- continue;
- }
-
- if (replies[i].op_ret != replies[first].op_ret) {
- need_heal = _gf_true;
- break;
- }
-
- if (gf_uuid_compare (replies[i].poststat.ia_gfid,
- replies[first].poststat.ia_gfid)) {
- need_heal = _gf_true;
- break;
- }
- }
-
- if (need_heal) {
- heal = afr_frame_create (this, NULL);
- if (!heal)
- goto metadata_heal;
-
- ret = synctask_new (this->ctx->env, afr_lookup_selfheal_wrap,
- afr_refresh_selfheal_done, heal, frame);
- if (ret) {
- AFR_STACK_DESTROY (heal);
- goto metadata_heal;
- }
- return ret;
- }
-metadata_heal:
- ret = afr_lookup_metadata_heal_check (frame, this);
+afr_lookup_entry_heal(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ call_frame_t *heal = NULL;
+ int i = 0, first = -1;
+ gf_boolean_t name_state_mismatch = _gf_false;
+ struct afr_reply *replies = NULL;
+ int ret = 0;
+ unsigned char *par_readables = NULL;
+ unsigned char *success = NULL;
+ int32_t op_errno = 0;
+ uuid_t gfid = {0};
+
+ local = frame->local;
+ replies = local->replies;
+ priv = this->private;
+ par_readables = alloca0(priv->child_count);
+ success = alloca0(priv->child_count);
+
+ ret = afr_inode_read_subvol_get(local->loc.parent, this, par_readables,
+ NULL, NULL);
+ if (ret < 0 || AFR_COUNT(par_readables, priv->child_count) == 0) {
+ /* In this case set par_readables to all 1 so that name_heal
+ * need checks at the end of this function will flag missing
+ * entry when name state mismatches*/
+ memset(par_readables, 1, priv->child_count);
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
+
+ if (replies[i].op_ret == 0) {
+ if (gf_uuid_is_null(gfid)) {
+ gf_uuid_copy(gfid, replies[i].poststat.ia_gfid);
+ }
+ success[i] = 1;
+ } else {
+ if ((replies[i].op_errno != ENOTCONN) &&
+ (replies[i].op_errno != ENOENT) &&
+ (replies[i].op_errno != ESTALE)) {
+ op_errno = replies[i].op_errno;
+ }
+ }
- return ret;
-}
+ /*gfid is missing, needs heal*/
+ if ((replies[i].op_ret == -1) && (replies[i].op_errno == ENODATA)) {
+ goto name_heal;
+ }
+ if (first == -1) {
+ first = i;
+ continue;
+ }
-int
-afr_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode, struct iatt *buf,
- dict_t *xdata, struct iatt *postparent)
-{
- afr_local_t * local = NULL;
- int call_count = -1;
- int child_index = -1;
- GF_UNUSED int ret = 0;
- int8_t need_heal = 1;
-
- child_index = (long) cookie;
-
- local = frame->local;
-
- local->replies[child_index].valid = 1;
- local->replies[child_index].op_ret = op_ret;
- local->replies[child_index].op_errno = op_errno;
- /*
- * On revalidate lookup if the gfid-changed, afr should unwind the fop
- * with ESTALE so that a fresh lookup will be sent by the top xlator.
- * So remember it.
- */
- if (xdata && dict_get (xdata, "gfid-changed"))
- local->cont.lookup.needs_fresh_lookup = _gf_true;
+ if (replies[i].op_ret != replies[first].op_ret) {
+ name_state_mismatch = _gf_true;
+ }
- if (xdata) {
- ret = dict_get_int8 (xdata, "link-count", &need_heal);
- local->replies[child_index].need_heal = need_heal;
- } else {
- local->replies[child_index].need_heal = need_heal;
+ if (replies[i].op_ret == 0) {
+ /* Rename after this lookup may succeed if we don't do
+ * a name-heal and the destination may not have pending xattrs
+ * to indicate which name is good and which is bad so always do
+ * this heal*/
+ if (gf_uuid_compare(replies[i].poststat.ia_gfid, gfid)) {
+ goto name_heal;
+ }
}
- if (op_ret != -1) {
- local->replies[child_index].poststat = *buf;
- local->replies[child_index].postparent = *postparent;
- if (xdata)
- local->replies[child_index].xdata = dict_ref (xdata);
- }
+ }
- call_count = afr_frame_return (frame);
- if (call_count == 0) {
- afr_set_need_heal (this, local);
- afr_lookup_entry_heal (frame, this);
+ if (name_state_mismatch) {
+ if (!priv->quorum_count)
+ goto name_heal;
+ if (!afr_has_quorum(success, this, NULL))
+ goto name_heal;
+ if (op_errno)
+ goto name_heal;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
+ if (par_readables[i] && replies[i].op_ret < 0 &&
+ replies[i].op_errno != ENOTCONN) {
+ goto name_heal;
+ }
}
+ }
+
+ goto metadata_heal;
+
+name_heal:
+ heal = afr_frame_create(this, NULL);
+ if (!heal)
+ goto metadata_heal;
- return 0;
+ ret = synctask_new(this->ctx->env, afr_lookup_selfheal_wrap,
+ afr_refresh_selfheal_done, heal, frame);
+ if (ret) {
+ AFR_STACK_DESTROY(heal);
+ goto metadata_heal;
+ }
+ return ret;
+
+metadata_heal:
+ ret = afr_lookup_metadata_heal_check(frame, this);
+
+ return ret;
+}
+
+int
+afr_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *buf, dict_t *xdata,
+ struct iatt *postparent)
+{
+ afr_local_t *local = NULL;
+ int call_count = -1;
+ int child_index = -1;
+ GF_UNUSED int ret = 0;
+ int8_t need_heal = 1;
+
+ child_index = (long)cookie;
+
+ local = frame->local;
+
+ local->replies[child_index].valid = 1;
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+ /*
+ * On revalidate lookup if the gfid-changed, afr should unwind the fop
+ * with ESTALE so that a fresh lookup will be sent by the top xlator.
+ * So remember it.
+ */
+ if (xdata && dict_get_sizen(xdata, "gfid-changed"))
+ local->cont.lookup.needs_fresh_lookup = _gf_true;
+
+ if (xdata) {
+ ret = dict_get_int8(xdata, "link-count", &need_heal);
+ local->replies[child_index].need_heal = need_heal;
+ } else {
+ local->replies[child_index].need_heal = need_heal;
+ }
+ if (op_ret != -1) {
+ local->replies[child_index].poststat = *buf;
+ local->replies[child_index].postparent = *postparent;
+ if (xdata)
+ local->replies[child_index].xdata = dict_ref(xdata);
+ }
+
+ call_count = afr_frame_return(frame);
+ if (call_count == 0) {
+ afr_set_need_heal(this, local);
+ afr_lookup_entry_heal(frame, this);
+ }
+
+ return 0;
}
static void
-afr_discover_unwind (call_frame_t *frame, xlator_t *this)
+afr_discover_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int op_errno = 0;
- int read_subvol = -1;
- unsigned char *data_readable = NULL;
- unsigned char *success_replies = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int read_subvol = -1;
+ int ret = 0;
+ unsigned char *data_readable = NULL;
+ unsigned char *success_replies = NULL;
- priv = this->private;
- local = frame->local;
- data_readable = alloca0 (priv->child_count);
- success_replies = alloca0 (priv->child_count);
-
- afr_fill_success_replies (local, priv, success_replies);
- if (AFR_COUNT (success_replies, priv->child_count) > 0)
- local->op_ret = 0;
+ priv = this->private;
+ local = frame->local;
+ data_readable = alloca0(priv->child_count);
+ success_replies = alloca0(priv->child_count);
- op_errno = afr_final_errno (frame->local, this->private);
+ afr_fill_success_replies(local, priv, success_replies);
+ if (AFR_COUNT(success_replies, priv->child_count) > 0)
+ local->op_ret = 0;
- if (local->op_ret < 0) {
- AFR_STACK_UNWIND (lookup, frame, -1, op_errno, NULL, NULL,
- NULL, NULL);
- return;
- }
+ if (local->op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(frame->local, this->private);
+ goto error;
+ }
- if (!afr_has_quorum (success_replies, this))
- goto unwind;
+ if (!afr_has_quorum(success_replies, this, frame))
+ goto unwind;
- afr_replies_interpret (frame, this, local->inode, NULL);
+ ret = afr_replies_interpret(frame, this, local->inode, NULL);
+ if (ret) {
+ afr_inode_need_refresh_set(local->inode, this);
+ }
- read_subvol = afr_read_subvol_decide (local->inode, this, NULL,
- data_readable);
+ read_subvol = afr_read_subvol_decide(local->inode, this, NULL,
+ data_readable);
unwind:
- afr_attempt_readsubvol_set (frame, this, success_replies, data_readable,
- &read_subvol);
- if (read_subvol == -1) {
- AFR_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- NULL, NULL, NULL, NULL);
- return;
- }
+ afr_attempt_readsubvol_set(frame, this, success_replies, data_readable,
+ &read_subvol);
+ if (read_subvol == -1)
+ goto error;
- if (AFR_IS_ARBITER_BRICK (priv, read_subvol) && local->op_ret == 0) {
- local->op_ret = -1;
- local->op_errno = ENOTCONN;
- gf_msg_debug (this->name, 0, "Arbiter cannot be a read subvol "
- "for %s", local->loc.path);
- }
+ if (AFR_IS_ARBITER_BRICK(priv, read_subvol) && local->op_ret == 0) {
+ local->op_ret = -1;
+ local->op_errno = ENOTCONN;
+ gf_msg_debug(this->name, 0,
+ "Arbiter cannot be a read subvol "
+ "for %s",
+ local->loc.path);
+ }
+
+ AFR_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->replies[read_subvol].poststat,
+ local->replies[read_subvol].xdata,
+ &local->replies[read_subvol].postparent);
+ return;
- AFR_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- local->inode, &local->replies[read_subvol].poststat,
- local->replies[read_subvol].xdata,
- &local->replies[read_subvol].postparent);
+error:
+ AFR_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno, NULL, NULL,
+ NULL, NULL);
}
static int
-afr_ta_id_file_check (void *opaque)
-{
- afr_private_t *priv = NULL;
- xlator_t *this = NULL;
- loc_t loc = {0, };
- struct iatt stbuf = {0,};
- dict_t *dict = NULL;
- uuid_t gfid = {0,};
- fd_t *fd = NULL;
- int ret = 0;
-
- this = opaque;
- priv = this->private;
-
- ret = afr_fill_ta_loc (this, &loc);
- if (ret)
- goto out;
-
- ret = syncop_lookup (priv->children[THIN_ARBITER_BRICK_INDEX], &loc,
- &stbuf, 0, 0, 0);
- if (ret == 0) {
- goto out;
- } else if (ret == -ENOENT) {
- fd = fd_create (loc.inode, getpid());
- if (!fd)
- goto out;
- dict = dict_new ();
- if (!dict)
- goto out;
- gf_uuid_generate (gfid);
- ret = dict_set_gfuuid (dict, "gfid-req", gfid, true);
- ret = syncop_create (priv->children[THIN_ARBITER_BRICK_INDEX],
- &loc, O_RDWR, 0664, fd, &stbuf, dict,
- NULL);
- }
+afr_ta_id_file_check(void *opaque)
+{
+ afr_private_t *priv = NULL;
+ xlator_t *this = NULL;
+ loc_t loc = {
+ 0,
+ };
+ struct iatt stbuf = {
+ 0,
+ };
+ dict_t *dict = NULL;
+ uuid_t gfid = {
+ 0,
+ };
+ fd_t *fd = NULL;
+ int ret = 0;
+
+ this = opaque;
+ priv = this->private;
+
+ ret = afr_fill_ta_loc(this, &loc, _gf_false);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to populate thin-arbiter loc for: %s.", loc.name);
+ goto out;
+ }
+
+ ret = syncop_lookup(priv->children[THIN_ARBITER_BRICK_INDEX], &loc, &stbuf,
+ 0, 0, 0);
+ if (ret == 0) {
+ goto out;
+ } else if (ret == -ENOENT) {
+ fd = fd_create(loc.inode, getpid());
+ if (!fd)
+ goto out;
+ dict = dict_new();
+ if (!dict)
+ goto out;
+ gf_uuid_generate(gfid);
+ ret = dict_set_gfuuid(dict, "gfid-req", gfid, true);
+ ret = syncop_create(priv->children[THIN_ARBITER_BRICK_INDEX], &loc,
+ O_RDWR, 0664, fd, &stbuf, dict, NULL);
+ }
out:
- if (ret == 0) {
- gf_uuid_copy (priv->ta_gfid, stbuf.ia_gfid);
- } else {
- gf_msg (this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
- "Failed to lookup/create thin-arbiter id file.");
- }
- if (dict)
- dict_unref (dict);
- if (fd)
- fd_unref (fd);
- loc_wipe (&loc);
+ if (ret == 0) {
+ gf_uuid_copy(priv->ta_gfid, stbuf.ia_gfid);
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to lookup/create thin-arbiter id file.");
+ }
+ if (dict)
+ dict_unref(dict);
+ if (fd)
+ fd_unref(fd);
+ loc_wipe(&loc);
- return 0;
+ return 0;
}
static int
-afr_ta_id_file_check_cbk (int ret, call_frame_t *ta_frame, void *opaque)
+afr_ta_id_file_check_cbk(int ret, call_frame_t *ta_frame, void *opaque)
{
- return 0;
+ return 0;
}
static void
-afr_discover_done (call_frame_t *frame, xlator_t *this)
+afr_discover_done(call_frame_t *frame, xlator_t *this)
{
- int ret = 0;
- afr_private_t *priv = NULL;
+ int ret = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
- if (!priv->thin_arbiter_count)
- goto unwind;
- if (!gf_uuid_is_null(priv->ta_gfid))
- goto unwind;
+ priv = this->private;
+ if (!priv->thin_arbiter_count)
+ goto unwind;
+ if (!gf_uuid_is_null(priv->ta_gfid))
+ goto unwind;
- ret = synctask_new (this->ctx->env, afr_ta_id_file_check,
- afr_ta_id_file_check_cbk, NULL, this);
- if (ret)
- goto unwind;
+ ret = synctask_new(this->ctx->env, afr_ta_id_file_check,
+ afr_ta_id_file_check_cbk, NULL, this);
+ if (ret)
+ goto unwind;
unwind:
- afr_discover_unwind (frame, this);
+ afr_discover_unwind(frame, this);
}
int
-afr_discover_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode, struct iatt *buf,
- dict_t *xdata, struct iatt *postparent)
-{
- afr_local_t * local = NULL;
- int call_count = -1;
- int child_index = -1;
- GF_UNUSED int ret = 0;
- int8_t need_heal = 1;
-
- child_index = (long) cookie;
-
- local = frame->local;
-
- local->replies[child_index].valid = 1;
- local->replies[child_index].op_ret = op_ret;
- local->replies[child_index].op_errno = op_errno;
- if (op_ret != -1) {
- local->replies[child_index].poststat = *buf;
- local->replies[child_index].postparent = *postparent;
- if (xdata)
- local->replies[child_index].xdata = dict_ref (xdata);
- }
-
- if (local->do_discovery && (op_ret == 0))
- afr_attempt_local_discovery (this, child_index);
-
- if (xdata) {
- ret = dict_get_int8 (xdata, "link-count", &need_heal);
- local->replies[child_index].need_heal = need_heal;
- } else {
- local->replies[child_index].need_heal = need_heal;
- }
-
- call_count = afr_frame_return (frame);
- if (call_count == 0) {
- afr_set_need_heal (this, local);
- afr_lookup_metadata_heal_check (frame, this);
- }
+afr_discover_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *buf, dict_t *xdata,
+ struct iatt *postparent)
+{
+ afr_local_t *local = NULL;
+ int call_count = -1;
+ int child_index = -1;
+ GF_UNUSED int ret = 0;
+ int8_t need_heal = 1;
+
+ child_index = (long)cookie;
+
+ local = frame->local;
+
+ local->replies[child_index].valid = 1;
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+ if (op_ret != -1) {
+ local->replies[child_index].poststat = *buf;
+ local->replies[child_index].postparent = *postparent;
+ if (xdata)
+ local->replies[child_index].xdata = dict_ref(xdata);
+ }
+
+ if (local->do_discovery && (op_ret == 0))
+ afr_attempt_local_discovery(this, child_index);
+
+ if (xdata) {
+ ret = dict_get_int8(xdata, "link-count", &need_heal);
+ local->replies[child_index].need_heal = need_heal;
+ } else {
+ local->replies[child_index].need_heal = need_heal;
+ }
+
+ call_count = afr_frame_return(frame);
+ if (call_count == 0) {
+ afr_set_need_heal(this, local);
+ afr_lookup_metadata_heal_check(frame, this);
+ }
- return 0;
+ return 0;
}
-
int
-afr_discover_do (call_frame_t *frame, xlator_t *this, int err)
-{
- int ret = 0;
- int i = 0;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = 0;
-
- local = frame->local;
- priv = this->private;
-
- if (err) {
- local->op_errno = err;
- goto out;
- }
-
- call_count = local->call_count = AFR_COUNT (local->child_up,
- priv->child_count);
-
- ret = afr_lookup_xattr_req_prepare (local, this, local->xattr_req,
- &local->loc);
- if (ret) {
- local->op_errno = -ret;
- goto out;
- }
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, afr_discover_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->lookup,
- &local->loc, local->xattr_req);
- if (!--call_count)
- break;
- }
+afr_discover_do(call_frame_t *frame, xlator_t *this, int err)
+{
+ int ret = 0;
+ int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ if (err) {
+ local->op_errno = err;
+ goto out;
+ }
+
+ call_count = local->call_count = AFR_COUNT(local->child_up,
+ priv->child_count);
+
+ ret = afr_lookup_xattr_req_prepare(local, this, local->xattr_req,
+ &local->loc);
+ if (ret) {
+ local->op_errno = -ret;
+ goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(
+ frame, afr_discover_cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->lookup, &local->loc, local->xattr_req);
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (lookup, frame, -1, local->op_errno, 0, 0, 0, 0);
- return 0;
+ AFR_STACK_UNWIND(lookup, frame, -1, local->op_errno, 0, 0, 0, 0);
+ return 0;
}
-
int
-afr_discover (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)
+afr_discover(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)
{
- int op_errno = ENOMEM;
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int event = 0;
+ int op_errno = ENOMEM;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int event = 0;
- priv = this->private;
+ priv = this->private;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- if (!local->call_count) {
- op_errno = ENOTCONN;
- goto out;
- }
+ if (!local->call_count) {
+ op_errno = ENOTCONN;
+ goto out;
+ }
- if (__is_root_gfid (loc->inode->gfid)) {
- if (!this->itable)
- this->itable = loc->inode->table;
- if (!priv->root_inode)
- priv->root_inode = inode_ref (loc->inode);
+ if (__is_root_gfid(loc->inode->gfid)) {
+ if (!priv->root_inode)
+ priv->root_inode = inode_ref(loc->inode);
- if (priv->choose_local && !priv->did_discovery) {
- /* Logic to detect which subvolumes of AFR are
- local, in order to prefer them for reads
- */
- local->do_discovery = _gf_true;
- priv->did_discovery = _gf_true;
- }
- }
+ if (priv->choose_local && !priv->did_discovery) {
+ /* Logic to detect which subvolumes of AFR are
+ local, in order to prefer them for reads
+ */
+ local->do_discovery = _gf_true;
+ priv->did_discovery = _gf_true;
+ }
+ }
- local->op = GF_FOP_LOOKUP;
+ local->op = GF_FOP_LOOKUP;
- loc_copy (&local->loc, loc);
+ loc_copy(&local->loc, loc);
- local->inode = inode_ref (loc->inode);
+ local->inode = inode_ref(loc->inode);
- if (xattr_req)
- /* If xattr_req was null, afr_lookup_xattr_req_prepare() will
- allocate one for us */
- local->xattr_req = dict_ref (xattr_req);
+ if (xattr_req) {
+ /* If xattr_req was null, afr_lookup_xattr_req_prepare() will
+ allocate one for us */
+ local->xattr_req = dict_copy_with_ref(xattr_req, NULL);
+ if (!local->xattr_req) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+ }
- if (gf_uuid_is_null (loc->inode->gfid)) {
- afr_discover_do (frame, this, 0);
- return 0;
- }
+ if (gf_uuid_is_null(loc->inode->gfid)) {
+ afr_discover_do(frame, this, 0);
+ return 0;
+ }
- afr_read_subvol_get (loc->inode, this, NULL, NULL, &event,
- AFR_DATA_TRANSACTION, NULL);
+ afr_read_subvol_get(loc->inode, this, NULL, NULL, &event,
+ AFR_DATA_TRANSACTION, NULL);
- if (afr_is_inode_refresh_reqd (loc->inode, this, event,
- local->event_generation))
- afr_inode_refresh (frame, this, loc->inode, NULL,
- afr_discover_do);
- else
- afr_discover_do (frame, this, 0);
+ afr_discover_do(frame, this, 0);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
+ return 0;
}
-
int
-afr_lookup_do (call_frame_t *frame, xlator_t *this, int err)
-{
- int ret = 0;
- int i = 0;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = 0;
-
- local = frame->local;
- priv = this->private;
-
- if (err < 0) {
- local->op_errno = err;
- ret = -1;
- goto out;
- }
-
- call_count = local->call_count = AFR_COUNT (local->child_up,
- priv->child_count);
-
- ret = afr_lookup_xattr_req_prepare (local, this, local->xattr_req,
- &local->loc);
- if (ret) {
- local->op_errno = -ret;
- ret = -1;
- goto out;
- }
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, afr_lookup_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->lookup,
- &local->loc, local->xattr_req);
- if (!--call_count)
- break;
- }
+afr_lookup_do(call_frame_t *frame, xlator_t *this, int err)
+{
+ int ret = 0;
+ int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ if (err < 0) {
+ local->op_errno = err;
+ goto out;
+ }
+
+ call_count = local->call_count = AFR_COUNT(local->child_up,
+ priv->child_count);
+
+ ret = afr_lookup_xattr_req_prepare(local, this, local->xattr_req,
+ &local->loc);
+ if (ret) {
+ local->op_errno = -ret;
+ goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(
+ frame, afr_lookup_cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->lookup, &local->loc, local->xattr_req);
+ if (!--call_count)
+ break;
}
- return 0;
+ }
+ return 0;
out:
- AFR_STACK_UNWIND (lookup, frame, -1, local->op_errno, 0, 0, 0, 0);
- return 0;
+ AFR_STACK_UNWIND(lookup, frame, -1, local->op_errno, 0, 0, 0, 0);
+ return 0;
}
/*
@@ -3297,1619 +4000,1722 @@ out:
*/
int
-afr_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)
-{
- afr_local_t *local = NULL;
- int32_t op_errno = 0;
- int event = 0;
- int ret = 0;
-
- if (loc_is_nameless (loc)) {
- if (xattr_req)
- dict_del (xattr_req, "gfid-req");
- afr_discover (frame, this, loc, xattr_req);
- return 0;
- }
-
- if (__is_root_gfid (loc->parent->gfid)) {
- if (!strcmp (loc->name, GF_REPLICATE_TRASH_DIR)) {
- op_errno = EPERM;
- goto out;
- }
- }
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- if (!local->call_count) {
- op_errno = ENOTCONN;
- goto out;
- }
+afr_lookup(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)
+{
+ afr_local_t *local = NULL;
+ int32_t op_errno = 0;
+ int event = 0;
+ int ret = 0;
- local->op = GF_FOP_LOOKUP;
+ if (loc_is_nameless(loc)) {
+ if (xattr_req)
+ dict_del_sizen(xattr_req, "gfid-req");
+ afr_discover(frame, this, loc, xattr_req);
+ return 0;
+ }
- loc_copy (&local->loc, loc);
+ if (afr_is_private_directory(this->private, loc->parent->gfid, loc->name,
+ frame->root->pid)) {
+ op_errno = EPERM;
+ goto out;
+ }
- local->inode = inode_ref (loc->inode);
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- if (xattr_req) {
- /* If xattr_req was null, afr_lookup_xattr_req_prepare() will
- allocate one for us */
- local->xattr_req = dict_copy_with_ref (xattr_req, NULL);
- if (!local->xattr_req) {
- op_errno = ENOMEM;
- goto out;
- }
- ret = dict_get_gfuuid (local->xattr_req, "gfid-req",
- &local->cont.lookup.gfid_req);
- if (ret == 0) {
- dict_del (local->xattr_req, "gfid-req");
- }
+ if (!local->call_count) {
+ op_errno = ENOTCONN;
+ goto out;
+ }
+
+ local->op = GF_FOP_LOOKUP;
+
+ loc_copy(&local->loc, loc);
+
+ local->inode = inode_ref(loc->inode);
+
+ if (xattr_req) {
+ /* If xattr_req was null, afr_lookup_xattr_req_prepare() will
+ allocate one for us */
+ local->xattr_req = dict_copy_with_ref(xattr_req, NULL);
+ if (!local->xattr_req) {
+ op_errno = ENOMEM;
+ goto out;
}
+ ret = dict_get_gfuuid(local->xattr_req, "gfid-req",
+ &local->cont.lookup.gfid_req);
+ if (ret == 0) {
+ dict_del_sizen(local->xattr_req, "gfid-req");
+ }
+ }
- afr_read_subvol_get (loc->parent, this, NULL, NULL, &event,
- AFR_DATA_TRANSACTION, NULL);
+ afr_read_subvol_get(loc->parent, this, NULL, NULL, &event,
+ AFR_DATA_TRANSACTION, NULL);
- if (afr_is_inode_refresh_reqd (loc->inode, this, event,
- local->event_generation))
- afr_inode_refresh (frame, this, loc->parent, NULL,
- afr_lookup_do);
- else
- afr_lookup_do (frame, this, 0);
+ afr_lookup_do(frame, this, 0);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
+ AFR_STACK_UNWIND(lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
void
-_afr_cleanup_fd_ctx (afr_fd_ctx_t *fd_ctx)
+_afr_cleanup_fd_ctx(xlator_t *this, afr_fd_ctx_t *fd_ctx)
{
- GF_FREE (fd_ctx->opened_on);
- GF_FREE (fd_ctx);
- return;
+ afr_private_t *priv = this->private;
+
+ if (fd_ctx->lk_heal_info) {
+ LOCK(&priv->lock);
+ {
+ list_del(&fd_ctx->lk_heal_info->pos);
+ }
+ afr_lk_heal_info_cleanup(fd_ctx->lk_heal_info);
+ fd_ctx->lk_heal_info = NULL;
+ }
+ GF_FREE(fd_ctx->opened_on);
+ GF_FREE(fd_ctx);
+ return;
}
int
-afr_cleanup_fd_ctx (xlator_t *this, fd_t *fd)
+afr_cleanup_fd_ctx(xlator_t *this, fd_t *fd)
{
- uint64_t ctx = 0;
- afr_fd_ctx_t *fd_ctx = NULL;
- int ret = 0;
+ uint64_t ctx = 0;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ int ret = 0;
- ret = fd_ctx_get (fd, this, &ctx);
- if (ret < 0)
- goto out;
+ ret = fd_ctx_get(fd, this, &ctx);
+ if (ret < 0)
+ goto out;
- fd_ctx = (afr_fd_ctx_t *)(long) ctx;
+ fd_ctx = (afr_fd_ctx_t *)(long)ctx;
- if (fd_ctx) {
- _afr_cleanup_fd_ctx (fd_ctx);
- }
+ if (fd_ctx) {
+ _afr_cleanup_fd_ctx(this, fd_ctx);
+ }
out:
- return 0;
+ return 0;
}
int
-afr_release (xlator_t *this, fd_t *fd)
+afr_release(xlator_t *this, fd_t *fd)
{
- afr_cleanup_fd_ctx (this, fd);
+ afr_cleanup_fd_ctx(this, fd);
- return 0;
+ return 0;
}
afr_fd_ctx_t *
-__afr_fd_ctx_get (fd_t *fd, xlator_t *this)
+__afr_fd_ctx_get(fd_t *fd, xlator_t *this)
{
- uint64_t ctx = 0;
- int ret = 0;
- afr_fd_ctx_t *fd_ctx = NULL;
+ uint64_t ctx = 0;
+ int ret = 0;
+ afr_fd_ctx_t *fd_ctx = NULL;
- ret = __fd_ctx_get (fd, this, &ctx);
+ ret = __fd_ctx_get(fd, this, &ctx);
- if (ret < 0) {
- ret = __afr_fd_ctx_set (this, fd);
- if (ret < 0)
- goto out;
+ if (ret < 0) {
+ ret = __afr_fd_ctx_set(this, fd);
+ if (ret < 0)
+ goto out;
- ret = __fd_ctx_get (fd, this, &ctx);
- if (ret < 0)
- goto out;
- }
+ ret = __fd_ctx_get(fd, this, &ctx);
+ if (ret < 0)
+ goto out;
+ }
- fd_ctx = (afr_fd_ctx_t *)(long) ctx;
+ fd_ctx = (afr_fd_ctx_t *)(long)ctx;
out:
- return fd_ctx;
+ return fd_ctx;
}
-
afr_fd_ctx_t *
-afr_fd_ctx_get (fd_t *fd, xlator_t *this)
+afr_fd_ctx_get(fd_t *fd, xlator_t *this)
{
- afr_fd_ctx_t *fd_ctx = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
- LOCK(&fd->lock);
- {
- fd_ctx = __afr_fd_ctx_get (fd, this);
- }
- UNLOCK(&fd->lock);
+ LOCK(&fd->lock);
+ {
+ fd_ctx = __afr_fd_ctx_get(fd, this);
+ }
+ UNLOCK(&fd->lock);
- return fd_ctx;
+ return fd_ctx;
}
-
int
-__afr_fd_ctx_set (xlator_t *this, fd_t *fd)
+__afr_fd_ctx_set(xlator_t *this, fd_t *fd)
{
- afr_private_t * priv = NULL;
- int ret = -1;
- uint64_t ctx = 0;
- afr_fd_ctx_t * fd_ctx = NULL;
- int i = 0;
+ afr_private_t *priv = NULL;
+ int ret = -1;
+ uint64_t ctx = 0;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ int i = 0;
- VALIDATE_OR_GOTO (this->private, out);
- VALIDATE_OR_GOTO (fd, out);
+ VALIDATE_OR_GOTO(this->private, out);
+ VALIDATE_OR_GOTO(fd, out);
- priv = this->private;
+ priv = this->private;
- ret = __fd_ctx_get (fd, this, &ctx);
+ ret = __fd_ctx_get(fd, this, &ctx);
- if (ret == 0)
- goto out;
+ if (ret == 0)
+ goto out;
- fd_ctx = GF_CALLOC (1, sizeof (afr_fd_ctx_t),
- gf_afr_mt_afr_fd_ctx_t);
- if (!fd_ctx) {
- ret = -ENOMEM;
- goto out;
- }
+ fd_ctx = GF_CALLOC(1, sizeof(afr_fd_ctx_t), gf_afr_mt_afr_fd_ctx_t);
+ if (!fd_ctx) {
+ ret = -ENOMEM;
+ goto out;
+ }
- fd_ctx->opened_on = GF_CALLOC (sizeof (*fd_ctx->opened_on),
- priv->child_count,
- gf_afr_mt_int32_t);
- if (!fd_ctx->opened_on) {
- ret = -ENOMEM;
- goto out;
- }
+ fd_ctx->opened_on = GF_CALLOC(sizeof(*fd_ctx->opened_on), priv->child_count,
+ gf_afr_mt_int32_t);
+ if (!fd_ctx->opened_on) {
+ ret = -ENOMEM;
+ goto out;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (fd_is_anonymous (fd))
- fd_ctx->opened_on[i] = AFR_FD_OPENED;
- else
- fd_ctx->opened_on[i] = AFR_FD_NOT_OPENED;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (fd_is_anonymous(fd))
+ fd_ctx->opened_on[i] = AFR_FD_OPENED;
+ else
+ fd_ctx->opened_on[i] = AFR_FD_NOT_OPENED;
+ }
- fd_ctx->readdir_subvol = -1;
+ fd_ctx->readdir_subvol = -1;
+ fd_ctx->lk_heal_info = NULL;
- ret = __fd_ctx_set (fd, this, (uint64_t)(long) fd_ctx);
- if (ret)
- gf_msg_debug (this->name, 0,
- "failed to set fd ctx (%p)", fd);
+ ret = __fd_ctx_set(fd, this, (uint64_t)(long)fd_ctx);
+ if (ret)
+ gf_msg_debug(this->name, 0, "failed to set fd ctx (%p)", fd);
out:
- if (ret && fd_ctx)
- _afr_cleanup_fd_ctx (fd_ctx);
- return ret;
+ if (ret && fd_ctx)
+ _afr_cleanup_fd_ctx(this, fd_ctx);
+ return ret;
}
-
/* {{{ flush */
int
-afr_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_flush_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int call_count = -1;
+ afr_local_t *local = NULL;
+ int call_count = -1;
- local = frame->local;
+ local = frame->local;
- LOCK (&frame->lock);
- {
- if (op_ret != -1) {
- local->op_ret = op_ret;
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- } else {
- local->op_errno = op_errno;
- }
+ LOCK(&frame->lock);
+ {
+ if (op_ret != -1) {
+ local->op_ret = op_ret;
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
+ } else {
+ local->op_errno = op_errno;
}
- UNLOCK (&frame->lock);
-
- call_count = afr_frame_return (frame);
+ call_count = --local->call_count;
+ }
+ UNLOCK(&frame->lock);
- if (call_count == 0)
- AFR_STACK_UNWIND (flush, frame, local->op_ret,
- local->op_errno, local->xdata_rsp);
+ if (call_count == 0)
+ AFR_STACK_UNWIND(flush, frame, local->op_ret, local->op_errno,
+ local->xdata_rsp);
- return 0;
+ return 0;
}
static int
-afr_flush_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
-{
- int i = 0;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = -1;
-
- priv = this->private;
- local = frame->local;
- call_count = local->call_count;
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, afr_flush_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->flush,
- local->fd, xdata);
- if (!--call_count)
- break;
-
- }
+afr_flush_wrapper(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
+{
+ int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = -1;
+
+ priv = this->private;
+ local = frame->local;
+ call_count = local->call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(frame, afr_flush_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->flush,
+ local->fd, xdata);
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
}
-afr_local_t*
-afr_wakeup_same_fd_delayed_op (xlator_t *this, afr_lock_t *lock, fd_t *fd)
+afr_local_t *
+afr_wakeup_same_fd_delayed_op(xlator_t *this, afr_lock_t *lock, fd_t *fd)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- if (lock->delay_timer) {
- local = list_entry(lock->post_op.next, afr_local_t,
- transaction.owner_list);
- if (fd == local->fd) {
- if (gf_timer_call_cancel (this->ctx,
- lock->delay_timer)) {
- local = NULL;
- } else {
- lock->delay_timer = NULL;
- }
- } else {
- local = NULL;
- }
+ if (lock->delay_timer) {
+ local = list_entry(lock->post_op.next, afr_local_t,
+ transaction.owner_list);
+ if (fd == local->fd) {
+ if (gf_timer_call_cancel(this->ctx, lock->delay_timer)) {
+ local = NULL;
+ } else {
+ lock->delay_timer = NULL;
+ }
+ } else {
+ local = NULL;
}
+ }
- return local;
+ return local;
}
void
-afr_delayed_changelog_wake_resume (xlator_t *this, inode_t *inode,
- call_stub_t *stub)
-{
- afr_inode_ctx_t *ctx = NULL;
- afr_lock_t *lock = NULL;
- afr_local_t *metadata_local = NULL;
- afr_local_t *data_local = NULL;
- LOCK (&inode->lock);
- {
- (void)__afr_inode_ctx_get (this, inode, &ctx);
- lock = &ctx->lock[AFR_DATA_TRANSACTION];
- data_local = afr_wakeup_same_fd_delayed_op (this, lock,
- stub->args.fd);
- lock = &ctx->lock[AFR_METADATA_TRANSACTION];
- metadata_local = afr_wakeup_same_fd_delayed_op (this, lock,
- stub->args.fd);
- }
- UNLOCK (&inode->lock);
-
- if (data_local) {
- data_local->transaction.resume_stub = stub;
- } else if (metadata_local) {
- metadata_local->transaction.resume_stub = stub;
- } else {
- call_resume (stub);
- }
- if (data_local) {
- afr_delayed_changelog_wake_up_cbk (data_local);
- }
- if (metadata_local) {
- afr_delayed_changelog_wake_up_cbk (metadata_local);
- }
+afr_delayed_changelog_wake_resume(xlator_t *this, inode_t *inode,
+ call_stub_t *stub)
+{
+ afr_inode_ctx_t *ctx = NULL;
+ afr_lock_t *lock = NULL;
+ afr_local_t *metadata_local = NULL;
+ afr_local_t *data_local = NULL;
+ LOCK(&inode->lock);
+ {
+ (void)__afr_inode_ctx_get(this, inode, &ctx);
+ lock = &ctx->lock[AFR_DATA_TRANSACTION];
+ data_local = afr_wakeup_same_fd_delayed_op(this, lock, stub->args.fd);
+ lock = &ctx->lock[AFR_METADATA_TRANSACTION];
+ metadata_local = afr_wakeup_same_fd_delayed_op(this, lock,
+ stub->args.fd);
+ }
+ UNLOCK(&inode->lock);
+
+ if (data_local) {
+ data_local->transaction.resume_stub = stub;
+ } else if (metadata_local) {
+ metadata_local->transaction.resume_stub = stub;
+ } else {
+ call_resume(stub);
+ }
+ if (data_local) {
+ afr_delayed_changelog_wake_up_cbk(data_local);
+ }
+ if (metadata_local) {
+ afr_delayed_changelog_wake_up_cbk(metadata_local);
+ }
}
int
-afr_flush (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
+afr_flush(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_stub_t *stub = NULL;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_stub_t *stub = NULL;
+ int op_errno = ENOMEM;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_FLUSH;
- if (!afr_is_consistent_io_possible (local, this->private, &op_errno))
- goto out;
+ local->op = GF_FOP_FLUSH;
+ if (!afr_is_consistent_io_possible(local, this->private, &op_errno))
+ goto out;
- local->fd = fd_ref(fd);
+ local->fd = fd_ref(fd);
- stub = fop_flush_stub (frame, afr_flush_wrapper, fd, xdata);
- if (!stub)
- goto out;
+ stub = fop_flush_stub(frame, afr_flush_wrapper, fd, xdata);
+ if (!stub)
+ goto out;
- afr_delayed_changelog_wake_resume (this, fd->inode, stub);
+ afr_delayed_changelog_wake_resume(this, fd->inode, stub);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (flush, frame, -1, op_errno, NULL);
- return 0;
+ AFR_STACK_UNWIND(flush, frame, -1, op_errno, NULL);
+ return 0;
}
int
-afr_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_fsyncdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int call_count = -1;
+ afr_local_t *local = NULL;
+ int call_count = -1;
- local = frame->local;
+ local = frame->local;
- LOCK (&frame->lock);
- {
- if (op_ret == 0) {
- local->op_ret = 0;
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- } else {
- local->op_errno = op_errno;
- }
+ LOCK(&frame->lock);
+ {
+ if (op_ret == 0) {
+ local->op_ret = 0;
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
+ } else {
+ local->op_errno = op_errno;
}
- UNLOCK (&frame->lock);
+ call_count = --local->call_count;
+ }
+ UNLOCK(&frame->lock);
- call_count = afr_frame_return (frame);
+ if (call_count == 0)
+ AFR_STACK_UNWIND(fsyncdir, frame, local->op_ret, local->op_errno,
+ local->xdata_rsp);
- if (call_count == 0)
- AFR_STACK_UNWIND (fsyncdir, frame, local->op_ret,
- local->op_errno, local->xdata_rsp);
-
- return 0;
+ return 0;
}
-
int
-afr_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
- dict_t *xdata)
-{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
- int32_t call_count = 0;
- int32_t op_errno = ENOMEM;
-
- priv = this->private;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- local->op = GF_FOP_FSYNCDIR;
- if (!afr_is_consistent_io_possible (local, priv, &op_errno))
- goto out;
-
- call_count = local->call_count;
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND (frame, afr_fsyncdir_cbk,
- priv->children[i],
- priv->children[i]->fops->fsyncdir,
- fd, datasync, xdata);
- if (!--call_count)
- break;
- }
+afr_fsyncdir(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
+ dict_t *xdata)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
+ int32_t call_count = 0;
+ int32_t op_errno = ENOMEM;
+
+ priv = this->private;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ local->op = GF_FOP_FSYNCDIR;
+ if (!afr_is_consistent_io_possible(local, priv, &op_errno))
+ goto out;
+
+ call_count = local->call_count;
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND(frame, afr_fsyncdir_cbk, priv->children[i],
+ priv->children[i]->fops->fsyncdir, fd, datasync, xdata);
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (fsyncdir, frame, -1, op_errno, NULL);
+ AFR_STACK_UNWIND(fsyncdir, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
/* }}} */
static int
-afr_serialized_lock_wind (call_frame_t *frame, xlator_t *this);
+afr_serialized_lock_wind(call_frame_t *frame, xlator_t *this);
static gf_boolean_t
-afr_is_conflicting_lock_present (int32_t op_ret, int32_t op_errno)
+afr_is_conflicting_lock_present(int32_t op_ret, int32_t op_errno)
{
- if (op_ret == -1 && op_errno == EAGAIN)
- return _gf_true;
- return _gf_false;
+ if (op_ret == -1 && op_errno == EAGAIN)
+ return _gf_true;
+ return _gf_false;
}
static void
-afr_fop_lock_unwind (call_frame_t *frame, glusterfs_fop_t op, int32_t op_ret,
- int32_t op_errno, dict_t *xdata)
+afr_fop_lock_unwind(call_frame_t *frame, glusterfs_fop_t op, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- switch (op) {
+ switch (op) {
case GF_FOP_INODELK:
- AFR_STACK_UNWIND (inodelk, frame, op_ret, op_errno, xdata);
- break;
+ AFR_STACK_UNWIND(inodelk, frame, op_ret, op_errno, xdata);
+ break;
case GF_FOP_FINODELK:
- AFR_STACK_UNWIND (finodelk, frame, op_ret, op_errno, xdata);
- break;
+ AFR_STACK_UNWIND(finodelk, frame, op_ret, op_errno, xdata);
+ break;
case GF_FOP_ENTRYLK:
- AFR_STACK_UNWIND (entrylk, frame, op_ret, op_errno, xdata);
- break;
+ AFR_STACK_UNWIND(entrylk, frame, op_ret, op_errno, xdata);
+ break;
case GF_FOP_FENTRYLK:
- AFR_STACK_UNWIND (fentrylk, frame, op_ret, op_errno, xdata);
- break;
+ AFR_STACK_UNWIND(fentrylk, frame, op_ret, op_errno, xdata);
+ break;
default:
- break;
- }
+ break;
+ }
}
static void
-afr_fop_lock_wind (call_frame_t *frame, xlator_t *this, int child_index,
- int32_t (*lock_cbk) (call_frame_t *, void *, xlator_t *,
- int32_t, int32_t, dict_t *))
+afr_fop_lock_wind(call_frame_t *frame, xlator_t *this, int child_index,
+ int32_t (*lock_cbk)(call_frame_t *, void *, xlator_t *,
+ int32_t, int32_t, dict_t *))
{
- afr_local_t *local = frame->local;
- afr_private_t *priv = this->private;
- int i = child_index;
+ afr_local_t *local = frame->local;
+ afr_private_t *priv = this->private;
+ int i = child_index;
- switch (local->op) {
+ switch (local->op) {
case GF_FOP_INODELK:
- STACK_WIND_COOKIE (frame, lock_cbk, (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->inodelk,
- (const char *)local->cont.inodelk.volume,
- &local->loc, local->cont.inodelk.cmd,
- &local->cont.inodelk.flock,
- local->cont.inodelk.xdata);
- break;
+ STACK_WIND_COOKIE(
+ frame, lock_cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->inodelk,
+ (const char *)local->cont.inodelk.volume, &local->loc,
+ local->cont.inodelk.cmd, &local->cont.inodelk.flock,
+ local->cont.inodelk.xdata);
+ break;
case GF_FOP_FINODELK:
- STACK_WIND_COOKIE (frame, lock_cbk, (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->finodelk,
- (const char *)local->cont.inodelk.volume,
- local->fd, local->cont.inodelk.cmd,
- &local->cont.inodelk.flock,
- local->cont.inodelk.xdata);
- break;
+ STACK_WIND_COOKIE(
+ frame, lock_cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->finodelk,
+ (const char *)local->cont.inodelk.volume, local->fd,
+ local->cont.inodelk.cmd, &local->cont.inodelk.flock,
+ local->cont.inodelk.xdata);
+ break;
case GF_FOP_ENTRYLK:
- STACK_WIND_COOKIE (frame, lock_cbk, (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->entrylk,
- local->cont.entrylk.volume, &local->loc,
- local->cont.entrylk.basename,
- local->cont.entrylk.cmd,
- local->cont.entrylk.type,
- local->cont.entrylk.xdata);
- break;
+ STACK_WIND_COOKIE(
+ frame, lock_cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->entrylk, local->cont.entrylk.volume,
+ &local->loc, local->cont.entrylk.basename,
+ local->cont.entrylk.cmd, local->cont.entrylk.type,
+ local->cont.entrylk.xdata);
+ break;
case GF_FOP_FENTRYLK:
- STACK_WIND_COOKIE (frame, lock_cbk, (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->fentrylk,
- local->cont.entrylk.volume, local->fd,
- local->cont.entrylk.basename,
- local->cont.entrylk.cmd,
- local->cont.entrylk.type,
- local->cont.entrylk.xdata);
- break;
+ STACK_WIND_COOKIE(
+ frame, lock_cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->fentrylk, local->cont.entrylk.volume,
+ local->fd, local->cont.entrylk.basename,
+ local->cont.entrylk.cmd, local->cont.entrylk.type,
+ local->cont.entrylk.xdata);
+ break;
default:
- break;
- }
+ break;
+ }
}
void
-afr_fop_lock_proceed (call_frame_t *frame)
+afr_fop_lock_proceed(call_frame_t *frame)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = frame->this->private;
-
- if (local->fop_lock_state != AFR_FOP_LOCK_PARALLEL) {
- afr_fop_lock_unwind (frame, local->op, local->op_ret,
- local->op_errno, local->xdata_rsp);
- return;
- }
- /* At least one child is up */
- /*
- * Non-blocking locks also need to be serialized. Otherwise there is
- * a chance that both the mounts which issued same non-blocking inodelk
- * may endup not acquiring the lock on any-brick.
- * Ex: Mount1 and Mount2
- * request for full length lock on file f1. Mount1 afr may acquire the
- * partial lock on brick-1 and may not acquire the lock on brick-2
- * because Mount2 already got the lock on brick-2, vice versa. Since
- * both the mounts only got partial locks, afr treats them as failure in
- * gaining the locks and unwinds with EAGAIN errno.
- */
- local->op_ret = -1;
- local->op_errno = EUCLEAN;
- local->fop_lock_state = AFR_FOP_LOCK_SERIAL;
- afr_local_replies_wipe (local, priv);
- if (local->xdata_rsp)
- dict_unref (local->xdata_rsp);
- local->xdata_rsp = NULL;
- switch (local->op) {
+ local = frame->local;
+ priv = frame->this->private;
+
+ if (local->fop_lock_state != AFR_FOP_LOCK_PARALLEL) {
+ afr_fop_lock_unwind(frame, local->op, local->op_ret, local->op_errno,
+ local->xdata_rsp);
+ return;
+ }
+ /* At least one child is up */
+ /*
+ * Non-blocking locks also need to be serialized. Otherwise there is
+ * a chance that both the mounts which issued same non-blocking inodelk
+ * may endup not acquiring the lock on any-brick.
+ * Ex: Mount1 and Mount2
+ * request for full length lock on file f1. Mount1 afr may acquire the
+ * partial lock on brick-1 and may not acquire the lock on brick-2
+ * because Mount2 already got the lock on brick-2, vice versa. Since
+ * both the mounts only got partial locks, afr treats them as failure in
+ * gaining the locks and unwinds with EAGAIN errno.
+ */
+ local->op_ret = -1;
+ local->op_errno = EUCLEAN;
+ local->fop_lock_state = AFR_FOP_LOCK_SERIAL;
+ afr_local_replies_wipe(local, priv);
+ if (local->xdata_rsp)
+ dict_unref(local->xdata_rsp);
+ local->xdata_rsp = NULL;
+ switch (local->op) {
case GF_FOP_INODELK:
case GF_FOP_FINODELK:
- local->cont.inodelk.cmd = local->cont.inodelk.in_cmd;
- local->cont.inodelk.flock = local->cont.inodelk.in_flock;
- if (local->cont.inodelk.xdata)
- dict_unref (local->cont.inodelk.xdata);
- local->cont.inodelk.xdata = NULL;
- if (local->xdata_req)
- local->cont.inodelk.xdata = dict_ref (local->xdata_req);
- break;
+ local->cont.inodelk.cmd = local->cont.inodelk.in_cmd;
+ local->cont.inodelk.flock = local->cont.inodelk.in_flock;
+ if (local->cont.inodelk.xdata)
+ dict_unref(local->cont.inodelk.xdata);
+ local->cont.inodelk.xdata = NULL;
+ if (local->xdata_req)
+ local->cont.inodelk.xdata = dict_ref(local->xdata_req);
+ break;
case GF_FOP_ENTRYLK:
case GF_FOP_FENTRYLK:
- local->cont.entrylk.cmd = local->cont.entrylk.in_cmd;
- if (local->cont.entrylk.xdata)
- dict_unref (local->cont.entrylk.xdata);
- local->cont.entrylk.xdata = NULL;
- if (local->xdata_req)
- local->cont.entrylk.xdata = dict_ref (local->xdata_req);
- break;
+ local->cont.entrylk.cmd = local->cont.entrylk.in_cmd;
+ if (local->cont.entrylk.xdata)
+ dict_unref(local->cont.entrylk.xdata);
+ local->cont.entrylk.xdata = NULL;
+ if (local->xdata_req)
+ local->cont.entrylk.xdata = dict_ref(local->xdata_req);
+ break;
default:
- break;
- }
- afr_serialized_lock_wind (frame, frame->this);
+ break;
+ }
+ afr_serialized_lock_wind(frame, frame->this);
}
static int32_t
-afr_unlock_partial_lock_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata)
+afr_unlock_partial_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = -1;
- int child_index = (long)cookie;
- uuid_t gfid = {0};
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = -1;
+ int child_index = (long)cookie;
+ uuid_t gfid = {0};
- local = frame->local;
- priv = this->private;
-
- if (op_ret < 0 && op_errno != ENOTCONN) {
- if (local->fd)
- gf_uuid_copy (gfid, local->fd->inode->gfid);
- else
- loc_gfid (&local->loc, gfid);
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- AFR_MSG_UNLOCK_FAIL,
- "%s: Failed to unlock %s on %s "
- "with lk_owner: %s", uuid_utoa (gfid),
- gf_fop_list[local->op],
- priv->children[child_index]->name,
- lkowner_utoa (&frame->root->lk_owner));
- }
-
- call_count = afr_frame_return (frame);
- if (call_count == 0)
- afr_fop_lock_proceed (frame);
+ local = frame->local;
+ priv = this->private;
- return 0;
+ if (op_ret < 0 && op_errno != ENOTCONN) {
+ if (local->fd)
+ gf_uuid_copy(gfid, local->fd->inode->gfid);
+ else
+ loc_gfid(&local->loc, gfid);
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_UNLOCK_FAIL,
+ "%s: Failed to unlock %s on %s "
+ "with lk_owner: %s",
+ uuid_utoa(gfid), gf_fop_list[local->op],
+ priv->children[child_index]->name,
+ lkowner_utoa(&frame->root->lk_owner));
+ }
+
+ call_count = afr_frame_return(frame);
+ if (call_count == 0)
+ afr_fop_lock_proceed(frame);
+
+ return 0;
}
static int32_t
-afr_unlock_locks_and_proceed (call_frame_t *frame, xlator_t *this,
+afr_unlock_locks_and_proceed(call_frame_t *frame, xlator_t *this,
int call_count)
{
- int i = 0;
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
- if (call_count == 0) {
- afr_fop_lock_proceed (frame);
- goto out;
- }
+ if (call_count == 0) {
+ afr_fop_lock_proceed(frame);
+ goto out;
+ }
- local = frame->local;
- priv = this->private;
- local->call_count = call_count;
- switch (local->op) {
+ local = frame->local;
+ priv = this->private;
+ local->call_count = call_count;
+ switch (local->op) {
case GF_FOP_INODELK:
case GF_FOP_FINODELK:
- local->cont.inodelk.flock.l_type = F_UNLCK;
- local->cont.inodelk.cmd = F_SETLK;
- if (local->cont.inodelk.xdata)
- dict_unref (local->cont.inodelk.xdata);
- local->cont.inodelk.xdata = NULL;
- break;
+ local->cont.inodelk.flock.l_type = F_UNLCK;
+ local->cont.inodelk.cmd = F_SETLK;
+ if (local->cont.inodelk.xdata)
+ dict_unref(local->cont.inodelk.xdata);
+ local->cont.inodelk.xdata = NULL;
+ break;
case GF_FOP_ENTRYLK:
case GF_FOP_FENTRYLK:
- local->cont.entrylk.cmd = ENTRYLK_UNLOCK;
- if (local->cont.entrylk.xdata)
- dict_unref (local->cont.entrylk.xdata);
- local->cont.entrylk.xdata = NULL;
- break;
+ local->cont.entrylk.cmd = ENTRYLK_UNLOCK;
+ if (local->cont.entrylk.xdata)
+ dict_unref(local->cont.entrylk.xdata);
+ local->cont.entrylk.xdata = NULL;
+ break;
default:
- break;
- }
+ break;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
- if (local->replies[i].op_ret == -1)
- continue;
+ if (local->replies[i].op_ret == -1)
+ continue;
- afr_fop_lock_wind (frame, this, i, afr_unlock_partial_lock_cbk);
+ afr_fop_lock_wind(frame, this, i, afr_unlock_partial_lock_cbk);
- if (!--call_count)
- break;
- }
+ if (!--call_count)
+ break;
+ }
out:
- return 0;
+ return 0;
}
int32_t
-afr_fop_lock_done (call_frame_t *frame, xlator_t *this)
+afr_fop_lock_done(call_frame_t *frame, xlator_t *this)
{
- int i = 0;
- int lock_count = 0;
- unsigned char *success = NULL;
+ int i = 0;
+ int lock_count = 0;
+ unsigned char *success = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
- success = alloca0(priv->child_count);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
+ local = frame->local;
+ priv = this->private;
+ success = alloca0(priv->child_count);
- if (local->replies[i].op_ret == 0) {
- lock_count++;
- success[i] = 1;
- }
-
- if (local->op_ret == -1 && local->op_errno == EAGAIN)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
- if ((local->replies[i].op_ret == -1) &&
- (local->replies[i].op_errno == EAGAIN)) {
- local->op_ret = -1;
- local->op_errno = EAGAIN;
- continue;
- }
+ if (local->replies[i].op_ret == 0) {
+ lock_count++;
+ success[i] = 1;
+ }
- if (local->replies[i].op_ret == 0)
- local->op_ret = 0;
+ if (local->op_ret == -1 && local->op_errno == EAGAIN)
+ continue;
- local->op_errno = local->replies[i].op_errno;
+ if ((local->replies[i].op_ret == -1) &&
+ (local->replies[i].op_errno == EAGAIN)) {
+ local->op_ret = -1;
+ local->op_errno = EAGAIN;
+ continue;
}
- if (afr_fop_lock_is_unlock (frame))
- goto unwind;
+ if (local->replies[i].op_ret == 0)
+ local->op_ret = 0;
- if (afr_is_conflicting_lock_present (local->op_ret, local->op_errno)) {
- afr_unlock_locks_and_proceed (frame, this, lock_count);
- } else if (priv->quorum_count && !afr_has_quorum (success, this)) {
- local->fop_lock_state = AFR_FOP_LOCK_QUORUM_FAILED;
- local->op_ret = -1;
- local->op_errno = afr_final_errno (local, priv);
- if (local->op_errno == 0)
- local->op_errno = afr_quorum_errno (priv);
- afr_unlock_locks_and_proceed (frame, this, lock_count);
- } else {
- goto unwind;
- }
+ local->op_errno = local->replies[i].op_errno;
+ }
- return 0;
+ if (afr_fop_lock_is_unlock(frame))
+ goto unwind;
+
+ if (afr_is_conflicting_lock_present(local->op_ret, local->op_errno)) {
+ afr_unlock_locks_and_proceed(frame, this, lock_count);
+ } else if (priv->quorum_count && !afr_has_quorum(success, this, NULL)) {
+ local->fop_lock_state = AFR_FOP_LOCK_QUORUM_FAILED;
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(local, priv);
+ if (local->op_errno == 0)
+ local->op_errno = afr_quorum_errno(priv);
+ afr_unlock_locks_and_proceed(frame, this, lock_count);
+ } else {
+ goto unwind;
+ }
+
+ return 0;
unwind:
- afr_fop_lock_unwind (frame, local->op, local->op_ret,
- local->op_errno, local->xdata_rsp);
- return 0;
+ afr_fop_lock_unwind(frame, local->op, local->op_ret, local->op_errno,
+ local->xdata_rsp);
+ return 0;
}
static int
-afr_common_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_common_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int child_index = (long)cookie;
+ afr_local_t *local = NULL;
+ int child_index = (long)cookie;
- local = frame->local;
+ local = frame->local;
- local->replies[child_index].valid = 1;
- local->replies[child_index].op_ret = op_ret;
- local->replies[child_index].op_errno = op_errno;
- if (op_ret == 0 && xdata) {
- local->replies[child_index].xdata = dict_ref (xdata);
- LOCK (&frame->lock);
- {
- if (!local->xdata_rsp)
- local->xdata_rsp = dict_ref (xdata);
- }
- UNLOCK (&frame->lock);
+ local->replies[child_index].valid = 1;
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+ if (op_ret == 0 && xdata) {
+ local->replies[child_index].xdata = dict_ref(xdata);
+ LOCK(&frame->lock);
+ {
+ if (!local->xdata_rsp)
+ local->xdata_rsp = dict_ref(xdata);
}
- return 0;
+ UNLOCK(&frame->lock);
+ }
+ return 0;
}
static int32_t
-afr_serialized_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_serialized_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int child_index = (long)cookie;
- int next_child = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int child_index = (long)cookie;
+ int next_child = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- afr_common_lock_cbk (frame, cookie, this, op_ret, op_errno, xdata);
+ afr_common_lock_cbk(frame, cookie, this, op_ret, op_errno, xdata);
- for (next_child = child_index + 1; next_child < priv->child_count;
- next_child++) {
- if (local->child_up[next_child])
- break;
- }
+ for (next_child = child_index + 1; next_child < priv->child_count;
+ next_child++) {
+ if (local->child_up[next_child])
+ break;
+ }
- if (afr_is_conflicting_lock_present (op_ret, op_errno) ||
- (next_child == priv->child_count)) {
- afr_fop_lock_done (frame, this);
- } else {
- afr_fop_lock_wind (frame, this, next_child,
- afr_serialized_lock_cbk);
- }
+ if (afr_is_conflicting_lock_present(op_ret, op_errno) ||
+ (next_child == priv->child_count)) {
+ afr_fop_lock_done(frame, this);
+ } else {
+ afr_fop_lock_wind(frame, this, next_child, afr_serialized_lock_cbk);
+ }
- return 0;
+ return 0;
}
static int
-afr_serialized_lock_wind (call_frame_t *frame, xlator_t *this)
+afr_serialized_lock_wind(call_frame_t *frame, xlator_t *this)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- afr_fop_lock_wind (frame, this, i,
- afr_serialized_lock_cbk);
- break;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ afr_fop_lock_wind(frame, this, i, afr_serialized_lock_cbk);
+ break;
}
- return 0;
+ }
+ return 0;
}
static int32_t
-afr_parallel_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_parallel_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- int call_count = 0;
+ int call_count = 0;
- afr_common_lock_cbk (frame, cookie, this, op_ret, op_errno, xdata);
+ afr_common_lock_cbk(frame, cookie, this, op_ret, op_errno, xdata);
- call_count = afr_frame_return (frame);
- if (call_count == 0)
- afr_fop_lock_done (frame, this);
+ call_count = afr_frame_return(frame);
+ if (call_count == 0)
+ afr_fop_lock_done(frame, this);
- return 0;
+ return 0;
}
static int
-afr_parallel_lock_wind (call_frame_t *frame, xlator_t *this)
+afr_parallel_lock_wind(call_frame_t *frame, xlator_t *this)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int call_count = 0;
- int i = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int call_count = 0;
+ int i = 0;
- priv = this->private;
- local = frame->local;
- call_count = local->call_count;
+ priv = this->private;
+ local = frame->local;
+ call_count = local->call_count;
- for (i = 0; i < priv->child_count; i++) {
- if (!local->child_up[i])
- continue;
- afr_fop_lock_wind (frame, this, i, afr_parallel_lock_cbk);
- if (!--call_count)
- break;
- }
- return 0;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->child_up[i])
+ continue;
+ afr_fop_lock_wind(frame, this, i, afr_parallel_lock_cbk);
+ if (!--call_count)
+ break;
+ }
+ return 0;
}
static int
-afr_fop_handle_lock (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = frame->local;
- int op_errno = 0;
-
- if (!afr_fop_lock_is_unlock (frame)) {
- if (!afr_is_consistent_io_possible (local, this->private,
- &op_errno))
- goto out;
-
- switch (local->op) {
- case GF_FOP_INODELK:
- case GF_FOP_FINODELK:
- local->cont.inodelk.cmd = F_SETLK;
- break;
- case GF_FOP_ENTRYLK:
- case GF_FOP_FENTRYLK:
- local->cont.entrylk.cmd = ENTRYLK_LOCK_NB;
- break;
- default:
- break;
- }
+afr_fop_handle_lock(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = frame->local;
+ int op_errno = 0;
+
+ if (!afr_fop_lock_is_unlock(frame)) {
+ if (!afr_is_consistent_io_possible(local, this->private, &op_errno))
+ goto out;
+
+ switch (local->op) {
+ case GF_FOP_INODELK:
+ case GF_FOP_FINODELK:
+ local->cont.inodelk.cmd = F_SETLK;
+ break;
+ case GF_FOP_ENTRYLK:
+ case GF_FOP_FENTRYLK:
+ local->cont.entrylk.cmd = ENTRYLK_LOCK_NB;
+ break;
+ default:
+ break;
}
+ }
- if (local->xdata_req) {
- switch (local->op) {
- case GF_FOP_INODELK:
- case GF_FOP_FINODELK:
- local->cont.inodelk.xdata = dict_ref (local->xdata_req);
- break;
- case GF_FOP_ENTRYLK:
- case GF_FOP_FENTRYLK:
- local->cont.entrylk.xdata = dict_ref (local->xdata_req);
- break;
- default:
- break;
- }
+ if (local->xdata_req) {
+ switch (local->op) {
+ case GF_FOP_INODELK:
+ case GF_FOP_FINODELK:
+ local->cont.inodelk.xdata = dict_ref(local->xdata_req);
+ break;
+ case GF_FOP_ENTRYLK:
+ case GF_FOP_FENTRYLK:
+ local->cont.entrylk.xdata = dict_ref(local->xdata_req);
+ break;
+ default:
+ break;
}
+ }
- local->fop_lock_state = AFR_FOP_LOCK_PARALLEL;
- afr_parallel_lock_wind (frame, this);
+ local->fop_lock_state = AFR_FOP_LOCK_PARALLEL;
+ afr_parallel_lock_wind(frame, this);
out:
- return -op_errno;
+ return -op_errno;
}
static int32_t
-afr_handle_inodelk (call_frame_t *frame, glusterfs_fop_t fop,
- const char *volume, loc_t *loc, fd_t *fd, int32_t cmd,
- struct gf_flock *flock, dict_t *xdata)
-{
- afr_local_t *local = NULL;
- int32_t op_errno = ENOMEM;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- local->op = fop;
- if (loc)
- loc_copy (&local->loc, loc);
- if (fd)
- local->fd = fd_ref (fd);
-
- local->cont.inodelk.volume = gf_strdup (volume);
- if (!local->cont.inodelk.volume) {
- op_errno = ENOMEM;
- goto out;
- }
-
- local->cont.inodelk.in_cmd = cmd;
- local->cont.inodelk.cmd = cmd;
- local->cont.inodelk.in_flock = *flock;
- local->cont.inodelk.flock = *flock;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
-
- op_errno = -afr_fop_handle_lock (frame, frame->this);
- if (op_errno)
- goto out;
- return 0;
+afr_handle_inodelk(call_frame_t *frame, xlator_t *this, glusterfs_fop_t fop,
+ const char *volume, loc_t *loc, fd_t *fd, int32_t cmd,
+ struct gf_flock *flock, dict_t *xdata)
+{
+ afr_local_t *local = NULL;
+ int32_t op_errno = ENOMEM;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ local->op = fop;
+ if (loc)
+ loc_copy(&local->loc, loc);
+ if (fd && (flock->l_type != F_UNLCK)) {
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local->fd = fd_ref(fd);
+ }
+
+ local->cont.inodelk.volume = gf_strdup(volume);
+ if (!local->cont.inodelk.volume) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ local->cont.inodelk.in_cmd = cmd;
+ local->cont.inodelk.cmd = cmd;
+ local->cont.inodelk.in_flock = *flock;
+ local->cont.inodelk.flock = *flock;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
+
+ op_errno = -afr_fop_handle_lock(frame, frame->this);
+ if (op_errno)
+ goto out;
+ return 0;
out:
- afr_fop_lock_unwind (frame, fop, -1, op_errno, NULL);
+ afr_fop_lock_unwind(frame, fop, -1, op_errno, NULL);
- return 0;
+ return 0;
}
int32_t
-afr_inodelk (call_frame_t *frame, xlator_t *this,
- const char *volume, loc_t *loc, int32_t cmd,
- struct gf_flock *flock, dict_t *xdata)
+afr_inodelk(call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc,
+ int32_t cmd, struct gf_flock *flock, dict_t *xdata)
{
- afr_handle_inodelk (frame, GF_FOP_INODELK, volume, loc, NULL, cmd,
- flock, xdata);
- return 0;
+ afr_handle_inodelk(frame, this, GF_FOP_INODELK, volume, loc, NULL, cmd,
+ flock, xdata);
+ return 0;
}
int32_t
-afr_finodelk (call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
- int32_t cmd, struct gf_flock *flock, dict_t *xdata)
+afr_finodelk(call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
+ int32_t cmd, struct gf_flock *flock, dict_t *xdata)
{
- afr_handle_inodelk (frame, GF_FOP_FINODELK, volume, NULL, fd, cmd,
- flock, xdata);
- return 0;
+ afr_handle_inodelk(frame, this, GF_FOP_FINODELK, volume, NULL, fd, cmd,
+ flock, xdata);
+ return 0;
}
static int
-afr_handle_entrylk (call_frame_t *frame, glusterfs_fop_t fop,
- const char *volume, loc_t *loc, fd_t *fd,
- const char *basename, entrylk_cmd cmd,
- entrylk_type type, dict_t *xdata)
+afr_handle_entrylk(call_frame_t *frame, xlator_t *this, glusterfs_fop_t fop,
+ const char *volume, loc_t *loc, fd_t *fd,
+ const char *basename, entrylk_cmd cmd, entrylk_type type,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int32_t op_errno = ENOMEM;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- local->op = fop;
- if (loc)
- loc_copy (&local->loc, loc);
- if (fd)
- local->fd = fd_ref (fd);
- local->cont.entrylk.cmd = cmd;
- local->cont.entrylk.in_cmd = cmd;
- local->cont.entrylk.type = type;
- local->cont.entrylk.volume = gf_strdup (volume);
- local->cont.entrylk.basename = gf_strdup (basename);
- if (!local->cont.entrylk.volume || !local->cont.entrylk.basename) {
- op_errno = ENOMEM;
- goto out;
- }
- if (xdata)
- local->xdata_req = dict_ref (xdata);
- op_errno = -afr_fop_handle_lock (frame, frame->this);
- if (op_errno)
- goto out;
-
- return 0;
+ afr_local_t *local = NULL;
+ int32_t op_errno = ENOMEM;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ local->op = fop;
+ if (loc)
+ loc_copy(&local->loc, loc);
+ if (fd && (cmd != ENTRYLK_UNLOCK)) {
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local->fd = fd_ref(fd);
+ }
+ local->cont.entrylk.cmd = cmd;
+ local->cont.entrylk.in_cmd = cmd;
+ local->cont.entrylk.type = type;
+ local->cont.entrylk.volume = gf_strdup(volume);
+ local->cont.entrylk.basename = gf_strdup(basename);
+ if (!local->cont.entrylk.volume || !local->cont.entrylk.basename) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
+ op_errno = -afr_fop_handle_lock(frame, frame->this);
+ if (op_errno)
+ goto out;
+
+ return 0;
out:
- afr_fop_lock_unwind (frame, fop, -1, op_errno, NULL);
- return 0;
+ afr_fop_lock_unwind(frame, fop, -1, op_errno, NULL);
+ return 0;
}
int
-afr_entrylk (call_frame_t *frame, xlator_t *this, const char *volume,
- loc_t *loc, const char *basename, entrylk_cmd cmd,
- entrylk_type type, dict_t *xdata)
+afr_entrylk(call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc,
+ const char *basename, entrylk_cmd cmd, entrylk_type type,
+ dict_t *xdata)
{
- afr_handle_entrylk (frame, GF_FOP_ENTRYLK, volume, loc, NULL, basename,
- cmd, type, xdata);
- return 0;
+ afr_handle_entrylk(frame, this, GF_FOP_ENTRYLK, volume, loc, NULL, basename,
+ cmd, type, xdata);
+ return 0;
}
int
-afr_fentrylk (call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
- const char *basename, entrylk_cmd cmd, entrylk_type type,
- dict_t *xdata)
+afr_fentrylk(call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
+ const char *basename, entrylk_cmd cmd, entrylk_type type,
+ dict_t *xdata)
{
- afr_handle_entrylk (frame, GF_FOP_FENTRYLK, volume, NULL, fd, basename,
- cmd, type, xdata);
- return 0;
+ afr_handle_entrylk(frame, this, GF_FOP_FENTRYLK, volume, NULL, fd, basename,
+ cmd, type, xdata);
+ return 0;
}
-
int
-afr_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
- int op_errno, struct statvfs *statvfs, dict_t *xdata)
+afr_statfs_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct statvfs *statvfs, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int call_count = 0;
- struct statvfs *buf = NULL;
+ afr_local_t *local = NULL;
+ int call_count = 0;
+ struct statvfs *buf = NULL;
- LOCK (&frame->lock);
- {
- local = frame->local;
-
- if (op_ret != 0) {
- local->op_errno = op_errno;
- goto unlock;
- }
-
- local->op_ret = op_ret;
-
- buf = &local->cont.statfs.buf;
- if (local->cont.statfs.buf_set) {
- if (statvfs->f_bavail < buf->f_bavail) {
- *buf = *statvfs;
- if (xdata) {
- if (local->xdata_rsp)
- dict_unref (local->xdata_rsp);
- local->xdata_rsp = dict_ref (xdata);
- }
- }
- } else {
- *buf = *statvfs;
- local->cont.statfs.buf_set = 1;
- if (xdata)
- local->xdata_rsp = dict_ref (xdata);
- }
+ local = frame->local;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret != 0) {
+ local->op_errno = op_errno;
+ goto unlock;
}
-unlock:
- UNLOCK (&frame->lock);
- call_count = afr_frame_return (frame);
+ local->op_ret = op_ret;
- if (call_count == 0)
- AFR_STACK_UNWIND (statfs, frame, local->op_ret, local->op_errno,
- &local->cont.statfs.buf, local->xdata_rsp);
+ buf = &local->cont.statfs.buf;
+ if (local->cont.statfs.buf_set) {
+ if (statvfs->f_bavail < buf->f_bavail) {
+ *buf = *statvfs;
+ if (xdata) {
+ if (local->xdata_rsp)
+ dict_unref(local->xdata_rsp);
+ local->xdata_rsp = dict_ref(xdata);
+ }
+ }
+ } else {
+ *buf = *statvfs;
+ local->cont.statfs.buf_set = 1;
+ if (xdata)
+ local->xdata_rsp = dict_ref(xdata);
+ }
+ }
+unlock:
+ call_count = --local->call_count;
+ UNLOCK(&frame->lock);
- return 0;
-}
+ if (call_count == 0)
+ AFR_STACK_UNWIND(statfs, frame, local->op_ret, local->op_errno,
+ &local->cont.statfs.buf, local->xdata_rsp);
+ return 0;
+}
int
-afr_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
-{
- afr_local_t * local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- int call_count = 0;
- int32_t op_errno = ENOMEM;
-
- priv = this->private;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- local->op = GF_FOP_STATFS;
- if (!afr_is_consistent_io_possible (local, priv, &op_errno))
- goto out;
-
- if (priv->arbiter_count == 1 && local->child_up[ARBITER_BRICK_INDEX])
- local->call_count--;
- call_count = local->call_count;
- if (!call_count) {
- op_errno = ENOTCONN;
- goto out;
- }
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- if (AFR_IS_ARBITER_BRICK(priv, i))
- continue;
- STACK_WIND (frame, afr_statfs_cbk,
- priv->children[i],
- priv->children[i]->fops->statfs,
- loc, xdata);
- if (!--call_count)
- break;
- }
+afr_statfs(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int call_count = 0;
+ int32_t op_errno = ENOMEM;
+
+ priv = this->private;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ local->op = GF_FOP_STATFS;
+ if (!afr_is_consistent_io_possible(local, priv, &op_errno))
+ goto out;
+
+ if (priv->arbiter_count == 1 && local->child_up[ARBITER_BRICK_INDEX])
+ local->call_count--;
+ call_count = local->call_count;
+ if (!call_count) {
+ op_errno = ENOTCONN;
+ goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ if (AFR_IS_ARBITER_BRICK(priv, i))
+ continue;
+ STACK_WIND(frame, afr_statfs_cbk, priv->children[i],
+ priv->children[i]->fops->statfs, loc, xdata);
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (statfs, frame, -1, op_errno, NULL, NULL);
+ AFR_STACK_UNWIND(statfs, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
int32_t
-afr_lk_unlock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct gf_flock *lock,
- dict_t *xdata)
+afr_lk_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct gf_flock *lock,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = this->private;
- int call_count = -1;
- int child_index = (long)cookie;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = this->private;
+ int call_count = -1;
+ int child_index = (long)cookie;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0 && op_errno != ENOTCONN && op_errno != EBADFD) {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- AFR_MSG_UNLOCK_FAIL,
- "gfid=%s: unlock failed on subvolume %s "
- "with lock owner %s",
- uuid_utoa (local->fd->inode->gfid),
- priv->children[child_index]->name,
- lkowner_utoa (&frame->root->lk_owner));
- }
+ if (op_ret < 0 && op_errno != ENOTCONN && op_errno != EBADFD) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_UNLOCK_FAIL,
+ "gfid=%s: unlock failed on subvolume %s "
+ "with lock owner %s",
+ uuid_utoa(local->fd->inode->gfid),
+ priv->children[child_index]->name,
+ lkowner_utoa(&frame->root->lk_owner));
+ }
- call_count = afr_frame_return (frame);
- if (call_count == 0)
- AFR_STACK_UNWIND (lk, frame, local->op_ret, local->op_errno,
- NULL, local->xdata_rsp);
+ call_count = afr_frame_return(frame);
+ if (call_count == 0) {
+ AFR_STACK_UNWIND(lk, frame, local->op_ret, local->op_errno, NULL,
+ local->xdata_rsp);
+ }
- return 0;
+ return 0;
}
-
int32_t
-afr_lk_unlock (call_frame_t *frame, xlator_t *this)
+afr_lk_unlock(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- afr_private_t * priv = NULL;
- int i = 0;
- int call_count = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int call_count = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- call_count = afr_locked_nodes_count (local->cont.lk.locked_nodes,
- priv->child_count);
+ call_count = afr_locked_nodes_count(local->cont.lk.locked_nodes,
+ priv->child_count);
- if (call_count == 0) {
- AFR_STACK_UNWIND (lk, frame, local->op_ret, local->op_errno,
- NULL, local->xdata_rsp);
- return 0;
- }
+ if (call_count == 0) {
+ AFR_STACK_UNWIND(lk, frame, local->op_ret, local->op_errno, NULL,
+ local->xdata_rsp);
+ return 0;
+ }
- local->call_count = call_count;
+ local->call_count = call_count;
- local->cont.lk.user_flock.l_type = F_UNLCK;
+ local->cont.lk.user_flock.l_type = F_UNLCK;
- for (i = 0; i < priv->child_count; i++) {
- if (local->cont.lk.locked_nodes[i]) {
- STACK_WIND_COOKIE (frame, afr_lk_unlock_cbk,
- (void *) (long) i, priv->children[i],
- priv->children[i]->fops->lk,
- local->fd, F_SETLK,
- &local->cont.lk.user_flock, NULL);
-
- if (!--call_count)
- break;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->cont.lk.locked_nodes[i]) {
+ STACK_WIND_COOKIE(frame, afr_lk_unlock_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->lk,
+ local->fd, F_SETLK, &local->cont.lk.user_flock,
+ NULL);
+
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
}
-
int32_t
-afr_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct gf_flock *lock,
- dict_t *xdata)
+afr_lk_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct gf_flock *lock, dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int child_index = -1;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int child_index = -1;
+ local = frame->local;
+ priv = this->private;
- local = frame->local;
- priv = this->private;
+ child_index = (long)cookie;
- child_index = (long) cookie;
+ afr_common_lock_cbk(frame, cookie, this, op_ret, op_errno, xdata);
+ if (op_ret < 0 && op_errno == EAGAIN) {
+ local->op_ret = -1;
+ local->op_errno = EAGAIN;
- afr_common_lock_cbk (frame, cookie, this, op_ret, op_errno, xdata);
- if (op_ret < 0 && op_errno == EAGAIN) {
- local->op_ret = -1;
- local->op_errno = EAGAIN;
+ afr_lk_unlock(frame, this);
+ return 0;
+ }
+
+ if (op_ret == 0) {
+ local->op_ret = 0;
+ local->op_errno = 0;
+ local->cont.lk.locked_nodes[child_index] = 1;
+ local->cont.lk.ret_flock = *lock;
+ }
+
+ child_index++;
+
+ if (child_index < priv->child_count) {
+ STACK_WIND_COOKIE(frame, afr_lk_cbk, (void *)(long)child_index,
+ priv->children[child_index],
+ priv->children[child_index]->fops->lk, local->fd,
+ local->cont.lk.cmd, &local->cont.lk.user_flock,
+ local->xdata_req);
+ } else if (priv->quorum_count &&
+ !afr_has_quorum(local->cont.lk.locked_nodes, this, NULL)) {
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(local, priv);
- afr_lk_unlock (frame, this);
- return 0;
- }
+ afr_lk_unlock(frame, this);
+ } else {
+ if (local->op_ret < 0)
+ local->op_errno = afr_final_errno(local, priv);
- if (op_ret == 0) {
- local->op_ret = 0;
- local->op_errno = 0;
- local->cont.lk.locked_nodes[child_index] = 1;
- local->cont.lk.ret_flock = *lock;
- }
-
- child_index++;
-
- if (child_index < priv->child_count) {
- STACK_WIND_COOKIE (frame, afr_lk_cbk, (void *) (long) child_index,
- priv->children[child_index],
- priv->children[child_index]->fops->lk,
- local->fd, local->cont.lk.cmd,
- &local->cont.lk.user_flock,
- local->xdata_req);
- } else if (priv->quorum_count &&
- !afr_has_quorum (local->cont.lk.locked_nodes, this)) {
- local->op_ret = -1;
- local->op_errno = afr_final_errno (local, priv);
-
- afr_lk_unlock (frame, this);
- } else {
- if (local->op_ret < 0)
- local->op_errno = afr_final_errno (local, priv);
+ AFR_STACK_UNWIND(lk, frame, local->op_ret, local->op_errno,
+ &local->cont.lk.ret_flock, local->xdata_rsp);
+ }
- AFR_STACK_UNWIND (lk, frame, local->op_ret, local->op_errno,
- &local->cont.lk.ret_flock, local->xdata_rsp);
- }
-
- return 0;
+ return 0;
}
int
-afr_lk (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int32_t cmd, struct gf_flock *flock, dict_t *xdata)
+afr_lk_transaction_cbk(int ret, call_frame_t *frame, void *opaque)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
- int32_t op_errno = ENOMEM;
+ return 0;
+}
- priv = this->private;
+int
+afr_lk_txn_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct gf_flock *lock,
+ dict_t *xdata)
+{
+ afr_local_t *local = NULL;
+ int child_index = -1;
+
+ local = frame->local;
+ child_index = (long)cookie;
+ afr_common_lock_cbk(frame, cookie, this, op_ret, op_errno, xdata);
+ if (op_ret == 0) {
+ local->op_ret = 0;
+ local->op_errno = 0;
+ local->cont.lk.locked_nodes[child_index] = 1;
+ local->cont.lk.ret_flock = *lock;
+ }
+ syncbarrier_wake(&local->barrier);
+ return 0;
+}
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+int
+afr_lk_txn_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct gf_flock *lock,
+ dict_t *xdata)
+{
+ afr_local_t *local = frame->local;
+ afr_private_t *priv = this->private;
+ int child_index = (long)cookie;
- local->op = GF_FOP_LK;
- if (!afr_lk_is_unlock (cmd, flock) &&
- !afr_is_consistent_io_possible (local, priv, &op_errno))
- goto out;
+ if (op_ret < 0 && op_errno != ENOTCONN && op_errno != EBADFD) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_UNLOCK_FAIL,
+ "gfid=%s: unlock failed on subvolume %s "
+ "with lock owner %s",
+ uuid_utoa(local->fd->inode->gfid),
+ priv->children[child_index]->name,
+ lkowner_utoa(&frame->root->lk_owner));
+ }
+ return 0;
+}
+int
+afr_lk_transaction(void *opaque)
+{
+ call_frame_t *frame = NULL;
+ xlator_t *this = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ char *wind_on = NULL;
+ int op_errno = 0;
+ int i = 0;
+ int ret = 0;
+
+ frame = (call_frame_t *)opaque;
+ local = frame->local;
+ this = frame->this;
+ priv = this->private;
+ wind_on = alloca0(priv->child_count);
+
+ if (priv->arbiter_count || priv->child_count != 3) {
+ op_errno = ENOTSUP;
+ gf_msg(frame->this->name, GF_LOG_ERROR, op_errno, AFR_MSG_LK_HEAL_DOM,
+ "%s: Lock healing supported only for replica 3 volumes.",
+ uuid_utoa(local->fd->inode->gfid));
+ goto err;
+ }
+
+ op_errno = -afr_dom_lock_acquire(frame); // Released during
+ // AFR_STACK_UNWIND
+ if (op_errno != 0) {
+ goto err;
+ }
+ if (priv->quorum_count &&
+ !afr_has_quorum(local->cont.lk.dom_locked_nodes, this, NULL)) {
+ op_errno = afr_final_errno(local, priv);
+ goto err;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (priv->child_up[i] && local->cont.lk.dom_locked_nodes[i])
+ wind_on[i] = 1;
+ }
+ AFR_ONLIST(wind_on, frame, afr_lk_txn_wind_cbk, lk, local->fd,
+ local->cont.lk.cmd, &local->cont.lk.user_flock,
+ local->xdata_req);
+
+ if (priv->quorum_count &&
+ !afr_has_quorum(local->cont.lk.locked_nodes, this, NULL)) {
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(local, priv);
+ goto unlock;
+ } else {
+ if (local->cont.lk.user_flock.l_type == F_UNLCK)
+ ret = afr_remove_lock_from_saved_locks(local, this);
+ else
+ ret = afr_add_lock_to_saved_locks(frame, this);
+ if (ret) {
+ local->op_ret = -1;
+ local->op_errno = -ret;
+ goto unlock;
+ }
+ AFR_STACK_UNWIND(lk, frame, local->op_ret, local->op_errno,
+ &local->cont.lk.ret_flock, local->xdata_rsp);
+ }
- local->cont.lk.locked_nodes = GF_CALLOC (priv->child_count,
- sizeof (*local->cont.lk.locked_nodes),
- gf_afr_mt_char);
+ return 0;
- if (!local->cont.lk.locked_nodes) {
- op_errno = ENOMEM;
- goto out;
- }
+unlock:
+ local->cont.lk.user_flock.l_type = F_UNLCK;
+ AFR_ONLIST(local->cont.lk.locked_nodes, frame, afr_lk_txn_unlock_cbk, lk,
+ local->fd, F_SETLK, &local->cont.lk.user_flock, NULL);
+err:
+ AFR_STACK_UNWIND(lk, frame, -1, op_errno, NULL, NULL);
+ return -1;
+}
- local->fd = fd_ref (fd);
- local->cont.lk.cmd = cmd;
- local->cont.lk.user_flock = *flock;
- local->cont.lk.ret_flock = *flock;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+int
+afr_lk(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd,
+ struct gf_flock *flock, dict_t *xdata)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int ret = 0;
+ int i = 0;
+ int32_t op_errno = ENOMEM;
+
+ priv = this->private;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ local->op = GF_FOP_LK;
+ if (!afr_lk_is_unlock(cmd, flock)) {
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ if (!afr_is_consistent_io_possible(local, priv, &op_errno))
+ goto out;
+ }
+
+ local->cont.lk.locked_nodes = GF_CALLOC(
+ priv->child_count, sizeof(*local->cont.lk.locked_nodes),
+ gf_afr_mt_char);
+
+ if (!local->cont.lk.locked_nodes) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ local->fd = fd_ref(fd);
+ local->cont.lk.cmd = cmd;
+ local->cont.lk.user_flock = *flock;
+ local->cont.lk.ret_flock = *flock;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
+
+ if (afr_is_lock_mode_mandatory(xdata)) {
+ ret = synctask_new(this->ctx->env, afr_lk_transaction,
+ afr_lk_transaction_cbk, frame, frame);
+ if (ret) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+ return 0;
+ }
- STACK_WIND_COOKIE (frame, afr_lk_cbk, (void *) (long) 0,
- priv->children[i],
- priv->children[i]->fops->lk,
- fd, cmd, flock, local->xdata_req);
+ STACK_WIND_COOKIE(frame, afr_lk_cbk, (void *)(long)0, priv->children[i],
+ priv->children[i]->fops->lk, fd, cmd, flock,
+ local->xdata_req);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (lk, frame, -1, op_errno, NULL, NULL);
+ AFR_STACK_UNWIND(lk, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
int32_t
-afr_lease_unlock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct gf_lease *lease,
- dict_t *xdata)
+afr_lease_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct gf_lease *lease,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int call_count = -1;
+ afr_local_t *local = NULL;
+ int call_count = -1;
- local = frame->local;
- call_count = afr_frame_return (frame);
+ local = frame->local;
+ call_count = afr_frame_return(frame);
- if (call_count == 0)
- AFR_STACK_UNWIND (lease, frame, local->op_ret, local->op_errno,
- lease, xdata);
+ if (call_count == 0)
+ AFR_STACK_UNWIND(lease, frame, local->op_ret, local->op_errno, lease,
+ xdata);
- return 0;
+ return 0;
}
int32_t
-afr_lease_unlock (call_frame_t *frame, xlator_t *this)
+afr_lease_unlock(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- int call_count = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int call_count = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- call_count = afr_locked_nodes_count (local->cont.lease.locked_nodes,
- priv->child_count);
+ call_count = afr_locked_nodes_count(local->cont.lease.locked_nodes,
+ priv->child_count);
- if (call_count == 0) {
- AFR_STACK_UNWIND (lease, frame, local->op_ret, local->op_errno,
- &local->cont.lease.ret_lease, NULL);
- return 0;
- }
+ if (call_count == 0) {
+ AFR_STACK_UNWIND(lease, frame, local->op_ret, local->op_errno,
+ &local->cont.lease.ret_lease, NULL);
+ return 0;
+ }
- local->call_count = call_count;
+ local->call_count = call_count;
- local->cont.lease.user_lease.cmd = GF_UNLK_LEASE;
+ local->cont.lease.user_lease.cmd = GF_UNLK_LEASE;
- for (i = 0; i < priv->child_count; i++) {
- if (local->cont.lease.locked_nodes[i]) {
- STACK_WIND (frame, afr_lease_unlock_cbk,
- priv->children[i],
- priv->children[i]->fops->lease,
- &local->loc, &local->cont.lease.user_lease, NULL);
-
- if (!--call_count)
- break;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->cont.lease.locked_nodes[i]) {
+ STACK_WIND(frame, afr_lease_unlock_cbk, priv->children[i],
+ priv->children[i]->fops->lease, &local->loc,
+ &local->cont.lease.user_lease, NULL);
+
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
}
int32_t
-afr_lease_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct gf_lease *lease,
- dict_t *xdata)
+afr_lease_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct gf_lease *lease, dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int child_index = -1;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int child_index = -1;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- child_index = (long) cookie;
+ child_index = (long)cookie;
- afr_common_lock_cbk (frame, cookie, this, op_ret, op_errno, xdata);
- if (op_ret < 0 && op_errno == EAGAIN) {
- local->op_ret = -1;
- local->op_errno = EAGAIN;
+ afr_common_lock_cbk(frame, cookie, this, op_ret, op_errno, xdata);
+ if (op_ret < 0 && op_errno == EAGAIN) {
+ local->op_ret = -1;
+ local->op_errno = EAGAIN;
- afr_lease_unlock (frame, this);
- return 0;
- }
+ afr_lease_unlock(frame, this);
+ return 0;
+ }
- if (op_ret == 0) {
- local->op_ret = 0;
- local->op_errno = 0;
- local->cont.lease.locked_nodes[child_index] = 1;
- local->cont.lease.ret_lease = *lease;
- }
-
- child_index++;
- if (child_index < priv->child_count) {
- STACK_WIND_COOKIE (frame, afr_lease_cbk, (void *) (long) child_index,
- priv->children[child_index],
- priv->children[child_index]->fops->lease,
- &local->loc, &local->cont.lease.user_lease, xdata);
- } else if (priv->quorum_count &&
- !afr_has_quorum (local->cont.lk.locked_nodes, this)) {
- local->op_ret = -1;
- local->op_errno = afr_final_errno (local, priv);
-
- afr_lease_unlock (frame, this);
- } else {
- if (local->op_ret < 0)
- local->op_errno = afr_final_errno (local, priv);
- AFR_STACK_UNWIND (lease, frame, local->op_ret, local->op_errno,
- &local->cont.lease.ret_lease, NULL);
- }
+ if (op_ret == 0) {
+ local->op_ret = 0;
+ local->op_errno = 0;
+ local->cont.lease.locked_nodes[child_index] = 1;
+ local->cont.lease.ret_lease = *lease;
+ }
+
+ child_index++;
+ if (child_index < priv->child_count) {
+ STACK_WIND_COOKIE(frame, afr_lease_cbk, (void *)(long)child_index,
+ priv->children[child_index],
+ priv->children[child_index]->fops->lease, &local->loc,
+ &local->cont.lease.user_lease, xdata);
+ } else if (priv->quorum_count &&
+ !afr_has_quorum(local->cont.lease.locked_nodes, this, NULL)) {
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(local, priv);
- return 0;
+ afr_lease_unlock(frame, this);
+ } else {
+ if (local->op_ret < 0)
+ local->op_errno = afr_final_errno(local, priv);
+ AFR_STACK_UNWIND(lease, frame, local->op_ret, local->op_errno,
+ &local->cont.lease.ret_lease, NULL);
+ }
+
+ return 0;
}
int
-afr_lease (call_frame_t *frame, xlator_t *this,
- loc_t *loc, struct gf_lease *lease, dict_t *xdata)
+afr_lease(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ struct gf_lease *lease, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int32_t op_errno = ENOMEM;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int32_t op_errno = ENOMEM;
- priv = this->private;
+ priv = this->private;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_LEASE;
- local->cont.lease.locked_nodes = GF_CALLOC (priv->child_count,
- sizeof (*local->cont.lease.locked_nodes),
- gf_afr_mt_char);
+ local->op = GF_FOP_LEASE;
+ local->cont.lease.locked_nodes = GF_CALLOC(
+ priv->child_count, sizeof(*local->cont.lease.locked_nodes),
+ gf_afr_mt_char);
- if (!local->cont.lease.locked_nodes) {
- op_errno = ENOMEM;
- goto out;
- }
+ if (!local->cont.lease.locked_nodes) {
+ op_errno = ENOMEM;
+ goto out;
+ }
- loc_copy (&local->loc, loc);
- local->cont.lease.user_lease = *lease;
- local->cont.lease.ret_lease = *lease;
+ loc_copy(&local->loc, loc);
+ local->cont.lease.user_lease = *lease;
+ local->cont.lease.ret_lease = *lease;
- STACK_WIND_COOKIE (frame, afr_lease_cbk, (void *) (long) 0,
- priv->children[0],
- priv->children[0]->fops->lease,
- loc, lease, xdata);
+ STACK_WIND_COOKIE(frame, afr_lease_cbk, (void *)(long)0, priv->children[0],
+ priv->children[0]->fops->lease, loc, lease, xdata);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (lease, frame, -1, op_errno, NULL, NULL);
+ AFR_STACK_UNWIND(lease, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
int
-afr_ipc_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- afr_local_t *local = NULL;
- int child_index = (long)cookie;
- int call_count = 0;
- gf_boolean_t failed = _gf_false;
- gf_boolean_t succeeded = _gf_false;
- int i = 0;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- local->replies[child_index].valid = 1;
- local->replies[child_index].op_ret = op_ret;
- local->replies[child_index].op_errno = op_errno;
- if (xdata)
- local->replies[child_index].xdata = dict_ref (xdata);
-
- call_count = afr_frame_return (frame);
- if (call_count)
- goto out;
- /* If any of the subvolumes failed with other than ENOTCONN
- * return error else return success unless all the subvolumes
- * failed.
- * TODO: In case of failure, we need to unregister the xattrs
- * from the other subvolumes where it succeeded (once upcall
- * fixes the Bz-1371622)*/
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
- if (local->replies[i].op_ret < 0 &&
- local->replies[i].op_errno != ENOTCONN) {
- local->op_ret = local->replies[i].op_ret;
- local->op_errno = local->replies[i].op_errno;
- if (local->xdata_rsp)
- dict_unref (local->xdata_rsp);
- local->xdata_rsp = NULL;
- if (local->replies[i].xdata) {
- local->xdata_rsp =
- dict_ref (local->replies[i].xdata);
- }
- failed = _gf_true;
- break;
- }
- if (local->replies[i].op_ret == 0) {
- succeeded = _gf_true;
- local->op_ret = 0;
- local->op_errno = 0;
- if (!local->xdata_rsp && local->replies[i].xdata) {
- local->xdata_rsp =
- dict_ref (local->replies[i].xdata);
- }
- }
+afr_ipc_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
+{
+ afr_local_t *local = NULL;
+ int child_index = (long)cookie;
+ int call_count = 0;
+ gf_boolean_t failed = _gf_false;
+ gf_boolean_t succeeded = _gf_false;
+ int i = 0;
+ afr_private_t *priv = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ local->replies[child_index].valid = 1;
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+ if (xdata)
+ local->replies[child_index].xdata = dict_ref(xdata);
+
+ call_count = afr_frame_return(frame);
+ if (call_count)
+ goto out;
+ /* If any of the subvolumes failed with other than ENOTCONN
+ * return error else return success unless all the subvolumes
+ * failed.
+ * TODO: In case of failure, we need to unregister the xattrs
+ * from the other subvolumes where it succeeded (once upcall
+ * fixes the Bz-1371622)*/
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+ if (local->replies[i].op_ret < 0 &&
+ local->replies[i].op_errno != ENOTCONN) {
+ local->op_ret = local->replies[i].op_ret;
+ local->op_errno = local->replies[i].op_errno;
+ if (local->xdata_rsp)
+ dict_unref(local->xdata_rsp);
+ local->xdata_rsp = NULL;
+ if (local->replies[i].xdata) {
+ local->xdata_rsp = dict_ref(local->replies[i].xdata);
+ }
+ failed = _gf_true;
+ break;
+ }
+ if (local->replies[i].op_ret == 0) {
+ succeeded = _gf_true;
+ local->op_ret = 0;
+ local->op_errno = 0;
+ if (!local->xdata_rsp && local->replies[i].xdata) {
+ local->xdata_rsp = dict_ref(local->replies[i].xdata);
+ }
}
+ }
- if (!succeeded && !failed) {
- local->op_ret = -1;
- local->op_errno = ENOTCONN;
- }
+ if (!succeeded && !failed) {
+ local->op_ret = -1;
+ local->op_errno = ENOTCONN;
+ }
- AFR_STACK_UNWIND (ipc, frame, local->op_ret, local->op_errno,
- local->xdata_rsp);
+ AFR_STACK_UNWIND(ipc, frame, local->op_ret, local->op_errno,
+ local->xdata_rsp);
out:
- return 0;
+ return 0;
}
int
-afr_ipc (call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata)
+afr_ipc(call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int32_t op_errno = -1;
- afr_private_t *priv = NULL;
- int i = 0;
- int call_cnt = -1;
+ afr_local_t *local = NULL;
+ int32_t op_errno = -1;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int call_cnt = -1;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
- if (op != GF_IPC_TARGET_UPCALL)
- goto wind_default;
+ if (op != GF_IPC_TARGET_UPCALL)
+ goto wind_default;
- VALIDATE_OR_GOTO (this->private, err);
- priv = this->private;
+ VALIDATE_OR_GOTO(this->private, err);
+ priv = this->private;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto err;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto err;
- call_cnt = local->call_count;
+ call_cnt = local->call_count;
- if (xdata) {
- for (i = 0; i < priv->child_count; i++) {
- if (dict_set_int8 (xdata, priv->pending_key[i], 0) < 0)
- goto err;
- }
+ if (xdata) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (dict_set_int8(xdata, priv->pending_key[i], 0) < 0)
+ goto err;
}
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (!local->child_up[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->child_up[i])
+ continue;
- STACK_WIND_COOKIE (frame, afr_ipc_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->ipc,
- op, xdata);
- if (!--call_cnt)
- break;
- }
- return 0;
+ STACK_WIND_COOKIE(frame, afr_ipc_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->ipc, op,
+ xdata);
+ if (!--call_cnt)
+ break;
+ }
+ return 0;
err:
- if (op_errno == -1)
- op_errno = errno;
- AFR_STACK_UNWIND (ipc, frame, -1, op_errno, NULL);
+ if (op_errno == -1)
+ op_errno = errno;
+ AFR_STACK_UNWIND(ipc, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
wind_default:
- STACK_WIND (frame, default_ipc_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->ipc, op, xdata);
- return 0;
+ STACK_WIND(frame, default_ipc_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->ipc, op, xdata);
+ return 0;
}
int
-afr_forget (xlator_t *this, inode_t *inode)
+afr_forget(xlator_t *this, inode_t *inode)
{
- uint64_t ctx_int = 0;
- afr_inode_ctx_t *ctx = NULL;
-
- afr_spb_choice_timeout_cancel (this, inode);
- inode_ctx_del (inode, this, &ctx_int);
- if (!ctx_int)
- return 0;
+ uint64_t ctx_int = 0;
+ afr_inode_ctx_t *ctx = NULL;
- ctx = (afr_inode_ctx_t *)ctx_int;
- afr_inode_ctx_destroy (ctx);
+ afr_spb_choice_timeout_cancel(this, inode);
+ inode_ctx_del(inode, this, &ctx_int);
+ if (!ctx_int)
return 0;
+
+ ctx = (afr_inode_ctx_t *)(uintptr_t)ctx_int;
+ afr_inode_ctx_destroy(ctx);
+ return 0;
}
int
-afr_priv_dump (xlator_t *this)
-{
- afr_private_t *priv = NULL;
- char key_prefix[GF_DUMP_MAX_BUF_LEN];
- char key[GF_DUMP_MAX_BUF_LEN];
- int i = 0;
-
-
- GF_ASSERT (this);
- priv = this->private;
-
- GF_ASSERT (priv);
- snprintf(key_prefix, GF_DUMP_MAX_BUF_LEN, "%s.%s", this->type, this->name);
- gf_proc_dump_add_section(key_prefix);
- gf_proc_dump_write("child_count", "%u", priv->child_count);
- for (i = 0; i < priv->child_count; i++) {
- sprintf (key, "child_up[%d]", i);
- gf_proc_dump_write(key, "%d", priv->child_up[i]);
- sprintf (key, "pending_key[%d]", i);
- gf_proc_dump_write(key, "%s", priv->pending_key[i]);
- sprintf (key, "pending_reads[%d]", i);
- gf_proc_dump_write(key, "%"PRId64, GF_ATOMIC_GET(priv->pending_reads[i]));
- sprintf (key, "child_latency[%d]", i);
- gf_proc_dump_write(key, "%"PRId64, priv->child_latency[i]);
- }
- gf_proc_dump_write("data_self_heal", "%s", priv->data_self_heal);
- gf_proc_dump_write("metadata_self_heal", "%d", priv->metadata_self_heal);
- gf_proc_dump_write("entry_self_heal", "%d", priv->entry_self_heal);
- gf_proc_dump_write("read_child", "%d", priv->read_child);
- gf_proc_dump_write("wait_count", "%u", priv->wait_count);
- gf_proc_dump_write("heal-wait-queue-length", "%d",
- priv->heal_wait_qlen);
- gf_proc_dump_write("heal-waiters", "%d", priv->heal_waiters);
- gf_proc_dump_write("background-self-heal-count", "%d",
- priv->background_self_heal_count);
- gf_proc_dump_write("healers", "%d", priv->healers);
- gf_proc_dump_write("read-hash-mode", "%d", priv->hash_mode);
- if (priv->quorum_count == AFR_QUORUM_AUTO) {
- gf_proc_dump_write ("quorum-type", "auto");
- } else if (priv->quorum_count == 0) {
- gf_proc_dump_write ("quorum-type", "none");
- } else {
- gf_proc_dump_write("quorum-type", "fixed");
- gf_proc_dump_write("quorum-count", "%d", priv->quorum_count);
- }
- gf_proc_dump_write("up", "%u", afr_has_quorum (priv->child_up, this));
-
- return 0;
+afr_priv_dump(xlator_t *this)
+{
+ afr_private_t *priv = NULL;
+ char key_prefix[GF_DUMP_MAX_BUF_LEN];
+ char key[GF_DUMP_MAX_BUF_LEN];
+ int i = 0;
+
+ GF_ASSERT(this);
+ priv = this->private;
+
+ GF_ASSERT(priv);
+ snprintf(key_prefix, GF_DUMP_MAX_BUF_LEN, "%s.%s", this->type, this->name);
+ gf_proc_dump_add_section("%s", key_prefix);
+ gf_proc_dump_write("child_count", "%u", priv->child_count);
+ for (i = 0; i < priv->child_count; i++) {
+ sprintf(key, "child_up[%d]", i);
+ gf_proc_dump_write(key, "%d", priv->child_up[i]);
+ sprintf(key, "pending_key[%d]", i);
+ gf_proc_dump_write(key, "%s", priv->pending_key[i]);
+ sprintf(key, "pending_reads[%d]", i);
+ gf_proc_dump_write(key, "%" PRId64,
+ GF_ATOMIC_GET(priv->pending_reads[i]));
+ sprintf(key, "child_latency[%d]", i);
+ gf_proc_dump_write(key, "%" PRId64, priv->child_latency[i]);
+ sprintf(key, "halo_child_up[%d]", i);
+ gf_proc_dump_write(key, "%d", priv->halo_child_up[i]);
+ }
+ gf_proc_dump_write("data_self_heal", "%d", priv->data_self_heal);
+ gf_proc_dump_write("metadata_self_heal", "%d", priv->metadata_self_heal);
+ gf_proc_dump_write("entry_self_heal", "%d", priv->entry_self_heal);
+ gf_proc_dump_write("read_child", "%d", priv->read_child);
+ gf_proc_dump_write("wait_count", "%u", priv->wait_count);
+ gf_proc_dump_write("heal-wait-queue-length", "%d", priv->heal_wait_qlen);
+ gf_proc_dump_write("heal-waiters", "%d", priv->heal_waiters);
+ gf_proc_dump_write("background-self-heal-count", "%d",
+ priv->background_self_heal_count);
+ gf_proc_dump_write("healers", "%d", priv->healers);
+ gf_proc_dump_write("read-hash-mode", "%d", priv->hash_mode);
+ gf_proc_dump_write("use-anonymous-inode", "%d", priv->use_anon_inode);
+ if (priv->quorum_count == AFR_QUORUM_AUTO) {
+ gf_proc_dump_write("quorum-type", "auto");
+ } else if (priv->quorum_count == 0) {
+ gf_proc_dump_write("quorum-type", "none");
+ } else {
+ gf_proc_dump_write("quorum-type", "fixed");
+ gf_proc_dump_write("quorum-count", "%d", priv->quorum_count);
+ }
+ gf_proc_dump_write("up", "%u", afr_has_quorum(priv->child_up, this, NULL));
+ if (priv->thin_arbiter_count) {
+ gf_proc_dump_write("ta_child_up", "%d", priv->ta_child_up);
+ gf_proc_dump_write("ta_bad_child_index", "%d",
+ priv->ta_bad_child_index);
+ gf_proc_dump_write("ta_notify_dom_lock_offset", "%" PRId64,
+ priv->ta_notify_dom_lock_offset);
+ }
+
+ return 0;
}
-
/**
* find_child_index - find the child's index in the array of subvolumes
* @this: AFR
@@ -4917,1834 +5723,2156 @@ afr_priv_dump (xlator_t *this)
*/
static int
-find_child_index (xlator_t *this, xlator_t *child)
+afr_find_child_index(xlator_t *this, xlator_t *child)
{
- afr_private_t *priv = NULL;
- int i = -1;
+ afr_private_t *priv = NULL;
+ int child_count = -1;
+ int i = -1;
- priv = this->private;
+ priv = this->private;
+ child_count = priv->child_count;
+ if (priv->thin_arbiter_count) {
+ child_count++;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if ((xlator_t *) child == priv->children[i])
- break;
- }
+ for (i = 0; i < child_count; i++) {
+ if ((xlator_t *)child == priv->children[i])
+ break;
+ }
- return i;
+ return i;
}
-static int
-__afr_get_up_children_count (afr_private_t *priv)
+int
+__afr_get_up_children_count(afr_private_t *priv)
{
- int up_children = 0;
- int i = 0;
+ int up_children = 0;
+ int i = 0;
- for (i = 0; i < priv->child_count; i++)
- if (priv->child_up[i] == 1)
- up_children++;
+ for (i = 0; i < priv->child_count; i++)
+ if (priv->child_up[i] == 1)
+ up_children++;
- return up_children;
+ return up_children;
}
-glusterfs_event_t
-__afr_transform_event_from_state (afr_private_t *priv)
+static int
+__get_heard_from_all_status(xlator_t *this)
{
- int i = 0;
- int up_children = 0;
-
- if (AFR_COUNT (priv->last_event, priv->child_count) ==
- priv->child_count)
- /* have_heard_from_all. Let afr_notify() do the propagation. */
- return GF_EVENT_MAXVAL;
+ afr_private_t *priv = this->private;
+ int i;
- up_children = __afr_get_up_children_count (priv);
- /* Treat the children with pending notification, as having sent a
- * GF_EVENT_CHILD_DOWN. i.e. set the event as GF_EVENT_SOME_DESCENDENT_DOWN,
- * as done in afr_notify() */
- for (i = 0; i < priv->child_count; i++) {
- if (priv->last_event[i])
- continue;
- priv->last_event[i] = GF_EVENT_SOME_DESCENDENT_DOWN;
- priv->child_up[i] = 0;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!priv->last_event[i]) {
+ return 0;
}
+ }
+ if (priv->thin_arbiter_count && !priv->ta_child_up) {
+ return 0;
+ }
+ return 1;
+}
- if (up_children)
- /* We received at least one child up */
- return GF_EVENT_CHILD_UP;
- else
- return GF_EVENT_CHILD_DOWN;
+glusterfs_event_t
+__afr_transform_event_from_state(xlator_t *this)
+{
+ int i = 0;
+ int up_children = 0;
+ afr_private_t *priv = this->private;
+ if (__get_heard_from_all_status(this))
+ /* have_heard_from_all. Let afr_notify() do the propagation. */
return GF_EVENT_MAXVAL;
-}
-static void
-afr_notify_cbk (void *data)
-{
- xlator_t *this = data;
- afr_private_t *priv = this->private;
- glusterfs_event_t event = GF_EVENT_MAXVAL;
- gf_boolean_t propagate = _gf_false;
+ up_children = __afr_get_up_children_count(priv);
+ /* Treat the children with pending notification, as having sent a
+ * GF_EVENT_CHILD_DOWN. i.e. set the event as GF_EVENT_SOME_DESCENDENT_DOWN,
+ * as done in afr_notify() */
+ for (i = 0; i < priv->child_count; i++) {
+ if (priv->last_event[i])
+ continue;
+ priv->last_event[i] = GF_EVENT_SOME_DESCENDENT_DOWN;
+ priv->child_up[i] = 0;
+ }
- LOCK (&priv->lock);
- {
- if (!priv->timer) {
- /*
- * Either child_up/child_down is already sent to parent.
- * This is a spurious wake up.
- */
- goto unlock;
- }
- priv->timer = NULL;
- event = __afr_transform_event_from_state (priv);
- if (event != GF_EVENT_MAXVAL)
- propagate = _gf_true;
- }
-unlock:
- UNLOCK (&priv->lock);
- if (propagate)
- default_notify (this, event, NULL);
+ if (up_children)
+ /* We received at least one child up */
+ return GF_EVENT_CHILD_UP;
+ else
+ return GF_EVENT_CHILD_DOWN;
+
+ return GF_EVENT_MAXVAL;
}
static void
-__afr_launch_notify_timer (xlator_t *this, afr_private_t *priv)
-{
-
- struct timespec delay = {0, };
-
- gf_msg_debug (this->name, 0, "Initiating child-down timer");
- delay.tv_sec = 10;
- delay.tv_nsec = 0;
- priv->timer = gf_timer_call_after (this->ctx, delay,
- afr_notify_cbk, this);
- if (priv->timer == NULL) {
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_TIMER_CREATE_FAIL,
- "Cannot create timer for delayed initialization");
- }
+afr_notify_cbk(void *data)
+{
+ xlator_t *this = data;
+ afr_private_t *priv = this->private;
+ glusterfs_event_t event = GF_EVENT_MAXVAL;
+ gf_boolean_t propagate = _gf_false;
+
+ LOCK(&priv->lock);
+ {
+ if (!priv->timer) {
+ /*
+ * Either child_up/child_down is already sent to parent.
+ * This is a spurious wake up.
+ */
+ goto unlock;
+ }
+ priv->timer = NULL;
+ event = __afr_transform_event_from_state(this);
+ if (event != GF_EVENT_MAXVAL)
+ propagate = _gf_true;
+ }
+unlock:
+ UNLOCK(&priv->lock);
+ if (propagate)
+ default_notify(this, event, NULL);
}
-int
-__get_heard_from_all_status (xlator_t *this)
+static void
+__afr_launch_notify_timer(xlator_t *this, afr_private_t *priv)
{
- afr_private_t *priv = this->private;
- int heard_from_all = 1;
- int i = 0;
+ struct timespec delay = {
+ 0,
+ };
- for (i = 0; i < priv->child_count; i++) {
- if (!priv->last_event[i]) {
- heard_from_all = 0;
- break;
- }
- }
- return heard_from_all;
+ gf_msg_debug(this->name, 0, "Initiating child-down timer");
+ delay.tv_sec = 10;
+ delay.tv_nsec = 0;
+ priv->timer = gf_timer_call_after(this->ctx, delay, afr_notify_cbk, this);
+ if (priv->timer == NULL) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_TIMER_CREATE_FAIL,
+ "Cannot create timer for delayed initialization");
+ }
}
static int
-find_best_down_child (xlator_t *this)
+find_best_down_child(xlator_t *this)
{
- afr_private_t *priv = NULL;
- int i = -1;
- int32_t best_child = -1;
- int64_t best_latency = INT64_MAX;
+ afr_private_t *priv = NULL;
+ int i = -1;
+ int32_t best_child = -1;
+ int64_t best_latency = INT64_MAX;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (priv->child_up[i] &&
- priv->child_latency[i] >= 0 &&
- priv->child_latency[i] < best_latency) {
- best_child = i;
- best_latency = priv->child_latency[i];
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!priv->child_up[i] && priv->child_latency[i] >= 0 &&
+ priv->child_latency[i] < best_latency) {
+ best_child = i;
+ best_latency = priv->child_latency[i];
}
- if (best_child >= 0) {
- gf_msg_debug (this->name, 0, "Found best down child (%d) "
- "@ %ld ms latency", best_child, best_latency);
- }
- return best_child;
+ }
+ if (best_child >= 0) {
+ gf_msg_debug(this->name, 0,
+ "Found best down child (%d) @ %" PRId64 " ms latency",
+ best_child, best_latency);
+ }
+ return best_child;
}
int
-find_worst_up_child (xlator_t *this)
+find_worst_up_child(xlator_t *this)
{
- afr_private_t *priv = NULL;
- int i = -1;
- int32_t worst_child = -1;
- int64_t worst_latency = INT64_MIN;
+ afr_private_t *priv = NULL;
+ int i = -1;
+ int32_t worst_child = -1;
+ int64_t worst_latency = INT64_MIN;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (priv->child_up[i] &&
- priv->child_latency[i] >= 0 &&
- priv->child_latency[i] > worst_latency) {
- worst_child = i;
- worst_latency = priv->child_latency[i];
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (priv->child_up[i] && priv->child_latency[i] >= 0 &&
+ priv->child_latency[i] > worst_latency) {
+ worst_child = i;
+ worst_latency = priv->child_latency[i];
}
- if (worst_child >= 0) {
- gf_msg_debug (this->name, 0, "Found worst up child (%d)"
- " @ %ld ms latency", worst_child, worst_latency);
- }
- return worst_child;
+ }
+ if (worst_child >= 0) {
+ gf_msg_debug(this->name, 0,
+ "Found worst up child (%d) @ %" PRId64 " ms latency",
+ worst_child, worst_latency);
+ }
+ return worst_child;
}
void
-__afr_handle_ping_event (xlator_t *this, xlator_t *child_xlator,
- const int idx, int64_t halo_max_latency_msec, int32_t *event,
- int64_t child_latency_msec)
+__afr_handle_ping_event(xlator_t *this, xlator_t *child_xlator, const int idx,
+ int64_t halo_max_latency_msec, int32_t *event,
+ int64_t child_latency_msec)
{
- afr_private_t *priv = NULL;
- int up_children = 0;
+ afr_private_t *priv = NULL;
+ int up_children = 0;
- priv = this->private;
+ priv = this->private;
- priv->child_latency[idx] = child_latency_msec;
- gf_msg_debug (child_xlator->name, 0, "Client ping @ %ld ms",
- child_latency_msec);
- if (priv->shd.iamshd)
- return;
-
- up_children = __afr_get_up_children_count (priv);
-
- if (child_latency_msec > halo_max_latency_msec &&
- priv->child_up[idx] == 1 &&
- up_children > priv->halo_min_replicas) {
- if ((up_children - 1) <
- priv->halo_min_replicas) {
- gf_log (child_xlator->name, GF_LOG_INFO,
- "Overriding halo threshold, "
- "min replicas: %d",
- priv->halo_min_replicas);
- } else {
- gf_log (child_xlator->name, GF_LOG_INFO,
- "Child latency (%ld ms) "
- "exceeds halo threshold (%ld), "
- "marking child down.",
- child_latency_msec,
- halo_max_latency_msec);
- *event = GF_EVENT_CHILD_DOWN;
- }
- } else if (child_latency_msec < halo_max_latency_msec &&
- priv->child_up[idx] == 0) {
- if (up_children < priv->halo_max_replicas) {
- gf_log (child_xlator->name, GF_LOG_INFO,
- "Child latency (%ld ms) "
- "below halo threshold (%ld), "
- "marking child up.",
- child_latency_msec,
- halo_max_latency_msec);
- *event = GF_EVENT_CHILD_UP;
- } else {
- gf_log (child_xlator->name, GF_LOG_INFO,
- "Not marking child %d up, "
- "max replicas (%d) reached.", idx,
- priv->halo_max_replicas);
- }
+ priv->child_latency[idx] = child_latency_msec;
+ gf_msg_debug(child_xlator->name, 0, "Client ping @ %" PRId64 " ms",
+ child_latency_msec);
+ if (priv->shd.iamshd)
+ return;
+
+ up_children = __afr_get_up_children_count(priv);
+
+ if (child_latency_msec > halo_max_latency_msec &&
+ priv->child_up[idx] == 1 && up_children > priv->halo_min_replicas) {
+ if ((up_children - 1) < priv->halo_min_replicas) {
+ gf_log(child_xlator->name, GF_LOG_INFO,
+ "Overriding halo threshold, "
+ "min replicas: %d",
+ priv->halo_min_replicas);
+ } else {
+ gf_log(child_xlator->name, GF_LOG_INFO,
+ "Child latency (%" PRId64
+ " ms) "
+ "exceeds halo threshold (%" PRId64
+ "), "
+ "marking child down.",
+ child_latency_msec, halo_max_latency_msec);
+ if (priv->halo_child_up[idx]) {
+ *event = GF_EVENT_CHILD_DOWN;
+ }
}
+ } else if (child_latency_msec < halo_max_latency_msec &&
+ priv->child_up[idx] == 0) {
+ if (up_children < priv->halo_max_replicas) {
+ gf_log(child_xlator->name, GF_LOG_INFO,
+ "Child latency (%" PRId64
+ " ms) "
+ "below halo threshold (%" PRId64
+ "), "
+ "marking child up.",
+ child_latency_msec, halo_max_latency_msec);
+ if (priv->halo_child_up[idx]) {
+ *event = GF_EVENT_CHILD_UP;
+ }
+ } else {
+ gf_log(child_xlator->name, GF_LOG_INFO,
+ "Not marking child %d up, "
+ "max replicas (%d) reached.",
+ idx, priv->halo_max_replicas);
+ }
+ }
}
static int64_t
-afr_get_halo_latency (xlator_t *this)
+afr_get_halo_latency(xlator_t *this)
{
- afr_private_t *priv = NULL;
- int64_t halo_max_latency_msec = 0;
+ afr_private_t *priv = NULL;
+ int64_t halo_max_latency_msec = 0;
- priv = this->private;
+ priv = this->private;
- if (priv->shd.iamshd) {
- halo_max_latency_msec = priv->shd.halo_max_latency_msec;
- } else if (priv->nfsd.iamnfsd) {
- halo_max_latency_msec =
- priv->nfsd.halo_max_latency_msec;
- } else {
- halo_max_latency_msec = priv->halo_max_latency_msec;
- }
- gf_msg_debug (this->name, 0, "Using halo latency %ld",
- halo_max_latency_msec);
- return halo_max_latency_msec;
+ if (priv->shd.iamshd) {
+ halo_max_latency_msec = priv->shd.halo_max_latency_msec;
+ } else if (priv->nfsd.iamnfsd) {
+ halo_max_latency_msec = priv->nfsd.halo_max_latency_msec;
+ } else {
+ halo_max_latency_msec = priv->halo_max_latency_msec;
+ }
+ gf_msg_debug(this->name, 0, "Using halo latency %" PRId64,
+ halo_max_latency_msec);
+ return halo_max_latency_msec;
}
void
-__afr_handle_child_up_event (xlator_t *this, xlator_t *child_xlator,
- const int idx, int64_t child_latency_msec,
- int32_t *event, int32_t *call_psh, int32_t *up_child)
-{
- afr_private_t *priv = NULL;
- int up_children = 0;
- int worst_up_child = -1;
- int64_t halo_max_latency_msec = afr_get_halo_latency (this);
-
- priv = this->private;
-
- /*
- * This only really counts if the child was never up
- * (value = -1) or had been down (value = 0). See
- * comment at GF_EVENT_CHILD_DOWN for a more detailed
- * explanation.
- */
- if (priv->child_up[idx] != 1) {
- priv->event_generation++;
- }
- priv->child_up[idx] = 1;
-
- *call_psh = 1;
- *up_child = idx;
- up_children = __afr_get_up_children_count (priv);
- /*
- * If this is an _actual_ CHILD_UP event, we
- * want to set the child_latency to MAX to indicate
- * the child needs ping data to be available before doing child-up
- */
- if (child_latency_msec < 0 && priv->halo_enabled) {
- /*set to INT64_MAX-1 so that it is found for best_down_child*/
- priv->child_latency[idx] = AFR_HALO_MAX_LATENCY;
- }
-
- /*
- * Handle the edge case where we exceed
- * halo_min_replicas and we've got a child which is
- * marked up as it was helping to satisfy the
- * halo_min_replicas even though it's latency exceeds
- * halo_max_latency_msec.
- */
- if (up_children > priv->halo_min_replicas) {
- worst_up_child = find_worst_up_child (this);
- if (worst_up_child >= 0 &&
- priv->child_latency[worst_up_child] >
- halo_max_latency_msec) {
- gf_msg_debug (this->name, 0, "Marking child %d down, "
- "doesn't meet halo threshold (%ld), and > "
- "halo_min_replicas (%d)",
- worst_up_child, halo_max_latency_msec,
- priv->halo_min_replicas);
- priv->child_up[worst_up_child] = 0;
- up_children--;
- }
- }
-
- if (up_children > priv->halo_max_replicas &&
- !priv->shd.iamshd) {
- worst_up_child = find_worst_up_child (this);
- if (worst_up_child < 0) {
- worst_up_child = idx;
- }
- priv->child_up[worst_up_child] = 0;
- up_children--;
- gf_msg_debug (this->name, 0, "Marking child %d down, "
- "up_children (%d) > halo_max_replicas (%d)",
- worst_up_child, up_children, priv->halo_max_replicas);
- }
-
- if (up_children == 1) {
- gf_msg (this->name, GF_LOG_INFO, 0, AFR_MSG_SUBVOL_UP,
- "Subvolume '%s' came back up; "
- "going online.",
- child_xlator->name);
- gf_event (EVENT_AFR_SUBVOL_UP, "subvol=%s", this->name);
- } else {
- *event = GF_EVENT_SOME_DESCENDENT_UP;
- }
+__afr_handle_child_up_event(xlator_t *this, xlator_t *child_xlator,
+ const int idx, int64_t child_latency_msec,
+ int32_t *event, int32_t *call_psh,
+ int32_t *up_child)
+{
+ afr_private_t *priv = NULL;
+ int up_children = 0;
+ int worst_up_child = -1;
+ int64_t halo_max_latency_msec = afr_get_halo_latency(this);
+
+ priv = this->private;
+
+ /*
+ * This only really counts if the child was never up
+ * (value = -1) or had been down (value = 0). See
+ * comment at GF_EVENT_CHILD_DOWN for a more detailed
+ * explanation.
+ */
+ if (priv->child_up[idx] != 1) {
+ priv->event_generation++;
+ }
+ priv->child_up[idx] = 1;
+
+ *call_psh = 1;
+ *up_child = idx;
+ up_children = __afr_get_up_children_count(priv);
+ /*
+ * If this is an _actual_ CHILD_UP event, we
+ * want to set the child_latency to MAX to indicate
+ * the child needs ping data to be available before doing child-up
+ */
+ if (!priv->halo_enabled)
+ goto out;
+
+ if (child_latency_msec < 0) {
+ /*set to INT64_MAX-1 so that it is found for best_down_child*/
+ priv->halo_child_up[idx] = 1;
+ if (priv->child_latency[idx] < 0) {
+ priv->child_latency[idx] = AFR_HALO_MAX_LATENCY;
+ }
+ }
+
+ /*
+ * Handle the edge case where we exceed
+ * halo_min_replicas and we've got a child which is
+ * marked up as it was helping to satisfy the
+ * halo_min_replicas even though it's latency exceeds
+ * halo_max_latency_msec.
+ */
+ if (up_children > priv->halo_min_replicas) {
+ worst_up_child = find_worst_up_child(this);
+ if (worst_up_child >= 0 &&
+ priv->child_latency[worst_up_child] > halo_max_latency_msec) {
+ gf_msg_debug(this->name, 0,
+ "Marking child %d down, "
+ "doesn't meet halo threshold (%" PRId64
+ "), and > "
+ "halo_min_replicas (%d)",
+ worst_up_child, halo_max_latency_msec,
+ priv->halo_min_replicas);
+ priv->child_up[worst_up_child] = 0;
+ up_children--;
+ }
+ }
+
+ if (up_children > priv->halo_max_replicas && !priv->shd.iamshd) {
+ worst_up_child = find_worst_up_child(this);
+ if (worst_up_child < 0) {
+ worst_up_child = idx;
+ }
+ priv->child_up[worst_up_child] = 0;
+ up_children--;
+ gf_msg_debug(this->name, 0,
+ "Marking child %d down, "
+ "up_children (%d) > halo_max_replicas (%d)",
+ worst_up_child, up_children, priv->halo_max_replicas);
+ }
+out:
+ if (up_children == 1) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SUBVOL_UP,
+ "Subvolume '%s' came back up; "
+ "going online.",
+ child_xlator->name);
+ gf_event(EVENT_AFR_SUBVOL_UP, "client-pid=%d; subvol=%s",
+ this->ctx->cmd_args.client_pid, this->name);
+ } else {
+ *event = GF_EVENT_SOME_DESCENDENT_UP;
+ }
- priv->last_event[idx] = *event;
+ priv->last_event[idx] = *event;
}
void
-__afr_handle_child_down_event (xlator_t *this, xlator_t *child_xlator,
- int idx, int64_t child_latency_msec, int32_t *event,
- int32_t *call_psh, int32_t *up_child)
-{
- afr_private_t *priv = NULL;
- int i = 0;
- int up_children = 0;
- int down_children = 0;
- int best_down_child = -1;
-
- priv = this->private;
-
- /*
- * If a brick is down when we start, we'll get a
- * CHILD_DOWN to indicate its initial state. There
- * was never a CHILD_UP in this case, so if we
- * increment "down_count" the difference between than
- * and "up_count" will no longer be the number of
- * children that are currently up. This has serious
- * implications e.g. for quorum enforcement, so we
- * don't increment these values unless the event
- * represents an actual state transition between "up"
- * (value = 1) and anything else.
- */
- if (priv->child_up[idx] == 1) {
- priv->event_generation++;
- }
+__afr_handle_child_down_event(xlator_t *this, xlator_t *child_xlator, int idx,
+ int64_t child_latency_msec, int32_t *event,
+ int32_t *call_psh, int32_t *up_child)
+{
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int up_children = 0;
+ int down_children = 0;
+ int best_down_child = -1;
+
+ priv = this->private;
+
+ /*
+ * If a brick is down when we start, we'll get a
+ * CHILD_DOWN to indicate its initial state. There
+ * was never a CHILD_UP in this case, so if we
+ * increment "down_count" the difference between than
+ * and "up_count" will no longer be the number of
+ * children that are currently up. This has serious
+ * implications e.g. for quorum enforcement, so we
+ * don't increment these values unless the event
+ * represents an actual state transition between "up"
+ * (value = 1) and anything else.
+ */
+ if (priv->child_up[idx] == 1) {
+ priv->event_generation++;
+ }
+
+ /*
+ * If this is an _actual_ CHILD_DOWN event, we
+ * want to set the child_latency to < 0 to indicate
+ * the child is really disconnected.
+ */
+ if (child_latency_msec < 0) {
+ priv->child_latency[idx] = child_latency_msec;
+ priv->halo_child_up[idx] = 0;
+ }
+ priv->child_up[idx] = 0;
+
+ up_children = __afr_get_up_children_count(priv);
+ /*
+ * Handle the edge case where we need to find the
+ * next best child (to mark up) as marking this child
+ * down would cause us to fall below halo_min_replicas.
+ * We will also force the SHD to heal this child _now_
+ * as we want it to be up to date if we are going to
+ * begin using it synchronously.
+ */
+ if (priv->halo_enabled && up_children < priv->halo_min_replicas) {
+ best_down_child = find_best_down_child(this);
+ if (best_down_child >= 0) {
+ gf_msg_debug(this->name, 0,
+ "Swapping out child %d for "
+ "child %d to satisfy halo_min_replicas (%d).",
+ idx, best_down_child, priv->halo_min_replicas);
+ priv->child_up[best_down_child] = 1;
+ *call_psh = 1;
+ *up_child = best_down_child;
+ }
+ }
+ for (i = 0; i < priv->child_count; i++)
+ if (priv->child_up[i] == 0)
+ down_children++;
+ if (down_children == priv->child_count) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SUBVOLS_DOWN,
+ "All subvolumes are down. Going "
+ "offline until at least one of them "
+ "comes back up.");
+ gf_event(EVENT_AFR_SUBVOLS_DOWN, "client-pid=%d; subvol=%s",
+ this->ctx->cmd_args.client_pid, this->name);
+ } else {
+ *event = GF_EVENT_SOME_DESCENDENT_DOWN;
+ }
+ priv->last_event[idx] = *event;
+}
- /*
- * If this is an _actual_ CHILD_DOWN event, we
- * want to set the child_latency to < 0 to indicate
- * the child is really disconnected.
- */
- if (child_latency_msec < 0) {
- priv->child_latency[idx] = child_latency_msec;
- }
- priv->child_up[idx] = 0;
+void
+afr_ta_lock_release_synctask(xlator_t *this)
+{
+ call_frame_t *ta_frame = NULL;
+ int ret = 0;
- up_children = __afr_get_up_children_count (priv);
- /*
- * Handle the edge case where we need to find the
- * next best child (to mark up) as marking this child
- * down would cause us to fall below halo_min_replicas.
- * We will also force the SHD to heal this child _now_
- * as we want it to be up to date if we are going to
- * begin using it synchronously.
- */
- if (up_children < priv->halo_min_replicas) {
- best_down_child = find_best_down_child (this);
- if (best_down_child >= 0) {
- gf_msg_debug (this->name, 0,
- "Swapping out child %d for "
- "child %d to satisfy halo_min_replicas (%d).",
- idx, best_down_child, priv->halo_min_replicas);
- priv->child_up[best_down_child] = 1;
- *call_psh = 1;
- *up_child = best_down_child;
- }
- }
+ ta_frame = afr_ta_frame_create(this);
+ if (!ta_frame) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_THIN_ARB,
+ "Failed to create ta_frame");
+ return;
+ }
- for (i = 0; i < priv->child_count; i++)
- if (priv->child_up[i] == 0)
- down_children++;
- if (down_children == priv->child_count) {
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_SUBVOLS_DOWN,
- "All subvolumes are down. Going "
- "offline until at least one of them "
- "comes back up.");
- gf_event (EVENT_AFR_SUBVOLS_DOWN, "subvol=%s", this->name);
- } else {
- *event = GF_EVENT_SOME_DESCENDENT_DOWN;
- }
- priv->last_event[idx] = *event;
+ ret = synctask_new(this->ctx->env, afr_release_notify_lock_for_ta,
+ afr_ta_lock_release_done, ta_frame, this);
+ if (ret) {
+ STACK_DESTROY(ta_frame->root);
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_THIN_ARB,
+ "Failed to release "
+ "AFR_TA_DOM_NOTIFY lock.");
+ }
}
-int32_t
-afr_notify (xlator_t *this, int32_t event,
- void *data, void *data2)
-{
- afr_private_t *priv = NULL;
- xlator_t *child_xlator = NULL;
- int i = -1;
- int propagate = 0;
- int had_heard_from_all = 0;
- int have_heard_from_all = 0;
- int idx = -1;
- int ret = -1;
- int call_psh = 0;
- int up_child = -1;
- dict_t *input = NULL;
- dict_t *output = NULL;
- gf_boolean_t had_quorum = _gf_false;
- gf_boolean_t has_quorum = _gf_false;
- struct gf_upcall *up_data = NULL;
- struct gf_upcall_cache_invalidation *up_ci = NULL;
- inode_table_t *itable = NULL;
- inode_t *inode = NULL;
- int64_t halo_max_latency_msec = 0;
- int64_t child_latency_msec = -1;
-
- child_xlator = (xlator_t *)data;
-
- priv = this->private;
-
- if (!priv)
- return 0;
-
- /*
- * We need to reset this in case children come up in "staggered"
- * fashion, so that we discover a late-arriving local subvolume. Note
- * that we could end up issuing N lookups to the first subvolume, and
- * O(N^2) overall, but N is small for AFR so it shouldn't be an issue.
- */
- priv->did_discovery = _gf_false;
+static void
+afr_handle_inodelk_contention(xlator_t *this, struct gf_upcall *upcall)
+{
+ struct gf_upcall_inodelk_contention *lc = NULL;
+ unsigned int inmem_count = 0;
+ unsigned int onwire_count = 0;
+ afr_private_t *priv = this->private;
+ lc = upcall->data;
- /* parent xlators don't need to know about every child_up, child_down
- * because of afr ha. If all subvolumes go down, child_down has
- * to be triggered. In that state when 1 subvolume comes up child_up
- * needs to be triggered. dht optimizes revalidate lookup by sending
- * it only to one of its subvolumes. When child up/down happens
- * for afr's subvolumes dht should be notified by child_modified. The
- * subsequent revalidate lookup happens on all the dht's subvolumes
- * which triggers afr self-heals if any.
- */
- idx = find_child_index (this, child_xlator);
- if (idx < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_CHILD_UP,
- "Received child_up from invalid subvolume");
- goto out;
- }
+ if (strcmp(lc->domain, AFR_TA_DOM_NOTIFY) != 0)
+ return;
- had_quorum = priv->quorum_count && afr_has_quorum (priv->child_up,
- this);
- if (priv->halo_enabled) {
- halo_max_latency_msec = afr_get_halo_latency (this);
-
- if (event == GF_EVENT_CHILD_PING) {
- /* Calculates the child latency and sets event
- */
- child_latency_msec = (int64_t)(uintptr_t)data2;
- LOCK (&priv->lock);
- {
- __afr_handle_ping_event (this, child_xlator,
- idx, halo_max_latency_msec, &event,
- child_latency_msec);
- }
- UNLOCK (&priv->lock);
- }
- }
+ if (priv->shd.iamshd) {
+ /* shd should ignore AFR_TA_DOM_NOTIFY release requests. */
+ return;
+ }
+ LOCK(&priv->lock);
+ {
+ if (priv->release_ta_notify_dom_lock == _gf_true) {
+ /* Ignore multiple release requests from shds.*/
+ UNLOCK(&priv->lock);
+ return;
+ }
+ priv->release_ta_notify_dom_lock = _gf_true;
+ inmem_count = priv->ta_in_mem_txn_count;
+ onwire_count = priv->ta_on_wire_txn_count;
+ }
+ UNLOCK(&priv->lock);
+ if (inmem_count || onwire_count)
+ /* lock release will happen in txn code path after
+ * in-memory or on-wire txns are over.*/
+ return;
- if (event == GF_EVENT_CHILD_PING) {
- /* This is the only xlator that handles PING, no reason to
- * propagate.
- */
- goto out;
+ afr_ta_lock_release_synctask(this);
+}
+
+static void
+afr_handle_upcall_event(xlator_t *this, struct gf_upcall *upcall)
+{
+ struct gf_upcall_cache_invalidation *up_ci = NULL;
+ afr_private_t *priv = this->private;
+ inode_t *inode = NULL;
+ inode_table_t *itable = NULL;
+ int i = 0;
+
+ switch (upcall->event_type) {
+ case GF_UPCALL_INODELK_CONTENTION:
+ afr_handle_inodelk_contention(this, upcall);
+ break;
+ case GF_UPCALL_CACHE_INVALIDATION:
+ up_ci = (struct gf_upcall_cache_invalidation *)upcall->data;
+
+ /* Since md-cache will be aggressively filtering
+ * lookups, the stale read issue will be more
+ * pronounced. Hence when a pending xattr is set notify
+ * all the md-cache clients to invalidate the existing
+ * stat cache and send the lookup next time */
+ if (!up_ci->dict)
+ break;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!dict_get(up_ci->dict, priv->pending_key[i]))
+ continue;
+ up_ci->flags |= UP_INVAL_ATTR;
+ itable = ((xlator_t *)this->graph->top)->itable;
+ /*Internal processes may not have itable for
+ *top xlator*/
+ if (itable)
+ inode = inode_find(itable, upcall->gfid);
+ if (inode)
+ afr_inode_need_refresh_set(inode, this);
+ break;
}
+ break;
+ default:
+ break;
+ }
+}
- if (event == GF_EVENT_TRANSLATOR_OP) {
- LOCK (&priv->lock);
- {
- had_heard_from_all = __get_heard_from_all_status (this);
- }
- UNLOCK (&priv->lock);
-
- if (!had_heard_from_all) {
- ret = -1;
- } else {
- input = data;
- output = data2;
- ret = afr_xl_op (this, input, output);
- }
- goto out;
+int32_t
+afr_notify(xlator_t *this, int32_t event, void *data, void *data2)
+{
+ afr_private_t *priv = NULL;
+ xlator_t *child_xlator = NULL;
+ int i = -1;
+ int propagate = 0;
+ int had_heard_from_all = 0;
+ int have_heard_from_all = 0;
+ int idx = -1;
+ int ret = -1;
+ int call_psh = 0;
+ int up_child = -1;
+ dict_t *input = NULL;
+ dict_t *output = NULL;
+ gf_boolean_t had_quorum = _gf_false;
+ gf_boolean_t has_quorum = _gf_false;
+ int64_t halo_max_latency_msec = 0;
+ int64_t child_latency_msec = -1;
+
+ child_xlator = (xlator_t *)data;
+
+ priv = this->private;
+
+ if (!priv)
+ return 0;
+
+ /*
+ * We need to reset this in case children come up in "staggered"
+ * fashion, so that we discover a late-arriving local subvolume. Note
+ * that we could end up issuing N lookups to the first subvolume, and
+ * O(N^2) overall, but N is small for AFR so it shouldn't be an issue.
+ */
+ priv->did_discovery = _gf_false;
+
+ /* parent xlators don't need to know about every child_up, child_down
+ * because of afr ha. If all subvolumes go down, child_down has
+ * to be triggered. In that state when 1 subvolume comes up child_up
+ * needs to be triggered. dht optimizes revalidate lookup by sending
+ * it only to one of its subvolumes. When child up/down happens
+ * for afr's subvolumes dht should be notified by child_modified. The
+ * subsequent revalidate lookup happens on all the dht's subvolumes
+ * which triggers afr self-heals if any.
+ */
+ idx = afr_find_child_index(this, child_xlator);
+ if (idx < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_CHILD_UP,
+ "Received child_up from invalid subvolume");
+ goto out;
+ }
+
+ had_quorum = priv->quorum_count &&
+ afr_has_quorum(priv->child_up, this, NULL);
+ if (event == GF_EVENT_CHILD_PING) {
+ child_latency_msec = (int64_t)(uintptr_t)data2;
+ if (priv->halo_enabled) {
+ halo_max_latency_msec = afr_get_halo_latency(this);
+
+ /* Calculates the child latency and sets event
+ */
+ LOCK(&priv->lock);
+ {
+ __afr_handle_ping_event(this, child_xlator, idx,
+ halo_max_latency_msec, &event,
+ child_latency_msec);
+ }
+ UNLOCK(&priv->lock);
+ } else {
+ LOCK(&priv->lock);
+ {
+ priv->child_latency[idx] = child_latency_msec;
+ }
+ UNLOCK(&priv->lock);
}
+ }
+
+ if (event == GF_EVENT_CHILD_PING) {
+ /* This is the only xlator that handles PING, no reason to
+ * propagate.
+ */
+ goto out;
+ }
- LOCK (&priv->lock);
+ if (event == GF_EVENT_TRANSLATOR_OP) {
+ LOCK(&priv->lock);
{
- had_heard_from_all = __get_heard_from_all_status (this);
- switch (event) {
- case GF_EVENT_PARENT_UP:
- __afr_launch_notify_timer (this, priv);
- propagate = 1;
- break;
- case GF_EVENT_CHILD_UP:
- __afr_handle_child_up_event (this, child_xlator,
- idx, child_latency_msec, &event, &call_psh,
- &up_child);
- break;
-
- case GF_EVENT_CHILD_DOWN:
- __afr_handle_child_down_event (this, child_xlator, idx,
- child_latency_msec, &event, &call_psh,
- &up_child);
- break;
-
- case GF_EVENT_CHILD_CONNECTING:
- priv->last_event[idx] = event;
-
- break;
-
- case GF_EVENT_SOME_DESCENDENT_DOWN:
- priv->last_event[idx] = event;
- break;
- case GF_EVENT_UPCALL:
- up_data = (struct gf_upcall *)data;
- if (up_data->event_type != GF_UPCALL_CACHE_INVALIDATION)
- break;
- up_ci = (struct gf_upcall_cache_invalidation *)up_data->data;
-
- /* Since md-cache will be aggressively filtering
- * lookups, the stale read issue will be more
- * pronounced. Hence when a pending xattr is set notify
- * all the md-cache clients to invalidate the existing
- * stat cache and send the lookup next time */
- if (!up_ci->dict)
- break;
- for (i = 0; i < priv->child_count; i++) {
- if (dict_get (up_ci->dict, priv->pending_key[i])) {
- up_ci->flags |= UP_INVAL_ATTR;
- itable = ((xlator_t *)this->graph->top)->itable;
- /*Internal processes may not have itable for top xlator*/
- if (itable)
- inode = inode_find (itable, up_data->gfid);
- if (inode)
- afr_inode_need_refresh_set (inode, this);
-
- break;
- }
- }
- break;
- default:
- propagate = 1;
- break;
- }
- have_heard_from_all = __get_heard_from_all_status (this);
- if (!had_heard_from_all && have_heard_from_all) {
- if (priv->timer) {
- gf_timer_call_cancel (this->ctx, priv->timer);
- priv->timer = NULL;
- }
- /* This is the first event which completes aggregation
- of events from all subvolumes. If at least one subvol
- had come up, propagate CHILD_UP, but only this time
- */
- event = GF_EVENT_CHILD_DOWN;
- for (i = 0; i < priv->child_count; i++) {
- if (priv->last_event[i] == GF_EVENT_CHILD_UP) {
- event = GF_EVENT_CHILD_UP;
- break;
- }
-
- if (priv->last_event[i] ==
- GF_EVENT_CHILD_CONNECTING) {
- event = GF_EVENT_CHILD_CONNECTING;
- /* continue to check other events for CHILD_UP */
- }
- }
- }
+ had_heard_from_all = __get_heard_from_all_status(this);
}
- UNLOCK (&priv->lock);
+ UNLOCK(&priv->lock);
- if (priv->quorum_count) {
- has_quorum = afr_has_quorum (priv->child_up, this);
- if (!had_quorum && has_quorum) {
- gf_msg (this->name, GF_LOG_INFO, 0, AFR_MSG_QUORUM_MET,
- "Client-quorum is met");
- gf_event (EVENT_AFR_QUORUM_MET,
- "subvol=%s", this->name);
+ if (!had_heard_from_all) {
+ ret = -1;
+ } else {
+ input = data;
+ output = data2;
+ ret = afr_xl_op(this, input, output);
+ }
+ goto out;
+ }
+
+ if (event == GF_EVENT_UPCALL) {
+ afr_handle_upcall_event(this, data);
+ }
+
+ LOCK(&priv->lock);
+ {
+ had_heard_from_all = __get_heard_from_all_status(this);
+ switch (event) {
+ case GF_EVENT_PARENT_UP:
+ __afr_launch_notify_timer(this, priv);
+ propagate = 1;
+ break;
+ case GF_EVENT_CHILD_UP:
+ if (priv->thin_arbiter_count &&
+ (idx == AFR_CHILD_THIN_ARBITER)) {
+ priv->ta_child_up = 1;
+ priv->ta_event_gen++;
+ break;
}
- if (had_quorum && !has_quorum) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_QUORUM_FAIL,
- "Client-quorum is not met");
- gf_event (EVENT_AFR_QUORUM_FAIL, "subvol=%s",
- this->name);
+ __afr_handle_child_up_event(this, child_xlator, idx,
+ child_latency_msec, &event,
+ &call_psh, &up_child);
+ __afr_lock_heal_synctask(this, priv, idx);
+ break;
+
+ case GF_EVENT_CHILD_DOWN:
+ if (priv->thin_arbiter_count &&
+ (idx == AFR_CHILD_THIN_ARBITER)) {
+ priv->ta_child_up = 0;
+ priv->ta_event_gen++;
+ afr_ta_locked_priv_invalidate(priv);
+ break;
}
- }
+ __afr_handle_child_down_event(this, child_xlator, idx,
+ child_latency_msec, &event,
+ &call_psh, &up_child);
+ __afr_mark_pending_lk_heal(this, priv, idx);
+ break;
+
+ case GF_EVENT_CHILD_CONNECTING:
+ priv->last_event[idx] = event;
+
+ break;
- /* if all subvols have reported status, no need to hide anything
- or wait for anything else. Just propagate blindly */
- if (have_heard_from_all)
+ case GF_EVENT_SOME_DESCENDENT_DOWN:
+ priv->last_event[idx] = event;
+ break;
+ default:
propagate = 1;
+ break;
+ }
+ have_heard_from_all = __get_heard_from_all_status(this);
+ if (!had_heard_from_all && have_heard_from_all) {
+ if (priv->timer) {
+ gf_timer_call_cancel(this->ctx, priv->timer);
+ priv->timer = NULL;
+ }
+ /* This is the first event which completes aggregation
+ of events from all subvolumes. If at least one subvol
+ had come up, propagate CHILD_UP, but only this time
+ */
+ event = GF_EVENT_CHILD_DOWN;
+ for (i = 0; i < priv->child_count; i++) {
+ if (priv->last_event[i] == GF_EVENT_CHILD_UP) {
+ event = GF_EVENT_CHILD_UP;
+ break;
+ }
- ret = 0;
- if (propagate)
- ret = default_notify (this, event, data);
-
- if ((!had_heard_from_all) || call_psh) {
- /* Launch self-heal on all local subvolumes if:
- * a) We have_heard_from_all for the first time
- * b) Already heard from everyone, but we now got a child-up
- * event.
- */
- if (have_heard_from_all && priv->shd.iamshd) {
- for (i = 0; i < priv->child_count; i++)
- if (priv->child_up[i])
- afr_selfheal_childup (this, i);
+ if (priv->last_event[i] == GF_EVENT_CHILD_CONNECTING) {
+ event = GF_EVENT_CHILD_CONNECTING;
+ /* continue to check other events for CHILD_UP */
}
+ }
+ }
+ }
+ UNLOCK(&priv->lock);
+
+ if (priv->quorum_count) {
+ has_quorum = afr_has_quorum(priv->child_up, this, NULL);
+ if (!had_quorum && has_quorum) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_QUORUM_MET,
+ "Client-quorum is met");
+ gf_event(EVENT_AFR_QUORUM_MET, "client-pid=%d; subvol=%s",
+ this->ctx->cmd_args.client_pid, this->name);
+ }
+ if (had_quorum && !has_quorum) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_QUORUM_FAIL,
+ "Client-quorum is not met");
+ gf_event(EVENT_AFR_QUORUM_FAIL, "client-pid=%d; subvol=%s",
+ this->ctx->cmd_args.client_pid, this->name);
+ }
+ }
+
+ /* if all subvols have reported status, no need to hide anything
+ or wait for anything else. Just propagate blindly */
+ if (have_heard_from_all)
+ propagate = 1;
+
+ ret = 0;
+ if (propagate)
+ ret = default_notify(this, event, data);
+
+ if ((!had_heard_from_all) || call_psh) {
+ /* Launch self-heal on all local subvolumes if:
+ * a) We have_heard_from_all for the first time
+ * b) Already heard from everyone, but we now got a child-up
+ * event.
+ */
+ if (have_heard_from_all) {
+ afr_selfheal_childup(this, priv);
}
+ }
out:
- return ret;
+ return ret;
}
int
-afr_local_init (afr_local_t *local, afr_private_t *priv, int32_t *op_errno)
+afr_local_init(afr_local_t *local, afr_private_t *priv, int32_t *op_errno)
{
- int __ret = -1;
- local->op_ret = -1;
- local->op_errno = EUCLEAN;
+ int __ret = -1;
+ local->op_ret = -1;
+ local->op_errno = EUCLEAN;
- __ret = syncbarrier_init (&local->barrier);
- if (__ret) {
- if (op_errno)
- *op_errno = __ret;
- goto out;
- }
-
- local->child_up = GF_CALLOC (priv->child_count,
- sizeof (*local->child_up),
- gf_afr_mt_char);
- if (!local->child_up) {
- if (op_errno)
- *op_errno = ENOMEM;
- goto out;
- }
-
- memcpy (local->child_up, priv->child_up,
- sizeof (*local->child_up) * priv->child_count);
- local->call_count = AFR_COUNT (local->child_up, priv->child_count);
- if (local->call_count == 0) {
- gf_msg (THIS->name, GF_LOG_INFO, 0,
- AFR_MSG_SUBVOLS_DOWN, "no subvolumes up");
- if (op_errno)
- *op_errno = ENOTCONN;
- goto out;
- }
-
- local->event_generation = priv->event_generation;
+ __ret = syncbarrier_init(&local->barrier);
+ if (__ret) {
+ if (op_errno)
+ *op_errno = __ret;
+ goto out;
+ }
- local->read_attempted = GF_CALLOC (priv->child_count, sizeof (char),
- gf_afr_mt_char);
- if (!local->read_attempted) {
- if (op_errno)
- *op_errno = ENOMEM;
- goto out;
- }
+ local->child_up = GF_MALLOC(priv->child_count * sizeof(*local->child_up),
+ gf_afr_mt_char);
+ if (!local->child_up) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
+
+ memcpy(local->child_up, priv->child_up,
+ sizeof(*local->child_up) * priv->child_count);
+ local->call_count = AFR_COUNT(local->child_up, priv->child_count);
+ if (local->call_count == 0) {
+ gf_msg(THIS->name, GF_LOG_INFO, 0, AFR_MSG_SUBVOLS_DOWN,
+ "no subvolumes up");
+ if (op_errno)
+ *op_errno = ENOTCONN;
+ goto out;
+ }
- local->readable = GF_CALLOC (priv->child_count, sizeof (char),
- gf_afr_mt_char);
- if (!local->readable) {
- if (op_errno)
- *op_errno = ENOMEM;
- goto out;
- }
+ local->event_generation = priv->event_generation;
- local->readable2 = GF_CALLOC (priv->child_count, sizeof (char),
+ local->read_attempted = GF_CALLOC(priv->child_count, sizeof(char),
gf_afr_mt_char);
- if (!local->readable2) {
- if (op_errno)
- *op_errno = ENOMEM;
- goto out;
- }
+ if (!local->read_attempted) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
- local->read_subvol = -1;
+ local->readable = GF_CALLOC(priv->child_count, sizeof(char),
+ gf_afr_mt_char);
+ if (!local->readable) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
- local->replies = GF_CALLOC(priv->child_count, sizeof(*local->replies),
- gf_afr_mt_reply_t);
- if (!local->replies) {
- if (op_errno)
- *op_errno = ENOMEM;
- goto out;
- }
+ local->readable2 = GF_CALLOC(priv->child_count, sizeof(char),
+ gf_afr_mt_char);
+ if (!local->readable2) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
- local->need_full_crawl = _gf_false;
+ local->read_subvol = -1;
- INIT_LIST_HEAD (&local->healer);
- return 0;
+ local->replies = GF_CALLOC(priv->child_count, sizeof(*local->replies),
+ gf_afr_mt_reply_t);
+ if (!local->replies) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
+
+ local->need_full_crawl = _gf_false;
+ if (priv->thin_arbiter_count) {
+ local->ta_child_up = priv->ta_child_up;
+ local->ta_failed_subvol = AFR_CHILD_UNKNOWN;
+ local->read_txn_query_child = AFR_CHILD_UNKNOWN;
+ local->ta_event_gen = priv->ta_event_gen;
+ local->fop_state = TA_SUCCESS;
+ }
+ local->is_new_entry = _gf_false;
+
+ INIT_LIST_HEAD(&local->healer);
+ return 0;
out:
- return -1;
+ return -1;
}
int
-afr_internal_lock_init (afr_internal_lock_t *lk, size_t child_count)
+afr_internal_lock_init(afr_internal_lock_t *lk, size_t child_count)
{
- int ret = -ENOMEM;
+ int ret = -ENOMEM;
- lk->locked_nodes = GF_CALLOC (sizeof (*lk->locked_nodes),
- child_count, gf_afr_mt_char);
- if (NULL == lk->locked_nodes)
- goto out;
+ lk->lower_locked_nodes = GF_CALLOC(sizeof(*lk->lower_locked_nodes),
+ child_count, gf_afr_mt_char);
+ if (NULL == lk->lower_locked_nodes)
+ goto out;
- lk->lower_locked_nodes = GF_CALLOC (sizeof (*lk->lower_locked_nodes),
- child_count, gf_afr_mt_char);
- if (NULL == lk->lower_locked_nodes)
- goto out;
+ lk->lock_op_ret = -1;
+ lk->lock_op_errno = EUCLEAN;
- lk->lock_op_ret = -1;
- lk->lock_op_errno = EUCLEAN;
-
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
void
-afr_matrix_cleanup (int32_t **matrix, unsigned int m)
+afr_matrix_cleanup(int32_t **matrix, unsigned int m)
{
- int i = 0;
+ int i = 0;
- if (!matrix)
- goto out;
- for (i = 0; i < m; i++) {
- GF_FREE (matrix[i]);
- }
+ if (!matrix)
+ goto out;
+ for (i = 0; i < m; i++) {
+ GF_FREE(matrix[i]);
+ }
- GF_FREE (matrix);
+ GF_FREE(matrix);
out:
- return;
+ return;
}
-int32_t**
-afr_matrix_create (unsigned int m, unsigned int n)
+int32_t **
+afr_matrix_create(unsigned int m, unsigned int n)
{
- int32_t **matrix = NULL;
- int i = 0;
+ int32_t **matrix = NULL;
+ int i = 0;
- matrix = GF_CALLOC (sizeof (*matrix), m, gf_afr_mt_int32_t);
- if (!matrix)
- goto out;
+ matrix = GF_CALLOC(sizeof(*matrix), m, gf_afr_mt_int32_t);
+ if (!matrix)
+ goto out;
- for (i = 0; i < m; i++) {
- matrix[i] = GF_CALLOC (sizeof (*matrix[i]), n,
- gf_afr_mt_int32_t);
- if (!matrix[i])
- goto out;
- }
- return matrix;
+ for (i = 0; i < m; i++) {
+ matrix[i] = GF_CALLOC(sizeof(*matrix[i]), n, gf_afr_mt_int32_t);
+ if (!matrix[i])
+ goto out;
+ }
+ return matrix;
out:
- afr_matrix_cleanup (matrix, m);
- return NULL;
+ afr_matrix_cleanup(matrix, m);
+ return NULL;
}
int
-afr_transaction_local_init (afr_local_t *local, xlator_t *this)
-{
- int ret = -ENOMEM;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- ret = afr_internal_lock_init (&local->internal_lock, priv->child_count);
- if (ret < 0)
- goto out;
-
- ret = -ENOMEM;
- local->pre_op_compat = priv->pre_op_compat;
-
- local->transaction.pre_op = GF_CALLOC (sizeof (*local->transaction.pre_op),
- priv->child_count,
- gf_afr_mt_char);
- if (!local->transaction.pre_op)
- goto out;
-
- local->transaction.changelog_xdata =
- GF_CALLOC (sizeof (*local->transaction.changelog_xdata),
- priv->child_count, gf_afr_mt_dict_t);
- if (!local->transaction.changelog_xdata)
- goto out;
-
- if (priv->arbiter_count == 1) {
- local->transaction.pre_op_sources =
- GF_CALLOC (sizeof (*local->transaction.pre_op_sources),
- priv->child_count, gf_afr_mt_char);
- if (!local->transaction.pre_op_sources)
- goto out;
- }
-
- local->transaction.failed_subvols = GF_CALLOC (sizeof (*local->transaction.failed_subvols),
- priv->child_count,
- gf_afr_mt_char);
- if (!local->transaction.failed_subvols)
- goto out;
-
- local->pending = afr_matrix_create (priv->child_count,
- AFR_NUM_CHANGE_LOGS);
- if (!local->pending)
- goto out;
-
- ret = 0;
- INIT_LIST_HEAD (&local->transaction.wait_list);
- INIT_LIST_HEAD (&local->transaction.owner_list);
+afr_transaction_local_init(afr_local_t *local, xlator_t *this)
+{
+ int ret = -ENOMEM;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ INIT_LIST_HEAD(&local->transaction.wait_list);
+ INIT_LIST_HEAD(&local->transaction.owner_list);
+ INIT_LIST_HEAD(&local->ta_waitq);
+ INIT_LIST_HEAD(&local->ta_onwireq);
+ ret = afr_internal_lock_init(&local->internal_lock, priv->child_count);
+ if (ret < 0)
+ goto out;
+
+ ret = -ENOMEM;
+ local->pre_op_compat = priv->pre_op_compat;
+
+ local->transaction.pre_op = GF_CALLOC(sizeof(*local->transaction.pre_op),
+ priv->child_count, gf_afr_mt_char);
+ if (!local->transaction.pre_op)
+ goto out;
+
+ local->transaction.changelog_xdata = GF_CALLOC(
+ sizeof(*local->transaction.changelog_xdata), priv->child_count,
+ gf_afr_mt_dict_t);
+ if (!local->transaction.changelog_xdata)
+ goto out;
+
+ if (priv->arbiter_count == 1) {
+ local->transaction.pre_op_sources = GF_CALLOC(
+ sizeof(*local->transaction.pre_op_sources), priv->child_count,
+ gf_afr_mt_char);
+ if (!local->transaction.pre_op_sources)
+ goto out;
+ }
+
+ local->transaction.failed_subvols = GF_CALLOC(
+ sizeof(*local->transaction.failed_subvols), priv->child_count,
+ gf_afr_mt_char);
+ if (!local->transaction.failed_subvols)
+ goto out;
+
+ local->pending = afr_matrix_create(priv->child_count, AFR_NUM_CHANGE_LOGS);
+ if (!local->pending)
+ goto out;
+
+ ret = 0;
out:
- return ret;
+ return ret;
}
-
void
-afr_set_low_priority (call_frame_t *frame)
+afr_set_low_priority(call_frame_t *frame)
{
- frame->root->pid = LOW_PRIO_PROC_PID;
+ frame->root->pid = LOW_PRIO_PROC_PID;
}
-
void
-afr_priv_destroy (afr_private_t *priv)
-{
- int i = 0;
- int child_count = -1;
-
- if (!priv)
- goto out;
- GF_FREE (priv->last_event);
-
- child_count = priv->child_count;
- if (priv->thin_arbiter_count) {
- child_count++;
- }
- if (priv->pending_key) {
- for (i = 0; i < child_count; i++)
- GF_FREE (priv->pending_key[i]);
- }
-
- GF_FREE (priv->pending_reads);
- GF_FREE (priv->local);
- GF_FREE (priv->pending_key);
- GF_FREE (priv->children);
- GF_FREE (priv->child_up);
- GF_FREE (priv->child_latency);
- LOCK_DESTROY (&priv->lock);
-
- GF_FREE (priv);
+afr_priv_destroy(afr_private_t *priv)
+{
+ int i = 0;
+ int child_count = -1;
+
+ if (!priv)
+ goto out;
+
+ GF_FREE(priv->sh_domain);
+ GF_FREE(priv->last_event);
+
+ child_count = priv->child_count;
+ if (priv->thin_arbiter_count) {
+ child_count++;
+ }
+ if (priv->pending_key) {
+ for (i = 0; i < child_count; i++)
+ GF_FREE(priv->pending_key[i]);
+ }
+
+ GF_FREE(priv->pending_reads);
+ GF_FREE(priv->local);
+ GF_FREE(priv->pending_key);
+ GF_FREE(priv->children);
+ GF_FREE(priv->anon_inode);
+ GF_FREE(priv->child_up);
+ GF_FREE(priv->halo_child_up);
+ GF_FREE(priv->child_latency);
+ LOCK_DESTROY(&priv->lock);
+
+ GF_FREE(priv);
out:
- return;
+ return;
}
-int**
-afr_mark_pending_changelog (afr_private_t *priv, unsigned char *pending,
- dict_t *xattr, ia_type_t iat)
+int **
+afr_mark_pending_changelog(afr_private_t *priv, unsigned char *pending,
+ dict_t *xattr, ia_type_t iat)
{
- int i = 0;
- int **changelog = NULL;
- int idx = -1;
- int m_idx = 0;
- int d_idx = 0;
- int ret = 0;
+ int i = 0;
+ int **changelog = NULL;
+ int idx = -1;
+ int m_idx = 0;
+ int d_idx = 0;
+ int ret = 0;
- m_idx = afr_index_for_transaction_type (AFR_METADATA_TRANSACTION);
- d_idx = afr_index_for_transaction_type (AFR_DATA_TRANSACTION);
+ m_idx = afr_index_for_transaction_type(AFR_METADATA_TRANSACTION);
+ d_idx = afr_index_for_transaction_type(AFR_DATA_TRANSACTION);
- idx = afr_index_from_ia_type (iat);
+ idx = afr_index_from_ia_type(iat);
- changelog = afr_matrix_create (priv->child_count, AFR_NUM_CHANGE_LOGS);
- if (!changelog)
- goto out;
+ changelog = afr_matrix_create(priv->child_count, AFR_NUM_CHANGE_LOGS);
+ if (!changelog)
+ goto out;
- for (i = 0; i < priv->child_count; i++) {
- if (!pending[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!pending[i])
+ continue;
- changelog[i][m_idx] = hton32(1);
- if (idx != -1)
- changelog[i][idx] = hton32(1);
- /* If the newentry marking is on a newly created directory,
- * then mark it with the full-heal indicator.
- */
- if ((IA_ISDIR (iat)) && (priv->esh_granular))
- changelog[i][d_idx] = hton32(1);
- }
- ret = afr_set_pending_dict (priv, xattr, changelog);
- if (ret < 0) {
- afr_matrix_cleanup (changelog, priv->child_count);
- return NULL;
- }
+ changelog[i][m_idx] = hton32(1);
+ if (idx != -1)
+ changelog[i][idx] = hton32(1);
+ /* If the newentry marking is on a newly created directory,
+ * then mark it with the full-heal indicator.
+ */
+ if ((IA_ISDIR(iat)) && (priv->esh_granular))
+ changelog[i][d_idx] = hton32(1);
+ }
+ ret = afr_set_pending_dict(priv, xattr, changelog);
+ if (ret < 0) {
+ afr_matrix_cleanup(changelog, priv->child_count);
+ return NULL;
+ }
out:
- return changelog;
+ return changelog;
}
-gf_boolean_t
-afr_decide_heal_info (afr_private_t *priv, unsigned char *sources, int source)
+static dict_t *
+afr_set_heal_info(char *status)
{
- int sources_count = 0;
-
- if (source < 0)
- goto out;
+ dict_t *dict = NULL;
+ int ret = -1;
- sources_count = AFR_COUNT (sources, priv->child_count);
- if (sources_count == priv->child_count)
- return _gf_false;
+ dict = dict_new();
+ if (!dict) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = dict_set_dynstr_sizen(dict, "heal-info", status);
+ if (ret)
+ gf_msg("", GF_LOG_WARNING, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Failed to set heal-info key to "
+ "%s",
+ status);
out:
- return _gf_true;
-}
+ /* Any error other than EINVAL, dict_set_dynstr frees status */
+ if (ret == -ENOMEM || ret == -EINVAL) {
+ GF_FREE(status);
+ }
-int
-afr_selfheal_locked_metadata_inspect (call_frame_t *frame, xlator_t *this,
- inode_t *inode, gf_boolean_t *msh,
- gf_boolean_t *pending)
-{
- int ret = -1;
- unsigned char *locked_on = NULL;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *undid_pending = NULL;
- struct afr_reply *locked_replies = NULL;
-
- afr_private_t *priv = this->private;
-
- locked_on = alloca0 (priv->child_count);
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- undid_pending = alloca0 (priv->child_count);
-
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- ret = afr_selfheal_inodelk (frame, this, inode, this->name,
- LLONG_MAX - 1, 0, locked_on);
- {
- if (ret == 0) {
- /* Not a single lock */
- ret = -afr_final_errno (frame->local, priv);
- if (ret == 0)
- ret = -ENOTCONN;/* all invalid responses */
- goto out;
- }
- ret = __afr_selfheal_metadata_prepare (frame, this, inode,
- locked_on, sources,
- sinks, healed_sinks,
- undid_pending,
- locked_replies,
- pending);
- *msh = afr_decide_heal_info (priv, sources, ret);
- }
- afr_selfheal_uninodelk (frame, this, inode, this->name,
- LLONG_MAX - 1, 0, locked_on);
-out:
- if (locked_replies)
- afr_replies_wipe (locked_replies, priv->child_count);
- return ret;
+ if (ret && dict) {
+ dict_unref(dict);
+ dict = NULL;
+ }
+ return dict;
}
-int
-afr_selfheal_locked_data_inspect (call_frame_t *frame, xlator_t *this,
- fd_t *fd, gf_boolean_t *dsh,
- gf_boolean_t *pflag)
-{
- int ret = -1;
- unsigned char *data_lock = NULL;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *undid_pending = NULL;
- afr_private_t *priv = NULL;
- struct afr_reply *locked_replies = NULL;
- inode_t *inode = fd->inode;
-
- priv = this->private;
- data_lock = alloca0 (priv->child_count);
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- undid_pending = alloca0 (priv->child_count);
-
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- ret = afr_selfheal_inodelk (frame, this, inode, this->name,
- 0, 0, data_lock);
- {
- if (ret == 0) {
- ret = -afr_final_errno (frame->local, priv);
- if (ret == 0)
- ret = -ENOTCONN; /* all invalid responses */
- goto out;
- }
- ret = __afr_selfheal_data_prepare (frame, this, inode,
- data_lock, sources, sinks,
- healed_sinks, undid_pending,
- locked_replies, pflag);
- *dsh = afr_decide_heal_info (priv, sources, ret);
- }
- afr_selfheal_uninodelk (frame, this, inode, this->name, 0, 0,
- data_lock);
-out:
- if (locked_replies)
- afr_replies_wipe (locked_replies, priv->child_count);
- return ret;
-}
+static gf_boolean_t
+afr_is_dirty_count_non_unary_for_txn(xlator_t *this, struct afr_reply *replies,
+ afr_transaction_type type)
+{
+ afr_private_t *priv = this->private;
+ int *dirty = alloca0(priv->child_count * sizeof(int));
+ int i = 0;
-int
-afr_selfheal_locked_entry_inspect (call_frame_t *frame, xlator_t *this,
- inode_t *inode,
- gf_boolean_t *esh, gf_boolean_t *pflag)
-{
- int ret = -1;
- int source = -1;
- afr_private_t *priv = NULL;
- unsigned char *locked_on = NULL;
- unsigned char *data_lock = NULL;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *healed_sinks = NULL;
- struct afr_reply *locked_replies = NULL;
- gf_boolean_t granular_locks = _gf_false;
-
- priv = this->private;
- if (strcmp ("granular", priv->locking_scheme) == 0)
- granular_locks = _gf_true;
- locked_on = alloca0 (priv->child_count);
- data_lock = alloca0 (priv->child_count);
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
-
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- if (!granular_locks) {
- ret = afr_selfheal_tryentrylk (frame, this, inode,
- priv->sh_domain, NULL, locked_on);
- }
- {
- if (!granular_locks && ret == 0) {
- ret = -afr_final_errno (frame->local, priv);
- if (ret == 0)
- ret = -ENOTCONN;/* all invalid responses */
- goto out;
- }
+ afr_selfheal_extract_xattr(this, replies, type, dirty, NULL);
+ for (i = 0; i < priv->child_count; i++) {
+ if (dirty[i] > 1)
+ return _gf_true;
+ }
- ret = afr_selfheal_entrylk (frame, this, inode, this->name,
- NULL, data_lock);
- {
- if (ret == 0) {
- ret = -afr_final_errno (frame->local, priv);
- if (ret == 0)
- ret = -ENOTCONN;
- /* all invalid responses */
- goto unlock;
- }
- ret = __afr_selfheal_entry_prepare (frame, this, inode,
- data_lock, sources,
- sinks, healed_sinks,
- locked_replies,
- &source, pflag);
- if ((ret == 0) && source < 0)
- ret = -EIO;
- *esh = afr_decide_heal_info (priv, sources, ret);
- }
- afr_selfheal_unentrylk (frame, this, inode, this->name, NULL,
- data_lock, NULL);
- }
-unlock:
- if (!granular_locks)
- afr_selfheal_unentrylk (frame, this, inode, priv->sh_domain,
- NULL, locked_on, NULL);
-out:
- if (locked_replies)
- afr_replies_wipe (locked_replies, priv->child_count);
- return ret;
+ return _gf_false;
}
-int
-afr_selfheal_locked_inspect (call_frame_t *frame, xlator_t *this, uuid_t gfid,
- inode_t **inode,
- gf_boolean_t *entry_selfheal,
- gf_boolean_t *data_selfheal,
- gf_boolean_t *metadata_selfheal,
- gf_boolean_t *pending)
-
-{
- int ret = -1;
- fd_t *fd = NULL;
- gf_boolean_t dsh = _gf_false;
- gf_boolean_t msh = _gf_false;
- gf_boolean_t esh = _gf_false;
-
- ret = afr_selfheal_unlocked_inspect (frame, this, gfid, inode,
- &dsh, &msh, &esh);
- if (ret)
- goto out;
-
- /* For every heal type hold locks and check if it indeed needs heal */
-
+static gf_boolean_t
+afr_is_dirty_count_non_unary(xlator_t *this, struct afr_reply *replies,
+ ia_type_t ia_type)
+{
+ gf_boolean_t data_chk = _gf_false;
+ gf_boolean_t mdata_chk = _gf_false;
+ gf_boolean_t entry_chk = _gf_false;
+
+ switch (ia_type) {
+ case IA_IFDIR:
+ mdata_chk = _gf_true;
+ entry_chk = _gf_true;
+ break;
+ case IA_IFREG:
+ mdata_chk = _gf_true;
+ data_chk = _gf_true;
+ break;
+ default:
+ /*IA_IFBLK, IA_IFCHR, IA_IFLNK, IA_IFIFO, IA_IFSOCK*/
+ mdata_chk = _gf_true;
+ break;
+ }
- /* Heal-info does an open() on the file being examined so that the
- * current eager-lock holding client, if present, at some point sees
- * open-fd count being > 1 and releases the eager-lock so that heal-info
- * doesn't remain blocked forever until IO completes.
- */
- if ((*inode)->ia_type == IA_IFREG) {
- ret = afr_selfheal_data_open (this, *inode, &fd);
- if (ret < 0) {
- gf_msg_debug (this->name, -ret, "%s: Failed to open",
- uuid_utoa ((*inode)->gfid));
- goto out;
- }
- }
+ if (data_chk && afr_is_dirty_count_non_unary_for_txn(
+ this, replies, AFR_DATA_TRANSACTION)) {
+ return _gf_true;
+ } else if (mdata_chk && afr_is_dirty_count_non_unary_for_txn(
+ this, replies, AFR_METADATA_TRANSACTION)) {
+ return _gf_true;
+ } else if (entry_chk && afr_is_dirty_count_non_unary_for_txn(
+ this, replies, AFR_ENTRY_TRANSACTION)) {
+ return _gf_true;
+ }
- if (msh) {
- ret = afr_selfheal_locked_metadata_inspect (frame, this,
- *inode, &msh,
- pending);
- if (ret == -EIO)
- goto out;
- }
+ return _gf_false;
+}
- if (dsh) {
- ret = afr_selfheal_locked_data_inspect (frame, this, fd,
- &dsh, pending);
- if (ret == -EIO || (ret == -EAGAIN))
- goto out;
+static int
+afr_update_heal_status(xlator_t *this, struct afr_reply *replies,
+ ia_type_t ia_type, gf_boolean_t *esh, gf_boolean_t *dsh,
+ gf_boolean_t *msh, unsigned char pending)
+{
+ int ret = -1;
+ GF_UNUSED int ret1 = 0;
+ int i = 0;
+ int io_domain_lk_count = 0;
+ int shd_domain_lk_count = 0;
+ afr_private_t *priv = NULL;
+ char *key1 = NULL;
+ char *key2 = NULL;
+
+ priv = this->private;
+ key1 = alloca0(strlen(GLUSTERFS_INODELK_DOM_PREFIX) + 2 +
+ strlen(this->name));
+ key2 = alloca0(strlen(GLUSTERFS_INODELK_DOM_PREFIX) + 2 +
+ strlen(priv->sh_domain));
+ sprintf(key1, "%s:%s", GLUSTERFS_INODELK_DOM_PREFIX, this->name);
+ sprintf(key2, "%s:%s", GLUSTERFS_INODELK_DOM_PREFIX, priv->sh_domain);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if ((replies[i].valid != 1) || (replies[i].op_ret != 0))
+ continue;
+ if (!io_domain_lk_count) {
+ ret1 = dict_get_int32(replies[i].xdata, key1, &io_domain_lk_count);
+ }
+ if (!shd_domain_lk_count) {
+ ret1 = dict_get_int32(replies[i].xdata, key2, &shd_domain_lk_count);
+ }
+ }
+
+ if (!pending) {
+ if ((afr_is_dirty_count_non_unary(this, replies, ia_type)) ||
+ (!io_domain_lk_count)) {
+ /* Needs heal. */
+ ret = 0;
+ } else {
+ /* No heal needed. */
+ *dsh = *esh = *msh = 0;
}
-
- if (esh) {
- ret = afr_selfheal_locked_entry_inspect (frame, this, *inode,
- &esh, pending);
+ } else {
+ if (shd_domain_lk_count) {
+ ret = -EAGAIN; /*For 'possibly-healing'. */
+ } else {
+ ret = 0; /*needs heal. Just set a non -ve value so that it is
+ assumed as the source index.*/
}
-
-out:
- *data_selfheal = dsh;
- *entry_selfheal = esh;
- *metadata_selfheal = msh;
- if (fd)
- fd_unref (fd);
- return ret;
+ }
+ return ret;
}
-dict_t*
-afr_set_heal_info (char *status)
-{
- dict_t *dict = NULL;
- int ret = -1;
-
- dict = dict_new ();
- if (!dict) {
- ret = -ENOMEM;
- goto out;
- }
-
- ret = dict_set_str (dict, "heal-info", status);
+/*return EIO, EAGAIN or pending*/
+int
+afr_lockless_inspect(call_frame_t *frame, xlator_t *this, uuid_t gfid,
+ inode_t **inode, gf_boolean_t *entry_selfheal,
+ gf_boolean_t *data_selfheal,
+ gf_boolean_t *metadata_selfheal, unsigned char *pending)
+{
+ int ret = -1;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
+ gf_boolean_t dsh = _gf_false;
+ gf_boolean_t msh = _gf_false;
+ gf_boolean_t esh = _gf_false;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *valid_on = NULL;
+ uint64_t *witness = NULL;
+
+ priv = this->private;
+ replies = alloca0(sizeof(*replies) * priv->child_count);
+ sources = alloca0(sizeof(*sources) * priv->child_count);
+ sinks = alloca0(sizeof(*sinks) * priv->child_count);
+ witness = alloca0(sizeof(*witness) * priv->child_count);
+ valid_on = alloca0(sizeof(*valid_on) * priv->child_count);
+
+ ret = afr_selfheal_unlocked_inspect(frame, this, gfid, inode, &dsh, &msh,
+ &esh, replies);
+ if (ret)
+ goto out;
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies[i].valid && replies[i].op_ret == 0) {
+ valid_on[i] = 1;
+ }
+ }
+ if (msh) {
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_METADATA_TRANSACTION, valid_on,
+ sources, sinks, witness, pending);
+ if (*pending & PFLAG_SBRAIN)
+ ret = -EIO;
+ if (ret)
+ goto out;
+ }
+ if (dsh) {
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_DATA_TRANSACTION, valid_on,
+ sources, sinks, witness, pending);
+ if (*pending & PFLAG_SBRAIN)
+ ret = -EIO;
if (ret)
- gf_msg ("", GF_LOG_WARNING, -ret,
- AFR_MSG_DICT_SET_FAILED,
- "Failed to set heal-info key to "
- "%s", status);
+ goto out;
+ }
+ if (esh) {
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_ENTRY_TRANSACTION, valid_on,
+ sources, sinks, witness, pending);
+ if (*pending & PFLAG_SBRAIN)
+ ret = -EIO;
+ if (ret)
+ goto out;
+ }
+
+ ret = afr_update_heal_status(this, replies, (*inode)->ia_type, &esh, &dsh,
+ &msh, *pending);
out:
- return dict;
+ *data_selfheal = dsh;
+ *entry_selfheal = esh;
+ *metadata_selfheal = msh;
+ if (replies)
+ afr_replies_wipe(replies, priv->child_count);
+ return ret;
}
int
-afr_get_heal_info (call_frame_t *frame, xlator_t *this, loc_t *loc)
-{
- gf_boolean_t data_selfheal = _gf_false;
- gf_boolean_t metadata_selfheal = _gf_false;
- gf_boolean_t entry_selfheal = _gf_false;
- gf_boolean_t pending = _gf_false;
- dict_t *dict = NULL;
- int ret = -1;
- int op_errno = 0;
- int size = 0;
- inode_t *inode = NULL;
- char *substr = NULL;
- char *status = NULL;
-
- ret = afr_selfheal_locked_inspect (frame, this, loc->gfid, &inode,
- &entry_selfheal,
- &data_selfheal, &metadata_selfheal,
- &pending);
-
- if (ret == -ENOMEM) {
- op_errno = -ret;
+afr_get_heal_info(call_frame_t *frame, xlator_t *this, loc_t *loc)
+{
+ gf_boolean_t data_selfheal = _gf_false;
+ gf_boolean_t metadata_selfheal = _gf_false;
+ gf_boolean_t entry_selfheal = _gf_false;
+ unsigned char pending = 0;
+ dict_t *dict = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+ inode_t *inode = NULL;
+ char *substr = NULL;
+ char *status = NULL;
+ call_frame_t *heal_frame = NULL;
+ afr_local_t *heal_local = NULL;
+
+ /*Use frame with lk-owner set*/
+ heal_frame = afr_frame_create(frame->this, &op_errno);
+ if (!heal_frame) {
+ ret = -1;
+ goto out;
+ }
+ heal_local = heal_frame->local;
+ heal_frame->local = frame->local;
+
+ ret = afr_lockless_inspect(heal_frame, this, loc->gfid, &inode,
+ &entry_selfheal, &data_selfheal,
+ &metadata_selfheal, &pending);
+
+ if (ret == -ENOMEM) {
+ ret = -1;
+ goto out;
+ }
+
+ if (pending & PFLAG_PENDING) {
+ gf_asprintf(&substr, "-pending");
+ if (!substr)
+ goto out;
+ }
+
+ if (ret == -EIO) {
+ ret = gf_asprintf(&status, "split-brain%s", substr ? substr : "");
+ if (ret < 0) {
+ goto out;
+ }
+ dict = afr_set_heal_info(status);
+ if (!dict) {
+ ret = -1;
+ goto out;
+ }
+ } else if (ret == -EAGAIN) {
+ ret = gf_asprintf(&status, "possibly-healing%s", substr ? substr : "");
+ if (ret < 0) {
+ goto out;
+ }
+ dict = afr_set_heal_info(status);
+ if (!dict) {
+ ret = -1;
+ goto out;
+ }
+ } else if (ret >= 0) {
+ /* value of ret = source index
+ * so ret >= 0 and at least one of the 3 booleans set to
+ * true means a source is identified; heal is required.
+ */
+ if (!data_selfheal && !entry_selfheal && !metadata_selfheal) {
+ status = gf_strdup("no-heal");
+ if (!status) {
+ ret = -1;
+ goto out;
+ }
+ dict = afr_set_heal_info(status);
+ if (!dict) {
+ ret = -1;
+ goto out;
+ }
+ } else {
+ ret = gf_asprintf(&status, "heal%s", substr ? substr : "");
+ if (ret < 0) {
+ goto out;
+ }
+ dict = afr_set_heal_info(status);
+ if (!dict) {
ret = -1;
goto out;
+ }
}
-
- if (pending) {
- size = strlen ("-pending") + 1;
- gf_asprintf (&substr, "-pending");
- if (!substr)
- goto out;
+ } else if (ret < 0) {
+ /* Apart from above checked -ve ret values, there are
+ * other possible ret values like ENOTCONN
+ * (returned when number of valid replies received are
+ * less than 2)
+ * in which case heal is required when one of the
+ * selfheal booleans is set.
+ */
+ if (data_selfheal || entry_selfheal || metadata_selfheal) {
+ ret = gf_asprintf(&status, "heal%s", substr ? substr : "");
+ if (ret < 0) {
+ goto out;
+ }
+ dict = afr_set_heal_info(status);
+ if (!dict) {
+ ret = -1;
+ goto out;
+ }
}
+ }
- if (ret == -EIO) {
- size += strlen ("split-brain") + 1;
- ret = gf_asprintf (&status, "split-brain%s",
- substr? substr : "");
- if (ret < 0)
- goto out;
- dict = afr_set_heal_info (status);
- } else if (ret == -EAGAIN) {
- size += strlen ("possibly-healing") + 1;
- ret = gf_asprintf (&status, "possibly-healing%s",
- substr? substr : "");
- if (ret < 0)
- goto out;
- dict = afr_set_heal_info (status);
- } else if (ret >= 0) {
- /* value of ret = source index
- * so ret >= 0 and at least one of the 3 booleans set to
- * true means a source is identified; heal is required.
- */
- if (!data_selfheal && !entry_selfheal &&
- !metadata_selfheal) {
- dict = afr_set_heal_info ("no-heal");
- } else {
- size += strlen ("heal") + 1;
- ret = gf_asprintf (&status, "heal%s",
- substr? substr : "");
- if (ret < 0)
- goto out;
- dict = afr_set_heal_info (status);
- }
- } else if (ret < 0) {
- /* Apart from above checked -ve ret values, there are
- * other possible ret values like ENOTCONN
- * (returned when number of valid replies received are
- * less than 2)
- * in which case heal is required when one of the
- * selfheal booleans is set.
- */
- if (data_selfheal || entry_selfheal ||
- metadata_selfheal) {
- size += strlen ("heal") + 1;
- ret = gf_asprintf (&status, "heal%s",
- substr? substr : "");
- if (ret < 0)
- goto out;
- dict = afr_set_heal_info (status);
- }
- }
- ret = 0;
+ ret = 0;
+ op_errno = 0;
out:
- AFR_STACK_UNWIND (getxattr, frame, ret, op_errno, dict, NULL);
- if (dict)
- dict_unref (dict);
- if (inode)
- inode_unref (inode);
- GF_FREE (substr);
- return ret;
+ if (heal_frame) {
+ heal_frame->local = heal_local;
+ AFR_STACK_DESTROY(heal_frame);
+ }
+ AFR_STACK_UNWIND(getxattr, frame, ret, op_errno, dict, NULL);
+ if (dict)
+ dict_unref(dict);
+ if (inode)
+ inode_unref(inode);
+ GF_FREE(substr);
+ return ret;
}
int
-_afr_is_split_brain (call_frame_t *frame, xlator_t *this,
- struct afr_reply *replies,
- afr_transaction_type type,
- gf_boolean_t *spb)
-{
- afr_private_t *priv = NULL;
- uint64_t *witness = NULL;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- int sources_count = 0;
- int ret = 0;
-
- priv = this->private;
-
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- witness = alloca0(priv->child_count * sizeof (*witness));
-
- ret = afr_selfheal_find_direction (frame, this, replies,
- type, priv->child_up, sources,
- sinks, witness, NULL);
- if (ret)
- return ret;
+_afr_is_split_brain(call_frame_t *frame, xlator_t *this,
+ struct afr_reply *replies, afr_transaction_type type,
+ gf_boolean_t *spb)
+{
+ afr_private_t *priv = NULL;
+ uint64_t *witness = NULL;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ int sources_count = 0;
+ int ret = 0;
+
+ priv = this->private;
+
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ witness = alloca0(priv->child_count * sizeof(*witness));
+
+ ret = afr_selfheal_find_direction(frame, this, replies, type,
+ priv->child_up, sources, sinks, witness,
+ NULL);
+ if (ret)
+ return ret;
- sources_count = AFR_COUNT (sources, priv->child_count);
- if (!sources_count)
- *spb = _gf_true;
+ sources_count = AFR_COUNT(sources, priv->child_count);
+ if (!sources_count)
+ *spb = _gf_true;
- return ret;
+ return ret;
}
int
-afr_is_split_brain (call_frame_t *frame, xlator_t *this, inode_t *inode,
- uuid_t gfid, gf_boolean_t *d_spb, gf_boolean_t *m_spb)
+afr_is_split_brain(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ uuid_t gfid, gf_boolean_t *d_spb, gf_boolean_t *m_spb)
{
- int ret = -1;
- afr_private_t *priv = NULL;
- struct afr_reply *replies = NULL;
+ int ret = -1;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
- priv = this->private;
+ priv = this->private;
- replies = alloca0 (sizeof (*replies) * priv->child_count);
+ replies = alloca0(sizeof(*replies) * priv->child_count);
- ret = afr_selfheal_unlocked_discover (frame, inode, gfid, replies);
- if (ret)
- goto out;
+ ret = afr_selfheal_unlocked_discover(frame, inode, gfid, replies);
+ if (ret)
+ goto out;
- if (!afr_can_decide_split_brain_source_sinks (replies,
- priv->child_count)) {
- ret = -EAGAIN;
- goto out;
- }
+ if (!afr_can_decide_split_brain_source_sinks(replies, priv->child_count)) {
+ ret = -EAGAIN;
+ goto out;
+ }
- ret = _afr_is_split_brain (frame, this, replies,
- AFR_DATA_TRANSACTION, d_spb);
- if (ret)
- goto out;
+ ret = _afr_is_split_brain(frame, this, replies, AFR_DATA_TRANSACTION,
+ d_spb);
+ if (ret)
+ goto out;
- ret = _afr_is_split_brain (frame, this, replies,
- AFR_METADATA_TRANSACTION, m_spb);
+ ret = _afr_is_split_brain(frame, this, replies, AFR_METADATA_TRANSACTION,
+ m_spb);
out:
- if (replies) {
- afr_replies_wipe (replies, priv->child_count);
- replies = NULL;
- }
- return ret;
+ if (replies) {
+ afr_replies_wipe(replies, priv->child_count);
+ replies = NULL;
+ }
+ return ret;
}
int
-afr_get_split_brain_status_cbk (int ret, call_frame_t *frame, void *opaque)
+afr_get_split_brain_status_cbk(int ret, call_frame_t *frame, void *opaque)
{
- GF_FREE (opaque);
- return 0;
+ GF_FREE(opaque);
+ return 0;
}
int
-afr_get_split_brain_status (void *opaque)
-{
- gf_boolean_t d_spb = _gf_false;
- gf_boolean_t m_spb = _gf_false;
- int ret = -1;
- int op_errno = 0;
- int i = 0;
- char *choices = NULL;
- char *status = NULL;
- dict_t *dict = NULL;
- inode_t *inode = NULL;
- afr_private_t *priv = NULL;
- xlator_t **children = NULL;
- call_frame_t *frame = NULL;
- xlator_t *this = NULL;
- loc_t *loc = NULL;
- afr_spb_status_t *data = NULL;
-
- data = opaque;
- frame = data->frame;
- this = frame->this;
- loc = data->loc;
- priv = this->private;
- children = priv->children;
-
- inode = afr_inode_find (this, loc->gfid);
- if (!inode)
- goto out;
+afr_get_split_brain_status(void *opaque)
+{
+ gf_boolean_t d_spb = _gf_false;
+ gf_boolean_t m_spb = _gf_false;
+ int ret = -1;
+ int op_errno = 0;
+ int i = 0;
+ char *choices = NULL;
+ char *status = NULL;
+ dict_t *dict = NULL;
+ inode_t *inode = NULL;
+ afr_private_t *priv = NULL;
+ xlator_t **children = NULL;
+ call_frame_t *frame = NULL;
+ xlator_t *this = NULL;
+ loc_t *loc = NULL;
+ afr_spb_status_t *data = NULL;
+
+ data = opaque;
+ frame = data->frame;
+ this = frame->this;
+ loc = data->loc;
+ priv = this->private;
+ children = priv->children;
+
+ inode = afr_inode_find(this, loc->gfid);
+ if (!inode)
+ goto out;
+
+ dict = dict_new();
+ if (!dict) {
+ op_errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ /* Calculation for string length :
+ * (child_count X length of child-name) + SLEN(" Choices :")
+ * child-name consists of :
+ * a) 251 = max characters for volname according to GD_VOLUME_NAME_MAX
+ * b) strlen("-client-00,") assuming 16 replicas
+ */
+ choices = alloca0(priv->child_count * (256 + SLEN("-client-00,")) +
+ SLEN(" Choices:"));
+
+ ret = afr_is_split_brain(frame, this, inode, loc->gfid, &d_spb, &m_spb);
+ if (ret) {
+ op_errno = -ret;
+ if (ret == -EAGAIN) {
+ ret = dict_set_sizen_str_sizen(dict, GF_AFR_SBRAIN_STATUS,
+ SBRAIN_HEAL_NO_GO_MSG);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ AFR_MSG_DICT_SET_FAILED,
+ "Failed to set GF_AFR_SBRAIN_STATUS in dict");
+ }
+ }
+ ret = -1;
+ goto out;
+ }
- dict = dict_new ();
- if (!dict) {
- op_errno = ENOMEM;
- ret = -1;
- goto out;
+ if (d_spb || m_spb) {
+ sprintf(choices, " Choices:");
+ for (i = 0; i < priv->child_count; i++) {
+ strcat(choices, children[i]->name);
+ strcat(choices, ",");
}
+ choices[strlen(choices) - 1] = '\0';
- /* Calculation for string length :
- * (child_count X length of child-name) + strlen (" Choices :")
- * child-name consists of :
- * a) 256 = max characters for volname according to GD_VOLUME_NAME_MAX
- * b) strlen ("-client-00,") assuming 16 replicas
- */
- choices = alloca0 (priv->child_count * (256 + strlen ("-client-00,")) +
- strlen (" Choices:"));
+ ret = gf_asprintf(&status,
+ "data-split-brain:%s "
+ "metadata-split-brain:%s%s",
+ (d_spb) ? "yes" : "no", (m_spb) ? "yes" : "no",
+ choices);
- ret = afr_is_split_brain (frame, this, inode, loc->gfid, &d_spb,
- &m_spb);
+ if (-1 == ret) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+ ret = dict_set_dynstr_sizen(dict, GF_AFR_SBRAIN_STATUS, status);
if (ret) {
- op_errno = -ret;
- if (ret == -EAGAIN) {
- ret = dict_set_str (dict, GF_AFR_SBRAIN_STATUS,
- SBRAIN_HEAL_NO_GO_MSG);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Failed to set GF_AFR_SBRAIN_STATUS in dict");
- }
- }
- ret = -1;
- goto out;
+ op_errno = -ret;
+ ret = -1;
+ goto out;
}
-
- if (d_spb || m_spb) {
- sprintf (choices, " Choices:");
- for (i = 0; i < priv->child_count; i++) {
- strcat (choices, children[i]->name);
- strcat (choices, ",");
- }
- choices[strlen (choices) - 1] = '\0';
-
- ret = gf_asprintf (&status, "data-split-brain:%s "
- "metadata-split-brain:%s%s",
- (d_spb) ? "yes" : "no",
- (m_spb) ? "yes" : "no", choices);
-
- if (-1 == ret) {
- op_errno = ENOMEM;
- goto out;
- }
- ret = dict_set_dynstr (dict, GF_AFR_SBRAIN_STATUS, status);
- if (ret) {
- op_errno = -ret;
- ret = -1;
- goto out;
- }
- } else {
- ret = dict_set_str (dict, GF_AFR_SBRAIN_STATUS,
- "The file is not under data or"
- " metadata split-brain");
- if (ret) {
- op_errno = -ret;
- ret = -1;
- goto out;
- }
+ } else {
+ ret = dict_set_sizen_str_sizen(dict, GF_AFR_SBRAIN_STATUS,
+ SFILE_NOT_UNDER_DATA);
+ if (ret) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
}
+ }
- ret = 0;
+ ret = 0;
out:
- AFR_STACK_UNWIND (getxattr, frame, ret, op_errno, dict, NULL);
- if (dict)
- dict_unref (dict);
- if (inode)
- inode_unref (inode);
- return ret;
+ AFR_STACK_UNWIND(getxattr, frame, ret, op_errno, dict, NULL);
+ if (dict)
+ dict_unref(dict);
+ if (inode)
+ inode_unref(inode);
+ return ret;
}
int32_t
afr_heal_splitbrain_file(call_frame_t *frame, xlator_t *this, loc_t *loc)
{
- int ret = 0;
- int op_errno = 0;
- dict_t *dict = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
- dict = dict_new ();
- if (!dict) {
- op_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- ret = afr_selfheal_do (frame, this, loc->gfid);
-
- if (ret == 1 || ret == 2) {
- ret = dict_set_str (dict, "sh-fail-msg",
- "File not in split-brain");
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Failed to set sh-fail-msg in dict");
- ret = 0;
- goto out;
- } else {
- if (local->xdata_rsp) {
- /* 'sh-fail-msg' has been set in the dict during self-heal.*/
- dict_copy (local->xdata_rsp, dict);
- ret = 0;
- } else if (ret < 0) {
- op_errno = -ret;
- ret = -1;
- }
+ int ret = 0;
+ int op_errno = 0;
+ dict_t *dict = NULL;
+ afr_local_t *local = NULL;
+ afr_local_t *heal_local = NULL;
+ call_frame_t *heal_frame = NULL;
+
+ local = frame->local;
+ dict = dict_new();
+ if (!dict) {
+ op_errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ heal_frame = afr_frame_create(this, &op_errno);
+ if (!heal_frame) {
+ ret = -1;
+ goto out;
+ }
+ heal_local = heal_frame->local;
+ heal_frame->local = frame->local;
+ /*Initiate heal with heal_frame with lk-owner set so that inodelk/entrylk
+ * work correctly*/
+ ret = afr_selfheal_do(heal_frame, this, loc->gfid);
+
+ if (ret == 1 || ret == 2) {
+ ret = dict_set_sizen_str_sizen(dict, "sh-fail-msg",
+ SFILE_NOT_IN_SPLIT_BRAIN);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Failed to set sh-fail-msg in dict");
+ ret = 0;
+ goto out;
+ } else {
+ if (local->xdata_rsp) {
+ /* 'sh-fail-msg' has been set in the dict during self-heal.*/
+ dict_copy(local->xdata_rsp, dict);
+ ret = 0;
+ } else if (ret < 0) {
+ op_errno = -ret;
+ ret = -1;
}
+ }
out:
- if (local->op == GF_FOP_GETXATTR)
- AFR_STACK_UNWIND (getxattr, frame, ret, op_errno, dict, NULL);
- else if (local->op == GF_FOP_SETXATTR)
- AFR_STACK_UNWIND (setxattr, frame, ret, op_errno, NULL);
- if (dict)
- dict_unref(dict);
- return ret;
+ if (heal_frame) {
+ heal_frame->local = heal_local;
+ AFR_STACK_DESTROY(heal_frame);
+ }
+ if (local->op == GF_FOP_GETXATTR)
+ AFR_STACK_UNWIND(getxattr, frame, ret, op_errno, dict, NULL);
+ else if (local->op == GF_FOP_SETXATTR)
+ AFR_STACK_UNWIND(setxattr, frame, ret, op_errno, NULL);
+ if (dict)
+ dict_unref(dict);
+ return ret;
}
int
-afr_get_child_index_from_name (xlator_t *this, char *name)
+afr_get_child_index_from_name(xlator_t *this, char *name)
{
- afr_private_t *priv = this->private;
- int index = -1;
+ afr_private_t *priv = this->private;
+ int index = -1;
- for (index = 0; index < priv->child_count; index++) {
- if (!strcmp (priv->children[index]->name, name))
- goto out;
- }
- index = -1;
+ for (index = 0; index < priv->child_count; index++) {
+ if (!strcmp(priv->children[index]->name, name))
+ goto out;
+ }
+ index = -1;
out:
- return index;
+ return index;
}
void
-afr_priv_need_heal_set (afr_private_t *priv, gf_boolean_t need_heal)
+afr_priv_need_heal_set(afr_private_t *priv, gf_boolean_t need_heal)
{
- LOCK (&priv->lock);
- {
- priv->need_heal = need_heal;
- }
- UNLOCK (&priv->lock);
+ LOCK(&priv->lock);
+ {
+ priv->need_heal = need_heal;
+ }
+ UNLOCK(&priv->lock);
}
void
-afr_set_need_heal (xlator_t *this, afr_local_t *local)
+afr_set_need_heal(xlator_t *this, afr_local_t *local)
{
- int i = 0;
- afr_private_t *priv = this->private;
- gf_boolean_t need_heal = _gf_false;
+ int i = 0;
+ afr_private_t *priv = this->private;
+ gf_boolean_t need_heal = _gf_false;
- for (i = 0; i < priv->child_count; i++) {
- if (local->replies[i].valid && local->replies[i].need_heal) {
- need_heal = _gf_true;
- break;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].valid && local->replies[i].need_heal) {
+ need_heal = _gf_true;
+ break;
}
- afr_priv_need_heal_set (priv, need_heal);
- return;
+ }
+ afr_priv_need_heal_set(priv, need_heal);
+ return;
}
gf_boolean_t
-afr_get_need_heal (xlator_t *this)
+afr_get_need_heal(xlator_t *this)
{
- afr_private_t *priv = this->private;
- gf_boolean_t need_heal = _gf_true;
+ afr_private_t *priv = this->private;
+ gf_boolean_t need_heal = _gf_true;
- LOCK (&priv->lock);
- {
- need_heal = priv->need_heal;
- }
- UNLOCK (&priv->lock);
- return need_heal;
+ LOCK(&priv->lock);
+ {
+ need_heal = priv->need_heal;
+ }
+ UNLOCK(&priv->lock);
+ return need_heal;
}
int
-afr_get_msg_id (char *op_type)
+afr_get_msg_id(char *op_type)
{
-
- if (!strcmp (op_type, GF_AFR_REPLACE_BRICK))
- return AFR_MSG_REPLACE_BRICK_STATUS;
- else if (!strcmp (op_type, GF_AFR_ADD_BRICK))
- return AFR_MSG_ADD_BRICK_STATUS;
- return -1;
+ if (!strcmp(op_type, GF_AFR_REPLACE_BRICK))
+ return AFR_MSG_REPLACE_BRICK_STATUS;
+ else if (!strcmp(op_type, GF_AFR_ADD_BRICK))
+ return AFR_MSG_ADD_BRICK_STATUS;
+ return -1;
}
int
-afr_fav_child_reset_sink_xattrs_cbk (int ret, call_frame_t *heal_frame,
- void *opaque)
+afr_fav_child_reset_sink_xattrs_cbk(int ret, call_frame_t *heal_frame,
+ void *opaque)
{
+ call_frame_t *txn_frame = NULL;
+ afr_local_t *local = NULL;
+ afr_local_t *heal_local = NULL;
+ xlator_t *this = NULL;
- call_frame_t *txn_frame = NULL;
- afr_local_t *local = NULL;
- afr_local_t *heal_local = NULL;
- xlator_t *this = NULL;
-
- heal_local = heal_frame->local;
- txn_frame = heal_local->heal_frame;
- local = txn_frame->local;
- this = txn_frame->this;
+ heal_local = heal_frame->local;
+ txn_frame = heal_local->heal_frame;
+ local = txn_frame->local;
+ this = txn_frame->this;
- /* Refresh the inode agan and proceed with the transaction.*/
- afr_inode_refresh (txn_frame, this, local->inode, NULL,
- local->refreshfn);
+ /* Refresh the inode agan and proceed with the transaction.*/
+ afr_inode_refresh(txn_frame, this, local->inode, NULL, local->refreshfn);
- AFR_STACK_DESTROY (heal_frame);
+ AFR_STACK_DESTROY(heal_frame);
- return 0;
+ return 0;
}
int
-afr_fav_child_reset_sink_xattrs (void *opaque)
-{
- call_frame_t *heal_frame = NULL;
- call_frame_t *txn_frame = NULL;
- xlator_t *this = NULL;
- gf_boolean_t d_spb = _gf_false;
- gf_boolean_t m_spb = _gf_false;
- afr_local_t *heal_local = NULL;
- afr_local_t *txn_local = NULL;
- afr_private_t *priv = NULL;
- inode_t *inode = NULL;
- unsigned char *locked_on = NULL;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *undid_pending = NULL;
- struct afr_reply *locked_replies = NULL;
- int ret = 0;
-
- heal_frame = (call_frame_t *) opaque;
- heal_local = heal_frame->local;
- txn_frame = heal_local->heal_frame;
- txn_local = txn_frame->local;
- this = txn_frame->this;
- inode = txn_local->inode;
- priv = this->private;
- locked_on = alloca0 (priv->child_count);
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- undid_pending = alloca0 (priv->child_count);
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- ret = _afr_is_split_brain (txn_frame, this, txn_local->replies,
- AFR_DATA_TRANSACTION, &d_spb);
-
- ret = _afr_is_split_brain (txn_frame, this, txn_local->replies,
- AFR_METADATA_TRANSACTION, &m_spb);
-
- /* Take appropriate locks and reset sink xattrs. */
- if (d_spb) {
- ret = afr_selfheal_inodelk (heal_frame, this, inode, this->name,
- 0, 0, locked_on);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS)
- goto data_unlock;
- ret = __afr_selfheal_data_prepare (heal_frame, this,
- inode, locked_on,
- sources, sinks,
- healed_sinks,
- undid_pending,
- locked_replies,
- NULL);
- }
-data_unlock:
- afr_selfheal_uninodelk (heal_frame, this, inode, this->name,
- 0, 0, locked_on);
- }
-
- if (m_spb) {
- memset (locked_on, 0, sizeof (*locked_on) * priv->child_count);
- memset (undid_pending, 0,
- sizeof (*undid_pending) * priv->child_count);
- ret = afr_selfheal_inodelk (heal_frame, this, inode, this->name,
- LLONG_MAX-1, 0, locked_on);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS)
- goto mdata_unlock;
- ret = __afr_selfheal_metadata_prepare (heal_frame, this,
- inode, locked_on,
- sources, sinks,
- healed_sinks,
- undid_pending,
- locked_replies,
- NULL);
-
- }
-mdata_unlock:
- afr_selfheal_uninodelk (heal_frame, this, inode, this->name,
- LLONG_MAX-1, 0, locked_on);
+afr_fav_child_reset_sink_xattrs(void *opaque)
+{
+ call_frame_t *heal_frame = NULL;
+ call_frame_t *txn_frame = NULL;
+ xlator_t *this = NULL;
+ gf_boolean_t d_spb = _gf_false;
+ gf_boolean_t m_spb = _gf_false;
+ afr_local_t *heal_local = NULL;
+ afr_local_t *txn_local = NULL;
+ afr_private_t *priv = NULL;
+ inode_t *inode = NULL;
+ unsigned char *locked_on = NULL;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *healed_sinks = NULL;
+ unsigned char *undid_pending = NULL;
+ struct afr_reply *locked_replies = NULL;
+ int ret = 0;
+
+ heal_frame = (call_frame_t *)opaque;
+ heal_local = heal_frame->local;
+ txn_frame = heal_local->heal_frame;
+ txn_local = txn_frame->local;
+ this = txn_frame->this;
+ inode = txn_local->inode;
+ priv = this->private;
+ locked_on = alloca0(priv->child_count);
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ healed_sinks = alloca0(priv->child_count);
+ undid_pending = alloca0(priv->child_count);
+ locked_replies = alloca0(sizeof(*locked_replies) * priv->child_count);
+
+ ret = _afr_is_split_brain(txn_frame, this, txn_local->replies,
+ AFR_DATA_TRANSACTION, &d_spb);
+
+ ret = _afr_is_split_brain(txn_frame, this, txn_local->replies,
+ AFR_METADATA_TRANSACTION, &m_spb);
+
+ /* Take appropriate locks and reset sink xattrs. */
+ if (d_spb) {
+ ret = afr_selfheal_inodelk(heal_frame, this, inode, this->name, 0, 0,
+ locked_on);
+ {
+ if (ret < priv->child_count)
+ goto data_unlock;
+ ret = __afr_selfheal_data_prepare(
+ heal_frame, this, inode, locked_on, sources, sinks,
+ healed_sinks, undid_pending, locked_replies, NULL);
+ }
+ data_unlock:
+ afr_selfheal_uninodelk(heal_frame, this, inode, this->name, 0, 0,
+ locked_on);
+ }
+
+ if (m_spb) {
+ memset(locked_on, 0, sizeof(*locked_on) * priv->child_count);
+ memset(undid_pending, 0, sizeof(*undid_pending) * priv->child_count);
+ ret = afr_selfheal_inodelk(heal_frame, this, inode, this->name,
+ LLONG_MAX - 1, 0, locked_on);
+ {
+ if (ret < priv->child_count)
+ goto mdata_unlock;
+ ret = __afr_selfheal_metadata_prepare(
+ heal_frame, this, inode, locked_on, sources, sinks,
+ healed_sinks, undid_pending, locked_replies, NULL);
}
+ mdata_unlock:
+ afr_selfheal_uninodelk(heal_frame, this, inode, this->name,
+ LLONG_MAX - 1, 0, locked_on);
+ }
- return ret;
-
+ return ret;
}
/*
* Concatenates the xattrs in local->replies separated by a delimiter.
*/
int
-afr_serialize_xattrs_with_delimiter (call_frame_t *frame, xlator_t *this,
- char *buf, const char *default_str,
- int32_t *serz_len, char delimiter)
-{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- char *xattr = NULL;
- int i = 0;
- int len = 0;
- int ret = -1;
-
- priv = this->private;
- local = frame->local;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid || local->replies[i].op_ret) {
- buf = strncat (buf, default_str, strlen (default_str));
- len += strlen (default_str);
- buf[len++] = delimiter;
- buf[len] = '\0';
- } else {
- ret = dict_get_str (local->replies[i].xattr,
- local->cont.getxattr.name, &xattr);
- if (ret) {
- gf_msg ("TEST", GF_LOG_ERROR, -ret,
- AFR_MSG_DICT_GET_FAILED,
- "Failed to get the node_uuid of brick "
- "%d", i);
- goto out;
- }
- buf = strncat (buf, xattr, strlen (xattr));
- len += strlen (xattr);
- buf[len++] = delimiter;
- buf[len] = '\0';
- }
- }
- buf[--len] = '\0'; /*remove the last delimiter*/
- if (serz_len)
- *serz_len = ++len;
- ret = 0;
+afr_serialize_xattrs_with_delimiter(call_frame_t *frame, xlator_t *this,
+ char *buf, const char *default_str,
+ int32_t *serz_len, char delimiter)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ char *xattr = NULL;
+ int i = 0;
+ int len = 0;
+ int keylen = 0;
+ size_t str_len = 0;
+ int ret = -1;
+
+ priv = this->private;
+ local = frame->local;
+
+ keylen = strlen(local->cont.getxattr.name);
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid || local->replies[i].op_ret) {
+ str_len = strlen(default_str);
+ buf = strncat(buf, default_str, str_len);
+ len += str_len;
+ buf[len++] = delimiter;
+ buf[len] = '\0';
+ } else {
+ ret = dict_get_strn(local->replies[i].xattr,
+ local->cont.getxattr.name, keylen, &xattr);
+ if (ret) {
+ gf_msg("TEST", GF_LOG_ERROR, -ret, AFR_MSG_DICT_GET_FAILED,
+ "Failed to get the node_uuid of brick "
+ "%d",
+ i);
+ goto out;
+ }
+ str_len = strlen(xattr);
+ buf = strncat(buf, xattr, str_len);
+ len += str_len;
+ buf[len++] = delimiter;
+ buf[len] = '\0';
+ }
+ }
+ buf[--len] = '\0'; /*remove the last delimiter*/
+ if (serz_len)
+ *serz_len = ++len;
+ ret = 0;
out:
- return ret;
+ return ret;
}
uint64_t
-afr_write_subvol_get (call_frame_t *frame, xlator_t *this)
+afr_write_subvol_get(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- uint64_t write_subvol = 0;
+ afr_local_t *local = NULL;
+ uint64_t write_subvol = 0;
- local = frame->local;
- LOCK(&local->inode->lock);
- write_subvol = local->inode_ctx->write_subvol;
- UNLOCK (&local->inode->lock);
+ local = frame->local;
+ LOCK(&local->inode->lock);
+ write_subvol = local->inode_ctx->write_subvol;
+ UNLOCK(&local->inode->lock);
- return write_subvol;
+ return write_subvol;
}
int
-afr_write_subvol_set (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- unsigned char *data_accused = NULL;
- unsigned char *metadata_accused = NULL;
- unsigned char *data_readable = NULL;
- unsigned char *metadata_readable = NULL;
- uint16_t datamap = 0;
- uint16_t metadatamap = 0;
- uint64_t val = 0;
- int event = 0;
- int i = 0;
+afr_write_subvol_set(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ unsigned char *data_accused = NULL;
+ unsigned char *metadata_accused = NULL;
+ unsigned char *data_readable = NULL;
+ unsigned char *metadata_readable = NULL;
+ uint16_t datamap = 0;
+ uint16_t metadatamap = 0;
+ uint64_t val = 0;
+ int event = 0;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+ data_accused = alloca0(priv->child_count);
+ metadata_accused = alloca0(priv->child_count);
+ data_readable = alloca0(priv->child_count);
+ metadata_readable = alloca0(priv->child_count);
+ event = local->event_generation;
+
+ afr_readables_fill(frame, this, local->inode, data_accused,
+ metadata_accused, data_readable, metadata_readable,
+ NULL);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (data_readable[i])
+ datamap |= (1 << i);
+ if (metadata_readable[i])
+ metadatamap |= (1 << i);
+ }
+
+ val = ((uint64_t)metadatamap) | (((uint64_t)datamap) << 16) |
+ (((uint64_t)event) << 32);
+
+ LOCK(&local->inode->lock);
+ {
+ if (local->inode_ctx->write_subvol == 0 &&
+ local->transaction.type == AFR_DATA_TRANSACTION) {
+ local->inode_ctx->write_subvol = val;
+ }
+ }
+ UNLOCK(&local->inode->lock);
+
+ return 0;
+}
- local = frame->local;
- priv = this->private;
- data_accused = alloca0 (priv->child_count);
- metadata_accused = alloca0 (priv->child_count);
- data_readable = alloca0 (priv->child_count);
- metadata_readable = alloca0 (priv->child_count);
- event = local->event_generation;
+int
+afr_write_subvol_reset(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
- afr_readables_fill (frame, this, local->inode, data_accused,
- metadata_accused, data_readable, metadata_readable,
- NULL);
+ local = frame->local;
+ LOCK(&local->inode->lock);
+ {
+ GF_ASSERT(local->inode_ctx->lock_count > 0);
+ local->inode_ctx->lock_count--;
- for (i = 0; i < priv->child_count; i++) {
- if (data_readable[i])
- datamap |= (1 << i);
- if (metadata_readable[i])
- metadatamap |= (1 << i);
- }
+ if (!local->inode_ctx->lock_count)
+ local->inode_ctx->write_subvol = 0;
+ }
+ UNLOCK(&local->inode->lock);
- val = ((uint64_t) metadatamap) |
- (((uint64_t) datamap) << 16) |
- (((uint64_t) event) << 32);
+ return 0;
+}
- LOCK(&local->inode->lock);
- {
- if (local->inode_ctx->write_subvol == 0 &&
- local->transaction.type == AFR_DATA_TRANSACTION) {
- local->inode_ctx->write_subvol = val;
- }
- }
- UNLOCK (&local->inode->lock);
+int
+afr_set_inode_local(xlator_t *this, afr_local_t *local, inode_t *inode)
+{
+ int ret = 0;
- return 0;
+ local->inode = inode_ref(inode);
+ LOCK(&local->inode->lock);
+ {
+ ret = __afr_inode_ctx_get(this, local->inode, &local->inode_ctx);
+ }
+ UNLOCK(&local->inode->lock);
+ if (ret < 0) {
+ gf_msg_callingfn(
+ this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_INODE_CTX_GET_FAILED,
+ "Error getting inode ctx %s", uuid_utoa(local->inode->gfid));
+ }
+ return ret;
}
-int
-afr_write_subvol_reset (call_frame_t *frame, xlator_t *this)
+gf_boolean_t
+afr_ta_is_fop_called_from_synctask(xlator_t *this)
{
- afr_local_t *local = NULL;
+ struct synctask *task = NULL;
+ gf_lkowner_t tmp_owner = {
+ 0,
+ };
- local = frame->local;
- LOCK(&local->inode->lock);
- {
- GF_ASSERT (local->inode_ctx->lock_count > 0);
- local->inode_ctx->lock_count--;
+ task = synctask_get();
+ if (!task)
+ return _gf_false;
- if (!local->inode_ctx->lock_count)
- local->inode_ctx->write_subvol = 0;
- }
- UNLOCK(&local->inode->lock);
+ set_lk_owner_from_ptr(&tmp_owner, (void *)this);
- return 0;
+ if (!is_same_lkowner(&tmp_owner, &task->frame->root->lk_owner))
+ return _gf_false;
+
+ return _gf_true;
}
int
-afr_set_inode_local (xlator_t *this, afr_local_t *local, inode_t *inode)
+afr_ta_post_op_lock(xlator_t *this, loc_t *loc)
+{
+ int ret = 0;
+ uuid_t gfid = {
+ 0,
+ };
+ afr_private_t *priv = this->private;
+ gf_boolean_t locked = _gf_false;
+ struct gf_flock flock1 = {
+ 0,
+ };
+ struct gf_flock flock2 = {
+ 0,
+ };
+ int32_t cmd = 0;
+
+ /* Clients must take AFR_TA_DOM_NOTIFY lock only when the previous lock
+ * has been released in afr_notify due to upcall notification from shd.
+ */
+ GF_ASSERT(priv->ta_notify_dom_lock_offset == 0);
+
+ if (!priv->shd.iamshd)
+ GF_ASSERT(afr_ta_is_fop_called_from_synctask(this));
+ flock1.l_type = F_WRLCK;
+
+ while (!locked) {
+ if (priv->shd.iamshd) {
+ cmd = F_SETLKW;
+ flock1.l_start = 0;
+ flock1.l_len = 0;
+ } else {
+ cmd = F_SETLK;
+ gf_uuid_generate(gfid);
+ flock1.l_start = gfid_to_ino(gfid);
+ if (flock1.l_start < 0)
+ flock1.l_start = -flock1.l_start;
+ flock1.l_len = 1;
+ }
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_NOTIFY, loc, cmd, &flock1, NULL, NULL);
+ if (!ret) {
+ locked = _gf_true;
+ priv->ta_notify_dom_lock_offset = flock1.l_start;
+ } else if (ret == -EAGAIN) {
+ continue;
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to get "
+ "AFR_TA_DOM_NOTIFY lock on %s.",
+ loc->name);
+ goto out;
+ }
+ }
+
+ flock2.l_type = F_WRLCK;
+ flock2.l_start = 0;
+ flock2.l_len = 0;
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_MODIFY, loc, F_SETLKW, &flock2, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to get AFR_TA_DOM_MODIFY lock on %s.", loc->name);
+ flock1.l_type = F_UNLCK;
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_NOTIFY, loc, F_SETLK, &flock1, NULL,
+ NULL);
+ }
+out:
+ return ret;
+}
+
+int
+afr_ta_post_op_unlock(xlator_t *this, loc_t *loc)
+{
+ afr_private_t *priv = this->private;
+ struct gf_flock flock = {
+ 0,
+ };
+ int ret = 0;
+
+ if (!priv->shd.iamshd)
+ GF_ASSERT(afr_ta_is_fop_called_from_synctask(this));
+ flock.l_type = F_UNLCK;
+ flock.l_start = 0;
+ flock.l_len = 0;
+
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_MODIFY, loc, F_SETLK, &flock, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to unlock AFR_TA_DOM_MODIFY lock.");
+ goto out;
+ }
+
+ if (!priv->shd.iamshd)
+ /* Mounts (clients) will not release the AFR_TA_DOM_NOTIFY lock
+ * in post-op as they use it as a notification mechanism. When
+ * shd sends a lock request on TA during heal, the clients will
+ * receive a lock-contention upcall notification upon which they
+ * will release the AFR_TA_DOM_NOTIFY lock after completing the
+ * in flight I/O.*/
+ goto out;
+
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_NOTIFY, loc, F_SETLK, &flock, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to unlock AFR_TA_DOM_NOTIFY lock.");
+ }
+out:
+ return ret;
+}
+
+call_frame_t *
+afr_ta_frame_create(xlator_t *this)
{
- int ret = 0;
+ call_frame_t *frame = NULL;
+ void *lk_owner = NULL;
- local->inode = inode_ref (inode);
- LOCK(&local->inode->lock);
- {
- ret = __afr_inode_ctx_get (this, local->inode,
- &local->inode_ctx);
- }
- UNLOCK (&local->inode->lock);
- if (ret < 0) {
- gf_msg_callingfn (this->name, GF_LOG_ERROR, ENOMEM,
- AFR_MSG_INODE_CTX_GET_FAILED,
- "Error getting inode ctx %s",
- uuid_utoa (local->inode->gfid));
+ frame = create_frame(this, this->ctx->pool);
+ if (!frame)
+ return NULL;
+ lk_owner = (void *)this;
+ afr_set_lk_owner(frame, this, lk_owner);
+ return frame;
+}
+
+gf_boolean_t
+afr_ta_has_quorum(afr_private_t *priv, afr_local_t *local)
+{
+ int data_count = 0;
+
+ data_count = AFR_COUNT(local->child_up, priv->child_count);
+ if (data_count == 2) {
+ return _gf_true;
+ } else if (data_count == 1 && local->ta_child_up) {
+ return _gf_true;
+ }
+
+ return _gf_false;
+}
+
+static gf_boolean_t
+afr_is_add_replica_mount_lookup_on_root(call_frame_t *frame)
+{
+ afr_local_t *local = NULL;
+
+ if (frame->root->pid != GF_CLIENT_PID_ADD_REPLICA_MOUNT)
+ return _gf_false;
+
+ local = frame->local;
+
+ if (local->op != GF_FOP_LOOKUP)
+ /* TODO:If the replica count is being increased on a plain distribute
+ * volume that was never mounted, we need to allow setxattr on '/' with
+ * GF_CLIENT_PID_NO_ROOT_SQUASH to accomodate for DHT layout setting */
+ return _gf_false;
+
+ if (local->inode == NULL)
+ return _gf_false;
+
+ if (!__is_root_gfid(local->inode->gfid))
+ return _gf_false;
+
+ return _gf_true;
+}
+
+gf_boolean_t
+afr_lookup_has_quorum(call_frame_t *frame, const unsigned int up_children_count)
+{
+ if (frame && (up_children_count > 0) &&
+ afr_is_add_replica_mount_lookup_on_root(frame))
+ return _gf_true;
+
+ return _gf_false;
+}
+
+void
+afr_handle_replies_quorum(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = frame->local;
+ afr_private_t *priv = this->private;
+ unsigned char *success_replies = NULL;
+
+ success_replies = alloca0(priv->child_count);
+ afr_fill_success_replies(local, priv, success_replies);
+
+ if (priv->quorum_count && !afr_has_quorum(success_replies, this, NULL)) {
+ local->op_errno = afr_final_errno(local, priv);
+ if (!local->op_errno)
+ local->op_errno = afr_quorum_errno(priv);
+ local->op_ret = -1;
+ }
+}
+
+gf_boolean_t
+afr_ta_dict_contains_pending_xattr(dict_t *dict, afr_private_t *priv, int child)
+{
+ int *pending = NULL;
+ int ret = 0;
+ int i = 0;
+
+ ret = dict_get_ptr(dict, priv->pending_key[child], (void *)&pending);
+ if (ret == 0) {
+ for (i = 0; i < AFR_NUM_CHANGE_LOGS; i++) {
+ /* Not doing a ntoh32(pending) as we just want to check
+ * if it is non-zero or not. */
+ if (pending[i]) {
+ return _gf_true;
+ }
}
- return ret;
+ }
+
+ return _gf_false;
}
diff --git a/xlators/cluster/afr/src/afr-dir-read.c b/xlators/cluster/afr/src/afr-dir-read.c
index 5218d386c79..f8bf8340dab 100644
--- a/xlators/cluster/afr/src/afr-dir-read.c
+++ b/xlators/cluster/afr/src/afr-dir-read.c
@@ -8,348 +8,339 @@
cases as published by the Free Software Foundation.
*/
-
#include <libgen.h>
#include <unistd.h>
-#include <fnmatch.h>
#include <sys/time.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
-#include "glusterfs.h"
-#include "dict.h"
-#include "xlator.h"
-#include "hashfn.h"
-#include "logging.h"
-#include "list.h"
-#include "call-stub.h"
-#include "defaults.h"
-#include "common-utils.h"
-#include "compat-errno.h"
-#include "compat.h"
-#include "checksum.h"
+#include <glusterfs/glusterfs.h>
+#include <glusterfs/dict.h>
+#include <glusterfs/list.h>
+#include <glusterfs/common-utils.h>
+#include <glusterfs/compat-errno.h>
+#include <glusterfs/compat.h>
#include "afr.h"
#include "afr-transaction.h"
-
int32_t
-afr_opendir_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- fd_t *fd, dict_t *xdata)
+afr_opendir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int call_count = -1;
- int32_t child_index = 0;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- local = frame->local;
- fd_ctx = local->fd_ctx;
- child_index = (long) cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
- } else {
- local->op_ret = op_ret;
- fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- }
+ afr_local_t *local = NULL;
+ int call_count = -1;
+ int32_t child_index = 0;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ local = frame->local;
+ fd_ctx = local->fd_ctx;
+ child_index = (long)cookie;
+
+ local->replies[child_index].valid = 1;
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
+ } else {
+ local->op_ret = op_ret;
+ fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
}
- UNLOCK (&frame->lock);
+ call_count = --local->call_count;
+ }
+ UNLOCK(&frame->lock);
- call_count = afr_frame_return (frame);
+ if (call_count == 0) {
+ afr_handle_replies_quorum(frame, this);
+ AFR_STACK_UNWIND(opendir, frame, local->op_ret, local->op_errno,
+ local->fd, NULL);
+ }
- if (call_count == 0)
- AFR_STACK_UNWIND (opendir, frame, local->op_ret,
- local->op_errno, local->fd, NULL);
- return 0;
+ return 0;
}
-
int
-afr_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd)
+afr_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd,
+ dict_t *xdata)
{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
- int i = 0;
- int call_count = -1;
- int32_t op_errno = ENOMEM;
- afr_fd_ctx_t *fd_ctx = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
+ int call_count = -1;
+ int32_t op_errno = ENOMEM;
+ afr_fd_ctx_t *fd_ctx = NULL;
- priv = this->private;
+ priv = this->private;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_OPENDIR;
- if (!afr_is_consistent_io_possible (local, priv, &op_errno))
- goto out;
+ local->op = GF_FOP_OPENDIR;
- fd_ctx = afr_fd_ctx_get (fd, this);
- if (!fd_ctx)
- goto out;
+ if (priv->quorum_count && !afr_has_quorum(local->child_up, this, NULL)) {
+ op_errno = afr_quorum_errno(priv);
+ goto out;
+ }
- loc_copy (&local->loc, loc);
+ if (!afr_is_consistent_io_possible(local, priv, &op_errno))
+ goto out;
- local->fd = fd_ref (fd);
- local->fd_ctx = fd_ctx;
+ fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!fd_ctx)
+ goto out;
- call_count = local->call_count;
+ loc_copy(&local->loc, loc);
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, afr_opendir_cbk,
- (void*) (long) i,
- priv->children[i],
- priv->children[i]->fops->opendir,
- loc, fd, NULL);
+ local->fd = fd_ref(fd);
+ local->fd_ctx = fd_ctx;
- if (!--call_count)
- break;
- }
+ call_count = local->call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(frame, afr_opendir_cbk, (void *)(long)i,
+ priv->children[i],
+ priv->children[i]->fops->opendir, loc, fd, NULL);
+
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (opendir, frame, -1, op_errno, fd, NULL);
- return 0;
+ AFR_STACK_UNWIND(opendir, frame, -1, op_errno, fd, NULL);
+ return 0;
}
static int
-afr_validate_read_subvol (inode_t *inode, xlator_t *this, int par_read_subvol)
+afr_validate_read_subvol(inode_t *inode, xlator_t *this, int par_read_subvol)
{
- int gen = 0;
- int entry_read_subvol = 0;
- unsigned char *data_readable = NULL;
- unsigned char *metadata_readable = NULL;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- data_readable = alloca0 (priv->child_count);
- metadata_readable = alloca0 (priv->child_count);
-
- afr_inode_read_subvol_get (inode, this, data_readable,
- metadata_readable, &gen);
-
- if (gen != priv->event_generation ||
- !data_readable[par_read_subvol] ||
- !metadata_readable[par_read_subvol])
- return -1;
-
- /* Once the control reaches the following statement, it means that the
- * parent's read subvol is perfectly readable. So calling
- * either afr_data_subvol_get() or afr_metadata_subvol_get() would
- * yield the same result. Hence, choosing afr_data_subvol_get() below.
- */
-
- if (!priv->consistent_metadata)
- return 0;
-
- /* For an inode fetched through readdirp which is yet to be linked,
- * inode ctx would not be initialised (yet). So this function returns
- * -1 above due to gen being 0, which is why it is OK to pass NULL for
- * read_subvol_args here.
- */
- entry_read_subvol = afr_data_subvol_get (inode, this, NULL, NULL,
- NULL, NULL);
- if (entry_read_subvol != par_read_subvol)
- return -1;
-
+ int gen = 0;
+ int entry_read_subvol = 0;
+ unsigned char *data_readable = NULL;
+ unsigned char *metadata_readable = NULL;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ data_readable = alloca0(priv->child_count);
+ metadata_readable = alloca0(priv->child_count);
+
+ afr_inode_read_subvol_get(inode, this, data_readable, metadata_readable,
+ &gen);
+
+ if (gen != priv->event_generation || !data_readable[par_read_subvol] ||
+ !metadata_readable[par_read_subvol])
+ return -1;
+
+ /* Once the control reaches the following statement, it means that the
+ * parent's read subvol is perfectly readable. So calling
+ * either afr_data_subvol_get() or afr_metadata_subvol_get() would
+ * yield the same result. Hence, choosing afr_data_subvol_get() below.
+ */
+
+ if (!priv->consistent_metadata)
return 0;
+ /* For an inode fetched through readdirp which is yet to be linked,
+ * inode ctx would not be initialised (yet). So this function returns
+ * -1 above due to gen being 0, which is why it is OK to pass NULL for
+ * read_subvol_args here.
+ */
+ entry_read_subvol = afr_data_subvol_get(inode, this, NULL, NULL, NULL,
+ NULL);
+ if (entry_read_subvol != par_read_subvol)
+ return -1;
+
+ return 0;
}
static void
-afr_readdir_transform_entries (gf_dirent_t *subvol_entries, int subvol,
- gf_dirent_t *entries, fd_t *fd)
+afr_readdir_transform_entries(call_frame_t *frame, gf_dirent_t *subvol_entries,
+ int subvol, gf_dirent_t *entries, fd_t *fd)
{
- int ret = -1;
- gf_dirent_t *entry = NULL;
- gf_dirent_t *tmp = NULL;
- xlator_t *this = NULL;
- afr_private_t *priv = NULL;
- gf_boolean_t need_heal = _gf_false;
- gf_boolean_t validate_subvol = _gf_false;
-
- this = THIS;
- priv = this->private;
-
- need_heal = afr_get_need_heal (this);
- validate_subvol = need_heal | priv->consistent_metadata;
-
- list_for_each_entry_safe (entry, tmp, &subvol_entries->list, list) {
- if (__is_root_gfid (fd->inode->gfid) &&
- !strcmp (entry->d_name, GF_REPLICATE_TRASH_DIR)) {
- continue;
- }
-
- list_del_init (&entry->list);
- list_add_tail (&entry->list, &entries->list);
-
- if (!validate_subvol)
- continue;
-
- if (entry->inode) {
- ret = afr_validate_read_subvol (entry->inode, this,
- subvol);
- if (ret == -1) {
- inode_unref (entry->inode);
- entry->inode = NULL;
- continue;
- }
- }
+ int ret = -1;
+ gf_dirent_t *entry = NULL;
+ gf_dirent_t *tmp = NULL;
+ xlator_t *this = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t need_heal = _gf_false;
+ gf_boolean_t validate_subvol = _gf_false;
+
+ this = THIS;
+ priv = this->private;
+
+ need_heal = afr_get_need_heal(this);
+ validate_subvol = need_heal | priv->consistent_metadata;
+
+ list_for_each_entry_safe(entry, tmp, &subvol_entries->list, list)
+ {
+ if (afr_is_private_directory(priv, fd->inode->gfid, entry->d_name,
+ frame->root->pid)) {
+ continue;
}
-}
+ list_del_init(&entry->list);
+ list_add_tail(&entry->list, &entries->list);
+
+ if (!validate_subvol)
+ continue;
+
+ if (entry->inode) {
+ ret = afr_validate_read_subvol(entry->inode, this, subvol);
+ if (ret == -1) {
+ inode_unref(entry->inode);
+ entry->inode = NULL;
+ continue;
+ }
+ }
+ }
+}
int32_t
-afr_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, gf_dirent_t *subvol_entries,
- dict_t *xdata)
+afr_readdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, gf_dirent_t *subvol_entries,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- gf_dirent_t entries;
+ afr_local_t *local = NULL;
+ gf_dirent_t entries;
- INIT_LIST_HEAD (&entries.list);
+ INIT_LIST_HEAD(&entries.list);
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0 && !local->cont.readdir.offset) {
- /* failover only if this was first readdir, detected
- by offset == 0 */
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ if (op_ret < 0 && !local->cont.readdir.offset) {
+ /* failover only if this was first readdir, detected
+ by offset == 0 */
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- if (op_ret >= 0)
- afr_readdir_transform_entries (subvol_entries, (long) cookie,
- &entries, local->fd);
+ if (op_ret >= 0)
+ afr_readdir_transform_entries(frame, subvol_entries, (long)cookie,
+ &entries, local->fd);
- AFR_STACK_UNWIND (readdir, frame, op_ret, op_errno, &entries, xdata);
+ AFR_STACK_UNWIND(readdir, frame, op_ret, op_errno, &entries, xdata);
- gf_dirent_free (&entries);
+ gf_dirent_free(&entries);
- return 0;
+ return 0;
}
-
int
-afr_readdir_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_readdir_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- priv = this->private;
- local = frame->local;
- fd_ctx = afr_fd_ctx_get (local->fd, this);
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (readdir, frame, local->op_ret,
- local->op_errno, 0, 0);
- return 0;
- }
-
- fd_ctx->readdir_subvol = subvol;
-
- if (local->op == GF_FOP_READDIR)
- STACK_WIND_COOKIE (frame, afr_readdir_cbk,
- (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->readdir,
- local->fd, local->cont.readdir.size,
- local->cont.readdir.offset,
- local->xdata_req);
- else
- STACK_WIND_COOKIE (frame, afr_readdir_cbk,
- (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->readdirp,
- local->fd, local->cont.readdir.size,
- local->cont.readdir.offset,
- local->xdata_req);
- return 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ priv = this->private;
+ local = frame->local;
+ fd_ctx = afr_fd_ctx_get(local->fd, this);
+ if (!fd_ctx) {
+ local->op_errno = EINVAL;
+ local->op_ret = -1;
+ }
+
+ if (subvol == -1 || !fd_ctx) {
+ AFR_STACK_UNWIND(readdir, frame, local->op_ret, local->op_errno, 0, 0);
+ return 0;
+ }
+
+ fd_ctx->readdir_subvol = subvol;
+
+ if (local->op == GF_FOP_READDIR)
+ STACK_WIND_COOKIE(frame, afr_readdir_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->readdir, local->fd,
+ local->cont.readdir.size, local->cont.readdir.offset,
+ local->xdata_req);
+ else
+ STACK_WIND_COOKIE(frame, afr_readdir_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->readdirp, local->fd,
+ local->cont.readdir.size, local->cont.readdir.offset,
+ local->xdata_req);
+ return 0;
}
-
int
-afr_do_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, int whichop, dict_t *dict)
+afr_do_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, int whichop, dict_t *dict)
{
- afr_local_t *local = NULL;
- int32_t op_errno = 0;
- int subvol = -1;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- fd_ctx = afr_fd_ctx_get (fd, this);
- if (!fd_ctx) {
- op_errno = EINVAL;
- goto out;
- }
-
- local->op = whichop;
- local->fd = fd_ref (fd);
- local->cont.readdir.size = size;
- local->cont.readdir.offset = offset;
- local->xdata_req = (dict)? dict_ref (dict) : NULL;
-
- subvol = fd_ctx->readdir_subvol;
-
- if (offset == 0 || subvol == -1) {
- /* First readdir has option of failing over and selecting
- an appropriate read subvolume */
- afr_read_txn (frame, this, fd->inode, afr_readdir_wind,
- AFR_DATA_TRANSACTION);
- } else {
- /* But continued readdirs MUST stick to the same subvolume
- without an option to failover */
- afr_readdir_wind (frame, this, subvol);
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ int32_t op_errno = 0;
+ int subvol = -1;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!fd_ctx) {
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ local->op = whichop;
+ local->fd = fd_ref(fd);
+ local->cont.readdir.size = size;
+ local->cont.readdir.offset = offset;
+ local->xdata_req = (dict) ? dict_ref(dict) : NULL;
+
+ subvol = fd_ctx->readdir_subvol;
+
+ if (offset == 0 || subvol == -1) {
+ /* First readdir has option of failing over and selecting
+ an appropriate read subvolume */
+ afr_read_txn(frame, this, fd->inode, afr_readdir_wind,
+ AFR_DATA_TRANSACTION);
+ } else {
+ /* But continued readdirs MUST stick to the same subvolume
+ without an option to failover */
+ afr_readdir_wind(frame, this, subvol);
+ }
+
+ return 0;
out:
- AFR_STACK_UNWIND (readdir, frame, -1, op_errno, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(readdir, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
-
int32_t
-afr_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, dict_t *xdata)
+afr_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, dict_t *xdata)
{
- afr_do_readdir (frame, this, fd, size, offset, GF_FOP_READDIR, xdata);
+ afr_do_readdir(frame, this, fd, size, offset, GF_FOP_READDIR, xdata);
- return 0;
+ return 0;
}
-
int32_t
-afr_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, dict_t *dict)
+afr_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, dict_t *dict)
{
- afr_do_readdir (frame, this, fd, size, offset, GF_FOP_READDIRP, dict);
+ afr_do_readdir(frame, this, fd, size, offset, GF_FOP_READDIRP, dict);
- return 0;
+ return 0;
}
-
int32_t
-afr_releasedir (xlator_t *this, fd_t *fd)
+afr_releasedir(xlator_t *this, fd_t *fd)
{
- afr_cleanup_fd_ctx (this, fd);
+ afr_cleanup_fd_ctx(this, fd);
- return 0;
+ return 0;
}
diff --git a/xlators/cluster/afr/src/afr-dir-read.h b/xlators/cluster/afr/src/afr-dir-read.h
index 09456d15949..773e925ec6c 100644
--- a/xlators/cluster/afr/src/afr-dir-read.h
+++ b/xlators/cluster/afr/src/afr-dir-read.h
@@ -11,26 +11,23 @@
#ifndef __DIR_READ_H__
#define __DIR_READ_H__
-
int32_t
-afr_opendir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, fd_t *fd, dict_t *xdata);
+afr_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd,
+ dict_t *xdata);
int32_t
-afr_releasedir (xlator_t *this, fd_t *fd);
+afr_releasedir(xlator_t *this, fd_t *fd);
int32_t
-afr_readdir (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t offset, dict_t *xdata);
-
+afr_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, dict_t *xdata);
int32_t
-afr_readdirp (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t offset, dict_t *dict);
+afr_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, dict_t *dict);
int32_t
-afr_checksum (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t flags, dict_t *xdata);
-
+afr_checksum(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ dict_t *xdata);
#endif /* __DIR_READ_H__ */
diff --git a/xlators/cluster/afr/src/afr-dir-write.c b/xlators/cluster/afr/src/afr-dir-write.c
index 0e3ae18b46a..b7cceb79158 100644
--- a/xlators/cluster/afr/src/afr-dir-write.c
+++ b/xlators/cluster/afr/src/afr-dir-write.c
@@ -8,527 +8,493 @@
cases as published by the Free Software Foundation.
*/
-
#include <libgen.h>
#include <unistd.h>
-#include <fnmatch.h>
#include <sys/time.h>
#include <stdlib.h>
#include <signal.h>
-#include "glusterfs.h"
+#include <glusterfs/glusterfs.h>
#include "afr.h"
-#include "dict.h"
-#include "xlator.h"
-#include "hashfn.h"
-#include "logging.h"
-#include "list.h"
-#include "call-stub.h"
-#include "defaults.h"
-#include "common-utils.h"
-#include "compat-errno.h"
-#include "compat.h"
-#include "byte-order.h"
+#include <glusterfs/dict.h>
+#include <glusterfs/logging.h>
+#include <glusterfs/list.h>
+#include <glusterfs/defaults.h>
+#include <glusterfs/common-utils.h>
+#include <glusterfs/compat-errno.h>
+#include <glusterfs/compat.h>
+#include <glusterfs/byte-order.h>
#include "afr.h"
#include "afr-transaction.h"
void
-afr_mark_entry_pending_changelog (call_frame_t *frame, xlator_t *this);
+afr_mark_entry_pending_changelog(call_frame_t *frame, xlator_t *this);
int
-afr_build_parent_loc (loc_t *parent, loc_t *child, int32_t *op_errno)
+afr_build_parent_loc(loc_t *parent, loc_t *child, int32_t *op_errno)
{
- int ret = -1;
- char *child_path = NULL;
-
- if (!child->parent) {
- if (op_errno)
- *op_errno = EINVAL;
- goto out;
- }
-
- child_path = gf_strdup (child->path);
- if (!child_path) {
- if (op_errno)
- *op_errno = ENOMEM;
- goto out;
- }
-
- parent->path = gf_strdup (dirname (child_path));
- if (!parent->path) {
- if (op_errno)
- *op_errno = ENOMEM;
- goto out;
- }
-
- parent->inode = inode_ref (child->parent);
- gf_uuid_copy (parent->gfid, child->pargfid);
-
- ret = 0;
+ int ret = -1;
+ char *child_path = NULL;
+
+ if (!child->parent) {
+ if (op_errno)
+ *op_errno = EINVAL;
+ goto out;
+ }
+
+ child_path = gf_strdup(child->path);
+ if (!child_path) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
+
+ parent->path = gf_strdup(dirname(child_path));
+ if (!parent->path) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
+
+ parent->inode = inode_ref(child->parent);
+ gf_uuid_copy(parent->gfid, child->pargfid);
+
+ ret = 0;
out:
- GF_FREE (child_path);
+ GF_FREE(child_path);
- return ret;
+ return ret;
}
-
static void
-__afr_dir_write_finalize (call_frame_t *frame, xlator_t *this)
+__afr_dir_write_finalize(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int inode_read_subvol = -1;
- int parent_read_subvol = -1;
- int parent2_read_subvol = -1;
- int i = 0;
- afr_read_subvol_args_t args = {0,};
-
- local = frame->local;
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
- if (local->replies[i].op_ret == -1)
- continue;
- gf_uuid_copy (args.gfid, local->replies[i].poststat.ia_gfid);
- args.ia_type = local->replies[i].poststat.ia_type;
- break;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int inode_read_subvol = -1;
+ int parent_read_subvol = -1;
+ int parent2_read_subvol = -1;
+ int i = 0;
+ afr_read_subvol_args_t args = {
+ 0,
+ };
+
+ local = frame->local;
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+ if (local->replies[i].op_ret == -1)
+ continue;
+ gf_uuid_copy(args.gfid, local->replies[i].poststat.ia_gfid);
+ args.ia_type = local->replies[i].poststat.ia_type;
+ break;
+ }
+
+ if (local->inode) {
+ if (local->op != GF_FOP_RENAME && local->op != GF_FOP_LINK)
+ afr_replies_interpret(frame, this, local->inode, NULL);
+
+ inode_read_subvol = afr_data_subvol_get(local->inode, this, NULL, NULL,
+ NULL, &args);
+ }
+
+ if (local->parent)
+ parent_read_subvol = afr_data_subvol_get(local->parent, this, NULL,
+ local->readable, NULL, NULL);
+
+ if (local->parent2)
+ parent2_read_subvol = afr_data_subvol_get(local->parent2, this, NULL,
+ local->readable2, NULL, NULL);
+
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(local, priv);
+ afr_pick_error_xdata(local, priv, local->parent, local->readable,
+ local->parent2, local->readable2);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+ if (local->replies[i].op_ret < 0) {
+ if (local->inode)
+ afr_inode_need_refresh_set(local->inode, this);
+ if (local->parent)
+ afr_inode_need_refresh_set(local->parent, this);
+ if (local->parent2)
+ afr_inode_need_refresh_set(local->parent2, this);
+ continue;
}
- if (local->inode) {
- afr_replies_interpret (frame, this, local->inode, NULL);
- inode_read_subvol = afr_data_subvol_get (local->inode, this,
- NULL, NULL, NULL, &args);
- }
-
- if (local->parent)
- parent_read_subvol = afr_data_subvol_get (local->parent, this,
- NULL, local->readable, NULL, NULL);
-
- if (local->parent2)
- parent2_read_subvol = afr_data_subvol_get (local->parent2, this,
- NULL, local->readable2, NULL, NULL);
-
- local->op_ret = -1;
- local->op_errno = afr_final_errno (local, priv);
- afr_pick_error_xdata (local, priv, local->parent, local->readable,
- local->parent2, local->readable2);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
- if (local->replies[i].op_ret < 0) {
- if (local->inode)
- afr_inode_event_gen_reset (local->inode, this);
- if (local->parent)
- afr_inode_event_gen_reset (local->parent,
- this);
- if (local->parent2)
- afr_inode_event_gen_reset (local->parent2,
- this);
- continue;
- }
-
- if (local->op_ret == -1) {
- local->op_ret = local->replies[i].op_ret;
- local->op_errno = local->replies[i].op_errno;
-
- local->cont.dir_fop.buf =
- local->replies[i].poststat;
- local->cont.dir_fop.preparent =
- local->replies[i].preparent;
- local->cont.dir_fop.postparent =
- local->replies[i].postparent;
- local->cont.dir_fop.prenewparent =
- local->replies[i].preparent2;
- local->cont.dir_fop.postnewparent =
- local->replies[i].postparent2;
- if (local->xdata_rsp) {
- dict_unref (local->xdata_rsp);
- local->xdata_rsp = NULL;
- }
-
- if (local->replies[i].xdata)
- local->xdata_rsp =
- dict_ref (local->replies[i].xdata);
- continue;
- }
-
- if (i == inode_read_subvol) {
- local->cont.dir_fop.buf =
- local->replies[i].poststat;
- if (local->replies[i].xdata) {
- if (local->xdata_rsp)
- dict_unref (local->xdata_rsp);
- local->xdata_rsp =
- dict_ref (local->replies[i].xdata);
- }
- }
-
- if (i == parent_read_subvol) {
- local->cont.dir_fop.preparent =
- local->replies[i].preparent;
- local->cont.dir_fop.postparent =
- local->replies[i].postparent;
- }
-
- if (i == parent2_read_subvol) {
- local->cont.dir_fop.prenewparent =
- local->replies[i].preparent2;
- local->cont.dir_fop.postnewparent =
- local->replies[i].postparent2;
- }
- }
+ if (local->op_ret == -1) {
+ local->op_ret = local->replies[i].op_ret;
+ local->op_errno = local->replies[i].op_errno;
+
+ local->cont.dir_fop.buf = local->replies[i].poststat;
+ local->cont.dir_fop.preparent = local->replies[i].preparent;
+ local->cont.dir_fop.postparent = local->replies[i].postparent;
+ local->cont.dir_fop.prenewparent = local->replies[i].preparent2;
+ local->cont.dir_fop.postnewparent = local->replies[i].postparent2;
+ if (local->xdata_rsp) {
+ dict_unref(local->xdata_rsp);
+ local->xdata_rsp = NULL;
+ }
+
+ if (local->replies[i].xdata)
+ local->xdata_rsp = dict_ref(local->replies[i].xdata);
+ continue;
+ }
-}
+ if (i == inode_read_subvol) {
+ local->cont.dir_fop.buf = local->replies[i].poststat;
+ if (local->replies[i].xdata) {
+ if (local->xdata_rsp)
+ dict_unref(local->xdata_rsp);
+ local->xdata_rsp = dict_ref(local->replies[i].xdata);
+ }
+ }
+ if (i == parent_read_subvol) {
+ local->cont.dir_fop.preparent = local->replies[i].preparent;
+ local->cont.dir_fop.postparent = local->replies[i].postparent;
+ }
+
+ if (i == parent2_read_subvol) {
+ local->cont.dir_fop.prenewparent = local->replies[i].preparent2;
+ local->cont.dir_fop.postnewparent = local->replies[i].postparent2;
+ }
+ }
+}
static void
-__afr_dir_write_fill (call_frame_t *frame, xlator_t *this, int child_index,
- int op_ret, int op_errno, struct iatt *poststat,
- struct iatt *preparent, struct iatt *postparent,
- struct iatt *preparent2, struct iatt *postparent2,
- dict_t *xdata)
+__afr_dir_write_fill(call_frame_t *frame, xlator_t *this, int child_index,
+ int op_ret, int op_errno, struct iatt *poststat,
+ struct iatt *preparent, struct iatt *postparent,
+ struct iatt *preparent2, struct iatt *postparent2,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- local = frame->local;
- fd_ctx = local->fd_ctx;
-
- local->replies[child_index].valid = 1;
- local->replies[child_index].op_ret = op_ret;
- local->replies[child_index].op_errno = op_errno;
- if (xdata)
- local->replies[child_index].xdata = dict_ref (xdata);
-
-
- if (op_ret >= 0) {
- if (poststat)
- local->replies[child_index].poststat = *poststat;
- if (preparent)
- local->replies[child_index].preparent = *preparent;
- if (postparent)
- local->replies[child_index].postparent = *postparent;
- if (preparent2)
- local->replies[child_index].preparent2 = *preparent2;
- if (postparent2)
- local->replies[child_index].postparent2 = *postparent2;
- if (fd_ctx)
- fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
- } else {
- if (op_errno != ENOTEMPTY)
- afr_transaction_fop_failed (frame, this, child_index);
- if (fd_ctx)
- fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
- }
-
- return;
+ afr_local_t *local = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ local = frame->local;
+ fd_ctx = local->fd_ctx;
+
+ local->replies[child_index].valid = 1;
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+ if (xdata)
+ local->replies[child_index].xdata = dict_ref(xdata);
+
+ if (op_ret >= 0) {
+ if (poststat)
+ local->replies[child_index].poststat = *poststat;
+ if (preparent)
+ local->replies[child_index].preparent = *preparent;
+ if (postparent)
+ local->replies[child_index].postparent = *postparent;
+ if (preparent2)
+ local->replies[child_index].preparent2 = *preparent2;
+ if (postparent2)
+ local->replies[child_index].postparent2 = *postparent2;
+ if (fd_ctx)
+ fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
+ } else {
+ if (op_errno != ENOTEMPTY)
+ afr_transaction_fop_failed(frame, this, child_index);
+ if (fd_ctx)
+ fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
+ }
+
+ return;
}
-
static int
-__afr_dir_write_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *buf,
- struct iatt *preparent, struct iatt *postparent,
- struct iatt *preparent2, struct iatt *postparent2,
- dict_t *xdata)
+__afr_dir_write_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *buf,
+ struct iatt *preparent, struct iatt *postparent,
+ struct iatt *preparent2, struct iatt *postparent2,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int child_index = (long) cookie;
- int call_count = -1;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- local = frame->local;
-
- LOCK (&frame->lock);
- {
- __afr_dir_write_fill (frame, this, child_index, op_ret,
- op_errno, buf, preparent, postparent,
- preparent2, postparent2, xdata);
- }
- UNLOCK (&frame->lock);
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- __afr_dir_write_finalize (frame, this);
-
- if (afr_txn_nothing_failed (frame, this)) {
- /*if it did pre-op, it will do post-op changing ctime*/
- if (priv->consistent_metadata &&
- afr_needs_changelog_update (local))
- afr_zero_fill_stat (local);
- local->transaction.unwind (frame, this);
- }
-
- afr_mark_entry_pending_changelog (frame, this);
-
- afr_transaction_resume (frame, this);
+ afr_local_t *local = NULL;
+ int child_index = (long)cookie;
+ int call_count = -1;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ LOCK(&frame->lock);
+ {
+ __afr_dir_write_fill(frame, this, child_index, op_ret, op_errno, buf,
+ preparent, postparent, preparent2, postparent2,
+ xdata);
+ call_count = --local->call_count;
+ }
+ UNLOCK(&frame->lock);
+
+ if (call_count == 0) {
+ __afr_dir_write_finalize(frame, this);
+
+ if (afr_txn_nothing_failed(frame, this)) {
+ /*if it did pre-op, it will do post-op changing ctime*/
+ if (priv->consistent_metadata && afr_needs_changelog_update(local))
+ afr_zero_fill_stat(local);
+ local->transaction.unwind(frame, this);
}
- return 0;
-}
+ afr_mark_entry_pending_changelog(frame, this);
+
+ afr_transaction_resume(frame, this);
+ }
+ return 0;
+}
int
-afr_mark_new_entry_changelog_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- dict_t *xattr, dict_t *xdata)
+afr_mark_new_entry_changelog_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret, int op_errno,
+ dict_t *xattr, dict_t *xdata)
{
- int call_count = 0;
+ int call_count = 0;
- call_count = afr_frame_return (frame);
+ call_count = afr_frame_return(frame);
- if (call_count == 0)
- AFR_STACK_DESTROY (frame);
+ if (call_count == 0)
+ AFR_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
-
void
-afr_mark_new_entry_changelog (call_frame_t *frame, xlator_t *this)
+afr_mark_new_entry_changelog(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *new_frame = NULL;
- afr_local_t *local = NULL;
- afr_local_t *new_local = NULL;
- afr_private_t *priv = NULL;
- dict_t *xattr = NULL;
- int32_t **changelog = NULL;
- int i = 0;
- int op_errno = ENOMEM;
- unsigned char *pending = NULL;
- int call_count = 0;
-
- local = frame->local;
- priv = this->private;
-
- new_frame = copy_frame (frame);
- if (!new_frame)
- goto out;
-
- new_local = AFR_FRAME_INIT (new_frame, op_errno);
- if (!new_local)
- goto out;
-
- xattr = dict_new ();
- if (!xattr)
- goto out;
-
- pending = alloca0 (priv->child_count);
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i] &&
- !local->transaction.failed_subvols[i]) {
- call_count ++;
- continue;
- }
- pending[i] = 1;
- }
-
- changelog = afr_mark_pending_changelog (priv, pending, xattr,
- local->cont.dir_fop.buf.ia_type);
- if (!changelog)
- goto out;
-
- new_local->pending = changelog;
- gf_uuid_copy (new_local->loc.gfid, local->cont.dir_fop.buf.ia_gfid);
- new_local->loc.inode = inode_ref (local->inode);
-
- new_local->call_count = call_count;
-
- for (i = 0; i < priv->child_count; i++) {
- if (pending[i])
- continue;
-
- STACK_WIND_COOKIE (new_frame, afr_mark_new_entry_changelog_cbk,
- (void *) (long) i, priv->children[i],
- priv->children[i]->fops->xattrop,
- &new_local->loc, GF_XATTROP_ADD_ARRAY,
- xattr, NULL);
- if (!--call_count)
- break;
+ call_frame_t *new_frame = NULL;
+ afr_local_t *local = NULL;
+ afr_local_t *new_local = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xattr = NULL;
+ int32_t **changelog = NULL;
+ int i = 0;
+ int op_errno = ENOMEM;
+ unsigned char *pending = NULL;
+ int call_count = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ new_frame = copy_frame(frame);
+ if (!new_frame)
+ goto out;
+
+ new_local = AFR_FRAME_INIT(new_frame, op_errno);
+ if (!new_local)
+ goto out;
+
+ xattr = dict_new();
+ if (!xattr)
+ goto out;
+
+ pending = alloca0(priv->child_count);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.pre_op[i] &&
+ !local->transaction.failed_subvols[i]) {
+ call_count++;
+ continue;
}
+ pending[i] = 1;
+ }
+
+ changelog = afr_mark_pending_changelog(priv, pending, xattr,
+ local->cont.dir_fop.buf.ia_type);
+ if (!changelog)
+ goto out;
+
+ new_local->pending = changelog;
+ gf_uuid_copy(new_local->loc.gfid, local->cont.dir_fop.buf.ia_gfid);
+ new_local->loc.inode = inode_ref(local->inode);
- new_frame = NULL;
+ new_local->call_count = call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (pending[i])
+ continue;
+
+ STACK_WIND_COOKIE(new_frame, afr_mark_new_entry_changelog_cbk,
+ (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->xattrop, &new_local->loc,
+ GF_XATTROP_ADD_ARRAY, xattr, NULL);
+ if (!--call_count)
+ break;
+ }
+
+ new_frame = NULL;
out:
- if (new_frame)
- AFR_STACK_DESTROY (new_frame);
- if (xattr)
- dict_unref (xattr);
- return;
+ if (new_frame)
+ AFR_STACK_DESTROY(new_frame);
+ if (xattr)
+ dict_unref(xattr);
+ return;
}
-
void
-afr_mark_entry_pending_changelog (call_frame_t *frame, xlator_t *this)
+afr_mark_entry_pending_changelog(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int pre_op_count = 0;
- int failed_count = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int pre_op_count = 0;
+ int failed_count = 0;
+ unsigned char *success_replies = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- if (local->op_ret < 0)
- return;
+ if (local->op_ret < 0)
+ return;
- if (local->op != GF_FOP_CREATE && local->op != GF_FOP_MKNOD &&
- local->op != GF_FOP_MKDIR)
- return;
+ if (local->op != GF_FOP_CREATE && local->op != GF_FOP_MKNOD &&
+ local->op != GF_FOP_MKDIR)
+ return;
- pre_op_count = AFR_COUNT (local->transaction.pre_op, priv->child_count);
- failed_count = AFR_COUNT (local->transaction.failed_subvols,
- priv->child_count);
+ pre_op_count = AFR_COUNT(local->transaction.pre_op, priv->child_count);
+ failed_count = AFR_COUNT(local->transaction.failed_subvols,
+ priv->child_count);
- if (pre_op_count == priv->child_count && !failed_count)
- return;
+ /* FOP succeeded on all bricks. */
+ if (pre_op_count == priv->child_count && !failed_count)
+ return;
- afr_mark_new_entry_changelog (frame, this);
+ /* FOP did not suceed on quorum no. of bricks. */
+ success_replies = alloca0(priv->child_count);
+ afr_fill_success_replies(local, priv, success_replies);
+ if (!afr_has_quorum(success_replies, this, NULL))
+ return;
+ if (priv->thin_arbiter_count) {
+ /*Mark new entry using ta file*/
+ local->is_new_entry = _gf_true;
return;
-}
+ }
+ afr_mark_new_entry_changelog(frame, this);
+
+ return;
+}
/* {{{ create */
int
-afr_create_unwind (call_frame_t *frame, xlator_t *this)
+afr_create_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
+ local = frame->local;
- if (!main_frame)
- return 0;
+ main_frame = afr_transaction_detach_fop_frame(frame);
- AFR_STACK_UNWIND (create, main_frame, local->op_ret, local->op_errno,
- local->cont.create.fd, local->inode,
- &local->cont.dir_fop.buf,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent, local->xdata_rsp);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(create, main_frame, local->op_ret, local->op_errno,
+ local->cont.create.fd, local->inode,
+ &local->cont.dir_fop.buf, &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_create_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- fd_t *fd, inode_t *inode, struct iatt *buf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+afr_create_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, buf,
- preparent, postparent, NULL, NULL, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ preparent, postparent, NULL, NULL, xdata);
}
-
int
-afr_create_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_create_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- STACK_WIND_COOKIE (frame, afr_create_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->create,
- &local->loc, local->cont.create.flags,
- local->cont.create.mode, local->umask,
- local->cont.create.fd, local->xdata_req);
- return 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ STACK_WIND_COOKIE(frame, afr_create_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->create, &local->loc,
+ local->cont.create.flags, local->cont.create.mode,
+ local->umask, local->cont.create.fd, local->xdata_req);
+ return 0;
}
-
int
-afr_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
- mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata)
+afr_create(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, loc);
-
- local->fd_ctx = afr_fd_ctx_get (fd, this);
- if (!local->fd_ctx)
- goto out;
-
- local->inode = inode_ref (loc->inode);
- local->parent = inode_ref (loc->parent);
-
- local->op = GF_FOP_CREATE;
- local->cont.create.flags = flags;
- local->fd_ctx->flags = flags;
- local->cont.create.mode = mode;
- local->cont.create.fd = fd_ref (fd);
- local->umask = umask;
-
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
-
- if (!local->xdata_req)
- goto out;
-
- local->transaction.wind = afr_create_wind;
- local->transaction.unwind = afr_create_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, loc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (loc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[0], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- int_lock->lockee_count++;
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, loc);
+
+ local->fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!local->fd_ctx)
+ goto out;
+
+ local->inode = inode_ref(loc->inode);
+ local->parent = inode_ref(loc->parent);
+
+ local->op = GF_FOP_CREATE;
+ local->cont.create.flags = flags;
+ local->fd_ctx->flags = flags;
+ local->cont.create.mode = mode;
+ local->cont.create.fd = fd_ref(fd);
+ local->umask = umask;
+
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req)
+ goto out;
+
+ local->transaction.wind = afr_create_wind;
+ local->transaction.unwind = afr_create_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, loc, &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(loc->path);
+ ret = afr_transaction(transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (create, frame, -1, op_errno, NULL, NULL, NULL, NULL,
- NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(create, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL,
+ NULL);
+ return 0;
}
/* }}} */
@@ -536,516 +502,436 @@ out:
/* {{{ mknod */
int
-afr_mknod_unwind (call_frame_t *frame, xlator_t *this)
+afr_mknod_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
-
- AFR_STACK_UNWIND (mknod, main_frame, local->op_ret, local->op_errno,
- local->inode, &local->cont.dir_fop.buf,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(mknod, main_frame, local->op_ret, local->op_errno,
+ local->inode, &local->cont.dir_fop.buf,
+ &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_mknod_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct iatt *buf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+afr_mknod_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, buf,
- preparent, postparent, NULL, NULL, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ preparent, postparent, NULL, NULL, xdata);
}
-
int
-afr_mknod_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_mknod_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- STACK_WIND_COOKIE (frame, afr_mknod_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->mknod,
- &local->loc, local->cont.mknod.mode,
- local->cont.mknod.dev, local->umask,
- local->xdata_req);
- return 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ STACK_WIND_COOKIE(frame, afr_mknod_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->mknod, &local->loc,
+ local->cont.mknod.mode, local->cont.mknod.dev,
+ local->umask, local->xdata_req);
+ return 0;
}
int
-afr_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
- dev_t dev, mode_t umask, dict_t *xdata)
+afr_mknod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t dev, mode_t umask, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, loc);
- local->inode = inode_ref (loc->inode);
- local->parent = inode_ref (loc->parent);
-
- local->op = GF_FOP_MKNOD;
- local->cont.mknod.mode = mode;
- local->cont.mknod.dev = dev;
- local->umask = umask;
-
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
-
- if (!local->xdata_req)
- goto out;
-
- local->transaction.wind = afr_mknod_wind;
- local->transaction.unwind = afr_mknod_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, loc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (loc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[0], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- int_lock->lockee_count++;
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, loc);
+ local->inode = inode_ref(loc->inode);
+ local->parent = inode_ref(loc->parent);
+
+ local->op = GF_FOP_MKNOD;
+ local->cont.mknod.mode = mode;
+ local->cont.mknod.dev = dev;
+ local->umask = umask;
+
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req)
+ goto out;
+
+ local->transaction.wind = afr_mknod_wind;
+ local->transaction.unwind = afr_mknod_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, loc, &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(loc->path);
+ ret = afr_transaction(transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (mknod, frame, -1, op_errno, NULL, NULL, NULL, NULL,
- NULL);
- return 0;
+ AFR_STACK_UNWIND(mknod, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
+ return 0;
}
/* }}} */
/* {{{ mkdir */
-
int
-afr_mkdir_unwind (call_frame_t *frame, xlator_t *this)
+afr_mkdir_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (mkdir, main_frame, local->op_ret, local->op_errno,
- local->inode, &local->cont.dir_fop.buf,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(mkdir, main_frame, local->op_ret, local->op_errno,
+ local->inode, &local->cont.dir_fop.buf,
+ &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_mkdir_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct iatt *buf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+afr_mkdir_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, buf,
- preparent, postparent, NULL, NULL, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ preparent, postparent, NULL, NULL, xdata);
}
-
int
-afr_mkdir_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_mkdir_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_mkdir_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->mkdir, &local->loc,
- local->cont.mkdir.mode, local->umask,
- local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_mkdir_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->mkdir, &local->loc,
+ local->cont.mkdir.mode, local->umask, local->xdata_req);
+ return 0;
}
-
int
-afr_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
- mode_t umask, dict_t *xdata)
+afr_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, loc);
- local->inode = inode_ref (loc->inode);
- local->parent = inode_ref (loc->parent);
-
- local->cont.mkdir.mode = mode;
- local->umask = umask;
-
- if (!xdata || !dict_get (xdata, "gfid-req")) {
- op_errno = EPERM;
- gf_msg_callingfn (this->name, GF_LOG_WARNING, op_errno,
- AFR_MSG_GFID_NULL, "mkdir: %s is received "
- "without gfid-req %p", loc->path, xdata);
- goto out;
- }
-
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- if (!local->xdata_req) {
- op_errno = ENOMEM;
- goto out;
- }
-
- local->op = GF_FOP_MKDIR;
- local->transaction.wind = afr_mkdir_wind;
- local->transaction.unwind = afr_mkdir_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, loc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (loc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[0], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- int_lock->lockee_count++;
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, loc);
+ local->inode = inode_ref(loc->inode);
+ local->parent = inode_ref(loc->parent);
+
+ local->cont.mkdir.mode = mode;
+ local->umask = umask;
+
+ if (!xdata || !dict_get_sizen(xdata, "gfid-req")) {
+ op_errno = EPERM;
+ gf_msg_callingfn(this->name, GF_LOG_WARNING, op_errno,
+ AFR_MSG_GFID_NULL,
+ "mkdir: %s is received "
+ "without gfid-req %p",
+ loc->path, xdata);
+ goto out;
+ }
+
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ if (!local->xdata_req) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ local->op = GF_FOP_MKDIR;
+ local->transaction.wind = afr_mkdir_wind;
+ local->transaction.unwind = afr_mkdir_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, loc, &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(loc->path);
+ ret = afr_transaction(transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL,
- NULL);
- return 0;
+ AFR_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
+ return 0;
}
/* }}} */
/* {{{ link */
-
int
-afr_link_unwind (call_frame_t *frame, xlator_t *this)
+afr_link_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (link, main_frame, local->op_ret, local->op_errno,
- local->inode, &local->cont.dir_fop.buf,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(link, main_frame, local->op_ret, local->op_errno,
+ local->inode, &local->cont.dir_fop.buf,
+ &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_link_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct iatt *buf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+afr_link_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, buf,
- preparent, postparent, NULL, NULL, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ preparent, postparent, NULL, NULL, xdata);
}
-
int
-afr_link_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_link_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_link_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->link,
- &local->loc, &local->newloc, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_link_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->link, &local->loc,
+ &local->newloc, local->xdata_req);
+ return 0;
}
-
int
-afr_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
- dict_t *xdata)
+afr_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, oldloc);
- loc_copy (&local->newloc, newloc);
-
- local->inode = inode_ref (oldloc->inode);
- local->parent = inode_ref (newloc->parent);
-
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
-
- if (!local->xdata_req)
- goto out;
-
- local->op = GF_FOP_LINK;
-
- local->transaction.wind = afr_link_wind;
- local->transaction.unwind = afr_link_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, newloc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (newloc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[0], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- int_lock->lockee_count++;
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, oldloc);
+ loc_copy(&local->newloc, newloc);
- return 0;
+ local->inode = inode_ref(oldloc->inode);
+ local->parent = inode_ref(newloc->parent);
+
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req)
+ goto out;
+
+ local->op = GF_FOP_LINK;
+
+ local->transaction.wind = afr_link_wind;
+ local->transaction.unwind = afr_link_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, newloc,
+ &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(newloc->path);
+ ret = afr_transaction(transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (link, frame, -1, op_errno, NULL, NULL, NULL, NULL,
- NULL);
- return 0;
+ AFR_STACK_UNWIND(link, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
+ return 0;
}
/* }}} */
/* {{{ symlink */
-
int
-afr_symlink_unwind (call_frame_t *frame, xlator_t *this)
+afr_symlink_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (symlink, main_frame, local->op_ret, local->op_errno,
- local->inode, &local->cont.dir_fop.buf,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(symlink, main_frame, local->op_ret, local->op_errno,
+ local->inode, &local->cont.dir_fop.buf,
+ &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_symlink_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, inode_t *inode,
- struct iatt *buf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+afr_symlink_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, buf,
- preparent, postparent, NULL, NULL, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ preparent, postparent, NULL, NULL, xdata);
}
-
int
-afr_symlink_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_symlink_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- STACK_WIND_COOKIE (frame, afr_symlink_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->symlink,
- local->cont.symlink.linkpath, &local->loc,
- local->umask, local->xdata_req);
- return 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ STACK_WIND_COOKIE(frame, afr_symlink_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->symlink,
+ local->cont.symlink.linkpath, &local->loc, local->umask,
+ local->xdata_req);
+ return 0;
}
-
int
-afr_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath,
- loc_t *loc, mode_t umask, dict_t *xdata)
+afr_symlink(call_frame_t *frame, xlator_t *this, const char *linkpath,
+ loc_t *loc, mode_t umask, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, loc);
- local->inode = inode_ref (loc->inode);
- local->parent = inode_ref (loc->parent);
-
- local->cont.symlink.linkpath = gf_strdup (linkpath);
- local->umask = umask;
-
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
-
- if (!local->xdata_req)
- goto out;
-
- local->op = GF_FOP_SYMLINK;
- local->transaction.wind = afr_symlink_wind;
- local->transaction.unwind = afr_symlink_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, loc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (loc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[0], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- int_lock->lockee_count++;
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, loc);
+ local->inode = inode_ref(loc->inode);
+ local->parent = inode_ref(loc->parent);
+
+ local->cont.symlink.linkpath = gf_strdup(linkpath);
+ local->umask = umask;
+
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req)
+ goto out;
+
+ local->op = GF_FOP_SYMLINK;
+ local->transaction.wind = afr_symlink_wind;
+ local->transaction.unwind = afr_symlink_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, loc, &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(loc->path);
+ ret = afr_transaction(transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (symlink, frame, -1, op_errno, NULL, NULL, NULL,
- NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(symlink, frame, -1, op_errno, NULL, NULL, NULL, NULL,
+ NULL);
+ return 0;
}
/* }}} */
@@ -1053,159 +939,118 @@ out:
/* {{{ rename */
int
-afr_rename_unwind (call_frame_t *frame, xlator_t *this)
+afr_rename_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (rename, main_frame, local->op_ret, local->op_errno,
- &local->cont.dir_fop.buf,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent,
- &local->cont.dir_fop.prenewparent,
- &local->cont.dir_fop.postnewparent, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(rename, main_frame, local->op_ret, local->op_errno,
+ &local->cont.dir_fop.buf, &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent,
+ &local->cont.dir_fop.prenewparent,
+ &local->cont.dir_fop.postnewparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_rename_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *buf,
- struct iatt *preoldparent, struct iatt *postoldparent,
- struct iatt *prenewparent, struct iatt *postnewparent,
- dict_t *xdata)
+afr_rename_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *buf,
+ struct iatt *preoldparent, struct iatt *postoldparent,
+ struct iatt *prenewparent, struct iatt *postnewparent,
+ dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, buf,
- preoldparent, postoldparent, prenewparent,
- postnewparent, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, buf,
+ preoldparent, postoldparent, prenewparent,
+ postnewparent, xdata);
}
-
int
-afr_rename_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_rename_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_rename_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->rename,
- &local->loc, &local->newloc, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_rename_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->rename, &local->loc,
+ &local->newloc, local->xdata_req);
+ return 0;
}
-
int
-afr_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
- dict_t *xdata)
+afr_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
- int nlockee = 0;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame) {
- op_errno = ENOMEM;
- goto out;
- }
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, oldloc);
- loc_copy (&local->newloc, newloc);
-
- local->inode = inode_ref (oldloc->inode);
- local->parent = inode_ref (oldloc->parent);
- local->parent2 = inode_ref (newloc->parent);
-
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
-
- if (!local->xdata_req)
- goto out;
-
- local->op = GF_FOP_RENAME;
- local->transaction.wind = afr_rename_wind;
- local->transaction.unwind = afr_rename_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, oldloc,
- &op_errno);
- if (ret)
- goto out;
- ret = afr_build_parent_loc (&local->transaction.new_parent_loc, newloc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (oldloc->path);
- local->transaction.new_basename = AFR_BASENAME (newloc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = nlockee = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[nlockee], local,
- &local->transaction.new_parent_loc,
- local->transaction.new_basename,
- priv->child_count);
- if (ret)
- goto out;
-
- nlockee++;
- ret = afr_init_entry_lockee (&int_lock->lockee[nlockee], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- nlockee++;
- if (local->newloc.inode && IA_ISDIR (local->newloc.inode->ia_type)) {
- ret = afr_init_entry_lockee (&int_lock->lockee[nlockee], local,
- &local->newloc,
- NULL,
- priv->child_count);
- if (ret)
- goto out;
-
- nlockee++;
- }
- qsort (int_lock->lockee, nlockee, sizeof (*int_lock->lockee),
- afr_entry_lockee_cmp);
- int_lock->lockee_count = nlockee;
-
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_RENAME_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, oldloc);
+ loc_copy(&local->newloc, newloc);
+
+ local->inode = inode_ref(oldloc->inode);
+ local->parent = inode_ref(oldloc->parent);
+ local->parent2 = inode_ref(newloc->parent);
+
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req)
+ goto out;
+
+ local->op = GF_FOP_RENAME;
+ local->transaction.wind = afr_rename_wind;
+ local->transaction.unwind = afr_rename_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, oldloc,
+ &op_errno);
+ if (ret)
+ goto out;
+ ret = afr_build_parent_loc(&local->transaction.new_parent_loc, newloc,
+ &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(oldloc->path);
+ local->transaction.new_basename = AFR_BASENAME(newloc->path);
+ ret = afr_transaction(transaction_frame, this,
+ AFR_ENTRY_RENAME_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (rename, frame, -1, op_errno, NULL, NULL, NULL, NULL,
- NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(rename, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL,
+ NULL);
+ return 0;
}
/* }}} */
@@ -1213,259 +1058,205 @@ out:
/* {{{ unlink */
int
-afr_unlink_unwind (call_frame_t *frame, xlator_t *this)
+afr_unlink_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
-
- local = frame->local;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (unlink, main_frame, local->op_ret, local->op_errno,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(unlink, main_frame, local->op_ret, local->op_errno,
+ &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_unlink_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+afr_unlink_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, NULL,
- preparent, postparent, NULL, NULL, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ preparent, postparent, NULL, NULL, xdata);
}
-
int
-afr_unlink_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_unlink_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_unlink_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->unlink,
- &local->loc, local->xflag, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_unlink_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->unlink, &local->loc,
+ local->xflag, local->xdata_req);
+ return 0;
}
-
int
-afr_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
- dict_t *xdata)
+afr_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, loc);
- local->xflag = xflag;
-
- local->inode = inode_ref (loc->inode);
- local->parent = inode_ref (loc->parent);
-
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
-
- if (!local->xdata_req)
- goto out;
-
- local->op = GF_FOP_UNLINK;
- local->transaction.wind = afr_unlink_wind;
- local->transaction.unwind = afr_unlink_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, loc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (loc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[0], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- int_lock->lockee_count++;
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, loc);
+ local->xflag = xflag;
+
+ local->inode = inode_ref(loc->inode);
+ local->parent = inode_ref(loc->parent);
+
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req)
+ goto out;
+
+ local->op = GF_FOP_UNLINK;
+ local->transaction.wind = afr_unlink_wind;
+ local->transaction.unwind = afr_unlink_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, loc, &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(loc->path);
+ ret = afr_transaction(transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (unlink, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(unlink, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
/* }}} */
/* {{{ rmdir */
-
-
int
-afr_rmdir_unwind (call_frame_t *frame, xlator_t *this)
+afr_rmdir_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *main_frame = NULL;
- afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
-
- AFR_STACK_UNWIND (rmdir, main_frame, local->op_ret, local->op_errno,
- &local->cont.dir_fop.preparent,
- &local->cont.dir_fop.postparent, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(rmdir, main_frame, local->op_ret, local->op_errno,
+ &local->cont.dir_fop.preparent,
+ &local->cont.dir_fop.postparent, local->xdata_rsp);
+ return 0;
+}
int
-afr_rmdir_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+afr_rmdir_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- return __afr_dir_write_cbk (frame, cookie, this, op_ret, op_errno, NULL,
- preparent, postparent, NULL, NULL, xdata);
+ return __afr_dir_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ preparent, postparent, NULL, NULL, xdata);
}
-
int
-afr_rmdir_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_rmdir_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_rmdir_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->rmdir,
- &local->loc, local->cont.rmdir.flags, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_rmdir_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->rmdir, &local->loc,
+ local->cont.rmdir.flags, local->xdata_req);
+ return 0;
}
-
int
-afr_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
- dict_t *xdata)
+afr_rmdir(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
- int nlockee = 0;
-
- priv = this->private;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
-
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
-
-
- loc_copy (&local->loc, loc);
- local->inode = inode_ref (loc->inode);
- local->parent = inode_ref (loc->parent);
-
- local->cont.rmdir.flags = flags;
-
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
-
- if (!local->xdata_req)
- goto out;
-
- local->op = GF_FOP_RMDIR;
- local->transaction.wind = afr_rmdir_wind;
- local->transaction.unwind = afr_rmdir_unwind;
-
- ret = afr_build_parent_loc (&local->transaction.parent_loc, loc,
- &op_errno);
- if (ret)
- goto out;
-
- local->transaction.main_frame = frame;
- local->transaction.basename = AFR_BASENAME (loc->path);
- int_lock = &local->internal_lock;
-
- int_lock->lockee_count = nlockee = 0;
- ret = afr_init_entry_lockee (&int_lock->lockee[nlockee], local,
- &local->transaction.parent_loc,
- local->transaction.basename,
- priv->child_count);
- if (ret)
- goto out;
-
- nlockee++;
- ret = afr_init_entry_lockee (&int_lock->lockee[nlockee], local,
- &local->loc,
- NULL,
- priv->child_count);
- if (ret)
- goto out;
-
- nlockee++;
- qsort (int_lock->lockee, nlockee, sizeof (*int_lock->lockee),
- afr_entry_lockee_cmp);
- int_lock->lockee_count = nlockee;
-
- ret = afr_transaction (transaction_frame, this, AFR_ENTRY_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
-
- return 0;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
+
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
+
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, loc);
+ local->inode = inode_ref(loc->inode);
+ local->parent = inode_ref(loc->parent);
+
+ local->cont.rmdir.flags = flags;
+
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req)
+ goto out;
+
+ local->op = GF_FOP_RMDIR;
+ local->transaction.wind = afr_rmdir_wind;
+ local->transaction.unwind = afr_rmdir_unwind;
+
+ ret = afr_build_parent_loc(&local->transaction.parent_loc, loc, &op_errno);
+ if (ret)
+ goto out;
+
+ local->transaction.main_frame = frame;
+ local->transaction.basename = AFR_BASENAME(loc->path);
+ ret = afr_transaction(transaction_frame, this, AFR_ENTRY_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (rmdir, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(rmdir, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
/* }}} */
diff --git a/xlators/cluster/afr/src/afr-dir-write.h b/xlators/cluster/afr/src/afr-dir-write.h
index 02f0a3682d9..1d88c3b9b26 100644
--- a/xlators/cluster/afr/src/afr-dir-write.h
+++ b/xlators/cluster/afr/src/afr-dir-write.h
@@ -12,36 +12,35 @@
#define __DIR_WRITE_H__
int32_t
-afr_create (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t flags, mode_t mode,
- mode_t umask, fd_t *fd, dict_t *xdata);
+afr_create(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata);
int32_t
-afr_mknod (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, dev_t dev, mode_t umask, dict_t *xdata);
+afr_mknod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t dev, mode_t umask, dict_t *xdata);
int32_t
-afr_mkdir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, mode_t umask, dict_t *xdata);
+afr_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata);
int32_t
-afr_unlink (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int xflag, dict_t *xdata);
+afr_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+ dict_t *xdata);
int32_t
-afr_rmdir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int flags, dict_t *xdata);
+afr_rmdir(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ dict_t *xdata);
int32_t
-afr_link (call_frame_t *frame, xlator_t *this,
- loc_t *oldloc, loc_t *newloc, dict_t *xdata);
+afr_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata);
int32_t
-afr_rename (call_frame_t *frame, xlator_t *this,
- loc_t *oldloc, loc_t *newloc, dict_t *xdata);
+afr_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata);
int
-afr_symlink (call_frame_t *frame, xlator_t *this,
- const char *linkpath, loc_t *oldloc, mode_t umask, dict_t *params);
+afr_symlink(call_frame_t *frame, xlator_t *this, const char *linkpath,
+ loc_t *oldloc, mode_t umask, dict_t *params);
#endif /* __DIR_WRITE_H__ */
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c
index e8192a2b753..c5521704de2 100644
--- a/xlators/cluster/afr/src/afr-inode-read.c
+++ b/xlators/cluster/afr/src/afr-inode-read.c
@@ -8,7 +8,6 @@
cases as published by the Free Software Foundation.
*/
-
#include <libgen.h>
#include <unistd.h>
#include <fnmatch.h>
@@ -16,20 +15,17 @@
#include <stdlib.h>
#include <signal.h>
-#include "glusterfs.h"
+#include <glusterfs/glusterfs.h>
#include "afr.h"
-#include "dict.h"
-#include "xlator.h"
-#include "hashfn.h"
-#include "logging.h"
-#include "list.h"
-#include "call-stub.h"
-#include "byte-order.h"
-#include "defaults.h"
-#include "common-utils.h"
-#include "compat-errno.h"
-#include "compat.h"
-#include "quota-common-utils.h"
+#include <glusterfs/dict.h>
+#include <glusterfs/logging.h>
+#include <glusterfs/list.h>
+#include <glusterfs/byte-order.h>
+#include <glusterfs/defaults.h>
+#include <glusterfs/common-utils.h>
+#include <glusterfs/compat-errno.h>
+#include <glusterfs/compat.h>
+#include <glusterfs/quota-common-utils.h>
#include "afr-transaction.h"
#include "afr-messages.h"
@@ -44,146 +40,146 @@
* */
int
-afr_handle_quota_size (call_frame_t *frame, xlator_t *this)
+afr_handle_quota_size(call_frame_t *frame, xlator_t *this)
{
- unsigned char *readable = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- struct afr_reply *replies = NULL;
- int i = 0;
- int ret = 0;
- quota_meta_t size = {0, };
- quota_meta_t max_size = {0, };
- int readable_cnt = 0;
- int read_subvol = -1;
-
- local = frame->local;
- priv = this->private;
- replies = local->replies;
-
- readable = alloca0 (priv->child_count);
-
- afr_inode_read_subvol_get (local->inode, this, readable, 0, 0);
-
- readable_cnt = AFR_COUNT (readable, priv->child_count);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1)
- continue;
- if (readable_cnt && !readable[i])
- continue;
- if (!replies[i].xdata)
- continue;
- ret = quota_dict_get_meta (replies[i].xdata, QUOTA_SIZE_KEY,
- &size);
- if (ret == -1)
- continue;
- if (read_subvol == -1)
- read_subvol = i;
- if (size.size > max_size.size ||
- (size.file_count + size.dir_count) >
- (max_size.file_count + max_size.dir_count))
- read_subvol = i;
-
- if (size.size > max_size.size)
- max_size.size = size.size;
- if (size.file_count > max_size.file_count)
- max_size.file_count = size.file_count;
- if (size.dir_count > max_size.dir_count)
- max_size.dir_count = size.dir_count;
- }
-
- if (max_size.size == 0 && max_size.file_count == 0 &&
- max_size.dir_count == 0)
- return read_subvol;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1)
- continue;
- if (readable_cnt && !readable[i])
- continue;
- if (!replies[i].xdata)
- continue;
- quota_dict_set_meta (replies[i].xdata, QUOTA_SIZE_KEY,
- &max_size, IA_IFDIR);
- }
-
+ unsigned char *readable = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
+ int i = 0;
+ int ret = 0;
+ quota_meta_t size = {
+ 0,
+ };
+ quota_meta_t max_size = {
+ 0,
+ };
+ int readable_cnt = 0;
+ int read_subvol = -1;
+
+ local = frame->local;
+ priv = this->private;
+ replies = local->replies;
+
+ readable = alloca0(priv->child_count);
+
+ afr_inode_read_subvol_get(local->inode, this, readable, 0, 0);
+
+ readable_cnt = AFR_COUNT(readable, priv->child_count);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ if (readable_cnt && !readable[i])
+ continue;
+ if (!replies[i].xdata)
+ continue;
+ ret = quota_dict_get_meta(replies[i].xdata, QUOTA_SIZE_KEY,
+ SLEN(QUOTA_SIZE_KEY), &size);
+ if (ret == -1)
+ continue;
+ if (read_subvol == -1)
+ read_subvol = i;
+ if (size.size > max_size.size ||
+ (size.file_count + size.dir_count) >
+ (max_size.file_count + max_size.dir_count))
+ read_subvol = i;
+
+ if (size.size > max_size.size)
+ max_size.size = size.size;
+ if (size.file_count > max_size.file_count)
+ max_size.file_count = size.file_count;
+ if (size.dir_count > max_size.dir_count)
+ max_size.dir_count = size.dir_count;
+ }
+
+ if (max_size.size == 0 && max_size.file_count == 0 &&
+ max_size.dir_count == 0)
return read_subvol;
-}
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ if (readable_cnt && !readable[i])
+ continue;
+ if (!replies[i].xdata)
+ continue;
+ quota_dict_set_meta(replies[i].xdata, QUOTA_SIZE_KEY, &max_size,
+ IA_IFDIR);
+ }
+
+ return read_subvol;
+}
/* {{{ access */
int
-afr_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+afr_access_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ if (op_ret < 0) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- AFR_STACK_UNWIND (access, frame, op_ret, op_errno, xdata);
+ AFR_STACK_UNWIND(access, frame, op_ret, op_errno, xdata);
- return 0;
+ return 0;
}
-
int
-afr_access_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_access_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
-
- priv = this->private;
- local = frame->local;
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (access, frame, local->op_ret,
- local->op_errno, 0);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_access_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->access,
- &local->loc, local->cont.access.mask,
- local->xdata_req);
- return 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(access, frame, local->op_ret, local->op_errno, 0);
+ return 0;
+ }
+
+ STACK_WIND_COOKIE(frame, afr_access_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->access, &local->loc,
+ local->cont.access.mask, local->xdata_req);
+ return 0;
}
int
-afr_access (call_frame_t *frame, xlator_t *this, loc_t *loc,
- int mask, dict_t *xdata)
+afr_access(call_frame_t *frame, xlator_t *this, loc_t *loc, int mask,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int op_errno = 0;
+ afr_local_t *local = NULL;
+ int op_errno = 0;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_ACCESS;
- loc_copy (&local->loc, loc);
- local->cont.access.mask = mask;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->op = GF_FOP_ACCESS;
+ loc_copy(&local->loc, loc);
+ local->cont.access.mask = mask;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- afr_read_txn (frame, this, loc->inode, afr_access_wind,
- AFR_METADATA_TRANSACTION);
+ afr_read_txn(frame, this, loc->inode, afr_access_wind,
+ AFR_METADATA_TRANSACTION);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (access, frame, -1, op_errno, NULL);
+ AFR_STACK_UNWIND(access, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
/* }}} */
@@ -191,152 +187,140 @@ out:
/* {{{ stat */
int
-afr_stat_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- struct iatt *buf, dict_t *xdata)
+afr_stat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct iatt *buf, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ if (op_ret < 0) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- AFR_STACK_UNWIND (stat, frame, op_ret, op_errno, buf, xdata);
+ AFR_STACK_UNWIND(stat, frame, op_ret, op_errno, buf, xdata);
- return 0;
+ return 0;
}
-
int
-afr_stat_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_stat_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
-
- priv = this->private;
- local = frame->local;
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (stat, frame, local->op_ret, local->op_errno,
- 0, 0);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_stat_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->stat,
- &local->loc, local->xdata_req);
- return 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(stat, frame, local->op_ret, local->op_errno, 0, 0);
+ return 0;
+ }
+
+ STACK_WIND_COOKIE(
+ frame, afr_stat_cbk, (void *)(long)subvol, priv->children[subvol],
+ priv->children[subvol]->fops->stat, &local->loc, local->xdata_req);
+ return 0;
}
int
-afr_stat (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
+afr_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int op_errno = 0;
+ afr_local_t *local = NULL;
+ int op_errno = 0;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_STAT;
- loc_copy (&local->loc, loc);
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->op = GF_FOP_STAT;
+ loc_copy(&local->loc, loc);
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- afr_read_txn (frame, this, loc->inode, afr_stat_wind,
- AFR_DATA_TRANSACTION);
+ afr_read_txn(frame, this, loc->inode, afr_stat_wind, AFR_DATA_TRANSACTION);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (stat, frame, -1, op_errno, NULL, NULL);
+ AFR_STACK_UNWIND(stat, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
/* }}} */
/* {{{ fstat */
int
-afr_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *buf,
- dict_t *xdata)
+afr_fstat_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct iatt *buf, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ if (op_ret < 0) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- AFR_STACK_UNWIND (fstat, frame, op_ret, op_errno, buf, xdata);
+ AFR_STACK_UNWIND(fstat, frame, op_ret, op_errno, buf, xdata);
- return 0;
+ return 0;
}
-
int
-afr_fstat_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fstat_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
-
- priv = this->private;
- local = frame->local;
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (fstat, frame, local->op_ret, local->op_errno,
- 0, 0);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_fstat_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fstat,
- local->fd, local->xdata_req);
- return 0;
-}
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(fstat, frame, local->op_ret, local->op_errno, 0, 0);
+ return 0;
+ }
+ STACK_WIND_COOKIE(
+ frame, afr_fstat_cbk, (void *)(long)subvol, priv->children[subvol],
+ priv->children[subvol]->fops->fstat, local->fd, local->xdata_req);
+ return 0;
+}
int32_t
-afr_fstat (call_frame_t *frame, xlator_t *this,
- fd_t *fd, dict_t *xdata)
+afr_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int op_errno = 0;
+ afr_local_t *local = NULL;
+ int op_errno = 0;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_FSTAT;
- local->fd = fd_ref (fd);
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->op = GF_FOP_FSTAT;
+ local->fd = fd_ref(fd);
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- afr_read_txn (frame, this, fd->inode, afr_fstat_wind,
- AFR_DATA_TRANSACTION);
+ afr_read_txn(frame, this, fd->inode, afr_fstat_wind, AFR_DATA_TRANSACTION);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (fstat, frame, -1, op_errno, NULL, NULL);
+ AFR_STACK_UNWIND(fstat, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
/* }}} */
@@ -344,1563 +328,1493 @@ out:
/* {{{ readlink */
int
-afr_readlink_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- const char *buf, struct iatt *sbuf, dict_t *xdata)
+afr_readlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, const char *buf,
+ struct iatt *sbuf, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = op_errno;
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- AFR_STACK_UNWIND (readlink, frame, op_ret, op_errno,
- buf, sbuf, xdata);
- return 0;
+ AFR_STACK_UNWIND(readlink, frame, op_ret, op_errno, buf, sbuf, xdata);
+ return 0;
}
int
-afr_readlink_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_readlink_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (readlink, frame, local->op_ret,
- local->op_errno, 0, 0, 0);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_readlink_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->readlink,
- &local->loc, local->cont.readlink.size,
- local->xdata_req);
- return 0;
-}
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ local = frame->local;
+ priv = this->private;
+
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(readlink, frame, local->op_ret, local->op_errno, 0, 0,
+ 0);
+ return 0;
+ }
+
+ STACK_WIND_COOKIE(frame, afr_readlink_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->readlink, &local->loc,
+ local->cont.readlink.size, local->xdata_req);
+ return 0;
+}
int
-afr_readlink (call_frame_t *frame, xlator_t *this,
- loc_t *loc, size_t size, dict_t *xdata)
+afr_readlink(call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size,
+ dict_t *xdata)
{
- afr_local_t * local = NULL;
- int32_t op_errno = 0;
+ afr_local_t *local = NULL;
+ int32_t op_errno = 0;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_READLINK;
- loc_copy (&local->loc, loc);
- local->cont.readlink.size = size;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->op = GF_FOP_READLINK;
+ loc_copy(&local->loc, loc);
+ local->cont.readlink.size = size;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- afr_read_txn (frame, this, loc->inode, afr_readlink_wind,
- AFR_DATA_TRANSACTION);
+ afr_read_txn(frame, this, loc->inode, afr_readlink_wind,
+ AFR_DATA_TRANSACTION);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND(readlink, frame, -1, op_errno, 0, 0, 0);
+ AFR_STACK_UNWIND(readlink, frame, -1, op_errno, 0, 0, 0);
- return 0;
+ return 0;
}
-
/* }}} */
/* {{{ getxattr */
struct _xattr_key {
- char *key;
- struct list_head list;
+ char *key;
+ struct list_head list;
};
-
int
-__gather_xattr_keys (dict_t *dict, char *key, data_t *value,
- void *data)
+__gather_xattr_keys(dict_t *dict, char *key, data_t *value, void *data)
{
- struct list_head * list = data;
- struct _xattr_key * xkey = NULL;
-
- if (!strncmp (key, AFR_XATTR_PREFIX,
- strlen (AFR_XATTR_PREFIX))) {
+ struct list_head *list = data;
+ struct _xattr_key *xkey = NULL;
- xkey = GF_CALLOC (1, sizeof (*xkey), gf_afr_mt_xattr_key);
- if (!xkey)
- return -1;
+ if (!strncmp(key, AFR_XATTR_PREFIX, SLEN(AFR_XATTR_PREFIX))) {
+ xkey = GF_MALLOC(sizeof(*xkey), gf_afr_mt_xattr_key);
+ if (!xkey)
+ return -1;
- xkey->key = key;
- INIT_LIST_HEAD (&xkey->list);
+ xkey->key = key;
+ INIT_LIST_HEAD(&xkey->list);
- list_add_tail (&xkey->list, list);
- }
- return 0;
+ list_add_tail(&xkey->list, list);
+ }
+ return 0;
}
-
void
-afr_filter_xattrs (dict_t *dict)
+afr_filter_xattrs(dict_t *dict)
{
- struct list_head keys = {0,};
- struct _xattr_key *key = NULL;
- struct _xattr_key *tmp = NULL;
+ struct list_head keys = {
+ 0,
+ };
+ struct _xattr_key *key = NULL;
+ struct _xattr_key *tmp = NULL;
- INIT_LIST_HEAD (&keys);
+ INIT_LIST_HEAD(&keys);
- dict_foreach (dict, __gather_xattr_keys,
- (void *) &keys);
+ dict_foreach(dict, __gather_xattr_keys, (void *)&keys);
- list_for_each_entry_safe (key, tmp, &keys, list) {
- dict_del (dict, key->key);
+ list_for_each_entry_safe(key, tmp, &keys, list)
+ {
+ dict_del(dict, key->key);
- list_del_init (&key->list);
+ list_del_init(&key->list);
- GF_FREE (key);
- }
+ GF_FREE(key);
+ }
}
-static
-gf_boolean_t
-afr_getxattr_ignorable_errnos (int32_t op_errno)
+static gf_boolean_t
+afr_getxattr_ignorable_errnos(int32_t op_errno)
{
- if (op_errno == ENODATA || op_errno == ENOTSUP || op_errno == ERANGE ||
- op_errno == ENAMETOOLONG)
- return _gf_true;
+ if (op_errno == ENODATA || op_errno == ENOTSUP || op_errno == ERANGE ||
+ op_errno == ENAMETOOLONG)
+ return _gf_true;
- return _gf_false;
+ return _gf_false;
}
int
-afr_getxattr_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0 && !afr_getxattr_ignorable_errnos(op_errno)) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ if (op_ret < 0 && !afr_getxattr_ignorable_errnos(op_errno)) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- if (dict)
- afr_filter_xattrs (dict);
+ if (dict)
+ afr_filter_xattrs(dict);
- AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, dict, xdata);
+ AFR_STACK_UNWIND(getxattr, frame, op_ret, op_errno, dict, xdata);
- return 0;
+ return 0;
}
-
int
-afr_getxattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_getxattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (getxattr, frame, local->op_ret,
- local->op_errno, NULL, NULL);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_getxattr_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->getxattr,
- &local->loc, local->cont.getxattr.name,
- local->xdata_req);
- return 0;
-}
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ local = frame->local;
+ priv = this->private;
+
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(getxattr, frame, local->op_ret, local->op_errno, NULL,
+ NULL);
+ return 0;
+ }
+
+ STACK_WIND_COOKIE(frame, afr_getxattr_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->getxattr, &local->loc,
+ local->cont.getxattr.name, local->xdata_req);
+ return 0;
+}
int32_t
-afr_getxattr_unwind (call_frame_t *frame, int op_ret, int op_errno,
- dict_t *dict, dict_t *xdata)
+afr_getxattr_unwind(call_frame_t *frame, int op_ret, int op_errno, dict_t *dict,
+ dict_t *xdata)
{
- AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, dict, xdata);
- return 0;
+ AFR_STACK_UNWIND(getxattr, frame, op_ret, op_errno, dict, xdata);
+ return 0;
}
int32_t
-afr_fgetxattr_clrlk_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_fgetxattr_clrlk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- xlator_t **children = NULL;
- dict_t *xattr = NULL;
- char *tmp_report = NULL;
- char lk_summary[1024] = {0,};
- int serz_len = 0;
- int32_t callcnt = 0;
- long int cky = 0;
- int ret = 0;
-
- priv = this->private;
- children = priv->children;
-
- local = frame->local;
- cky = (long) cookie;
-
- LOCK (&frame->lock);
- {
- callcnt = --local->call_count;
- if (op_ret == -1)
- local->replies[cky].op_errno = op_errno;
-
- if (!local->dict)
- local->dict = dict_new ();
- if (local->dict) {
- ret = dict_get_str (dict, local->cont.getxattr.name,
- &tmp_report);
- if (ret)
- goto unlock;
- ret = dict_set_dynstr (local->dict,
- children[cky]->name,
- gf_strdup (tmp_report));
- if (ret)
- goto unlock;
- }
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ xlator_t **children = NULL;
+ dict_t *xattr = NULL;
+ char *tmp_report = NULL;
+ char lk_summary[1024] = {
+ 0,
+ };
+ int serz_len = 0;
+ int32_t callcnt = 0;
+ long int cky = 0;
+ int ret = 0;
+ int keylen = 0;
+ int children_keylen = 0;
+
+ priv = this->private;
+ children = priv->children;
+
+ local = frame->local;
+ cky = (long)cookie;
+ keylen = strlen(local->cont.getxattr.name);
+ children_keylen = strlen(children[cky]->name);
+
+ LOCK(&frame->lock);
+ {
+ callcnt = --local->call_count;
+ if (op_ret == -1)
+ local->replies[cky].op_errno = op_errno;
+
+ if (!local->dict)
+ local->dict = dict_new();
+ if (local->dict) {
+ ret = dict_get_strn(dict, local->cont.getxattr.name, keylen,
+ &tmp_report);
+ if (ret)
+ goto unlock;
+ ret = dict_set_dynstrn(local->dict, children[cky]->name,
+ children_keylen, gf_strdup(tmp_report));
+ if (ret)
+ goto unlock;
}
+ }
unlock:
- UNLOCK (&frame->lock);
-
- if (!callcnt) {
- xattr = dict_new ();
- if (!xattr) {
- op_ret = -1;
- op_errno = ENOMEM;
- goto unwind;
- }
- ret = dict_serialize_value_with_delim (local->dict,
- lk_summary,
- &serz_len, '\n');
- if (ret) {
- op_ret = -1;
- op_errno = ENOMEM;
- goto unwind;
- }
- if (serz_len == -1)
- snprintf (lk_summary, sizeof (lk_summary),
- "No locks cleared.");
- ret = dict_set_dynstr (xattr, local->cont.getxattr.name,
- gf_strdup (lk_summary));
- if (ret) {
- op_ret = -1;
- op_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_ERROR,
- ENOMEM, AFR_MSG_DICT_SET_FAILED,
- "Error setting dictionary");
- goto unwind;
- }
+ UNLOCK(&frame->lock);
+
+ if (!callcnt) {
+ xattr = dict_new();
+ if (!xattr) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+ ret = dict_serialize_value_with_delim(local->dict, lk_summary,
+ &serz_len, '\n');
+ if (ret) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+ if (serz_len == -1)
+ snprintf(lk_summary, sizeof(lk_summary), "No locks cleared.");
+ ret = dict_set_dynstrn(xattr, local->cont.getxattr.name, keylen,
+ gf_strdup(lk_summary));
+ if (ret) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_DICT_SET_FAILED,
+ "Error setting dictionary");
+ goto unwind;
+ }
- op_errno = afr_final_errno (local, priv);
+ op_errno = afr_final_errno(local, priv);
-unwind:
- AFR_STACK_UNWIND (fgetxattr, frame, op_ret, op_errno, xattr,
- xdata);
- if (xattr)
- dict_unref (xattr);
- }
+ unwind:
+ AFR_STACK_UNWIND(fgetxattr, frame, op_ret, op_errno, xattr, xdata);
+ if (xattr)
+ dict_unref(xattr);
+ }
- return ret;
+ return ret;
}
int32_t
-afr_getxattr_clrlk_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_getxattr_clrlk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- xlator_t **children = NULL;
- dict_t *xattr = NULL;
- char *tmp_report = NULL;
- char lk_summary[1024] = {0,};
- int serz_len = 0;
- int32_t callcnt = 0;
- long int cky = 0;
- int ret = 0;
-
- priv = this->private;
- children = priv->children;
-
- local = frame->local;
- cky = (long) cookie;
-
- LOCK (&frame->lock);
- {
- callcnt = --local->call_count;
- if (op_ret == -1)
- local->replies[cky].op_errno = op_errno;
-
- if (!local->dict)
- local->dict = dict_new ();
- if (local->dict) {
- ret = dict_get_str (dict, local->cont.getxattr.name,
- &tmp_report);
- if (ret)
- goto unlock;
- ret = dict_set_dynstr (local->dict,
- children[cky]->name,
- gf_strdup (tmp_report));
- if (ret)
- goto unlock;
- }
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ xlator_t **children = NULL;
+ dict_t *xattr = NULL;
+ char *tmp_report = NULL;
+ char lk_summary[1024] = {
+ 0,
+ };
+ int serz_len = 0;
+ int32_t callcnt = 0;
+ long int cky = 0;
+ int ret = 0;
+ int keylen = 0;
+ int children_keylen = 0;
+
+ priv = this->private;
+ children = priv->children;
+
+ local = frame->local;
+ cky = (long)cookie;
+
+ keylen = strlen(local->cont.getxattr.name);
+ children_keylen = strlen(children[cky]->name);
+
+ LOCK(&frame->lock);
+ {
+ callcnt = --local->call_count;
+ if (op_ret == -1)
+ local->replies[cky].op_errno = op_errno;
+
+ if (!local->dict)
+ local->dict = dict_new();
+ if (local->dict) {
+ ret = dict_get_strn(dict, local->cont.getxattr.name, keylen,
+ &tmp_report);
+ if (ret)
+ goto unlock;
+ ret = dict_set_dynstrn(local->dict, children[cky]->name,
+ children_keylen, gf_strdup(tmp_report));
+ if (ret)
+ goto unlock;
}
+ }
unlock:
- UNLOCK (&frame->lock);
-
- if (!callcnt) {
- xattr = dict_new ();
- if (!xattr) {
- op_ret = -1;
- op_errno = ENOMEM;
- goto unwind;
- }
- ret = dict_serialize_value_with_delim (local->dict,
- lk_summary,
- &serz_len, '\n');
- if (ret) {
- op_ret = -1;
- op_errno = ENOMEM;
- goto unwind;
- }
- if (serz_len == -1)
- snprintf (lk_summary, sizeof (lk_summary),
- "No locks cleared.");
- ret = dict_set_dynstr (xattr, local->cont.getxattr.name,
- gf_strdup (lk_summary));
- if (ret) {
- op_ret = -1;
- op_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_ERROR,
- ENOMEM, AFR_MSG_DICT_SET_FAILED,
- "Error setting dictionary");
- goto unwind;
- }
+ UNLOCK(&frame->lock);
+
+ if (!callcnt) {
+ xattr = dict_new();
+ if (!xattr) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+ ret = dict_serialize_value_with_delim(local->dict, lk_summary,
+ &serz_len, '\n');
+ if (ret) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+ if (serz_len == -1)
+ snprintf(lk_summary, sizeof(lk_summary), "No locks cleared.");
+ ret = dict_set_dynstrn(xattr, local->cont.getxattr.name, keylen,
+ gf_strdup(lk_summary));
+ if (ret) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_DICT_SET_FAILED,
+ "Error setting dictionary");
+ goto unwind;
+ }
- op_errno = afr_final_errno (local, priv);
+ op_errno = afr_final_errno(local, priv);
-unwind:
- AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, xattr, xdata);
+ unwind:
+ AFR_STACK_UNWIND(getxattr, frame, op_ret, op_errno, xattr, xdata);
- if (xattr)
- dict_unref (xattr);
- }
+ if (xattr)
+ dict_unref(xattr);
+ }
- return ret;
+ return ret;
}
/**
* node-uuid cbk uses next child querying mechanism
*/
int32_t
-afr_getxattr_node_uuid_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_getxattr_node_uuid_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- xlator_t **children = NULL;
- int unwind = 1;
- int curr_call_child = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ xlator_t **children = NULL;
+ int unwind = 1;
+ int curr_call_child = 0;
- priv = this->private;
- children = priv->children;
+ priv = this->private;
+ children = priv->children;
- local = frame->local;
+ local = frame->local;
- if (op_ret == -1) { /** query the _next_ child */
-
- /**
- * _current_ becomes _next_
- * If done with all children and yet no success; give up !
- */
- curr_call_child = (int) ((long)cookie);
- if (++curr_call_child == priv->child_count)
- goto unwind;
-
- gf_msg_debug (this->name, op_errno,
- "op_ret (-1): Re-querying afr-child (%d/%d)",
- curr_call_child, priv->child_count);
-
- unwind = 0;
- STACK_WIND_COOKIE (frame, afr_getxattr_node_uuid_cbk,
- (void *) (long) curr_call_child,
- children[curr_call_child],
- children[curr_call_child]->fops->getxattr,
- &local->loc,
- local->cont.getxattr.name,
- local->xdata_req);
- }
+ if (op_ret == -1) { /** query the _next_ child */
- unwind:
- if (unwind)
- AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, dict,
- xdata);
+ /**
+ * _current_ becomes _next_
+ * If done with all children and yet no success; give up !
+ */
+ curr_call_child = (int)((long)cookie);
+ if (++curr_call_child == priv->child_count)
+ goto unwind;
+
+ gf_msg_debug(this->name, op_errno,
+ "op_ret (-1): Re-querying afr-child (%d/%d)",
+ curr_call_child, priv->child_count);
+
+ unwind = 0;
+ STACK_WIND_COOKIE(
+ frame, afr_getxattr_node_uuid_cbk, (void *)(long)curr_call_child,
+ children[curr_call_child],
+ children[curr_call_child]->fops->getxattr, &local->loc,
+ local->cont.getxattr.name, local->xdata_req);
+ }
- return 0;
+unwind:
+ if (unwind)
+ AFR_STACK_UNWIND(getxattr, frame, op_ret, op_errno, dict, xdata);
+
+ return 0;
}
/**
* list-node-uuids cbk returns the list of node_uuids for the subvolume.
*/
int32_t
-afr_getxattr_list_node_uuids_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *dict, dict_t *xdata)
+afr_getxattr_list_node_uuids_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *dict, dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int32_t callcnt = 0;
- int ret = 0;
- char *xattr_serz = NULL;
- long cky = 0;
- int32_t tlen = 0;
-
- local = frame->local;
- priv = this->private;
- cky = (long) cookie;
-
- LOCK (&frame->lock);
- {
- callcnt = --local->call_count;
- local->replies[cky].valid = 1;
- local->replies[cky].op_ret = op_ret;
- local->replies[cky].op_errno = op_errno;
-
- if (op_ret < 0)
- goto unlock;
-
- local->op_ret = 0;
-
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- local->replies[cky].xattr = dict_ref (dict);
- }
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int32_t callcnt = 0;
+ int ret = 0;
+ char *xattr_serz = NULL;
+ long cky = 0;
+ int32_t tlen = 0;
+
+ local = frame->local;
+ priv = this->private;
+ cky = (long)cookie;
+
+ LOCK(&frame->lock);
+ {
+ callcnt = --local->call_count;
+ local->replies[cky].valid = 1;
+ local->replies[cky].op_ret = op_ret;
+ local->replies[cky].op_errno = op_errno;
+
+ if (op_ret < 0)
+ goto unlock;
+
+ local->op_ret = 0;
+
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
+ local->replies[cky].xattr = dict_ref(dict);
+ }
unlock:
- UNLOCK (&frame->lock);
-
- if (!callcnt) {
+ UNLOCK(&frame->lock);
- if (local->op_ret != 0) {
- /* All bricks gave an error. */
- local->op_errno = afr_final_errno (local, priv);
- goto unwind;
- }
+ if (!callcnt) {
+ if (local->op_ret != 0) {
+ /* All bricks gave an error. */
+ local->op_errno = afr_final_errno(local, priv);
+ goto unwind;
+ }
- /*Since we store the UUID0_STR as node uuid for down bricks and
- *for non zero op_ret, assigning length to priv->child_count
- *number of uuids*/
- local->cont.getxattr.xattr_len = (strlen (UUID0_STR) + 2) *
- priv->child_count;
-
- if (!local->dict)
- local->dict = dict_new ();
- if (!local->dict) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unwind;
- }
+ /*Since we store the UUID0_STR as node uuid for down bricks and
+ *for non zero op_ret, assigning length to priv->child_count
+ *number of uuids*/
+ local->cont.getxattr.xattr_len = (SLEN(UUID0_STR) + 2) *
+ priv->child_count;
+
+ if (!local->dict)
+ local->dict = dict_new();
+ if (!local->dict) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unwind;
+ }
- xattr_serz = GF_CALLOC (local->cont.getxattr.xattr_len,
- sizeof (char), gf_common_mt_char);
+ xattr_serz = GF_CALLOC(local->cont.getxattr.xattr_len, sizeof(char),
+ gf_common_mt_char);
- if (!xattr_serz) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unwind;
- }
-
- ret = afr_serialize_xattrs_with_delimiter (frame, this,
- xattr_serz,
- UUID0_STR, &tlen,
- ' ');
- if (ret) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unwind;
- }
- ret = dict_set_dynstr (local->dict,
- GF_XATTR_LIST_NODE_UUIDS_KEY,
- xattr_serz);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Cannot set node_uuid key in dict");
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- } else {
- local->op_ret = local->cont.getxattr.xattr_len - 1;
- local->op_errno = 0;
- }
+ if (!xattr_serz) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unwind;
+ }
-unwind:
- AFR_STACK_UNWIND (getxattr, frame, local->op_ret,
- local->op_errno, local->dict,
- local->xdata_rsp);
+ ret = afr_serialize_xattrs_with_delimiter(frame, this, xattr_serz,
+ UUID0_STR, &tlen, ' ');
+ if (ret) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ GF_FREE(xattr_serz);
+ goto unwind;
+ }
+ ret = dict_set_dynstr_sizen(local->dict, GF_XATTR_LIST_NODE_UUIDS_KEY,
+ xattr_serz);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Cannot set node_uuid key in dict");
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ if (ret == -EINVAL)
+ GF_FREE(xattr_serz);
+ } else {
+ local->op_ret = local->cont.getxattr.xattr_len - 1;
+ local->op_errno = 0;
}
- return ret;
-}
+ unwind:
+ AFR_STACK_UNWIND(getxattr, frame, local->op_ret, local->op_errno,
+ local->dict, local->xdata_rsp);
+ }
+ return ret;
+}
int32_t
-afr_getxattr_quota_size_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_getxattr_quota_size_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- int idx = (long) cookie;
- int call_count = 0;
- afr_local_t *local = frame->local;
- int read_subvol = -1;
-
- local->replies[idx].valid = 1;
- local->replies[idx].op_ret = op_ret;
- local->replies[idx].op_errno = op_errno;
- if (dict)
- local->replies[idx].xdata = dict_ref (dict);
- call_count = afr_frame_return (frame);
- if (call_count == 0) {
- local->inode = inode_ref (local->loc.inode);
- read_subvol = afr_handle_quota_size (frame, this);
- if (read_subvol != -1) {
- op_ret = local->replies[read_subvol].op_ret;
- op_errno = local->replies[read_subvol].op_errno;
- dict = local->replies[read_subvol].xdata;
- }
- AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, dict,
- xdata);
+ int idx = (long)cookie;
+ int call_count = 0;
+ afr_local_t *local = frame->local;
+ int read_subvol = -1;
+
+ local->replies[idx].valid = 1;
+ local->replies[idx].op_ret = op_ret;
+ local->replies[idx].op_errno = op_errno;
+ if (dict)
+ local->replies[idx].xdata = dict_ref(dict);
+ call_count = afr_frame_return(frame);
+ if (call_count == 0) {
+ local->inode = inode_ref(local->loc.inode);
+ read_subvol = afr_handle_quota_size(frame, this);
+ if (read_subvol != -1) {
+ op_ret = local->replies[read_subvol].op_ret;
+ op_errno = local->replies[read_subvol].op_errno;
+ dict = local->replies[read_subvol].xdata;
}
+ AFR_STACK_UNWIND(getxattr, frame, op_ret, op_errno, dict, xdata);
+ }
- return 0;
+ return 0;
}
int32_t
-afr_getxattr_lockinfo_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_getxattr_lockinfo_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- int call_cnt = 0, len = 0;
- char *lockinfo_buf = NULL;
- dict_t *lockinfo = NULL, *newdict = NULL;
- afr_local_t *local = NULL;
+ int call_cnt = 0, len = 0;
+ char *lockinfo_buf = NULL;
+ dict_t *lockinfo = NULL, *newdict = NULL;
+ afr_local_t *local = NULL;
- LOCK (&frame->lock);
- {
- local = frame->local;
-
- call_cnt = --local->call_count;
+ LOCK(&frame->lock);
+ {
+ local = frame->local;
- if ((op_ret < 0) || (!dict && !xdata)) {
- goto unlock;
- }
+ call_cnt = --local->call_count;
- if (xdata) {
- if (!local->xdata_rsp) {
- local->xdata_rsp = dict_new ();
- if (!local->xdata_rsp) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unlock;
- }
- }
- }
+ if ((op_ret < 0) || (!dict && !xdata)) {
+ goto unlock;
+ }
- if (!dict) {
- goto unlock;
+ if (xdata) {
+ if (!local->xdata_rsp) {
+ local->xdata_rsp = dict_new();
+ if (!local->xdata_rsp) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unlock;
}
+ }
+ }
- op_ret = dict_get_ptr_and_len (dict, GF_XATTR_LOCKINFO_KEY,
- (void **)&lockinfo_buf, &len);
+ if (!dict) {
+ goto unlock;
+ }
- if (!lockinfo_buf) {
- goto unlock;
- }
+ op_ret = dict_get_ptr_and_len(dict, GF_XATTR_LOCKINFO_KEY,
+ (void **)&lockinfo_buf, &len);
- if (!local->dict) {
- local->dict = dict_new ();
- if (!local->dict) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unlock;
- }
- }
- }
-unlock:
- UNLOCK (&frame->lock);
-
- if (lockinfo_buf != NULL) {
- lockinfo = dict_new ();
- if (lockinfo == NULL) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- } else {
- op_ret = dict_unserialize (lockinfo_buf, len,
- &lockinfo);
-
- if (lockinfo && local->dict) {
- dict_copy (lockinfo, local->dict);
- }
- }
+ if (!lockinfo_buf) {
+ goto unlock;
}
- if (xdata && local->xdata_rsp) {
- dict_copy (xdata, local->xdata_rsp);
+ if (!local->dict) {
+ local->dict = dict_new();
+ if (!local->dict) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unlock;
+ }
}
+ }
+unlock:
+ UNLOCK(&frame->lock);
- if (!call_cnt) {
- newdict = dict_new ();
- if (!newdict) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unwind;
- }
-
- len = dict_serialized_length (local->dict);
- if (len <= 0) {
- goto unwind;
- }
-
- lockinfo_buf = GF_CALLOC (1, len, gf_common_mt_char);
- if (!lockinfo_buf) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unwind;
- }
+ if (lockinfo_buf != NULL) {
+ lockinfo = dict_new();
+ if (lockinfo == NULL) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ } else {
+ op_ret = dict_unserialize(lockinfo_buf, len, &lockinfo);
- op_ret = dict_serialize (local->dict, lockinfo_buf);
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = -op_ret;
- }
+ if (lockinfo && local->dict) {
+ dict_copy(lockinfo, local->dict);
+ }
+ }
+ }
+
+ if (xdata && local->xdata_rsp) {
+ dict_copy(xdata, local->xdata_rsp);
+ }
+
+ if (!call_cnt) {
+ newdict = dict_new();
+ if (!newdict) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unwind;
+ }
- op_ret = dict_set_dynptr (newdict, GF_XATTR_LOCKINFO_KEY,
- (void *)lockinfo_buf, len);
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = -op_ret;
- goto unwind;
- }
+ op_ret = dict_allocate_and_serialize(
+ local->dict, (char **)&lockinfo_buf, (unsigned int *)&len);
+ if (op_ret != 0) {
+ local->op_ret = -1;
+ goto unwind;
+ }
- unwind:
- AFR_STACK_UNWIND (getxattr, frame, op_ret,
- op_errno, newdict,
- local->xdata_rsp);
+ op_ret = dict_set_dynptr(newdict, GF_XATTR_LOCKINFO_KEY,
+ (void *)lockinfo_buf, len);
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = -op_ret;
+ goto unwind;
}
- dict_unref (lockinfo);
+ unwind:
+ AFR_STACK_UNWIND(getxattr, frame, op_ret, op_errno, newdict,
+ local->xdata_rsp);
+ }
- return 0;
+ dict_unref(lockinfo);
+
+ return 0;
}
int32_t
-afr_fgetxattr_lockinfo_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_fgetxattr_lockinfo_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- int call_cnt = 0, len = 0;
- char *lockinfo_buf = NULL;
- dict_t *lockinfo = NULL, *newdict = NULL;
- afr_local_t *local = NULL;
+ int call_cnt = 0, len = 0;
+ char *lockinfo_buf = NULL;
+ dict_t *lockinfo = NULL, *newdict = NULL;
+ afr_local_t *local = NULL;
- LOCK (&frame->lock);
- {
- local = frame->local;
-
- call_cnt = --local->call_count;
+ LOCK(&frame->lock);
+ {
+ local = frame->local;
- if ((op_ret < 0) || (!dict && !xdata)) {
- goto unlock;
- }
+ call_cnt = --local->call_count;
- if (xdata) {
- if (!local->xdata_rsp) {
- local->xdata_rsp = dict_new ();
- if (!local->xdata_rsp) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unlock;
- }
- }
- }
+ if ((op_ret < 0) || (!dict && !xdata)) {
+ goto unlock;
+ }
- if (!dict) {
- goto unlock;
+ if (xdata) {
+ if (!local->xdata_rsp) {
+ local->xdata_rsp = dict_new();
+ if (!local->xdata_rsp) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unlock;
}
+ }
+ }
- op_ret = dict_get_ptr_and_len (dict, GF_XATTR_LOCKINFO_KEY,
- (void **)&lockinfo_buf, &len);
+ if (!dict) {
+ goto unlock;
+ }
- if (!lockinfo_buf) {
- goto unlock;
- }
+ op_ret = dict_get_ptr_and_len(dict, GF_XATTR_LOCKINFO_KEY,
+ (void **)&lockinfo_buf, &len);
- if (!local->dict) {
- local->dict = dict_new ();
- if (!local->dict) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unlock;
- }
- }
- }
-unlock:
- UNLOCK (&frame->lock);
-
- if (lockinfo_buf != NULL) {
- lockinfo = dict_new ();
- if (lockinfo == NULL) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- } else {
- op_ret = dict_unserialize (lockinfo_buf, len,
- &lockinfo);
-
- if (lockinfo && local->dict) {
- dict_copy (lockinfo, local->dict);
- }
- }
+ if (!lockinfo_buf) {
+ goto unlock;
}
- if (xdata && local->xdata_rsp) {
- dict_copy (xdata, local->xdata_rsp);
+ if (!local->dict) {
+ local->dict = dict_new();
+ if (!local->dict) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unlock;
+ }
}
+ }
+unlock:
+ UNLOCK(&frame->lock);
- if (!call_cnt) {
- newdict = dict_new ();
- if (!newdict) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unwind;
- }
-
- len = dict_serialized_length (local->dict);
- if (len <= 0) {
- goto unwind;
- }
-
- lockinfo_buf = GF_CALLOC (1, len, gf_common_mt_char);
- if (!lockinfo_buf) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto unwind;
- }
+ if (lockinfo_buf != NULL) {
+ lockinfo = dict_new();
+ if (lockinfo == NULL) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ } else {
+ op_ret = dict_unserialize(lockinfo_buf, len, &lockinfo);
- op_ret = dict_serialize (local->dict, lockinfo_buf);
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = -op_ret;
- }
+ if (lockinfo && local->dict) {
+ dict_copy(lockinfo, local->dict);
+ }
+ }
+ }
+
+ if (xdata && local->xdata_rsp) {
+ dict_copy(xdata, local->xdata_rsp);
+ }
+
+ if (!call_cnt) {
+ newdict = dict_new();
+ if (!newdict) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto unwind;
+ }
- op_ret = dict_set_dynptr (newdict, GF_XATTR_LOCKINFO_KEY,
- (void *)lockinfo_buf, len);
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = -op_ret;
- goto unwind;
- }
+ op_ret = dict_allocate_and_serialize(
+ local->dict, (char **)&lockinfo_buf, (unsigned int *)&len);
+ if (op_ret != 0) {
+ local->op_ret = -1;
+ goto unwind;
+ }
- unwind:
- AFR_STACK_UNWIND (fgetxattr, frame, op_ret,
- op_errno, newdict,
- local->xdata_rsp);
+ op_ret = dict_set_dynptr(newdict, GF_XATTR_LOCKINFO_KEY,
+ (void *)lockinfo_buf, len);
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = -op_ret;
+ goto unwind;
}
- dict_unref (lockinfo);
+ unwind:
+ AFR_STACK_UNWIND(fgetxattr, frame, op_ret, op_errno, newdict,
+ local->xdata_rsp);
+ }
- return 0;
+ dict_unref(lockinfo);
+
+ return 0;
}
int32_t
-afr_fgetxattr_pathinfo_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_fgetxattr_pathinfo_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int32_t callcnt = 0;
- int ret = 0;
- char *xattr = NULL;
- char *xattr_serz = NULL;
- char xattr_cky[1024] = {0,};
- dict_t *nxattr = NULL;
- long cky = 0;
- int32_t padding = 0;
- int32_t tlen = 0;
-
- if (!frame || !frame->local || !this) {
- gf_msg ("", GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_ARG, "possible NULL deref");
- goto out;
+ afr_local_t *local = NULL;
+ int32_t callcnt = 0;
+ int ret = 0;
+ char *xattr = NULL;
+ char *xattr_serz = NULL;
+ int keylen = 0;
+ char xattr_cky[1024] = {
+ 0,
+ };
+ int xattr_cky_len = 0;
+ dict_t *nxattr = NULL;
+ long cky = 0;
+ int32_t padding = 0;
+ int32_t tlen = 0;
+
+ if (!frame || !frame->local || !this) {
+ gf_msg("", GF_LOG_ERROR, 0, AFR_MSG_INVALID_ARG, "possible NULL deref");
+ goto out;
+ }
+
+ local = frame->local;
+ cky = (long)cookie;
+ keylen = strlen(local->cont.getxattr.name);
+ xattr_cky_len = snprintf(xattr_cky, sizeof(xattr_cky), "%s-%ld",
+ local->cont.getxattr.name, cky);
+ LOCK(&frame->lock);
+ {
+ callcnt = --local->call_count;
+
+ if (op_ret < 0) {
+ local->op_errno = op_errno;
+ } else {
+ local->op_ret = op_ret;
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
}
- local = frame->local;
- cky = (long) cookie;
-
- LOCK (&frame->lock);
- {
- callcnt = --local->call_count;
-
- if (op_ret < 0) {
- local->op_errno = op_errno;
- } else {
- local->op_ret = op_ret;
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- }
+ if (!dict || (op_ret < 0))
+ goto unlock;
- if (!dict || (op_ret < 0))
- goto unlock;
-
- if (!local->dict)
- local->dict = dict_new ();
-
- if (local->dict) {
- ret = dict_get_str (dict,
- local->cont.getxattr.name,
- &xattr);
- if (ret)
- goto unlock;
-
- xattr = gf_strdup (xattr);
-
- (void)snprintf (xattr_cky, 1024, "%s-%ld",
- local->cont.getxattr.name, cky);
- ret = dict_set_dynstr (local->dict,
- xattr_cky, xattr);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Cannot set xattr cookie key");
- goto unlock;
- }
-
- local->cont.getxattr.xattr_len
- += strlen (xattr) + 1;
- }
+ if (!local->dict) {
+ local->dict = dict_new();
+ if (!local->dict)
+ goto unlock;
+ }
+ ret = dict_get_strn(dict, local->cont.getxattr.name, keylen, &xattr);
+ if (ret)
+ goto unlock;
+
+ xattr = gf_strdup(xattr);
+
+ ret = dict_set_dynstrn(local->dict, xattr_cky, xattr_cky_len, xattr);
+ if (ret) {
+ UNLOCK(&frame->lock);
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Cannot set xattr cookie key");
+ goto post_unlock;
}
-unlock:
- UNLOCK (&frame->lock);
-
- if (!callcnt) {
- if (!local->cont.getxattr.xattr_len)
- goto unwind;
-
- nxattr = dict_new ();
- if (!nxattr)
- goto unwind;
-
- /* extra bytes for decorations (brackets and <>'s) */
- padding += strlen (this->name)
- + strlen (AFR_PATHINFO_HEADER) + 4;
- local->cont.getxattr.xattr_len += (padding + 2);
-
- xattr_serz = GF_CALLOC (local->cont.getxattr.xattr_len,
- sizeof (char), gf_common_mt_char);
-
- if (!xattr_serz)
- goto unwind;
-
- /* the xlator info */
- (void) sprintf (xattr_serz, "(<"AFR_PATHINFO_HEADER"%s> ",
- this->name);
-
- /* actual series of pathinfo */
- ret = dict_serialize_value_with_delim (local->dict,
- xattr_serz
- + strlen (xattr_serz),
- &tlen, ' ');
- if (ret) {
- goto unwind;
- }
- /* closing part */
- *(xattr_serz + padding + tlen) = ')';
- *(xattr_serz + padding + tlen + 1) = '\0';
+ local->cont.getxattr.xattr_len += strlen(xattr) + 1;
+ }
+unlock:
+ UNLOCK(&frame->lock);
+post_unlock:
+ if (!callcnt) {
+ if (!local->cont.getxattr.xattr_len)
+ goto unwind;
+
+ nxattr = dict_new();
+ if (!nxattr)
+ goto unwind;
+
+ /* extra bytes for decorations (brackets and <>'s) */
+ padding += strlen(this->name) + SLEN(AFR_PATHINFO_HEADER) + 4;
+ local->cont.getxattr.xattr_len += (padding + 2);
+
+ xattr_serz = GF_MALLOC(local->cont.getxattr.xattr_len,
+ gf_common_mt_char);
+
+ if (!xattr_serz)
+ goto unwind;
+
+ /* the xlator info */
+ int xattr_serz_len = sprintf(
+ xattr_serz, "(<" AFR_PATHINFO_HEADER "%s> ", this->name);
+
+ /* actual series of pathinfo */
+ ret = dict_serialize_value_with_delim(
+ local->dict, xattr_serz + xattr_serz_len, &tlen, ' ');
+ if (ret) {
+ GF_FREE(xattr_serz);
+ goto unwind;
+ }
- ret = dict_set_dynstr (nxattr, local->cont.getxattr.name,
- xattr_serz);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Cannot set pathinfo key in dict");
+ /* closing part */
+ *(xattr_serz + padding + tlen) = ')';
+ *(xattr_serz + padding + tlen + 1) = '\0';
+
+ ret = dict_set_dynstrn(nxattr, local->cont.getxattr.name, keylen,
+ xattr_serz);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Cannot set pathinfo key in dict");
+ if (ret == -EINVAL)
+ GF_FREE(xattr_serz);
+ }
- unwind:
- AFR_STACK_UNWIND (fgetxattr, frame, local->op_ret,
- local->op_errno, nxattr, local->xdata_rsp);
+ unwind:
+ AFR_STACK_UNWIND(fgetxattr, frame, local->op_ret, local->op_errno,
+ nxattr, local->xdata_rsp);
- if (nxattr)
- dict_unref (nxattr);
- }
+ if (nxattr)
+ dict_unref(nxattr);
+ }
out:
- return ret;
+ return ret;
}
int32_t
-afr_getxattr_pathinfo_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_getxattr_pathinfo_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int32_t callcnt = 0;
- int ret = 0;
- char *xattr = NULL;
- char *xattr_serz = NULL;
- char xattr_cky[1024] = {0,};
- dict_t *nxattr = NULL;
- long cky = 0;
- int32_t padding = 0;
- int32_t tlen = 0;
-
- if (!frame || !frame->local || !this) {
- gf_msg ("", GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_ARG, "possible NULL deref");
- goto out;
- }
-
- local = frame->local;
- cky = (long) cookie;
-
- LOCK (&frame->lock);
- {
- callcnt = --local->call_count;
-
- if (op_ret < 0) {
- local->op_errno = op_errno;
- } else {
- local->op_ret = op_ret;
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- }
-
- if (!dict || (op_ret < 0))
- goto unlock;
-
- if (!local->dict)
- local->dict = dict_new ();
-
- if (local->dict) {
- ret = dict_get_str (dict,
- local->cont.getxattr.name,
- &xattr);
- if (ret)
- goto unlock;
-
- xattr = gf_strdup (xattr);
-
- (void)snprintf (xattr_cky, 1024, "%s-%ld",
- local->cont.getxattr.name, cky);
- ret = dict_set_dynstr (local->dict,
- xattr_cky, xattr);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret,
- AFR_MSG_DICT_SET_FAILED,
- "Cannot set xattr "
- "cookie key");
- goto unlock;
- }
-
- local->cont.getxattr.xattr_len += strlen (xattr) + 1;
- }
- }
-unlock:
- UNLOCK (&frame->lock);
-
- if (!callcnt) {
- if (!local->cont.getxattr.xattr_len)
- goto unwind;
-
- nxattr = dict_new ();
- if (!nxattr)
- goto unwind;
-
- /* extra bytes for decorations (brackets and <>'s) */
- padding += strlen (this->name) + strlen (AFR_PATHINFO_HEADER) + 4;
- local->cont.getxattr.xattr_len += (padding + 2);
-
- xattr_serz = GF_CALLOC (local->cont.getxattr.xattr_len,
- sizeof (char), gf_common_mt_char);
+ afr_local_t *local = NULL;
+ int32_t callcnt = 0;
+ int ret = 0;
+ char *xattr = NULL;
+ char *xattr_serz = NULL;
+ char xattr_cky[1024] = {
+ 0,
+ };
+ int keylen = 0;
+ int xattr_cky_len = 0;
+ dict_t *nxattr = NULL;
+ long cky = 0;
+ int32_t padding = 0;
+ int32_t tlen = 0;
+
+ if (!frame || !frame->local || !this) {
+ gf_msg("", GF_LOG_ERROR, 0, AFR_MSG_INVALID_ARG, "possible NULL deref");
+ goto out;
+ }
+
+ local = frame->local;
+ cky = (long)cookie;
+ keylen = strlen(local->cont.getxattr.name);
+ xattr_cky_len = snprintf(xattr_cky, sizeof(xattr_cky), "%s-%ld",
+ local->cont.getxattr.name, cky);
+ LOCK(&frame->lock);
+ {
+ callcnt = --local->call_count;
- if (!xattr_serz)
- goto unwind;
+ if (op_ret < 0) {
+ local->op_errno = op_errno;
+ } else {
+ local->op_ret = op_ret;
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
+ }
- /* the xlator info */
- (void) sprintf (xattr_serz, "(<"AFR_PATHINFO_HEADER"%s> ",
- this->name);
+ if (!dict || (op_ret < 0))
+ goto unlock;
- /* actual series of pathinfo */
- ret = dict_serialize_value_with_delim (local->dict,
- xattr_serz + strlen (xattr_serz),
- &tlen, ' ');
- if (ret) {
- goto unwind;
- }
+ if (!local->dict) {
+ local->dict = dict_new();
+ if (!local->dict)
+ goto unlock;
+ }
+ ret = dict_get_strn(dict, local->cont.getxattr.name, keylen, &xattr);
+ if (ret)
+ goto unlock;
+
+ xattr = gf_strdup(xattr);
+
+ ret = dict_set_dynstrn(local->dict, xattr_cky, xattr_cky_len, xattr);
+ if (ret) {
+ UNLOCK(&frame->lock);
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Cannot set xattr cookie key");
+ goto post_unlock;
+ }
- /* closing part */
- *(xattr_serz + padding + tlen) = ')';
- *(xattr_serz + padding + tlen + 1) = '\0';
+ local->cont.getxattr.xattr_len += strlen(xattr) + 1;
+ }
+unlock:
+ UNLOCK(&frame->lock);
+post_unlock:
+ if (!callcnt) {
+ if (!local->cont.getxattr.xattr_len)
+ goto unwind;
+
+ nxattr = dict_new();
+ if (!nxattr)
+ goto unwind;
+
+ /* extra bytes for decorations (brackets and <>'s) */
+ padding += strlen(this->name) + SLEN(AFR_PATHINFO_HEADER) + 4;
+ local->cont.getxattr.xattr_len += (padding + 2);
+
+ xattr_serz = GF_MALLOC(local->cont.getxattr.xattr_len,
+ gf_common_mt_char);
+
+ if (!xattr_serz)
+ goto unwind;
+
+ /* the xlator info */
+ int xattr_serz_len = sprintf(
+ xattr_serz, "(<" AFR_PATHINFO_HEADER "%s> ", this->name);
+
+ /* actual series of pathinfo */
+ ret = dict_serialize_value_with_delim(
+ local->dict, xattr_serz + xattr_serz_len, &tlen, ' ');
+ if (ret) {
+ GF_FREE(xattr_serz);
+ goto unwind;
+ }
- ret = dict_set_dynstr (nxattr, local->cont.getxattr.name,
- xattr_serz);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Cannot set pathinfo key in dict");
+ /* closing part */
+ *(xattr_serz + padding + tlen) = ')';
+ *(xattr_serz + padding + tlen + 1) = '\0';
+
+ ret = dict_set_dynstrn(nxattr, local->cont.getxattr.name, keylen,
+ xattr_serz);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Cannot set pathinfo key in dict");
+ if (ret == -EINVAL)
+ GF_FREE(xattr_serz);
+ }
- unwind:
- AFR_STACK_UNWIND (getxattr, frame, local->op_ret,
- local->op_errno, nxattr, local->xdata_rsp);
+ unwind:
+ AFR_STACK_UNWIND(getxattr, frame, local->op_ret, local->op_errno,
+ nxattr, local->xdata_rsp);
- if (nxattr)
- dict_unref (nxattr);
- }
+ if (nxattr)
+ dict_unref(nxattr);
+ }
out:
- return ret;
+ return ret;
}
static int
-afr_aggregate_stime_xattr (dict_t *this, char *key, data_t *value, void *data)
+afr_aggregate_stime_xattr(dict_t *this, char *key, data_t *value, void *data)
{
- int ret = 0;
+ int ret = 0;
- if (fnmatch (GF_XATTR_STIME_PATTERN, key, FNM_NOESCAPE) == 0)
- ret = gf_get_max_stime (THIS, data, key, value);
+ if (fnmatch(GF_XATTR_STIME_PATTERN, key, FNM_NOESCAPE) == 0)
+ ret = gf_get_max_stime(THIS, data, key, value);
- return ret;
+ return ret;
}
int32_t
-afr_common_getxattr_stime_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_common_getxattr_stime_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int32_t callcnt = 0;
-
- if (!frame || !frame->local || !this) {
- gf_msg ("", GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_ARG, "possible NULL deref");
- goto out;
- }
+ afr_local_t *local = NULL;
+ int32_t callcnt = 0;
- local = frame->local;
+ if (!frame || !frame->local || !this) {
+ gf_msg("", GF_LOG_ERROR, 0, AFR_MSG_INVALID_ARG, "possible NULL deref");
+ goto out;
+ }
- LOCK (&frame->lock);
- {
- callcnt = --local->call_count;
+ local = frame->local;
- if (!dict || (op_ret < 0)) {
- local->op_errno = op_errno;
- goto cleanup;
- }
+ LOCK(&frame->lock);
+ {
+ callcnt = --local->call_count;
- if (!local->dict)
- local->dict = dict_copy_with_ref (dict, NULL);
- else
- dict_foreach (dict, afr_aggregate_stime_xattr,
- local->dict);
- local->op_ret = 0;
+ if (!dict || (op_ret < 0)) {
+ local->op_errno = op_errno;
+ goto cleanup;
}
+ if (!local->dict)
+ local->dict = dict_copy_with_ref(dict, NULL);
+ else
+ dict_foreach(dict, afr_aggregate_stime_xattr, local->dict);
+ local->op_ret = 0;
+ }
+
cleanup:
- UNLOCK (&frame->lock);
+ UNLOCK(&frame->lock);
- if (!callcnt) {
- AFR_STACK_UNWIND (getxattr, frame, local->op_ret,
- local->op_errno, local->dict, xdata);
- }
+ if (!callcnt) {
+ AFR_STACK_UNWIND(getxattr, frame, local->op_ret, local->op_errno,
+ local->dict, xdata);
+ }
out:
- return 0;
+ return 0;
}
-
static gf_boolean_t
-afr_is_special_xattr (const char *name, fop_getxattr_cbk_t *cbk,
- gf_boolean_t is_fgetxattr)
+afr_is_special_xattr(const char *name, fop_getxattr_cbk_t *cbk,
+ gf_boolean_t is_fgetxattr)
{
- gf_boolean_t is_spl = _gf_true;
-
- GF_ASSERT (cbk);
- if (!cbk || !name) {
- is_spl = _gf_false;
- goto out;
+ gf_boolean_t is_spl = _gf_true;
+
+ GF_ASSERT(cbk);
+ if (!cbk || !name) {
+ is_spl = _gf_false;
+ goto out;
+ }
+
+ if (!strcmp(name, GF_XATTR_PATHINFO_KEY) ||
+ !strcmp(name, GF_XATTR_USER_PATHINFO_KEY)) {
+ if (is_fgetxattr) {
+ *cbk = afr_fgetxattr_pathinfo_cbk;
+ } else {
+ *cbk = afr_getxattr_pathinfo_cbk;
}
-
- if (!strcmp (name, GF_XATTR_PATHINFO_KEY) ||
- !strcmp (name, GF_XATTR_USER_PATHINFO_KEY)) {
- if (is_fgetxattr) {
- *cbk = afr_fgetxattr_pathinfo_cbk;
- } else {
- *cbk = afr_getxattr_pathinfo_cbk;
- }
- } else if (!strncmp (name, GF_XATTR_CLRLK_CMD,
- strlen (GF_XATTR_CLRLK_CMD))) {
- if (is_fgetxattr) {
- *cbk = afr_fgetxattr_clrlk_cbk;
- } else {
- *cbk = afr_getxattr_clrlk_cbk;
- }
- } else if (!strncmp (name, GF_XATTR_LOCKINFO_KEY,
- strlen (GF_XATTR_LOCKINFO_KEY))) {
- if (is_fgetxattr) {
- *cbk = afr_fgetxattr_lockinfo_cbk;
- } else {
- *cbk = afr_getxattr_lockinfo_cbk;
- }
- } else if (fnmatch (GF_XATTR_STIME_PATTERN, name, FNM_NOESCAPE) == 0) {
- *cbk = afr_common_getxattr_stime_cbk;
- } else if (strcmp (name, QUOTA_SIZE_KEY) == 0) {
- *cbk = afr_getxattr_quota_size_cbk;
- } else if (!strcmp (name, GF_XATTR_LIST_NODE_UUIDS_KEY)) {
- *cbk = afr_getxattr_list_node_uuids_cbk;
+ } else if (!strncmp(name, GF_XATTR_CLRLK_CMD, SLEN(GF_XATTR_CLRLK_CMD))) {
+ if (is_fgetxattr) {
+ *cbk = afr_fgetxattr_clrlk_cbk;
} else {
- is_spl = _gf_false;
+ *cbk = afr_getxattr_clrlk_cbk;
}
+ } else if (!strncmp(name, GF_XATTR_LOCKINFO_KEY,
+ SLEN(GF_XATTR_LOCKINFO_KEY))) {
+ if (is_fgetxattr) {
+ *cbk = afr_fgetxattr_lockinfo_cbk;
+ } else {
+ *cbk = afr_getxattr_lockinfo_cbk;
+ }
+ } else if (fnmatch(GF_XATTR_STIME_PATTERN, name, FNM_NOESCAPE) == 0) {
+ *cbk = afr_common_getxattr_stime_cbk;
+ } else if (strcmp(name, QUOTA_SIZE_KEY) == 0) {
+ *cbk = afr_getxattr_quota_size_cbk;
+ } else if (!strcmp(name, GF_XATTR_LIST_NODE_UUIDS_KEY)) {
+ *cbk = afr_getxattr_list_node_uuids_cbk;
+ } else {
+ is_spl = _gf_false;
+ }
out:
- return is_spl;
+ return is_spl;
}
static void
-afr_getxattr_all_subvols (xlator_t *this, call_frame_t *frame,
- const char *name, loc_t *loc,
- fop_getxattr_cbk_t cbk)
+afr_getxattr_all_subvols(xlator_t *this, call_frame_t *frame, const char *name,
+ loc_t *loc, fop_getxattr_cbk_t cbk)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
- int call_count = 0;
-
- priv = this->private;
-
- local = frame->local;
- //local->call_count set in afr_local_init
- call_count = local->call_count;
-
- if (!strcmp (name, GF_XATTR_LIST_NODE_UUIDS_KEY)) {
- GF_FREE (local->cont.getxattr.name);
- local->cont.getxattr.name = gf_strdup (GF_XATTR_NODE_UUID_KEY);
- }
-
- //If up-children count is 0, afr_local_init would have failed already
- //and the call would have unwound so not handling it here.
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, cbk,
- (void *) (long) i, priv->children[i],
- priv->children[i]->fops->getxattr,
- loc, local->cont.getxattr.name,
- NULL);
- if (!--call_count)
- break;
- }
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
+ int call_count = 0;
+
+ priv = this->private;
+
+ local = frame->local;
+ // local->call_count set in afr_local_init
+ call_count = local->call_count;
+
+ if (!strcmp(name, GF_XATTR_LIST_NODE_UUIDS_KEY)) {
+ GF_FREE(local->cont.getxattr.name);
+ local->cont.getxattr.name = gf_strdup(GF_XATTR_NODE_UUID_KEY);
+ }
+
+ // If up-children count is 0, afr_local_init would have failed already
+ // and the call would have unwound so not handling it here.
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(frame, cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->getxattr, loc,
+ local->cont.getxattr.name, NULL);
+ if (!--call_count)
+ break;
}
- return;
+ }
+ return;
}
int
-afr_marker_populate_args (call_frame_t *frame, int type, int *gauge,
- xlator_t **subvols)
+afr_marker_populate_args(call_frame_t *frame, int type, int *gauge,
+ xlator_t **subvols)
{
- xlator_t *this = frame->this;
- afr_private_t *priv = this->private;
+ xlator_t *this = frame->this;
+ afr_private_t *priv = this->private;
- memcpy (subvols, priv->children, sizeof (*subvols) * priv->child_count);
+ memcpy(subvols, priv->children, sizeof(*subvols) * priv->child_count);
- if (type == MARKER_XTIME_TYPE) {
- /*Don't error out on ENOENT/ENOTCONN */
- gauge[MCNT_NOTFOUND] = 0;
- gauge[MCNT_ENOTCONN] = 0;
- }
- return priv->child_count;
+ if (type == MARKER_XTIME_TYPE) {
+ /*Don't error out on ENOENT/ENOTCONN */
+ gauge[MCNT_NOTFOUND] = 0;
+ gauge[MCNT_ENOTCONN] = 0;
+ }
+ return priv->child_count;
}
static int
-afr_handle_heal_xattrs (call_frame_t *frame, xlator_t *this, loc_t *loc,
- const char *heal_op)
+afr_handle_heal_xattrs(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *heal_op)
{
- int ret = -1;
- afr_spb_status_t *data = NULL;
+ int ret = -1;
+ afr_spb_status_t *data = NULL;
- if (!strcmp (heal_op, GF_HEAL_INFO)) {
- afr_get_heal_info (frame, this, loc);
- ret = 0;
- goto out;
- }
+ if (!strcmp(heal_op, GF_HEAL_INFO)) {
+ afr_get_heal_info(frame, this, loc);
+ ret = 0;
+ goto out;
+ }
- if (!strcmp (heal_op, GF_AFR_HEAL_SBRAIN)) {
- afr_heal_splitbrain_file (frame, this, loc);
- ret = 0;
- goto out;
+ if (!strcmp(heal_op, GF_AFR_HEAL_SBRAIN)) {
+ afr_heal_splitbrain_file(frame, this, loc);
+ ret = 0;
+ goto out;
+ }
+
+ if (!strcmp(heal_op, GF_AFR_SBRAIN_STATUS)) {
+ data = GF_CALLOC(1, sizeof(*data), gf_afr_mt_spb_status_t);
+ if (!data) {
+ ret = 1;
+ goto out;
}
-
- if (!strcmp (heal_op, GF_AFR_SBRAIN_STATUS)) {
- data = GF_CALLOC (1, sizeof (*data), gf_afr_mt_spb_status_t);
- if (!data) {
- ret = 1;
- goto out;
- }
- data->frame = frame;
- data->loc = loc;
- ret = synctask_new (this->ctx->env,
- afr_get_split_brain_status,
- afr_get_split_brain_status_cbk,
- NULL, data);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN_STATUS,
- "Failed to create"
- " synctask. Unable to fetch split-brain status"
- " for %s.", loc->name);
- ret = 1;
- goto out;
- }
- goto out;
+ data->frame = frame;
+ data->loc = loc;
+ ret = synctask_new(this->ctx->env, afr_get_split_brain_status,
+ afr_get_split_brain_status_cbk, NULL, data);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN_STATUS,
+ "Failed to create"
+ " synctask. Unable to fetch split-brain status"
+ " for %s.",
+ loc->name);
+ ret = 1;
+ goto out;
}
+ goto out;
+ }
out:
- if (ret == 1) {
- AFR_STACK_UNWIND (getxattr, frame, -1, ENOMEM, NULL, NULL);
- if (data)
- GF_FREE (data);
- ret = 0;
- }
- return ret;
+ if (ret == 1) {
+ AFR_STACK_UNWIND(getxattr, frame, -1, ENOMEM, NULL, NULL);
+ if (data)
+ GF_FREE(data);
+ ret = 0;
+ }
+ return ret;
}
int32_t
-afr_getxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *name, dict_t *xdata)
+afr_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, const char *name,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- xlator_t **children = NULL;
- int i = 0;
- int32_t op_errno = 0;
- int ret = -1;
- fop_getxattr_cbk_t cbk = NULL;
-
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ xlator_t **children = NULL;
+ int i = 0;
+ int32_t op_errno = 0;
+ int ret = -1;
+ fop_getxattr_cbk_t cbk = NULL;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- priv = this->private;
+ priv = this->private;
- children = priv->children;
+ children = priv->children;
- loc_copy (&local->loc, loc);
+ loc_copy(&local->loc, loc);
- local->op = GF_FOP_GETXATTR;
+ local->op = GF_FOP_GETXATTR;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- if (!name)
- goto no_name;
+ if (!name)
+ goto no_name;
- local->cont.getxattr.name = gf_strdup (name);
+ local->cont.getxattr.name = gf_strdup(name);
- if (!local->cont.getxattr.name) {
- op_errno = ENOMEM;
- goto out;
- }
-
- if (!strncmp (name, AFR_XATTR_PREFIX,
- strlen (AFR_XATTR_PREFIX))) {
- op_errno = ENODATA;
- goto out;
- }
+ if (!local->cont.getxattr.name) {
+ op_errno = ENOMEM;
+ goto out;
+ }
- if (cluster_handle_marker_getxattr (frame, loc, name, priv->vol_uuid,
- afr_getxattr_unwind,
- afr_marker_populate_args) == 0)
- return 0;
+ if (!strncmp(name, AFR_XATTR_PREFIX, SLEN(AFR_XATTR_PREFIX))) {
+ op_errno = ENODATA;
+ goto out;
+ }
- ret = afr_handle_heal_xattrs (frame, this, &local->loc, name);
- if (ret == 0)
- return 0;
+ if (cluster_handle_marker_getxattr(frame, loc, name, priv->vol_uuid,
+ afr_getxattr_unwind,
+ afr_marker_populate_args) == 0)
+ return 0;
- /*
- * Heal daemons don't have IO threads ... and as a result they
- * send this getxattr down and eventually crash :(
- */
- op_errno = -1;
- GF_CHECK_XATTR_KEY_AND_GOTO(name, IO_THREADS_QUEUE_SIZE_KEY, op_errno,
- out);
+ ret = afr_handle_heal_xattrs(frame, this, &local->loc, name);
+ if (ret == 0)
+ return 0;
- /*
- * Special xattrs which need responses from all subvols
- */
- if (afr_is_special_xattr (name, &cbk, 0)) {
- afr_getxattr_all_subvols (this, frame, name, loc, cbk);
- return 0;
- }
+ /*
+ * Heal daemons don't have IO threads ... and as a result they
+ * send this getxattr down and eventually crash :(
+ */
+ op_errno = -1;
+ GF_CHECK_XATTR_KEY_AND_GOTO(name, IO_THREADS_QUEUE_SIZE_KEY, op_errno, out);
+
+ /*
+ * Special xattrs which need responses from all subvols
+ */
+ if (afr_is_special_xattr(name, &cbk, 0)) {
+ afr_getxattr_all_subvols(this, frame, name, loc, cbk);
+ return 0;
+ }
- if (XATTR_IS_NODE_UUID (name)) {
- i = 0;
- STACK_WIND_COOKIE (frame, afr_getxattr_node_uuid_cbk,
- (void *) (long) i,
- children[i],
- children[i]->fops->getxattr,
- loc, name, xdata);
- return 0;
- }
+ if (XATTR_IS_NODE_UUID(name)) {
+ i = 0;
+ STACK_WIND_COOKIE(frame, afr_getxattr_node_uuid_cbk, (void *)(long)i,
+ children[i], children[i]->fops->getxattr, loc, name,
+ xdata);
+ return 0;
+ }
no_name:
- afr_read_txn (frame, this, local->loc.inode, afr_getxattr_wind,
- AFR_METADATA_TRANSACTION);
+ afr_read_txn(frame, this, local->loc.inode, afr_getxattr_wind,
+ AFR_METADATA_TRANSACTION);
- ret = 0;
+ ret = 0;
out:
- if (ret < 0)
- AFR_STACK_UNWIND (getxattr, frame, -1, op_errno, NULL, NULL);
- return 0;
+ if (ret < 0)
+ AFR_STACK_UNWIND(getxattr, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
/* {{{ fgetxattr */
-
int32_t
-afr_fgetxattr_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *dict, dict_t *xdata)
+afr_fgetxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = op_errno;
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- if (dict)
- afr_filter_xattrs (dict);
+ if (dict)
+ afr_filter_xattrs(dict);
- AFR_STACK_UNWIND (fgetxattr, frame, op_ret, op_errno, dict, xdata);
+ AFR_STACK_UNWIND(fgetxattr, frame, op_ret, op_errno, dict, xdata);
- return 0;
+ return 0;
}
int
-afr_fgetxattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fgetxattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (fgetxattr, frame, local->op_ret,
- local->op_errno, NULL, NULL);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_fgetxattr_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fgetxattr,
- local->fd, local->cont.getxattr.name,
- local->xdata_req);
- return 0;
-}
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ local = frame->local;
+ priv = this->private;
-static void
-afr_fgetxattr_all_subvols (xlator_t *this, call_frame_t *frame,
- fop_fgetxattr_cbk_t cbk)
-{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
- int call_count = 0;
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(fgetxattr, frame, local->op_ret, local->op_errno, NULL,
+ NULL);
+ return 0;
+ }
- priv = this->private;
+ STACK_WIND_COOKIE(frame, afr_fgetxattr_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->fgetxattr, local->fd,
+ local->cont.getxattr.name, local->xdata_req);
+ return 0;
+}
- local = frame->local;
- //local->call_count set in afr_local_init
- call_count = local->call_count;
-
- //If up-children count is 0, afr_local_init would have failed already
- //and the call would have unwound so not handling it here.
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->fgetxattr,
- local->fd, local->cont.getxattr.name,
- NULL);
- if (!--call_count)
- break;
- }
+static void
+afr_fgetxattr_all_subvols(xlator_t *this, call_frame_t *frame,
+ fop_fgetxattr_cbk_t cbk)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
+ int call_count = 0;
+
+ priv = this->private;
+
+ local = frame->local;
+ // local->call_count set in afr_local_init
+ call_count = local->call_count;
+
+ // If up-children count is 0, afr_local_init would have failed already
+ // and the call would have unwound so not handling it here.
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(frame, cbk, (void *)(long)i, priv->children[i],
+ priv->children[i]->fops->fgetxattr, local->fd,
+ local->cont.getxattr.name, NULL);
+ if (!--call_count)
+ break;
}
+ }
- return;
+ return;
}
-
int
-afr_fgetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, const char *name, dict_t *xdata)
+afr_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *name,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int32_t op_errno = 0;
- fop_fgetxattr_cbk_t cbk = NULL;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- local->op = GF_FOP_FGETXATTR;
- local->fd = fd_ref (fd);
- if (name) {
- local->cont.getxattr.name = gf_strdup (name);
- if (!local->cont.getxattr.name) {
- op_errno = ENOMEM;
- goto out;
- }
- }
- if (xdata)
- local->xdata_req = dict_ref (xdata);
-
- /* pathinfo gets handled only in getxattr(), but we need to handle
- * lockinfo.
- * If we are doing fgetxattr with lockinfo as the key then we
- * collect information from all children.
- */
- if (afr_is_special_xattr (name, &cbk, 1)) {
- afr_fgetxattr_all_subvols (this, frame, cbk);
- return 0;
+ afr_local_t *local = NULL;
+ int32_t op_errno = 0;
+ fop_fgetxattr_cbk_t cbk = NULL;
+
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ local->op = GF_FOP_FGETXATTR;
+ local->fd = fd_ref(fd);
+ if (name) {
+ local->cont.getxattr.name = gf_strdup(name);
+ if (!local->cont.getxattr.name) {
+ op_errno = ENOMEM;
+ goto out;
}
+ }
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
+
+ /* pathinfo gets handled only in getxattr(), but we need to handle
+ * lockinfo.
+ * If we are doing fgetxattr with lockinfo as the key then we
+ * collect information from all children.
+ */
+ if (afr_is_special_xattr(name, &cbk, 1)) {
+ afr_fgetxattr_all_subvols(this, frame, cbk);
+ return 0;
+ }
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- afr_read_txn (frame, this, fd->inode, afr_fgetxattr_wind,
- AFR_METADATA_TRANSACTION);
+ afr_read_txn(frame, this, fd->inode, afr_fgetxattr_wind,
+ AFR_METADATA_TRANSACTION);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (fgetxattr, frame, -1, op_errno, NULL, NULL);
+ AFR_STACK_UNWIND(fgetxattr, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
/* }}} */
/* {{{ readv */
int
-afr_readv_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- struct iovec *vector, int32_t count, struct iatt *buf,
- struct iobref *iobref, dict_t *xdata)
+afr_readv_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, struct iovec *vector, int32_t count,
+ struct iatt *buf, struct iobref *iobref, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = op_errno;
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ afr_read_txn_continue(frame, this, (long)cookie);
+ return 0;
+ }
- AFR_STACK_UNWIND (readv, frame, op_ret, op_errno,
- vector, count, buf, iobref, xdata);
- return 0;
+ AFR_STACK_UNWIND(readv, frame, op_ret, op_errno, vector, count, buf, iobref,
+ xdata);
+ return 0;
}
-
int
-afr_readv_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_readv_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
-
- if (subvol == -1) {
- AFR_STACK_UNWIND (readv, frame, local->op_ret, local->op_errno,
- 0, 0, 0, 0, 0);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_readv_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->readv,
- local->fd, local->cont.readv.size,
- local->cont.readv.offset, local->cont.readv.flags,
- local->xdata_req);
- return 0;
-}
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ local = frame->local;
+ priv = this->private;
+
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(readv, frame, local->op_ret, local->op_errno, 0, 0, 0,
+ 0, 0);
+ return 0;
+ }
+
+ STACK_WIND_COOKIE(
+ frame, afr_readv_cbk, (void *)(long)subvol, priv->children[subvol],
+ priv->children[subvol]->fops->readv, local->fd, local->cont.readv.size,
+ local->cont.readv.offset, local->cont.readv.flags, local->xdata_req);
+ return 0;
+}
int
-afr_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset, uint32_t flags, dict_t *xdata)
+afr_readv(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata)
{
- afr_local_t * local = NULL;
- int32_t op_errno = 0;
+ afr_local_t *local = NULL;
+ int32_t op_errno = 0;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_READ;
- local->fd = fd_ref (fd);
- local->cont.readv.size = size;
- local->cont.readv.offset = offset;
- local->cont.readv.flags = flags;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->op = GF_FOP_READ;
+ local->fd = fd_ref(fd);
+ local->cont.readv.size = size;
+ local->cont.readv.offset = offset;
+ local->cont.readv.flags = flags;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- afr_read_txn (frame, this, fd->inode, afr_readv_wind,
- AFR_DATA_TRANSACTION);
+ afr_read_txn(frame, this, fd->inode, afr_readv_wind, AFR_DATA_TRANSACTION);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND(readv, frame, -1, op_errno, 0, 0, 0, 0, 0);
+ AFR_STACK_UNWIND(readv, frame, -1, op_errno, 0, 0, 0, 0, 0);
- return 0;
+ return 0;
}
/* }}} */
@@ -1908,77 +1822,73 @@ out:
/* {{{ seek */
int
-afr_seek_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, off_t offset, dict_t *xdata)
+afr_seek_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, off_t offset, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = op_errno;
-
- afr_read_txn_continue (frame, this, (long) cookie);
- return 0;
- }
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
- AFR_STACK_UNWIND (seek, frame, op_ret, op_errno, offset, xdata);
+ afr_read_txn_continue(frame, this, (long)cookie);
return 0;
-}
+ }
+ AFR_STACK_UNWIND(seek, frame, op_ret, op_errno, offset, xdata);
+ return 0;
+}
int
-afr_seek_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_seek_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- priv = this->private;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- if (subvol == -1) {
- AFR_STACK_UNWIND (seek, frame, local->op_ret, local->op_errno,
- 0, NULL);
- return 0;
- }
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_seek_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->seek,
- local->fd, local->cont.seek.offset,
- local->cont.seek.what, local->xdata_req);
+ if (subvol == -1) {
+ AFR_STACK_UNWIND(seek, frame, local->op_ret, local->op_errno, 0, NULL);
return 0;
-}
+ }
+ STACK_WIND_COOKIE(
+ frame, afr_seek_cbk, (void *)(long)subvol, priv->children[subvol],
+ priv->children[subvol]->fops->seek, local->fd, local->cont.seek.offset,
+ local->cont.seek.what, local->xdata_req);
+ return 0;
+}
int
-afr_seek (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- gf_seek_what_t what, dict_t *xdata)
+afr_seek(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ gf_seek_what_t what, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int32_t op_errno = 0;
+ afr_local_t *local = NULL;
+ int32_t op_errno = 0;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->op = GF_FOP_SEEK;
- local->fd = fd_ref (fd);
- local->cont.seek.offset = offset;
- local->cont.seek.what = what;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->op = GF_FOP_SEEK;
+ local->fd = fd_ref(fd);
+ local->cont.seek.offset = offset;
+ local->cont.seek.what = what;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- afr_read_txn (frame, this, fd->inode, afr_seek_wind,
- AFR_DATA_TRANSACTION);
+ afr_read_txn(frame, this, fd->inode, afr_seek_wind, AFR_DATA_TRANSACTION);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (seek, frame, -1, op_errno, 0, NULL);
+ AFR_STACK_UNWIND(seek, frame, -1, op_errno, 0, NULL);
- return 0;
+ return 0;
}
/* }}} */
diff --git a/xlators/cluster/afr/src/afr-inode-read.h b/xlators/cluster/afr/src/afr-inode-read.h
index d128134ef2a..8c982bc7e6f 100644
--- a/xlators/cluster/afr/src/afr-inode-read.h
+++ b/xlators/cluster/afr/src/afr-inode-read.h
@@ -12,34 +12,34 @@
#define __INODE_READ_H__
int32_t
-afr_access (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t mask, dict_t *xdata);
+afr_access(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask,
+ dict_t *xdata);
int32_t
-afr_stat (call_frame_t *frame, xlator_t *this,
- loc_t *loc, dict_t *xdata);
+afr_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata);
int32_t
-afr_fstat (call_frame_t *frame, xlator_t *this,
- fd_t *fd, dict_t *xdata);
+afr_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata);
int32_t
-afr_readlink (call_frame_t *frame, xlator_t *this,
- loc_t *loc, size_t size, dict_t *xdata);
+afr_readlink(call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size,
+ dict_t *xdata);
int32_t
-afr_readv (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t offset, uint32_t flags, dict_t *xdata);
+afr_readv(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata);
int32_t
-afr_getxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *name, dict_t *xdata);
+afr_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, const char *name,
+ dict_t *xdata);
int32_t
-afr_fgetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, const char *name, dict_t *xdata);
-
+afr_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *name,
+ dict_t *xdata);
int
-afr_handle_quota_size (call_frame_t *frame, xlator_t *this);
+afr_seek(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ gf_seek_what_t what, dict_t *xdata);
+int
+afr_handle_quota_size(call_frame_t *frame, xlator_t *this);
#endif /* __INODE_READ_H__ */
diff --git a/xlators/cluster/afr/src/afr-inode-write.c b/xlators/cluster/afr/src/afr-inode-write.c
index 755e928ef62..1d6e4f3570a 100644
--- a/xlators/cluster/afr/src/afr-inode-write.c
+++ b/xlators/cluster/afr/src/afr-inode-write.c
@@ -8,798 +8,779 @@
cases as published by the Free Software Foundation.
*/
-
-#include <libgen.h>
#include <unistd.h>
-#include <fnmatch.h>
#include <sys/time.h>
#include <stdlib.h>
#include <signal.h>
-#include "glusterfs.h"
+#include <glusterfs/glusterfs.h>
#include "afr.h"
-#include "dict.h"
-#include "xlator.h"
-#include "hashfn.h"
-#include "logging.h"
-#include "list.h"
-#include "call-stub.h"
-#include "defaults.h"
-#include "common-utils.h"
-#include "compat-errno.h"
-#include "compat.h"
+#include <glusterfs/dict.h>
+#include <glusterfs/logging.h>
+#include <glusterfs/defaults.h>
+#include <glusterfs/common-utils.h>
+#include <glusterfs/compat-errno.h>
+#include <glusterfs/compat.h>
#include "protocol-common.h"
-#include "byte-order.h"
+#include <glusterfs/byte-order.h>
#include "afr-transaction.h"
#include "afr-self-heal.h"
#include "afr-messages.h"
static void
-__afr_inode_write_finalize (call_frame_t *frame, xlator_t *this)
-{
- int i = 0;
- int ret = 0;
- int read_subvol = 0;
- struct iatt *stbuf = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_read_subvol_args_t args = {0,};
-
- local = frame->local;
- priv = this->private;
- GF_VALIDATE_OR_GOTO (this->name, local->inode, out);
-
- /*This code needs to stay till DHT sends fops on linked
- * inodes*/
- if (!inode_is_linked (local->inode)) {
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
- if (local->replies[i].op_ret == -1)
- continue;
- if (!gf_uuid_is_null
- (local->replies[i].poststat.ia_gfid)) {
- gf_uuid_copy (args.gfid,
- local->replies[i].poststat.ia_gfid);
- args.ia_type =
- local->replies[i].poststat.ia_type;
- break;
- } else {
- ret = dict_get_bin (local->replies[i].xdata,
- DHT_IATT_IN_XDATA_KEY,
- (void **) &stbuf);
- if (ret)
- continue;
- gf_uuid_copy (args.gfid, stbuf->ia_gfid);
- args.ia_type = stbuf->ia_type;
- break;
- }
- }
+__afr_inode_write_finalize(call_frame_t *frame, xlator_t *this)
+{
+ int i = 0;
+ int ret = 0;
+ int read_subvol = 0;
+ struct iatt *stbuf = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_read_subvol_args_t args = {
+ 0,
+ };
+
+ local = frame->local;
+ priv = this->private;
+ GF_VALIDATE_OR_GOTO(this->name, local->inode, out);
+
+ /*This code needs to stay till DHT sends fops on linked
+ * inodes*/
+ if (!inode_is_linked(local->inode)) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+ if (local->replies[i].op_ret == -1)
+ continue;
+ if (!gf_uuid_is_null(local->replies[i].poststat.ia_gfid)) {
+ gf_uuid_copy(args.gfid, local->replies[i].poststat.ia_gfid);
+ args.ia_type = local->replies[i].poststat.ia_type;
+ break;
+ } else {
+ ret = dict_get_bin(local->replies[i].xdata,
+ DHT_IATT_IN_XDATA_KEY, (void **)&stbuf);
+ if (ret)
+ continue;
+ gf_uuid_copy(args.gfid, stbuf->ia_gfid);
+ args.ia_type = stbuf->ia_type;
+ break;
+ }
}
-
- if (local->transaction.type == AFR_METADATA_TRANSACTION) {
- read_subvol = afr_metadata_subvol_get (local->inode, this,
- NULL, local->readable,
- NULL, &args);
- } else {
- read_subvol = afr_data_subvol_get (local->inode, this,
- NULL, local->readable,
- NULL, &args);
+ }
+
+ if (local->transaction.type == AFR_METADATA_TRANSACTION) {
+ read_subvol = afr_metadata_subvol_get(local->inode, this, NULL,
+ local->readable, NULL, &args);
+ } else {
+ read_subvol = afr_data_subvol_get(local->inode, this, NULL,
+ local->readable, NULL, &args);
+ }
+
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(local, priv);
+ afr_pick_error_xdata(local, priv, local->inode, local->readable, NULL,
+ NULL);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+ if (local->replies[i].op_ret < 0)
+ continue;
+
+ /* Order of checks in the compound conditional
+ below is important.
+
+ - Highest precedence: largest op_ret
+ - Next precedence: if all op_rets are equal, read subvol
+ - Least precedence: any succeeded subvol
+ */
+ if ((local->op_ret < local->replies[i].op_ret) ||
+ ((local->op_ret == local->replies[i].op_ret) &&
+ (i == read_subvol))) {
+ local->op_ret = local->replies[i].op_ret;
+ local->op_errno = local->replies[i].op_errno;
+
+ local->cont.inode_wfop.prebuf = local->replies[i].prestat;
+ local->cont.inode_wfop.postbuf = local->replies[i].poststat;
+
+ if (local->replies[i].xdata) {
+ if (local->xdata_rsp)
+ dict_unref(local->xdata_rsp);
+ local->xdata_rsp = dict_ref(local->replies[i].xdata);
+ }
+ if (local->replies[i].xattr) {
+ if (local->xattr_rsp)
+ dict_unref(local->xattr_rsp);
+ local->xattr_rsp = dict_ref(local->replies[i].xattr);
+ }
}
+ }
- local->op_ret = -1;
- local->op_errno = afr_final_errno (local, priv);
- afr_pick_error_xdata (local, priv, local->inode, local->readable, NULL,
- NULL);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
- if (local->replies[i].op_ret < 0)
- continue;
-
- /* Order of checks in the compound conditional
- below is important.
-
- - Highest precedence: largest op_ret
- - Next precedence: if all op_rets are equal, read subvol
- - Least precedence: any succeeded subvol
- */
- if ((local->op_ret < local->replies[i].op_ret) ||
- ((local->op_ret == local->replies[i].op_ret) &&
- (i == read_subvol))) {
-
- local->op_ret = local->replies[i].op_ret;
- local->op_errno = local->replies[i].op_errno;
-
- local->cont.inode_wfop.prebuf =
- local->replies[i].prestat;
- local->cont.inode_wfop.postbuf =
- local->replies[i].poststat;
-
- if (local->replies[i].xdata) {
- if (local->xdata_rsp)
- dict_unref (local->xdata_rsp);
- local->xdata_rsp =
- dict_ref (local->replies[i].xdata);
- }
- if (local->replies[i].xattr) {
- if (local->xattr_rsp)
- dict_unref (local->xattr_rsp);
- local->xattr_rsp =
- dict_ref (local->replies[i].xattr);
- }
- }
- }
-
- afr_set_in_flight_sb_status (this, frame, local->inode);
+ afr_set_in_flight_sb_status(this, frame, local->inode);
out:
- return;
+ return;
}
-
static void
-__afr_inode_write_fill (call_frame_t *frame, xlator_t *this, int child_index,
- int op_ret, int op_errno,
- struct iatt *prebuf, struct iatt *postbuf,
- dict_t *xattr, dict_t *xdata)
+__afr_inode_write_fill(call_frame_t *frame, xlator_t *this, int child_index,
+ int op_ret, int op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xattr, dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- local->replies[child_index].valid = 1;
+ local->replies[child_index].valid = 1;
- if (AFR_IS_ARBITER_BRICK(priv, child_index) && op_ret == 1)
- op_ret = iov_length (local->cont.writev.vector,
- local->cont.writev.count);
+ if (AFR_IS_ARBITER_BRICK(priv, child_index) && op_ret == 1)
+ op_ret = iov_length(local->cont.writev.vector,
+ local->cont.writev.count);
- local->replies[child_index].op_ret = op_ret;
- local->replies[child_index].op_errno = op_errno;
- if (xdata)
- local->replies[child_index].xdata = dict_ref (xdata);
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+ if (xdata)
+ local->replies[child_index].xdata = dict_ref(xdata);
- if (op_ret >= 0) {
- if (prebuf)
- local->replies[child_index].prestat = *prebuf;
- if (postbuf)
- local->replies[child_index].poststat = *postbuf;
- if (xattr)
- local->replies[child_index].xattr = dict_ref (xattr);
- } else {
- afr_transaction_fop_failed (frame, this, child_index);
- }
+ if (op_ret >= 0) {
+ if (prebuf)
+ local->replies[child_index].prestat = *prebuf;
+ if (postbuf)
+ local->replies[child_index].poststat = *postbuf;
+ if (xattr)
+ local->replies[child_index].xattr = dict_ref(xattr);
+ } else {
+ afr_transaction_fop_failed(frame, this, child_index);
+ }
- return;
+ return;
}
-
static int
-__afr_inode_write_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xattr, dict_t *xdata)
-{
- afr_local_t *local = NULL;
- int child_index = (long) cookie;
- int call_count = -1;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- local = frame->local;
-
- LOCK (&frame->lock);
- {
- __afr_inode_write_fill (frame, this, child_index, op_ret,
- op_errno, prebuf, postbuf, xattr,
- xdata);
+__afr_inode_write_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xattr, dict_t *xdata)
+{
+ afr_local_t *local = NULL;
+ int child_index = (long)cookie;
+ int call_count = -1;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ LOCK(&frame->lock);
+ {
+ __afr_inode_write_fill(frame, this, child_index, op_ret, op_errno,
+ prebuf, postbuf, xattr, xdata);
+ call_count = --local->call_count;
+ }
+ UNLOCK(&frame->lock);
+
+ if (call_count == 0) {
+ __afr_inode_write_finalize(frame, this);
+
+ if (afr_txn_nothing_failed(frame, this)) {
+ /*if it did pre-op, it will do post-op changing ctime*/
+ if (priv->consistent_metadata && afr_needs_changelog_update(local))
+ afr_zero_fill_stat(local);
+ local->transaction.unwind(frame, this);
}
- UNLOCK (&frame->lock);
-
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- __afr_inode_write_finalize (frame, this);
- if (afr_txn_nothing_failed (frame, this)) {
- /*if it did pre-op, it will do post-op changing ctime*/
- if (priv->consistent_metadata &&
- afr_needs_changelog_update (local))
- afr_zero_fill_stat (local);
- local->transaction.unwind (frame, this);
- }
+ afr_transaction_resume(frame, this);
+ }
- afr_transaction_resume (frame, this);
- }
-
- return 0;
+ return 0;
}
/* {{{ writev */
void
-afr_writev_copy_outvars (call_frame_t *src_frame, call_frame_t *dst_frame)
+afr_writev_copy_outvars(call_frame_t *src_frame, call_frame_t *dst_frame)
{
- afr_local_t *src_local = NULL;
- afr_local_t *dst_local = NULL;
+ afr_local_t *src_local = NULL;
+ afr_local_t *dst_local = NULL;
- src_local = src_frame->local;
- dst_local = dst_frame->local;
+ src_local = src_frame->local;
+ dst_local = dst_frame->local;
- dst_local->op_ret = src_local->op_ret;
- dst_local->op_errno = src_local->op_errno;
- dst_local->cont.inode_wfop.prebuf = src_local->cont.inode_wfop.prebuf;
- dst_local->cont.inode_wfop.postbuf = src_local->cont.inode_wfop.postbuf;
- if (src_local->xdata_rsp)
- dst_local->xdata_rsp = dict_ref (src_local->xdata_rsp);
+ dst_local->op_ret = src_local->op_ret;
+ dst_local->op_errno = src_local->op_errno;
+ dst_local->cont.inode_wfop.prebuf = src_local->cont.inode_wfop.prebuf;
+ dst_local->cont.inode_wfop.postbuf = src_local->cont.inode_wfop.postbuf;
+ if (src_local->xdata_rsp)
+ dst_local->xdata_rsp = dict_ref(src_local->xdata_rsp);
}
void
-afr_writev_unwind (call_frame_t *frame, xlator_t *this)
+afr_writev_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- afr_private_t *priv = this->private;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = this->private;
- local = frame->local;
+ local = frame->local;
- if (priv->consistent_metadata)
- afr_zero_fill_stat (local);
+ if (priv->consistent_metadata)
+ afr_zero_fill_stat(local);
- AFR_STACK_UNWIND (writev, frame,
- local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf,
- local->xdata_rsp);
+ AFR_STACK_UNWIND(writev, frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
}
-
int
-afr_transaction_writev_unwind (call_frame_t *frame, xlator_t *this)
+afr_transaction_writev_unwind(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *fop_frame = NULL;
+ call_frame_t *fop_frame = NULL;
- fop_frame = afr_transaction_detach_fop_frame (frame);
+ fop_frame = afr_transaction_detach_fop_frame(frame);
- if (fop_frame) {
- afr_writev_copy_outvars (frame, fop_frame);
- afr_writev_unwind (fop_frame, this);
- }
- return 0;
+ if (fop_frame) {
+ afr_writev_copy_outvars(frame, fop_frame);
+ afr_writev_unwind(fop_frame, this);
+ }
+ return 0;
}
static void
-afr_writev_handle_short_writes (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
-
- local = frame->local;
- priv = this->private;
- /*
- * We already have the best case result of the writev calls staged
- * as the return value. Any writev that returns some value less
- * than the best case is now out of sync, so mark the fop as
- * failed. Note that fops that have returned with errors have
- * already been marked as failed.
- */
- for (i = 0; i < priv->child_count; i++) {
- if ((!local->replies[i].valid) ||
- (local->replies[i].op_ret == -1))
- continue;
-
- if (local->replies[i].op_ret < local->op_ret)
- afr_transaction_fop_failed (frame, this, i);
- }
+afr_writev_handle_short_writes(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+ /*
+ * We already have the best case result of the writev calls staged
+ * as the return value. Any writev that returns some value less
+ * than the best case is now out of sync, so mark the fop as
+ * failed. Note that fops that have returned with errors have
+ * already been marked as failed.
+ */
+ for (i = 0; i < priv->child_count; i++) {
+ if ((!local->replies[i].valid) || (local->replies[i].op_ret == -1))
+ continue;
+
+ if (local->replies[i].op_ret < local->op_ret)
+ afr_transaction_fop_failed(frame, this, i);
+ }
}
void
-afr_inode_write_fill (call_frame_t *frame, xlator_t *this, int child_index,
+afr_inode_write_fill(call_frame_t *frame, xlator_t *this, int child_index,
int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata)
{
- int ret = 0;
- afr_local_t *local = frame->local;
- uint32_t open_fd_count = 0;
- uint32_t write_is_append = 0;
-
- LOCK (&frame->lock);
- {
- __afr_inode_write_fill (frame, this, child_index, op_ret,
- op_errno, prebuf, postbuf, NULL, xdata);
- if (op_ret == -1 || !xdata)
- goto unlock;
-
- write_is_append = 0;
- ret = dict_get_uint32 (xdata, GLUSTERFS_WRITE_IS_APPEND,
- &write_is_append);
- if (ret || !write_is_append)
- local->append_write = _gf_false;
-
- ret = dict_get_uint32 (xdata, GLUSTERFS_ACTIVE_FD_COUNT,
- &open_fd_count);
- if (ret < 0)
- goto unlock;
- if (open_fd_count > local->open_fd_count) {
- local->open_fd_count = open_fd_count;
- local->update_open_fd_count = _gf_true;
- }
+ int ret = 0;
+ afr_local_t *local = frame->local;
+ uint32_t open_fd_count = 0;
+ uint32_t write_is_append = 0;
+ int32_t num_inodelks = 0;
+
+ LOCK(&frame->lock);
+ {
+ __afr_inode_write_fill(frame, this, child_index, op_ret, op_errno,
+ prebuf, postbuf, NULL, xdata);
+ if (op_ret == -1 || !xdata)
+ goto unlock;
+
+ write_is_append = 0;
+ ret = dict_get_uint32(xdata, GLUSTERFS_WRITE_IS_APPEND,
+ &write_is_append);
+ if (ret || !write_is_append)
+ local->append_write = _gf_false;
+
+ ret = dict_get_uint32(xdata, GLUSTERFS_ACTIVE_FD_COUNT, &open_fd_count);
+ if (ret < 0)
+ goto unlock;
+ if (open_fd_count > local->open_fd_count) {
+ local->open_fd_count = open_fd_count;
+ local->update_open_fd_count = _gf_true;
}
+
+ ret = dict_get_int32_sizen(xdata, GLUSTERFS_INODELK_COUNT,
+ &num_inodelks);
+ if (ret < 0)
+ goto unlock;
+ if (num_inodelks > local->num_inodelks) {
+ local->num_inodelks = num_inodelks;
+ local->update_num_inodelks = _gf_true;
+ }
+ }
unlock:
- UNLOCK (&frame->lock);
+ UNLOCK(&frame->lock);
}
void
-afr_process_post_writev (call_frame_t *frame, xlator_t *this)
+afr_process_post_writev(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
+ afr_lock_t *lock = NULL;
- local = frame->local;
+ local = frame->local;
- if (!local->stable_write && !local->append_write)
- /* An appended write removes the necessity to
- fsync() the file. This is because self-heal
- has the logic to check for larger file when
- the xattrs are not reliably pointing at
- a stale file.
- */
- afr_fd_report_unstable_write (this, local);
+ if (!local->stable_write && !local->append_write)
+ /* An appended write removes the necessity to
+ fsync() the file. This is because self-heal
+ has the logic to check for larger file when
+ the xattrs are not reliably pointing at
+ a stale file.
+ */
+ afr_fd_report_unstable_write(this, local);
- __afr_inode_write_finalize (frame, this);
+ __afr_inode_write_finalize(frame, this);
- afr_writev_handle_short_writes (frame, this);
-
- if (local->update_open_fd_count)
- local->inode_ctx->open_fd_count = local->open_fd_count;
+ afr_writev_handle_short_writes(frame, this);
+ if (local->update_open_fd_count)
+ local->inode_ctx->open_fd_count = local->open_fd_count;
+ if (local->update_num_inodelks &&
+ local->transaction.type == AFR_DATA_TRANSACTION) {
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ lock->num_inodelks = local->num_inodelks;
+ }
}
int
-afr_writev_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+afr_writev_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- call_frame_t *fop_frame = NULL;
- int child_index = (long) cookie;
- int call_count = -1;
-
- afr_inode_write_fill (frame, this, child_index, op_ret, op_errno,
- prebuf, postbuf, xdata);
-
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- afr_process_post_writev (frame, this);
-
- if (!afr_txn_nothing_failed (frame, this)) {
- //Don't unwind until post-op is complete
- afr_transaction_resume (frame, this);
- } else {
- /*
- * Generally inode-write fops do transaction.unwind then
- * transaction.resume, but writev needs to make sure that
- * delayed post-op frame is placed in fdctx before unwind
- * happens. This prevents the race of flush doing the
- * changelog wakeup first in fuse thread and then this
- * writev placing its delayed post-op frame in fdctx.
- * This helps flush make sure all the delayed post-ops are
- * completed.
- */
-
- fop_frame = afr_transaction_detach_fop_frame (frame);
- afr_writev_copy_outvars (frame, fop_frame);
- afr_transaction_resume (frame, this);
- afr_writev_unwind (fop_frame, this);
- }
+ call_frame_t *fop_frame = NULL;
+ int child_index = (long)cookie;
+ int call_count = -1;
+
+ afr_inode_write_fill(frame, this, child_index, op_ret, op_errno, prebuf,
+ postbuf, xdata);
+
+ call_count = afr_frame_return(frame);
+
+ if (call_count == 0) {
+ afr_process_post_writev(frame, this);
+
+ if (!afr_txn_nothing_failed(frame, this)) {
+ // Don't unwind until post-op is complete
+ afr_transaction_resume(frame, this);
+ } else {
+ /*
+ * Generally inode-write fops do transaction.unwind then
+ * transaction.resume, but writev needs to make sure that
+ * delayed post-op frame is placed in fdctx before unwind
+ * happens. This prevents the race of flush doing the
+ * changelog wakeup first in fuse thread and then this
+ * writev placing its delayed post-op frame in fdctx.
+ * This helps flush make sure all the delayed post-ops are
+ * completed.
+ */
+
+ fop_frame = afr_transaction_detach_fop_frame(frame);
+ afr_writev_copy_outvars(frame, fop_frame);
+ afr_transaction_resume(frame, this);
+ afr_writev_unwind(fop_frame, this);
}
- return 0;
+ }
+ return 0;
}
static int
-afr_arbiter_writev_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_arbiter_writev_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = frame->local;
- afr_private_t *priv = this->private;
- static char byte = 0xFF;
- static struct iovec vector = {&byte, 1};
- int32_t count = 1;
+ afr_local_t *local = frame->local;
+ afr_private_t *priv = this->private;
+ static char byte = 0xFF;
+ static struct iovec vector = {&byte, 1};
+ int32_t count = 1;
- STACK_WIND_COOKIE (frame, afr_writev_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->writev,
- local->fd, &vector, count, local->cont.writev.offset,
- local->cont.writev.flags, local->cont.writev.iobref,
- local->xdata_req);
+ STACK_WIND_COOKIE(
+ frame, afr_writev_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol], priv->children[subvol]->fops->writev, local->fd,
+ &vector, count, local->cont.writev.offset, local->cont.writev.flags,
+ local->cont.writev.iobref, local->xdata_req);
- return 0;
+ return 0;
}
int
-afr_writev_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_writev_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- if (AFR_IS_ARBITER_BRICK(priv, subvol)) {
- afr_arbiter_writev_wind (frame, this, subvol);
- return 0;
- }
-
- STACK_WIND_COOKIE (frame, afr_writev_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->writev,
- local->fd, local->cont.writev.vector,
- local->cont.writev.count, local->cont.writev.offset,
- local->cont.writev.flags, local->cont.writev.iobref,
- local->xdata_req);
+ if (AFR_IS_ARBITER_BRICK(priv, subvol)) {
+ afr_arbiter_writev_wind(frame, this, subvol);
return 0;
-}
+ }
+ STACK_WIND_COOKIE(frame, afr_writev_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->writev, local->fd,
+ local->cont.writev.vector, local->cont.writev.count,
+ local->cont.writev.offset, local->cont.writev.flags,
+ local->cont.writev.iobref, local->xdata_req);
+ return 0;
+}
int
-afr_do_writev (call_frame_t *frame, xlator_t *this)
+afr_do_writev(call_frame_t *frame, xlator_t *this)
{
- call_frame_t *transaction_frame = NULL;
- afr_local_t *local = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ call_frame_t *transaction_frame = NULL;
+ afr_local_t *local = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- local = frame->local;
- transaction_frame->local = local;
- frame->local = NULL;
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- if (!AFR_FRAME_INIT (frame, op_errno))
- goto out;
+ local = frame->local;
+ transaction_frame->local = local;
+ frame->local = NULL;
- local->op = GF_FOP_WRITE;
+ if (!AFR_FRAME_INIT(frame, op_errno))
+ goto out;
- local->transaction.wind = afr_writev_wind;
- local->transaction.unwind = afr_transaction_writev_unwind;
+ local->op = GF_FOP_WRITE;
- local->transaction.main_frame = frame;
+ local->transaction.wind = afr_writev_wind;
+ local->transaction.unwind = afr_transaction_writev_unwind;
- if (local->fd->flags & O_APPEND) {
- /*
- * Backend vfs ignores the 'offset' for append mode fd so
- * locking just the region provided for the writev does not
- * give consistency guarantee. The actual write may happen at a
- * completely different range than the one provided by the
- * offset, len in the fop. So lock the entire file.
- */
- local->transaction.start = 0;
- local->transaction.len = 0;
- } else {
- local->transaction.start = local->cont.writev.offset;
- local->transaction.len = iov_length (local->cont.writev.vector,
- local->cont.writev.count);
- }
-
- ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ local->transaction.main_frame = frame;
- return 0;
+ if (local->fd->flags & O_APPEND) {
+ /*
+ * Backend vfs ignores the 'offset' for append mode fd so
+ * locking just the region provided for the writev does not
+ * give consistency guarantee. The actual write may happen at a
+ * completely different range than the one provided by the
+ * offset, len in the fop. So lock the entire file.
+ */
+ local->transaction.start = 0;
+ local->transaction.len = 0;
+ } else {
+ local->transaction.start = local->cont.writev.offset;
+ local->transaction.len = iov_length(local->cont.writev.vector,
+ local->cont.writev.count);
+ }
+
+ ret = afr_transaction(transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
+
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (writev, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(writev, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
-
int
-afr_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iovec *vector, int32_t count, off_t offset,
- uint32_t flags, struct iobref *iobref, dict_t *xdata)
+afr_writev(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
+ int32_t count, off_t offset, uint32_t flags, struct iobref *iobref,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int op_errno = ENOMEM;
- int ret = -1;
+ afr_local_t *local = NULL;
+ int op_errno = ENOMEM;
+ int ret = -1;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.writev.vector = iov_dup (vector, count);
- if (!local->cont.writev.vector)
- goto out;
- local->cont.writev.count = count;
- local->cont.writev.offset = offset;
- local->cont.writev.flags = flags;
- local->cont.writev.iobref = iobref_ref (iobref);
+ local->cont.writev.vector = iov_dup(vector, count);
+ if (!local->cont.writev.vector)
+ goto out;
+ local->cont.writev.count = count;
+ local->cont.writev.offset = offset;
+ local->cont.writev.flags = flags;
+ local->cont.writev.iobref = iobref_ref(iobref);
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- if (dict_set_uint32 (local->xdata_req, GLUSTERFS_ACTIVE_FD_COUNT, 4)) {
- op_errno = ENOMEM;
- goto out;
- }
+ if (dict_set_uint32(local->xdata_req, GLUSTERFS_ACTIVE_FD_COUNT, 4)) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ if (dict_set_str_sizen(local->xdata_req, GLUSTERFS_INODELK_DOM_COUNT,
+ this->name)) {
+ op_errno = ENOMEM;
+ goto out;
+ }
- if (dict_set_uint32 (local->xdata_req, GLUSTERFS_WRITE_IS_APPEND, 4)) {
- op_errno = ENOMEM;
- goto out;
- }
+ if (dict_set_uint32(local->xdata_req, GLUSTERFS_WRITE_IS_APPEND, 4)) {
+ op_errno = ENOMEM;
+ goto out;
+ }
- /* Set append_write to be true speculatively. If on any
- server it turns not be true, we unset it in the
- callback.
- */
- local->append_write = _gf_true;
+ /* Set append_write to be true speculatively. If on any
+ server it turns not be true, we unset it in the
+ callback.
+ */
+ local->append_write = _gf_true;
- /* detect here, but set it in writev_wind_cbk *after* the unstable
- write is performed
- */
- local->stable_write = !!((fd->flags|flags)&(O_SYNC|O_DSYNC));
+ /* detect here, but set it in writev_wind_cbk *after* the unstable
+ write is performed
+ */
+ local->stable_write = !!((fd->flags | flags) & (O_SYNC | O_DSYNC));
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- afr_do_writev (frame, this);
+ afr_do_writev(frame, this);
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (writev, frame, -1, op_errno, NULL, NULL, NULL);
+ AFR_STACK_UNWIND(writev, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
/* }}} */
/* {{{ truncate */
int
-afr_truncate_unwind (call_frame_t *frame, xlator_t *this)
+afr_truncate_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (truncate, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(truncate, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ return 0;
+}
int
-afr_truncate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+afr_truncate_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret == 0 && prebuf->ia_size != postbuf->ia_size)
- local->stable_write = _gf_false;
+ if (op_ret == 0 && prebuf->ia_size != postbuf->ia_size)
+ local->stable_write = _gf_false;
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- prebuf, postbuf, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, prebuf,
+ postbuf, NULL, xdata);
}
-
int
-afr_truncate_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_truncate_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_truncate_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->truncate,
- &local->loc, local->cont.truncate.offset,
- local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_truncate_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->truncate, &local->loc,
+ local->cont.truncate.offset, local->xdata_req);
+ return 0;
}
-
int
-afr_truncate (call_frame_t *frame, xlator_t *this,
- loc_t *loc, off_t offset, dict_t *xdata)
+afr_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
+ dict_t *xdata)
{
- afr_local_t * local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.truncate.offset = offset;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ local->cont.truncate.offset = offset;
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->transaction.wind = afr_truncate_wind;
- local->transaction.unwind = afr_truncate_unwind;
+ local->transaction.wind = afr_truncate_wind;
+ local->transaction.unwind = afr_truncate_unwind;
- loc_copy (&local->loc, loc);
- ret = afr_set_inode_local (this, local, loc->inode);
- if (ret)
- goto out;
+ loc_copy(&local->loc, loc);
+ ret = afr_set_inode_local(this, local, loc->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_TRUNCATE;
+ local->op = GF_FOP_TRUNCATE;
- local->transaction.main_frame = frame;
- local->transaction.start = offset;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = offset;
+ local->transaction.len = 0;
- /* Set it true speculatively, will get reset in afr_truncate_wind_cbk
- if truncate was not a NOP */
- local->stable_write = _gf_true;
+ /* Set it true speculatively, will get reset in afr_truncate_wind_cbk
+ if truncate was not a NOP */
+ local->stable_write = _gf_true;
- ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (truncate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(truncate, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
-
/* }}} */
/* {{{ ftruncate */
-
int
-afr_ftruncate_unwind (call_frame_t *frame, xlator_t *this)
+afr_ftruncate_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (ftruncate, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(ftruncate, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ return 0;
+}
int
-afr_ftruncate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+afr_ftruncate_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret == 0 && prebuf->ia_size != postbuf->ia_size)
- local->stable_write = _gf_false;
+ if (op_ret == 0 && prebuf->ia_size != postbuf->ia_size)
+ local->stable_write = _gf_false;
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- prebuf, postbuf, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, prebuf,
+ postbuf, NULL, xdata);
}
-
int
-afr_ftruncate_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_ftruncate_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_ftruncate_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->ftruncate,
- local->fd, local->cont.ftruncate.offset,
- local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_ftruncate_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->ftruncate, local->fd,
+ local->cont.ftruncate.offset, local->xdata_req);
+ return 0;
}
-
int
-afr_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- dict_t *xdata)
+afr_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.ftruncate.offset = offset;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ local->cont.ftruncate.offset = offset;
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_FTRUNCATE;
+ local->op = GF_FOP_FTRUNCATE;
- local->transaction.wind = afr_ftruncate_wind;
- local->transaction.unwind = afr_ftruncate_unwind;
+ local->transaction.wind = afr_ftruncate_wind;
+ local->transaction.unwind = afr_ftruncate_unwind;
- local->transaction.main_frame = frame;
+ local->transaction.main_frame = frame;
- local->transaction.start = local->cont.ftruncate.offset;
- local->transaction.len = 0;
+ local->transaction.start = local->cont.ftruncate.offset;
+ local->transaction.len = 0;
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- /* Set it true speculatively, will get reset in afr_ftruncate_wind_cbk
- if truncate was not a NOP */
- local->stable_write = _gf_true;
+ /* Set it true speculatively, will get reset in afr_ftruncate_wind_cbk
+ if truncate was not a NOP */
+ local->stable_write = _gf_true;
- ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- AFR_STACK_UNWIND (ftruncate, frame, -1, op_errno, NULL, NULL, NULL);
+ AFR_STACK_UNWIND(ftruncate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
/* }}} */
@@ -807,1813 +788,1778 @@ out:
/* {{{ setattr */
int
-afr_setattr_unwind (call_frame_t *frame, xlator_t *this)
+afr_setattr_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (setattr, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf,
- local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(setattr, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ return 0;
+}
int
-afr_setattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- struct iatt *preop, struct iatt *postop, dict_t *xdata)
+afr_setattr_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *preop,
+ struct iatt *postop, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- preop, postop, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, preop,
+ postop, NULL, xdata);
}
-
int
-afr_setattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_setattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_setattr_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->setattr,
- &local->loc, &local->cont.setattr.in_buf,
- local->cont.setattr.valid, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_setattr_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->setattr, &local->loc,
+ &local->cont.setattr.in_buf, local->cont.setattr.valid,
+ local->xdata_req);
+ return 0;
}
-
int
-afr_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *buf,
- int32_t valid, dict_t *xdata)
+afr_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *buf,
+ int32_t valid, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.setattr.in_buf = *buf;
- local->cont.setattr.valid = valid;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ local->cont.setattr.in_buf = *buf;
+ local->cont.setattr.valid = valid;
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->transaction.wind = afr_setattr_wind;
- local->transaction.unwind = afr_setattr_unwind;
+ local->transaction.wind = afr_setattr_wind;
+ local->transaction.unwind = afr_setattr_unwind;
- loc_copy (&local->loc, loc);
- ret = afr_set_inode_local (this, local, loc->inode);
- if (ret)
- goto out;
+ loc_copy(&local->loc, loc);
+ ret = afr_set_inode_local(this, local, loc->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_SETATTR;
+ local->op = GF_FOP_SETATTR;
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (setattr, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(setattr, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
/* {{{ fsetattr */
int
-afr_fsetattr_unwind (call_frame_t *frame, xlator_t *this)
+afr_fsetattr_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (fsetattr, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(fsetattr, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ return 0;
+}
int
-afr_fsetattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- struct iatt *preop, struct iatt *postop, dict_t *xdata)
+afr_fsetattr_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preop,
+ struct iatt *postop, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- preop, postop, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, preop,
+ postop, NULL, xdata);
}
-
int
-afr_fsetattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fsetattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_fsetattr_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fsetattr,
- local->fd, &local->cont.fsetattr.in_buf,
- local->cont.fsetattr.valid, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_fsetattr_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->fsetattr, local->fd,
+ &local->cont.fsetattr.in_buf, local->cont.fsetattr.valid,
+ local->xdata_req);
+ return 0;
}
-
int
-afr_fsetattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, struct iatt *buf, int32_t valid, dict_t *xdata)
+afr_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *buf,
+ int32_t valid, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.fsetattr.in_buf = *buf;
- local->cont.fsetattr.valid = valid;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ local->cont.fsetattr.in_buf = *buf;
+ local->cont.fsetattr.valid = valid;
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->transaction.wind = afr_fsetattr_wind;
- local->transaction.unwind = afr_fsetattr_unwind;
+ local->transaction.wind = afr_fsetattr_wind;
+ local->transaction.unwind = afr_fsetattr_unwind;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_FSETATTR;
+ local->op = GF_FOP_FSETATTR;
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (fsetattr, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(fsetattr, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
-
/* {{{ setxattr */
-
int
-afr_setxattr_unwind (call_frame_t *frame, xlator_t *this)
+afr_setxattr_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (setxattr, main_frame, local->op_ret, local->op_errno,
- local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(setxattr, main_frame, local->op_ret, local->op_errno,
+ local->xdata_rsp);
+ return 0;
+}
int
-afr_setxattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_setxattr_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- NULL, NULL, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ NULL, NULL, xdata);
}
-
int
-afr_setxattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_setxattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_setxattr_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->setxattr,
- &local->loc, local->cont.setxattr.dict,
- local->cont.setxattr.flags, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_setxattr_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->setxattr, &local->loc,
+ local->cont.setxattr.dict, local->cont.setxattr.flags,
+ local->xdata_req);
+ return 0;
}
int
-afr_emptyb_set_pending_changelog_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- dict_t *xattr, dict_t *xdata)
+afr_emptyb_set_pending_changelog_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret, int op_errno,
+ dict_t *xattr, dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i, ret = 0;
- char *op_type = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i, ret = 0;
+ char *op_type = NULL;
- local = frame->local;
- priv = this->private;
- i = (long) cookie;
+ local = frame->local;
+ priv = this->private;
+ i = (long)cookie;
- local->replies[i].valid = 1;
- local->replies[i].op_ret = op_ret;
- local->replies[i].op_errno = op_errno;
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
- ret = dict_get_str (local->xdata_req, "replicate-brick-op", &op_type);
- if (ret)
- goto out;
+ ret = dict_get_str_sizen(local->xdata_req, "replicate-brick-op", &op_type);
+ if (ret)
+ goto out;
- gf_msg (this->name, op_ret ? GF_LOG_ERROR : GF_LOG_INFO,
- op_ret ? op_errno : 0,
- afr_get_msg_id (op_type),
- "Set of pending xattr %s on"
- " %s.", op_ret ? "failed" : "succeeded",
- priv->children[i]->name);
+ gf_smsg(this->name, op_ret ? GF_LOG_ERROR : GF_LOG_INFO,
+ op_ret ? op_errno : 0, AFR_MSG_SET_PEND_XATTR, "name=%s",
+ priv->children[i]->name, "op_ret=%s",
+ op_ret ? "failed" : "succeeded", NULL);
out:
- syncbarrier_wake (&local->barrier);
- return 0;
+ syncbarrier_wake(&local->barrier);
+ return 0;
}
int
-afr_emptyb_set_pending_changelog (call_frame_t *frame, xlator_t *this,
- unsigned char *locked_nodes)
+afr_emptyb_set_pending_changelog(call_frame_t *frame, xlator_t *this,
+ unsigned char *locked_nodes)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int ret = 0, i = 0;
-
- local = frame->local;
- priv = this->private;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int ret = 0, i = 0;
- AFR_ONLIST (locked_nodes, frame, afr_emptyb_set_pending_changelog_cbk,
- xattrop, &local->loc, GF_XATTROP_ADD_ARRAY,
- local->xattr_req, NULL);
-
- /* It is sufficient if xattrop was successful on one child */
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
-
- if (local->replies[i].op_ret == 0) {
- ret = 0;
- goto out;
- } else {
- ret = afr_higher_errno (ret,
- local->replies[i].op_errno);
- }
- }
-out:
- return -ret;
-}
+ local = frame->local;
+ priv = this->private;
-int
-_afr_handle_empty_brick_type (xlator_t *this, call_frame_t *frame,
- loc_t *loc, int empty_index,
- afr_transaction_type type,
- char *op_type)
-{
- int count = 0;
- int ret = -ENOMEM;
- int idx = -1;
- int d_idx = -1;
- unsigned char *locked_nodes = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ AFR_ONLIST(locked_nodes, frame, afr_emptyb_set_pending_changelog_cbk,
+ xattrop, &local->loc, GF_XATTROP_ADD_ARRAY, local->xattr_req,
+ NULL);
- priv = this->private;
- local = frame->local;
+ /* It is sufficient if xattrop was successful on one child */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
- locked_nodes = alloca0 (priv->child_count);
-
- idx = afr_index_for_transaction_type (type);
- d_idx = afr_index_for_transaction_type (AFR_DATA_TRANSACTION);
-
- local->pending = afr_matrix_create (priv->child_count,
- AFR_NUM_CHANGE_LOGS);
- if (!local->pending)
- goto out;
-
- local->pending[empty_index][idx] = hton32 (1);
-
- if ((priv->esh_granular) && (type == AFR_ENTRY_TRANSACTION))
- local->pending[empty_index][d_idx] = hton32 (1);
-
- local->xdata_req = dict_new ();
- if (!local->xdata_req)
- goto out;
-
- ret = dict_set_str (local->xdata_req, "replicate-brick-op", op_type);
- if (ret)
- goto out;
-
- local->xattr_req = dict_new ();
- if (!local->xattr_req)
- goto out;
-
- ret = afr_set_pending_dict (priv, local->xattr_req, local->pending);
- if (ret < 0)
- goto out;
-
- if (AFR_ENTRY_TRANSACTION == type) {
- count = afr_selfheal_entrylk (frame, this, loc->inode,
- this->name, NULL, locked_nodes);
+ if (local->replies[i].op_ret == 0) {
+ ret = 0;
+ goto out;
} else {
- count = afr_selfheal_inodelk (frame, this, loc->inode,
- this->name, LLONG_MAX - 1, 0,
- locked_nodes);
- }
-
- if (!count) {
- gf_msg (this->name, GF_LOG_ERROR, EAGAIN,
- AFR_MSG_REPLACE_BRICK_STATUS, "Couldn't acquire lock on"
- " any child.");
- ret = -EAGAIN;
- goto unlock;
+ ret = afr_higher_errno(ret, local->replies[i].op_errno);
}
+ }
+out:
+ return -ret;
+}
- ret = afr_emptyb_set_pending_changelog (frame, this, locked_nodes);
- if (ret)
- goto unlock;
- ret = 0;
+static int
+_afr_handle_empty_brick_type(xlator_t *this, call_frame_t *frame, loc_t *loc,
+ int empty_index, afr_transaction_type type,
+ char *op_type, const int op_type_len)
+{
+ int count = 0;
+ int ret = -ENOMEM;
+ int idx = -1;
+ int d_idx = -1;
+ unsigned char *locked_nodes = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ locked_nodes = alloca0(priv->child_count);
+
+ idx = afr_index_for_transaction_type(type);
+ d_idx = afr_index_for_transaction_type(AFR_DATA_TRANSACTION);
+
+ local->pending = afr_matrix_create(priv->child_count, AFR_NUM_CHANGE_LOGS);
+ if (!local->pending)
+ goto out;
+
+ local->pending[empty_index][idx] = hton32(1);
+
+ if ((priv->esh_granular) && (type == AFR_ENTRY_TRANSACTION))
+ local->pending[empty_index][d_idx] = hton32(1);
+
+ local->xdata_req = dict_new();
+ if (!local->xdata_req)
+ goto out;
+
+ ret = dict_set_nstrn(local->xdata_req, "replicate-brick-op",
+ SLEN("replicate-brick-op"), op_type, op_type_len);
+ if (ret)
+ goto out;
+
+ local->xattr_req = dict_new();
+ if (!local->xattr_req)
+ goto out;
+
+ ret = afr_set_pending_dict(priv, local->xattr_req, local->pending);
+ if (ret < 0)
+ goto out;
+
+ if (AFR_ENTRY_TRANSACTION == type) {
+ count = afr_selfheal_entrylk(frame, this, loc->inode, this->name, NULL,
+ locked_nodes);
+ } else {
+ count = afr_selfheal_inodelk(frame, this, loc->inode, this->name,
+ LLONG_MAX - 1, 0, locked_nodes);
+ }
+
+ if (!count) {
+ gf_smsg(this->name, GF_LOG_ERROR, EAGAIN, AFR_MSG_REPLACE_BRICK_STATUS,
+ NULL);
+ ret = -EAGAIN;
+ goto unlock;
+ }
+
+ ret = afr_emptyb_set_pending_changelog(frame, this, locked_nodes);
+ if (ret)
+ goto unlock;
+ ret = 0;
unlock:
- if (AFR_ENTRY_TRANSACTION == type) {
- afr_selfheal_unentrylk (frame, this, loc->inode, this->name,
- NULL, locked_nodes, NULL);
- } else {
- afr_selfheal_uninodelk (frame, this, loc->inode, this->name,
- LLONG_MAX - 1, 0, locked_nodes);
- }
+ if (AFR_ENTRY_TRANSACTION == type) {
+ afr_selfheal_unentrylk(frame, this, loc->inode, this->name, NULL,
+ locked_nodes, NULL);
+ } else {
+ afr_selfheal_uninodelk(frame, this, loc->inode, this->name,
+ LLONG_MAX - 1, 0, locked_nodes);
+ }
out:
- return ret;
+ return ret;
}
void
-afr_brick_args_cleanup (void *opaque)
-{
- afr_empty_brick_args_t *data = NULL;
-
- data = opaque;
- loc_wipe (&data->loc);
- GF_FREE (data);
-}
-
-int
-_afr_handle_empty_brick_cbk (int ret, call_frame_t *frame, void *opaque)
-{
- afr_brick_args_cleanup (opaque);
- return 0;
-}
-
-int
-_afr_handle_empty_brick (void *opaque)
-{
-
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int empty_index = -1;
- int ret = -1;
- int op_errno = ENOMEM;
- call_frame_t *frame = NULL;
- xlator_t *this = NULL;
- char *op_type = NULL;
- afr_empty_brick_args_t *data = NULL;
-
- data = opaque;
- frame = data->frame;
- empty_index = data->empty_index;
- op_type = data->op_type;
- this = frame->this;
- priv = this->private;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- loc_copy (&local->loc, &data->loc);
-
- gf_msg (this->name, GF_LOG_INFO, 0, 0, "New brick is : %s",
- priv->children[empty_index]->name);
-
- ret = _afr_handle_empty_brick_type (this, frame, &local->loc, empty_index,
- AFR_METADATA_TRANSACTION, op_type);
- if (ret) {
- op_errno = -ret;
- ret = -1;
- goto out;
- }
-
- dict_unref (local->xdata_req);
- dict_unref (local->xattr_req);
- afr_matrix_cleanup (local->pending, priv->child_count);
- local->pending = NULL;
- local->xattr_req = NULL;
- local->xdata_req = NULL;
-
- ret = _afr_handle_empty_brick_type (this, frame, &local->loc, empty_index,
- AFR_ENTRY_TRANSACTION, op_type);
- if (ret) {
- op_errno = -ret;
- ret = -1;
- goto out;
- }
- ret = 0;
+afr_brick_args_cleanup(void *opaque)
+{
+ afr_empty_brick_args_t *data = NULL;
+
+ data = opaque;
+ loc_wipe(&data->loc);
+ GF_FREE(data);
+}
+
+int
+_afr_handle_empty_brick_cbk(int ret, call_frame_t *frame, void *opaque)
+{
+ afr_brick_args_cleanup(opaque);
+ return 0;
+}
+
+int
+_afr_handle_empty_brick(void *opaque)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int empty_index = -1;
+ int ret = -1;
+ int op_errno = ENOMEM;
+ call_frame_t *frame = NULL;
+ xlator_t *this = NULL;
+ char *op_type = NULL;
+ int op_type_len = 0;
+ afr_empty_brick_args_t *data = NULL;
+ call_frame_t *op_frame = NULL;
+
+ data = opaque;
+ frame = data->frame;
+ empty_index = data->empty_index;
+ if (!data->op_type)
+ goto out;
+
+ op_frame = copy_frame(frame);
+ if (!op_frame) {
+ ret = -1;
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ op_type = data->op_type;
+ op_type_len = strlen(op_type);
+ this = op_frame->this;
+ priv = this->private;
+
+ afr_set_lk_owner(op_frame, this, op_frame->root);
+ local = AFR_FRAME_INIT(op_frame, op_errno);
+ if (!local)
+ goto out;
+
+ loc_copy(&local->loc, &data->loc);
+
+ gf_smsg(this->name, GF_LOG_INFO, 0, AFR_MSG_NEW_BRICK, "name=%s",
+ priv->children[empty_index]->name, NULL);
+
+ ret = _afr_handle_empty_brick_type(this, op_frame, &local->loc, empty_index,
+ AFR_METADATA_TRANSACTION, op_type,
+ op_type_len);
+ if (ret) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ dict_unref(local->xdata_req);
+ dict_unref(local->xattr_req);
+ afr_matrix_cleanup(local->pending, priv->child_count);
+ local->pending = NULL;
+ local->xattr_req = NULL;
+ local->xdata_req = NULL;
+
+ ret = _afr_handle_empty_brick_type(this, op_frame, &local->loc, empty_index,
+ AFR_ENTRY_TRANSACTION, op_type,
+ op_type_len);
+ if (ret) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
out:
- AFR_STACK_UNWIND (setxattr, frame, ret, op_errno, NULL);
- return 0;
+ if (op_frame) {
+ AFR_STACK_DESTROY(op_frame);
+ }
+ AFR_STACK_UNWIND(setxattr, frame, ret, op_errno, NULL);
+ return 0;
+}
+
+int
+afr_split_brain_resolve_do(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ char *data)
+{
+ afr_local_t *local = NULL;
+ int ret = -1;
+ int op_errno = EINVAL;
+
+ local = frame->local;
+ local->xdata_req = dict_new();
+
+ if (!local->xdata_req) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ ret = dict_set_int32_sizen(local->xdata_req, "heal-op",
+ GF_SHD_OP_SBRAIN_HEAL_FROM_BRICK);
+ if (ret) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+ ret = dict_set_str_sizen(local->xdata_req, "child-name", data);
+ if (ret) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+ /* set spb choice to -1 whether heal succeeds or not:
+ * If heal succeeds : spb-choice should be set to -1 as
+ * it is no longer valid; file is not
+ * in split-brain anymore.
+ * If heal doesn't succeed:
+ * spb-choice should be set to -1
+ * otherwise reads will be served
+ * from spb-choice which is misleading.
+ */
+ ret = afr_inode_split_brain_choice_set(loc->inode, this, -1);
+ if (ret)
+ gf_smsg(this->name, GF_LOG_WARNING, 0, AFR_MSG_SPLIT_BRAIN_SET_FAILED,
+ NULL);
+ afr_heal_splitbrain_file(frame, this, loc);
+ ret = 0;
+out:
+ if (ret < 0)
+ AFR_STACK_UNWIND(setxattr, frame, -1, op_errno, NULL);
+ return 0;
}
-
int
-afr_split_brain_resolve_do (call_frame_t *frame, xlator_t *this, loc_t *loc,
- char *data)
+afr_get_split_brain_child_index(xlator_t *this, void *value, size_t len)
{
- afr_local_t *local = NULL;
- int ret = -1;
- int op_errno = EINVAL;
+ int spb_child_index = -1;
+ char *spb_child_str = NULL;
- local = frame->local;
- local->xdata_req = dict_new ();
+ spb_child_str = alloca0(len + 1);
+ memcpy(spb_child_str, value, len);
- if (!local->xdata_req) {
- op_errno = ENOMEM;
- goto out;
- }
+ if (!strcmp(spb_child_str, "none"))
+ return -2;
- ret = dict_set_int32 (local->xdata_req, "heal-op",
- GF_SHD_OP_SBRAIN_HEAL_FROM_BRICK);
- if (ret) {
- op_errno = -ret;
- ret = -1;
- goto out;
- }
- ret = dict_set_str (local->xdata_req, "child-name", data);
- if (ret) {
- op_errno = -ret;
- ret = -1;
- goto out;
- }
- /* set spb choice to -1 whether heal succeeds or not:
- * If heal succeeds : spb-choice should be set to -1 as
- * it is no longer valid; file is not
- * in split-brain anymore.
- * If heal doesn't succeed:
- * spb-choice should be set to -1
- * otherwise reads will be served
- * from spb-choice which is misleading.
- */
- ret = afr_inode_split_brain_choice_set (loc->inode, this, -1);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR, "Failed to set"
- "split-brain choice to -1");
- afr_heal_splitbrain_file (frame, this, loc);
- ret = 0;
-out:
- if (ret < 0)
- AFR_STACK_UNWIND (setxattr, frame, -1, op_errno, NULL);
- return 0;
+ spb_child_index = afr_get_child_index_from_name(this, spb_child_str);
+ if (spb_child_index < 0) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_SUBVOL,
+ "subvol=%s", spb_child_str, NULL);
+ }
+ return spb_child_index;
}
int
-afr_get_split_brain_child_index (xlator_t *this, void *value, size_t len)
+afr_can_set_split_brain_choice(void *opaque)
{
- int spb_child_index = -1;
- char *spb_child_str = NULL;
+ afr_spbc_timeout_t *data = opaque;
+ call_frame_t *frame = NULL;
+ xlator_t *this = NULL;
+ loc_t *loc = NULL;
+ int ret = -1;
- spb_child_str = alloca0 (len + 1);
- memcpy (spb_child_str, value, len);
+ frame = data->frame;
+ loc = data->loc;
+ this = frame->this;
- if (!strcmp (spb_child_str, "none"))
- return -2;
+ ret = afr_is_split_brain(frame, this, loc->inode, loc->gfid, &data->d_spb,
+ &data->m_spb);
- spb_child_index = afr_get_child_index_from_name (this,
- spb_child_str);
- if (spb_child_index < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_SUBVOL, "Invalid subvol: %s",
- spb_child_str);
- }
- return spb_child_index;
+ if (ret)
+ gf_smsg(this->name, GF_LOG_ERROR, 0,
+ AFR_MSG_SPLIT_BRAIN_DETERMINE_FAILED, "gfid=%s",
+ uuid_utoa(loc->gfid), NULL);
+ return ret;
}
int
-afr_can_set_split_brain_choice (void *opaque)
+afr_handle_split_brain_commands(xlator_t *this, call_frame_t *frame, loc_t *loc,
+ dict_t *dict)
{
- afr_spbc_timeout_t *data = opaque;
- call_frame_t *frame = NULL;
- xlator_t *this = NULL;
- loc_t *loc = NULL;
- int ret = -1;
+ void *choice_value = NULL;
+ void *resolve_value = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_spbc_timeout_t *data = NULL;
+ int len = 0;
+ int spb_child_index = -1;
+ int ret = -1;
+ int op_errno = EINVAL;
- frame = data->frame;
- loc = data->loc;
- this = frame->this;
+ priv = this->private;
- ret = afr_is_split_brain (frame, this, loc->inode, loc->gfid,
- &data->d_spb, &data->m_spb);
+ ret = dict_get_ptr_and_len(dict, GF_AFR_SBRAIN_CHOICE, &choice_value, &len);
+ ret = dict_get_ptr_and_len(dict, GF_AFR_SBRAIN_RESOLVE, &resolve_value,
+ &len);
+ if (!choice_value && !resolve_value) {
+ ret = -1;
+ goto out;
+ }
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
- "Failed to determine if %s"
- " is in split-brain. "
- "Aborting split-brain-choice set.",
- uuid_utoa (loc->gfid));
- return ret;
-}
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local) {
+ ret = 1;
+ goto out;
+ }
-int
-afr_handle_split_brain_commands (xlator_t *this, call_frame_t *frame,
- loc_t *loc, dict_t *dict)
-{
- void *value = NULL;
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- afr_spbc_timeout_t *data = NULL;
- int len = 0;
- int spb_child_index = -1;
- int ret = -1;
- int op_errno = EINVAL;
-
- priv = this->private;
+ local->op = GF_FOP_SETXATTR;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local) {
+ if (choice_value) {
+ spb_child_index = afr_get_split_brain_child_index(this, choice_value,
+ len);
+ if (spb_child_index < 0) {
+ /* Case where value was "none" */
+ if (spb_child_index == -2)
+ spb_child_index = -1;
+ else {
ret = 1;
+ op_errno = EINVAL;
goto out;
+ }
}
- local->op = GF_FOP_SETXATTR;
-
- ret = dict_get_ptr_and_len (dict, GF_AFR_SBRAIN_CHOICE, &value,
- &len);
- if (value) {
- spb_child_index = afr_get_split_brain_child_index (this, value,
- len);
- if (spb_child_index < 0) {
- /* Case where value was "none" */
- if (spb_child_index == -2)
- spb_child_index = -1;
- else {
- ret = 1;
- op_errno = EINVAL;
- goto out;
- }
- }
-
- data = GF_CALLOC (1, sizeof (*data), gf_afr_mt_spbc_timeout_t);
- if (!data) {
- ret = 1;
- goto out;
- }
- data->spb_child_index = spb_child_index;
- data->frame = frame;
- loc_copy (&local->loc, loc);
- data->loc = &local->loc;
- ret = synctask_new (this->ctx->env,
- afr_can_set_split_brain_choice,
- afr_set_split_brain_choice, NULL, data);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
- "Failed to create"
- " synctask. Aborting split-brain choice set"
- " for %s", loc->name);
- ret = 1;
- op_errno = ENOMEM;
- goto out;
- }
- ret = 0;
- goto out;
+ data = GF_CALLOC(1, sizeof(*data), gf_afr_mt_spbc_timeout_t);
+ if (!data) {
+ ret = 1;
+ goto out;
}
+ data->spb_child_index = spb_child_index;
+ data->frame = frame;
+ loc_copy(&local->loc, loc);
+ data->loc = &local->loc;
+ ret = synctask_new(this->ctx->env, afr_can_set_split_brain_choice,
+ afr_set_split_brain_choice, NULL, data);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN_STATUS,
+ "name=%s", loc->name, NULL);
+ ret = 1;
+ op_errno = ENOMEM;
+ goto out;
+ }
+ ret = 0;
+ goto out;
+ }
- ret = dict_get_ptr_and_len (dict, GF_AFR_SBRAIN_RESOLVE, &value, &len);
- if (value) {
- spb_child_index = afr_get_split_brain_child_index (this, value,
- len);
- if (spb_child_index < 0) {
- ret = 1;
- goto out;
- }
-
- afr_split_brain_resolve_do (frame, this, loc,
- priv->children[spb_child_index]->name);
- ret = 0;
+ if (resolve_value) {
+ spb_child_index = afr_get_split_brain_child_index(this, resolve_value,
+ len);
+ if (spb_child_index < 0) {
+ ret = 1;
+ goto out;
}
+
+ afr_split_brain_resolve_do(frame, this, loc,
+ priv->children[spb_child_index]->name);
+ ret = 0;
+ }
out:
- /* key was correct but value was invalid when ret == 1 */
- if (ret == 1) {
- AFR_STACK_UNWIND (setxattr, frame, -1, op_errno, NULL);
- if (data)
- GF_FREE (data);
- ret = 0;
- }
- return ret;
+ /* key was correct but value was invalid when ret == 1 */
+ if (ret == 1) {
+ AFR_STACK_UNWIND(setxattr, frame, -1, op_errno, NULL);
+ if (data)
+ GF_FREE(data);
+ ret = 0;
+ }
+ return ret;
}
int
-afr_handle_spb_choice_timeout (xlator_t *this, call_frame_t *frame,
- dict_t *dict)
+afr_handle_spb_choice_timeout(xlator_t *this, call_frame_t *frame, dict_t *dict)
{
- int ret = -1;
- int op_errno = 0;
- uint64_t timeout = 0;
- afr_private_t *priv = NULL;
+ int ret = -1;
+ int op_errno = 0;
+ uint64_t timeout = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- ret = dict_get_uint64 (dict, GF_AFR_SPB_CHOICE_TIMEOUT, &timeout);
- if (!ret) {
- priv->spb_choice_timeout = timeout * 60;
- AFR_STACK_UNWIND (setxattr, frame, ret, op_errno, NULL);
- }
+ ret = dict_get_uint64(dict, GF_AFR_SPB_CHOICE_TIMEOUT, &timeout);
+ if (!ret) {
+ priv->spb_choice_timeout = timeout * 60;
+ AFR_STACK_UNWIND(setxattr, frame, ret, op_errno, NULL);
+ }
- return ret;
+ return ret;
}
int
-afr_handle_empty_brick (xlator_t *this, call_frame_t *frame, loc_t *loc,
- dict_t *dict)
+afr_handle_empty_brick(xlator_t *this, call_frame_t *frame, loc_t *loc,
+ dict_t *dict)
{
- int ret = -1;
- int ab_ret = -1;
- int empty_index = -1;
- int op_errno = EPERM;
- char *empty_brick = NULL;
- char *op_type = NULL;
- afr_empty_brick_args_t *data = NULL;
+ int ret = -1;
+ int ab_ret = -1;
+ int empty_index = -1;
+ int op_errno = EPERM;
+ char *empty_brick = NULL;
+ char *op_type = NULL;
+ afr_empty_brick_args_t *data = NULL;
- ret = dict_get_str (dict, GF_AFR_REPLACE_BRICK, &empty_brick);
- if (!ret)
- op_type = GF_AFR_REPLACE_BRICK;
+ ret = dict_get_str_sizen(dict, GF_AFR_REPLACE_BRICK, &empty_brick);
+ if (!ret)
+ op_type = GF_AFR_REPLACE_BRICK;
- ab_ret = dict_get_str (dict, GF_AFR_ADD_BRICK, &empty_brick);
- if (!ab_ret)
- op_type = GF_AFR_ADD_BRICK;
+ ab_ret = dict_get_str_sizen(dict, GF_AFR_ADD_BRICK, &empty_brick);
+ if (!ab_ret)
+ op_type = GF_AFR_ADD_BRICK;
- if (ret && ab_ret)
- goto out;
+ if (ret && ab_ret)
+ goto out;
- if (frame->root->pid != GF_CLIENT_PID_SELF_HEALD) {
- gf_msg (this->name, GF_LOG_ERROR, EPERM,
- afr_get_msg_id (op_type),
- "'%s' is an internal extended attribute.",
- op_type);
- ret = 1;
- goto out;
+ if (frame->root->pid != GF_CLIENT_PID_ADD_REPLICA_MOUNT) {
+ gf_smsg(this->name, GF_LOG_ERROR, EPERM, AFR_MSG_INTERNAL_ATTR,
+ "op_type=%s", op_type, NULL);
+ ret = 1;
+ goto out;
+ }
+ empty_index = afr_get_child_index_from_name(this, empty_brick);
+
+ if (empty_index < 0) {
+ /* Didn't belong to this replica pair
+ * Just do a no-op
+ */
+ AFR_STACK_UNWIND(setxattr, frame, 0, 0, NULL);
+ return 0;
+ } else {
+ data = GF_CALLOC(1, sizeof(*data), gf_afr_mt_empty_brick_t);
+ if (!data) {
+ ret = 1;
+ op_errno = ENOMEM;
+ goto out;
}
- empty_index = afr_get_child_index_from_name (this, empty_brick);
-
- if (empty_index < 0) {
- /* Didn't belong to this replica pair
- * Just do a no-op
- */
- AFR_STACK_UNWIND (setxattr, frame, 0, 0, NULL);
- return 0;
- } else {
- data = GF_CALLOC (1, sizeof (*data),
- gf_afr_mt_empty_brick_t);
- if (!data) {
- ret = 1;
- op_errno = ENOMEM;
- goto out;
- }
- data->frame = frame;
- loc_copy (&data->loc, loc);
- data->empty_index = empty_index;
- data->op_type = op_type;
- ret = synctask_new (this->ctx->env,
- _afr_handle_empty_brick,
- _afr_handle_empty_brick_cbk,
- NULL, data);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- afr_get_msg_id (op_type),
- "Failed to create synctask.");
- ret = 1;
- op_errno = ENOMEM;
- afr_brick_args_cleanup (data);
- goto out;
- }
+ data->frame = frame;
+ loc_copy(&data->loc, loc);
+ data->empty_index = empty_index;
+ data->op_type = op_type;
+ ret = synctask_new(this->ctx->env, _afr_handle_empty_brick,
+ _afr_handle_empty_brick_cbk, NULL, data);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN_STATUS,
+ NULL);
+ ret = 1;
+ op_errno = ENOMEM;
+ afr_brick_args_cleanup(data);
+ goto out;
}
- ret = 0;
+ }
+ ret = 0;
out:
- if (ret == 1) {
- AFR_STACK_UNWIND (setxattr, frame, -1, op_errno, NULL);
- ret = 0;
- }
- return ret;
+ if (ret == 1) {
+ AFR_STACK_UNWIND(setxattr, frame, -1, op_errno, NULL);
+ ret = 0;
+ }
+ return ret;
}
static int
-afr_handle_special_xattr (xlator_t *this, call_frame_t *frame, loc_t *loc,
- dict_t *dict)
+afr_handle_special_xattr(xlator_t *this, call_frame_t *frame, loc_t *loc,
+ dict_t *dict)
{
- int ret = -1;
+ int ret = -1;
- ret = afr_handle_split_brain_commands (this, frame, loc, dict);
- if (ret == 0)
- goto out;
+ ret = afr_handle_split_brain_commands(this, frame, loc, dict);
+ if (ret == 0)
+ goto out;
- ret = afr_handle_spb_choice_timeout (this, frame, dict);
- if (ret == 0)
- goto out;
+ ret = afr_handle_spb_choice_timeout(this, frame, dict);
+ if (ret == 0)
+ goto out;
- /* Applicable for replace-brick and add-brick commands */
- ret = afr_handle_empty_brick (this, frame, loc, dict);
+ /* Applicable for replace-brick and add-brick commands */
+ ret = afr_handle_empty_brick(this, frame, loc, dict);
out:
- return ret;
+ return ret;
}
int
-afr_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
- int32_t flags, dict_t *xdata)
+afr_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
+ int32_t flags, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = EINVAL;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = EINVAL;
- GF_IF_INTERNAL_XATTR_GOTO ("trusted.afr.*", dict,
- op_errno, out);
+ GF_IF_INTERNAL_XATTR_GOTO("trusted.afr.*", dict, op_errno, out);
- GF_IF_INTERNAL_XATTR_GOTO ("trusted.glusterfs.afr.*", dict,
- op_errno, out);
+ GF_IF_INTERNAL_XATTR_GOTO("trusted.glusterfs.afr.*", dict, op_errno, out);
- ret = afr_handle_special_xattr (this, frame, loc, dict);
- if (ret == 0)
- return 0;
+ ret = afr_handle_special_xattr(this, frame, loc, dict);
+ if (ret == 0)
+ return 0;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.setxattr.dict = dict_ref (dict);
- local->cont.setxattr.flags = flags;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ local->cont.setxattr.dict = dict_ref(dict);
+ local->cont.setxattr.flags = flags;
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->transaction.wind = afr_setxattr_wind;
- local->transaction.unwind = afr_setxattr_unwind;
+ local->transaction.wind = afr_setxattr_wind;
+ local->transaction.unwind = afr_setxattr_unwind;
- loc_copy (&local->loc, loc);
- ret = afr_set_inode_local (this, local, loc->inode);
- if (ret)
- goto out;
+ loc_copy(&local->loc, loc);
+ ret = afr_set_inode_local(this, local, loc->inode);
+ if (ret)
+ goto out;
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- local->op = GF_FOP_SETXATTR;
+ local->op = GF_FOP_SETXATTR;
- ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (setxattr, frame, -1, op_errno, NULL);
+ AFR_STACK_UNWIND(setxattr, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
/* {{{ fsetxattr */
-
int
-afr_fsetxattr_unwind (call_frame_t *frame, xlator_t *this)
+afr_fsetxattr_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
-
- AFR_STACK_UNWIND (fsetxattr, main_frame, local->op_ret, local->op_errno,
- local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(fsetxattr, main_frame, local->op_ret, local->op_errno,
+ local->xdata_rsp);
+ return 0;
+}
int
-afr_fsetxattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_fsetxattr_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- NULL, NULL, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ NULL, NULL, xdata);
}
-
int
-afr_fsetxattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fsetxattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_fsetxattr_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fsetxattr,
- local->fd, local->cont.fsetxattr.dict,
- local->cont.fsetxattr.flags, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_fsetxattr_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->fsetxattr, local->fd,
+ local->cont.fsetxattr.dict, local->cont.fsetxattr.flags,
+ local->xdata_req);
+ return 0;
}
-
int
-afr_fsetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, dict_t *dict, int32_t flags, dict_t *xdata)
+afr_fsetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
+ int32_t flags, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- GF_IF_INTERNAL_XATTR_GOTO ("trusted.afr.*", dict,
- op_errno, out);
+ GF_IF_INTERNAL_XATTR_GOTO("trusted.afr.*", dict, op_errno, out);
- GF_IF_INTERNAL_XATTR_GOTO ("trusted.glusterfs.afr.*", dict,
- op_errno, out);
+ GF_IF_INTERNAL_XATTR_GOTO("trusted.glusterfs.afr.*", dict, op_errno, out);
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.fsetxattr.dict = dict_ref (dict);
- local->cont.fsetxattr.flags = flags;
+ local->cont.fsetxattr.dict = dict_ref(dict);
+ local->cont.fsetxattr.flags = flags;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->transaction.wind = afr_fsetxattr_wind;
- local->transaction.unwind = afr_fsetxattr_unwind;
+ local->transaction.wind = afr_fsetxattr_wind;
+ local->transaction.unwind = afr_fsetxattr_unwind;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_FSETXATTR;
+ local->op = GF_FOP_FSETXATTR;
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (fsetxattr, frame, -1, op_errno, NULL);
- return 0;
+ AFR_STACK_UNWIND(fsetxattr, frame, -1, op_errno, NULL);
+ return 0;
}
/* }}} */
-
/* {{{ removexattr */
-
int
-afr_removexattr_unwind (call_frame_t *frame, xlator_t *this)
+afr_removexattr_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
-
- AFR_STACK_UNWIND (removexattr, main_frame, local->op_ret, local->op_errno,
- local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(removexattr, main_frame, local->op_ret, local->op_errno,
+ local->xdata_rsp);
+ return 0;
+}
int
-afr_removexattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_removexattr_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- NULL, NULL, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ NULL, NULL, xdata);
}
-
int
-afr_removexattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_removexattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_removexattr_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->removexattr,
- &local->loc, local->cont.removexattr.name,
- local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_removexattr_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->removexattr, &local->loc,
+ local->cont.removexattr.name, local->xdata_req);
+ return 0;
}
-
int
-afr_removexattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *name, dict_t *xdata)
+afr_removexattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- GF_IF_NATIVE_XATTR_GOTO ("trusted.afr.*",
- name, op_errno, out);
+ GF_IF_NATIVE_XATTR_GOTO("trusted.afr.*", name, op_errno, out);
- GF_IF_NATIVE_XATTR_GOTO ("trusted.glusterfs.afr.*",
- name, op_errno, out);
+ GF_IF_NATIVE_XATTR_GOTO("trusted.glusterfs.afr.*", name, op_errno, out);
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.removexattr.name = gf_strdup (name);
+ local->cont.removexattr.name = gf_strdup(name);
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->transaction.wind = afr_removexattr_wind;
- local->transaction.unwind = afr_removexattr_unwind;
+ local->transaction.wind = afr_removexattr_wind;
+ local->transaction.unwind = afr_removexattr_unwind;
- loc_copy (&local->loc, loc);
- ret = afr_set_inode_local (this, local, loc->inode);
- if (ret)
- goto out;
+ loc_copy(&local->loc, loc);
+ ret = afr_set_inode_local(this, local, loc->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_REMOVEXATTR;
+ local->op = GF_FOP_REMOVEXATTR;
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (removexattr, frame, -1, op_errno, NULL);
- return 0;
+ AFR_STACK_UNWIND(removexattr, frame, -1, op_errno, NULL);
+ return 0;
}
/* ffremovexattr */
int
-afr_fremovexattr_unwind (call_frame_t *frame, xlator_t *this)
+afr_fremovexattr_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
-
- AFR_STACK_UNWIND (fremovexattr, main_frame, local->op_ret, local->op_errno,
- local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(fremovexattr, main_frame, local->op_ret, local->op_errno,
+ local->xdata_rsp);
+ return 0;
+}
int
-afr_fremovexattr_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+afr_fremovexattr_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- NULL, NULL, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ NULL, NULL, xdata);
}
-
int
-afr_fremovexattr_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fremovexattr_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_fremovexattr_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fremovexattr,
- local->fd, local->cont.removexattr.name,
- local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_fremovexattr_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->fremovexattr, local->fd,
+ local->cont.removexattr.name, local->xdata_req);
+ return 0;
}
-
int
-afr_fremovexattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
- const char *name, dict_t *xdata)
+afr_fremovexattr(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ const char *name, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- GF_IF_NATIVE_XATTR_GOTO ("trusted.afr.*",
- name, op_errno, out);
+ GF_IF_NATIVE_XATTR_GOTO("trusted.afr.*", name, op_errno, out);
- GF_IF_NATIVE_XATTR_GOTO ("trusted.glusterfs.afr.*",
- name, op_errno, out);
+ GF_IF_NATIVE_XATTR_GOTO("trusted.glusterfs.afr.*", name, op_errno, out);
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.removexattr.name = gf_strdup (name);
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ local->cont.removexattr.name = gf_strdup(name);
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->transaction.wind = afr_fremovexattr_wind;
- local->transaction.unwind = afr_fremovexattr_unwind;
+ local->transaction.wind = afr_fremovexattr_wind;
+ local->transaction.unwind = afr_fremovexattr_unwind;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_FREMOVEXATTR;
+ local->op = GF_FOP_FREMOVEXATTR;
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (fremovexattr, frame, -1, op_errno, NULL);
+ AFR_STACK_UNWIND(fremovexattr, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
-
int
-afr_fallocate_unwind (call_frame_t *frame, xlator_t *this)
+afr_fallocate_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (fallocate, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(fallocate, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ return 0;
+}
int
-afr_fallocate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+afr_fallocate_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- prebuf, postbuf, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, prebuf,
+ postbuf, NULL, xdata);
}
-
int
-afr_fallocate_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fallocate_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_fallocate_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fallocate,
- local->fd, local->cont.fallocate.mode,
- local->cont.fallocate.offset,
- local->cont.fallocate.len, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_fallocate_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->fallocate, local->fd,
+ local->cont.fallocate.mode, local->cont.fallocate.offset,
+ local->cont.fallocate.len, local->xdata_req);
+ return 0;
}
-
int
-afr_fallocate (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
- off_t offset, size_t len, dict_t *xdata)
+afr_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
+ off_t offset, size_t len, dict_t *xdata)
{
- call_frame_t *transaction_frame = NULL;
- afr_local_t *local = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ call_frame_t *transaction_frame = NULL;
+ afr_local_t *local = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.fallocate.mode = mode;
- local->cont.fallocate.offset = offset;
- local->cont.fallocate.len = len;
+ local->cont.fallocate.mode = mode;
+ local->cont.fallocate.offset = offset;
+ local->cont.fallocate.len = len;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->op = GF_FOP_FALLOCATE;
+ local->op = GF_FOP_FALLOCATE;
- local->transaction.wind = afr_fallocate_wind;
- local->transaction.unwind = afr_fallocate_unwind;
+ local->transaction.wind = afr_fallocate_wind;
+ local->transaction.unwind = afr_fallocate_unwind;
- local->transaction.main_frame = frame;
+ local->transaction.main_frame = frame;
- local->transaction.start = local->cont.fallocate.offset;
- local->transaction.len = 0;
+ local->transaction.start = local->cont.fallocate.offset;
+ local->transaction.len = 0;
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (fallocate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(fallocate, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
-
/* }}} */
/* {{{ discard */
int
-afr_discard_unwind (call_frame_t *frame, xlator_t *this)
+afr_discard_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
-
- AFR_STACK_UNWIND (discard, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(discard, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ return 0;
+}
int
-afr_discard_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+afr_discard_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- prebuf, postbuf, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, prebuf,
+ postbuf, NULL, xdata);
}
-
int
-afr_discard_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_discard_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_discard_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->discard,
- local->fd, local->cont.discard.offset,
- local->cont.discard.len, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_discard_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->discard, local->fd,
+ local->cont.discard.offset, local->cont.discard.len,
+ local->xdata_req);
+ return 0;
}
-
int
-afr_discard (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- size_t len, dict_t *xdata)
+afr_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.discard.offset = offset;
- local->cont.discard.len = len;
+ local->cont.discard.offset = offset;
+ local->cont.discard.len = len;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->op = GF_FOP_DISCARD;
+ local->op = GF_FOP_DISCARD;
- local->transaction.wind = afr_discard_wind;
- local->transaction.unwind = afr_discard_unwind;
+ local->transaction.wind = afr_discard_wind;
+ local->transaction.unwind = afr_discard_unwind;
- local->transaction.main_frame = frame;
+ local->transaction.main_frame = frame;
- local->transaction.start = local->cont.discard.offset;
- local->transaction.len = 0;
+ local->transaction.start = local->cont.discard.offset;
+ local->transaction.len = 0;
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (discard, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(discard, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
-
/* {{{ zerofill */
int
-afr_zerofill_unwind (call_frame_t *frame, xlator_t *this)
+afr_zerofill_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
-
- AFR_STACK_UNWIND (discard, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
-}
+ AFR_STACK_UNWIND(discard, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ return 0;
+}
int
-afr_zerofill_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+afr_zerofill_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- prebuf, postbuf, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, prebuf,
+ postbuf, NULL, xdata);
}
-
int
-afr_zerofill_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_zerofill_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_zerofill_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->zerofill,
- local->fd, local->cont.zerofill.offset,
- local->cont.zerofill.len, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_zerofill_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->zerofill, local->fd,
+ local->cont.zerofill.offset, local->cont.zerofill.len,
+ local->xdata_req);
+ return 0;
}
int
-afr_zerofill (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+afr_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
size_t len, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.zerofill.offset = offset;
- local->cont.zerofill.len = len;
+ local->cont.zerofill.offset = offset;
+ local->cont.zerofill.len = len;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ if (xdata)
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ else
+ local->xdata_req = dict_new();
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->op = GF_FOP_ZEROFILL;
+ local->op = GF_FOP_ZEROFILL;
- local->transaction.wind = afr_zerofill_wind;
- local->transaction.unwind = afr_zerofill_unwind;
+ local->transaction.wind = afr_zerofill_wind;
+ local->transaction.unwind = afr_zerofill_unwind;
- local->transaction.main_frame = frame;
+ local->transaction.main_frame = frame;
- local->transaction.start = local->cont.discard.offset;
- local->transaction.len = len;
+ local->transaction.start = local->cont.zerofill.offset;
+ local->transaction.len = len;
- afr_fix_open (fd, this);
+ afr_fix_open(fd, this);
- ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (zerofill, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(zerofill, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
/* }}} */
int32_t
-afr_xattrop_wind_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xattr, dict_t *xdata)
+afr_xattrop_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xattr,
+ dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- NULL, NULL, xattr, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ NULL, xattr, xdata);
}
int
-afr_xattrop_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_xattrop_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_xattrop_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->xattrop,
- &local->loc, local->cont.xattrop.optype,
- local->cont.xattrop.xattr, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_xattrop_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->xattrop, &local->loc,
+ local->cont.xattrop.optype, local->cont.xattrop.xattr,
+ local->xdata_req);
+ return 0;
}
int
-afr_xattrop_unwind (call_frame_t *frame, xlator_t *this)
+afr_xattrop_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (xattrop, main_frame, local->op_ret, local->op_errno,
- local->xattr_rsp, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
+
+ AFR_STACK_UNWIND(xattrop, main_frame, local->op_ret, local->op_errno,
+ local->xattr_rsp, local->xdata_rsp);
+ return 0;
}
int32_t
-afr_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,
- gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata)
+afr_xattrop(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.xattrop.xattr = dict_ref (xattr);
- local->cont.xattrop.optype = optype;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->cont.xattrop.xattr = dict_ref(xattr);
+ local->cont.xattrop.optype = optype;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- local->transaction.wind = afr_xattrop_wind;
- local->transaction.unwind = afr_xattrop_unwind;
+ local->transaction.wind = afr_xattrop_wind;
+ local->transaction.unwind = afr_xattrop_unwind;
- loc_copy (&local->loc, loc);
- ret = afr_set_inode_local (this, local, loc->inode);
- if (ret)
- goto out;
+ loc_copy(&local->loc, loc);
+ ret = afr_set_inode_local(this, local, loc->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_XATTROP;
+ local->op = GF_FOP_XATTROP;
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- ret = afr_transaction (transaction_frame, this, AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (xattrop, frame, -1, op_errno, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(xattrop, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
int32_t
-afr_fxattrop_wind_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xattr, dict_t *xdata)
+afr_fxattrop_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xattr,
+ dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- NULL, NULL, xattr, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, NULL,
+ NULL, xattr, xdata);
}
int
-afr_fxattrop_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fxattrop_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_fxattrop_wind_cbk, (void *) (long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fxattrop,
- local->fd, local->cont.xattrop.optype,
- local->cont.xattrop.xattr, local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_fxattrop_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->fxattrop, local->fd,
+ local->cont.xattrop.optype, local->cont.xattrop.xattr,
+ local->xdata_req);
+ return 0;
}
int
-afr_fxattrop_unwind (call_frame_t *frame, xlator_t *this)
+afr_fxattrop_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ local = frame->local;
- AFR_STACK_UNWIND (fxattrop, main_frame, local->op_ret, local->op_errno,
- local->xattr_rsp, local->xdata_rsp);
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
return 0;
+
+ AFR_STACK_UNWIND(fxattrop, main_frame, local->op_ret, local->op_errno,
+ local->xattr_rsp, local->xdata_rsp);
+ return 0;
}
int32_t
-afr_fxattrop (call_frame_t *frame, xlator_t *this, fd_t *fd,
- gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata)
+afr_fxattrop(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int op_errno = ENOMEM;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- local->cont.xattrop.xattr = dict_ref (xattr);
- local->cont.xattrop.optype = optype;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
+ local->cont.xattrop.xattr = dict_ref(xattr);
+ local->cont.xattrop.optype = optype;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
- local->transaction.wind = afr_fxattrop_wind;
- local->transaction.unwind = afr_fxattrop_unwind;
+ local->transaction.wind = afr_fxattrop_wind;
+ local->transaction.unwind = afr_fxattrop_unwind;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_FXATTROP;
+ local->op = GF_FOP_FXATTROP;
- local->transaction.main_frame = frame;
- local->transaction.start = LLONG_MAX - 1;
- local->transaction.len = 0;
+ local->transaction.main_frame = frame;
+ local->transaction.start = LLONG_MAX - 1;
+ local->transaction.len = 0;
- ret = afr_transaction (transaction_frame, this,
- AFR_METADATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_METADATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (fxattrop, frame, -1, op_errno, NULL, NULL);
- return 0;
+ AFR_STACK_UNWIND(fxattrop, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
-
int
-afr_fsync_unwind (call_frame_t *frame, xlator_t *this)
+afr_fsync_unwind(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- call_frame_t *main_frame = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
- local = frame->local;
+ local = frame->local;
- main_frame = afr_transaction_detach_fop_frame (frame);
- if (!main_frame)
- return 0;
+ main_frame = afr_transaction_detach_fop_frame(frame);
+ if (!main_frame)
+ return 0;
- AFR_STACK_UNWIND (fsync, main_frame, local->op_ret, local->op_errno,
- &local->cont.inode_wfop.prebuf,
- &local->cont.inode_wfop.postbuf, local->xdata_rsp);
+ AFR_STACK_UNWIND(fsync, main_frame, local->op_ret, local->op_errno,
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf, local->xdata_rsp);
- return 0;
+ return 0;
}
-
int
-afr_fsync_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+afr_fsync_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- return __afr_inode_write_cbk (frame, cookie, this, op_ret, op_errno,
- prebuf, postbuf, NULL, xdata);
+ return __afr_inode_write_cbk(frame, cookie, this, op_ret, op_errno, prebuf,
+ postbuf, NULL, xdata);
}
-
int
-afr_fsync_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_fsync_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- STACK_WIND_COOKIE (frame, afr_fsync_wind_cbk, (void *)(long) subvol,
- priv->children[subvol],
- priv->children[subvol]->fops->fsync,
- local->fd, local->cont.fsync.datasync,
- local->xdata_req);
- return 0;
+ STACK_WIND_COOKIE(frame, afr_fsync_wind_cbk, (void *)(long)subvol,
+ priv->children[subvol],
+ priv->children[subvol]->fops->fsync, local->fd,
+ local->cont.fsync.datasync, local->xdata_req);
+ return 0;
}
int
-afr_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
- dict_t *xdata)
+afr_fsync(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int32_t op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ call_frame_t *transaction_frame = NULL;
+ int ret = -1;
+ int32_t op_errno = ENOMEM;
+ int8_t last_fsync = 0;
- transaction_frame = copy_frame (frame);
- if (!transaction_frame)
- goto out;
+ AFR_ERROR_OUT_IF_FDCTX_INVALID(fd, this, op_errno, out);
+ transaction_frame = copy_frame(frame);
+ if (!transaction_frame)
+ goto out;
- local = AFR_FRAME_INIT (transaction_frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(transaction_frame, op_errno);
+ if (!local)
+ goto out;
- if (xdata)
- local->xdata_req = dict_copy_with_ref (xdata, NULL);
- else
- local->xdata_req = dict_new ();
+ if (xdata) {
+ local->xdata_req = dict_copy_with_ref(xdata, NULL);
+ if (dict_get_int8(xdata, "last-fsync", &last_fsync) == 0) {
+ if (last_fsync) {
+ local->transaction.disable_delayed_post_op = _gf_true;
+ }
+ }
+ } else {
+ local->xdata_req = dict_new();
+ }
- if (!local->xdata_req)
- goto out;
+ if (!local->xdata_req)
+ goto out;
- local->fd = fd_ref (fd);
- ret = afr_set_inode_local (this, local, fd->inode);
- if (ret)
- goto out;
+ local->fd = fd_ref(fd);
+ ret = afr_set_inode_local(this, local, fd->inode);
+ if (ret)
+ goto out;
- local->op = GF_FOP_FSYNC;
- local->cont.fsync.datasync = datasync;
+ local->op = GF_FOP_FSYNC;
+ local->cont.fsync.datasync = datasync;
- if (afr_fd_has_witnessed_unstable_write (this, fd->inode)) {
- /* don't care. we only wanted to CLEAR the bit */
- }
+ if (afr_fd_has_witnessed_unstable_write(this, fd->inode)) {
+ /* don't care. we only wanted to CLEAR the bit */
+ }
- local->transaction.wind = afr_fsync_wind;
- local->transaction.unwind = afr_fsync_unwind;
+ local->transaction.wind = afr_fsync_wind;
+ local->transaction.unwind = afr_fsync_unwind;
- local->transaction.main_frame = frame;
+ local->transaction.main_frame = frame;
- ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (ret < 0) {
- op_errno = -ret;
- goto out;
- }
+ ret = afr_transaction(transaction_frame, this, AFR_DATA_TRANSACTION);
+ if (ret < 0) {
+ op_errno = -ret;
+ goto out;
+ }
- return 0;
+ return 0;
out:
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
+ if (transaction_frame)
+ AFR_STACK_DESTROY(transaction_frame);
- AFR_STACK_UNWIND (fsync, frame, -1, op_errno, NULL, NULL, NULL);
+ AFR_STACK_UNWIND(fsync, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
diff --git a/xlators/cluster/afr/src/afr-inode-write.h b/xlators/cluster/afr/src/afr-inode-write.h
index 1e8bb5c12b3..a787069b7a1 100644
--- a/xlators/cluster/afr/src/afr-inode-write.h
+++ b/xlators/cluster/afr/src/afr-inode-write.h
@@ -12,83 +12,83 @@
#define __INODE_WRITE_H__
int32_t
-afr_chmod (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, dict_t *xdata);
+afr_chmod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dict_t *xdata);
int32_t
-afr_chown (call_frame_t *frame, xlator_t *this,
- loc_t *loc, uid_t uid, gid_t gid, dict_t *xdata);
+afr_chown(call_frame_t *frame, xlator_t *this, loc_t *loc, uid_t uid, gid_t gid,
+ dict_t *xdata);
int
-afr_fchown (call_frame_t *frame, xlator_t *this,
- fd_t *fd, uid_t uid, gid_t gid, dict_t *xdata);
+afr_fchown(call_frame_t *frame, xlator_t *this, fd_t *fd, uid_t uid, gid_t gid,
+ dict_t *xdata);
int32_t
-afr_fchmod (call_frame_t *frame, xlator_t *this,
- fd_t *fd, mode_t mode, dict_t *xdata);
+afr_fchmod(call_frame_t *frame, xlator_t *this, fd_t *fd, mode_t mode,
+ dict_t *xdata);
int32_t
-afr_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iovec *vector, int32_t count, off_t offset,
- uint32_t flags, struct iobref *iobref, dict_t *xdata);
+afr_writev(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
+ int32_t count, off_t offset, uint32_t flags, struct iobref *iobref,
+ dict_t *xdata);
int32_t
-afr_truncate (call_frame_t *frame, xlator_t *this,
- loc_t *loc, off_t offset, dict_t *xdata);
+afr_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
+ dict_t *xdata);
int32_t
-afr_ftruncate (call_frame_t *frame, xlator_t *this,
- fd_t *fd, off_t offset, dict_t *xdata);
+afr_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ dict_t *xdata);
int32_t
-afr_utimens (call_frame_t *frame, xlator_t *this,
- loc_t *loc, struct timespec tv[2], dict_t *xdata);
+afr_utimens(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ struct timespec tv[2], dict_t *xdata);
int
-afr_setattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, struct iatt *buf, int32_t valid, dict_t *xdata);
+afr_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *buf,
+ int32_t valid, dict_t *xdata);
int
-afr_fsetattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, struct iatt *buf, int32_t valid, dict_t *xdata);
+afr_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *buf,
+ int32_t valid, dict_t *xdata);
int32_t
-afr_setxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, dict_t *dict, int32_t flags, dict_t *xdata);
+afr_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
+ int32_t flags, dict_t *xdata);
int32_t
-afr_fsetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, dict_t *dict, int32_t flags, dict_t *xdata);
+afr_fsetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
+ int32_t flags, dict_t *xdata);
int32_t
-afr_removexattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *name, dict_t *xdata);
+afr_removexattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, dict_t *xdata);
int32_t
-afr_fremovexattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, const char *name, dict_t *xdata);
+afr_fremovexattr(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ const char *name, dict_t *xdata);
int
-afr_discard (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- size_t len, dict_t *xdata);
+afr_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata);
int
-afr_fallocate (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
- off_t offset, size_t len, dict_t *xdata);
+afr_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
+ off_t offset, size_t len, dict_t *xdata);
int
afr_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
off_t len, dict_t *xdata);
int32_t
-afr_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,
- gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata);
+afr_xattrop(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata);
int32_t
-afr_fxattrop (call_frame_t *frame, xlator_t *this, fd_t *fd,
- gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata);
+afr_fxattrop(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ gf_xattrop_flags_t optype, dict_t *xattr, dict_t *xdata);
int
-afr_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
- dict_t *xdata);
+afr_fsync(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
+ dict_t *xdata);
#endif /* __INODE_WRITE_H__ */
diff --git a/xlators/cluster/afr/src/afr-lk-common.c b/xlators/cluster/afr/src/afr-lk-common.c
index d7ff2b01a06..bc8eabe0f43 100644
--- a/xlators/cluster/afr/src/afr-lk-common.c
+++ b/xlators/cluster/afr/src/afr-lk-common.c
@@ -8,9 +8,9 @@
cases as published by the Free Software Foundation.
*/
-#include "dict.h"
-#include "byte-order.h"
-#include "common-utils.h"
+#include <glusterfs/dict.h>
+#include <glusterfs/byte-order.h>
+#include <glusterfs/common-utils.h>
#include "afr.h"
#include "afr-transaction.h"
@@ -18,1122 +18,774 @@
#include <signal.h>
+#define LOCKED_NO 0x0 /* no lock held */
+#define LOCKED_YES 0x1 /* for DATA, METADATA, ENTRY and higher_path */
+#define LOCKED_LOWER 0x2 /* for lower path */
-#define LOCKED_NO 0x0 /* no lock held */
-#define LOCKED_YES 0x1 /* for DATA, METADATA, ENTRY and higher_path */
-#define LOCKED_LOWER 0x2 /* for lower path */
+void
+afr_lockee_cleanup(afr_lockee_t *lockee)
+{
+ if (lockee->fd) {
+ fd_unref(lockee->fd);
+ lockee->fd = NULL;
+ } else {
+ loc_wipe(&lockee->loc);
+ }
+
+ GF_FREE(lockee->basename);
+ lockee->basename = NULL;
+ GF_FREE(lockee->locked_nodes);
+ lockee->locked_nodes = NULL;
+
+ return;
+}
-int
-afr_entry_lockee_cmp (const void *l1, const void *l2)
+void
+afr_lockees_cleanup(afr_internal_lock_t *int_lock)
{
- const afr_entry_lockee_t *r1 = l1;
- const afr_entry_lockee_t *r2 = l2;
- int ret = 0;
- uuid_t gfid1 = {0};
- uuid_t gfid2 = {0};
-
- loc_gfid ((loc_t*)&r1->loc, gfid1);
- loc_gfid ((loc_t*)&r2->loc, gfid2);
- ret = gf_uuid_compare (gfid1, gfid2);
- /*Entrylks with NULL basename are the 'smallest'*/
- if (ret == 0) {
- if (!r1->basename)
- return -1;
- if (!r2->basename)
- return 1;
- ret = strcmp (r1->basename, r2->basename);
- }
+ int i = 0;
+
+ for (i = 0; i < int_lock->lockee_count; i++) {
+ afr_lockee_cleanup(&int_lock->lockee[i]);
+ }
- if (ret <= 0)
- return -1;
- else
- return 1;
+ return;
+}
+int
+afr_entry_lockee_cmp(const void *l1, const void *l2)
+{
+ const afr_lockee_t *r1 = l1;
+ const afr_lockee_t *r2 = l2;
+ int ret = 0;
+ uuid_t gfid1 = {0};
+ uuid_t gfid2 = {0};
+
+ loc_gfid((loc_t *)&r1->loc, gfid1);
+ loc_gfid((loc_t *)&r2->loc, gfid2);
+ ret = gf_uuid_compare(gfid1, gfid2);
+ /*Entrylks with NULL basename are the 'smallest'*/
+ if (ret == 0) {
+ if (!r1->basename)
+ return -1;
+ if (!r2->basename)
+ return 1;
+ ret = strcmp(r1->basename, r2->basename);
+ }
+
+ if (ret <= 0)
+ return -1;
+ else
+ return 1;
}
-int afr_lock_blocking (call_frame_t *frame, xlator_t *this, int child_index);
+int
+afr_lock_blocking(call_frame_t *frame, xlator_t *this, int child_index);
void
-afr_set_lk_owner (call_frame_t *frame, xlator_t *this, void *lk_owner)
+afr_set_lk_owner(call_frame_t *frame, xlator_t *this, void *lk_owner)
{
- gf_msg_trace (this->name, 0,
- "Setting lk-owner=%llu",
- (unsigned long long) (unsigned long)lk_owner);
+ gf_msg_trace(this->name, 0, "Setting lk-owner=%llu",
+ (unsigned long long)(unsigned long)lk_owner);
- set_lk_owner_from_ptr (&frame->root->lk_owner, lk_owner);
+ set_lk_owner_from_ptr(&frame->root->lk_owner, lk_owner);
}
int32_t
-internal_lock_count (call_frame_t *frame, xlator_t *this)
+internal_lock_count(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int32_t call_count = 0;
- int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int32_t call_count = 0;
+ int i = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i])
- ++call_count;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i])
+ ++call_count;
+ }
- return call_count;
+ return call_count;
}
int
-afr_is_inodelk_transaction(afr_transaction_type type)
+afr_add_entry_lockee(afr_local_t *local, loc_t *loc, char *basename,
+ int child_count)
{
- int ret = 0;
+ int ret = -ENOMEM;
+ afr_internal_lock_t *int_lock = &local->internal_lock;
+ afr_lockee_t *lockee = &int_lock->lockee[int_lock->lockee_count];
- switch (type) {
- case AFR_DATA_TRANSACTION:
- case AFR_METADATA_TRANSACTION:
- ret = 1;
- break;
+ GF_ASSERT(int_lock->lockee_count < AFR_LOCKEE_COUNT_MAX);
+ loc_copy(&lockee->loc, loc);
+ lockee->basename = (basename) ? gf_strdup(basename) : NULL;
+ if (basename && !lockee->basename)
+ goto out;
- case AFR_ENTRY_RENAME_TRANSACTION:
- case AFR_ENTRY_TRANSACTION:
- ret = 0;
- break;
+ lockee->locked_count = 0;
+ lockee->locked_nodes = GF_CALLOC(child_count, sizeof(*lockee->locked_nodes),
+ gf_afr_mt_afr_node_character);
- }
+ if (!lockee->locked_nodes)
+ goto out;
- return ret;
+ ret = 0;
+ int_lock->lockee_count++;
+out:
+ if (ret) {
+ afr_lockee_cleanup(lockee);
+ }
+ return ret;
}
int
-afr_init_entry_lockee (afr_entry_lockee_t *lockee, afr_local_t *local,
- loc_t *loc, char *basename, int child_count)
+afr_add_inode_lockee(afr_local_t *local, int child_count)
{
- int ret = -1;
+ int ret = -ENOMEM;
+ afr_internal_lock_t *int_lock = &local->internal_lock;
+ afr_lockee_t *lockee = &int_lock->lockee[int_lock->lockee_count];
- loc_copy (&lockee->loc, loc);
- lockee->basename = (basename)? gf_strdup (basename): NULL;
- if (basename && !lockee->basename)
- goto out;
+ if (local->fd) {
+ lockee->fd = fd_ref(local->fd);
+ } else {
+ loc_copy(&lockee->loc, &local->loc);
+ }
- lockee->locked_count = 0;
- lockee->locked_nodes = GF_CALLOC (child_count,
- sizeof (*lockee->locked_nodes),
- gf_afr_mt_afr_node_character);
+ lockee->locked_count = 0;
+ lockee->locked_nodes = GF_CALLOC(child_count, sizeof(*lockee->locked_nodes),
+ gf_afr_mt_afr_node_character);
- if (!lockee->locked_nodes)
- goto out;
+ if (!lockee->locked_nodes)
+ goto out;
- ret = 0;
+ ret = 0;
+ int_lock->lockee_count++;
out:
- return ret;
-
-}
-
-void
-afr_entry_lockee_cleanup (afr_internal_lock_t *int_lock)
-{
- int i = 0;
-
- for (i = 0; i < int_lock->lockee_count; i++) {
- loc_wipe (&int_lock->lockee[i].loc);
- if (int_lock->lockee[i].basename)
- GF_FREE (int_lock->lockee[i].basename);
- if (int_lock->lockee[i].locked_nodes)
- GF_FREE (int_lock->lockee[i].locked_nodes);
- }
-
- return;
-}
-
-static int
-initialize_entrylk_variables (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- afr_private_t *priv = NULL;
-
- int i = 0;
-
- priv = this->private;
- local = frame->local;
- int_lock = &local->internal_lock;
-
- int_lock->entrylk_lock_count = 0;
- int_lock->lock_op_ret = -1;
- int_lock->lock_op_errno = 0;
-
- for (i = 0; i < AFR_LOCKEE_COUNT_MAX; i++) {
- if (!int_lock->lockee[i].locked_nodes)
- break;
- int_lock->lockee[i].locked_count = 0;
- memset (int_lock->lockee[i].locked_nodes, 0,
- sizeof (*int_lock->lockee[i].locked_nodes) *
- priv->child_count);
- }
-
- return 0;
+ if (ret) {
+ afr_lockee_cleanup(lockee);
+ }
+ return ret;
}
static int
-initialize_inodelk_variables (call_frame_t *frame, xlator_t *this)
+initialize_internal_lock_variables(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- local = frame->local;
- int_lock = &local->internal_lock;
-
- int_lock->lock_count = 0;
- int_lock->lk_attempted_count = 0;
- int_lock->lock_op_ret = -1;
- int_lock->lock_op_errno = 0;
-
- memset (int_lock->locked_nodes, 0,
- sizeof (*int_lock->locked_nodes) * priv->child_count);
-
- return 0;
+ afr_local_t *local = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_private_t *priv = NULL;
+
+ int i = 0;
+
+ priv = this->private;
+ local = frame->local;
+ int_lock = &local->internal_lock;
+
+ int_lock->lock_count = 0;
+ int_lock->lock_op_ret = -1;
+ int_lock->lock_op_errno = 0;
+ int_lock->lk_attempted_count = 0;
+
+ for (i = 0; i < AFR_LOCKEE_COUNT_MAX; i++) {
+ if (!int_lock->lockee[i].locked_nodes)
+ break;
+ int_lock->lockee[i].locked_count = 0;
+ memset(int_lock->lockee[i].locked_nodes, 0,
+ sizeof(*int_lock->lockee[i].locked_nodes) * priv->child_count);
+ }
+
+ return 0;
}
int
-afr_lockee_locked_nodes_count (afr_internal_lock_t *int_lock)
+afr_lockee_locked_nodes_count(afr_internal_lock_t *int_lock)
{
- int call_count = 0;
- int i = 0;
+ int call_count = 0;
+ int i = 0;
- for (i = 0; i < int_lock->lockee_count; i++)
- call_count += int_lock->lockee[i].locked_count;
+ for (i = 0; i < int_lock->lockee_count; i++)
+ call_count += int_lock->lockee[i].locked_count;
- return call_count;
+ return call_count;
}
int
-afr_locked_nodes_count (unsigned char *locked_nodes, int child_count)
+afr_locked_nodes_count(unsigned char *locked_nodes, int child_count)
{
- int i = 0;
- int call_count = 0;
+ int i = 0;
+ int call_count = 0;
- for (i = 0; i < child_count; i++) {
- if (locked_nodes[i] & LOCKED_YES)
- call_count++;
- }
+ for (i = 0; i < child_count; i++) {
+ if (locked_nodes[i] & LOCKED_YES)
+ call_count++;
+ }
- return call_count;
+ return call_count;
}
-/* FIXME: What if UNLOCK fails */
-static int32_t
-afr_unlock_common_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static void
+afr_log_locks_failure(call_frame_t *frame, char *where, char *what,
+ int op_errno)
{
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- int call_count = 0;
- int ret = 0;
+ xlator_t *this = frame->this;
+ gf_lkowner_t *lk_owner = &frame->root->lk_owner;
+ afr_local_t *local = frame->local;
+ const char *fop = NULL;
+ char *gfid = NULL;
+ const char *name = NULL;
- local = frame->local;
- int_lock = &local->internal_lock;
-
- if (local->transaction.type == AFR_DATA_TRANSACTION && op_ret != 1)
- ret = afr_write_subvol_reset (frame, this);
-
- LOCK (&frame->lock);
- {
- call_count = --int_lock->lk_call_count;
- }
- UNLOCK (&frame->lock);
-
- if (call_count == 0) {
- gf_msg_trace (this->name, 0,
- "All internal locks unlocked");
- int_lock->lock_cbk (frame, this);
- }
-
- return ret;
-}
-
-void
-afr_update_uninodelk (afr_local_t *local, afr_internal_lock_t *int_lock,
- int32_t child_index)
-{
- int_lock->locked_nodes[child_index] &= LOCKED_NO;
+ fop = gf_fop_list[local->op];
+ switch (local->transaction.type) {
+ case AFR_ENTRY_RENAME_TRANSACTION:
+ case AFR_ENTRY_TRANSACTION:
+ switch (local->op) {
+ case GF_FOP_LINK:
+ gfid = uuid_utoa(local->newloc.pargfid);
+ name = local->newloc.name;
+ break;
+ default:
+ gfid = uuid_utoa(local->loc.pargfid);
+ name = local->loc.name;
+ break;
+ }
+ gf_msg(this->name, GF_LOG_WARNING, op_errno,
+ AFR_MSG_INTERNAL_LKS_FAILED,
+ "Unable to do entry %s with lk-owner:%s on %s "
+ "while attempting %s on {pgfid:%s, name:%s}.",
+ what, lkowner_utoa(lk_owner), where, fop, gfid, name);
+ break;
+ case AFR_DATA_TRANSACTION:
+ case AFR_METADATA_TRANSACTION:
+ gfid = uuid_utoa(local->inode->gfid);
+ gf_msg(this->name, GF_LOG_WARNING, op_errno,
+ AFR_MSG_INTERNAL_LKS_FAILED,
+ "Unable to do inode %s with lk-owner:%s on %s "
+ "while attempting %s on gfid:%s.",
+ what, lkowner_utoa(lk_owner), where, fop, gfid);
+ break;
+ }
}
static int32_t
-afr_unlock_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- int32_t child_index = (long)cookie;
- afr_private_t *priv = NULL;
-
- local = frame->local;
- int_lock = &local->internal_lock;
-
- priv = this->private;
-
- if (op_ret < 0 && op_errno != ENOTCONN && op_errno != EBADFD) {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- AFR_MSG_UNLOCK_FAIL,
- "path=%s gfid=%s: unlock failed on subvolume %s "
- "with lock owner %s", local->loc.path,
- loc_gfid_utoa (&(local->loc)),
- priv->children[child_index]->name,
- lkowner_utoa (&frame->root->lk_owner));
- }
-
- afr_update_uninodelk (local, int_lock, child_index);
-
- afr_unlock_common_cbk (frame, cookie, this, op_ret, op_errno, xdata);
-
- return 0;
-
-}
-
-static int
-afr_unlock_inodelk (call_frame_t *frame, xlator_t *this)
+afr_unlock_common_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- struct gf_flock flock = {0,};
- int call_count = 0;
- int i = 0;
-
- local = frame->local;
- int_lock = &local->internal_lock;
- priv = this->private;
-
- flock.l_start = int_lock->flock.l_start;
- flock.l_len = int_lock->flock.l_len;
- flock.l_type = F_UNLCK;
-
- call_count = afr_locked_nodes_count (int_lock->locked_nodes,
- priv->child_count);
-
- int_lock->lk_call_count = call_count;
-
- if (!call_count) {
- GF_ASSERT (!local->transaction.do_eager_unlock);
- gf_msg_trace (this->name, 0,
- "No internal locks unlocked");
-
- int_lock->lock_cbk (frame, this);
- goto out;
- }
-
- for (i = 0; i < priv->child_count; i++) {
- if ((int_lock->locked_nodes[i] & LOCKED_YES) != LOCKED_YES)
- continue;
-
- if (local->fd) {
- STACK_WIND_COOKIE (frame, afr_unlock_inodelk_cbk,
- (void *) (long)i,
- priv->children[i],
- priv->children[i]->fops->finodelk,
- int_lock->domain, local->fd,
- F_SETLK, &flock, NULL);
- } else {
- STACK_WIND_COOKIE (frame, afr_unlock_inodelk_cbk,
- (void *) (long)i,
- priv->children[i],
- priv->children[i]->fops->inodelk,
- int_lock->domain, &local->loc,
- F_SETLK, &flock, NULL);
- }
-
- if (!--call_count)
- break;
- }
-out:
- return 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ int lockee_num = 0;
+ int call_count = 0;
+ int child_index = 0;
+ int ret = 0;
+
+ local = frame->local;
+ int_lock = &local->internal_lock;
+ priv = this->private;
+ lockee_num = (int)((long)cookie) / priv->child_count;
+ child_index = (int)((long)cookie) % priv->child_count;
+
+ if (op_ret < 0 && op_errno != ENOTCONN && op_errno != EBADFD) {
+ afr_log_locks_failure(frame, priv->children[child_index]->name,
+ "unlock", op_errno);
+ }
+
+ int_lock->lockee[lockee_num].locked_nodes[child_index] &= LOCKED_NO;
+ if (local->transaction.type == AFR_DATA_TRANSACTION && op_ret != 1)
+ ret = afr_write_subvol_reset(frame, this);
+
+ LOCK(&frame->lock);
+ {
+ call_count = --int_lock->lk_call_count;
+ }
+ UNLOCK(&frame->lock);
+
+ if (call_count == 0) {
+ int_lock->lock_cbk(frame, this);
+ }
+
+ return ret;
}
-static int32_t
-afr_unlock_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+void
+afr_internal_lock_wind(call_frame_t *frame,
+ int32_t (*cbk)(call_frame_t *, void *, xlator_t *,
+ int32_t, int32_t, dict_t *),
+ void *cookie, int child, int lockee_num,
+ gf_boolean_t blocking, gf_boolean_t unlock)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_internal_lock_t *int_lock = NULL;
- int32_t child_index = 0;
- int lockee_no = 0;
-
- priv = this->private;
- lockee_no = (int)((long) cookie) / priv->child_count;
- child_index = (int) ((long) cookie) % priv->child_count;
-
- local = frame->local;
- int_lock = &local->internal_lock;
-
- if (op_ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- AFR_MSG_ENTRY_UNLOCK_FAIL,
- "%s: unlock failed on %s", local->loc.path,
- priv->children[child_index]->name);
- }
-
- int_lock->lockee[lockee_no].locked_nodes[child_index] &= LOCKED_NO;
- afr_unlock_common_cbk (frame, cookie, this, op_ret, op_errno, NULL);
+ afr_local_t *local = frame->local;
+ xlator_t *this = frame->this;
+ afr_private_t *priv = this->private;
+ afr_internal_lock_t *int_lock = &local->internal_lock;
+ entrylk_cmd cmd = ENTRYLK_LOCK_NB;
+ int32_t cmd1 = F_SETLK;
+ struct gf_flock flock = {
+ 0,
+ };
+
+ switch (local->transaction.type) {
+ case AFR_ENTRY_TRANSACTION:
+ case AFR_ENTRY_RENAME_TRANSACTION:
+ if (unlock) {
+ cmd = ENTRYLK_UNLOCK;
+ } else if (blocking) { /*Doesn't make sense to have blocking
+ unlock*/
+ cmd = ENTRYLK_LOCK;
+ }
+
+ if (local->fd) {
+ STACK_WIND_COOKIE(frame, cbk, cookie, priv->children[child],
+ priv->children[child]->fops->fentrylk,
+ int_lock->domain,
+ int_lock->lockee[lockee_num].fd,
+ int_lock->lockee[lockee_num].basename, cmd,
+ ENTRYLK_WRLCK, NULL);
+ } else {
+ STACK_WIND_COOKIE(frame, cbk, cookie, priv->children[child],
+ priv->children[child]->fops->entrylk,
+ int_lock->domain,
+ &int_lock->lockee[lockee_num].loc,
+ int_lock->lockee[lockee_num].basename, cmd,
+ ENTRYLK_WRLCK, NULL);
+ }
+ break;
- return 0;
+ case AFR_DATA_TRANSACTION:
+ case AFR_METADATA_TRANSACTION:
+ flock = int_lock->lockee[lockee_num].flock;
+ if (unlock) {
+ flock.l_type = F_UNLCK;
+ } else if (blocking) { /*Doesn't make sense to have blocking
+ unlock*/
+ cmd1 = F_SETLKW;
+ }
+
+ if (local->fd) {
+ STACK_WIND_COOKIE(
+ frame, cbk, cookie, priv->children[child],
+ priv->children[child]->fops->finodelk, int_lock->domain,
+ int_lock->lockee[lockee_num].fd, cmd1, &flock, NULL);
+ } else {
+ STACK_WIND_COOKIE(
+ frame, cbk, cookie, priv->children[child],
+ priv->children[child]->fops->inodelk, int_lock->domain,
+ &int_lock->lockee[lockee_num].loc, cmd1, &flock, NULL);
+ }
+ break;
+ }
}
static int
-afr_unlock_entrylk (call_frame_t *frame, xlator_t *this)
+afr_unlock_now(call_frame_t *frame, xlator_t *this)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = 0;
- int index = 0;
- int lockee_no = 0;
- int copies = 0;
- int i = -1;
-
- local = frame->local;
- int_lock = &local->internal_lock;
- priv = this->private;
- copies = priv->child_count;
-
- call_count = afr_lockee_locked_nodes_count (int_lock);
-
- int_lock->lk_call_count = call_count;
-
- if (!call_count){
- gf_msg_trace (this->name, 0,
- "No internal locks unlocked");
- int_lock->lock_cbk (frame, this);
- goto out;
- }
-
- for (i = 0; i < int_lock->lockee_count * priv->child_count; i++) {
- lockee_no = i / copies;
- index = i % copies;
- if (int_lock->lockee[lockee_no].locked_nodes[index] & LOCKED_YES) {
-
- STACK_WIND_COOKIE (frame, afr_unlock_entrylk_cbk,
- (void *) (long) i,
- priv->children[index],
- priv->children[index]->fops->entrylk,
- int_lock->domain,
- &int_lock->lockee[lockee_no].loc,
- int_lock->lockee[lockee_no].basename,
- ENTRYLK_UNLOCK, ENTRYLK_WRLCK, NULL);
-
- if (!--call_count)
- break;
- }
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = 0;
+ int child_index = 0;
+ int lockee_num = 0;
+ int i = -1;
+
+ local = frame->local;
+ int_lock = &local->internal_lock;
+ priv = this->private;
+
+ call_count = afr_lockee_locked_nodes_count(int_lock);
+
+ int_lock->lk_call_count = call_count;
+
+ if (!call_count) {
+ gf_msg_trace(this->name, 0, "No internal locks unlocked");
+ int_lock->lock_cbk(frame, this);
+ goto out;
+ }
+
+ for (i = 0; i < int_lock->lockee_count * priv->child_count; i++) {
+ lockee_num = i / priv->child_count;
+ child_index = i % priv->child_count;
+ if (int_lock->lockee[lockee_num].locked_nodes[child_index] &
+ LOCKED_YES) {
+ afr_internal_lock_wind(frame, afr_unlock_common_cbk,
+ (void *)(long)i, child_index, lockee_num,
+ _gf_false, _gf_true);
+ if (!--call_count)
+ break;
}
+ }
out:
- return 0;
-
-}
-
-int32_t
-afr_unlock_now (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = frame->local;
-
- if (afr_is_inodelk_transaction(local->transaction.type))
- afr_unlock_inodelk (frame, this);
- else
- afr_unlock_entrylk (frame, this);
- return 0;
+ return 0;
}
static int32_t
-afr_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+afr_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int cky = (long) cookie;
- int child_index = 0;
- int lockee_no = 0;
-
- priv = this->private;
- local = frame->local;
- int_lock = &local->internal_lock;
-
- child_index = ((int)cky) % priv->child_count;
- lockee_no = ((int)cky) / priv->child_count;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- if (op_errno == ENOSYS) {
- /* return ENOTSUP */
- gf_msg (this->name, GF_LOG_ERROR, ENOSYS,
- AFR_MSG_LOCK_XLATOR_NOT_LOADED,
- "subvolume does not support locking. "
- "please load features/locks xlator on server");
- local->op_ret = op_ret;
- int_lock->lock_op_ret = op_ret;
- }
-
- local->op_errno = op_errno;
- int_lock->lock_op_errno = op_errno;
- }
-
- int_lock->lk_attempted_count++;
- }
- UNLOCK (&frame->lock);
-
- if ((op_ret == -1) &&
- (op_errno == ENOSYS)) {
- afr_unlock_now (frame, this);
- } else {
- if (op_ret == 0) {
- if (local->transaction.type == AFR_ENTRY_TRANSACTION ||
- local->transaction.type == AFR_ENTRY_RENAME_TRANSACTION) {
- int_lock->lockee[lockee_no].locked_nodes[child_index] |= LOCKED_YES;
- int_lock->lockee[lockee_no].locked_count++;
- int_lock->entrylk_lock_count++;
- } else {
- int_lock->locked_nodes[child_index] |= LOCKED_YES;
- int_lock->lock_count++;
-
- if (local->transaction.type ==
- AFR_DATA_TRANSACTION) {
- LOCK(&local->inode->lock);
- {
- local->inode_ctx->lock_count++;
- }
- UNLOCK (&local->inode->lock);
- }
- }
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int cky = (long)cookie;
+ int child_index = 0;
+ int lockee_num = 0;
+
+ priv = this->private;
+ local = frame->local;
+ int_lock = &local->internal_lock;
+
+ child_index = ((int)cky) % priv->child_count;
+ lockee_num = ((int)cky) / priv->child_count;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ if (op_errno == ENOSYS) {
+ /* return ENOTSUP */
+ gf_msg(this->name, GF_LOG_ERROR, ENOSYS,
+ AFR_MSG_LOCK_XLATOR_NOT_LOADED,
+ "subvolume does not support locking. "
+ "please load features/locks xlator on server");
+ local->op_ret = op_ret;
+ int_lock->lock_op_ret = op_ret;
+ }
+
+ local->op_errno = op_errno;
+ int_lock->lock_op_errno = op_errno;
+ }
+
+ int_lock->lk_attempted_count++;
+ }
+ UNLOCK(&frame->lock);
+
+ if ((op_ret == -1) && (op_errno == ENOSYS)) {
+ afr_unlock_now(frame, this);
+ } else {
+ if (op_ret == 0) {
+ int_lock->lockee[lockee_num]
+ .locked_nodes[child_index] |= LOCKED_YES;
+ int_lock->lockee[lockee_num].locked_count++;
+ int_lock->lock_count++;
+ if (local->transaction.type == AFR_DATA_TRANSACTION) {
+ LOCK(&local->inode->lock);
+ {
+ local->inode_ctx->lock_count++;
}
- afr_lock_blocking (frame, this, cky + 1);
+ UNLOCK(&local->inode->lock);
+ }
}
+ afr_lock_blocking(frame, this, cky + 1);
+ }
- return 0;
-}
-
-static int32_t
-afr_blocking_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- afr_lock_cbk (frame, cookie, this, op_ret, op_errno, xdata);
- return 0;
-
-}
-
-static int32_t
-afr_blocking_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- afr_lock_cbk (frame, cookie, this, op_ret, op_errno, xdata);
- return 0;
-}
-
-static gf_boolean_t
-afr_is_entrylk (afr_transaction_type trans_type)
-{
- if (afr_is_inodelk_transaction (trans_type))
- return _gf_false;
- return _gf_true;
+ return 0;
}
static gf_boolean_t
-_is_lock_wind_needed (afr_local_t *local, int child_index)
-{
- if (!local->child_up[child_index])
- return _gf_false;
-
- return _gf_true;
-}
-
-static void
-afr_log_entry_locks_failure(xlator_t *this, afr_local_t *local,
- afr_internal_lock_t *int_lock)
+_is_lock_wind_needed(afr_local_t *local, int child_index)
{
- const char *fop = NULL;
- char *pargfid = NULL;
- const char *name = NULL;
-
- fop = gf_fop_list[local->op];
+ if (!local->child_up[child_index])
+ return _gf_false;
- switch (local->op) {
- case GF_FOP_LINK:
- pargfid = uuid_utoa(local->newloc.pargfid);
- name = local->newloc.name;
- break;
- default:
- pargfid = uuid_utoa(local->loc.pargfid);
- name = local->loc.name;
- break;
- }
-
- gf_msg (this->name, GF_LOG_WARNING, 0, AFR_MSG_BLOCKING_LKS_FAILED,
- "Unable to obtain sufficient blocking entry locks on at least "
- "one child while attempting %s on {pgfid:%s, name:%s}.", fop,
- pargfid, name);
+ return _gf_true;
}
static gf_boolean_t
-is_blocking_locks_count_sufficient (call_frame_t *frame, xlator_t *this)
+is_blocking_locks_count_sufficient(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_internal_lock_t *int_lock = NULL;
- gf_boolean_t is_entrylk = _gf_false;
- int child = 0;
- int nlockee = 0;
- int lockee_count = 0;
- gf_boolean_t ret = _gf_true;
-
- local = frame->local;
- priv = this->private;
- int_lock = &local->internal_lock;
- lockee_count = int_lock->lockee_count;
- is_entrylk = afr_is_entrylk (local->transaction.type);
-
- if (!is_entrylk) {
- if (int_lock->lock_count == 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_BLOCKING_LKS_FAILED, "Unable to obtain "
- "blocking inode lock on even one child for "
- "gfid:%s.", uuid_utoa (local->inode->gfid));
- return _gf_false;
- } else {
- /*inodelk succeeded on at least one child. */
- return _gf_true;
- }
-
- } else {
- if (int_lock->entrylk_lock_count == 0) {
- afr_log_entry_locks_failure (this, local, int_lock);
- return _gf_false;
- }
- /* For FOPS that take multiple sets of locks (mkdir, rename),
- * there must be at least one brick on which the locks from
- * all lock sets were successful. */
- for (child = 0; child < priv->child_count; child++) {
- ret = _gf_true;
- for (nlockee = 0; nlockee < lockee_count; nlockee++) {
- if (!(int_lock->lockee[nlockee].locked_nodes[child] & LOCKED_YES))
- ret = _gf_false;
- }
- if (ret)
- return ret;
- }
- if (!ret)
- afr_log_entry_locks_failure (this, local, int_lock);
- }
-
- return ret;
-
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ int child = 0;
+ int nlockee = 0;
+ int lockee_count = 0;
+ gf_boolean_t ret = _gf_true;
+
+ local = frame->local;
+ priv = this->private;
+ int_lock = &local->internal_lock;
+ lockee_count = int_lock->lockee_count;
+
+ if (int_lock->lock_count == 0) {
+ afr_log_locks_failure(frame, "any subvolume", "lock",
+ int_lock->lock_op_errno);
+ return _gf_false;
+ }
+ /* For FOPS that take multiple sets of locks (mkdir, rename),
+ * there must be at least one brick on which the locks from
+ * all lock sets were successful. */
+ for (child = 0; child < priv->child_count; child++) {
+ ret = _gf_true;
+ for (nlockee = 0; nlockee < lockee_count; nlockee++) {
+ if (!(int_lock->lockee[nlockee].locked_nodes[child] & LOCKED_YES))
+ ret = _gf_false;
+ }
+ if (ret)
+ return ret;
+ }
+ if (!ret)
+ afr_log_locks_failure(frame, "all", "lock", int_lock->lock_op_errno);
+
+ return ret;
}
int
-afr_lock_blocking (call_frame_t *frame, xlator_t *this, int cookie)
+afr_lock_blocking(call_frame_t *frame, xlator_t *this, int cookie)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- struct gf_flock flock = {0,};
- uint64_t ctx = 0;
- int ret = 0;
- int child_index = 0;
- int lockee_no = 0;
- gf_boolean_t is_entrylk = _gf_false;
-
- local = frame->local;
- int_lock = &local->internal_lock;
- priv = this->private;
- child_index = cookie % priv->child_count;
- lockee_no = cookie / priv->child_count;
- is_entrylk = afr_is_entrylk (local->transaction.type);
-
-
- if (!is_entrylk) {
- flock.l_start = int_lock->flock.l_start;
- flock.l_len = int_lock->flock.l_len;
- flock.l_type = int_lock->flock.l_type;
- }
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ uint64_t ctx = 0;
+ int ret = 0;
+ int child_index = 0;
+ int lockee_num = 0;
- if (local->fd) {
- ret = fd_ctx_get (local->fd, this, &ctx);
+ local = frame->local;
+ int_lock = &local->internal_lock;
+ priv = this->private;
+ child_index = cookie % priv->child_count;
+ lockee_num = cookie / priv->child_count;
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_FD_CTX_GET_FAILED,
- "unable to get fd ctx for fd=%p",
- local->fd);
+ if (local->fd) {
+ ret = fd_ctx_get(local->fd, this, &ctx);
- local->op_ret = -1;
- int_lock->lock_op_ret = -1;
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_FD_CTX_GET_FAILED,
+ "unable to get fd ctx for fd=%p", local->fd);
- afr_unlock_now (frame, this);
+ local->op_ret = -1;
+ int_lock->lock_op_ret = -1;
- return 0;
- }
- }
-
- if (int_lock->lk_expected_count == int_lock->lk_attempted_count) {
- if (!is_blocking_locks_count_sufficient (frame, this)) {
-
- local->op_ret = -1;
- int_lock->lock_op_ret = -1;
+ afr_unlock_now(frame, this);
- afr_unlock_now(frame, this);
-
- return 0;
- }
+ return 0;
}
+ }
- if (int_lock->lk_expected_count == int_lock->lk_attempted_count) {
- /* we're done locking */
-
- gf_msg_debug (this->name, 0,
- "we're done locking");
+ if (int_lock->lk_expected_count == int_lock->lk_attempted_count) {
+ if (!is_blocking_locks_count_sufficient(frame, this)) {
+ local->op_ret = -1;
+ int_lock->lock_op_ret = -1;
- int_lock->lock_op_ret = 0;
- int_lock->lock_cbk (frame, this);
- return 0;
- }
+ afr_unlock_now(frame, this);
- if (!_is_lock_wind_needed (local, child_index)) {
- afr_lock_blocking (frame, this, cookie + 1);
- return 0;
+ return 0;
}
+ }
- switch (local->transaction.type) {
- case AFR_DATA_TRANSACTION:
- case AFR_METADATA_TRANSACTION:
+ if (int_lock->lk_expected_count == int_lock->lk_attempted_count) {
+ /* we're done locking */
- if (local->fd) {
- STACK_WIND_COOKIE (frame, afr_blocking_inodelk_cbk,
- (void *) (long) child_index,
- priv->children[child_index],
- priv->children[child_index]->fops->finodelk,
- int_lock->domain, local->fd,
- F_SETLKW, &flock, NULL);
-
- } else {
- STACK_WIND_COOKIE (frame, afr_blocking_inodelk_cbk,
- (void *) (long) child_index,
- priv->children[child_index],
- priv->children[child_index]->fops->inodelk,
- int_lock->domain, &local->loc,
- F_SETLKW, &flock, NULL);
- }
+ gf_msg_debug(this->name, 0, "we're done locking");
- break;
+ int_lock->lock_op_ret = 0;
+ int_lock->lock_cbk(frame, this);
+ return 0;
+ }
- case AFR_ENTRY_RENAME_TRANSACTION:
- case AFR_ENTRY_TRANSACTION:
- /*Accounting for child_index increments on 'down'
- *and 'fd-less' children */
-
- if (local->fd) {
- STACK_WIND_COOKIE (frame, afr_blocking_entrylk_cbk,
- (void *) (long) cookie,
- priv->children[child_index],
- priv->children[child_index]->fops->fentrylk,
- int_lock->domain, local->fd,
- int_lock->lockee[lockee_no].basename,
- ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL);
- } else {
- STACK_WIND_COOKIE (frame, afr_blocking_entrylk_cbk,
- (void *) (long) cookie,
- priv->children[child_index],
- priv->children[child_index]->fops->entrylk,
- int_lock->domain,
- &int_lock->lockee[lockee_no].loc,
- int_lock->lockee[lockee_no].basename,
- ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL);
- }
+ if (!_is_lock_wind_needed(local, child_index)) {
+ afr_lock_blocking(frame, this, cookie + 1);
+ return 0;
+ }
- break;
- }
+ afr_internal_lock_wind(frame, afr_lock_cbk, (void *)(long)cookie,
+ child_index, lockee_num, _gf_true, _gf_false);
- return 0;
+ return 0;
}
int32_t
-afr_blocking_lock (call_frame_t *frame, xlator_t *this)
+afr_blocking_lock(call_frame_t *frame, xlator_t *this)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int up_count = 0;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int up_count = 0;
- priv = this->private;
- local = frame->local;
- int_lock = &local->internal_lock;
+ priv = this->private;
+ local = frame->local;
+ int_lock = &local->internal_lock;
- switch (local->transaction.type) {
- case AFR_DATA_TRANSACTION:
- case AFR_METADATA_TRANSACTION:
- initialize_inodelk_variables (frame, this);
- break;
-
- case AFR_ENTRY_RENAME_TRANSACTION:
- case AFR_ENTRY_TRANSACTION:
- up_count = AFR_COUNT (local->child_up, priv->child_count);
- int_lock->lk_call_count = int_lock->lk_expected_count
- = (int_lock->lockee_count *
- up_count);
- initialize_entrylk_variables (frame, this);
- break;
- }
+ up_count = AFR_COUNT(local->child_up, priv->child_count);
+ int_lock->lk_call_count = int_lock->lk_expected_count =
+ (int_lock->lockee_count * up_count);
+ initialize_internal_lock_variables(frame, this);
- afr_lock_blocking (frame, this, 0);
+ afr_lock_blocking(frame, this, 0);
- return 0;
+ return 0;
}
static int32_t
-afr_nonblocking_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- int call_count = 0;
- int child_index = (long) cookie;
- int copies = 0;
- int index = 0;
- int lockee_no = 0;
- afr_private_t *priv = NULL;
-
- priv = this->private;
-
- copies = priv->child_count;
- index = child_index % copies;
- lockee_no = child_index / copies;
-
- local = frame->local;
- int_lock = &local->internal_lock;
-
- LOCK (&frame->lock);
- {
- if (op_ret < 0 ) {
- if (op_errno == ENOSYS) {
- /* return ENOTSUP */
- gf_msg (this->name, GF_LOG_ERROR,
- ENOSYS, AFR_MSG_LOCK_XLATOR_NOT_LOADED,
- "subvolume does not support "
- "locking. please load features/locks"
- " xlator on server");
- local->op_ret = op_ret;
- int_lock->lock_op_ret = op_ret;
-
- int_lock->lock_op_errno = op_errno;
- local->op_errno = op_errno;
- }
- } else if (op_ret == 0) {
- int_lock->lockee[lockee_no].locked_nodes[index] |= \
- LOCKED_YES;
- int_lock->lockee[lockee_no].locked_count++;
- int_lock->entrylk_lock_count++;
- }
-
- call_count = --int_lock->lk_call_count;
- }
- UNLOCK (&frame->lock);
-
- if (call_count == 0) {
- gf_msg_trace (this->name, 0,
- "Last locking reply received");
- /* all locks successful. Proceed to call FOP */
- if (int_lock->entrylk_lock_count ==
- int_lock->lk_expected_count) {
- gf_msg_trace (this->name, 0,
- "All servers locked. Calling the cbk");
- int_lock->lock_op_ret = 0;
- int_lock->lock_cbk (frame, this);
- }
- /* Not all locks were successful. Unlock and try locking
- again, this time with serially blocking locks */
- else {
- gf_msg_trace (this->name, 0,
- "%d servers locked. Trying again "
- "with blocking calls",
- int_lock->lock_count);
-
- afr_unlock_now(frame, this);
- }
- }
-
- return 0;
-}
-
-int
-afr_nonblocking_entrylk (call_frame_t *frame, xlator_t *this)
+afr_nb_internal_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_fd_ctx_t *fd_ctx = NULL;
- int copies = 0;
- int index = 0;
- int lockee_no = 0;
- int32_t call_count = 0;
- int i = 0;
-
- local = frame->local;
- int_lock = &local->internal_lock;
- priv = this->private;
-
- copies = priv->child_count;
- initialize_entrylk_variables (frame, this);
-
- if (local->fd) {
- fd_ctx = afr_fd_ctx_get (local->fd, this);
- if (!fd_ctx) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_FD_CTX_GET_FAILED,
- "unable to get fd ctx for fd=%p",
- local->fd);
-
- local->op_ret = -1;
- int_lock->lock_op_ret = -1;
- local->op_errno = EINVAL;
- int_lock->lock_op_errno = EINVAL;
-
- afr_unlock_now (frame, this);
- return -1;
- }
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ int call_count = 0;
+ int child_index = 0;
+ int lockee_num = 0;
+ afr_private_t *priv = NULL;
- call_count = int_lock->lockee_count * internal_lock_count (frame, this);
- int_lock->lk_call_count = call_count;
- int_lock->lk_expected_count = call_count;
+ priv = this->private;
- if (!call_count) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_INFO_COMMON,
- "fd not open on any subvolumes. aborting.");
- afr_unlock_now (frame, this);
- goto out;
- }
+ child_index = ((long)cookie) % priv->child_count;
+ lockee_num = ((long)cookie) / priv->child_count;
- /* Send non-blocking entrylk calls only on up children
- and where the fd has been opened */
- for (i = 0; i < int_lock->lockee_count*priv->child_count; i++) {
- index = i%copies;
- lockee_no = i/copies;
- if (local->child_up[index]) {
- STACK_WIND_COOKIE (frame, afr_nonblocking_entrylk_cbk,
- (void *) (long) i,
- priv->children[index],
- priv->children[index]->fops->fentrylk,
- this->name, local->fd,
- int_lock->lockee[lockee_no].basename,
- ENTRYLK_LOCK_NB, ENTRYLK_WRLCK,
- NULL);
- if (!--call_count)
- break;
- }
- }
- } else {
- call_count = int_lock->lockee_count * internal_lock_count (frame, this);
- int_lock->lk_call_count = call_count;
- int_lock->lk_expected_count = call_count;
-
- for (i = 0; i < int_lock->lockee_count*priv->child_count; i++) {
- index = i%copies;
- lockee_no = i/copies;
- if (local->child_up[index]) {
- STACK_WIND_COOKIE (frame, afr_nonblocking_entrylk_cbk,
- (void *) (long) i,
- priv->children[index],
- priv->children[index]->fops->entrylk,
- this->name, &int_lock->lockee[lockee_no].loc,
- int_lock->lockee[lockee_no].basename,
- ENTRYLK_LOCK_NB, ENTRYLK_WRLCK,
- NULL);
-
- if (!--call_count)
- break;
- }
- }
- }
-out:
- return 0;
-}
+ local = frame->local;
+ int_lock = &local->internal_lock;
-int32_t
-afr_nonblocking_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- int call_count = 0;
- int child_index = (long) cookie;
-
- local = frame->local;
- int_lock = &local->internal_lock;
-
- if (op_ret == 0 && local->transaction.type == AFR_DATA_TRANSACTION) {
- LOCK (&local->inode->lock);
- {
- local->inode_ctx->lock_count++;
- }
- UNLOCK (&local->inode->lock);
- }
-
- LOCK (&frame->lock);
+ if (op_ret == 0 && local->transaction.type == AFR_DATA_TRANSACTION) {
+ LOCK(&local->inode->lock);
{
- if (op_ret < 0) {
- if (op_errno == ENOSYS) {
- /* return ENOTSUP */
- gf_msg (this->name, GF_LOG_ERROR, ENOSYS,
- AFR_MSG_LOCK_XLATOR_NOT_LOADED,
- "subvolume does not support "
- "locking. please load features/locks"
- " xlator on server");
- local->op_ret = op_ret;
- int_lock->lock_op_ret = op_ret;
- int_lock->lock_op_errno = op_errno;
- local->op_errno = op_errno;
- }
- } else {
- int_lock->locked_nodes[child_index] |= LOCKED_YES;
- int_lock->lock_count++;
- }
-
- call_count = --int_lock->lk_call_count;
- }
- UNLOCK (&frame->lock);
-
- if (call_count == 0) {
- gf_msg_trace (this->name, 0,
- "Last inode locking reply received");
- /* all locks successful. Proceed to call FOP */
- if (int_lock->lock_count == int_lock->lk_expected_count) {
- gf_msg_trace (this->name, 0,
- "All servers locked. Calling the cbk");
- int_lock->lock_op_ret = 0;
- int_lock->lock_cbk (frame, this);
- }
- /* Not all locks were successful. Unlock and try locking
- again, this time with serially blocking locks */
- else {
- gf_msg_trace (this->name, 0,
- "%d servers locked. "
- "Trying again with blocking calls",
- int_lock->lock_count);
-
- afr_unlock_now(frame, this);
- }
+ local->inode_ctx->lock_count++;
}
+ UNLOCK(&local->inode->lock);
+ }
- return 0;
+ LOCK(&frame->lock);
+ {
+ if (op_ret < 0) {
+ if (op_errno == ENOSYS) {
+ /* return ENOTSUP */
+ gf_msg(this->name, GF_LOG_ERROR, ENOSYS,
+ AFR_MSG_LOCK_XLATOR_NOT_LOADED,
+ "subvolume does not support "
+ "locking. please load features/locks"
+ " xlator on server");
+ local->op_ret = op_ret;
+ int_lock->lock_op_ret = op_ret;
+
+ int_lock->lock_op_errno = op_errno;
+ local->op_errno = op_errno;
+ }
+ } else if (op_ret == 0) {
+ int_lock->lockee[lockee_num]
+ .locked_nodes[child_index] |= LOCKED_YES;
+ int_lock->lockee[lockee_num].locked_count++;
+ int_lock->lock_count++;
+ }
+
+ call_count = --int_lock->lk_call_count;
+ }
+ UNLOCK(&frame->lock);
+
+ if (call_count == 0) {
+ gf_msg_trace(this->name, 0, "Last locking reply received");
+ /* all locks successful. Proceed to call FOP */
+ if (int_lock->lock_count == int_lock->lk_expected_count) {
+ gf_msg_trace(this->name, 0, "All servers locked. Calling the cbk");
+ int_lock->lock_op_ret = 0;
+ int_lock->lock_cbk(frame, this);
+ }
+ /* Not all locks were successful. Unlock and try locking
+ again, this time with serially blocking locks */
+ else {
+ gf_msg_trace(this->name, 0,
+ "%d servers locked. Trying again "
+ "with blocking calls",
+ int_lock->lock_count);
+
+ afr_unlock_now(frame, this);
+ }
+ }
+
+ return 0;
}
int
-afr_nonblocking_inodelk (call_frame_t *frame, xlator_t *this)
+afr_lock_nonblocking(call_frame_t *frame, xlator_t *this)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_fd_ctx_t *fd_ctx = NULL;
- int32_t call_count = 0;
- int i = 0;
- int ret = 0;
-
- local = frame->local;
- int_lock = &local->internal_lock;
- priv = this->private;
-
- initialize_inodelk_variables (frame, this);
-
- if (local->fd) {
- fd_ctx = afr_fd_ctx_get (local->fd, this);
- if (!fd_ctx) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_FD_CTX_GET_FAILED,
- "unable to get fd ctx for fd=%p",
- local->fd);
-
- local->op_ret = -1;
- int_lock->lock_op_ret = -1;
- local->op_errno = EINVAL;
- int_lock->lock_op_errno = EINVAL;
-
- afr_unlock_now (frame, this);
- ret = -1;
- goto out;
- }
- }
-
- call_count = internal_lock_count (frame, this);
- int_lock->lk_call_count = call_count;
- int_lock->lk_expected_count = call_count;
-
- if (!call_count) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_SUBVOLS_DOWN,
- "All bricks are down, aborting.");
- afr_unlock_now (frame, this);
- goto out;
- }
-
- /* Send non-blocking inodelk calls only on up children
- and where the fd has been opened */
- for (i = 0; i < priv->child_count; i++) {
- if (!local->child_up[i])
- continue;
-
- if (local->fd) {
- STACK_WIND_COOKIE (frame, afr_nonblocking_inodelk_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->finodelk,
- int_lock->domain, local->fd,
- F_SETLK, &int_lock->flock, NULL);
- } else {
-
- STACK_WIND_COOKIE (frame, afr_nonblocking_inodelk_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->inodelk,
- int_lock->domain, &local->loc,
- F_SETLK, &int_lock->flock, NULL);
- }
- if (!--call_count)
- break;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ int child = 0;
+ int lockee_num = 0;
+ int32_t call_count = 0;
+ int i = 0;
+ int ret = 0;
+
+ local = frame->local;
+ int_lock = &local->internal_lock;
+ priv = this->private;
+
+ initialize_internal_lock_variables(frame, this);
+
+ if (local->fd) {
+ fd_ctx = afr_fd_ctx_get(local->fd, this);
+ if (!fd_ctx) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_FD_CTX_GET_FAILED,
+ "unable to get fd ctx for fd=%p", local->fd);
+
+ local->op_ret = -1;
+ int_lock->lock_op_ret = -1;
+ local->op_errno = EINVAL;
+ int_lock->lock_op_errno = EINVAL;
+
+ afr_unlock_now(frame, this);
+ ret = -1;
+ goto out;
+ }
+ }
+
+ call_count = int_lock->lockee_count * internal_lock_count(frame, this);
+ int_lock->lk_call_count = call_count;
+ int_lock->lk_expected_count = call_count;
+
+ if (!call_count) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_INFO_COMMON,
+ "fd not open on any subvolumes. aborting.");
+ afr_unlock_now(frame, this);
+ goto out;
+ }
+
+ /* Send non-blocking lock calls only on up children
+ and where the fd has been opened */
+ for (i = 0; i < int_lock->lockee_count * priv->child_count; i++) {
+ child = i % priv->child_count;
+ lockee_num = i / priv->child_count;
+ if (local->child_up[child]) {
+ afr_internal_lock_wind(frame, afr_nb_internal_lock_cbk,
+ (void *)(long)i, child, lockee_num,
+ _gf_false, _gf_false);
+ if (!--call_count)
+ break;
}
+ }
out:
- return ret;
+ return ret;
}
int32_t
-afr_unlock (call_frame_t *frame, xlator_t *this)
+afr_unlock(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_lock_t *lock = NULL;
-
- local = frame->local;
-
- if (!local->transaction.eager_lock_on)
- goto out;
- lock = &local->inode_ctx->lock[local->transaction.type];
- LOCK (&local->inode->lock);
- {
- list_del_init (&local->transaction.owner_list);
- if (list_empty (&lock->owners) && list_empty (&lock->post_op)) {
- local->transaction.do_eager_unlock = _gf_true;
- /*TODO: Need to get metadata use on_disk and inherit/uninherit
- *GF_ASSERT (!local->inode_ctx->on_disk[local->transaction.type]);
- *GF_ASSERT (!local->inode_ctx->inherited[local->transaction.type]);
- */
- GF_ASSERT (lock->release);
- }
- }
- UNLOCK (&local->inode->lock);
- if (!local->transaction.do_eager_unlock) {
- local->internal_lock.lock_cbk (frame, this);
- return 0;
- }
+ afr_local_t *local = NULL;
+ afr_lock_t *lock = NULL;
+
+ local = frame->local;
+
+ if (!local->transaction.eager_lock_on)
+ goto out;
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ LOCK(&local->inode->lock);
+ {
+ list_del_init(&local->transaction.owner_list);
+ if (list_empty(&lock->owners) && list_empty(&lock->post_op)) {
+ local->transaction.do_eager_unlock = _gf_true;
+ /*TODO: Need to get metadata use on_disk and inherit/uninherit
+ *GF_ASSERT (!local->inode_ctx->on_disk[local->transaction.type]);
+ *GF_ASSERT (!local->inode_ctx->inherited[local->transaction.type]);
+ */
+ GF_ASSERT(lock->release);
+ }
+ }
+ UNLOCK(&local->inode->lock);
+ if (!local->transaction.do_eager_unlock) {
+ local->internal_lock.lock_cbk(frame, this);
+ return 0;
+ }
out:
- afr_unlock_now (frame, this);
- return 0;
+ afr_unlock_now(frame, this);
+ return 0;
}
diff --git a/xlators/cluster/afr/src/afr-mem-types.h b/xlators/cluster/afr/src/afr-mem-types.h
index 2e1117fc18c..816065fb57a 100644
--- a/xlators/cluster/afr/src/afr-mem-types.h
+++ b/xlators/cluster/afr/src/afr-mem-types.h
@@ -8,47 +8,31 @@
cases as published by the Free Software Foundation.
*/
-
#ifndef __AFR_MEM_TYPES_H__
#define __AFR_MEM_TYPES_H__
-#include "mem-types.h"
+#include <glusterfs/mem-types.h>
enum gf_afr_mem_types_ {
- gf_afr_mt_iovec = gf_common_mt_end + 1,
- gf_afr_mt_afr_fd_ctx_t,
- gf_afr_mt_afr_private_t,
- gf_afr_mt_int32_t,
- gf_afr_mt_char,
- gf_afr_mt_xattr_key,
- gf_afr_mt_dict_t,
- gf_afr_mt_xlator_t,
- gf_afr_mt_iatt,
- gf_afr_mt_int,
- gf_afr_mt_afr_node_character,
- gf_afr_mt_sh_diff_loop_state,
- gf_afr_mt_uint8_t,
- gf_afr_mt_loc_t,
- gf_afr_mt_entry_name,
- gf_afr_mt_pump_priv,
- gf_afr_mt_locked_fd,
- gf_afr_mt_inode_ctx_t,
- gf_afr_fd_paused_call_t,
- gf_afr_mt_crawl_data_t,
- gf_afr_mt_brick_pos_t,
- gf_afr_mt_shd_bool_t,
- gf_afr_mt_shd_timer_t,
- gf_afr_mt_shd_event_t,
- gf_afr_mt_time_t,
- gf_afr_mt_pos_data_t,
- gf_afr_mt_reply_t,
- gf_afr_mt_subvol_healer_t,
- gf_afr_mt_spbc_timeout_t,
- gf_afr_mt_spb_status_t,
- gf_afr_mt_empty_brick_t,
- gf_afr_mt_child_latency_t,
- gf_afr_mt_atomic_t,
+ gf_afr_mt_afr_fd_ctx_t = gf_common_mt_end + 1,
+ gf_afr_mt_afr_private_t,
+ gf_afr_mt_int32_t,
+ gf_afr_mt_char,
+ gf_afr_mt_xattr_key,
+ gf_afr_mt_dict_t,
+ gf_afr_mt_xlator_t,
+ gf_afr_mt_afr_node_character,
+ gf_afr_mt_inode_ctx_t,
+ gf_afr_mt_shd_event_t,
+ gf_afr_mt_reply_t,
+ gf_afr_mt_subvol_healer_t,
+ gf_afr_mt_spbc_timeout_t,
+ gf_afr_mt_spb_status_t,
+ gf_afr_mt_empty_brick_t,
+ gf_afr_mt_child_latency_t,
+ gf_afr_mt_atomic_t,
+ gf_afr_mt_lk_heal_info_t,
+ gf_afr_mt_gf_lock,
gf_afr_mt_end
};
#endif
-
diff --git a/xlators/cluster/afr/src/afr-messages.h b/xlators/cluster/afr/src/afr-messages.h
index 8aa94730158..e73fd997765 100644
--- a/xlators/cluster/afr/src/afr-messages.h
+++ b/xlators/cluster/afr/src/afr-messages.h
@@ -11,7 +11,7 @@
#ifndef _AFR_MESSAGES_H_
#define _AFR_MESSAGES_H_
-#include "glfs-message-id.h"
+#include <glusterfs/glfs-message-id.h>
/* To add new message IDs, append new identifiers at the end of the list.
*
@@ -23,51 +23,145 @@
* glfs-message-id.h.
*/
-GLFS_MSGID(AFR,
- AFR_MSG_QUORUM_FAIL,
- AFR_MSG_QUORUM_MET,
- AFR_MSG_QUORUM_OVERRIDE,
- AFR_MSG_INVALID_CHILD_UP,
- AFR_MSG_SUBVOL_UP,
- AFR_MSG_SUBVOLS_DOWN,
- AFR_MSG_ENTRY_UNLOCK_FAIL,
- AFR_MSG_SPLIT_BRAIN,
- AFR_MSG_OPEN_FAIL,
- AFR_MSG_UNLOCK_FAIL,
- AFR_MSG_REPLACE_BRICK_STATUS,
- AFR_MSG_GFID_NULL,
- AFR_MSG_FD_CREATE_FAILED,
- AFR_MSG_DICT_SET_FAILED,
- AFR_MSG_EXPUNGING_FILE_OR_DIR,
- AFR_MSG_MIGRATION_IN_PROGRESS,
- AFR_MSG_CHILD_MISCONFIGURED,
- AFR_MSG_VOL_MISCONFIGURED,
- AFR_MSG_BLOCKING_LKS_FAILED,
- AFR_MSG_INVALID_FD,
- AFR_MSG_LOCK_INFO,
- AFR_MSG_LOCK_XLATOR_NOT_LOADED,
- AFR_MSG_FD_CTX_GET_FAILED,
- AFR_MSG_INVALID_SUBVOL,
- AFR_MSG_PUMP_XLATOR_ERROR,
- AFR_MSG_SELF_HEAL_INFO,
- AFR_MSG_READ_SUBVOL_ERROR,
- AFR_MSG_DICT_GET_FAILED,
- AFR_MSG_INFO_COMMON,
- AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR,
- AFR_MSG_LOCAL_CHILD,
- AFR_MSG_INVALID_DATA,
- AFR_MSG_INVALID_ARG,
- AFR_MSG_INDEX_DIR_GET_FAILED,
- AFR_MSG_FSYNC_FAILED,
- AFR_MSG_FAVORITE_CHILD,
- AFR_MSG_SELF_HEAL_FAILED,
- AFR_MSG_SPLIT_BRAIN_STATUS,
- AFR_MSG_ADD_BRICK_STATUS,
- AFR_MSG_NO_CHANGELOG,
- AFR_MSG_TIMER_CREATE_FAIL,
- AFR_MSG_SBRAIN_FAV_CHILD_POLICY,
- AFR_MSG_INODE_CTX_GET_FAILED,
- AFR_MSG_THIN_ARB
-);
+GLFS_MSGID(
+ AFR, AFR_MSG_QUORUM_FAIL, AFR_MSG_QUORUM_MET, AFR_MSG_QUORUM_OVERRIDE,
+ AFR_MSG_INVALID_CHILD_UP, AFR_MSG_SUBVOL_UP, AFR_MSG_SUBVOLS_DOWN,
+ AFR_MSG_ENTRY_UNLOCK_FAIL, AFR_MSG_SPLIT_BRAIN, AFR_MSG_OPEN_FAIL,
+ AFR_MSG_UNLOCK_FAIL, AFR_MSG_REPLACE_BRICK_STATUS, AFR_MSG_GFID_NULL,
+ AFR_MSG_FD_CREATE_FAILED, AFR_MSG_DICT_SET_FAILED,
+ AFR_MSG_EXPUNGING_FILE_OR_DIR, AFR_MSG_MIGRATION_IN_PROGRESS,
+ AFR_MSG_CHILD_MISCONFIGURED, AFR_MSG_VOL_MISCONFIGURED,
+ AFR_MSG_INTERNAL_LKS_FAILED, AFR_MSG_INVALID_FD, AFR_MSG_LOCK_INFO,
+ AFR_MSG_LOCK_XLATOR_NOT_LOADED, AFR_MSG_FD_CTX_GET_FAILED,
+ AFR_MSG_INVALID_SUBVOL, AFR_MSG_PUMP_XLATOR_ERROR, AFR_MSG_SELF_HEAL_INFO,
+ AFR_MSG_READ_SUBVOL_ERROR, AFR_MSG_DICT_GET_FAILED, AFR_MSG_INFO_COMMON,
+ AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR, AFR_MSG_LOCAL_CHILD, AFR_MSG_INVALID_DATA,
+ AFR_MSG_INVALID_ARG, AFR_MSG_INDEX_DIR_GET_FAILED, AFR_MSG_FSYNC_FAILED,
+ AFR_MSG_FAVORITE_CHILD, AFR_MSG_SELF_HEAL_FAILED,
+ AFR_MSG_SPLIT_BRAIN_STATUS, AFR_MSG_ADD_BRICK_STATUS, AFR_MSG_NO_CHANGELOG,
+ AFR_MSG_TIMER_CREATE_FAIL, AFR_MSG_SBRAIN_FAV_CHILD_POLICY,
+ AFR_MSG_INODE_CTX_GET_FAILED, AFR_MSG_THIN_ARB,
+ AFR_MSG_THIN_ARB_XATTROP_FAILED, AFR_MSG_THIN_ARB_LOC_POP_FAILED,
+ AFR_MSG_GET_PEND_VAL, AFR_MSG_THIN_ARB_SKIP_SHD, AFR_MSG_UNKNOWN_SET,
+ AFR_MSG_NO_XL_ID, AFR_MSG_SELF_HEAL_INFO_START,
+ AFR_MSG_SELF_HEAL_INFO_FINISH, AFR_MSG_INCRE_COUNT,
+ AFR_MSG_ADD_TO_OUTPUT_FAILED, AFR_MSG_SET_TIME_FAILED,
+ AFR_MSG_GFID_MISMATCH_DETECTED, AFR_MSG_GFID_HEAL_MSG,
+ AFR_MSG_THIN_ARB_LOOKUP_FAILED, AFR_MSG_DICT_CREATE_FAILED,
+ AFR_MSG_NO_MAJORITY_TO_RESOLVE, AFR_MSG_TYPE_MISMATCH,
+ AFR_MSG_SIZE_POLICY_NOT_APPLICABLE, AFR_MSG_NO_CHILD_SELECTED,
+ AFR_MSG_INVALID_CHILD, AFR_MSG_RESOLVE_CONFLICTING_DATA,
+ SERROR_GETTING_SRC_BRICK, SNO_DIFF_IN_MTIME, SNO_BIGGER_FILE,
+ SALL_BRICKS_UP_TO_RESOLVE, AFR_MSG_UNLOCK_FAILED, AFR_MSG_POST_OP_FAILED,
+ AFR_MSG_TA_FRAME_CREATE_FAILED, AFR_MSG_SET_KEY_XATTROP_FAILED,
+ AFR_MSG_BLOCKING_ENTRYLKS_FAILED, AFR_MSG_FOP_FAILED,
+ AFR_MSG_CLEAN_UP_FAILED, AFR_MSG_UNABLE_TO_FETCH, AFR_MSG_XATTR_SET_FAILED,
+ AFR_MSG_SPLIT_BRAIN_REPLICA, AFR_MSG_INODE_CTX_FAILED,
+ AFR_MSG_LOOKUP_FAILED, AFR_MSG_ALL_SUBVOLS_DOWN,
+ AFR_MSG_RELEASE_LOCK_FAILED, AFR_MSG_CLEAR_TIME_SPLIT_BRAIN,
+ AFR_MSG_READ_FAILED, AFR_MSG_LAUNCH_FAILED, AFR_MSG_READ_SUBVOL_NOT_UP,
+ AFR_MSG_LK_HEAL_DOM, AFR_MSG_NEW_BRICK, AFR_MSG_SPLIT_BRAIN_SET_FAILED,
+ AFR_MSG_SPLIT_BRAIN_DETERMINE_FAILED, AFR_MSG_HEALER_SPAWN_FAILED,
+ AFR_MSG_ADD_CRAWL_EVENT_FAILED, AFR_MSG_NULL_DEREF, AFR_MSG_SET_PEND_XATTR,
+ AFR_MSG_INTERNAL_ATTR);
+#define AFR_MSG_DICT_GET_FAILED_STR "Dict get failed"
+#define AFR_MSG_DICT_SET_FAILED_STR "Dict set failed"
+#define AFR_MSG_HEALER_SPAWN_FAILED_STR "Healer spawn failed"
+#define AFR_MSG_ADD_CRAWL_EVENT_FAILED_STR "Adding crawl event failed"
+#define AFR_MSG_INVALID_ARG_STR "Invalid argument"
+#define AFR_MSG_INDEX_DIR_GET_FAILED_STR "unable to get index-dir on "
+#define AFR_MSG_THIN_ARB_LOOKUP_FAILED_STR "Failed lookup on file"
+#define AFR_MSG_DICT_CREATE_FAILED_STR "Failed to create dict."
+#define AFR_MSG_THIN_ARB_XATTROP_FAILED_STR "Xattrop failed."
+#define AFR_MSG_THIN_ARB_LOC_POP_FAILED_STR \
+ "Failed to populate loc for thin-arbiter"
+#define AFR_MSG_GET_PEND_VAL_STR "Error getting value of pending"
+#define AFR_MSG_THIN_ARB_SKIP_SHD_STR "I am not the god shd. skipping."
+#define AFR_MSG_UNKNOWN_SET_STR "Unknown set"
+#define AFR_MSG_NO_XL_ID_STR "xl does not have id"
+#define AFR_MSG_SELF_HEAL_INFO_START_STR "starting full sweep on"
+#define AFR_MSG_SELF_HEAL_INFO_FINISH_STR "finished full sweep on"
+#define AFR_MSG_INCRE_COUNT_STR "Could not increment the counter."
+#define AFR_MSG_ADD_TO_OUTPUT_FAILED_STR "Could not add to output"
+#define AFR_MSG_SET_TIME_FAILED_STR "Could not set time"
+#define AFR_MSG_GFID_HEAL_MSG_STR "Error setting gfid-heal-msg dict"
+#define AFR_MSG_NO_MAJORITY_TO_RESOLVE_STR \
+ "No majority to resolve gfid split brain"
+#define AFR_MSG_GFID_MISMATCH_DETECTED_STR "Gfid mismatch dectected"
+#define AFR_MSG_SELF_HEAL_INFO_STR "performing selfheal"
+#define AFR_MSG_TYPE_MISMATCH_STR "TYPE mismatch"
+#define AFR_MSG_SIZE_POLICY_NOT_APPLICABLE_STR \
+ "Size policy is not applicable to directories."
+#define AFR_MSG_NO_CHILD_SELECTED_STR \
+ "No child selected by favorite-child policy"
+#define AFR_MSG_INVALID_CHILD_STR "Invalid child"
+#define AFR_MSG_RESOLVE_CONFLICTING_DATA_STR \
+ "selected as authentic to resolve conflicting data"
+#define SERROR_GETTING_SRC_BRICK_STR "Error getting the source brick"
+#define SNO_DIFF_IN_MTIME_STR "No difference in mtime"
+#define SNO_BIGGER_FILE_STR "No bigger file"
+#define SALL_BRICKS_UP_TO_RESOLVE_STR \
+ "All the bricks should be up to resolve the gfid split brain"
+#define AFR_MSG_UNLOCK_FAILED_STR "Failed to unlock"
+#define AFR_MSG_POST_OP_FAILED_STR "Post-op on thin-arbiter failed"
+#define AFR_MSG_TA_FRAME_CREATE_FAILED_STR "Failed to create ta_frame"
+#define AFR_MSG_SET_KEY_XATTROP_FAILED_STR "Could not set key during xattrop"
+#define AFR_MSG_BLOCKING_ENTRYLKS_FAILED_STR "Blocking entrylks failed"
+#define AFR_MSG_FSYNC_FAILED_STR "fsync failed"
+#define AFR_MSG_QUORUM_FAIL_STR "quorum is not met"
+#define AFR_MSG_FOP_FAILED_STR "Failing Fop"
+#define AFR_MSG_INVALID_SUBVOL_STR "not a subvolume"
+#define AFR_MSG_VOL_MISCONFIGURED_STR "Volume is dangling"
+#define AFR_MSG_CHILD_MISCONFIGURED_STR \
+ "replicate translator needs more than one subvolume defined"
+#define AFR_MSG_CLEAN_UP_FAILED_STR "Failed to clean up healer threads"
+#define AFR_MSG_QUORUM_OVERRIDE_STR "overriding quorum-count"
+#define AFR_MSG_UNABLE_TO_FETCH_STR \
+ "Unable to fetch afr-pending-xattr option from volfile. Falling back to " \
+ "using client translator names"
+#define AFR_MSG_NULL_DEREF_STR "possible NULL deref"
+#define AFR_MSG_XATTR_SET_FAILED_STR "Cannot set xattr cookie key"
+#define AFR_MSG_SPLIT_BRAIN_STATUS_STR "Failed to create synctask"
+#define AFR_MSG_SUBVOLS_DOWN_STR "All subvolumes are not up"
+#define AFR_MSG_SPLIT_BRAIN_CHOICE_ERROR_STR \
+ "Failed to cancel split-brain choice"
+#define AFR_MSG_SPLIT_BRAIN_REPLICA_STR \
+ "Cannot set replica. File is not in data/metadata split-brain"
+#define AFR_MSG_INODE_CTX_FAILED_STR "Failed to get inode_ctx"
+#define AFR_MSG_READ_SUBVOL_ERROR_STR "no read subvols"
+#define AFR_MSG_LOCAL_CHILD_STR "selecting local read-child"
+#define AFR_MSG_LOOKUP_FAILED_STR "Failed to lookup/create thin-arbiter id file"
+#define AFR_MSG_TIMER_CREATE_FAIL_STR \
+ "Cannot create timer for delayed initialization"
+#define AFR_MSG_SUBVOL_UP_STR "Subvolume came back up; going online"
+#define AFR_MSG_ALL_SUBVOLS_DOWN_STR \
+ "All subvolumes are down. Going offline until atleast one of them is up"
+#define AFR_MSG_RELEASE_LOCK_FAILED_STR "Failed to release lock"
+#define AFR_MSG_INVALID_CHILD_UP_STR "Received child_up from invalid subvolume"
+#define AFR_MSG_QUORUM_MET_STR "Client-quorum is met"
+#define AFR_MSG_EXPUNGING_FILE_OR_DIR_STR "expunging file or dir"
+#define AFR_MSG_SELF_HEAL_FAILED_STR "Invalid"
+#define AFR_MSG_SPLIT_BRAIN_STR "Skipping conservative mergeon the file"
+#define AFR_MSG_CLEAR_TIME_SPLIT_BRAIN_STR "clear time split brain"
+#define AFR_MSG_READ_FAILED_STR "Failing read since good brick is down"
+#define AFR_MSG_LAUNCH_FAILED_STR "Failed to launch synctask"
+#define AFR_MSG_READ_SUBVOL_NOT_UP_STR \
+ "read subvolume in this generation is not up"
+#define AFR_MSG_INTERNAL_LKS_FAILED_STR \
+ "Unable to work with lk-owner while attempting fop"
+#define AFR_MSG_LOCK_XLATOR_NOT_LOADED_STR \
+ "subvolume does not support locking. please load features/locks xlator " \
+ "on server."
+#define AFR_MSG_FD_CTX_GET_FAILED_STR "unable to get fd ctx"
+#define AFR_MSG_INFO_COMMON_STR "fd not open on any subvolumes, aborting."
+#define AFR_MSG_REPLACE_BRICK_STATUS_STR "Couldn't acquire lock on any child."
+#define AFR_MSG_NEW_BRICK_STR "New brick"
+#define AFR_MSG_SPLIT_BRAIN_SET_FAILED_STR \
+ "Failed to set split-brain choice to -1"
+#define AFR_MSG_SPLIT_BRAIN_DETERMINE_FAILED_STR \
+ "Failed to determine split-brain. Aborting split-brain-choice set"
+#define AFR_MSG_OPEN_FAIL_STR "Failed to open subvolume"
+#define AFR_MSG_SET_PEND_XATTR_STR "Set of pending xattr"
+#define AFR_MSG_INTERNAL_ATTR_STR "is an internal extended attribute"
#endif /* !_AFR_MESSAGES_H_ */
diff --git a/xlators/cluster/afr/src/afr-open.c b/xlators/cluster/afr/src/afr-open.c
index 3057deed604..64856042b65 100644
--- a/xlators/cluster/afr/src/afr-open.c
+++ b/xlators/cluster/afr/src/afr-open.c
@@ -8,364 +8,346 @@
cases as published by the Free Software Foundation.
*/
-#include <libgen.h>
#include <unistd.h>
-#include <fnmatch.h>
#include <sys/time.h>
#include <stdlib.h>
#include <signal.h>
-#include "glusterfs.h"
+#include <glusterfs/glusterfs.h>
#include "afr.h"
-#include "dict.h"
-#include "xlator.h"
-#include "hashfn.h"
-#include "logging.h"
-#include "list.h"
-#include "call-stub.h"
-#include "defaults.h"
-#include "common-utils.h"
-#include "compat-errno.h"
-#include "compat.h"
-#include "byte-order.h"
-#include "statedump.h"
-
-#include "afr-inode-read.h"
-#include "afr-inode-write.h"
-#include "afr-dir-read.h"
-#include "afr-dir-write.h"
-#include "afr-transaction.h"
+#include <glusterfs/dict.h>
+#include <glusterfs/logging.h>
+#include <glusterfs/defaults.h>
+#include <glusterfs/common-utils.h>
+#include <glusterfs/compat-errno.h>
+#include <glusterfs/compat.h>
+#include <glusterfs/byte-order.h>
+#include <glusterfs/statedump.h>
+#include "afr-transaction.h"
gf_boolean_t
-afr_is_fd_fixable (fd_t *fd)
+afr_is_fd_fixable(fd_t *fd)
{
- if (!fd || !fd->inode)
- return _gf_false;
- else if (fd_is_anonymous (fd))
- return _gf_false;
- else if (gf_uuid_is_null (fd->inode->gfid))
- return _gf_false;
-
- return _gf_true;
+ if (!fd || !fd->inode)
+ return _gf_false;
+ else if (fd_is_anonymous(fd))
+ return _gf_false;
+ else if (gf_uuid_is_null(fd->inode->gfid))
+ return _gf_false;
+
+ return _gf_true;
}
-
int
-afr_open_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+afr_open_ftruncate_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- afr_local_t * local = frame->local;
+ afr_local_t *local = frame->local;
- AFR_STACK_UNWIND (open, frame, local->op_ret, local->op_errno,
- local->fd, xdata);
- return 0;
+ AFR_STACK_UNWIND(open, frame, local->op_ret, local->op_errno,
+ local->cont.open.fd, xdata);
+ return 0;
}
int
-afr_open_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- fd_t *fd, dict_t *xdata)
+afr_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, fd_t *fd, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int call_count = -1;
- int child_index = (long) cookie;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- local = frame->local;
- fd_ctx = local->fd_ctx;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
- } else {
- local->op_ret = op_ret;
- fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
- if (!local->xdata_rsp && xdata)
- local->xdata_rsp = dict_ref (xdata);
- }
+ afr_local_t *local = NULL;
+ int call_count = -1;
+ int child_index = (long)cookie;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ local = frame->local;
+ fd_ctx = local->fd_ctx;
+
+ local->replies[child_index].valid = 1;
+ local->replies[child_index].op_ret = op_ret;
+ local->replies[child_index].op_errno = op_errno;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
+ } else {
+ local->op_ret = op_ret;
+ fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
+ if (!local->xdata_rsp && xdata)
+ local->xdata_rsp = dict_ref(xdata);
}
- UNLOCK (&frame->lock);
-
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- if ((fd_ctx->flags & O_TRUNC) && (local->op_ret >= 0)) {
- STACK_WIND (frame, afr_open_ftruncate_cbk,
- this, this->fops->ftruncate,
- fd, 0, NULL);
- } else {
- AFR_STACK_UNWIND (open, frame, local->op_ret,
- local->op_errno, local->cont.open.fd,
- local->xdata_rsp);
- }
+ call_count = --local->call_count;
+ }
+ UNLOCK(&frame->lock);
+
+ if (call_count == 0) {
+ afr_handle_replies_quorum(frame, this);
+ if (local->op_ret == -1) {
+ AFR_STACK_UNWIND(open, frame, local->op_ret, local->op_errno, NULL,
+ NULL);
+ } else if (fd_ctx->flags & O_TRUNC) {
+ STACK_WIND(frame, afr_open_ftruncate_cbk, this,
+ this->fops->ftruncate, fd, 0, NULL);
+ } else {
+ AFR_STACK_UNWIND(open, frame, local->op_ret, local->op_errno,
+ local->cont.open.fd, local->xdata_rsp);
}
+ }
- return 0;
+ return 0;
}
-
int
-afr_open_continue (call_frame_t *frame, xlator_t *this, int err)
+afr_open_continue(call_frame_t *frame, xlator_t *this, int err)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = 0;
- int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = 0;
+ int i = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- if (err) {
- AFR_STACK_UNWIND (open, frame, -1, err, NULL, NULL);
- } else {
- local->call_count = AFR_COUNT (local->child_up,
- priv->child_count);
- call_count = local->call_count;
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->child_up[i]) {
- STACK_WIND_COOKIE (frame, afr_open_cbk,
- (void *)(long)i,
- priv->children[i],
- priv->children[i]->fops->open,
- &local->loc,
- (local->cont.open.flags & ~O_TRUNC),
- local->cont.open.fd,
- local->xdata_req);
- if (!--call_count)
- break;
- }
- }
+ if (err) {
+ AFR_STACK_UNWIND(open, frame, -1, err, NULL, NULL);
+ } else {
+ local->call_count = AFR_COUNT(local->child_up, priv->child_count);
+ call_count = local->call_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i]) {
+ STACK_WIND_COOKIE(frame, afr_open_cbk, (void *)(long)i,
+ priv->children[i],
+ priv->children[i]->fops->open, &local->loc,
+ (local->cont.open.flags & ~O_TRUNC),
+ local->cont.open.fd, local->xdata_req);
+ if (!--call_count)
+ break;
+ }
}
- return 0;
+ }
+ return 0;
}
int
-afr_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
- fd_t *fd, dict_t *xdata)
+afr_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int spb_choice = 0;
- int event_generation = 0;
- int ret = 0;
- int32_t op_errno = 0;
- afr_fd_ctx_t *fd_ctx = NULL;
-
- //We can't let truncation to happen outside transaction.
-
- priv = this->private;
-
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
-
- local->op = GF_FOP_OPEN;
- fd_ctx = afr_fd_ctx_get (fd, this);
- if (!fd_ctx) {
- op_errno = ENOMEM;
- goto out;
- }
-
- if (!afr_is_consistent_io_possible (local, priv, &op_errno))
- goto out;
-
- local->inode = inode_ref (loc->inode);
- loc_copy (&local->loc, loc);
- local->fd_ctx = fd_ctx;
- fd_ctx->flags = flags;
- if (xdata)
- local->xdata_req = dict_ref (xdata);
-
- local->cont.open.flags = flags;
- local->cont.open.fd = fd_ref (fd);
-
- ret = afr_inode_get_readable (frame, local->inode, this,
- NULL, &event_generation,
- AFR_DATA_TRANSACTION);
- if ((ret < 0) &&
- (afr_inode_split_brain_choice_get (local->inode,
- this, &spb_choice) == 0) &&
- spb_choice < 0) {
- afr_inode_refresh (frame, this, local->inode,
- local->inode->gfid, afr_open_continue);
- } else {
- afr_open_continue (frame, this, 0);
- }
-
- return 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int spb_subvol = 0;
+ int event_generation = 0;
+ int ret = 0;
+ int32_t op_errno = 0;
+ afr_fd_ctx_t *fd_ctx = NULL;
+
+ // We can't let truncation to happen outside transaction.
+
+ priv = this->private;
+
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
+
+ local->op = GF_FOP_OPEN;
+ fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!fd_ctx) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ if (priv->quorum_count && !afr_has_quorum(local->child_up, this, NULL)) {
+ op_errno = afr_quorum_errno(priv);
+ goto out;
+ }
+
+ if (!afr_is_consistent_io_possible(local, priv, &op_errno))
+ goto out;
+
+ local->inode = inode_ref(loc->inode);
+ loc_copy(&local->loc, loc);
+ local->fd_ctx = fd_ctx;
+ fd_ctx->flags = flags;
+ if (xdata)
+ local->xdata_req = dict_ref(xdata);
+
+ local->cont.open.flags = flags;
+ local->cont.open.fd = fd_ref(fd);
+
+ ret = afr_inode_get_readable(frame, local->inode, this, NULL,
+ &event_generation, AFR_DATA_TRANSACTION);
+ if ((ret < 0) &&
+ (afr_split_brain_read_subvol_get(local->inode, this, NULL,
+ &spb_subvol) == 0) &&
+ spb_subvol < 0) {
+ afr_inode_refresh(frame, this, local->inode, local->inode->gfid,
+ afr_open_continue);
+ } else {
+ afr_open_continue(frame, this, 0);
+ }
+
+ return 0;
out:
- AFR_STACK_UNWIND (open, frame, -1, op_errno, fd, NULL);
+ AFR_STACK_UNWIND(open, frame, -1, op_errno, fd, NULL);
- return 0;
+ return 0;
}
int
-afr_openfd_fix_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, fd_t *fd,
- dict_t *xdata)
+afr_openfd_fix_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_fd_ctx_t *fd_ctx = NULL;
- int call_count = 0;
- int child_index = (long) cookie;
-
- priv = this->private;
- local = frame->local;
-
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ int call_count = 0;
+ int child_index = (long)cookie;
+
+ priv = this->private;
+ local = frame->local;
+
+ if (op_ret >= 0) {
+ gf_msg_debug(this->name, 0,
+ "fd for %s opened "
+ "successfully on subvolume %s",
+ local->loc.path, priv->children[child_index]->name);
+ } else {
+ gf_smsg(this->name, fop_log_level(GF_FOP_OPEN, op_errno), op_errno,
+ AFR_MSG_OPEN_FAIL, "path=%s", local->loc.path, "subvolume=%s",
+ priv->children[child_index]->name, NULL);
+ }
+
+ fd_ctx = local->fd_ctx;
+
+ LOCK(&local->fd->lock);
+ {
if (op_ret >= 0) {
- gf_msg_debug (this->name, 0, "fd for %s opened "
- "successfully on subvolume %s", local->loc.path,
- priv->children[child_index]->name);
+ fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
} else {
- gf_msg (this->name, fop_log_level (GF_FOP_OPEN, op_errno),
- op_errno, AFR_MSG_OPEN_FAIL, "Failed to open %s on "
- "subvolume %s", local->loc.path,
- priv->children[child_index]->name);
+ fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
}
+ }
+ UNLOCK(&local->fd->lock);
- fd_ctx = local->fd_ctx;
+ call_count = afr_frame_return(frame);
+ if (call_count == 0)
+ AFR_STACK_DESTROY(frame);
- LOCK (&local->fd->lock);
- {
- if (op_ret >= 0) {
- fd_ctx->opened_on[child_index] = AFR_FD_OPENED;
- } else {
- fd_ctx->opened_on[child_index] = AFR_FD_NOT_OPENED;
- }
- }
- UNLOCK (&local->fd->lock);
+ return 0;
+}
- call_count = afr_frame_return (frame);
- if (call_count == 0)
- AFR_STACK_DESTROY (frame);
+static int
+afr_fd_ctx_need_open(fd_t *fd, xlator_t *this, unsigned char *need_open)
+{
+ afr_fd_ctx_t *fd_ctx = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int count = 0;
+ priv = this->private;
+
+ fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!fd_ctx)
return 0;
-}
+ LOCK(&fd->lock);
+ {
+ for (i = 0; i < priv->child_count; i++) {
+ if (fd_ctx->opened_on[i] == AFR_FD_NOT_OPENED &&
+ priv->child_up[i]) {
+ fd_ctx->opened_on[i] = AFR_FD_OPENING;
+ need_open[i] = 1;
+ count++;
+ } else {
+ need_open[i] = 0;
+ }
+ }
+ }
+ UNLOCK(&fd->lock);
-static int
-afr_fd_ctx_need_open (fd_t *fd, xlator_t *this, unsigned char *need_open)
-{
- afr_fd_ctx_t *fd_ctx = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- int count = 0;
-
- priv = this->private;
-
- fd_ctx = afr_fd_ctx_get (fd, this);
- if (!fd_ctx)
- return 0;
-
- LOCK (&fd->lock);
- {
- for (i = 0; i < priv->child_count; i++) {
- if (fd_ctx->opened_on[i] == AFR_FD_NOT_OPENED &&
- priv->child_up[i]) {
- fd_ctx->opened_on[i] = AFR_FD_OPENING;
- need_open[i] = 1;
- count++;
- } else {
- need_open[i] = 0;
- }
- }
- }
- UNLOCK (&fd->lock);
-
- return count;
+ return count;
}
-
void
-afr_fix_open (fd_t *fd, xlator_t *this)
+afr_fix_open(fd_t *fd, xlator_t *this)
{
- afr_private_t *priv = NULL;
- int i = 0;
- call_frame_t *frame = NULL;
- afr_local_t *local = NULL;
- int ret = -1;
- int32_t op_errno = 0;
- afr_fd_ctx_t *fd_ctx = NULL;
- unsigned char *need_open = NULL;
- int call_count = 0;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ int ret = -1;
+ int32_t op_errno = 0;
+ afr_fd_ctx_t *fd_ctx = NULL;
+ unsigned char *need_open = NULL;
+ int call_count = 0;
- priv = this->private;
+ priv = this->private;
- if (!afr_is_fd_fixable (fd))
- goto out;
+ if (!afr_is_fd_fixable(fd))
+ goto out;
- fd_ctx = afr_fd_ctx_get (fd, this);
- if (!fd_ctx)
- goto out;
+ fd_ctx = afr_fd_ctx_get(fd, this);
+ if (!fd_ctx)
+ goto out;
- need_open = alloca0 (priv->child_count);
+ need_open = alloca0(priv->child_count);
- call_count = afr_fd_ctx_need_open (fd, this, need_open);
- if (!call_count)
- goto out;
+ call_count = afr_fd_ctx_need_open(fd, this, need_open);
+ if (!call_count)
+ goto out;
- frame = create_frame (this, this->ctx->pool);
- if (!frame)
- goto out;
+ frame = create_frame(this, this->ctx->pool);
+ if (!frame)
+ goto out;
- local = AFR_FRAME_INIT (frame, op_errno);
- if (!local)
- goto out;
+ local = AFR_FRAME_INIT(frame, op_errno);
+ if (!local)
+ goto out;
- local->loc.inode = inode_ref (fd->inode);
- ret = loc_path (&local->loc, NULL);
- if (ret < 0)
- goto out;
+ local->loc.inode = inode_ref(fd->inode);
+ ret = loc_path(&local->loc, NULL);
+ if (ret < 0)
+ goto out;
- local->fd = fd_ref (fd);
- local->fd_ctx = fd_ctx;
+ local->fd = fd_ref(fd);
+ local->fd_ctx = fd_ctx;
- local->call_count = call_count;
+ local->call_count = call_count;
- gf_msg_debug (this->name, 0, "need open count: %d",
- call_count);
+ gf_msg_debug(this->name, 0, "need open count: %d", call_count);
- for (i = 0; i < priv->child_count; i++) {
- if (!need_open[i])
- continue;
-
- if (IA_IFDIR == fd->inode->ia_type) {
- gf_msg_debug (this->name, 0,
- "opening fd for dir %s on subvolume %s",
- local->loc.path, priv->children[i]->name);
-
- STACK_WIND_COOKIE (frame, afr_openfd_fix_open_cbk,
- (void*) (long) i,
- priv->children[i],
- priv->children[i]->fops->opendir,
- &local->loc, local->fd,
- NULL);
- } else {
- gf_msg_debug (this->name, 0,
- "opening fd for file %s on subvolume %s",
- local->loc.path, priv->children[i]->name);
-
- STACK_WIND_COOKIE (frame, afr_openfd_fix_open_cbk,
- (void *)(long) i,
- priv->children[i],
- priv->children[i]->fops->open,
- &local->loc,
- fd_ctx->flags & (~O_TRUNC),
- local->fd, NULL);
- }
-
- if (!--call_count)
- break;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!need_open[i])
+ continue;
+
+ if (IA_IFDIR == fd->inode->ia_type) {
+ gf_msg_debug(this->name, 0, "opening fd for dir %s on subvolume %s",
+ local->loc.path, priv->children[i]->name);
+
+ STACK_WIND_COOKIE(frame, afr_openfd_fix_open_cbk, (void *)(long)i,
+ priv->children[i],
+ priv->children[i]->fops->opendir, &local->loc,
+ local->fd, NULL);
+ } else {
+ gf_msg_debug(this->name, 0,
+ "opening fd for file %s on subvolume %s",
+ local->loc.path, priv->children[i]->name);
+
+ STACK_WIND_COOKIE(frame, afr_openfd_fix_open_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->open,
+ &local->loc, fd_ctx->flags & (~O_TRUNC),
+ local->fd, NULL);
}
- return;
+ if (!--call_count)
+ break;
+ }
+
+ return;
out:
- if (frame)
- AFR_STACK_DESTROY (frame);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
}
diff --git a/xlators/cluster/afr/src/afr-read-txn.c b/xlators/cluster/afr/src/afr-read-txn.c
index a66a6660b0d..6fc2c75145c 100644
--- a/xlators/cluster/afr/src/afr-read-txn.c
+++ b/xlators/cluster/afr/src/afr-read-txn.c
@@ -13,140 +13,327 @@
#include "afr-messages.h"
void
-afr_pending_read_increment (afr_private_t *priv, int child_index)
+afr_pending_read_increment(afr_private_t *priv, int child_index)
{
- if (child_index < 0 || child_index > priv->child_count)
- return;
+ if (child_index < 0 || child_index > priv->child_count)
+ return;
- GF_ATOMIC_INC(priv->pending_reads[child_index]);
+ GF_ATOMIC_INC(priv->pending_reads[child_index]);
}
void
-afr_pending_read_decrement (afr_private_t *priv, int child_index)
+afr_pending_read_decrement(afr_private_t *priv, int child_index)
{
- if (child_index < 0 || child_index > priv->child_count)
- return;
+ if (child_index < 0 || child_index > priv->child_count)
+ return;
- GF_ATOMIC_DEC(priv->pending_reads[child_index]);
+ GF_ATOMIC_DEC(priv->pending_reads[child_index]);
}
void
-afr_read_txn_wind (call_frame_t *frame, xlator_t *this, int subvol)
+afr_read_txn_wind(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- afr_pending_read_decrement (priv, local->read_subvol);
- local->read_subvol = subvol;
- afr_pending_read_increment (priv, subvol);
- local->readfn (frame, this, subvol);
+ afr_pending_read_decrement(priv, local->read_subvol);
+ local->read_subvol = subvol;
+ afr_pending_read_increment(priv, subvol);
+ local->readfn(frame, this, subvol);
}
int
-afr_read_txn_next_subvol (call_frame_t *frame, xlator_t *this)
+afr_read_txn_next_subvol(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- int subvol = -1;
-
- local = frame->local;
- priv = this->private;
-
-
- for (i = 0; i < priv->child_count; i++) {
- if (!local->readable[i]) {
- /* don't even bother trying here.
- just mark as attempted and move on. */
- local->read_attempted[i] = 1;
- continue;
- }
-
- if (!local->read_attempted[i]) {
- subvol = i;
- break;
- }
- }
-
- /* If no more subvols were available for reading, we leave
- @subvol as -1, which is an indication we have run out of
- readable subvols. */
- if (subvol != -1)
- local->read_attempted[subvol] = 1;
- afr_read_txn_wind (frame, this, subvol);
-
- return 0;
-}
-
-int
-afr_read_txn_refresh_done (call_frame_t *frame, xlator_t *this, int err)
-{
- afr_local_t *local = NULL;
- int read_subvol = 0;
- inode_t *inode = NULL;
- int ret = -1;
- int spb_choice = -1;
-
- local = frame->local;
- inode = local->inode;
-
- if (err) {
- read_subvol = -1;
- goto readfn;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int subvol = -1;
+
+ local = frame->local;
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->readable[i]) {
+ /* don't even bother trying here.
+ just mark as attempted and move on. */
+ local->read_attempted[i] = 1;
+ continue;
}
- read_subvol = afr_read_subvol_select_by_policy (inode, this,
- local->readable, NULL);
- if (read_subvol == -1) {
- err = EIO;
- goto readfn;
+ if (!local->read_attempted[i]) {
+ subvol = i;
+ break;
}
+ }
- if (local->read_attempted[read_subvol]) {
- afr_read_txn_next_subvol (frame, this);
- return 0;
- }
+ /* If no more subvols were available for reading, we leave
+ @subvol as -1, which is an indication we have run out of
+ readable subvols. */
+ if (subvol != -1)
+ local->read_attempted[subvol] = 1;
+ afr_read_txn_wind(frame, this, subvol);
- local->read_attempted[read_subvol] = 1;
-readfn:
- if (read_subvol == -1) {
- ret = afr_inode_split_brain_choice_get (inode, this,
- &spb_choice);
- if ((ret == 0) && spb_choice >= 0)
- read_subvol = spb_choice;
- }
+ return 0;
+}
- if (read_subvol == -1) {
- AFR_SET_ERROR_AND_CHECK_SPLIT_BRAIN (-1, err);
- }
- afr_read_txn_wind (frame, this, read_subvol);
+static int
+afr_ta_read_txn_done(int ret, call_frame_t *ta_frame, void *opaque)
+{
+ STACK_DESTROY(ta_frame->root);
+ return 0;
+}
+
+static int
+afr_ta_read_txn(void *opaque)
+{
+ call_frame_t *frame = NULL;
+ xlator_t *this = NULL;
+ int read_subvol = -1;
+ int query_child = AFR_CHILD_UNKNOWN;
+ int possible_bad_child = AFR_CHILD_UNKNOWN;
+ int ret = 0;
+ int op_errno = ENOMEM;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ struct gf_flock flock = {
+ 0,
+ };
+ dict_t *xdata_req = NULL;
+ dict_t *xdata_rsp = NULL;
+ int **pending = NULL;
+ loc_t loc = {
+ 0,
+ };
+
+ frame = (call_frame_t *)opaque;
+ this = frame->this;
+ local = frame->local;
+ priv = this->private;
+ query_child = local->read_txn_query_child;
+
+ if (query_child == AFR_CHILD_ZERO) {
+ possible_bad_child = AFR_CHILD_ONE;
+ } else if (query_child == AFR_CHILD_ONE) {
+ possible_bad_child = AFR_CHILD_ZERO;
+ } else {
+ /*read_txn_query_child is AFR_CHILD_UNKNOWN*/
+ goto out;
+ }
+
+ /* Ask the query_child to see if it blames the possibly bad one. */
+ xdata_req = dict_new();
+ if (!xdata_req)
+ goto out;
+
+ pending = afr_matrix_create(priv->child_count, AFR_NUM_CHANGE_LOGS);
+ if (!pending)
+ goto out;
+
+ ret = afr_set_pending_dict(priv, xdata_req, pending);
+ if (ret < 0)
+ goto out;
+
+ if (local->fd) {
+ ret = syncop_fxattrop(priv->children[query_child], local->fd,
+ GF_XATTROP_ADD_ARRAY, xdata_req, NULL, &xdata_rsp,
+ NULL);
+ } else {
+ ret = syncop_xattrop(priv->children[query_child], &local->loc,
+ GF_XATTROP_ADD_ARRAY, xdata_req, NULL, &xdata_rsp,
+ NULL);
+ }
+ if (ret || !xdata_rsp) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed xattrop for gfid %s on %s",
+ uuid_utoa(local->inode->gfid),
+ priv->children[query_child]->name);
+ op_errno = -ret;
+ goto out;
+ }
+
+ if (afr_ta_dict_contains_pending_xattr(xdata_rsp, priv,
+ possible_bad_child)) {
+ read_subvol = query_child;
+ goto out;
+ }
+ dict_unref(xdata_rsp);
+ xdata_rsp = NULL;
+
+ /* It doesn't. So query thin-arbiter to see if it blames any data brick. */
+ ret = afr_fill_ta_loc(this, &loc, _gf_true);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to populate thin-arbiter loc for: %s.", loc.name);
+ goto out;
+ }
+ flock.l_type = F_WRLCK; /*start and length are already zero. */
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_MODIFY, &loc, F_SETLKW, &flock, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "gfid:%s: Failed to get AFR_TA_DOM_MODIFY lock on %s.",
+ uuid_utoa(local->inode->gfid),
+ priv->pending_key[THIN_ARBITER_BRICK_INDEX]);
+ op_errno = -ret;
+ goto out;
+ }
+
+ ret = syncop_xattrop(priv->children[THIN_ARBITER_BRICK_INDEX], &loc,
+ GF_XATTROP_ADD_ARRAY, xdata_req, NULL, &xdata_rsp,
+ NULL);
+ if (ret || !xdata_rsp) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "gfid:%s: Failed xattrop on %s.", uuid_utoa(local->inode->gfid),
+ priv->pending_key[THIN_ARBITER_BRICK_INDEX]);
+ op_errno = -ret;
+ goto unlock;
+ }
+
+ if (!afr_ta_dict_contains_pending_xattr(xdata_rsp, priv, query_child)) {
+ read_subvol = query_child;
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, EIO, AFR_MSG_THIN_ARB,
+ "Failing read for gfid %s since good brick %s is down",
+ uuid_utoa(local->inode->gfid),
+ priv->children[possible_bad_child]->name);
+ op_errno = EIO;
+ }
+
+unlock:
+ flock.l_type = F_UNLCK;
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_MODIFY, &loc, F_SETLK, &flock, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "gfid:%s: Failed to unlock AFR_TA_DOM_MODIFY lock on "
+ "%s.",
+ uuid_utoa(local->inode->gfid),
+ priv->pending_key[THIN_ARBITER_BRICK_INDEX]);
+ }
+out:
+ if (xdata_req)
+ dict_unref(xdata_req);
+ if (xdata_rsp)
+ dict_unref(xdata_rsp);
+ if (pending)
+ afr_matrix_cleanup(pending, priv->child_count);
+ loc_wipe(&loc);
+
+ if (read_subvol == -1) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ }
+ afr_read_txn_wind(frame, this, read_subvol);
+ return ret;
+}
- return 0;
+void
+afr_ta_read_txn_synctask(call_frame_t *frame, xlator_t *this)
+{
+ call_frame_t *ta_frame = NULL;
+ afr_local_t *local = NULL;
+ int ret = 0;
+
+ local = frame->local;
+ ta_frame = afr_ta_frame_create(this);
+ if (!ta_frame) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_THIN_ARB,
+ "Failed to create ta_frame");
+ goto out;
+ }
+ ret = synctask_new(this->ctx->env, afr_ta_read_txn, afr_ta_read_txn_done,
+ ta_frame, frame);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_THIN_ARB,
+ "Failed to launch "
+ "afr_ta_read_txn synctask for gfid %s.",
+ uuid_utoa(local->inode->gfid));
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ STACK_DESTROY(ta_frame->root);
+ goto out;
+ }
+ return;
+out:
+ afr_read_txn_wind(frame, this, -1);
}
+int
+afr_read_txn_refresh_done(call_frame_t *frame, xlator_t *this, int err)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int read_subvol = -1;
+ inode_t *inode = NULL;
+ int ret = -1;
+ int spb_subvol = -1;
+
+ local = frame->local;
+ inode = local->inode;
+ priv = this->private;
+
+ if (err) {
+ if (!priv->thin_arbiter_count)
+ goto readfn;
+ if (err != EINVAL)
+ goto readfn;
+ /* We need to query the good bricks and/or thin-arbiter.*/
+ afr_ta_read_txn_synctask(frame, this);
+ return 0;
+ }
+
+ read_subvol = afr_read_subvol_select_by_policy(inode, this, local->readable,
+ NULL);
+ if (read_subvol == -1) {
+ err = EIO;
+ goto readfn;
+ }
+
+ if (local->read_attempted[read_subvol]) {
+ afr_read_txn_next_subvol(frame, this);
+ return 0;
+ }
+
+ local->read_attempted[read_subvol] = 1;
+readfn:
+ if (read_subvol == -1) {
+ ret = afr_split_brain_read_subvol_get(inode, this, frame, &spb_subvol);
+ if ((ret == 0) && spb_subvol >= 0)
+ read_subvol = spb_subvol;
+ }
+
+ if (read_subvol == -1) {
+ AFR_SET_ERROR_AND_CHECK_SPLIT_BRAIN(-1, err);
+ }
+ afr_read_txn_wind(frame, this, read_subvol);
+
+ return 0;
+}
int
-afr_read_txn_continue (call_frame_t *frame, xlator_t *this, int subvol)
+afr_read_txn_continue(call_frame_t *frame, xlator_t *this, int subvol)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (!local->refreshed) {
- local->refreshed = _gf_true;
- afr_inode_refresh (frame, this, local->inode, NULL,
- afr_read_txn_refresh_done);
- } else {
- afr_read_txn_next_subvol (frame, this);
- }
+ if (!local->refreshed) {
+ local->refreshed = _gf_true;
+ afr_inode_refresh(frame, this, local->inode, NULL,
+ afr_read_txn_refresh_done);
+ } else {
+ afr_read_txn_next_subvol(frame, this);
+ }
- return 0;
+ return 0;
}
-
/* afr_read_txn_wipe:
clean internal variables in @local in order to make
@@ -155,27 +342,26 @@ afr_read_txn_continue (call_frame_t *frame, xlator_t *this, int subvol)
*/
void
-afr_read_txn_wipe (call_frame_t *frame, xlator_t *this)
+afr_read_txn_wipe(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- local->readfn = NULL;
+ local->readfn = NULL;
- if (local->inode)
- inode_unref (local->inode);
+ if (local->inode)
+ inode_unref(local->inode);
- for (i = 0; i < priv->child_count; i++) {
- local->read_attempted[i] = 0;
- local->readable[i] = 0;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ local->read_attempted[i] = 0;
+ local->readable[i] = 0;
+ }
}
-
/*
afr_read_txn:
@@ -204,87 +390,105 @@ afr_read_txn_wipe (call_frame_t *frame, xlator_t *this)
*/
int
-afr_read_txn (call_frame_t *frame, xlator_t *this, inode_t *inode,
- afr_read_txn_wind_t readfn, afr_transaction_type type)
+afr_read_txn(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ afr_read_txn_wind_t readfn, afr_transaction_type type)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- unsigned char *data = NULL;
- unsigned char *metadata = NULL;
- int read_subvol = -1;
- int event_generation = 0;
- int ret = -1;
-
- priv = this->private;
- local = frame->local;
- data = alloca0 (priv->child_count);
- metadata = alloca0 (priv->child_count);
-
- afr_read_txn_wipe (frame, this);
-
- local->readfn = readfn;
- local->inode = inode_ref (inode);
- local->is_read_txn = _gf_true;
-
- if (priv->quorum_count && !afr_has_quorum (local->child_up, this)) {
- local->op_ret = -1;
- local->op_errno = afr_quorum_errno(priv);
- read_subvol = -1;
- goto read;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ unsigned char *data = NULL;
+ unsigned char *metadata = NULL;
+ int read_subvol = -1;
+ int event_generation = 0;
+ int ret = -1;
+
+ priv = this->private;
+ local = frame->local;
+ data = alloca0(priv->child_count);
+ metadata = alloca0(priv->child_count);
+
+ afr_read_txn_wipe(frame, this);
+
+ local->readfn = readfn;
+ local->inode = inode_ref(inode);
+ local->is_read_txn = _gf_true;
+ local->transaction.type = type;
+
+ if (priv->quorum_count && !afr_has_quorum(local->child_up, this, NULL)) {
+ local->op_ret = -1;
+ local->op_errno = afr_quorum_errno(priv);
+ goto read;
+ }
+
+ if (!afr_is_consistent_io_possible(local, priv, &local->op_errno)) {
+ local->op_ret = -1;
+ goto read;
+ }
+
+ if (priv->thin_arbiter_count && !afr_ta_has_quorum(priv, local)) {
+ local->op_ret = -1;
+ local->op_errno = -afr_quorum_errno(priv);
+ goto read;
+ }
+
+ if (priv->thin_arbiter_count &&
+ AFR_COUNT(local->child_up, priv->child_count) != priv->child_count) {
+ if (local->child_up[0]) {
+ local->read_txn_query_child = AFR_CHILD_ZERO;
+ } else if (local->child_up[1]) {
+ local->read_txn_query_child = AFR_CHILD_ONE;
}
-
- if (!afr_is_consistent_io_possible (local, priv, &local->op_errno)) {
- local->op_ret = -1;
- read_subvol = -1;
- goto read;
- }
-
- local->transaction.type = type;
- ret = afr_inode_read_subvol_get (inode, this, data, metadata,
- &event_generation);
- if (ret == -1)
- /* very first transaction on this inode */
- goto refresh;
- AFR_INTERSECT (local->readable, data, metadata, priv->child_count);
-
- gf_msg_debug (this->name, 0, "%s: generation now vs cached: %d, "
- "%d", uuid_utoa (inode->gfid), local->event_generation,
- event_generation);
- if (afr_is_inode_refresh_reqd (inode, this, local->event_generation,
- event_generation))
- /* servers have disconnected / reconnected, and possibly
- rebooted, very likely changing the state of freshness
- of copies */
- goto refresh;
-
- read_subvol = afr_read_subvol_select_by_policy (inode, this,
- local->readable, NULL);
-
- if (read_subvol < 0 || read_subvol > priv->child_count) {
- gf_msg_debug (this->name, 0, "Unreadable subvolume %d found "
- "with event generation %d for gfid %s.",
- read_subvol, event_generation, uuid_utoa(inode->gfid));
- goto refresh;
- }
-
- if (!local->child_up[read_subvol]) {
- /* should never happen, just in case */
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_READ_SUBVOL_ERROR, "subvolume %d is the "
- "read subvolume in this generation, but is not up",
- read_subvol);
- goto refresh;
- }
-
- local->read_attempted[read_subvol] = 1;
+ afr_ta_read_txn_synctask(frame, this);
+ return 0;
+ }
+
+ ret = afr_inode_read_subvol_get(inode, this, data, metadata,
+ &event_generation);
+ if (ret == -1)
+ /* very first transaction on this inode */
+ goto refresh;
+ AFR_INTERSECT(local->readable, data, metadata, priv->child_count);
+
+ gf_msg_debug(this->name, 0,
+ "%s: generation now vs cached: %d, "
+ "%d",
+ uuid_utoa(inode->gfid), local->event_generation,
+ event_generation);
+ if (afr_is_inode_refresh_reqd(inode, this, local->event_generation,
+ event_generation))
+ /* servers have disconnected / reconnected, and possibly
+ rebooted, very likely changing the state of freshness
+ of copies */
+ goto refresh;
+
+ read_subvol = afr_read_subvol_select_by_policy(inode, this, local->readable,
+ NULL);
+
+ if (read_subvol < 0 || read_subvol > priv->child_count) {
+ gf_msg_debug(this->name, 0,
+ "Unreadable subvolume %d found "
+ "with event generation %d for gfid %s.",
+ read_subvol, event_generation, uuid_utoa(inode->gfid));
+ goto refresh;
+ }
+
+ if (!local->child_up[read_subvol]) {
+ /* should never happen, just in case */
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_READ_SUBVOL_ERROR,
+ "subvolume %d is the "
+ "read subvolume in this generation, but is not up",
+ read_subvol);
+ goto refresh;
+ }
+
+ local->read_attempted[read_subvol] = 1;
read:
- afr_read_txn_wind (frame, this, read_subvol);
+ afr_read_txn_wind(frame, this, read_subvol);
- return 0;
+ return 0;
refresh:
- afr_inode_refresh (frame, this, inode, NULL, afr_read_txn_refresh_done);
+ afr_inode_refresh(frame, this, inode, NULL, afr_read_txn_refresh_done);
- return 0;
+ return 0;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-common.c b/xlators/cluster/afr/src/afr-self-heal-common.c
index 3cb69beabff..a580a1584cc 100644
--- a/xlators/cluster/afr/src/afr-self-heal-common.c
+++ b/xlators/cluster/afr/src/afr-self-heal-common.c
@@ -8,766 +8,808 @@
cases as published by the Free Software Foundation.
*/
-
#include "afr.h"
#include "afr-self-heal.h"
-#include "byte-order.h"
+#include <glusterfs/byte-order.h>
#include "protocol-common.h"
#include "afr-messages.h"
-#include "events.h"
+#include <glusterfs/events.h>
void
-afr_heal_synctask (xlator_t *this, afr_local_t *local);
+afr_heal_synctask(xlator_t *this, afr_local_t *local);
int
-afr_lookup_and_heal_gfid (xlator_t *this, inode_t *parent, const char *name,
- inode_t *inode, struct afr_reply *replies,
- int source, unsigned char *sources, void *gfid)
-{
- afr_private_t *priv = NULL;
- call_frame_t *frame = NULL;
- afr_local_t *local = NULL;
- unsigned char *wind_on = NULL;
- ia_type_t ia_type = IA_INVAL;
- dict_t *xdata = NULL;
- loc_t loc = {0, };
- int ret = 0;
- int i = 0;
-
- priv = this->private;
- wind_on = alloca0 (priv->child_count);
+afr_lookup_and_heal_gfid(xlator_t *this, inode_t *parent, const char *name,
+ inode_t *inode, struct afr_reply *replies, int source,
+ unsigned char *sources, void *gfid, int *gfid_idx)
+{
+ afr_private_t *priv = NULL;
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ unsigned char *wind_on = NULL;
+ ia_type_t ia_type = IA_INVAL;
+ dict_t *xdata = NULL;
+ loc_t loc = {
+ 0,
+ };
+ int ret = 0;
+ int i = 0;
+
+ priv = this->private;
+ wind_on = alloca0(priv->child_count);
+ if (source >= 0 && replies[source].valid && replies[source].op_ret == 0)
ia_type = replies[source].poststat.ia_type;
- if ((ia_type == IA_INVAL) &&
- (AFR_COUNT(sources, priv->child_count) == priv->child_count)) {
- /* If a file is present on some bricks of the replica but parent
- * dir does not have pending xattrs, all bricks are sources and
- * the 'source' we selected earlier might be one where the file
- * is not actually present. Hence check if file is present in
- * any of the sources.*/
- for (i = 0; i < priv->child_count; i++) {
- if (i == source)
- continue;
- if (sources[i] && replies[i].valid &&
- replies[i].op_ret == 0) {
- ia_type = replies[i].poststat.ia_type;
- break;
- }
- }
- }
- /* gfid heal on those subvolumes that do not have gfid associated
- * with the inode and update those replies.
- */
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret != 0)
- continue;
- if (!gf_uuid_is_null (replies[i].poststat.ia_gfid) ||
- replies[i].poststat.ia_type != ia_type)
- continue;
-
- wind_on[i] = 1;
+ if (ia_type != IA_INVAL)
+ goto heal;
+
+ /* If ia_type is still invalid, it means either
+ * (a)'source' was -1, i.e. parent dir pending xattrs are in split-brain
+ * (or) (b) The parent dir pending xattrs are all zeroes (i.e. all bricks
+ * are sources) and the 'source' we selected earlier might be the one where
+ * the file is not actually present.
+ *
+ * In both cases, let us pick a brick with a successful reply and use its
+ * ia_type.
+ * */
+ for (i = 0; i < priv->child_count; i++) {
+ if (source == -1) {
+ /* case (a) above. */
+ if (replies[i].valid && replies[i].op_ret == 0 &&
+ replies[i].poststat.ia_type != IA_INVAL) {
+ ia_type = replies[i].poststat.ia_type;
+ break;
+ }
+ } else {
+ /* case (b) above. */
+ if (i == source)
+ continue;
+ if (sources[i] && replies[i].valid && replies[i].op_ret == 0 &&
+ replies[i].poststat.ia_type != IA_INVAL) {
+ ia_type = replies[i].poststat.ia_type;
+ break;
+ }
}
+ }
- if (AFR_COUNT(wind_on, priv->child_count) == 0)
- return 0;
+heal:
+ /* gfid heal on those subvolumes that do not have gfid associated
+ * with the inode and update those replies.
+ */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret != 0)
+ continue;
- xdata = dict_new ();
- if (!xdata) {
- ret = -ENOMEM;
- goto out;
- }
+ if (gf_uuid_is_null(gfid) &&
+ !gf_uuid_is_null(replies[i].poststat.ia_gfid) &&
+ replies[i].poststat.ia_type == ia_type)
+ gfid = replies[i].poststat.ia_gfid;
- ret = dict_set_gfuuid (xdata, "gfid-req", gfid, true);
- if (ret) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!gf_uuid_is_null(replies[i].poststat.ia_gfid) ||
+ replies[i].poststat.ia_type != ia_type)
+ continue;
- frame = afr_frame_create (this, &ret);
- if (!frame) {
- ret = -ret;
- goto out;
- }
+ wind_on[i] = 1;
+ }
- local = frame->local;
- loc.parent = inode_ref (parent);
- gf_uuid_copy (loc.pargfid, parent->gfid);
- loc.name = name;
- loc.inode = inode_ref (inode);
+ if (AFR_COUNT(wind_on, priv->child_count) == 0)
+ return 0;
- AFR_ONLIST (wind_on, frame, afr_selfheal_discover_cbk, lookup,
- &loc, xdata);
+ xdata = dict_new();
+ if (!xdata) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = dict_set_gfuuid(xdata, "gfid-req", gfid, true);
+ if (ret) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ frame = afr_frame_create(this, &ret);
+ if (!frame) {
+ ret = -ret;
+ goto out;
+ }
+
+ local = frame->local;
+ loc.parent = inode_ref(parent);
+ gf_uuid_copy(loc.pargfid, parent->gfid);
+ loc.name = name;
+ loc.inode = inode_ref(inode);
+
+ AFR_ONLIST(wind_on, frame, afr_selfheal_discover_cbk, lookup, &loc, xdata);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!wind_on[i])
+ continue;
+ afr_reply_wipe(&replies[i]);
+ afr_reply_copy(&replies[i], &local->replies[i]);
+ }
+ if (gfid_idx && (*gfid_idx == -1)) {
+ /*Pick a brick where the gifd heal was successful.*/
for (i = 0; i < priv->child_count; i++) {
- if (!wind_on[i])
- continue;
- afr_reply_wipe (&replies[i]);
- afr_reply_copy (&replies[i], &local->replies[i]);
+ if (!wind_on[i])
+ continue;
+ if (replies[i].valid && replies[i].op_ret == 0 &&
+ !gf_uuid_is_null(replies[i].poststat.ia_gfid)) {
+ *gfid_idx = i;
+ break;
+ }
}
+ }
out:
- loc_wipe (&loc);
- if (frame)
- AFR_STACK_DESTROY (frame);
- if (xdata)
- dict_unref (xdata);
+ if (gfid_idx && (*gfid_idx == -1) && (ret == 0) && local) {
+ ret = -afr_final_errno(local, priv);
+ }
+ loc_wipe(&loc);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ if (xdata)
+ dict_unref(xdata);
- return ret;
+ return ret;
}
int
-afr_gfid_sbrain_source_from_src_brick (xlator_t *this,
- struct afr_reply *replies,
- char *src_brick)
+afr_gfid_sbrain_source_from_src_brick(xlator_t *this, struct afr_reply *replies,
+ char *src_brick)
{
- int i = 0;
- afr_private_t *priv = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1)
- continue;
- if (strcmp (priv->children[i]->name, src_brick) == 0)
- return i;
- }
- return -1;
+ priv = this->private;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ if (strcmp(priv->children[i]->name, src_brick) == 0)
+ return i;
+ }
+ return -1;
}
int
-afr_selfheal_gfid_mismatch_by_majority (struct afr_reply *replies,
- int child_count)
+afr_selfheal_gfid_mismatch_by_majority(struct afr_reply *replies,
+ int child_count)
{
- int j = 0;
- int i = 0;
- int src = -1;
- int votes[child_count];
-
- for (i = 0; i < child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1)
- continue;
-
- votes[i] = 1;
- for (j = i+1; j < child_count; j++) {
- if ((!gf_uuid_compare (replies[i].poststat.ia_gfid,
- replies[j].poststat.ia_gfid)))
- votes[i]++;
- if (votes[i] > child_count / 2) {
- src = i;
- goto out;
- }
- }
+ int j = 0;
+ int i = 0;
+ int votes;
+
+ for (i = 0; i < child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+
+ votes = 1;
+ for (j = i + 1; j < child_count; j++) {
+ if ((!gf_uuid_compare(replies[i].poststat.ia_gfid,
+ replies[j].poststat.ia_gfid)))
+ votes++;
+ if (votes > child_count / 2)
+ return i;
}
+ }
-out:
- return src;
+ return -1;
}
-int afr_gfid_sbrain_source_from_bigger_file (struct afr_reply *replies,
- int child_count)
+int
+afr_gfid_sbrain_source_from_bigger_file(struct afr_reply *replies,
+ int child_count)
{
- int i = 0;
- int src = -1;
- uint64_t size = 0;
+ int i = 0;
+ int src = -1;
+ uint64_t size = 0;
- for (i = 0; i < child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret == -1)
- continue;
- if (size < replies[i].poststat.ia_size) {
- src = i;
- size = replies[i].poststat.ia_size;
- } else if (replies[i].poststat.ia_size == size) {
- src = -1;
- }
- }
- return src;
-}
-
-int afr_gfid_sbrain_source_from_latest_mtime (struct afr_reply *replies,
- int child_count)
-{
- int i = 0;
- int src = -1;
- uint32_t mtime = 0;
- uint32_t mtime_nsec = 0;
-
- for (i = 0; i < child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret != 0)
- continue;
- if ((mtime < replies[i].poststat.ia_mtime) ||
- ((mtime == replies[i].poststat.ia_mtime) &&
- (mtime_nsec < replies[i].poststat.ia_mtime_nsec))) {
- src = i;
- mtime = replies[i].poststat.ia_mtime;
- mtime_nsec = replies[i].poststat.ia_mtime_nsec;
- } else if ((mtime == replies[i].poststat.ia_mtime) &&
- (mtime_nsec == replies[i].poststat.ia_mtime_nsec)) {
- src = -1;
- }
+ for (i = 0; i < child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret == -1)
+ continue;
+ if (size < replies[i].poststat.ia_size) {
+ src = i;
+ size = replies[i].poststat.ia_size;
+ } else if (replies[i].poststat.ia_size == size) {
+ src = -1;
}
- return src;
+ }
+ return src;
}
int
-afr_gfid_split_brain_source (xlator_t *this, struct afr_reply *replies,
- inode_t *inode, uuid_t pargfid, const char *bname,
- int src_idx, int child_idx,
- unsigned char *locked_on, int *src, dict_t *xdata)
-{
- afr_private_t *priv = NULL;
- char g1[64] = {0,};
- char g2[64] = {0,};
- int up_count = 0;
- int heal_op = -1;
- int ret = -1;
- char *src_brick = NULL;
-
- *src = -1;
- priv = this->private;
- up_count = AFR_COUNT (locked_on, priv->child_count);
- if (up_count != priv->child_count) {
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
- "All the bricks should be up to resolve the gfid split "
- "barin");
- if (xdata) {
- ret = dict_set_str (xdata, "gfid-heal-msg", "All the "
- "bricks should be up to resolve the"
- " gfid split barin");
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED, "Error setting"
- " gfid-heal-msg dict");
- }
- goto out;
+afr_gfid_sbrain_source_from_latest_mtime(struct afr_reply *replies,
+ int child_count)
+{
+ int i = 0;
+ int src = -1;
+ uint32_t mtime = 0;
+ uint32_t mtime_nsec = 0;
+
+ for (i = 0; i < child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret != 0)
+ continue;
+ if ((mtime < replies[i].poststat.ia_mtime) ||
+ ((mtime == replies[i].poststat.ia_mtime) &&
+ (mtime_nsec < replies[i].poststat.ia_mtime_nsec))) {
+ src = i;
+ mtime = replies[i].poststat.ia_mtime;
+ mtime_nsec = replies[i].poststat.ia_mtime_nsec;
+ } else if ((mtime == replies[i].poststat.ia_mtime) &&
+ (mtime_nsec == replies[i].poststat.ia_mtime_nsec)) {
+ src = -1;
}
+ }
+ return src;
+}
+int
+afr_gfid_split_brain_source(xlator_t *this, struct afr_reply *replies,
+ inode_t *inode, uuid_t pargfid, const char *bname,
+ int src_idx, int child_idx,
+ unsigned char *locked_on, int *src, dict_t *xdata)
+{
+ afr_private_t *priv = NULL;
+ char g1[64] = {
+ 0,
+ };
+ char g2[64] = {
+ 0,
+ };
+ int up_count = 0;
+ int heal_op = -1;
+ int ret = -1;
+ char *src_brick = NULL;
+
+ *src = -1;
+ priv = this->private;
+ up_count = AFR_COUNT(locked_on, priv->child_count);
+ if (up_count != priv->child_count) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "All the bricks should be up to resolve the gfid split "
+ "barin");
if (xdata) {
- ret = dict_get_int32 (xdata, "heal-op", &heal_op);
- if (ret)
- goto fav_child;
- } else {
- goto fav_child;
+ ret = dict_set_sizen_str_sizen(xdata, "gfid-heal-msg",
+ SALL_BRICKS_UP_TO_RESOLVE);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_DICT_SET_FAILED,
+ "Error setting"
+ " gfid-heal-msg dict");
}
+ goto out;
+ }
+
+ if (xdata) {
+ ret = dict_get_int32_sizen(xdata, "heal-op", &heal_op);
+ if (ret)
+ goto fav_child;
+ } else {
+ goto fav_child;
+ }
- switch (heal_op) {
+ switch (heal_op) {
case GF_SHD_OP_SBRAIN_HEAL_FROM_BIGGER_FILE:
- *src = afr_gfid_sbrain_source_from_bigger_file (replies,
- priv->child_count);
- if (*src == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN, "No bigger file");
- if (xdata) {
- ret = dict_set_str (xdata, "gfid-heal-msg",
- "No bigger file");
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED, "Error"
- " setting gfid-heal-msg dict");
- }
+ *src = afr_gfid_sbrain_source_from_bigger_file(replies,
+ priv->child_count);
+ if (*src == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ SNO_BIGGER_FILE);
+ if (xdata) {
+ ret = dict_set_sizen_str_sizen(xdata, "gfid-heal-msg",
+ SNO_BIGGER_FILE);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ AFR_MSG_DICT_SET_FAILED,
+ "Error"
+ " setting gfid-heal-msg dict");
}
- break;
+ }
+ break;
case GF_SHD_OP_SBRAIN_HEAL_FROM_LATEST_MTIME:
- *src = afr_gfid_sbrain_source_from_latest_mtime (replies,
- priv->child_count);
- if (*src == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN, "No difference in mtime");
- if (xdata) {
- ret = dict_set_str (xdata, "gfid-heal-msg",
- "No difference in mtime");
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED, "Error"
- "setting gfid-heal-msg dict");
- }
+ *src = afr_gfid_sbrain_source_from_latest_mtime(replies,
+ priv->child_count);
+ if (*src == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ SNO_DIFF_IN_MTIME);
+ if (xdata) {
+ ret = dict_set_sizen_str_sizen(xdata, "gfid-heal-msg",
+ SNO_DIFF_IN_MTIME);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ AFR_MSG_DICT_SET_FAILED,
+ "Error"
+ "setting gfid-heal-msg dict");
}
- break;
+ }
+ break;
case GF_SHD_OP_SBRAIN_HEAL_FROM_BRICK:
- ret = dict_get_str (xdata, "child-name", &src_brick);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN, "Error getting the source "
- "brick");
- break;
- }
- *src = afr_gfid_sbrain_source_from_src_brick (this, replies,
- src_brick);
- if (*src == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN, "Error getting the source "
- "brick");
- if (xdata) {
- ret = dict_set_str (xdata, "gfid-heal-msg",
- "Error getting the source "
- "brick");
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED, "Error"
- " setting gfid-heal-msg dict");
- }
- }
+ ret = dict_get_str_sizen(xdata, "child-name", &src_brick);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "Error getting the source "
+ "brick");
break;
+ }
+ *src = afr_gfid_sbrain_source_from_src_brick(this, replies,
+ src_brick);
+ if (*src == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ SERROR_GETTING_SRC_BRICK);
+ if (xdata) {
+ ret = dict_set_sizen_str_sizen(xdata, "gfid-heal-msg",
+ SERROR_GETTING_SRC_BRICK);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ AFR_MSG_DICT_SET_FAILED,
+ "Error"
+ " setting gfid-heal-msg dict");
+ }
+ }
+ break;
default:
- break;
- }
- goto out;
+ break;
+ }
+ goto out;
fav_child:
- switch (priv->fav_child_policy) {
+ switch (priv->fav_child_policy) {
case AFR_FAV_CHILD_BY_SIZE:
- *src = afr_sh_fav_by_size (this, replies, inode);
- break;
+ *src = afr_sh_fav_by_size(this, replies, inode);
+ break;
case AFR_FAV_CHILD_BY_MTIME:
- *src = afr_sh_fav_by_mtime (this, replies, inode);
- break;
+ *src = afr_sh_fav_by_mtime(this, replies, inode);
+ break;
case AFR_FAV_CHILD_BY_CTIME:
- *src = afr_sh_fav_by_ctime(this, replies, inode);
- break;
+ *src = afr_sh_fav_by_ctime(this, replies, inode);
+ break;
case AFR_FAV_CHILD_BY_MAJORITY:
- if (priv->child_count != 2)
- *src = afr_selfheal_gfid_mismatch_by_majority (replies,
- priv->child_count);
- else
- *src = -1;
-
- if (*src == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN, "No majority to resolve "
- "gfid split brain");
- }
- break;
+ if (priv->child_count != 2)
+ *src = afr_selfheal_gfid_mismatch_by_majority(
+ replies, priv->child_count);
+ else
+ *src = -1;
+
+ if (*src == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "No majority to resolve "
+ "gfid split brain");
+ }
+ break;
default:
- break;
- }
+ break;
+ }
out:
- if (*src == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
- "Gfid mismatch detected for <gfid:%s>/%s>, %s on %s and"
- " %s on %s.", uuid_utoa (pargfid), bname,
- uuid_utoa_r (replies[child_idx].poststat.ia_gfid, g1),
- priv->children[child_idx]->name,
- uuid_utoa_r (replies[src_idx].poststat.ia_gfid, g2),
- priv->children[src_idx]->name);
- gf_event (EVENT_AFR_SPLIT_BRAIN, "subvol=%s;type=gfid;file="
- "<gfid:%s>/%s>;count=2;child-%d=%s;gfid-%d=%s;"
- "child-%d=%s;gfid-%d=%s", this->name,
- uuid_utoa (pargfid), bname, child_idx,
- priv->children[child_idx]->name, child_idx,
- uuid_utoa_r (replies[child_idx].poststat.ia_gfid, g1),
- src_idx, priv->children[src_idx]->name, src_idx,
- uuid_utoa_r (replies[src_idx].poststat.ia_gfid, g2));
- return -1;
- }
- return 0;
+ if (*src == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "Gfid mismatch detected for <gfid:%s>/%s>, %s on %s and"
+ " %s on %s.",
+ uuid_utoa(pargfid), bname,
+ uuid_utoa_r(replies[child_idx].poststat.ia_gfid, g1),
+ priv->children[child_idx]->name,
+ uuid_utoa_r(replies[src_idx].poststat.ia_gfid, g2),
+ priv->children[src_idx]->name);
+ gf_event(EVENT_AFR_SPLIT_BRAIN,
+ "client-pid=%d;"
+ "subvol=%s;type=gfid;file="
+ "<gfid:%s>/%s>;count=2;child-%d=%s;gfid-%d=%s;"
+ "child-%d=%s;gfid-%d=%s",
+ this->ctx->cmd_args.client_pid, this->name, uuid_utoa(pargfid),
+ bname, child_idx, priv->children[child_idx]->name, child_idx,
+ uuid_utoa_r(replies[child_idx].poststat.ia_gfid, g1), src_idx,
+ priv->children[src_idx]->name, src_idx,
+ uuid_utoa_r(replies[src_idx].poststat.ia_gfid, g2));
+ return -1;
+ }
+ return 0;
}
-
int
-afr_selfheal_post_op_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+afr_selfheal_post_op_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- syncbarrier_wake (&local->barrier);
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ syncbarrier_wake(&local->barrier);
- return 0;
+ return 0;
}
-
int
-afr_selfheal_post_op (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int subvol, dict_t *xattr, dict_t *xdata)
+afr_selfheal_post_op(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int subvol, dict_t *xattr, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- loc_t loc = {0, };
- int ret = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ loc_t loc = {
+ 0,
+ };
+ int ret = 0;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- local->op_ret = 0;
+ local->op_ret = 0;
- STACK_WIND (frame, afr_selfheal_post_op_cbk, priv->children[subvol],
- priv->children[subvol]->fops->xattrop, &loc,
- GF_XATTROP_ADD_ARRAY, xattr, xdata);
+ STACK_WIND(frame, afr_selfheal_post_op_cbk, priv->children[subvol],
+ priv->children[subvol]->fops->xattrop, &loc,
+ GF_XATTROP_ADD_ARRAY, xattr, xdata);
- syncbarrier_wait (&local->barrier, 1);
- if (local->op_ret < 0)
- ret = -local->op_errno;
+ syncbarrier_wait(&local->barrier, 1);
+ if (local->op_ret < 0)
+ ret = -local->op_errno;
- loc_wipe (&loc);
- local->op_ret = 0;
+ loc_wipe(&loc);
+ local->op_ret = 0;
- return ret;
+ return ret;
}
int
-afr_check_stale_error (struct afr_reply *replies, afr_private_t *priv)
+afr_check_stale_error(struct afr_reply *replies, afr_private_t *priv)
{
- int i = 0;
- int op_errno = 0;
- int tmp_errno = 0;
- int stale_count = 0;
+ int i = 0;
+ int op_errno = 0;
+ int tmp_errno = 0;
+ int stale_count = 0;
- for (i = 0; i < priv->child_count; i++) {
- tmp_errno = replies[i].op_errno;
- if (tmp_errno == ENOENT || tmp_errno == ESTALE) {
- op_errno = afr_higher_errno (op_errno, tmp_errno);
- stale_count++;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ tmp_errno = replies[i].op_errno;
+ if (tmp_errno == ENOENT || tmp_errno == ESTALE) {
+ op_errno = afr_higher_errno(op_errno, tmp_errno);
+ stale_count++;
}
- if (stale_count != priv->child_count)
- return -ENOTCONN;
- else
- return -op_errno;
+ }
+ if (stale_count != priv->child_count)
+ return -ENOTCONN;
+ else
+ return -op_errno;
}
int
-afr_sh_generic_fop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *pre, struct iatt *post,
- dict_t *xdata)
+afr_sh_generic_fop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *pre,
+ struct iatt *post, dict_t *xdata)
{
- int i = (long) cookie;
- afr_local_t *local = NULL;
+ int i = (long)cookie;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- local->replies[i].valid = 1;
- local->replies[i].op_ret = op_ret;
- local->replies[i].op_errno = op_errno;
- if (pre)
- local->replies[i].prestat = *pre;
- if (post)
- local->replies[i].poststat = *post;
- if (xdata)
- local->replies[i].xdata = dict_ref (xdata);
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
+ if (pre)
+ local->replies[i].prestat = *pre;
+ if (post)
+ local->replies[i].poststat = *post;
+ if (xdata)
+ local->replies[i].xdata = dict_ref(xdata);
- syncbarrier_wake (&local->barrier);
+ syncbarrier_wake(&local->barrier);
- return 0;
+ return 0;
}
int
-afr_selfheal_restore_time (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int source, unsigned char *healed_sinks,
- struct afr_reply *replies)
+afr_selfheal_restore_time(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int source, unsigned char *healed_sinks,
+ struct afr_reply *replies)
{
- loc_t loc = {0, };
+ loc_t loc = {
+ 0,
+ };
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- AFR_ONLIST (healed_sinks, frame, afr_sh_generic_fop_cbk, setattr, &loc,
- &replies[source].poststat,
- (GF_SET_ATTR_ATIME|GF_SET_ATTR_MTIME), NULL);
+ AFR_ONLIST(healed_sinks, frame, afr_sh_generic_fop_cbk, setattr, &loc,
+ &replies[source].poststat,
+ (GF_SET_ATTR_ATIME | GF_SET_ATTR_MTIME | GF_SET_ATTR_CTIME),
+ NULL);
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return 0;
+ return 0;
}
dict_t *
-afr_selfheal_output_xattr (xlator_t *this, gf_boolean_t is_full_crawl,
- afr_transaction_type type, int *output_dirty,
- int **output_matrix, int subvol,
- int **full_heal_mtx_out)
-{
- int j = 0;
- int idx = 0;
- int d_idx = 0;
- int ret = 0;
- int *raw = 0;
- dict_t *xattr = NULL;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- idx = afr_index_for_transaction_type (type);
- d_idx = afr_index_for_transaction_type (AFR_DATA_TRANSACTION);
-
- xattr = dict_new ();
- if (!xattr)
- return NULL;
-
- /* clear dirty */
- raw = GF_CALLOC (sizeof(int), AFR_NUM_CHANGE_LOGS, gf_afr_mt_int32_t);
- if (!raw)
- goto err;
-
- raw[idx] = hton32 (output_dirty[subvol]);
- ret = dict_set_bin (xattr, AFR_DIRTY, raw,
- sizeof(int) * AFR_NUM_CHANGE_LOGS);
- if (ret) {
- GF_FREE (raw);
- goto err;
- }
+afr_selfheal_output_xattr(xlator_t *this, gf_boolean_t is_full_crawl,
+ afr_transaction_type type, int *output_dirty,
+ int **output_matrix, int subvol,
+ int **full_heal_mtx_out)
+{
+ int j = 0;
+ int idx = 0;
+ int d_idx = 0;
+ int ret = 0;
+ int *raw = 0;
+ dict_t *xattr = NULL;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ idx = afr_index_for_transaction_type(type);
+ d_idx = afr_index_for_transaction_type(AFR_DATA_TRANSACTION);
+
+ xattr = dict_new();
+ if (!xattr)
+ return NULL;
- /* clear/set pending */
- for (j = 0; j < priv->child_count; j++) {
- raw = GF_CALLOC (sizeof(int), AFR_NUM_CHANGE_LOGS,
- gf_afr_mt_int32_t);
- if (!raw)
- goto err;
-
- raw[idx] = hton32 (output_matrix[subvol][j]);
- if (is_full_crawl)
- raw[d_idx] = hton32 (full_heal_mtx_out[subvol][j]);
-
- ret = dict_set_bin (xattr, priv->pending_key[j],
- raw, sizeof(int) * AFR_NUM_CHANGE_LOGS);
- if (ret) {
- GF_FREE (raw);
- goto err;
- }
- }
+ /* clear dirty */
+ raw = GF_CALLOC(sizeof(int), AFR_NUM_CHANGE_LOGS, gf_afr_mt_int32_t);
+ if (!raw)
+ goto err;
+
+ raw[idx] = hton32(output_dirty[subvol]);
+ ret = dict_set_bin(xattr, AFR_DIRTY, raw,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret) {
+ GF_FREE(raw);
+ goto err;
+ }
+
+ /* clear/set pending */
+ for (j = 0; j < priv->child_count; j++) {
+ raw = GF_CALLOC(sizeof(int), AFR_NUM_CHANGE_LOGS, gf_afr_mt_int32_t);
+ if (!raw)
+ goto err;
+
+ raw[idx] = hton32(output_matrix[subvol][j]);
+ if (is_full_crawl)
+ raw[d_idx] = hton32(full_heal_mtx_out[subvol][j]);
+
+ ret = dict_set_bin(xattr, priv->pending_key[j], raw,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret) {
+ GF_FREE(raw);
+ goto err;
+ }
+ }
- return xattr;
+ return xattr;
err:
- if (xattr)
- dict_unref (xattr);
- return NULL;
+ if (xattr)
+ dict_unref(xattr);
+ return NULL;
}
-
int
-afr_selfheal_undo_pending (call_frame_t *frame, xlator_t *this, inode_t *inode,
- unsigned char *sources, unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *undid_pending,
- afr_transaction_type type, struct afr_reply *replies,
- unsigned char *locked_on)
-{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
- int j = 0;
- unsigned char *pending = NULL;
- int *input_dirty = NULL;
- int **input_matrix = NULL;
- int **full_heal_mtx_in = NULL;
- int **full_heal_mtx_out = NULL;
- int *output_dirty = NULL;
- int **output_matrix = NULL;
- dict_t *xattr = NULL;
- dict_t *xdata = NULL;
-
- priv = this->private;
- local = frame->local;
-
- pending = alloca0 (priv->child_count);
-
- input_dirty = alloca0 (priv->child_count * sizeof (int));
- input_matrix = ALLOC_MATRIX (priv->child_count, int);
- full_heal_mtx_in = ALLOC_MATRIX (priv->child_count, int);
- full_heal_mtx_out = ALLOC_MATRIX (priv->child_count, int);
- output_dirty = alloca0 (priv->child_count * sizeof (int));
- output_matrix = ALLOC_MATRIX (priv->child_count, int);
-
- xdata = dict_new ();
- if (!xdata)
- return -1;
+afr_selfheal_undo_pending(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ afr_transaction_type type, struct afr_reply *replies,
+ unsigned char *locked_on)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
+ int j = 0;
+ unsigned char *pending = NULL;
+ int *input_dirty = NULL;
+ int **input_matrix = NULL;
+ int **full_heal_mtx_in = NULL;
+ int **full_heal_mtx_out = NULL;
+ int *output_dirty = NULL;
+ int **output_matrix = NULL;
+ dict_t *xattr = NULL;
+ dict_t *xdata = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ pending = alloca0(priv->child_count);
+
+ input_dirty = alloca0(priv->child_count * sizeof(int));
+ input_matrix = ALLOC_MATRIX(priv->child_count, int);
+ full_heal_mtx_in = ALLOC_MATRIX(priv->child_count, int);
+ full_heal_mtx_out = ALLOC_MATRIX(priv->child_count, int);
+ output_dirty = alloca0(priv->child_count * sizeof(int));
+ output_matrix = ALLOC_MATRIX(priv->child_count, int);
+
+ xdata = dict_new();
+ if (!xdata)
+ return -1;
- afr_selfheal_extract_xattr (this, replies, type, input_dirty,
- input_matrix);
-
- if (local->need_full_crawl)
- afr_selfheal_extract_xattr (this, replies, AFR_DATA_TRANSACTION,
- NULL, full_heal_mtx_in);
-
- for (i = 0; i < priv->child_count; i++)
- if (sinks[i] && !healed_sinks[i])
- pending[i] = 1;
-
- for (i = 0; i < priv->child_count; i++) {
- for (j = 0; j < priv->child_count; j++) {
- if (pending[j]) {
- output_matrix[i][j] = 1;
- if (type == AFR_ENTRY_TRANSACTION)
- full_heal_mtx_out[i][j] = 1;
- } else if (locked_on[j]) {
- output_matrix[i][j] = -input_matrix[i][j];
- if (type == AFR_ENTRY_TRANSACTION)
- full_heal_mtx_out[i][j] = -full_heal_mtx_in[i][j];
- }
- }
- }
-
- for (i = 0; i < priv->child_count; i++) {
- if (!pending[i])
- output_dirty[i] = -input_dirty[i];
- }
-
- for (i = 0; i < priv->child_count; i++) {
- if (!locked_on[i])
- /* perform post-op only on subvols we had locked
- and inspected on.
- */
- continue;
- if (undid_pending[i])
- /* We already unset the pending xattrs in
- * _afr_fav_child_reset_sink_xattrs(). */
- continue;
-
- xattr = afr_selfheal_output_xattr (this, local->need_full_crawl,
- type, output_dirty,
- output_matrix, i,
- full_heal_mtx_out);
- if (!xattr) {
- continue;
- }
-
- if ((type == AFR_ENTRY_TRANSACTION) && (priv->esh_granular)) {
- if (xdata &&
- dict_set_int8 (xdata, GF_XATTROP_PURGE_INDEX, 1))
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_DICT_SET_FAILED, "Failed to set"
- " dict value for %s",
- GF_XATTROP_PURGE_INDEX);
- }
+ afr_selfheal_extract_xattr(this, replies, type, input_dirty, input_matrix);
+
+ if (local->need_full_crawl)
+ afr_selfheal_extract_xattr(this, replies, AFR_DATA_TRANSACTION, NULL,
+ full_heal_mtx_in);
- afr_selfheal_post_op (frame, this, inode, i, xattr, xdata);
- dict_unref (xattr);
- }
+ for (i = 0; i < priv->child_count; i++)
+ if (sinks[i] && !healed_sinks[i])
+ pending[i] = 1;
- if (xdata)
- dict_unref (xdata);
+ for (i = 0; i < priv->child_count; i++) {
+ for (j = 0; j < priv->child_count; j++) {
+ if (pending[j]) {
+ output_matrix[i][j] = 1;
+ if (type == AFR_ENTRY_TRANSACTION)
+ full_heal_mtx_out[i][j] = 1;
+ } else if (locked_on[j]) {
+ output_matrix[i][j] = -input_matrix[i][j];
+ if (type == AFR_ENTRY_TRANSACTION)
+ full_heal_mtx_out[i][j] = -full_heal_mtx_in[i][j];
+ }
+ }
+ }
- return 0;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!pending[i])
+ output_dirty[i] = -input_dirty[i];
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!locked_on[i])
+ /* perform post-op only on subvols we had locked
+ and inspected on.
+ */
+ continue;
+ if (undid_pending[i])
+ /* We already unset the pending xattrs in
+ * _afr_fav_child_reset_sink_xattrs(). */
+ continue;
+
+ xattr = afr_selfheal_output_xattr(this, local->need_full_crawl, type,
+ output_dirty, output_matrix, i,
+ full_heal_mtx_out);
+ if (!xattr) {
+ continue;
+ }
+
+ if ((type == AFR_ENTRY_TRANSACTION) && (priv->esh_granular)) {
+ if (xdata && dict_set_int8(xdata, GF_XATTROP_PURGE_INDEX, 1))
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_DICT_SET_FAILED,
+ "Failed to set"
+ " dict value for %s",
+ GF_XATTROP_PURGE_INDEX);
+ }
+
+ afr_selfheal_post_op(frame, this, inode, i, xattr, xdata);
+ dict_unref(xattr);
+ }
+
+ if (xdata)
+ dict_unref(xdata);
+
+ return 0;
}
void
-afr_reply_copy (struct afr_reply *dst, struct afr_reply *src)
-{
- dict_t *xdata = NULL;
-
- dst->valid = src->valid;
- dst->op_ret = src->op_ret;
- dst->op_errno = src->op_errno;
- dst->prestat = src->prestat;
- dst->poststat = src->poststat;
- dst->preparent = src->preparent;
- dst->postparent = src->postparent;
- dst->preparent2 = src->preparent2;
- dst->postparent2 = src->postparent2;
- if (src->xdata)
- xdata = dict_ref (src->xdata);
- else
- xdata = NULL;
- if (dst->xdata)
- dict_unref (dst->xdata);
- dst->xdata = xdata;
- if (xdata && dict_get_str_boolean (xdata, "fips-mode-rchecksum",
- _gf_false) == _gf_true) {
- memcpy (dst->checksum, src->checksum, SHA256_DIGEST_LENGTH);
- } else {
- memcpy (dst->checksum, src->checksum, MD5_DIGEST_LENGTH);
- }
- dst->fips_mode_rchecksum = src->fips_mode_rchecksum;
+afr_reply_copy(struct afr_reply *dst, struct afr_reply *src)
+{
+ dict_t *xdata = NULL;
+
+ dst->valid = src->valid;
+ dst->op_ret = src->op_ret;
+ dst->op_errno = src->op_errno;
+ dst->prestat = src->prestat;
+ dst->poststat = src->poststat;
+ dst->preparent = src->preparent;
+ dst->postparent = src->postparent;
+ dst->preparent2 = src->preparent2;
+ dst->postparent2 = src->postparent2;
+ if (src->xdata)
+ xdata = dict_ref(src->xdata);
+ else
+ xdata = NULL;
+ if (dst->xdata)
+ dict_unref(dst->xdata);
+ dst->xdata = xdata;
+ if (xdata && dict_get_str_boolean(xdata, "fips-mode-rchecksum",
+ _gf_false) == _gf_true) {
+ memcpy(dst->checksum, src->checksum, SHA256_DIGEST_LENGTH);
+ } else {
+ memcpy(dst->checksum, src->checksum, MD5_DIGEST_LENGTH);
+ }
+ dst->fips_mode_rchecksum = src->fips_mode_rchecksum;
}
void
-afr_replies_copy (struct afr_reply *dst, struct afr_reply *src, int count)
+afr_replies_copy(struct afr_reply *dst, struct afr_reply *src, int count)
{
- int i = 0;
+ int i = 0;
- if (dst == src)
- return;
+ if (dst == src)
+ return;
- for (i = 0; i < count; i++) {
- afr_reply_copy (&dst[i], &src[i]);
- }
+ for (i = 0; i < count; i++) {
+ afr_reply_copy(&dst[i], &src[i]);
+ }
}
int
-afr_selfheal_fill_dirty (xlator_t *this, int *dirty, int subvol,
- int idx, dict_t *xdata)
+afr_selfheal_fill_dirty(xlator_t *this, int *dirty, int subvol, int idx,
+ dict_t *xdata)
{
- void *pending_raw = NULL;
- int pending[3] = {0, };
+ void *pending_raw = NULL;
+ int pending[3] = {
+ 0,
+ };
- if (!dirty)
- return 0;
+ if (!dirty)
+ return 0;
- if (dict_get_ptr (xdata, AFR_DIRTY, &pending_raw))
- return -1;
+ if (dict_get_ptr(xdata, AFR_DIRTY, &pending_raw))
+ return -1;
- if (!pending_raw)
- return -1;
+ if (!pending_raw)
+ return -1;
- memcpy (pending, pending_raw, sizeof(pending));
+ memcpy(pending, pending_raw, sizeof(pending));
- dirty[subvol] = ntoh32 (pending[idx]);
+ dirty[subvol] = ntoh32(pending[idx]);
- return 0;
+ return 0;
}
-
int
-afr_selfheal_fill_matrix (xlator_t *this, int **matrix, int subvol,
- int idx, dict_t *xdata)
+afr_selfheal_fill_matrix(xlator_t *this, int **matrix, int subvol, int idx,
+ dict_t *xdata)
{
- int i = 0;
- void *pending_raw = NULL;
- int pending[3] = {0, };
- afr_private_t *priv = NULL;
+ int i = 0;
+ void *pending_raw = NULL;
+ int pending[3] = {
+ 0,
+ };
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- if (!matrix)
- return 0;
+ if (!matrix)
+ return 0;
- for (i = 0; i < priv->child_count; i++) {
- if (dict_get_ptr (xdata, priv->pending_key[i], &pending_raw))
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (dict_get_ptr(xdata, priv->pending_key[i], &pending_raw))
+ continue;
- if (!pending_raw)
- continue;
+ if (!pending_raw)
+ continue;
- memcpy (pending, pending_raw, sizeof(pending));
+ memcpy(pending, pending_raw, sizeof(pending));
- matrix[subvol][i] = ntoh32 (pending[idx]);
- }
+ matrix[subvol][i] = ntoh32(pending[idx]);
+ }
- return 0;
+ return 0;
}
-
int
-afr_selfheal_extract_xattr (xlator_t *this, struct afr_reply *replies,
- afr_transaction_type type, int *dirty, int **matrix)
+afr_selfheal_extract_xattr(xlator_t *this, struct afr_reply *replies,
+ afr_transaction_type type, int *dirty, int **matrix)
{
- afr_private_t *priv = NULL;
- int i = 0;
- dict_t *xdata = NULL;
- int idx = -1;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ dict_t *xdata = NULL;
+ int idx = -1;
- idx = afr_index_for_transaction_type (type);
+ idx = afr_index_for_transaction_type(type);
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret != 0)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret != 0)
+ continue;
- if (!replies[i].xdata)
- continue;
+ if (!replies[i].xdata)
+ continue;
- xdata = replies[i].xdata;
+ xdata = replies[i].xdata;
- afr_selfheal_fill_dirty (this, dirty, i, idx, xdata);
- afr_selfheal_fill_matrix (this, matrix, i, idx, xdata);
- }
+ afr_selfheal_fill_dirty(this, dirty, i, idx, xdata);
+ afr_selfheal_fill_matrix(this, matrix, i, idx, xdata);
+ }
- return 0;
+ return 0;
}
/*
@@ -777,572 +819,566 @@ afr_selfheal_extract_xattr (xlator_t *this, struct afr_reply *replies,
* This can happen if data was directly modified in the backend or for snapshots
*/
void
-afr_mark_largest_file_as_source (xlator_t *this, unsigned char *sources,
- struct afr_reply *replies)
+afr_mark_largest_file_as_source(xlator_t *this, unsigned char *sources,
+ struct afr_reply *replies)
{
- int i = 0;
- afr_private_t *priv = NULL;
- uint64_t size = 0;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ uint64_t size = 0;
- /* Find source with biggest file size */
- priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- if (!replies[i].valid || replies[i].op_ret != 0) {
- sources[i] = 0;
- continue;
- }
- if (size <= replies[i].poststat.ia_size) {
- size = replies[i].poststat.ia_size;
- }
+ /* Find source with biggest file size */
+ priv = this->private;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ if (!replies[i].valid || replies[i].op_ret != 0) {
+ sources[i] = 0;
+ continue;
}
-
- /* Mark sources with less size as not source */
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- if (size > replies[i].poststat.ia_size)
- sources[i] = 0;
+ if (size <= replies[i].poststat.ia_size) {
+ size = replies[i].poststat.ia_size;
}
+ }
+
+ /* Mark sources with less size as not source */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ if (size > replies[i].poststat.ia_size)
+ sources[i] = 0;
+ }
}
void
-afr_mark_latest_mtime_file_as_source (xlator_t *this, unsigned char *sources,
- struct afr_reply *replies)
-{
- int i = 0;
- afr_private_t *priv = NULL;
- uint32_t mtime = 0;
- uint32_t mtime_nsec = 0;
-
- priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- if (!replies[i].valid || replies[i].op_ret != 0) {
- sources[i] = 0;
- continue;
- }
- if ((mtime < replies[i].poststat.ia_mtime) ||
- ((mtime == replies[i].poststat.ia_mtime) &&
- (mtime_nsec < replies[i].poststat.ia_mtime_nsec))) {
- mtime = replies[i].poststat.ia_mtime;
- mtime_nsec = replies[i].poststat.ia_mtime_nsec;
- }
- }
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- if ((mtime > replies[i].poststat.ia_mtime) ||
- ((mtime == replies[i].poststat.ia_mtime) &&
- (mtime_nsec > replies[i].poststat.ia_mtime_nsec))) {
- sources[i] = 0;
- }
- }
+afr_mark_latest_mtime_file_as_source(xlator_t *this, unsigned char *sources,
+ struct afr_reply *replies)
+{
+ int i = 0;
+ afr_private_t *priv = NULL;
+ uint32_t mtime = 0;
+ uint32_t mtime_nsec = 0;
+
+ priv = this->private;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ if (!replies[i].valid || replies[i].op_ret != 0) {
+ sources[i] = 0;
+ continue;
+ }
+ if ((mtime < replies[i].poststat.ia_mtime) ||
+ ((mtime == replies[i].poststat.ia_mtime) &&
+ (mtime_nsec < replies[i].poststat.ia_mtime_nsec))) {
+ mtime = replies[i].poststat.ia_mtime;
+ mtime_nsec = replies[i].poststat.ia_mtime_nsec;
+ }
+ }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ if ((mtime > replies[i].poststat.ia_mtime) ||
+ ((mtime == replies[i].poststat.ia_mtime) &&
+ (mtime_nsec > replies[i].poststat.ia_mtime_nsec))) {
+ sources[i] = 0;
+ }
+ }
}
void
-afr_mark_active_sinks (xlator_t *this, unsigned char *sources,
- unsigned char *locked_on, unsigned char *sinks)
+afr_mark_active_sinks(xlator_t *this, unsigned char *sources,
+ unsigned char *locked_on, unsigned char *sinks)
{
- int i = 0;
- afr_private_t *priv = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- memset (sinks, 0, sizeof (*sinks) * priv->child_count);
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i] && locked_on[i])
- sinks[i] = 1;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i] && locked_on[i])
+ sinks[i] = 1;
+ else
+ sinks[i] = 0;
+ }
}
gf_boolean_t
-afr_dict_contains_heal_op (call_frame_t *frame)
+afr_dict_contains_heal_op(call_frame_t *frame)
{
- afr_local_t *local = NULL;
- dict_t *xdata_req = NULL;
- int ret = 0;
- int heal_op = -1;
+ afr_local_t *local = NULL;
+ dict_t *xdata_req = NULL;
+ int ret = 0;
+ int heal_op = -1;
- local = frame->local;
- xdata_req = local->xdata_req;
- ret = dict_get_int32 (xdata_req, "heal-op", &heal_op);
- if (ret)
- return _gf_false;
- if (local->xdata_rsp == NULL) {
- local->xdata_rsp = dict_new();
- if (!local->xdata_rsp)
- return _gf_true;
- }
- ret = dict_set_str (local->xdata_rsp, "sh-fail-msg",
- "File not in split-brain");
+ local = frame->local;
+ xdata_req = local->xdata_req;
+ ret = dict_get_int32_sizen(xdata_req, "heal-op", &heal_op);
+ if (ret)
+ return _gf_false;
+ if (local->xdata_rsp == NULL) {
+ local->xdata_rsp = dict_new();
+ if (!local->xdata_rsp)
+ return _gf_true;
+ }
+ ret = dict_set_sizen_str_sizen(local->xdata_rsp, "sh-fail-msg",
+ SFILE_NOT_IN_SPLIT_BRAIN);
- return _gf_true;
+ return _gf_true;
}
gf_boolean_t
-afr_can_decide_split_brain_source_sinks (struct afr_reply *replies,
- int child_count)
+afr_can_decide_split_brain_source_sinks(struct afr_reply *replies,
+ int child_count)
{
- int i = 0;
+ int i = 0;
- for (i = 0; i < child_count; i++)
- if (replies[i].valid != 1 || replies[i].op_ret != 0)
- return _gf_false;
+ for (i = 0; i < child_count; i++)
+ if (replies[i].valid != 1 || replies[i].op_ret != 0)
+ return _gf_false;
- return _gf_true;
+ return _gf_true;
}
int
-afr_mark_split_brain_source_sinks_by_heal_op (call_frame_t *frame,
- xlator_t *this, unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies,
- afr_transaction_type type, int heal_op)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- dict_t *xdata_req = NULL;
- dict_t *xdata_rsp = NULL;
- int ret = 0;
- int i = 0;
- char *name = NULL;
- int source = -1;
-
- local = frame->local;
- priv = this->private;
- xdata_req = local->xdata_req;
-
- for (i = 0; i < priv->child_count; i++) {
- if (locked_on[i])
- if (sources[i] || !sinks[i] || !healed_sinks[i]) {
- ret = -1;
- goto out;
- }
- }
- if (local->xdata_rsp == NULL) {
- local->xdata_rsp = dict_new();
- if (!local->xdata_rsp) {
- ret = -1;
- goto out;
- }
- }
- xdata_rsp = local->xdata_rsp;
-
- if (!afr_can_decide_split_brain_source_sinks (replies,
- priv->child_count)) {
- ret = dict_set_str (xdata_rsp, "sh-fail-msg",
- SBRAIN_HEAL_NO_GO_MSG);
+afr_mark_split_brain_source_sinks_by_heal_op(
+ call_frame_t *frame, xlator_t *this, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks, unsigned char *locked_on,
+ struct afr_reply *replies, afr_transaction_type type, int heal_op)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xdata_req = NULL;
+ dict_t *xdata_rsp = NULL;
+ int ret = 0;
+ int i = 0;
+ char *name = NULL;
+ int source = -1;
+
+ local = frame->local;
+ priv = this->private;
+ xdata_req = local->xdata_req;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (locked_on[i])
+ if (sources[i] || !sinks[i] || !healed_sinks[i]) {
ret = -1;
goto out;
- }
+ }
+ }
+ if (local->xdata_rsp == NULL) {
+ local->xdata_rsp = dict_new();
+ if (!local->xdata_rsp) {
+ ret = -1;
+ goto out;
+ }
+ }
+ xdata_rsp = local->xdata_rsp;
+
+ if (!afr_can_decide_split_brain_source_sinks(replies, priv->child_count)) {
+ ret = dict_set_sizen_str_sizen(xdata_rsp, "sh-fail-msg",
+ SBRAIN_HEAL_NO_GO_MSG);
+ ret = -1;
+ goto out;
+ }
- for (i = 0 ; i < priv->child_count; i++)
- if (locked_on[i])
- sources[i] = 1;
- switch (heal_op) {
+ for (i = 0; i < priv->child_count; i++)
+ if (locked_on[i])
+ sources[i] = 1;
+ switch (heal_op) {
case GF_SHD_OP_SBRAIN_HEAL_FROM_BIGGER_FILE:
- if (type == AFR_METADATA_TRANSACTION) {
- ret = dict_set_str (xdata_rsp, "sh-fail-msg",
- "Use source-brick option to"
- " heal metadata split-brain");
- if (!ret)
- ret = -1;
- goto out;
- }
- afr_mark_largest_file_as_source (this, sources, replies);
- if (AFR_COUNT (sources, priv->child_count) != 1) {
- ret = dict_set_str (xdata_rsp, "sh-fail-msg",
- "No bigger file");
- if (!ret)
- ret = -1;
- goto out;
- }
- break;
+ if (type == AFR_METADATA_TRANSACTION) {
+ ret = dict_set_sizen_str_sizen(xdata_rsp, "sh-fail-msg",
+ SUSE_SOURCE_BRICK_TO_HEAL);
+ if (!ret)
+ ret = -1;
+ goto out;
+ }
+ afr_mark_largest_file_as_source(this, sources, replies);
+ if (AFR_COUNT(sources, priv->child_count) != 1) {
+ ret = dict_set_sizen_str_sizen(xdata_rsp, "sh-fail-msg",
+ SNO_BIGGER_FILE);
+ if (!ret)
+ ret = -1;
+ goto out;
+ }
+ break;
case GF_SHD_OP_SBRAIN_HEAL_FROM_LATEST_MTIME:
- if (type == AFR_METADATA_TRANSACTION) {
- ret = dict_set_str (xdata_rsp, "sh-fail-msg",
- "Use source-brick option to"
- " heal metadata split-brain");
- if (!ret)
- ret = -1;
- goto out;
- }
- afr_mark_latest_mtime_file_as_source (this, sources, replies);
- if (AFR_COUNT (sources, priv->child_count) != 1) {
- ret = dict_set_str (xdata_rsp, "sh-fail-msg",
- "No difference in mtime");
- if (!ret)
- ret = -1;
- goto out;
- }
- break;
+ if (type == AFR_METADATA_TRANSACTION) {
+ ret = dict_set_sizen_str_sizen(xdata_rsp, "sh-fail-msg",
+ SUSE_SOURCE_BRICK_TO_HEAL);
+ if (!ret)
+ ret = -1;
+ goto out;
+ }
+ afr_mark_latest_mtime_file_as_source(this, sources, replies);
+ if (AFR_COUNT(sources, priv->child_count) != 1) {
+ ret = dict_set_sizen_str_sizen(xdata_rsp, "sh-fail-msg",
+ SNO_DIFF_IN_MTIME);
+ if (!ret)
+ ret = -1;
+ goto out;
+ }
+ break;
case GF_SHD_OP_SBRAIN_HEAL_FROM_BRICK:
- ret = dict_get_str (xdata_req, "child-name", &name);
- if (ret)
- goto out;
- source = afr_get_child_index_from_name (this, name);
- if (source < 0) {
- ret = dict_set_str (xdata_rsp, "sh-fail-msg",
- "Invalid brick name");
- if (!ret)
- ret = -1;
- goto out;
- }
- if (locked_on[source] != 1) {
- ret = dict_set_str (xdata_rsp, "sh-fail-msg",
- "Brick is not up");
- if (!ret)
- ret = -1;
- goto out;
- }
- memset (sources, 0, sizeof (*sources) * priv->child_count);
- sources[source] = 1;
- break;
- default:
- ret = -1;
+ ret = dict_get_str_sizen(xdata_req, "child-name", &name);
+ if (ret)
goto out;
- }
- for (i = 0 ; i < priv->child_count; i++) {
- if (sources[i]) {
- source = i;
- break;
- }
- }
- sinks[source] = 0;
- healed_sinks[source] = 0;
- ret = source;
+ source = afr_get_child_index_from_name(this, name);
+ if (source < 0) {
+ ret = dict_set_sizen_str_sizen(xdata_rsp, "sh-fail-msg",
+ SINVALID_BRICK_NAME);
+ if (!ret)
+ ret = -1;
+ goto out;
+ }
+ if (locked_on[source] != 1) {
+ ret = dict_set_sizen_str_sizen(xdata_rsp, "sh-fail-msg",
+ SBRICK_IS_NOT_UP);
+ if (!ret)
+ ret = -1;
+ goto out;
+ }
+ memset(sources, 0, sizeof(*sources) * priv->child_count);
+ sources[source] = 1;
+ break;
+ default:
+ ret = -1;
+ goto out;
+ }
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i]) {
+ source = i;
+ break;
+ }
+ }
+ sinks[source] = 0;
+ healed_sinks[source] = 0;
+ ret = source;
out:
- if (ret < 0)
- memset (sources, 0, sizeof (*sources) * priv->child_count);
- return ret;
-
+ if (ret < 0)
+ memset(sources, 0, sizeof(*sources) * priv->child_count);
+ return ret;
}
int
-afr_sh_fav_by_majority (xlator_t *this, struct afr_reply *replies,
- inode_t *inode)
-{
- afr_private_t *priv;
- int vote_count = -1;
- int fav_child = -1;
- int i = 0;
- int k = 0;
-
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (replies[i].valid == 1) {
- gf_msg_debug (this->name, 0, "Child:%s "
- "mtime_sec = %ld, size = %lu for gfid %s",
- priv->children[i]->name,
- replies[i].poststat.ia_mtime,
- replies[i].poststat.ia_size,
- uuid_utoa (inode->gfid));
- vote_count = 0;
- for (k = 0; k < priv->child_count; k++) {
- if ((replies[k].poststat.ia_mtime ==
- replies[i].poststat.ia_mtime) &&
- (replies[k].poststat.ia_size ==
- replies[i].poststat.ia_size)
- ) {
- vote_count++;
- }
- }
- if (vote_count > priv->child_count/2) {
- fav_child = i;
- break;
- }
+afr_sh_fav_by_majority(xlator_t *this, struct afr_reply *replies,
+ inode_t *inode)
+{
+ afr_private_t *priv;
+ int vote_count = -1;
+ int fav_child = -1;
+ int i = 0;
+ int k = 0;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies[i].valid == 1) {
+ gf_msg_debug(this->name, 0,
+ "Child:%s mtime_sec = %" PRId64 ", size = %" PRIu64
+ " for gfid %s",
+ priv->children[i]->name, replies[i].poststat.ia_mtime,
+ replies[i].poststat.ia_size, uuid_utoa(inode->gfid));
+ vote_count = 0;
+ for (k = 0; k < priv->child_count; k++) {
+ if ((replies[k].poststat.ia_mtime ==
+ replies[i].poststat.ia_mtime) &&
+ (replies[k].poststat.ia_size ==
+ replies[i].poststat.ia_size)) {
+ vote_count++;
}
+ }
+ if (vote_count > priv->child_count / 2) {
+ fav_child = i;
+ break;
+ }
}
- return fav_child;
+ }
+ return fav_child;
}
/*
* afr_sh_fav_by_mtime: Choose favorite child by mtime.
*/
int
-afr_sh_fav_by_mtime (xlator_t *this, struct afr_reply *replies, inode_t *inode)
-{
- afr_private_t *priv;
- int fav_child = -1;
- int i = 0;
- uint32_t cmp_mtime = 0;
- uint32_t cmp_mtime_nsec = 0;
-
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (replies[i].valid == 1) {
- gf_msg_debug (this->name, 0, "Child:%s "
- "mtime = %ld, mtime_nsec = %d for gfid %s",
- priv->children[i]->name,
- replies[i].poststat.ia_mtime,
- replies[i].poststat.ia_mtime_nsec,
- uuid_utoa (inode->gfid));
- if (replies[i].poststat.ia_mtime > cmp_mtime) {
- cmp_mtime = replies[i].poststat.ia_mtime;
- cmp_mtime_nsec =
- replies[i].poststat.ia_mtime_nsec;
- fav_child = i;
- } else if ((replies[i].poststat.ia_mtime == cmp_mtime)
- && (replies[i].poststat.ia_mtime_nsec >
- cmp_mtime_nsec)) {
- cmp_mtime = replies[i].poststat.ia_mtime;
- cmp_mtime_nsec =
- replies[i].poststat.ia_mtime_nsec;
- fav_child = i;
- }
- }
- }
- return fav_child;
+afr_sh_fav_by_mtime(xlator_t *this, struct afr_reply *replies, inode_t *inode)
+{
+ afr_private_t *priv;
+ int fav_child = -1;
+ int i = 0;
+ uint32_t cmp_mtime = 0;
+ uint32_t cmp_mtime_nsec = 0;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies[i].valid == 1) {
+ gf_msg_debug(this->name, 0,
+ "Child:%s mtime = %" PRId64
+ ", mtime_nsec = %d for "
+ "gfid %s",
+ priv->children[i]->name, replies[i].poststat.ia_mtime,
+ replies[i].poststat.ia_mtime_nsec,
+ uuid_utoa(inode->gfid));
+ if (replies[i].poststat.ia_mtime > cmp_mtime) {
+ cmp_mtime = replies[i].poststat.ia_mtime;
+ cmp_mtime_nsec = replies[i].poststat.ia_mtime_nsec;
+ fav_child = i;
+ } else if ((replies[i].poststat.ia_mtime == cmp_mtime) &&
+ (replies[i].poststat.ia_mtime_nsec > cmp_mtime_nsec)) {
+ cmp_mtime = replies[i].poststat.ia_mtime;
+ cmp_mtime_nsec = replies[i].poststat.ia_mtime_nsec;
+ fav_child = i;
+ }
+ }
+ }
+ return fav_child;
}
/*
* afr_sh_fav_by_ctime: Choose favorite child by ctime.
*/
int
-afr_sh_fav_by_ctime (xlator_t *this, struct afr_reply *replies, inode_t *inode)
-{
- afr_private_t *priv;
- int fav_child = -1;
- int i = 0;
- uint32_t cmp_ctime = 0;
- uint32_t cmp_ctime_nsec = 0;
-
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (replies[i].valid == 1) {
- gf_msg_debug (this->name, 0, "Child:%s "
- "ctime = %ld, ctime_nsec = %d for gfid %s",
- priv->children[i]->name,
- replies[i].poststat.ia_ctime,
- replies[i].poststat.ia_ctime_nsec,
- uuid_utoa (inode->gfid));
- if (replies[i].poststat.ia_ctime > cmp_ctime) {
- cmp_ctime = replies[i].poststat.ia_ctime;
- cmp_ctime_nsec =
- replies[i].poststat.ia_ctime_nsec;
- fav_child = i;
- } else if ((replies[i].poststat.ia_ctime == cmp_ctime)
- && (replies[i].poststat.ia_ctime_nsec >
- cmp_ctime_nsec)) {
- cmp_ctime = replies[i].poststat.ia_ctime;
- cmp_ctime_nsec =
- replies[i].poststat.ia_ctime_nsec;
- fav_child = i;
- }
- }
- }
- return fav_child;
+afr_sh_fav_by_ctime(xlator_t *this, struct afr_reply *replies, inode_t *inode)
+{
+ afr_private_t *priv;
+ int fav_child = -1;
+ int i = 0;
+ uint32_t cmp_ctime = 0;
+ uint32_t cmp_ctime_nsec = 0;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies[i].valid == 1) {
+ gf_msg_debug(this->name, 0,
+ "Child:%s ctime = %" PRId64
+ ", ctime_nsec = %d for "
+ "gfid %s",
+ priv->children[i]->name, replies[i].poststat.ia_ctime,
+ replies[i].poststat.ia_ctime_nsec,
+ uuid_utoa(inode->gfid));
+ if (replies[i].poststat.ia_ctime > cmp_ctime) {
+ cmp_ctime = replies[i].poststat.ia_ctime;
+ cmp_ctime_nsec = replies[i].poststat.ia_ctime_nsec;
+ fav_child = i;
+ } else if ((replies[i].poststat.ia_ctime == cmp_ctime) &&
+ (replies[i].poststat.ia_ctime_nsec > cmp_ctime_nsec)) {
+ cmp_ctime = replies[i].poststat.ia_ctime;
+ cmp_ctime_nsec = replies[i].poststat.ia_ctime_nsec;
+ fav_child = i;
+ }
+ }
+ }
+ return fav_child;
}
/*
- * afr_sh_fav_by_size: Choose favorite child by size.
+ * afr_sh_fav_by_size: Choose favorite child by size
+ * when not all files are of zero size.
*/
int
-afr_sh_fav_by_size (xlator_t *this, struct afr_reply *replies, inode_t *inode)
-{
- afr_private_t *priv;
- int fav_child = -1;
- int i = 0;
- uint64_t cmp_sz = 0;
-
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (replies[i].valid == 1) {
- gf_msg_debug (this->name, 0, "Child:%s "
- "file size = %lu for gfid %s",
- priv->children[i]->name,
- replies[i].poststat.ia_size,
- uuid_utoa (inode->gfid));
- if (replies[i].poststat.ia_size > cmp_sz) {
- cmp_sz = replies[i].poststat.ia_size;
- fav_child = i;
- }
- }
- }
- return fav_child;
+afr_sh_fav_by_size(xlator_t *this, struct afr_reply *replies, inode_t *inode)
+{
+ afr_private_t *priv;
+ int fav_child = -1;
+ int i = 0;
+ uint64_t cmp_sz = 0;
+
+ priv = this->private;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid) {
+ continue;
+ }
+ gf_msg_debug(this->name, 0,
+ "Child:%s file size = %" PRIu64 " for gfid %s",
+ priv->children[i]->name, replies[i].poststat.ia_size,
+ uuid_utoa(inode->gfid));
+ if (replies[i].poststat.ia_type == IA_IFDIR) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SBRAIN_FAV_CHILD_POLICY,
+ "Cannot perform selfheal on %s. "
+ "Size policy is not applicable to directories.",
+ uuid_utoa(inode->gfid));
+ break;
+ }
+ if (replies[i].poststat.ia_size > cmp_sz) {
+ cmp_sz = replies[i].poststat.ia_size;
+ fav_child = i;
+ } else if (replies[i].poststat.ia_size == cmp_sz) {
+ fav_child = -1;
+ }
+ }
+ if (fav_child == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "No bigger file");
+ }
+ return fav_child;
}
int
-afr_sh_get_fav_by_policy (xlator_t *this, struct afr_reply *replies,
- inode_t *inode, char **policy_str)
+afr_sh_get_fav_by_policy(xlator_t *this, struct afr_reply *replies,
+ inode_t *inode, char **policy_str)
{
- afr_private_t *priv = NULL;
- int fav_child = -1;
+ afr_private_t *priv = NULL;
+ int fav_child = -1;
- priv = this->private;
- if (!afr_can_decide_split_brain_source_sinks (replies,
- priv->child_count)) {
- return -1;
- }
+ priv = this->private;
+ if (!afr_can_decide_split_brain_source_sinks(replies, priv->child_count)) {
+ return -1;
+ }
- switch (priv->fav_child_policy) {
+ switch (priv->fav_child_policy) {
case AFR_FAV_CHILD_BY_SIZE:
- fav_child = afr_sh_fav_by_size (this, replies, inode);
- if (policy_str && fav_child >= 0) {
- *policy_str = "SIZE";
- }
- break;
+ fav_child = afr_sh_fav_by_size(this, replies, inode);
+ if (policy_str && fav_child >= 0) {
+ *policy_str = "SIZE";
+ }
+ break;
case AFR_FAV_CHILD_BY_CTIME:
- fav_child = afr_sh_fav_by_ctime (this, replies, inode);
- if (policy_str && fav_child >= 0) {
- *policy_str = "CTIME";
- }
- break;
+ fav_child = afr_sh_fav_by_ctime(this, replies, inode);
+ if (policy_str && fav_child >= 0) {
+ *policy_str = "CTIME";
+ }
+ break;
case AFR_FAV_CHILD_BY_MTIME:
- fav_child = afr_sh_fav_by_mtime (this, replies, inode);
- if (policy_str && fav_child >= 0) {
- *policy_str = "MTIME";
- }
- break;
+ fav_child = afr_sh_fav_by_mtime(this, replies, inode);
+ if (policy_str && fav_child >= 0) {
+ *policy_str = "MTIME";
+ }
+ break;
case AFR_FAV_CHILD_BY_MAJORITY:
- fav_child = afr_sh_fav_by_majority (this, replies, inode);
- if (policy_str && fav_child >= 0) {
- *policy_str = "MAJORITY";
- }
- break;
+ fav_child = afr_sh_fav_by_majority(this, replies, inode);
+ if (policy_str && fav_child >= 0) {
+ *policy_str = "MAJORITY";
+ }
+ break;
case AFR_FAV_CHILD_NONE:
default:
- break;
- }
+ break;
+ }
- return fav_child;
+ return fav_child;
}
int
-afr_mark_split_brain_source_sinks_by_policy (call_frame_t *frame,
- xlator_t *this,
- inode_t *inode,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies,
- afr_transaction_type type)
-{
- afr_private_t *priv = NULL;
- int fav_child = -1;
- char mtime_str[256];
- char ctime_str[256];
- char *policy_str = NULL;
- struct tm *tm_ptr;
- time_t time;
-
- priv = this->private;
-
- fav_child = afr_sh_get_fav_by_policy (this, replies, inode,
- &policy_str);
- if (fav_child > priv->child_count - 1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SBRAIN_FAV_CHILD_POLICY, "Invalid child (%d) "
- "selected by policy %s.", fav_child, policy_str);
- } else if (fav_child >= 0) {
- time = replies[fav_child].poststat.ia_mtime;
- tm_ptr = localtime (&time);
- strftime (mtime_str, sizeof (mtime_str), "%Y-%m-%d %H:%M:%S",
- tm_ptr);
- time = replies[fav_child].poststat.ia_ctime;
- tm_ptr = localtime (&time);
- strftime (ctime_str, sizeof (ctime_str), "%Y-%m-%d %H:%M:%S",
- tm_ptr);
-
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_SBRAIN_FAV_CHILD_POLICY, "Source %s "
- "selected as authentic to resolve conflicting "
- "data in file (gfid:%s) by %s (%lu bytes @ %s mtime, "
- "%s ctime).",
- priv->children[fav_child]->name,
- uuid_utoa (inode->gfid),
- policy_str,
- replies[fav_child].poststat.ia_size,
- mtime_str,
- ctime_str);
-
- sources[fav_child] = 1;
- sinks[fav_child] = 0;
- healed_sinks[fav_child] = 0;
- }
- return fav_child;
+afr_mark_split_brain_source_sinks_by_policy(
+ call_frame_t *frame, xlator_t *this, inode_t *inode, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks, unsigned char *locked_on,
+ struct afr_reply *replies, afr_transaction_type type)
+{
+ afr_private_t *priv = NULL;
+ int fav_child = -1;
+ char mtime_str[256];
+ char ctime_str[256];
+ char *policy_str = NULL;
+ struct tm *tm_ptr;
+ time_t time;
+
+ priv = this->private;
+
+ fav_child = afr_sh_get_fav_by_policy(this, replies, inode, &policy_str);
+ if (fav_child == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SBRAIN_FAV_CHILD_POLICY,
+ "No child selected by favorite-child policy.");
+ } else if (fav_child > priv->child_count - 1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SBRAIN_FAV_CHILD_POLICY,
+ "Invalid child (%d) "
+ "selected by policy %s.",
+ fav_child, policy_str);
+ } else if (fav_child >= 0) {
+ time = replies[fav_child].poststat.ia_mtime;
+ tm_ptr = localtime(&time);
+ strftime(mtime_str, sizeof(mtime_str), "%Y-%m-%d %H:%M:%S", tm_ptr);
+ time = replies[fav_child].poststat.ia_ctime;
+ tm_ptr = localtime(&time);
+ strftime(ctime_str, sizeof(ctime_str), "%Y-%m-%d %H:%M:%S", tm_ptr);
+
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_SBRAIN_FAV_CHILD_POLICY,
+ "Source %s selected as authentic to resolve conflicting data "
+ "in file (gfid:%s) by %s (%" PRIu64
+ " bytes @ %s mtime, %s "
+ "ctime).",
+ priv->children[fav_child]->name, uuid_utoa(inode->gfid),
+ policy_str, replies[fav_child].poststat.ia_size, mtime_str,
+ ctime_str);
+
+ sources[fav_child] = 1;
+ sinks[fav_child] = 0;
+ healed_sinks[fav_child] = 0;
+ }
+ return fav_child;
}
gf_boolean_t
-afr_is_file_empty_on_all_children (afr_private_t *priv,
- struct afr_reply *replies)
+afr_is_file_empty_on_all_children(afr_private_t *priv,
+ struct afr_reply *replies)
{
- int i = 0;
+ int i = 0;
- for (i = 0; i < priv->child_count; i++) {
- if ((!replies[i].valid) || (replies[i].op_ret != 0) ||
- (replies[i].poststat.ia_size != 0))
- return _gf_false;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if ((!replies[i].valid) || (replies[i].op_ret != 0) ||
+ (replies[i].poststat.ia_size != 0))
+ return _gf_false;
+ }
- return _gf_true;
+ return _gf_true;
}
int
-afr_mark_source_sinks_if_file_empty (xlator_t *this, unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies,
- afr_transaction_type type)
-{
- int source = -1;
- int i = 0;
- afr_private_t *priv = this->private;
- struct iatt stbuf = {0, };
-
- if ((AFR_COUNT (locked_on, priv->child_count) < priv->child_count) ||
- (afr_success_count(replies, priv->child_count) < priv->child_count))
- return -1;
-
- if (type == AFR_DATA_TRANSACTION) {
- if (!afr_is_file_empty_on_all_children(priv, replies))
- return -1;
- goto mark;
- }
+afr_mark_source_sinks_if_file_empty(xlator_t *this, unsigned char *sources,
+ unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *locked_on,
+ struct afr_reply *replies,
+ afr_transaction_type type)
+{
+ int source = -1;
+ int i = 0;
+ afr_private_t *priv = this->private;
+ struct iatt stbuf = {
+ 0,
+ };
+
+ if ((AFR_COUNT(locked_on, priv->child_count) < priv->child_count) ||
+ (afr_success_count(replies, priv->child_count) < priv->child_count))
+ return -1;
- /*For AFR_METADATA_TRANSACTION, metadata must be same on all bricks.*/
- stbuf = replies[0].poststat;
- for (i = 1; i < priv->child_count; i++) {
- if ((!IA_EQUAL (stbuf, replies[i].poststat, type)) ||
- (!IA_EQUAL (stbuf, replies[i].poststat, uid)) ||
- (!IA_EQUAL (stbuf, replies[i].poststat, gid)) ||
- (!IA_EQUAL (stbuf, replies[i].poststat, prot)))
- return -1;
- }
- for (i = 1; i < priv->child_count; i++) {
- if (!afr_xattrs_are_equal (replies[0].xdata,
- replies[i].xdata))
- return -1;
- }
+ if (type == AFR_DATA_TRANSACTION) {
+ if (!afr_is_file_empty_on_all_children(priv, replies))
+ return -1;
+ goto mark;
+ }
+
+ /*For AFR_METADATA_TRANSACTION, metadata must be same on all bricks.*/
+ stbuf = replies[0].poststat;
+ for (i = 1; i < priv->child_count; i++) {
+ if ((!IA_EQUAL(stbuf, replies[i].poststat, type)) ||
+ (!IA_EQUAL(stbuf, replies[i].poststat, uid)) ||
+ (!IA_EQUAL(stbuf, replies[i].poststat, gid)) ||
+ (!IA_EQUAL(stbuf, replies[i].poststat, prot)))
+ return -1;
+ }
+ for (i = 1; i < priv->child_count; i++) {
+ if (!afr_xattrs_are_equal(replies[0].xdata, replies[i].xdata))
+ return -1;
+ }
mark:
- /* data/metadata is same on all bricks. Pick one of them as source. Rest
- * are sinks.*/
- for (i = 0 ; i < priv->child_count; i++) {
- if (source == -1) {
- source = i;
- sources[i] = 1;
- sinks[i] = 0;
- healed_sinks[i] = 0;
- continue;
- }
- sources[i] = 0;
- sinks[i] = 1;
- healed_sinks[i] = 1;
+ /* data/metadata is same on all bricks. Pick one of them as source. Rest
+ * are sinks.*/
+ for (i = 0; i < priv->child_count; i++) {
+ if (source == -1) {
+ source = i;
+ sources[i] = 1;
+ sinks[i] = 0;
+ healed_sinks[i] = 0;
+ continue;
}
+ sources[i] = 0;
+ sinks[i] = 1;
+ healed_sinks[i] = 1;
+ }
- return source;
+ return source;
}
/* Return a source depending on the type of heal_op, and set sources[source],
@@ -1353,171 +1389,156 @@ mark:
* sinks[node] are 1. This should be the case if the file is in split-brain.
*/
int
-afr_mark_split_brain_source_sinks (call_frame_t *frame, xlator_t *this,
- inode_t *inode,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies,
- afr_transaction_type type)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- dict_t *xdata_req = NULL;
- int heal_op = -1;
- int ret = -1;
- int source = -1;
-
- local = frame->local;
- priv = this->private;
- xdata_req = local->xdata_req;
-
- source = afr_mark_source_sinks_if_file_empty (this, sources, sinks,
- healed_sinks, locked_on,
- replies, type);
- if (source >= 0)
- return source;
-
- ret = dict_get_int32 (xdata_req, "heal-op", &heal_op);
- if (ret)
- goto autoheal;
-
- source = afr_mark_split_brain_source_sinks_by_heal_op (frame, this,
- sources, sinks,
- healed_sinks,
- locked_on, replies,
- type, heal_op);
+afr_mark_split_brain_source_sinks(
+ call_frame_t *frame, xlator_t *this, inode_t *inode, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks, unsigned char *locked_on,
+ struct afr_reply *replies, afr_transaction_type type)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xdata_req = NULL;
+ int heal_op = -1;
+ int ret = -1;
+ int source = -1;
+
+ local = frame->local;
+ priv = this->private;
+ xdata_req = local->xdata_req;
+
+ source = afr_mark_source_sinks_if_file_empty(
+ this, sources, sinks, healed_sinks, locked_on, replies, type);
+ if (source >= 0)
return source;
+ ret = dict_get_int32_sizen(xdata_req, "heal-op", &heal_op);
+ if (ret)
+ goto autoheal;
+
+ source = afr_mark_split_brain_source_sinks_by_heal_op(
+ frame, this, sources, sinks, healed_sinks, locked_on, replies, type,
+ heal_op);
+ return source;
+
autoheal:
- /* Automatically heal if fav_child_policy is set. */
- if (priv->fav_child_policy != AFR_FAV_CHILD_NONE) {
- source = afr_mark_split_brain_source_sinks_by_policy (frame,
- this,
- inode,
- sources,
- sinks,
- healed_sinks,
- locked_on,
- replies,
- type);
- if (source != -1) {
- ret = dict_set_int32 (xdata_req, "fav-child-policy", 1);
- if (ret)
- return -1;
- }
+ /* Automatically heal if fav_child_policy is set. */
+ if (priv->fav_child_policy != AFR_FAV_CHILD_NONE) {
+ source = afr_mark_split_brain_source_sinks_by_policy(
+ frame, this, inode, sources, sinks, healed_sinks, locked_on,
+ replies, type);
+ if (source != -1) {
+ ret = dict_set_int32_sizen(xdata_req, "fav-child-policy", 1);
+ if (ret)
+ return -1;
}
+ }
- return source;
+ return source;
}
int
-_afr_fav_child_reset_sink_xattrs (call_frame_t *frame, xlator_t *this,
- inode_t *inode, int source,
- unsigned char *healed_sinks,
- unsigned char *undid_pending,
- afr_transaction_type type,
- unsigned char *locked_on,
- struct afr_reply *replies)
+_afr_fav_child_reset_sink_xattrs(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, int source,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ afr_transaction_type type,
+ unsigned char *locked_on,
+ struct afr_reply *replies)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int *input_dirty = NULL;
- int **input_matrix = NULL;
- int *output_dirty = NULL;
- int **output_matrix = NULL;
- dict_t *xattr = NULL;
- dict_t *xdata = NULL;
- int i = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int *input_dirty = NULL;
+ int **input_matrix = NULL;
+ int *output_dirty = NULL;
+ int **output_matrix = NULL;
+ dict_t *xattr = NULL;
+ dict_t *xdata = NULL;
+ int i = 0;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- if (!dict_get (local->xdata_req, "fav-child-policy"))
- return 0;
+ if (!dict_get_sizen(local->xdata_req, "fav-child-policy"))
+ return 0;
- xdata = dict_new();
- if (!xdata)
- return -1;
+ xdata = dict_new();
+ if (!xdata)
+ return -1;
- input_dirty = alloca0 (priv->child_count * sizeof (int));
- input_matrix = ALLOC_MATRIX (priv->child_count, int);
- output_dirty = alloca0 (priv->child_count * sizeof (int));
- output_matrix = ALLOC_MATRIX (priv->child_count, int);
+ input_dirty = alloca0(priv->child_count * sizeof(int));
+ input_matrix = ALLOC_MATRIX(priv->child_count, int);
+ output_dirty = alloca0(priv->child_count * sizeof(int));
+ output_matrix = ALLOC_MATRIX(priv->child_count, int);
- afr_selfheal_extract_xattr (this, replies, type, input_dirty,
- input_matrix);
+ afr_selfheal_extract_xattr(this, replies, type, input_dirty, input_matrix);
- for (i = 0; i < priv->child_count; i++) {
- if (i == source || !healed_sinks[i])
- continue;
- output_dirty[i] = -input_dirty[i];
- output_matrix[i][source] = -input_matrix[i][source];
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (i == source || !healed_sinks[i])
+ continue;
+ output_dirty[i] = -input_dirty[i];
+ output_matrix[i][source] = -input_matrix[i][source];
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (!healed_sinks[i] || !locked_on[i])
- continue;
- xattr = afr_selfheal_output_xattr (this, _gf_false, type,
- output_dirty, output_matrix,
- i, NULL);
+ for (i = 0; i < priv->child_count; i++) {
+ if (!healed_sinks[i] || !locked_on[i])
+ continue;
+ xattr = afr_selfheal_output_xattr(this, _gf_false, type, output_dirty,
+ output_matrix, i, NULL);
- afr_selfheal_post_op (frame, this, inode, i, xattr, xdata);
+ afr_selfheal_post_op(frame, this, inode, i, xattr, xdata);
- undid_pending[i] = 1;
- dict_unref (xattr);
- }
+ undid_pending[i] = 1;
+ dict_unref(xattr);
+ }
- if (xdata)
- dict_unref (xdata);
+ if (xdata)
+ dict_unref(xdata);
- return 0;
+ return 0;
}
gf_boolean_t
-afr_does_witness_exist (xlator_t *this, uint64_t *witness)
+afr_does_witness_exist(xlator_t *this, uint64_t *witness)
{
- int i = 0;
- afr_private_t *priv = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (witness[i])
- return _gf_true;
- }
- return _gf_false;
+ for (i = 0; i < priv->child_count; i++) {
+ if (witness[i])
+ return _gf_true;
+ }
+ return _gf_false;
}
unsigned int
-afr_get_quorum_count (afr_private_t *priv)
+afr_get_quorum_count(afr_private_t *priv)
{
- if (priv->quorum_count == AFR_QUORUM_AUTO) {
- return priv->child_count/2 + 1;
- } else {
- return priv->quorum_count;
- }
+ if (priv->quorum_count == AFR_QUORUM_AUTO) {
+ return priv->child_count / 2 + 1;
+ } else {
+ return priv->quorum_count;
+ }
}
void
-afr_selfheal_post_op_failure_accounting (afr_private_t *priv, char *accused,
- unsigned char *sources,
- unsigned char *locked_on)
+afr_selfheal_post_op_failure_accounting(afr_private_t *priv, char *accused,
+ unsigned char *sources,
+ unsigned char *locked_on)
{
- int i = 0;
- unsigned int quorum_count = 0;
+ int i = 0;
+ unsigned int quorum_count = 0;
- if (AFR_COUNT (sources, priv->child_count) != 0)
- return;
+ if (AFR_COUNT(sources, priv->child_count) != 0)
+ return;
- quorum_count = afr_get_quorum_count (priv);
- for (i = 0; i < priv->child_count; i++) {
- if ((accused[i] < quorum_count) && locked_on[i]) {
- sources[i] = 1;
- }
+ quorum_count = afr_get_quorum_count(priv);
+ for (i = 0; i < priv->child_count; i++) {
+ if ((accused[i] < quorum_count) && locked_on[i]) {
+ sources[i] = 1;
}
- return;
+ }
+ return;
}
/*
@@ -1540,700 +1561,711 @@ afr_selfheal_post_op_failure_accounting (afr_private_t *priv, char *accused,
*/
int
-afr_selfheal_find_direction (call_frame_t *frame, xlator_t *this,
- struct afr_reply *replies,
- afr_transaction_type type,
- unsigned char *locked_on, unsigned char *sources,
- unsigned char *sinks, uint64_t *witness,
- gf_boolean_t *pflag)
-{
- afr_private_t *priv = NULL;
- int i = 0;
- int j = 0;
- int *dirty = NULL; /* Denotes if dirty xattr is set */
- int **matrix = NULL;/* Changelog matrix */
- char *accused = NULL;/* Accused others without any self-accusal */
- char *pending = NULL;/* Have pending operations on others */
- char *self_accused = NULL; /* Accused itself */
- int min_participants = -1;
-
- priv = this->private;
-
- dirty = alloca0 (priv->child_count * sizeof (int));
- accused = alloca0 (priv->child_count);
- pending = alloca0 (priv->child_count);
- self_accused = alloca0 (priv->child_count);
- matrix = ALLOC_MATRIX(priv->child_count, int);
- memset (witness, 0, sizeof (*witness) * priv->child_count);
-
- /* First construct the pending matrix for further analysis */
- afr_selfheal_extract_xattr (this, replies, type, dirty, matrix);
-
- if (pflag) {
- for (i = 0; i < priv->child_count; i++) {
- for (j = 0; j < priv->child_count; j++)
- if (matrix[i][j])
- *pflag = _gf_true;
- if (*pflag)
- break;
- }
+afr_selfheal_find_direction(call_frame_t *frame, xlator_t *this,
+ struct afr_reply *replies,
+ afr_transaction_type type, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks,
+ uint64_t *witness, unsigned char *pflag)
+{
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int j = 0;
+ int *dirty = NULL; /* Denotes if dirty xattr is set */
+ int **matrix = NULL; /* Changelog matrix */
+ char *accused = NULL; /* Accused others without any self-accusal */
+ char *pending = NULL; /* Have pending operations on others */
+ char *self_accused = NULL; /* Accused itself */
+
+ priv = this->private;
+
+ dirty = alloca0(priv->child_count * sizeof(int));
+ accused = alloca0(priv->child_count);
+ pending = alloca0(priv->child_count);
+ self_accused = alloca0(priv->child_count);
+ matrix = ALLOC_MATRIX(priv->child_count, int);
+ memset(witness, 0, sizeof(*witness) * priv->child_count);
+
+ /* First construct the pending matrix for further analysis */
+ afr_selfheal_extract_xattr(this, replies, type, dirty, matrix);
+
+ if (pflag) {
+ for (i = 0; i < priv->child_count; i++) {
+ for (j = 0; j < priv->child_count; j++)
+ if (matrix[i][j])
+ *pflag |= PFLAG_PENDING;
+ if (*pflag)
+ break;
}
+ }
- if (type == AFR_DATA_TRANSACTION) {
- min_participants = priv->child_count;
- } else {
- min_participants = AFR_SH_MIN_PARTICIPANTS;
- }
- if (afr_success_count (replies,
- priv->child_count) < min_participants) {
- /* Treat this just like locks not being acquired */
- return -ENOTCONN;
+ if (afr_success_count(replies, priv->child_count) < priv->child_count) {
+ /* Treat this just like locks not being acquired */
+ return -ENOTCONN;
+ }
+
+ /* short list all self-accused */
+ for (i = 0; i < priv->child_count; i++) {
+ if (matrix[i][i])
+ self_accused[i] = 1;
+ }
+
+ /* Next short list all accused to exclude them from being sources */
+ /* Self-accused can't accuse others as they are FOOLs */
+ for (i = 0; i < priv->child_count; i++) {
+ for (j = 0; j < priv->child_count; j++) {
+ if (matrix[i][j]) {
+ if (!self_accused[i])
+ accused[j] += 1;
+ if (i != j)
+ pending[i] += 1;
+ }
}
+ }
- /* short list all self-accused */
+ /* Short list all non-accused as sources */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!accused[i] && locked_on[i])
+ sources[i] = 1;
+ else
+ sources[i] = 0;
+ }
+
+ /* Everyone accused by non-self-accused sources are sinks */
+ memset(sinks, 0, priv->child_count);
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ if (self_accused[i])
+ continue;
+ for (j = 0; j < priv->child_count; j++) {
+ if (matrix[i][j])
+ sinks[j] = 1;
+ }
+ }
+
+ /* For breaking ties provide with number of fops they witnessed */
+
+ /*
+ * count the pending fops witnessed from itself to others when it is
+ * self-accused
+ */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!self_accused[i])
+ continue;
+ for (j = 0; j < priv->child_count; j++) {
+ if (i == j)
+ continue;
+ witness[i] += matrix[i][j];
+ }
+ }
+
+ if (type == AFR_DATA_TRANSACTION || type == AFR_METADATA_TRANSACTION)
+ afr_selfheal_post_op_failure_accounting(priv, accused, sources,
+ locked_on);
+
+ /* If no sources, all locked nodes are sinks - split brain */
+ if (AFR_COUNT(sources, priv->child_count) == 0) {
for (i = 0; i < priv->child_count; i++) {
- if (matrix[i][i])
- self_accused[i] = 1;
+ if (locked_on[i])
+ sinks[i] = 1;
}
+ if (pflag)
+ *pflag |= PFLAG_SBRAIN;
+ }
- /* Next short list all accused to exclude them from being sources */
- /* Self-accused can't accuse others as they are FOOLs */
- for (i = 0; i < priv->child_count; i++) {
- for (j = 0; j < priv->child_count; j++) {
- if (matrix[i][j]) {
- if (!self_accused[i])
- accused[j] += 1;
- if (i != j)
- pending[i] += 1;
- }
- }
- }
-
- /* Short list all non-accused as sources */
- memset (sources, 0, priv->child_count);
- for (i = 0; i < priv->child_count; i++) {
- if (!accused[i] && locked_on[i])
- sources[i] = 1;
- }
-
- /* Everyone accused by non-self-accused sources are sinks */
- memset (sinks, 0, priv->child_count);
+ /* One more class of witness similar to dirty in v2 is where no pending
+ * exists but we have self-accusing markers. This can happen in afr-v1
+ * if the brick crashes just after doing xattrop on self but
+ * before xattrop on the other xattrs on the brick in pre-op. */
+ if (AFR_COUNT(pending, priv->child_count) == 0) {
for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- if (self_accused[i])
- continue;
- for (j = 0; j < priv->child_count; j++) {
- if (matrix[i][j])
- sinks[j] = 1;
- }
+ if (self_accused[i])
+ witness[i] += matrix[i][i];
}
-
- /* For breaking ties provide with number of fops they witnessed */
-
- /*
- * count the pending fops witnessed from itself to others when it is
- * self-accused
+ } else {
+ /* In afr-v1 if a file is self-accused and has pending
+ * operations on others then it is similar to 'dirty' in afr-v2.
+ * Consider such cases as witness.
*/
for (i = 0; i < priv->child_count; i++) {
- if (!self_accused[i])
- continue;
- for (j = 0; j < priv->child_count; j++) {
- if (i == j)
- continue;
- witness[i] += matrix[i][j];
- }
+ if (self_accused[i] && pending[i])
+ witness[i] += matrix[i][i];
}
+ }
- if (type == AFR_DATA_TRANSACTION)
- afr_selfheal_post_op_failure_accounting (priv, accused,
- sources, locked_on);
+ /* count the number of dirty fops witnessed */
+ for (i = 0; i < priv->child_count; i++)
+ witness[i] += dirty[i];
- /* If no sources, all locked nodes are sinks - split brain */
- if (AFR_COUNT (sources, priv->child_count) == 0) {
- for (i = 0; i < priv->child_count; i++) {
- if (locked_on[i])
- sinks[i] = 1;
- }
- }
-
- /* One more class of witness similar to dirty in v2 is where no pending
- * exists but we have self-accusing markers. This can happen in afr-v1
- * if the brick crashes just after doing xattrop on self but
- * before xattrop on the other xattrs on the brick in pre-op. */
- if (AFR_COUNT (pending, priv->child_count) == 0) {
- for (i = 0; i < priv->child_count; i++) {
- if (self_accused[i])
- witness[i] += matrix[i][i];
- }
- } else {
- /* In afr-v1 if a file is self-accused and has pending
- * operations on others then it is similar to 'dirty' in afr-v2.
- * Consider such cases as witness.
- */
- for (i = 0; i < priv->child_count; i++) {
- if (self_accused[i] && pending[i])
- witness[i] += matrix[i][i];
- }
- }
-
-
- /* count the number of dirty fops witnessed */
- for (i = 0; i < priv->child_count; i++)
- witness[i] += dirty[i];
-
- return 0;
+ return 0;
}
void
-afr_log_selfheal (uuid_t gfid, xlator_t *this, int ret, char *type,
- int source, unsigned char *sources,
- unsigned char *healed_sinks)
-{
- char *status = NULL;
- char *sinks_str = NULL;
- char *p = NULL;
- char *sources_str = NULL;
- char *q = NULL;
- afr_private_t *priv = NULL;
- gf_loglevel_t loglevel = GF_LOG_NONE;
- int i = 0;
-
- priv = this->private;
- sinks_str = alloca0 (priv->child_count * 8);
- p = sinks_str;
- sources_str = alloca0 (priv->child_count * 8);
- q = sources_str;
- for (i = 0; i < priv->child_count; i++) {
- if (healed_sinks[i])
- p += sprintf (p, "%d ", i);
- if (sources[i]) {
- if (source == i) {
- q += sprintf (q, "[%d] ", i);
- } else {
- q += sprintf (q, "%d ", i);
- }
- }
- }
-
- if (ret < 0) {
- status = "Failed";
- loglevel = GF_LOG_DEBUG;
- } else {
- status = "Completed";
- loglevel = GF_LOG_INFO;
- }
-
- gf_msg (this->name, loglevel, 0,
- AFR_MSG_SELF_HEAL_INFO, "%s %s selfheal on %s. "
- "sources=%s sinks=%s", status, type, uuid_utoa (gfid),
- sources_str, sinks_str);
+afr_log_selfheal(uuid_t gfid, xlator_t *this, int ret, char *type, int source,
+ unsigned char *sources, unsigned char *healed_sinks)
+{
+ char *status = NULL;
+ char *sinks_str = NULL;
+ char *p = NULL;
+ char *sources_str = NULL;
+ char *q = NULL;
+ afr_private_t *priv = NULL;
+ gf_loglevel_t loglevel = GF_LOG_NONE;
+ int i = 0;
+
+ priv = this->private;
+ sinks_str = alloca0(priv->child_count * 8);
+ p = sinks_str;
+ sources_str = alloca0(priv->child_count * 8);
+ q = sources_str;
+ for (i = 0; i < priv->child_count; i++) {
+ if (healed_sinks[i])
+ p += sprintf(p, "%d ", i);
+ if (sources[i]) {
+ if (source == i) {
+ q += sprintf(q, "[%d] ", i);
+ } else {
+ q += sprintf(q, "%d ", i);
+ }
+ }
+ }
+
+ if (ret < 0) {
+ status = "Failed";
+ loglevel = GF_LOG_DEBUG;
+ } else {
+ status = "Completed";
+ loglevel = GF_LOG_INFO;
+ }
+
+ gf_msg(this->name, loglevel, 0, AFR_MSG_SELF_HEAL_INFO,
+ "%s %s selfheal on %s. "
+ "sources=%s sinks=%s",
+ status, type, uuid_utoa(gfid), sources_str, sinks_str);
}
int
-afr_selfheal_discover_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode,
- struct iatt *buf, dict_t *xdata, struct iatt *parbuf)
-{
- afr_local_t *local = NULL;
- int i = -1;
- GF_UNUSED int ret = -1;
- int8_t need_heal = 1;
-
- local = frame->local;
- i = (long) cookie;
-
- local->replies[i].valid = 1;
- local->replies[i].op_ret = op_ret;
- local->replies[i].op_errno = op_errno;
- if (buf)
- local->replies[i].poststat = *buf;
- if (parbuf)
- local->replies[i].postparent = *parbuf;
- if (xdata) {
- local->replies[i].xdata = dict_ref (xdata);
- ret = dict_get_int8 (xdata, "link-count", &need_heal);
- local->replies[i].need_heal = need_heal;
- } else {
- local->replies[i].need_heal = need_heal;
- }
-
- syncbarrier_wake (&local->barrier);
+afr_selfheal_discover_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xdata, struct iatt *parbuf)
+{
+ afr_local_t *local = NULL;
+ int i = -1;
+ GF_UNUSED int ret = -1;
+ int8_t need_heal = 1;
- return 0;
-}
+ local = frame->local;
+ i = (long)cookie;
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
+ if (buf)
+ local->replies[i].poststat = *buf;
+ if (parbuf)
+ local->replies[i].postparent = *parbuf;
+ if (xdata) {
+ local->replies[i].xdata = dict_ref(xdata);
+ ret = dict_get_int8(xdata, "link-count", &need_heal);
+ }
-inode_t *
-afr_selfheal_unlocked_lookup_on (call_frame_t *frame, inode_t *parent,
- const char *name, struct afr_reply *replies,
- unsigned char *lookup_on, dict_t *xattr)
-{
- loc_t loc = {0, };
- dict_t *xattr_req = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- inode_t *inode = NULL;
+ local->replies[i].need_heal = need_heal;
+ syncbarrier_wake(&local->barrier);
- local = frame->local;
- priv = frame->this->private;
+ return 0;
+}
- xattr_req = dict_new ();
- if (!xattr_req)
- return NULL;
+inode_t *
+afr_selfheal_unlocked_lookup_on(call_frame_t *frame, inode_t *parent,
+ const char *name, struct afr_reply *replies,
+ unsigned char *lookup_on, dict_t *xattr)
+{
+ loc_t loc = {
+ 0,
+ };
+ dict_t *xattr_req = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ inode_t *inode = NULL;
+
+ local = frame->local;
+ priv = frame->this->private;
+
+ xattr_req = dict_new();
+ if (!xattr_req)
+ return NULL;
- if (xattr)
- dict_copy (xattr, xattr_req);
+ if (xattr)
+ dict_copy(xattr, xattr_req);
- if (afr_xattr_req_prepare (frame->this, xattr_req) != 0) {
- dict_unref (xattr_req);
- return NULL;
- }
+ if (afr_xattr_req_prepare(frame->this, xattr_req) != 0) {
+ dict_unref(xattr_req);
+ return NULL;
+ }
- inode = inode_new (parent->table);
- if (!inode) {
- dict_unref (xattr_req);
- return NULL;
- }
+ inode = inode_new(parent->table);
+ if (!inode) {
+ dict_unref(xattr_req);
+ return NULL;
+ }
- loc.parent = inode_ref (parent);
- gf_uuid_copy (loc.pargfid, parent->gfid);
- loc.name = name;
- loc.inode = inode_ref (inode);
+ loc.parent = inode_ref(parent);
+ gf_uuid_copy(loc.pargfid, parent->gfid);
+ loc.name = name;
+ loc.inode = inode_ref(inode);
- AFR_ONLIST (lookup_on, frame, afr_selfheal_discover_cbk, lookup, &loc,
- xattr_req);
+ AFR_ONLIST(lookup_on, frame, afr_selfheal_discover_cbk, lookup, &loc,
+ xattr_req);
- afr_replies_copy (replies, local->replies, priv->child_count);
+ afr_replies_copy(replies, local->replies, priv->child_count);
- loc_wipe (&loc);
- dict_unref (xattr_req);
+ loc_wipe(&loc);
+ dict_unref(xattr_req);
- return inode;
+ return inode;
}
-int
-afr_selfheal_unlocked_discover_on (call_frame_t *frame, inode_t *inode,
- uuid_t gfid, struct afr_reply *replies,
- unsigned char *discover_on)
+static int
+afr_set_multi_dom_lock_count_request(xlator_t *this, dict_t *dict)
{
- loc_t loc = {0, };
- dict_t *xattr_req = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ int ret = 0;
+ afr_private_t *priv = NULL;
+ char *key1 = NULL;
+ char *key2 = NULL;
- local = frame->local;
- priv = frame->this->private;
+ priv = this->private;
+ key1 = alloca0(strlen(GLUSTERFS_INODELK_DOM_PREFIX) + 2 +
+ strlen(this->name));
+ key2 = alloca0(strlen(GLUSTERFS_INODELK_DOM_PREFIX) + 2 +
+ strlen(priv->sh_domain));
- xattr_req = dict_new ();
- if (!xattr_req)
- return -ENOMEM;
+ ret = dict_set_uint32(dict, GLUSTERFS_MULTIPLE_DOM_LK_CNT_REQUESTS, 1);
+ if (ret)
+ return ret;
- if (afr_xattr_req_prepare (frame->this, xattr_req) != 0) {
- dict_unref (xattr_req);
- return -ENOMEM;
- }
+ sprintf(key1, "%s:%s", GLUSTERFS_INODELK_DOM_PREFIX, this->name);
+ ret = dict_set_uint32(dict, key1, 1);
+ if (ret)
+ return ret;
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, gfid);
+ sprintf(key2, "%s:%s", GLUSTERFS_INODELK_DOM_PREFIX, priv->sh_domain);
+ ret = dict_set_uint32(dict, key2, 1);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+int
+afr_selfheal_unlocked_discover_on(call_frame_t *frame, inode_t *inode,
+ uuid_t gfid, struct afr_reply *replies,
+ unsigned char *discover_on, dict_t *dict)
+{
+ loc_t loc = {
+ 0,
+ };
+ dict_t *xattr_req = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ local = frame->local;
+ priv = frame->this->private;
+
+ xattr_req = dict_new();
+ if (!xattr_req)
+ return -ENOMEM;
+ if (dict)
+ dict_copy(dict, xattr_req);
+
+ if (afr_xattr_req_prepare(frame->this, xattr_req) != 0) {
+ dict_unref(xattr_req);
+ return -ENOMEM;
+ }
+
+ if (afr_set_multi_dom_lock_count_request(frame->this, xattr_req)) {
+ dict_unref(xattr_req);
+ return -1;
+ }
- AFR_ONLIST (discover_on, frame, afr_selfheal_discover_cbk, lookup, &loc,
- xattr_req);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, gfid);
- afr_replies_copy (replies, local->replies, priv->child_count);
+ AFR_ONLIST(discover_on, frame, afr_selfheal_discover_cbk, lookup, &loc,
+ xattr_req);
- loc_wipe (&loc);
- dict_unref (xattr_req);
+ afr_replies_copy(replies, local->replies, priv->child_count);
- return 0;
+ loc_wipe(&loc);
+ dict_unref(xattr_req);
+
+ return 0;
}
int
-afr_selfheal_unlocked_discover (call_frame_t *frame, inode_t *inode,
- uuid_t gfid, struct afr_reply *replies)
+afr_selfheal_unlocked_discover(call_frame_t *frame, inode_t *inode, uuid_t gfid,
+ struct afr_reply *replies)
{
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ dict_t *dict = NULL;
+
+ local = frame->local;
- priv = frame->this->private;
+ if (local->xattr_req)
+ dict = local->xattr_req;
- return afr_selfheal_unlocked_discover_on (frame, inode, gfid, replies,
- priv->child_up);
+ return afr_selfheal_unlocked_discover_on(frame, inode, gfid, replies,
+ local->child_up, dict);
}
unsigned int
-afr_success_count (struct afr_reply *replies, unsigned int count)
+afr_success_count(struct afr_reply *replies, unsigned int count)
{
- int i = 0;
- unsigned int success = 0;
+ int i = 0;
+ unsigned int success = 0;
- for (i = 0; i < count; i++)
- if (replies[i].valid && replies[i].op_ret == 0)
- success++;
- return success;
+ for (i = 0; i < count; i++)
+ if (replies[i].valid && replies[i].op_ret == 0)
+ success++;
+ return success;
}
int
-afr_selfheal_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+afr_selfheal_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- afr_local_t *local = NULL;
- int i = 0;
+ afr_local_t *local = NULL;
+ int i = 0;
- local = frame->local;
- i = (long) cookie;
+ local = frame->local;
+ i = (long)cookie;
- local->replies[i].valid = 1;
- local->replies[i].op_ret = op_ret;
- local->replies[i].op_errno = op_errno;
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
- syncbarrier_wake (&local->barrier);
+ syncbarrier_wake(&local->barrier);
- return 0;
+ return 0;
}
-
int
-afr_locked_fill (call_frame_t *frame, xlator_t *this,
- unsigned char *locked_on)
+afr_locked_fill(call_frame_t *frame, xlator_t *this, unsigned char *locked_on)
{
- int i = 0;
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int count = 0;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int count = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (local->replies[i].valid && local->replies[i].op_ret == 0) {
- locked_on[i] = 1;
- count++;
- } else {
- locked_on[i] = 0;
- }
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].valid && local->replies[i].op_ret == 0) {
+ locked_on[i] = 1;
+ count++;
+ } else {
+ locked_on[i] = 0;
+ }
+ }
- return count;
+ return count;
}
-
int
-afr_selfheal_tryinodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, off_t off, size_t size,
- unsigned char *locked_on)
+afr_selfheal_tryinodelk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ unsigned char *locked_on)
{
- loc_t loc = {0,};
- struct gf_flock flock = {0, };
+ loc_t loc = {
+ 0,
+ };
+ struct gf_flock flock = {
+ 0,
+ };
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- flock.l_type = F_WRLCK;
- flock.l_start = off;
- flock.l_len = size;
+ flock.l_type = F_WRLCK;
+ flock.l_start = off;
+ flock.l_len = size;
- AFR_ONALL (frame, afr_selfheal_lock_cbk, inodelk, dom,
- &loc, F_SETLK, &flock, NULL);
+ AFR_ONALL(frame, afr_selfheal_lock_cbk, inodelk, dom, &loc, F_SETLK, &flock,
+ NULL);
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return afr_locked_fill (frame, this, locked_on);
+ return afr_locked_fill(frame, this, locked_on);
}
-
int
-afr_selfheal_inodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, off_t off, size_t size,
- unsigned char *locked_on)
+afr_selfheal_inodelk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ unsigned char *locked_on)
{
- loc_t loc = {0,};
- struct gf_flock flock = {0, };
- afr_local_t *local = NULL;
- int i = 0;
- afr_private_t *priv = NULL;
+ loc_t loc = {
+ 0,
+ };
+ struct gf_flock flock = {
+ 0,
+ };
+ afr_local_t *local = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- flock.l_type = F_WRLCK;
- flock.l_start = off;
- flock.l_len = size;
+ flock.l_type = F_WRLCK;
+ flock.l_start = off;
+ flock.l_len = size;
- AFR_ONALL (frame, afr_selfheal_lock_cbk, inodelk, dom,
- &loc, F_SETLK, &flock, NULL);
+ AFR_ONALL(frame, afr_selfheal_lock_cbk, inodelk, dom, &loc, F_SETLK, &flock,
+ NULL);
- for (i = 0; i < priv->child_count; i++) {
- if (local->replies[i].op_ret == -1 &&
- local->replies[i].op_errno == EAGAIN) {
- afr_locked_fill (frame, this, locked_on);
- afr_selfheal_uninodelk (frame, this, inode, dom, off,
- size, locked_on);
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].op_ret == -1 &&
+ local->replies[i].op_errno == EAGAIN) {
+ afr_locked_fill(frame, this, locked_on);
+ afr_selfheal_uninodelk(frame, this, inode, dom, off, size,
+ locked_on);
- AFR_SEQ (frame, afr_selfheal_lock_cbk, inodelk, dom,
- &loc, F_SETLKW, &flock, NULL);
- break;
- }
- }
+ AFR_SEQ(frame, afr_selfheal_lock_cbk, inodelk, dom, &loc, F_SETLKW,
+ &flock, NULL);
+ break;
+ }
+ }
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return afr_locked_fill (frame, this, locked_on);
+ return afr_locked_fill(frame, this, locked_on);
}
static void
-afr_get_lock_and_eagain_counts (afr_private_t *priv, struct afr_reply *replies,
- int *lock_count, int *eagain_count)
-{
- int i = 0;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
- if (replies[i].op_ret == 0) {
- (*lock_count)++;
- } else if (replies[i].op_ret == -1 &&
- replies[i].op_errno == EAGAIN) {
- (*eagain_count)++;
- }
- }
+afr_get_lock_and_eagain_counts(afr_private_t *priv, struct afr_reply *replies,
+ int *lock_count, int *eagain_count)
+{
+ int i = 0;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
+ if (replies[i].op_ret == 0) {
+ (*lock_count)++;
+ } else if (replies[i].op_ret == -1 && replies[i].op_errno == EAGAIN) {
+ (*eagain_count)++;
+ }
+ }
}
/*Do blocking locks if number of locks acquired is majority and there were some
* EAGAINs. Useful for odd-way replication*/
int
-afr_selfheal_tie_breaker_inodelk (call_frame_t *frame, xlator_t *this,
- inode_t *inode, char *dom, off_t off,
- size_t size, unsigned char *locked_on)
+afr_selfheal_tie_breaker_inodelk(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, char *dom, off_t off,
+ size_t size, unsigned char *locked_on)
{
- loc_t loc = {0,};
- struct gf_flock flock = {0, };
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int lock_count = 0;
- int eagain_count = 0;
+ loc_t loc = {
+ 0,
+ };
+ struct gf_flock flock = {
+ 0,
+ };
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int lock_count = 0;
+ int eagain_count = 0;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- flock.l_type = F_WRLCK;
- flock.l_start = off;
- flock.l_len = size;
+ flock.l_type = F_WRLCK;
+ flock.l_start = off;
+ flock.l_len = size;
- AFR_ONALL (frame, afr_selfheal_lock_cbk, inodelk, dom,
- &loc, F_SETLK, &flock, NULL);
+ AFR_ONALL(frame, afr_selfheal_lock_cbk, inodelk, dom, &loc, F_SETLK, &flock,
+ NULL);
- afr_get_lock_and_eagain_counts (priv, local->replies, &lock_count,
- &eagain_count);
+ afr_get_lock_and_eagain_counts(priv, local->replies, &lock_count,
+ &eagain_count);
- if (lock_count > priv->child_count/2 && eagain_count) {
- afr_locked_fill (frame, this, locked_on);
- afr_selfheal_uninodelk (frame, this, inode, dom, off,
- size, locked_on);
+ if (lock_count > priv->child_count / 2 && eagain_count) {
+ afr_locked_fill(frame, this, locked_on);
+ afr_selfheal_uninodelk(frame, this, inode, dom, off, size, locked_on);
- AFR_SEQ (frame, afr_selfheal_lock_cbk, inodelk, dom,
- &loc, F_SETLKW, &flock, NULL);
- }
+ AFR_SEQ(frame, afr_selfheal_lock_cbk, inodelk, dom, &loc, F_SETLKW,
+ &flock, NULL);
+ }
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return afr_locked_fill (frame, this, locked_on);
+ return afr_locked_fill(frame, this, locked_on);
}
int
-afr_selfheal_uninodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, off_t off, size_t size,
- const unsigned char *locked_on)
+afr_selfheal_uninodelk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ const unsigned char *locked_on)
{
- loc_t loc = {0,};
- struct gf_flock flock = {0, };
-
+ loc_t loc = {
+ 0,
+ };
+ struct gf_flock flock = {
+ 0,
+ };
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- flock.l_type = F_UNLCK;
- flock.l_start = off;
- flock.l_len = size;
+ flock.l_type = F_UNLCK;
+ flock.l_start = off;
+ flock.l_len = size;
- AFR_ONLIST (locked_on, frame, afr_selfheal_lock_cbk, inodelk,
- dom, &loc, F_SETLK, &flock, NULL);
+ AFR_ONLIST(locked_on, frame, afr_selfheal_lock_cbk, inodelk, dom, &loc,
+ F_SETLK, &flock, NULL);
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return 0;
+ return 0;
}
-
int
-afr_selfheal_tryentrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, const char *name, unsigned char *locked_on)
+afr_selfheal_tryentrylk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on)
{
- loc_t loc = {0,};
+ loc_t loc = {
+ 0,
+ };
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- AFR_ONALL (frame, afr_selfheal_lock_cbk, entrylk, dom,
- &loc, name, ENTRYLK_LOCK_NB, ENTRYLK_WRLCK, NULL);
+ AFR_ONALL(frame, afr_selfheal_lock_cbk, entrylk, dom, &loc, name,
+ ENTRYLK_LOCK_NB, ENTRYLK_WRLCK, NULL);
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return afr_locked_fill (frame, this, locked_on);
+ return afr_locked_fill(frame, this, locked_on);
}
-
int
-afr_selfheal_entrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, const char *name, unsigned char *locked_on)
+afr_selfheal_entrylk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on)
{
- loc_t loc = {0,};
- afr_local_t *local = NULL;
- int i = 0;
- afr_private_t *priv = NULL;
+ loc_t loc = {
+ 0,
+ };
+ afr_local_t *local = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- AFR_ONALL (frame, afr_selfheal_lock_cbk, entrylk, dom, &loc,
- name, ENTRYLK_LOCK_NB, ENTRYLK_WRLCK, NULL);
+ AFR_ONALL(frame, afr_selfheal_lock_cbk, entrylk, dom, &loc, name,
+ ENTRYLK_LOCK_NB, ENTRYLK_WRLCK, NULL);
- for (i = 0; i < priv->child_count; i++) {
- if (local->replies[i].op_ret == -1 &&
- local->replies[i].op_errno == EAGAIN) {
- afr_locked_fill (frame, this, locked_on);
- afr_selfheal_unentrylk (frame, this, inode, dom, name,
- locked_on, NULL);
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].op_ret == -1 &&
+ local->replies[i].op_errno == EAGAIN) {
+ afr_locked_fill(frame, this, locked_on);
+ afr_selfheal_unentrylk(frame, this, inode, dom, name, locked_on,
+ NULL);
- AFR_SEQ (frame, afr_selfheal_lock_cbk, entrylk, dom,
- &loc, name, ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL);
- break;
- }
- }
+ AFR_SEQ(frame, afr_selfheal_lock_cbk, entrylk, dom, &loc, name,
+ ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL);
+ break;
+ }
+ }
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return afr_locked_fill (frame, this, locked_on);
+ return afr_locked_fill(frame, this, locked_on);
}
int
-afr_selfheal_tie_breaker_entrylk (call_frame_t *frame, xlator_t *this,
- inode_t *inode, char *dom, const char *name,
- unsigned char *locked_on)
+afr_selfheal_tie_breaker_entrylk(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, char *dom, const char *name,
+ unsigned char *locked_on)
{
- loc_t loc = {0,};
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int lock_count = 0;
- int eagain_count = 0;
+ loc_t loc = {
+ 0,
+ };
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int lock_count = 0;
+ int eagain_count = 0;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- AFR_ONALL (frame, afr_selfheal_lock_cbk, entrylk, dom, &loc,
- name, ENTRYLK_LOCK_NB, ENTRYLK_WRLCK, NULL);
+ AFR_ONALL(frame, afr_selfheal_lock_cbk, entrylk, dom, &loc, name,
+ ENTRYLK_LOCK_NB, ENTRYLK_WRLCK, NULL);
- afr_get_lock_and_eagain_counts (priv, local->replies, &lock_count,
- &eagain_count);
+ afr_get_lock_and_eagain_counts(priv, local->replies, &lock_count,
+ &eagain_count);
- if (lock_count > priv->child_count/2 && eagain_count) {
- afr_locked_fill (frame, this, locked_on);
- afr_selfheal_unentrylk (frame, this, inode, dom, name,
- locked_on, NULL);
+ if (lock_count > priv->child_count / 2 && eagain_count) {
+ afr_locked_fill(frame, this, locked_on);
+ afr_selfheal_unentrylk(frame, this, inode, dom, name, locked_on, NULL);
- AFR_SEQ (frame, afr_selfheal_lock_cbk, entrylk, dom,
- &loc, name, ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL);
- }
+ AFR_SEQ(frame, afr_selfheal_lock_cbk, entrylk, dom, &loc, name,
+ ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL);
+ }
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return afr_locked_fill (frame, this, locked_on);
+ return afr_locked_fill(frame, this, locked_on);
}
-
int
-afr_selfheal_unentrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, const char *name, unsigned char *locked_on,
- dict_t *xdata)
-{
- loc_t loc = {0,};
-
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
-
- AFR_ONLIST (locked_on, frame, afr_selfheal_lock_cbk, entrylk,
- dom, &loc, name, ENTRYLK_UNLOCK, ENTRYLK_WRLCK, xdata);
-
- loc_wipe (&loc);
-
- return 0;
-}
-
-
-gf_boolean_t
-afr_is_pending_set (xlator_t *this, dict_t *xdata, int type)
+afr_selfheal_unentrylk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on,
+ dict_t *xdata)
{
- int idx = -1;
- afr_private_t *priv = NULL;
- void *pending_raw = NULL;
- int *pending_int = NULL;
- int i = 0;
-
- priv = this->private;
- idx = afr_index_for_transaction_type (type);
+ loc_t loc = {
+ 0,
+ };
- if (dict_get_ptr (xdata, AFR_DIRTY, &pending_raw) == 0) {
- if (pending_raw) {
- pending_int = pending_raw;
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
- if (ntoh32 (pending_int[idx]))
- return _gf_true;
- }
- }
+ AFR_ONLIST(locked_on, frame, afr_selfheal_lock_cbk, entrylk, dom, &loc,
+ name, ENTRYLK_UNLOCK, ENTRYLK_WRLCK, xdata);
- for (i = 0; i < priv->child_count; i++) {
- if (dict_get_ptr (xdata, priv->pending_key[i],
- &pending_raw))
- continue;
- if (!pending_raw)
- continue;
- pending_int = pending_raw;
+ loc_wipe(&loc);
- if (ntoh32 (pending_int[idx]))
- return _gf_true;
- }
-
- return _gf_false;
+ return 0;
}
-
gf_boolean_t
-afr_is_data_set (xlator_t *this, dict_t *xdata)
+afr_is_data_set(xlator_t *this, dict_t *xdata)
{
- return afr_is_pending_set (this, xdata, AFR_DATA_TRANSACTION);
+ return afr_is_pending_set(this, xdata, AFR_DATA_TRANSACTION);
}
gf_boolean_t
-afr_is_metadata_set (xlator_t *this, dict_t *xdata)
+afr_is_metadata_set(xlator_t *this, dict_t *xdata)
{
- return afr_is_pending_set (this, xdata, AFR_METADATA_TRANSACTION);
+ return afr_is_pending_set(this, xdata, AFR_METADATA_TRANSACTION);
}
gf_boolean_t
-afr_is_entry_set (xlator_t *this, dict_t *xdata)
+afr_is_entry_set(xlator_t *this, dict_t *xdata)
{
- return afr_is_pending_set (this, xdata, AFR_ENTRY_TRANSACTION);
+ return afr_is_pending_set(this, xdata, AFR_ENTRY_TRANSACTION);
}
/*
@@ -2246,317 +2278,310 @@ afr_is_entry_set (xlator_t *this, dict_t *xdata)
*/
int
-afr_selfheal_unlocked_inspect (call_frame_t *frame, xlator_t *this,
- uuid_t gfid, inode_t **link_inode,
- gf_boolean_t *data_selfheal,
- gf_boolean_t *metadata_selfheal,
- gf_boolean_t *entry_selfheal)
-{
- afr_private_t *priv = NULL;
- inode_t *inode = NULL;
- int i = 0;
- int valid_cnt = 0;
- struct iatt first = {0, };
- int first_idx = 0;
- struct afr_reply *replies = NULL;
- int ret = -1;
-
- priv = this->private;
-
- inode = afr_inode_find (this, gfid);
- if (!inode)
- goto out;
+afr_selfheal_unlocked_inspect(call_frame_t *frame, xlator_t *this, uuid_t gfid,
+ inode_t **link_inode, gf_boolean_t *data_selfheal,
+ gf_boolean_t *metadata_selfheal,
+ gf_boolean_t *entry_selfheal,
+ struct afr_reply *replies_dst)
+{
+ afr_private_t *priv = NULL;
+ inode_t *inode = NULL;
+ int i = 0;
+ int valid_cnt = 0;
+ struct iatt first = {
+ 0,
+ };
+ int first_idx = 0;
+ struct afr_reply *replies = NULL;
+ int ret = -1;
+
+ priv = this->private;
+
+ inode = afr_inode_find(this, gfid);
+ if (!inode)
+ goto out;
- replies = alloca0 (sizeof (*replies) * priv->child_count);
+ replies = alloca0(sizeof(*replies) * priv->child_count);
- ret = afr_selfheal_unlocked_discover (frame, inode, gfid, replies);
- if (ret)
- goto out;
+ ret = afr_selfheal_unlocked_discover(frame, inode, gfid, replies);
+ if (ret)
+ goto out;
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
- if (replies[i].op_ret == -1)
- continue;
-
- /* The data segment of the changelog can be non-zero to indicate
- * the directory needs a full heal. So the check below ensures
- * it's not a directory before setting the data_selfheal boolean.
- */
- if (data_selfheal && !IA_ISDIR (replies[i].poststat.ia_type) &&
- afr_is_data_set (this, replies[i].xdata))
- *data_selfheal = _gf_true;
-
- if (metadata_selfheal &&
- afr_is_metadata_set (this, replies[i].xdata))
- *metadata_selfheal = _gf_true;
-
- if (entry_selfheal && afr_is_entry_set (this, replies[i].xdata))
- *entry_selfheal = _gf_true;
-
- valid_cnt++;
- if (valid_cnt == 1) {
- first = replies[i].poststat;
- first_idx = i;
- continue;
- }
-
- if (!IA_EQUAL (first, replies[i].poststat, type)) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN,
- "TYPE mismatch %d vs %d on %s for gfid:%s",
- (int) first.ia_type,
- (int) replies[i].poststat.ia_type,
- priv->children[i]->name,
- uuid_utoa (replies[i].poststat.ia_gfid));
- gf_event (EVENT_AFR_SPLIT_BRAIN, "subvol=%s;"
- "type=file;gfid=%s;"
- "ia_type-%d=%s;ia_type-%d=%s",
- this->name,
- uuid_utoa (replies[i].poststat.ia_gfid),
- first_idx,
- gf_inode_type_to_str (first.ia_type), i,
- gf_inode_type_to_str (replies[i].poststat.ia_type));
- ret = -EIO;
- goto out;
- }
-
- if (!IA_EQUAL (first, replies[i].poststat, uid)) {
- gf_msg_debug (this->name, 0,
- "UID mismatch "
- "%d vs %d on %s for gfid:%s",
- (int) first.ia_uid,
- (int) replies[i].poststat.ia_uid,
- priv->children[i]->name,
- uuid_utoa (replies[i].poststat.ia_gfid));
-
- if (metadata_selfheal)
- *metadata_selfheal = _gf_true;
- }
-
- if (!IA_EQUAL (first, replies[i].poststat, gid)) {
- gf_msg_debug (this->name, 0,
- "GID mismatch "
- "%d vs %d on %s for gfid:%s",
- (int) first.ia_uid,
- (int) replies[i].poststat.ia_uid,
- priv->children[i]->name,
- uuid_utoa (replies[i].poststat.ia_gfid));
-
- if (metadata_selfheal)
- *metadata_selfheal = _gf_true;
- }
-
- if (!IA_EQUAL (first, replies[i].poststat, prot)) {
- gf_msg_debug (this->name, 0,
- "MODE mismatch "
- "%d vs %d on %s for gfid:%s",
- (int) st_mode_from_ia (first.ia_prot, 0),
- (int) st_mode_from_ia
- (replies[i].poststat.ia_prot, 0),
- priv->children[i]->name,
- uuid_utoa (replies[i].poststat.ia_gfid));
-
- if (metadata_selfheal)
- *metadata_selfheal = _gf_true;
- }
-
- if (IA_ISREG(first.ia_type) &&
- !IA_EQUAL (first, replies[i].poststat, size)) {
- gf_msg_debug (this->name, 0,
- "SIZE mismatch "
- "%lld vs %lld on %s for gfid:%s",
- (long long) first.ia_size,
- (long long) replies[i].poststat.ia_size,
- priv->children[i]->name,
- uuid_utoa (replies[i].poststat.ia_gfid));
-
- if (data_selfheal)
- *data_selfheal = _gf_true;
- }
- }
-
- if (valid_cnt > 0 && link_inode) {
- *link_inode = inode_link (inode, NULL, NULL, &first);
- if (!*link_inode) {
- ret = -EINVAL;
- goto out;
- }
- } else if (valid_cnt < 2) {
- ret = afr_check_stale_error (replies, priv);
- goto out;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
+ if (replies[i].op_ret == -1)
+ continue;
- ret = 0;
+ /* The data segment of the changelog can be non-zero to indicate
+ * the directory needs a full heal. So the check below ensures
+ * it's not a directory before setting the data_selfheal boolean.
+ */
+ if (data_selfheal && !IA_ISDIR(replies[i].poststat.ia_type) &&
+ afr_is_data_set(this, replies[i].xdata))
+ *data_selfheal = _gf_true;
+
+ if (metadata_selfheal && afr_is_metadata_set(this, replies[i].xdata))
+ *metadata_selfheal = _gf_true;
+
+ if (entry_selfheal && afr_is_entry_set(this, replies[i].xdata))
+ *entry_selfheal = _gf_true;
+
+ valid_cnt++;
+ if (valid_cnt == 1) {
+ first = replies[i].poststat;
+ first_idx = i;
+ continue;
+ }
+
+ if (!IA_EQUAL(first, replies[i].poststat, type)) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "TYPE mismatch %d vs %d on %s for gfid:%s",
+ (int)first.ia_type, (int)replies[i].poststat.ia_type,
+ priv->children[i]->name,
+ uuid_utoa(replies[i].poststat.ia_gfid));
+ gf_event(EVENT_AFR_SPLIT_BRAIN,
+ "client-pid=%d;"
+ "subvol=%s;"
+ "type=file;gfid=%s;"
+ "ia_type-%d=%s;ia_type-%d=%s",
+ this->ctx->cmd_args.client_pid, this->name,
+ uuid_utoa(replies[i].poststat.ia_gfid), first_idx,
+ gf_inode_type_to_str(first.ia_type), i,
+ gf_inode_type_to_str(replies[i].poststat.ia_type));
+ ret = -EIO;
+ goto out;
+ }
+
+ if (!IA_EQUAL(first, replies[i].poststat, uid)) {
+ gf_msg_debug(this->name, 0,
+ "UID mismatch "
+ "%d vs %d on %s for gfid:%s",
+ (int)first.ia_uid, (int)replies[i].poststat.ia_uid,
+ priv->children[i]->name,
+ uuid_utoa(replies[i].poststat.ia_gfid));
+
+ if (metadata_selfheal)
+ *metadata_selfheal = _gf_true;
+ }
+
+ if (!IA_EQUAL(first, replies[i].poststat, gid)) {
+ gf_msg_debug(this->name, 0,
+ "GID mismatch "
+ "%d vs %d on %s for gfid:%s",
+ (int)first.ia_uid, (int)replies[i].poststat.ia_uid,
+ priv->children[i]->name,
+ uuid_utoa(replies[i].poststat.ia_gfid));
+
+ if (metadata_selfheal)
+ *metadata_selfheal = _gf_true;
+ }
+
+ if (!IA_EQUAL(first, replies[i].poststat, prot)) {
+ gf_msg_debug(this->name, 0,
+ "MODE mismatch "
+ "%d vs %d on %s for gfid:%s",
+ (int)st_mode_from_ia(first.ia_prot, 0),
+ (int)st_mode_from_ia(replies[i].poststat.ia_prot, 0),
+ priv->children[i]->name,
+ uuid_utoa(replies[i].poststat.ia_gfid));
+
+ if (metadata_selfheal)
+ *metadata_selfheal = _gf_true;
+ }
+
+ if (IA_ISREG(first.ia_type) &&
+ !IA_EQUAL(first, replies[i].poststat, size)) {
+ gf_msg_debug(this->name, 0,
+ "SIZE mismatch "
+ "%lld vs %lld on %s for gfid:%s",
+ (long long)first.ia_size,
+ (long long)replies[i].poststat.ia_size,
+ priv->children[i]->name,
+ uuid_utoa(replies[i].poststat.ia_gfid));
+
+ if (data_selfheal)
+ *data_selfheal = _gf_true;
+ }
+ }
+
+ if (valid_cnt > 0 && link_inode) {
+ *link_inode = inode_link(inode, NULL, NULL, &first);
+ if (!*link_inode) {
+ ret = -EINVAL;
+ goto out;
+ }
+ } else if (valid_cnt < 2) {
+ ret = afr_check_stale_error(replies, priv);
+ goto out;
+ }
+
+ ret = 0;
out:
- if (inode)
- inode_unref (inode);
- if (replies)
- afr_replies_wipe (replies, priv->child_count);
+ if (replies && replies_dst)
+ afr_replies_copy(replies_dst, replies, priv->child_count);
+ if (inode)
+ inode_unref(inode);
+ if (replies)
+ afr_replies_wipe(replies, priv->child_count);
- return ret;
+ return ret;
}
-
inode_t *
-afr_inode_find (xlator_t *this, uuid_t gfid)
+afr_inode_find(xlator_t *this, uuid_t gfid)
{
- inode_table_t *table = NULL;
- inode_t *inode = NULL;
+ inode_table_t *table = NULL;
+ inode_t *inode = NULL;
- table = this->itable;
- if (!table)
- return NULL;
+ table = this->itable;
+ if (!table)
+ return NULL;
- inode = inode_find (table, gfid);
- if (inode)
- return inode;
+ inode = inode_find(table, gfid);
+ if (inode)
+ return inode;
- inode = inode_new (table);
- if (!inode)
- return NULL;
+ inode = inode_new(table);
+ if (!inode)
+ return NULL;
- gf_uuid_copy (inode->gfid, gfid);
+ gf_uuid_copy(inode->gfid, gfid);
- return inode;
+ return inode;
}
-
call_frame_t *
-afr_frame_create (xlator_t *this, int32_t *op_errno)
+afr_frame_create(xlator_t *this, int32_t *op_errno)
{
- call_frame_t *frame = NULL;
- afr_local_t *local = NULL;
- pid_t pid = GF_CLIENT_PID_SELF_HEALD;
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ pid_t pid = GF_CLIENT_PID_SELF_HEALD;
- frame = create_frame (this, this->ctx->pool);
- if (!frame)
- return NULL;
+ frame = create_frame(this, this->ctx->pool);
+ if (!frame) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ return NULL;
+ }
- local = AFR_FRAME_INIT (frame, (*op_errno));
- if (!local) {
- STACK_DESTROY (frame->root);
- return NULL;
- }
+ local = AFR_FRAME_INIT(frame, (*op_errno));
+ if (!local) {
+ STACK_DESTROY(frame->root);
+ return NULL;
+ }
- syncopctx_setfspid (&pid);
+ syncopctx_setfspid(&pid);
- frame->root->pid = pid;
+ frame->root->pid = pid;
- afr_set_lk_owner (frame, this, frame->root);
+ afr_set_lk_owner(frame, this, frame->root);
- return frame;
+ return frame;
}
int
-afr_selfheal_newentry_mark (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int source, struct afr_reply *replies,
- unsigned char *sources, unsigned char *newentry)
+afr_selfheal_newentry_mark(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int source, struct afr_reply *replies,
+ unsigned char *sources, unsigned char *newentry)
{
- int ret = 0;
- int i = 0;
- afr_private_t *priv = NULL;
- dict_t *xattr = NULL;
- int **changelog = NULL;
+ int ret = 0;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ dict_t *xattr = NULL;
+ int **changelog = NULL;
- priv = this->private;
+ priv = this->private;
- gf_uuid_copy (inode->gfid, replies[source].poststat.ia_gfid);
+ gf_uuid_copy(inode->gfid, replies[source].poststat.ia_gfid);
- xattr = dict_new();
- if (!xattr)
- return -ENOMEM;
+ xattr = dict_new();
+ if (!xattr)
+ return -ENOMEM;
- changelog = afr_mark_pending_changelog (priv, newentry, xattr,
- replies[source].poststat.ia_type);
+ changelog = afr_mark_pending_changelog(priv, newentry, xattr,
+ replies[source].poststat.ia_type);
- if (!changelog) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!changelog) {
+ ret = -ENOMEM;
+ goto out;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- ret |= afr_selfheal_post_op (frame, this, inode, i, xattr,
- NULL);
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ ret |= afr_selfheal_post_op(frame, this, inode, i, xattr, NULL);
+ }
out:
- if (changelog)
- afr_matrix_cleanup (changelog, priv->child_count);
- if (xattr)
- dict_unref (xattr);
- return ret;
+ if (changelog)
+ afr_matrix_cleanup(changelog, priv->child_count);
+ if (xattr)
+ dict_unref(xattr);
+ return ret;
}
int
-afr_selfheal_do (call_frame_t *frame, xlator_t *this, uuid_t gfid)
-{
- int ret = -1;
- int entry_ret = 1;
- int metadata_ret = 1;
- int data_ret = 1;
- int or_ret = 0;
- inode_t *inode = NULL;
- fd_t *fd = NULL;
- gf_boolean_t data_selfheal = _gf_false;
- gf_boolean_t metadata_selfheal = _gf_false;
- gf_boolean_t entry_selfheal = _gf_false;
- afr_private_t *priv = NULL;
- gf_boolean_t dataheal_enabled = _gf_false;
-
- priv = this->private;
-
- ret = gf_string2boolean (priv->data_self_heal, &dataheal_enabled);
- if (ret)
- goto out;
-
- ret = afr_selfheal_unlocked_inspect (frame, this, gfid, &inode,
- &data_selfheal,
- &metadata_selfheal,
- &entry_selfheal);
- if (ret)
- goto out;
+afr_selfheal_do(call_frame_t *frame, xlator_t *this, uuid_t gfid)
+{
+ int ret = -1;
+ int entry_ret = 1;
+ int metadata_ret = 1;
+ int data_ret = 1;
+ int or_ret = 0;
+ inode_t *inode = NULL;
+ fd_t *fd = NULL;
+ gf_boolean_t data_selfheal = _gf_false;
+ gf_boolean_t metadata_selfheal = _gf_false;
+ gf_boolean_t entry_selfheal = _gf_false;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+
+ ret = afr_selfheal_unlocked_inspect(frame, this, gfid, &inode,
+ &data_selfheal, &metadata_selfheal,
+ &entry_selfheal, NULL);
+ if (ret)
+ goto out;
- if (!(data_selfheal || metadata_selfheal || entry_selfheal)) {
- ret = 2;
- goto out;
- }
+ if (!(data_selfheal || metadata_selfheal || entry_selfheal)) {
+ ret = 2;
+ goto out;
+ }
- if (inode->ia_type == IA_IFREG) {
- ret = afr_selfheal_data_open (this, inode, &fd);
- if (!fd) {
- ret = -EIO;
- goto out;
- }
+ if (inode->ia_type == IA_IFREG) {
+ ret = afr_selfheal_data_open(this, inode, &fd);
+ if (!fd) {
+ ret = -EIO;
+ goto out;
}
+ }
- if (data_selfheal && dataheal_enabled)
- data_ret = afr_selfheal_data (frame, this, fd);
+ if (data_selfheal && priv->data_self_heal)
+ data_ret = afr_selfheal_data(frame, this, fd);
- if (metadata_selfheal && priv->metadata_self_heal)
- metadata_ret = afr_selfheal_metadata (frame, this, inode);
+ if (metadata_selfheal && priv->metadata_self_heal)
+ metadata_ret = afr_selfheal_metadata(frame, this, inode);
- if (entry_selfheal && priv->entry_self_heal)
- entry_ret = afr_selfheal_entry (frame, this, inode);
+ if (entry_selfheal && priv->entry_self_heal)
+ entry_ret = afr_selfheal_entry(frame, this, inode);
- or_ret = (data_ret | metadata_ret | entry_ret);
+ or_ret = (data_ret | metadata_ret | entry_ret);
- if (data_ret == -EIO || metadata_ret == -EIO || entry_ret == -EIO)
- ret = -EIO;
- else if (data_ret == 1 && metadata_ret == 1 && entry_ret == 1)
- ret = 1;
- else if (or_ret < 0)
- ret = or_ret;
- else
- ret = 0;
+ if (data_ret == -EIO || metadata_ret == -EIO || entry_ret == -EIO)
+ ret = -EIO;
+ else if (data_ret == 1 && metadata_ret == 1 && entry_ret == 1)
+ ret = 1;
+ else if (or_ret < 0)
+ ret = or_ret;
+ else
+ ret = 0;
out:
- if (inode)
- inode_unref (inode);
- if (fd)
- fd_unref (fd);
- return ret;
+ if (inode)
+ inode_unref(inode);
+ if (fd)
+ fd_unref(fd);
+ return ret;
}
/*
* This is the entry point for healing a given GFID. The return values for this
@@ -2568,160 +2593,342 @@ out:
*/
int
-afr_selfheal (xlator_t *this, uuid_t gfid)
+afr_selfheal(xlator_t *this, uuid_t gfid)
{
- int ret = -1;
- call_frame_t *frame = NULL;
- afr_local_t *local = NULL;
+ int ret = -1;
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
- frame = afr_frame_create (this, NULL);
- if (!frame)
- return ret;
+ frame = afr_frame_create(this, NULL);
+ if (!frame)
+ return ret;
- local = frame->local;
- local->xdata_req = dict_new();
+ local = frame->local;
+ local->xdata_req = dict_new();
- ret = afr_selfheal_do (frame, this, gfid);
+ ret = afr_selfheal_do(frame, this, gfid);
- if (frame)
- AFR_STACK_DESTROY (frame);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
- return ret;
+ return ret;
}
-afr_local_t*
-__afr_dequeue_heals (afr_private_t *priv)
+afr_local_t *
+__afr_dequeue_heals(afr_private_t *priv)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- if (list_empty (&priv->heal_waiting))
- goto none;
- if ((priv->background_self_heal_count > 0) &&
- (priv->healers >= priv->background_self_heal_count))
- goto none;
+ if (list_empty(&priv->heal_waiting))
+ goto none;
+ if ((priv->background_self_heal_count > 0) &&
+ (priv->healers >= priv->background_self_heal_count))
+ goto none;
- local = list_entry (priv->heal_waiting.next, afr_local_t, healer);
- priv->heal_waiters--;
- GF_ASSERT (priv->heal_waiters >= 0);
- list_del_init(&local->healer);
- list_add(&local->healer, &priv->healing);
- priv->healers++;
- return local;
+ local = list_entry(priv->heal_waiting.next, afr_local_t, healer);
+ priv->heal_waiters--;
+ GF_ASSERT(priv->heal_waiters >= 0);
+ list_del_init(&local->healer);
+ list_add(&local->healer, &priv->healing);
+ priv->healers++;
+ return local;
none:
- gf_msg_debug (THIS->name, 0, "Nothing dequeued. "
- "Num healers: %d, Num Waiters: %d",
- priv->healers, priv->heal_waiters);
- return NULL;
+ gf_msg_debug(THIS->name, 0,
+ "Nothing dequeued. "
+ "Num healers: %d, Num Waiters: %d",
+ priv->healers, priv->heal_waiters);
+ return NULL;
}
int
-afr_refresh_selfheal_wrap (void *opaque)
+afr_refresh_selfheal_wrap(void *opaque)
{
- call_frame_t *heal_frame = opaque;
- afr_local_t *local = heal_frame->local;
- int ret = 0;
+ call_frame_t *heal_frame = opaque;
+ afr_local_t *local = heal_frame->local;
+ int ret = 0;
- ret = afr_selfheal (heal_frame->this, local->refreshinode->gfid);
- return ret;
+ ret = afr_selfheal(heal_frame->this, local->refreshinode->gfid);
+ return ret;
}
int
-afr_refresh_heal_done (int ret, call_frame_t *frame, void *opaque)
-{
- call_frame_t *heal_frame = opaque;
- xlator_t *this = heal_frame->this;
- afr_private_t *priv = this->private;
- afr_local_t *local = heal_frame->local;
-
- LOCK (&priv->lock);
- {
- list_del_init(&local->healer);
- priv->healers--;
- GF_ASSERT (priv->healers >= 0);
- local = __afr_dequeue_heals (priv);
- }
- UNLOCK (&priv->lock);
+afr_refresh_heal_done(int ret, call_frame_t *frame, void *opaque)
+{
+ call_frame_t *heal_frame = opaque;
+ xlator_t *this = heal_frame->this;
+ afr_private_t *priv = this->private;
+ afr_local_t *local = heal_frame->local;
- AFR_STACK_DESTROY (heal_frame);
+ LOCK(&priv->lock);
+ {
+ list_del_init(&local->healer);
+ priv->healers--;
+ GF_ASSERT(priv->healers >= 0);
+ local = __afr_dequeue_heals(priv);
+ }
+ UNLOCK(&priv->lock);
- if (local)
- afr_heal_synctask (this, local);
- return 0;
+ AFR_STACK_DESTROY(heal_frame);
+ if (local)
+ afr_heal_synctask(this, local);
+ return 0;
}
void
-afr_heal_synctask (xlator_t *this, afr_local_t *local)
+afr_heal_synctask(xlator_t *this, afr_local_t *local)
{
- int ret = 0;
- call_frame_t *heal_frame = NULL;
+ int ret = 0;
+ call_frame_t *heal_frame = NULL;
- heal_frame = local->heal_frame;
- ret = synctask_new (this->ctx->env, afr_refresh_selfheal_wrap,
- afr_refresh_heal_done, heal_frame, heal_frame);
- if (ret < 0)
- /* Heal not launched. Will be queued when the next inode
- * refresh happens and shd hasn't healed it yet. */
- afr_refresh_heal_done (ret, heal_frame, heal_frame);
+ heal_frame = local->heal_frame;
+ ret = synctask_new(this->ctx->env, afr_refresh_selfheal_wrap,
+ afr_refresh_heal_done, heal_frame, heal_frame);
+ if (ret < 0)
+ /* Heal not launched. Will be queued when the next inode
+ * refresh happens and shd hasn't healed it yet. */
+ afr_refresh_heal_done(ret, heal_frame, heal_frame);
}
gf_boolean_t
-afr_throttled_selfheal (call_frame_t *frame, xlator_t *this)
-{
- gf_boolean_t can_heal = _gf_true;
- afr_private_t *priv = this->private;
- afr_local_t *local = frame->local;
-
- LOCK (&priv->lock);
- {
- if ((priv->background_self_heal_count > 0) &&
- (priv->heal_wait_qlen + priv->background_self_heal_count) >
- (priv->heal_waiters + priv->healers)) {
- list_add_tail(&local->healer, &priv->heal_waiting);
- priv->heal_waiters++;
- local = __afr_dequeue_heals (priv);
- } else {
- can_heal = _gf_false;
- }
- }
- UNLOCK (&priv->lock);
-
- if (can_heal) {
- if (local)
- afr_heal_synctask (this, local);
- else
- gf_msg_debug (this->name, 0, "Max number of heals are "
- "pending, background self-heal rejected.");
+afr_throttled_selfheal(call_frame_t *frame, xlator_t *this)
+{
+ gf_boolean_t can_heal = _gf_true;
+ afr_private_t *priv = this->private;
+ afr_local_t *local = frame->local;
+
+ LOCK(&priv->lock);
+ {
+ if ((priv->background_self_heal_count > 0) &&
+ (priv->heal_wait_qlen + priv->background_self_heal_count) >
+ (priv->heal_waiters + priv->healers)) {
+ list_add_tail(&local->healer, &priv->heal_waiting);
+ priv->heal_waiters++;
+ local = __afr_dequeue_heals(priv);
+ } else {
+ can_heal = _gf_false;
}
+ }
+ UNLOCK(&priv->lock);
+
+ if (can_heal) {
+ if (local)
+ afr_heal_synctask(this, local);
+ else
+ gf_msg_debug(this->name, 0,
+ "Max number of heals are "
+ "pending, background self-heal rejected.");
+ }
- return can_heal;
+ return can_heal;
}
int
-afr_choose_source_by_policy (afr_private_t *priv, unsigned char *sources,
- afr_transaction_type type)
+afr_choose_source_by_policy(afr_private_t *priv, unsigned char *sources,
+ afr_transaction_type type)
{
- int source = -1;
- int i = 0;
+ int source = -1;
+ int i = 0;
- /* Give preference to local child to save on bandwidth */
- for (i = 0; i < priv->child_count; i++) {
- if (priv->local[i] && sources[i]) {
- if ((type == AFR_DATA_TRANSACTION) &&
- AFR_IS_ARBITER_BRICK (priv, i))
- continue;
+ /* Give preference to local child to save on bandwidth */
+ for (i = 0; i < priv->child_count; i++) {
+ if (priv->local[i] && sources[i]) {
+ if ((type == AFR_DATA_TRANSACTION) && AFR_IS_ARBITER_BRICK(priv, i))
+ continue;
- source = i;
- goto out;
- }
+ source = i;
+ goto out;
}
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (sources[i]) {
- source = i;
- goto out;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i]) {
+ source = i;
+ goto out;
}
+ }
out:
- return source;
+ return source;
+}
+
+static int
+afr_anon_inode_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ afr_local_t *local = frame->local;
+ int i = (long)cookie;
+
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
+ if (op_ret == 0) {
+ local->op_ret = 0;
+ local->replies[i].poststat = *buf;
+ local->replies[i].preparent = *preparent;
+ local->replies[i].postparent = *postparent;
+ }
+ if (xdata) {
+ local->replies[i].xdata = dict_ref(xdata);
+ }
+
+ syncbarrier_wake(&local->barrier);
+ return 0;
+}
+
+int
+afr_anon_inode_create(xlator_t *this, int child, inode_t **linked_inode)
+{
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = this->private;
+ unsigned char *mkdir_on = alloca0(priv->child_count);
+ unsigned char *lookup_on = alloca0(priv->child_count);
+ loc_t loc = {0};
+ int32_t op_errno = 0;
+ int32_t child_op_errno = 0;
+ struct iatt iatt = {0};
+ dict_t *xdata = NULL;
+ uuid_t anon_inode_gfid = {0};
+ int mkdir_count = 0;
+ int i = 0;
+
+ /*Try to mkdir everywhere and return success if the dir exists on 'child'
+ */
+
+ if (!priv->use_anon_inode) {
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ frame = afr_frame_create(this, &op_errno);
+ if (op_errno) {
+ goto out;
+ }
+ local = frame->local;
+ if (!local->child_up[child]) {
+ /*Other bricks may need mkdir so don't error out yet*/
+ child_op_errno = ENOTCONN;
+ }
+ gf_uuid_parse(priv->anon_gfid_str, anon_inode_gfid);
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->child_up[i])
+ continue;
+
+ if (priv->anon_inode[i]) {
+ mkdir_on[i] = 0;
+ } else {
+ mkdir_on[i] = 1;
+ mkdir_count++;
+ }
+ }
+
+ if (mkdir_count == 0) {
+ *linked_inode = inode_find(this->itable, anon_inode_gfid);
+ if (*linked_inode) {
+ op_errno = 0;
+ goto out;
+ }
+ }
+
+ loc.parent = inode_ref(this->itable->root);
+ loc.name = priv->anon_inode_name;
+ loc.inode = inode_new(this->itable);
+ if (!loc.inode) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ xdata = dict_new();
+ if (!xdata) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ op_errno = -dict_set_gfuuid(xdata, "gfid-req", anon_inode_gfid, _gf_true);
+ if (op_errno) {
+ goto out;
+ }
+
+ if (mkdir_count == 0) {
+ memcpy(lookup_on, local->child_up, priv->child_count);
+ goto lookup;
+ }
+
+ AFR_ONLIST(mkdir_on, frame, afr_anon_inode_mkdir_cbk, mkdir, &loc, 0755, 0,
+ xdata);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!mkdir_on[i]) {
+ continue;
+ }
+
+ if (local->replies[i].op_ret == 0) {
+ priv->anon_inode[i] = 1;
+ iatt = local->replies[i].poststat;
+ } else if (local->replies[i].op_ret < 0 &&
+ local->replies[i].op_errno == EEXIST) {
+ lookup_on[i] = 1;
+ } else if (i == child) {
+ child_op_errno = local->replies[i].op_errno;
+ }
+ }
+
+ if (AFR_COUNT(lookup_on, priv->child_count) == 0) {
+ goto link;
+ }
+
+lookup:
+ AFR_ONLIST(lookup_on, frame, afr_selfheal_discover_cbk, lookup, &loc,
+ xdata);
+ for (i = 0; i < priv->child_count; i++) {
+ if (!lookup_on[i]) {
+ continue;
+ }
+
+ if (local->replies[i].op_ret == 0) {
+ if (gf_uuid_compare(anon_inode_gfid,
+ local->replies[i].poststat.ia_gfid) == 0) {
+ priv->anon_inode[i] = 1;
+ iatt = local->replies[i].poststat;
+ } else {
+ if (i == child)
+ child_op_errno = EINVAL;
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_DATA,
+ "%s has gfid: %s", priv->anon_inode_name,
+ uuid_utoa(local->replies[i].poststat.ia_gfid));
+ }
+ } else if (i == child) {
+ child_op_errno = local->replies[i].op_errno;
+ }
+ }
+link:
+ if (!gf_uuid_is_null(iatt.ia_gfid)) {
+ *linked_inode = inode_link(loc.inode, loc.parent, loc.name, &iatt);
+ if (*linked_inode) {
+ op_errno = 0;
+ inode_lookup(*linked_inode);
+ } else {
+ op_errno = ENOMEM;
+ }
+ goto out;
+ }
+
+out:
+ if (xdata)
+ dict_unref(xdata);
+ loc_wipe(&loc);
+ /*child_op_errno takes precedence*/
+ if (child_op_errno == 0) {
+ child_op_errno = op_errno;
+ }
+
+ if (child_op_errno && *linked_inode) {
+ inode_unref(*linked_inode);
+ *linked_inode = NULL;
+ }
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ return -child_op_errno;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c
index c83ef0b7e30..37bcc2b3f9e 100644
--- a/xlators/cluster/afr/src/afr-self-heal-data.c
+++ b/xlators/cluster/afr/src/afr-self-heal-data.c
@@ -8,605 +8,592 @@
cases as published by the Free Software Foundation.
*/
-
#include "afr.h"
#include "afr-self-heal.h"
-#include "byte-order.h"
+#include <glusterfs/byte-order.h>
#include "protocol-common.h"
#include "afr-messages.h"
-#include "events.h"
-
-enum {
- AFR_SELFHEAL_DATA_FULL = 0,
- AFR_SELFHEAL_DATA_DIFF,
-};
-
+#include <glusterfs/events.h>
#define HAS_HOLES(i) ((i->ia_blocks * 512) < (i->ia_size))
static int
-__checksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, uint32_t weak, uint8_t *strong,
- dict_t *xdata)
+__checksum_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, uint32_t weak, uint8_t *strong, dict_t *xdata)
{
- afr_local_t *local = NULL;
- struct afr_reply *replies = NULL;
- int i = (long) cookie;
-
- local = frame->local;
- replies = local->replies;
-
- replies[i].valid = 1;
- replies[i].op_ret = op_ret;
- replies[i].op_errno = op_errno;
- if (xdata) {
- replies[i].buf_has_zeroes = dict_get_str_boolean (xdata,
- "buf-has-zeroes", _gf_false);
- replies[i].fips_mode_rchecksum = dict_get_str_boolean (xdata,
- "fips-mode-rchecksum", _gf_false);
- }
- if (strong) {
- if (replies[i].fips_mode_rchecksum) {
- memcpy (local->replies[i].checksum, strong,
- SHA256_DIGEST_LENGTH);
- } else {
- memcpy (local->replies[i].checksum, strong,
- MD5_DIGEST_LENGTH);
- }
+ afr_local_t *local = NULL;
+ struct afr_reply *replies = NULL;
+ int i = (long)cookie;
+
+ local = frame->local;
+ replies = local->replies;
+
+ replies[i].valid = 1;
+ replies[i].op_ret = op_ret;
+ replies[i].op_errno = op_errno;
+ if (xdata) {
+ replies[i].buf_has_zeroes = dict_get_str_boolean(
+ xdata, "buf-has-zeroes", _gf_false);
+ replies[i].fips_mode_rchecksum = dict_get_str_boolean(
+ xdata, "fips-mode-rchecksum", _gf_false);
+ }
+ if (strong) {
+ if (replies[i].fips_mode_rchecksum) {
+ memcpy(local->replies[i].checksum, strong, SHA256_DIGEST_LENGTH);
+ } else {
+ memcpy(local->replies[i].checksum, strong, MD5_DIGEST_LENGTH);
}
+ }
- syncbarrier_wake (&local->barrier);
- return 0;
+ syncbarrier_wake(&local->barrier);
+ return 0;
}
static gf_boolean_t
-__afr_can_skip_data_block_heal (call_frame_t *frame, xlator_t *this, fd_t *fd,
- int source, unsigned char *healed_sinks,
- off_t offset, size_t size,
- struct iatt *poststat)
+__afr_can_skip_data_block_heal(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ int source, unsigned char *healed_sinks,
+ off_t offset, size_t size, struct iatt *poststat)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- unsigned char *wind_subvols = NULL;
- gf_boolean_t checksum_match = _gf_true;
- struct afr_reply *replies = NULL;
- dict_t *xdata = NULL;
- int i = 0;
-
- priv = this->private;
- local = frame->local;
- replies = local->replies;
-
- xdata = dict_new();
- if (!xdata)
- goto out;
- if (dict_set_int32 (xdata, "check-zero-filled", 1)) {
- dict_unref (xdata);
- goto out;
- }
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ unsigned char *wind_subvols = NULL;
+ gf_boolean_t checksum_match = _gf_true;
+ struct afr_reply *replies = NULL;
+ dict_t *xdata = NULL;
+ int i = 0;
+
+ priv = this->private;
+ local = frame->local;
+ replies = local->replies;
+
+ xdata = dict_new();
+ if (!xdata)
+ goto out;
+ if (dict_set_int32_sizen(xdata, "check-zero-filled", 1)) {
+ dict_unref(xdata);
+ goto out;
+ }
+
+ wind_subvols = alloca0(priv->child_count);
+ for (i = 0; i < priv->child_count; i++) {
+ if (i == source || healed_sinks[i])
+ wind_subvols[i] = 1;
+ }
+
+ AFR_ONLIST(wind_subvols, frame, __checksum_cbk, rchecksum, fd, offset, size,
+ xdata);
+ if (xdata)
+ dict_unref(xdata);
+
+ if (!replies[source].valid || replies[source].op_ret != 0)
+ return _gf_false;
- wind_subvols = alloca0 (priv->child_count);
- for (i = 0; i < priv->child_count; i++) {
- if (i == source || healed_sinks[i])
- wind_subvols[i] = 1;
- }
-
- AFR_ONLIST (wind_subvols, frame, __checksum_cbk, rchecksum, fd,
- offset, size, xdata);
- if (xdata)
- dict_unref (xdata);
-
- if (!replies[source].valid || replies[source].op_ret != 0)
- return _gf_false;
-
- for (i = 0; i < priv->child_count; i++) {
- if (i == source)
- continue;
- if (replies[i].valid) {
- if (memcmp (replies[source].checksum,
- replies[i].checksum,
- replies[source].fips_mode_rchecksum ?
- SHA256_DIGEST_LENGTH : MD5_DIGEST_LENGTH)) {
- checksum_match = _gf_false;
- break;
- }
- }
- }
-
- if (checksum_match) {
- if (HAS_HOLES (poststat))
- return _gf_true;
-
- /* For non-sparse files, we might be better off writing the
- * zeroes to sinks to avoid mismatch of disk-usage in bricks. */
- if (local->replies[source].buf_has_zeroes)
- return _gf_false;
- else
- return _gf_true;
+ for (i = 0; i < priv->child_count; i++) {
+ if (i == source)
+ continue;
+ if (replies[i].valid) {
+ if (memcmp(replies[source].checksum, replies[i].checksum,
+ replies[source].fips_mode_rchecksum
+ ? SHA256_DIGEST_LENGTH
+ : MD5_DIGEST_LENGTH)) {
+ checksum_match = _gf_false;
+ break;
+ }
}
+ }
+
+ if (checksum_match) {
+ if (HAS_HOLES(poststat))
+ return _gf_true;
+
+ /* For non-sparse files, we might be better off writing the
+ * zeroes to sinks to avoid mismatch of disk-usage in bricks. */
+ if (local->replies[source].buf_has_zeroes)
+ return _gf_false;
+ else
+ return _gf_true;
+ }
out:
- return _gf_false;
+ return _gf_false;
}
-
static gf_boolean_t
-__afr_is_sink_zero_filled (xlator_t *this, fd_t *fd, size_t size,
- off_t offset, int sink)
+__afr_is_sink_zero_filled(xlator_t *this, fd_t *fd, size_t size, off_t offset,
+ int sink)
{
- afr_private_t *priv = NULL;
- struct iobref *iobref = NULL;
- struct iovec *iovec = NULL;
- int count = 0;
- int ret = 0;
- gf_boolean_t zero_filled = _gf_false;
-
- priv = this->private;
- ret = syncop_readv (priv->children[sink], fd, size, offset, 0, &iovec,
- &count, &iobref, NULL, NULL, NULL);
- if (ret < 0)
- goto out;
- ret = iov_0filled (iovec, count);
- if (!ret)
- zero_filled = _gf_true;
+ afr_private_t *priv = NULL;
+ struct iobref *iobref = NULL;
+ struct iovec *iovec = NULL;
+ int count = 0;
+ int ret = 0;
+ gf_boolean_t zero_filled = _gf_false;
+
+ priv = this->private;
+ ret = syncop_readv(priv->children[sink], fd, size, offset, 0, &iovec,
+ &count, &iobref, NULL, NULL, NULL);
+ if (ret < 0)
+ goto out;
+ ret = iov_0filled(iovec, count);
+ if (!ret)
+ zero_filled = _gf_true;
out:
- if (iovec)
- GF_FREE (iovec);
- if (iobref)
- iobref_unref (iobref);
- return zero_filled;
+ if (iovec)
+ GF_FREE(iovec);
+ if (iobref)
+ iobref_unref(iobref);
+ return zero_filled;
}
static int
-__afr_selfheal_data_read_write (call_frame_t *frame, xlator_t *this, fd_t *fd,
- int source, unsigned char *healed_sinks,
- off_t offset, size_t size,
- struct afr_reply *replies, int type)
+__afr_selfheal_data_read_write(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ int source, unsigned char *healed_sinks,
+ off_t offset, size_t size,
+ struct afr_reply *replies, int type)
{
- struct iovec *iovec = NULL;
- int count = 0;
- struct iobref *iobref = NULL;
- int ret = 0;
- int i = 0;
- afr_private_t *priv = NULL;
-
- priv = this->private;
-
- ret = syncop_readv (priv->children[source], fd, size, offset, 0,
- &iovec, &count, &iobref, NULL, NULL, NULL);
- if (ret <= 0)
- return ret;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!healed_sinks[i])
- continue;
-
- /*
- * TODO: Use fiemap() and discard() to heal holes
- * in the future.
- *
- * For now,
- *
- * - if the source had any holes at all,
- * AND
- * - if we are writing past the original file size
- * of the sink
- * AND
- * - is NOT the last block of the source file. if
- * the block contains EOF, it has to be written
- * in order to set the file size even if the
- * last block is 0-filled.
- * AND
- * - if the read buffer is filled with only 0's
- *
- * then, skip writing to this source. We don't depend
- * on the write to happen to update the size as we
- * have performed an ftruncate() upfront anyways.
- */
-#define is_last_block(o,b,s) ((s >= o) && (s <= (o + b)))
- if (HAS_HOLES ((&replies[source].poststat)) &&
- offset >= replies[i].poststat.ia_size &&
- !is_last_block (offset, size,
- replies[source].poststat.ia_size) &&
- (iov_0filled (iovec, count) == 0))
- continue;
-
- /* Avoid filling up sparse regions of the sink with 0-filled
- * writes.*/
- if (type == AFR_SELFHEAL_DATA_FULL &&
- HAS_HOLES ((&replies[source].poststat)) &&
- ((offset + size) <= replies[i].poststat.ia_size) &&
- (iov_0filled (iovec, count) == 0) &&
- __afr_is_sink_zero_filled (this, fd, size, offset, i)) {
- continue;
- }
-
- ret = syncop_writev (priv->children[i], fd, iovec, count,
- offset, iobref, 0, NULL, NULL, NULL, NULL);
- if (ret != iov_length (iovec, count)) {
- /* write() failed on this sink. unset the corresponding
- member in sinks[] (which is healed_sinks[] in the
- caller) so that this server does NOT get considered
- as successfully healed.
- */
- healed_sinks[i] = 0;
- }
- }
- if (iovec)
- GF_FREE (iovec);
- if (iobref)
- iobref_unref (iobref);
-
- return ret;
+ struct iovec *iovec = NULL;
+ int count = 0;
+ struct iobref *iobref = NULL;
+ int ret = 0;
+ int i = 0;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+
+ ret = syncop_readv(priv->children[source], fd, size, offset, 0, &iovec,
+ &count, &iobref, NULL, NULL, NULL);
+ if (ret <= 0)
+ return ret;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!healed_sinks[i])
+ continue;
+
+ /*
+ * TODO: Use fiemap() and discard() to heal holes
+ * in the future.
+ *
+ * For now,
+ *
+ * - if the source had any holes at all,
+ * AND
+ * - if we are writing past the original file size
+ * of the sink
+ * AND
+ * - is NOT the last block of the source file. if
+ * the block contains EOF, it has to be written
+ * in order to set the file size even if the
+ * last block is 0-filled.
+ * AND
+ * - if the read buffer is filled with only 0's
+ *
+ * then, skip writing to this source. We don't depend
+ * on the write to happen to update the size as we
+ * have performed an ftruncate() upfront anyways.
+ */
+#define is_last_block(o, b, s) ((s >= o) && (s <= (o + b)))
+ if (HAS_HOLES((&replies[source].poststat)) &&
+ offset >= replies[i].poststat.ia_size &&
+ !is_last_block(offset, size, replies[source].poststat.ia_size) &&
+ (iov_0filled(iovec, count) == 0))
+ continue;
+
+ /* Avoid filling up sparse regions of the sink with 0-filled
+ * writes.*/
+ if (type == AFR_SELFHEAL_DATA_FULL &&
+ HAS_HOLES((&replies[source].poststat)) &&
+ ((offset + size) <= replies[i].poststat.ia_size) &&
+ (iov_0filled(iovec, count) == 0) &&
+ __afr_is_sink_zero_filled(this, fd, size, offset, i)) {
+ continue;
+ }
+
+ ret = syncop_writev(priv->children[i], fd, iovec, count, offset, iobref,
+ 0, NULL, NULL, NULL, NULL);
+ if (ret != iov_length(iovec, count)) {
+ /* write() failed on this sink. unset the corresponding
+ member in sinks[] (which is healed_sinks[] in the
+ caller) so that this server does NOT get considered
+ as successfully healed.
+ */
+ healed_sinks[i] = 0;
+ }
+ }
+ if (iovec)
+ GF_FREE(iovec);
+ if (iobref)
+ iobref_unref(iobref);
+
+ return ret;
}
-static int
-afr_selfheal_data_block (call_frame_t *frame, xlator_t *this, fd_t *fd,
- int source, unsigned char *healed_sinks, off_t offset,
- size_t size, int type, struct afr_reply *replies)
+static gf_boolean_t
+afr_source_sinks_locked(xlator_t *this, unsigned char *locked_on, int source,
+ unsigned char *healed_sinks)
{
- int ret = -1;
- int sink_count = 0;
- afr_private_t *priv = NULL;
- unsigned char *data_lock = NULL;
-
- priv = this->private;
- sink_count = AFR_COUNT (healed_sinks, priv->child_count);
- data_lock = alloca0 (priv->child_count);
-
- ret = afr_selfheal_inodelk (frame, this, fd->inode, this->name,
- offset, size, data_lock);
- {
- if (ret < sink_count) {
- ret = -ENOTCONN;
- goto unlock;
- }
-
- if (type == AFR_SELFHEAL_DATA_DIFF &&
- __afr_can_skip_data_block_heal (frame, this, fd, source,
- healed_sinks, offset, size,
- &replies[source].poststat)) {
- ret = 0;
- goto unlock;
- }
-
- ret = __afr_selfheal_data_read_write (frame, this, fd, source,
- healed_sinks, offset, size,
- replies, type);
- }
-unlock:
- afr_selfheal_uninodelk (frame, this, fd->inode, this->name,
- offset, size, data_lock);
- return ret;
-}
+ afr_private_t *priv = this->private;
+ int i = 0;
+ if (!locked_on[source])
+ return _gf_false;
+ for (i = 0; i < priv->child_count; i++) {
+ if (healed_sinks[i] && locked_on[i])
+ return _gf_true;
+ }
-static int
-afr_selfheal_data_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd,
- unsigned char *healed_sinks)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
-
- local = frame->local;
- priv = this->private;
-
- if (!priv->ensure_durability)
- return 0;
-
- AFR_ONLIST (healed_sinks, frame, afr_sh_generic_fop_cbk, fsync, fd, 0,
- NULL);
-
- for (i = 0; i < priv->child_count; i++)
- if (healed_sinks[i] && local->replies[i].op_ret != 0)
- /* fsync() failed. Do NOT consider this server
- as successfully healed. Mark it so.
- */
- healed_sinks[i] = 0;
- return 0;
+ return _gf_false;
}
static int
-afr_data_self_heal_type_get (afr_private_t *priv, unsigned char *healed_sinks,
- int source, struct afr_reply *replies)
+afr_selfheal_data_block(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ int source, unsigned char *healed_sinks, off_t offset,
+ size_t size, int type, struct afr_reply *replies)
{
- int type = AFR_SELFHEAL_DATA_FULL;
- int i = 0;
-
- if (priv->data_self_heal_algorithm == NULL) {
- type = AFR_SELFHEAL_DATA_FULL;
- for (i = 0; i < priv->child_count; i++) {
- if (!healed_sinks[i] && i != source)
- continue;
- if (replies[i].poststat.ia_size) {
- type = AFR_SELFHEAL_DATA_DIFF;
- break;
- }
- }
- } else if (strcmp (priv->data_self_heal_algorithm, "full") == 0) {
- type = AFR_SELFHEAL_DATA_FULL;
- } else if (strcmp (priv->data_self_heal_algorithm, "diff") == 0) {
- type = AFR_SELFHEAL_DATA_DIFF;
+ int ret = -1;
+ afr_private_t *priv = NULL;
+ unsigned char *data_lock = NULL;
+
+ priv = this->private;
+ data_lock = alloca0(priv->child_count);
+
+ ret = afr_selfheal_inodelk(frame, this, fd->inode, this->name, offset, size,
+ data_lock);
+ {
+ if (!afr_source_sinks_locked(this, data_lock, source, healed_sinks)) {
+ ret = -ENOTCONN;
+ goto unlock;
}
- return type;
-}
-static int
-afr_selfheal_data_do (call_frame_t *frame, xlator_t *this, fd_t *fd,
- int source, unsigned char *healed_sinks,
- struct afr_reply *replies)
-{
- afr_private_t *priv = NULL;
- off_t off = 0;
- size_t block = 0;
- int type = AFR_SELFHEAL_DATA_FULL;
- int ret = -1;
- call_frame_t *iter_frame = NULL;
- unsigned char arbiter_sink_status = 0;
-
- priv = this->private;
- if (priv->arbiter_count) {
- arbiter_sink_status = healed_sinks[ARBITER_BRICK_INDEX];
- healed_sinks[ARBITER_BRICK_INDEX] = 0;
+ if (type == AFR_SELFHEAL_DATA_DIFF &&
+ __afr_can_skip_data_block_heal(frame, this, fd, source,
+ healed_sinks, offset, size,
+ &replies[source].poststat)) {
+ ret = 0;
+ goto unlock;
}
- block = 128 * 1024 * priv->data_self_heal_window_size;
-
- type = afr_data_self_heal_type_get (priv, healed_sinks, source,
- replies);
+ ret = __afr_selfheal_data_read_write(
+ frame, this, fd, source, healed_sinks, offset, size, replies, type);
+ }
+unlock:
+ afr_selfheal_uninodelk(frame, this, fd->inode, this->name, offset, size,
+ data_lock);
+ return ret;
+}
- iter_frame = afr_copy_frame (frame);
- if (!iter_frame) {
- ret = -ENOMEM;
- goto out;
- }
+static int
+afr_selfheal_data_fsync(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ unsigned char *healed_sinks)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
- for (off = 0; off < replies[source].poststat.ia_size; off += block) {
- if (AFR_COUNT (healed_sinks, priv->child_count) == 0) {
- ret = -ENOTCONN;
- goto out;
- }
+ local = frame->local;
+ priv = this->private;
- ret = afr_selfheal_data_block (iter_frame, this, fd, source,
- healed_sinks, off, block, type,
- replies);
- if (ret < 0)
- goto out;
+ if (!priv->ensure_durability)
+ return 0;
- AFR_STACK_RESET (iter_frame);
- if (iter_frame->local == NULL) {
- ret = -ENOTCONN;
- goto out;
- }
- }
+ AFR_ONLIST(healed_sinks, frame, afr_sh_generic_fop_cbk, fsync, fd, 0, NULL);
- ret = afr_selfheal_data_fsync (frame, this, fd, healed_sinks);
+ for (i = 0; i < priv->child_count; i++)
+ if (healed_sinks[i] && local->replies[i].op_ret != 0)
+ /* fsync() failed. Do NOT consider this server
+ as successfully healed. Mark it so.
+ */
+ healed_sinks[i] = 0;
+ return 0;
+}
-out:
- if (arbiter_sink_status)
- healed_sinks[ARBITER_BRICK_INDEX] = arbiter_sink_status;
+static int
+afr_data_self_heal_type_get(afr_private_t *priv, unsigned char *healed_sinks,
+ int source, struct afr_reply *replies)
+{
+ int type = AFR_SELFHEAL_DATA_FULL;
+ int i = 0;
- if (iter_frame)
- AFR_STACK_DESTROY (iter_frame);
- return ret;
+ if (priv->data_self_heal_algorithm == AFR_SELFHEAL_DATA_DYNAMIC) {
+ type = AFR_SELFHEAL_DATA_FULL;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!healed_sinks[i] && i != source)
+ continue;
+ if (replies[i].poststat.ia_size) {
+ type = AFR_SELFHEAL_DATA_DIFF;
+ break;
+ }
+ }
+ } else {
+ type = priv->data_self_heal_algorithm;
+ }
+ return type;
}
-
static int
-__afr_selfheal_truncate_sinks (call_frame_t *frame, xlator_t *this,
- fd_t *fd, unsigned char *healed_sinks,
- uint64_t size)
+afr_selfheal_data_do(call_frame_t *frame, xlator_t *this, fd_t *fd, int source,
+ unsigned char *healed_sinks, struct afr_reply *replies)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- unsigned char arbiter_sink_status = 0;
- int i = 0;
+ afr_private_t *priv = NULL;
+ off_t off = 0;
+ size_t block = 0;
+ int type = AFR_SELFHEAL_DATA_FULL;
+ int ret = -1;
+ call_frame_t *iter_frame = NULL;
+ unsigned char arbiter_sink_status = 0;
+
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
+ "performing data selfheal on %s", uuid_utoa(fd->inode->gfid));
+
+ priv = this->private;
+ if (priv->arbiter_count) {
+ arbiter_sink_status = healed_sinks[ARBITER_BRICK_INDEX];
+ healed_sinks[ARBITER_BRICK_INDEX] = 0;
+ }
+
+ block = 128 * 1024 * priv->data_self_heal_window_size;
+
+ type = afr_data_self_heal_type_get(priv, healed_sinks, source, replies);
+
+ iter_frame = afr_copy_frame(frame);
+ if (!iter_frame) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ for (off = 0; off < replies[source].poststat.ia_size; off += block) {
+ if (AFR_COUNT(healed_sinks, priv->child_count) == 0) {
+ ret = -ENOTCONN;
+ goto out;
+ }
- local = frame->local;
- priv = this->private;
+ ret = afr_selfheal_data_block(iter_frame, this, fd, source,
+ healed_sinks, off, block, type, replies);
+ if (ret < 0)
+ goto out;
- if (priv->arbiter_count) {
- arbiter_sink_status = healed_sinks[ARBITER_BRICK_INDEX];
- healed_sinks[ARBITER_BRICK_INDEX] = 0;
+ AFR_STACK_RESET(iter_frame);
+ if (iter_frame->local == NULL) {
+ ret = -ENOTCONN;
+ goto out;
}
+ }
- AFR_ONLIST (healed_sinks, frame, afr_sh_generic_fop_cbk, ftruncate, fd,
- size, NULL);
+ ret = afr_selfheal_data_fsync(frame, this, fd, healed_sinks);
- for (i = 0; i < priv->child_count; i++)
- if (healed_sinks[i] && local->replies[i].op_ret == -1)
- /* truncate() failed. Do NOT consider this server
- as successfully healed. Mark it so.
- */
- healed_sinks[i] = 0;
+out:
+ if (arbiter_sink_status)
+ healed_sinks[ARBITER_BRICK_INDEX] = arbiter_sink_status;
- if (arbiter_sink_status)
- healed_sinks[ARBITER_BRICK_INDEX] = arbiter_sink_status;
- return 0;
+ if (iter_frame)
+ AFR_STACK_DESTROY(iter_frame);
+ return ret;
+}
+
+static int
+__afr_selfheal_truncate_sinks(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ unsigned char *healed_sinks, uint64_t size)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ /* This will send truncate on the arbiter brick as well if it is marked as
+ * sink. If changelog is enabled on the volume it captures truncate as a
+ * data transactions on the arbiter brick. This will help geo-rep to
+ * properly sync the data from master to slave if arbiter is the ACTIVE
+ * brick during syncing and which had got some entries healed for data as
+ * part of self heal.
+ */
+ AFR_ONLIST(healed_sinks, frame, afr_sh_generic_fop_cbk, ftruncate, fd, size,
+ NULL);
+
+ for (i = 0; i < priv->child_count; i++)
+ if (healed_sinks[i] && local->replies[i].op_ret == -1)
+ /* truncate() failed. Do NOT consider this server
+ as successfully healed. Mark it so.
+ */
+ healed_sinks[i] = 0;
+
+ return 0;
}
gf_boolean_t
-afr_has_source_witnesses (xlator_t *this, unsigned char *sources,
- uint64_t *witness)
+afr_has_source_witnesses(xlator_t *this, unsigned char *sources,
+ uint64_t *witness)
{
- int i = 0;
- afr_private_t *priv = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (sources[i] && witness[i])
- return _gf_true;
- }
- return _gf_false;
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i] && witness[i])
+ return _gf_true;
+ }
+ return _gf_false;
}
static gf_boolean_t
-afr_does_size_mismatch (xlator_t *this, unsigned char *sources,
- struct afr_reply *replies)
+afr_does_size_mismatch(xlator_t *this, unsigned char *sources,
+ struct afr_reply *replies)
{
- int i = 0;
- afr_private_t *priv = NULL;
- struct iatt *min = NULL;
- struct iatt *max = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ struct iatt *min = NULL;
+ struct iatt *max = NULL;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
- if (replies[i].op_ret < 0)
- continue;
+ if (replies[i].op_ret < 0)
+ continue;
- if (!sources[i])
- continue;
+ if (!sources[i])
+ continue;
- if (AFR_IS_ARBITER_BRICK (priv, i) &&
- (replies[i].poststat.ia_size == 0))
- continue;
+ if (AFR_IS_ARBITER_BRICK(priv, i) && (replies[i].poststat.ia_size == 0))
+ continue;
- if (!min)
- min = &replies[i].poststat;
+ if (!min)
+ min = &replies[i].poststat;
- if (!max)
- max = &replies[i].poststat;
+ if (!max)
+ max = &replies[i].poststat;
- if (min->ia_size > replies[i].poststat.ia_size)
- min = &replies[i].poststat;
+ if (min->ia_size > replies[i].poststat.ia_size)
+ min = &replies[i].poststat;
- if (max->ia_size < replies[i].poststat.ia_size)
- max = &replies[i].poststat;
- }
+ if (max->ia_size < replies[i].poststat.ia_size)
+ max = &replies[i].poststat;
+ }
- if (min && max) {
- if (min->ia_size != max->ia_size)
- return _gf_true;
- }
+ if (min && max) {
+ if (min->ia_size != max->ia_size)
+ return _gf_true;
+ }
- return _gf_false;
+ return _gf_false;
}
static void
-afr_mark_biggest_witness_as_source (xlator_t *this, unsigned char *sources,
- uint64_t *witness)
+afr_mark_biggest_witness_as_source(xlator_t *this, unsigned char *sources,
+ uint64_t *witness)
{
- int i = 0;
- afr_private_t *priv = NULL;
- uint64_t biggest_witness = 0;
-
- priv = this->private;
- /* Find source with biggest witness count */
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- if (biggest_witness < witness[i])
- biggest_witness = witness[i];
- }
-
- /* Mark files with less witness count as not source */
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
- if (witness[i] < biggest_witness)
- sources[i] = 0;
- }
-
- return;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ uint64_t biggest_witness = 0;
+
+ priv = this->private;
+ /* Find source with biggest witness count */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ if (biggest_witness < witness[i])
+ biggest_witness = witness[i];
+ }
+
+ /* Mark files with less witness count as not source */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ if (witness[i] < biggest_witness)
+ sources[i] = 0;
+ }
+
+ return;
}
/* This is a tie breaker function. Only one source be assigned here */
static void
-afr_mark_newest_file_as_source (xlator_t *this, unsigned char *sources,
- struct afr_reply *replies)
+afr_mark_newest_file_as_source(xlator_t *this, unsigned char *sources,
+ struct afr_reply *replies)
{
- int i = 0;
- afr_private_t *priv = NULL;
- int source = -1;
- uint32_t max_ctime = 0;
-
- priv = this->private;
- /* Find source with latest ctime */
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
-
- if (max_ctime <= replies[i].poststat.ia_ctime) {
- source = i;
- max_ctime = replies[i].poststat.ia_ctime;
- }
+ int i = 0;
+ afr_private_t *priv = NULL;
+ int source = -1;
+ uint32_t max_ctime = 0;
+
+ priv = this->private;
+ /* Find source with latest ctime */
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+
+ if (max_ctime <= replies[i].poststat.ia_ctime) {
+ source = i;
+ max_ctime = replies[i].poststat.ia_ctime;
}
+ }
- /* Only mark one of the files as source to break ties */
- memset (sources, 0, sizeof (*sources) * priv->child_count);
- sources[source] = 1;
+ /* Only mark one of the files as source to break ties */
+ memset(sources, 0, sizeof(*sources) * priv->child_count);
+ sources[source] = 1;
}
static int
-__afr_selfheal_data_finalize_source (call_frame_t *frame, xlator_t *this,
- inode_t *inode,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- unsigned char *undid_pending,
- struct afr_reply *replies,
- uint64_t *witness)
+__afr_selfheal_data_finalize_source(
+ call_frame_t *frame, xlator_t *this, inode_t *inode, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks, unsigned char *locked_on,
+ unsigned char *undid_pending, struct afr_reply *replies, uint64_t *witness)
{
- afr_private_t *priv = NULL;
- int source = -1;
- int sources_count = 0;
- priv = this->private;
-
- sources_count = AFR_COUNT (sources, priv->child_count);
-
- if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
- || !sources_count) {
- /* split brain */
- source = afr_mark_split_brain_source_sinks (frame, this, inode,
- sources, sinks,
- healed_sinks,
- locked_on, replies,
- AFR_DATA_TRANSACTION);
- if (source < 0) {
- gf_event (EVENT_AFR_SPLIT_BRAIN, "subvol=%s;type=data;"
- "file=%s", this->name, uuid_utoa(inode->gfid));
- return -EIO;
- }
-
- _afr_fav_child_reset_sink_xattrs (frame, this, inode, source,
- healed_sinks, undid_pending,
- AFR_DATA_TRANSACTION,
- locked_on, replies);
- goto out;
- }
-
- /* No split brain at this point. If we were called from
- * afr_heal_splitbrain_file(), abort.*/
- if (afr_dict_contains_heal_op(frame))
- return -EIO;
-
- /* If there are no witnesses/size-mismatches on sources we are done*/
- if (!afr_does_size_mismatch (this, sources, replies) &&
- !afr_has_source_witnesses (this, sources, witness))
- goto out;
-
- afr_mark_largest_file_as_source (this, sources, replies);
- afr_mark_biggest_witness_as_source (this, sources, witness);
- afr_mark_newest_file_as_source (this, sources, replies);
- if (priv->arbiter_count)
- /* Choose non-arbiter brick as source for empty files. */
- afr_mark_source_sinks_if_file_empty (this, sources, sinks,
- healed_sinks, locked_on,
- replies,
- AFR_DATA_TRANSACTION);
+ afr_private_t *priv = NULL;
+ int source = -1;
+ int sources_count = 0;
+ priv = this->private;
+
+ sources_count = AFR_COUNT(sources, priv->child_count);
+
+ if ((AFR_CMP(locked_on, healed_sinks, priv->child_count) == 0) ||
+ !sources_count) {
+ /* split brain */
+ source = afr_mark_split_brain_source_sinks(
+ frame, this, inode, sources, sinks, healed_sinks, locked_on,
+ replies, AFR_DATA_TRANSACTION);
+ if (source < 0) {
+ gf_event(EVENT_AFR_SPLIT_BRAIN,
+ "client-pid=%d;"
+ "subvol=%s;type=data;"
+ "file=%s",
+ this->ctx->cmd_args.client_pid, this->name,
+ uuid_utoa(inode->gfid));
+ return -EIO;
+ }
+
+ _afr_fav_child_reset_sink_xattrs(
+ frame, this, inode, source, healed_sinks, undid_pending,
+ AFR_DATA_TRANSACTION, locked_on, replies);
+ goto out;
+ }
+
+ /* No split brain at this point. If we were called from
+ * afr_heal_splitbrain_file(), abort.*/
+ if (afr_dict_contains_heal_op(frame))
+ return -EIO;
+
+ /* If there are no witnesses/size-mismatches on sources we are done*/
+ if (!afr_does_size_mismatch(this, sources, replies) &&
+ !afr_has_source_witnesses(this, sources, witness))
+ goto out;
+
+ afr_mark_largest_file_as_source(this, sources, replies);
+ afr_mark_biggest_witness_as_source(this, sources, witness);
+ afr_mark_newest_file_as_source(this, sources, replies);
+ if (priv->arbiter_count)
+ /* Choose non-arbiter brick as source for empty files. */
+ afr_mark_source_sinks_if_file_empty(this, sources, sinks, healed_sinks,
+ locked_on, replies,
+ AFR_DATA_TRANSACTION);
out:
- afr_mark_active_sinks (this, sources, locked_on, healed_sinks);
- source = afr_choose_source_by_policy (priv, sources,
- AFR_DATA_TRANSACTION);
+ afr_mark_active_sinks(this, sources, locked_on, healed_sinks);
+ source = afr_choose_source_by_policy(priv, sources, AFR_DATA_TRANSACTION);
- return source;
+ return source;
}
/*
@@ -619,296 +606,286 @@ out:
* for self-healing, or -1 if no healing is necessary/split brain.
*/
int
-__afr_selfheal_data_prepare (call_frame_t *frame, xlator_t *this,
- inode_t *inode, unsigned char *locked_on,
- unsigned char *sources, unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *undid_pending,
- struct afr_reply *replies, gf_boolean_t *pflag)
+__afr_selfheal_data_prepare(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ unsigned char *locked_on, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ struct afr_reply *replies, unsigned char *pflag)
{
- int ret = -1;
- int source = -1;
- afr_private_t *priv = NULL;
- uint64_t *witness = NULL;
-
- priv = this->private;
-
- ret = afr_selfheal_unlocked_discover (frame, inode, inode->gfid,
- replies);
-
- if (ret)
- return ret;
-
- witness = alloca0(priv->child_count * sizeof (*witness));
- ret = afr_selfheal_find_direction (frame, this, replies,
- AFR_DATA_TRANSACTION,
- locked_on, sources, sinks, witness,
- pflag);
- if (ret)
- return ret;
-
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
-
- source = __afr_selfheal_data_finalize_source (frame, this, inode,
- sources, sinks,
- healed_sinks,
- locked_on, undid_pending,
- replies, witness);
- if (source < 0)
- return -EIO;
-
- return source;
+ int ret = -1;
+ int source = -1;
+ afr_private_t *priv = NULL;
+ uint64_t *witness = NULL;
+
+ priv = this->private;
+
+ ret = afr_selfheal_unlocked_discover(frame, inode, inode->gfid, replies);
+
+ if (ret)
+ return ret;
+
+ witness = alloca0(priv->child_count * sizeof(*witness));
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_DATA_TRANSACTION, locked_on, sources,
+ sinks, witness, pflag);
+ if (ret)
+ return ret;
+
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT(healed_sinks, sinks, locked_on, priv->child_count);
+
+ source = __afr_selfheal_data_finalize_source(
+ frame, this, inode, sources, sinks, healed_sinks, locked_on,
+ undid_pending, replies, witness);
+ if (source < 0)
+ return -EIO;
+
+ return source;
}
-
static int
-__afr_selfheal_data (call_frame_t *frame, xlator_t *this, fd_t *fd,
- unsigned char *locked_on)
+__afr_selfheal_data(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ unsigned char *locked_on)
{
- afr_private_t *priv = NULL;
- int ret = -1;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *data_lock = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *undid_pending = NULL;
- struct afr_reply *locked_replies = NULL;
- int source = -1;
- gf_boolean_t did_sh = _gf_true;
- gf_boolean_t is_arbiter_the_only_sink = _gf_false;
- gf_boolean_t empty_file = _gf_false;
-
- priv = this->private;
-
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- data_lock = alloca0 (priv->child_count);
- undid_pending = alloca0 (priv->child_count);
-
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- ret = afr_selfheal_inodelk (frame, this, fd->inode, this->name, 0, 0,
- data_lock);
- {
- if (ret < priv->child_count) {
- gf_msg_debug (this->name, 0, "%s: Skipping "
- "self-heal as only %d number "
- "of subvolumes "
- "could be locked",
- uuid_utoa (fd->inode->gfid),
- ret);
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_data_prepare (frame, this, fd->inode,
- data_lock, sources, sinks,
- healed_sinks, undid_pending,
- locked_replies, NULL);
- if (ret < 0)
- goto unlock;
-
- if (AFR_COUNT(healed_sinks, priv->child_count) == 0) {
- did_sh = _gf_false;
- goto unlock;
- }
-
- source = ret;
-
- if (AFR_IS_ARBITER_BRICK(priv, source)) {
- empty_file = afr_is_file_empty_on_all_children (priv,
- locked_replies);
- if (empty_file)
- goto restore_time;
-
- did_sh = _gf_false;
- goto unlock;
- }
-
- if (priv->arbiter_count &&
- AFR_COUNT (healed_sinks, priv->child_count) == 1 &&
- healed_sinks[ARBITER_BRICK_INDEX]) {
- is_arbiter_the_only_sink = _gf_true;
- goto restore_time;
- }
-
- ret = __afr_selfheal_truncate_sinks (frame, this, fd, healed_sinks,
- locked_replies[source].poststat.ia_size);
- if (ret < 0)
- goto unlock;
-
- ret = 0;
-
- }
-unlock:
- afr_selfheal_uninodelk (frame, this, fd->inode, this->name, 0, 0,
- data_lock);
+ afr_private_t *priv = NULL;
+ int ret = -1;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *data_lock = NULL;
+ unsigned char *healed_sinks = NULL;
+ unsigned char *undid_pending = NULL;
+ struct afr_reply *locked_replies = NULL;
+ int source = -1;
+ gf_boolean_t did_sh = _gf_true;
+ gf_boolean_t is_arbiter_the_only_sink = _gf_false;
+ gf_boolean_t empty_file = _gf_false;
+
+ priv = this->private;
+
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ healed_sinks = alloca0(priv->child_count);
+ data_lock = alloca0(priv->child_count);
+ undid_pending = alloca0(priv->child_count);
+
+ locked_replies = alloca0(sizeof(*locked_replies) * priv->child_count);
+
+ ret = afr_selfheal_inodelk(frame, this, fd->inode, this->name, 0, 0,
+ data_lock);
+ {
+ if (ret < priv->child_count) {
+ gf_msg_debug(this->name, 0,
+ "%s: Skipping "
+ "self-heal as only %d number "
+ "of subvolumes "
+ "could be locked",
+ uuid_utoa(fd->inode->gfid), ret);
+ ret = -ENOTCONN;
+ goto unlock;
+ }
+
+ ret = __afr_selfheal_data_prepare(frame, this, fd->inode, data_lock,
+ sources, sinks, healed_sinks,
+ undid_pending, locked_replies, NULL);
+ if (ret < 0)
+ goto unlock;
+
+ if (AFR_COUNT(healed_sinks, priv->child_count) == 0) {
+ did_sh = _gf_false;
+ goto unlock;
+ }
+
+ source = ret;
+
+ if (AFR_IS_ARBITER_BRICK(priv, source)) {
+ empty_file = afr_is_file_empty_on_all_children(priv,
+ locked_replies);
+ if (empty_file)
+ goto restore_time;
+
+ did_sh = _gf_false;
+ goto unlock;
+ }
+
+ ret = __afr_selfheal_truncate_sinks(
+ frame, this, fd, healed_sinks,
+ locked_replies[source].poststat.ia_size);
if (ret < 0)
- goto out;
+ goto unlock;
- if (!did_sh)
- goto out;
+ if (priv->arbiter_count &&
+ AFR_COUNT(healed_sinks, priv->child_count) == 1 &&
+ healed_sinks[ARBITER_BRICK_INDEX]) {
+ is_arbiter_the_only_sink = _gf_true;
+ goto restore_time;
+ }
+ ret = 0;
+ }
+unlock:
+ afr_selfheal_uninodelk(frame, this, fd->inode, this->name, 0, 0, data_lock);
+ if (ret < 0)
+ goto out;
- ret = afr_selfheal_data_do (frame, this, fd, source, healed_sinks,
- locked_replies);
- if (ret)
- goto out;
+ if (!did_sh)
+ goto out;
+
+ ret = afr_selfheal_data_do(frame, this, fd, source, healed_sinks,
+ locked_replies);
+ if (ret)
+ goto out;
restore_time:
- afr_selfheal_restore_time (frame, this, fd->inode, source,
- healed_sinks, locked_replies);
-
- if (!is_arbiter_the_only_sink || !empty_file) {
- ret = afr_selfheal_inodelk (frame, this, fd->inode, this->name,
- 0, 0, data_lock);
- if (ret < priv->child_count) {
- ret = -ENOTCONN;
- did_sh = _gf_false;
- goto skip_undo_pending;
- }
+ afr_selfheal_restore_time(frame, this, fd->inode, source, healed_sinks,
+ locked_replies);
+
+ if (!is_arbiter_the_only_sink && !empty_file) {
+ ret = afr_selfheal_inodelk(frame, this, fd->inode, this->name, 0, 0,
+ data_lock);
+ if (ret < priv->child_count) {
+ ret = -ENOTCONN;
+ did_sh = _gf_false;
+ goto skip_undo_pending;
}
- ret = afr_selfheal_undo_pending (frame, this, fd->inode,
- sources, sinks, healed_sinks,
- undid_pending, AFR_DATA_TRANSACTION,
- locked_replies, data_lock);
+ }
+ ret = afr_selfheal_undo_pending(
+ frame, this, fd->inode, sources, sinks, healed_sinks, undid_pending,
+ AFR_DATA_TRANSACTION, locked_replies, data_lock);
skip_undo_pending:
- afr_selfheal_uninodelk (frame, this, fd->inode, this->name, 0, 0,
- data_lock);
+ afr_selfheal_uninodelk(frame, this, fd->inode, this->name, 0, 0, data_lock);
out:
- if (did_sh)
- afr_log_selfheal (fd->inode->gfid, this, ret, "data", source,
- sources, healed_sinks);
- else
- ret = 1;
+ if (did_sh)
+ afr_log_selfheal(fd->inode->gfid, this, ret, "data", source, sources,
+ healed_sinks);
+ else
+ ret = 1;
- if (locked_replies)
- afr_replies_wipe (locked_replies, priv->child_count);
+ if (locked_replies)
+ afr_replies_wipe(locked_replies, priv->child_count);
- return ret;
+ return ret;
}
int
-afr_selfheal_data_open_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- fd_t *fd, dict_t *xdata)
+afr_selfheal_data_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, fd_t *fd,
+ dict_t *xdata)
{
- afr_local_t *local = NULL;
- int i = (long) cookie;
+ afr_local_t *local = NULL;
+ int i = (long)cookie;
- local = frame->local;
+ local = frame->local;
- local->replies[i].valid = 1;
- local->replies[i].op_ret = op_ret;
- local->replies[i].op_errno = op_errno;
+ local->replies[i].valid = 1;
+ local->replies[i].op_ret = op_ret;
+ local->replies[i].op_errno = op_errno;
- syncbarrier_wake (&local->barrier);
+ syncbarrier_wake(&local->barrier);
- return 0;
+ return 0;
}
int
-afr_selfheal_data_open (xlator_t *this, inode_t *inode, fd_t **fd)
+afr_selfheal_data_open(xlator_t *this, inode_t *inode, fd_t **fd)
{
- int ret = 0;
- fd_t *fd_tmp = NULL;
- loc_t loc = {0,};
- call_frame_t *frame = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
-
- priv = this->private;
-
- fd_tmp = fd_create (inode, 0);
- if (!fd_tmp)
- return -ENOMEM;
-
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
-
- frame = afr_frame_create (this, &ret);
- if (!frame) {
- ret = -ret;
- fd_unref (fd_tmp);
- goto out;
+ int ret = 0;
+ fd_t *fd_tmp = NULL;
+ loc_t loc = {
+ 0,
+ };
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+
+ priv = this->private;
+
+ fd_tmp = fd_create(inode, 0);
+ if (!fd_tmp)
+ return -ENOMEM;
+
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
+
+ frame = afr_frame_create(this, &ret);
+ if (!frame) {
+ ret = -ret;
+ fd_unref(fd_tmp);
+ goto out;
+ }
+ local = frame->local;
+
+ AFR_ONLIST(local->child_up, frame, afr_selfheal_data_open_cbk, open, &loc,
+ O_RDWR | O_LARGEFILE, fd_tmp, NULL);
+
+ ret = -ENOTCONN;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+
+ if (local->replies[i].op_ret < 0) {
+ ret = -local->replies[i].op_errno;
+ continue;
}
- local = frame->local;
- AFR_ONLIST (local->child_up, frame, afr_selfheal_data_open_cbk, open,
- &loc, O_RDWR|O_LARGEFILE, fd_tmp, NULL);
+ ret = 0;
+ break;
+ }
- ret = -ENOTCONN;
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
-
- if (local->replies[i].op_ret < 0) {
- ret = -local->replies[i].op_errno;
- continue;
- }
+ if (ret < 0) {
+ fd_unref(fd_tmp);
+ goto out;
+ } else {
+ fd_bind(fd_tmp);
+ }
- ret = 0;
- break;
- }
-
- if (ret < 0) {
- fd_unref (fd_tmp);
- goto out;
- } else {
- fd_bind (fd_tmp);
- }
-
- *fd = fd_tmp;
+ *fd = fd_tmp;
out:
- loc_wipe (&loc);
- if (frame)
- AFR_STACK_DESTROY (frame);
- return ret;
+ loc_wipe(&loc);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ return ret;
}
int
-afr_selfheal_data (call_frame_t *frame, xlator_t *this, fd_t *fd)
+afr_selfheal_data(call_frame_t *frame, xlator_t *this, fd_t *fd)
{
- afr_private_t *priv = NULL;
- unsigned char *locked_on = NULL;
- int ret = 0;
- inode_t *inode = fd->inode;
-
- priv = this->private;
-
- locked_on = alloca0 (priv->child_count);
-
- ret = afr_selfheal_tie_breaker_inodelk (frame, this, inode,
- priv->sh_domain, 0, 0,
- locked_on);
- {
- if (ret < priv->child_count) {
- gf_msg_debug (this->name, 0, "%s: Skipping "
- "self-heal as only %d number of "
- "subvolumes could be locked",
- uuid_utoa (fd->inode->gfid),
- ret);
- /* Either less than two subvols available, or another
- selfheal (from another server) is in progress. Skip
- for now in any case there isn't anything to do.
- */
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_data (frame, this, fd, locked_on);
- }
+ afr_private_t *priv = NULL;
+ unsigned char *locked_on = NULL;
+ int ret = 0;
+ inode_t *inode = fd->inode;
+
+ priv = this->private;
+
+ locked_on = alloca0(priv->child_count);
+
+ ret = afr_selfheal_tie_breaker_inodelk(frame, this, inode, priv->sh_domain,
+ 0, 0, locked_on);
+ {
+ if (ret < priv->child_count) {
+ gf_msg_debug(this->name, 0,
+ "%s: Skipping "
+ "self-heal as only %d number of "
+ "subvolumes could be locked",
+ uuid_utoa(fd->inode->gfid), ret);
+ /* Either less than two subvols available, or another
+ selfheal (from another server) is in progress. Skip
+ for now in any case there isn't anything to do.
+ */
+ ret = -ENOTCONN;
+ goto unlock;
+ }
+
+ ret = __afr_selfheal_data(frame, this, fd, locked_on);
+ }
unlock:
- afr_selfheal_uninodelk (frame, this, inode, priv->sh_domain, 0, 0,
- locked_on);
+ afr_selfheal_uninodelk(frame, this, inode, priv->sh_domain, 0, 0,
+ locked_on);
- return ret;
+ return ret;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c
index e6022cc939b..64893f441e3 100644
--- a/xlators/cluster/afr/src/afr-self-heal-entry.c
+++ b/xlators/cluster/afr/src/afr-self-heal-entry.c
@@ -8,1115 +8,1269 @@
cases as published by the Free Software Foundation.
*/
-
#include "afr.h"
#include "afr-self-heal.h"
-#include "byte-order.h"
+#include <glusterfs/byte-order.h>
#include "afr-transaction.h"
#include "afr-messages.h"
-#include "syncop-utils.h"
-#include "events.h"
+#include <glusterfs/syncop-utils.h>
+#include <glusterfs/events.h>
-static int
-afr_selfheal_entry_delete (xlator_t *this, inode_t *dir, const char *name,
- inode_t *inode, int child, struct afr_reply *replies)
+int
+afr_selfheal_entry_anon_inode(xlator_t *this, inode_t *dir, const char *name,
+ inode_t *inode, int child,
+ struct afr_reply *replies,
+ gf_boolean_t *anon_inode)
{
- afr_private_t *priv = NULL;
- xlator_t *subvol = NULL;
- int ret = 0;
- loc_t loc = {0, };
- char g[64];
-
- priv = this->private;
-
- subvol = priv->children[child];
-
- loc.parent = inode_ref (dir);
- gf_uuid_copy (loc.pargfid, dir->gfid);
- loc.name = name;
- loc.inode = inode_ref (inode);
-
- if (replies[child].valid && replies[child].op_ret == 0) {
- switch (replies[child].poststat.ia_type) {
- case IA_IFDIR:
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_EXPUNGING_FILE_OR_DIR,
- "expunging dir %s/%s (%s) on %s",
- uuid_utoa (dir->gfid), name,
- uuid_utoa_r (replies[child].poststat.ia_gfid, g),
- subvol->name);
- ret = syncop_rmdir (subvol, &loc, 1, NULL, NULL);
- break;
- default:
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_EXPUNGING_FILE_OR_DIR,
- "expunging file %s/%s (%s) on %s",
- uuid_utoa (dir->gfid), name,
- uuid_utoa_r (replies[child].poststat.ia_gfid, g),
- subvol->name);
- ret = syncop_unlink (subvol, &loc, NULL, NULL);
- break;
- }
- }
-
- loc_wipe (&loc);
-
- return ret;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ int ret = 0;
+ int i = 0;
+ char g[64] = {0};
+ unsigned char *lookup_success = NULL;
+ call_frame_t *frame = NULL;
+ loc_t loc2 = {
+ 0,
+ };
+ loc_t loc = {
+ 0,
+ };
+
+ priv = this->private;
+ subvol = priv->children[child];
+ lookup_success = alloca0(priv->child_count);
+ uuid_utoa_r(replies[child].poststat.ia_gfid, g);
+ loc.inode = inode_new(inode->table);
+ if (!loc.inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (replies[child].poststat.ia_type == IA_IFDIR) {
+ /* This directory may have sub-directory hierarchy which may need to
+ * be preserved for subsequent heals. So unconditionally move the
+ * directory to anonymous-inode directory*/
+ *anon_inode = _gf_true;
+ goto anon_inode;
+ }
+
+ frame = afr_frame_create(this, &ret);
+ if (!frame) {
+ ret = -ret;
+ goto out;
+ }
+ local = frame->local;
+ gf_uuid_copy(loc.gfid, replies[child].poststat.ia_gfid);
+ AFR_ONLIST(local->child_up, frame, afr_selfheal_discover_cbk, lookup, &loc,
+ NULL);
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].op_ret == 0) {
+ lookup_success[i] = 1;
+ } else if (local->replies[i].op_errno != ENOENT &&
+ local->replies[i].op_errno != ESTALE) {
+ ret = -local->replies[i].op_errno;
+ }
+ }
+
+ if (priv->quorum_count) {
+ if (afr_has_quorum(lookup_success, this, NULL)) {
+ *anon_inode = _gf_true;
+ }
+ } else if (AFR_COUNT(lookup_success, priv->child_count) > 1) {
+ *anon_inode = _gf_true;
+ } else if (ret) {
+ goto out;
+ }
+
+anon_inode:
+ if (!*anon_inode) {
+ ret = 0;
+ goto out;
+ }
+
+ loc.parent = inode_ref(dir);
+ gf_uuid_copy(loc.pargfid, dir->gfid);
+ loc.name = name;
+
+ ret = afr_anon_inode_create(this, child, &loc2.parent);
+ if (ret < 0)
+ goto out;
+
+ loc2.name = g;
+ ret = syncop_rename(subvol, &loc, &loc2, NULL, NULL);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, AFR_MSG_EXPUNGING_FILE_OR_DIR,
+ "Rename to %s dir %s/%s (%s) on %s failed",
+ priv->anon_inode_name, uuid_utoa(dir->gfid), name, g,
+ subvol->name);
+ } else {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_EXPUNGING_FILE_OR_DIR,
+ "Rename to %s dir %s/%s (%s) on %s successful",
+ priv->anon_inode_name, uuid_utoa(dir->gfid), name, g,
+ subvol->name);
+ }
+
+out:
+ loc_wipe(&loc);
+ loc_wipe(&loc2);
+ if (frame) {
+ AFR_STACK_DESTROY(frame);
+ }
+
+ return ret;
}
int
-afr_selfheal_recreate_entry (call_frame_t *frame, int dst, int source,
- unsigned char *sources, inode_t *dir,
- const char *name, inode_t *inode,
- struct afr_reply *replies)
+afr_selfheal_entry_delete(xlator_t *this, inode_t *dir, const char *name,
+ inode_t *inode, int child, struct afr_reply *replies)
{
- int ret = 0;
- loc_t loc = {0,};
- loc_t srcloc = {0,};
- xlator_t *this = frame->this;
- afr_private_t *priv = NULL;
- dict_t *xdata = NULL;
- struct iatt *iatt = NULL;
- char *linkname = NULL;
- mode_t mode = 0;
- struct iatt newent = {0,};
- unsigned char *newentry = NULL;
-
- priv = this->private;
- iatt = &replies[source].poststat;
- if (iatt->ia_type == IA_INVAL || gf_uuid_is_null (iatt->ia_gfid)) {
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_SELF_HEAL_FAILED,
- "Invalid ia_type (%d) or gfid(%s). source brick=%d, "
- "pargfid=%s, name=%s", iatt->ia_type,
- uuid_utoa(iatt->ia_gfid), source,
- uuid_utoa(dir->gfid), name);
- ret = -EINVAL;
- goto out;
- }
+ char g[64] = {0};
+ afr_private_t *priv = NULL;
+ xlator_t *subvol = NULL;
+ int ret = 0;
+ loc_t loc = {
+ 0,
+ };
+ gf_boolean_t anon_inode = _gf_false;
+
+ priv = this->private;
+ subvol = priv->children[child];
+
+ if ((!replies[child].valid) || (replies[child].op_ret < 0)) {
+ /*Nothing to do*/
+ ret = 0;
+ goto out;
+ }
+
+ if (priv->use_anon_inode) {
+ ret = afr_selfheal_entry_anon_inode(this, dir, name, inode, child,
+ replies, &anon_inode);
+ if (ret < 0 || anon_inode)
+ goto out;
+ }
+
+ loc.parent = inode_ref(dir);
+ loc.inode = inode_new(inode->table);
+ if (!loc.inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ loc.name = name;
+ switch (replies[child].poststat.ia_type) {
+ case IA_IFDIR:
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_EXPUNGING_FILE_OR_DIR,
+ "expunging dir %s/%s (%s) on %s", uuid_utoa(dir->gfid), name,
+ uuid_utoa_r(replies[child].poststat.ia_gfid, g),
+ subvol->name);
+ ret = syncop_rmdir(subvol, &loc, 1, NULL, NULL);
+ break;
+ default:
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_EXPUNGING_FILE_OR_DIR,
+ "expunging file %s/%s (%s) on %s", uuid_utoa(dir->gfid),
+ name, uuid_utoa_r(replies[child].poststat.ia_gfid, g),
+ subvol->name);
+ ret = syncop_unlink(subvol, &loc, NULL, NULL);
+ break;
+ }
- xdata = dict_new();
- if (!xdata)
- return -ENOMEM;
- newentry = alloca0 (priv->child_count);
- loc.parent = inode_ref (dir);
- gf_uuid_copy (loc.pargfid, dir->gfid);
- loc.name = name;
- loc.inode = inode_ref (inode);
-
- ret = afr_selfheal_entry_delete (this, dir, name, inode, dst, replies);
- if (ret)
- goto out;
-
- ret = dict_set_gfuuid (xdata, "gfid-req",
- replies[source].poststat.ia_gfid, true);
- if (ret)
- goto out;
-
- srcloc.inode = inode_ref (inode);
- gf_uuid_copy (srcloc.gfid, iatt->ia_gfid);
- if (iatt->ia_type != IA_IFDIR)
- ret = syncop_lookup (priv->children[dst], &srcloc, 0, 0, 0, 0);
- if (iatt->ia_type == IA_IFDIR || ret == -ENOENT || ret == -ESTALE) {
- newentry[dst] = 1;
- ret = afr_selfheal_newentry_mark (frame, this, inode, source,
- replies, sources, newentry);
- if (ret)
- goto out;
- }
+out:
+ loc_wipe(&loc);
+ return ret;
+}
- mode = st_mode_from_ia (iatt->ia_prot, iatt->ia_type);
-
- switch (iatt->ia_type) {
- case IA_IFDIR:
- ret = syncop_mkdir (priv->children[dst], &loc, mode, 0,
- xdata, NULL);
- break;
- case IA_IFLNK:
- if (!newentry[dst]) {
- ret = syncop_link (priv->children[dst], &srcloc, &loc,
- &newent, NULL, NULL);
- } else {
- ret = syncop_readlink (priv->children[source], &srcloc,
- &linkname, 4096, NULL, NULL);
- if (ret <= 0)
- goto out;
- ret = syncop_symlink (priv->children[dst], &loc,
- linkname, NULL, xdata, NULL);
- }
- break;
- default:
- ret = dict_set_int32 (xdata, GLUSTERFS_INTERNAL_FOP_KEY, 1);
- if (ret)
- goto out;
- ret = syncop_mknod (priv->children[dst], &loc, mode,
- makedev (ia_major(iatt->ia_rdev), ia_minor (iatt->ia_rdev)),
- &newent, xdata, NULL);
- break;
- }
+int
+afr_selfheal_recreate_entry(call_frame_t *frame, int dst, int source,
+ unsigned char *sources, inode_t *dir,
+ const char *name, inode_t *inode,
+ struct afr_reply *replies)
+{
+ int ret = 0;
+ loc_t loc = {
+ 0,
+ };
+ loc_t srcloc = {
+ 0,
+ };
+ loc_t anonloc = {
+ 0,
+ };
+ xlator_t *this = frame->this;
+ afr_private_t *priv = NULL;
+ dict_t *xdata = NULL;
+ struct iatt *iatt = NULL;
+ char *linkname = NULL;
+ mode_t mode = 0;
+ struct iatt newent = {
+ 0,
+ };
+ unsigned char *newentry = NULL;
+ char iatt_uuid_str[64] = {0};
+ char dir_uuid_str[64] = {0};
+
+ priv = this->private;
+ iatt = &replies[source].poststat;
+ uuid_utoa_r(iatt->ia_gfid, iatt_uuid_str);
+ if (iatt->ia_type == IA_INVAL || gf_uuid_is_null(iatt->ia_gfid)) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SELF_HEAL_FAILED,
+ "Invalid ia_type (%d) or gfid(%s). source brick=%d, "
+ "pargfid=%s, name=%s",
+ iatt->ia_type, iatt_uuid_str, source,
+ uuid_utoa_r(dir->gfid, dir_uuid_str), name);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ xdata = dict_new();
+ if (!xdata)
+ return -ENOMEM;
+ newentry = alloca0(priv->child_count);
+ loc.parent = inode_ref(dir);
+ gf_uuid_copy(loc.pargfid, dir->gfid);
+ loc.name = name;
+ loc.inode = inode_ref(inode);
+
+ ret = afr_selfheal_entry_delete(this, dir, name, inode, dst, replies);
+ if (ret)
+ goto out;
+
+ ret = dict_set_gfuuid(xdata, "gfid-req", replies[source].poststat.ia_gfid,
+ true);
+ if (ret)
+ goto out;
+
+ srcloc.inode = inode_ref(inode);
+ gf_uuid_copy(srcloc.gfid, iatt->ia_gfid);
+ ret = syncop_lookup(priv->children[dst], &srcloc, 0, 0, 0, 0);
+ if (ret == -ENOENT || ret == -ESTALE) {
+ newentry[dst] = 1;
+ ret = afr_selfheal_newentry_mark(frame, this, inode, source, replies,
+ sources, newentry);
+ if (ret)
+ goto out;
+ } else if (ret == 0 && iatt->ia_type == IA_IFDIR && priv->use_anon_inode) {
+ // Try rename from hidden directory
+ ret = afr_anon_inode_create(this, dst, &anonloc.parent);
+ if (ret < 0)
+ goto out;
+ anonloc.inode = inode_ref(inode);
+ anonloc.name = iatt_uuid_str;
+ ret = syncop_rename(priv->children[dst], &anonloc, &loc, NULL, NULL);
+ if (ret == -ENOENT || ret == -ESTALE)
+ ret = -1; /*This sets 'mismatch' to true*/
+ goto out;
+ }
+
+ mode = st_mode_from_ia(iatt->ia_prot, iatt->ia_type);
+
+ switch (iatt->ia_type) {
+ case IA_IFDIR:
+ ret = syncop_mkdir(priv->children[dst], &loc, mode, 0, xdata, NULL);
+ break;
+ case IA_IFLNK:
+ if (!newentry[dst]) {
+ ret = syncop_link(priv->children[dst], &srcloc, &loc, &newent,
+ NULL, NULL);
+ } else {
+ ret = syncop_readlink(priv->children[source], &srcloc,
+ &linkname, 4096, NULL, NULL);
+ if (ret <= 0)
+ goto out;
+ ret = syncop_symlink(priv->children[dst], &loc, linkname, NULL,
+ xdata, NULL);
+ }
+ break;
+ default:
+ ret = dict_set_int32_sizen(xdata, GLUSTERFS_INTERNAL_FOP_KEY, 1);
+ if (ret)
+ goto out;
+ ret = syncop_mknod(
+ priv->children[dst], &loc, mode,
+ makedev(ia_major(iatt->ia_rdev), ia_minor(iatt->ia_rdev)),
+ &newent, xdata, NULL);
+ break;
+ }
out:
- if (xdata)
- dict_unref (xdata);
- GF_FREE (linkname);
- loc_wipe (&loc);
- loc_wipe (&srcloc);
- return ret;
+ if (xdata)
+ dict_unref(xdata);
+ GF_FREE(linkname);
+ loc_wipe(&loc);
+ loc_wipe(&srcloc);
+ loc_wipe(&anonloc);
+ return ret;
}
static int
-__afr_selfheal_heal_dirent (call_frame_t *frame, xlator_t *this, fd_t *fd,
- char *name, inode_t *inode, int source,
- unsigned char *sources, unsigned char *healed_sinks,
- unsigned char *locked_on, struct afr_reply *replies)
+__afr_selfheal_heal_dirent(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ char *name, inode_t *inode, int source,
+ unsigned char *sources, unsigned char *healed_sinks,
+ unsigned char *locked_on, struct afr_reply *replies)
{
- int ret = 0;
- afr_private_t *priv = NULL;
- int i = 0;
+ int ret = 0;
+ afr_private_t *priv = NULL;
+ int i = 0;
- priv = this->private;
+ priv = this->private;
- if (!replies[source].valid)
- return -EIO;
+ if (!replies[source].valid)
+ return -EIO;
- /* Skip healing this entry if the last lookup on it failed for reasons
- * other than ENOENT.
- */
- if ((replies[source].op_ret < 0) &&
- (replies[source].op_errno != ENOENT))
- return -replies[source].op_errno;
-
- if (replies[source].op_ret == 0) {
- ret = afr_lookup_and_heal_gfid (this, fd->inode, name,
- inode, replies, source, sources,
- &replies[source].poststat.ia_gfid);
- if (ret)
- return ret;
+ /* Skip healing this entry if the last lookup on it failed for reasons
+ * other than ENOENT.
+ */
+ if ((replies[source].op_ret < 0) && (replies[source].op_errno != ENOENT))
+ return -replies[source].op_errno;
+
+ if (replies[source].op_ret == 0) {
+ ret = afr_lookup_and_heal_gfid(this, fd->inode, name, inode, replies,
+ source, sources,
+ &replies[source].poststat.ia_gfid, NULL);
+ if (ret)
+ return ret;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!healed_sinks[i])
+ continue;
+ if (replies[source].op_ret == -1 &&
+ replies[source].op_errno == ENOENT) {
+ ret = afr_selfheal_entry_delete(this, fd->inode, name, inode, i,
+ replies);
+ } else {
+ if (!gf_uuid_compare(replies[i].poststat.ia_gfid,
+ replies[source].poststat.ia_gfid))
+ continue;
+
+ ret = afr_selfheal_recreate_entry(frame, i, source, sources,
+ fd->inode, name, inode, replies);
}
+ if (ret < 0)
+ break;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (!healed_sinks[i])
- continue;
- if (replies[source].op_ret == -1 &&
- replies[source].op_errno == ENOENT) {
- ret = afr_selfheal_entry_delete (this, fd->inode, name,
- inode, i, replies);
- } else {
- if (!gf_uuid_compare (replies[i].poststat.ia_gfid,
- replies[source].poststat.ia_gfid))
- continue;
-
- ret = afr_selfheal_recreate_entry (frame, i, source,
- sources, fd->inode,
- name, inode,
- replies);
- }
- if (ret < 0)
- break;
- }
-
- return ret;
+ return ret;
}
static int
-afr_selfheal_detect_gfid_and_type_mismatch (xlator_t *this,
- struct afr_reply *replies,
- inode_t *inode,
- uuid_t pargfid,
- char *bname, int src_idx,
- unsigned char *locked_on,
- int *src)
+afr_selfheal_detect_gfid_and_type_mismatch(xlator_t *this,
+ struct afr_reply *replies,
+ inode_t *inode, uuid_t pargfid,
+ char *bname, int src_idx,
+ unsigned char *locked_on, int *src)
{
- int i = 0;
- int ret = -1;
- afr_private_t *priv = NULL;
- void *gfid = NULL;
- ia_type_t ia_type = IA_INVAL;
+ int i = 0;
+ int ret = -1;
+ afr_private_t *priv = NULL;
+ void *gfid = NULL;
+ ia_type_t ia_type = IA_INVAL;
- priv = this->private;
- gfid = &replies[src_idx].poststat.ia_gfid;
- ia_type = replies[src_idx].poststat.ia_type;
+ priv = this->private;
+ gfid = &replies[src_idx].poststat.ia_gfid;
+ ia_type = replies[src_idx].poststat.ia_type;
- for (i = 0; i < priv->child_count; i++) {
- if (i == src_idx)
- continue;
-
- if (!replies[i].valid)
- continue;
-
- if (replies[i].op_ret != 0)
- continue;
-
- if (gf_uuid_compare (gfid, replies[i].poststat.ia_gfid) &&
- (ia_type == replies[i].poststat.ia_type)) {
- ret = afr_gfid_split_brain_source (this, replies, inode,
- pargfid, bname,
- src_idx, i,
- locked_on, src,
- NULL);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN,
- "Skipping conservative merge on the "
- "file.");
- return ret;
- }
-
- if (ia_type != replies[i].poststat.ia_type) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_SPLIT_BRAIN, "Type mismatch detected "
- "for <gfid:%s>/%s>, %s on %s and %s on %s. "
- "Skipping conservative merge on the file.",
- uuid_utoa (pargfid), bname,
- gf_inode_type_to_str (replies[i].poststat.ia_type),
- priv->children[i]->name,
- gf_inode_type_to_str (replies[src_idx].poststat.ia_type),
- priv->children[src_idx]->name);
- gf_event (EVENT_AFR_SPLIT_BRAIN, "subvol=%s;type=file;"
- "file=<gfid:%s>/%s>;count=2;child-%d=%s;type-"
- "%d=%s;child-%d=%s;type-%d=%s",
- this->name, uuid_utoa (pargfid), bname, i,
- priv->children[i]->name, i,
- gf_inode_type_to_str(replies[i].poststat.ia_type),
- src_idx, priv->children[src_idx]->name, src_idx,
- gf_inode_type_to_str(replies[src_idx].poststat.ia_type));
- return -1;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (i == src_idx)
+ continue;
+
+ if (!replies[i].valid)
+ continue;
+
+ if (replies[i].op_ret != 0)
+ continue;
+
+ if (gf_uuid_is_null(replies[i].poststat.ia_gfid))
+ continue;
+
+ if (replies[i].poststat.ia_type == IA_INVAL)
+ continue;
+
+ if (ia_type == IA_INVAL || gf_uuid_is_null(gfid)) {
+ src_idx = i;
+ ia_type = replies[src_idx].poststat.ia_type;
+ gfid = &replies[src_idx].poststat.ia_gfid;
+ continue;
}
- return 0;
+ if (gf_uuid_compare(gfid, replies[i].poststat.ia_gfid) &&
+ (ia_type == replies[i].poststat.ia_type)) {
+ ret = afr_gfid_split_brain_source(this, replies, inode, pargfid,
+ bname, src_idx, i, locked_on, src,
+ NULL);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "Skipping conservative merge on the "
+ "file.");
+ return ret;
+ }
+
+ if (ia_type != replies[i].poststat.ia_type) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_SPLIT_BRAIN,
+ "Type mismatch detected "
+ "for <gfid:%s>/%s>, %s on %s and %s on %s. "
+ "Skipping conservative merge on the file.",
+ uuid_utoa(pargfid), bname,
+ gf_inode_type_to_str(replies[i].poststat.ia_type),
+ priv->children[i]->name,
+ gf_inode_type_to_str(replies[src_idx].poststat.ia_type),
+ priv->children[src_idx]->name);
+ gf_event(EVENT_AFR_SPLIT_BRAIN,
+ "client-pid=%d;"
+ "subvol=%s;type=file;"
+ "file=<gfid:%s>/%s>;count=2;child-%d=%s;type-"
+ "%d=%s;child-%d=%s;type-%d=%s",
+ this->ctx->cmd_args.client_pid, this->name,
+ uuid_utoa(pargfid), bname, i, priv->children[i]->name, i,
+ gf_inode_type_to_str(replies[i].poststat.ia_type), src_idx,
+ priv->children[src_idx]->name, src_idx,
+ gf_inode_type_to_str(replies[src_idx].poststat.ia_type));
+ return -1;
+ }
+ }
+
+ return 0;
}
static int
-__afr_selfheal_merge_dirent (call_frame_t *frame, xlator_t *this, fd_t *fd,
- char *name, inode_t *inode, unsigned char *sources,
- unsigned char *healed_sinks, unsigned char *locked_on,
- struct afr_reply *replies)
+__afr_selfheal_merge_dirent(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ char *name, inode_t *inode, unsigned char *sources,
+ unsigned char *healed_sinks,
+ unsigned char *locked_on, struct afr_reply *replies)
{
- int ret = 0;
- int i = 0;
- int source = -1;
- int src = -1;
- afr_private_t *priv = NULL;
+ int ret = 0;
+ int i = 0;
+ int source = -1;
+ int src = -1;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies[i].valid && replies[i].op_ret == 0) {
+ source = i;
+ break;
+ }
+ }
+
+ if (source == -1) {
+ /* entry got deleted in the mean time? */
+ return 0;
+ }
- priv = this->private;
+ /* Set all the sources as 1, otheriwse newentry_mark won't be set */
+ for (i = 0; i < priv->child_count; i++) {
+ if (replies[i].valid && replies[i].op_ret == 0) {
+ sources[i] = 1;
+ }
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (replies[i].valid && replies[i].op_ret == 0) {
- source = i;
- break;
- }
- }
-
- if (source == -1) {
- /* entry got deleted in the mean time? */
- return 0;
- }
-
- /* Set all the sources as 1, otheriwse newentry_mark won't be set */
- for (i = 0; i < priv->child_count; i++) {
- if (replies[i].valid && replies[i].op_ret == 0) {
- sources[i] = 1;
- }
- }
-
- ret = afr_lookup_and_heal_gfid (this, fd->inode, name, inode, replies,
- source, sources,
- &replies[source].poststat.ia_gfid);
- if (ret)
- return ret;
+ ret = afr_lookup_and_heal_gfid(this, fd->inode, name, inode, replies,
+ source, sources,
+ &replies[source].poststat.ia_gfid, NULL);
+ if (ret)
+ return ret;
- /* In case of type mismatch / unable to resolve gfid mismatch on the
- * entry, return -1.*/
- ret = afr_selfheal_detect_gfid_and_type_mismatch (this, replies, inode,
- fd->inode->gfid,
- name, source,
- locked_on, &src);
+ /* In case of type mismatch / unable to resolve gfid mismatch on the
+ * entry, return -1.*/
+ ret = afr_selfheal_detect_gfid_and_type_mismatch(
+ this, replies, inode, fd->inode->gfid, name, source, locked_on, &src);
- if (ret < 0)
- return ret;
- if (src != -1) {
- source = src;
- for (i = 0; i < priv->child_count; i++) {
- if (i != src && replies[i].valid &&
- gf_uuid_compare (replies[src].poststat.ia_gfid,
- replies[i].poststat.ia_gfid)) {
- sources[i] = 0;
- }
- }
+ if (ret < 0)
+ return ret;
+ if (src != -1) {
+ source = src;
+ for (i = 0; i < priv->child_count; i++) {
+ if (i != src && replies[i].valid &&
+ gf_uuid_compare(replies[src].poststat.ia_gfid,
+ replies[i].poststat.ia_gfid)) {
+ sources[i] = 0;
+ }
}
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (i == source || !healed_sinks[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (i == source || !healed_sinks[i])
+ continue;
- if (src != -1) {
- if (!gf_uuid_compare (replies[src].poststat.ia_gfid,
- replies[i].poststat.ia_gfid))
- continue;
- } else if (replies[i].op_errno != ENOENT) {
- continue;
- }
+ if (src != -1) {
+ if (!gf_uuid_compare(replies[src].poststat.ia_gfid,
+ replies[i].poststat.ia_gfid))
+ continue;
+ } else if (replies[i].op_errno != ENOENT) {
+ continue;
+ }
- ret |= afr_selfheal_recreate_entry (frame, i, source, sources,
- fd->inode, name, inode,
- replies);
- }
+ ret |= afr_selfheal_recreate_entry(frame, i, source, sources, fd->inode,
+ name, inode, replies);
+ }
- return ret;
+ return ret;
}
-
static int
-__afr_selfheal_entry_dirent (call_frame_t *frame, xlator_t *this, fd_t *fd,
- char *name, inode_t *inode, int source,
- unsigned char *sources, unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies)
+__afr_selfheal_entry_dirent(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ char *name, inode_t *inode, int source,
+ unsigned char *sources, unsigned char *healed_sinks,
+ unsigned char *locked_on, struct afr_reply *replies)
{
- int ret = -1;
-
- if (source < 0)
- ret = __afr_selfheal_merge_dirent (frame, this, fd, name, inode,
- sources, healed_sinks,
- locked_on, replies);
- else
- ret = __afr_selfheal_heal_dirent (frame, this, fd, name, inode,
- source, sources, healed_sinks,
- locked_on, replies);
- return ret;
+ int ret = -1;
+
+ if (source < 0)
+ ret = __afr_selfheal_merge_dirent(frame, this, fd, name, inode, sources,
+ healed_sinks, locked_on, replies);
+ else
+ ret = __afr_selfheal_heal_dirent(frame, this, fd, name, inode, source,
+ sources, healed_sinks, locked_on,
+ replies);
+ return ret;
}
static gf_boolean_t
-is_full_heal_marker_present (xlator_t *this, dict_t *xdata, int idx)
+is_full_heal_marker_present(xlator_t *this, dict_t *xdata, int idx)
{
- int i = 0;
- int pending[3] = {0,};
- void *pending_raw = NULL;
- afr_private_t *priv = NULL;
+ int i = 0;
+ int pending[3] = {
+ 0,
+ };
+ void *pending_raw = NULL;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- if (!xdata)
- return _gf_false;
+ if (!xdata)
+ return _gf_false;
- /* Iterate over each of the priv->pending_keys[] elements and then
- * see if any of them have data segment non-zero. If they do, return
- * true. Else return false.
- */
- for (i = 0; i < priv->child_count; i++) {
- if (dict_get_ptr (xdata, priv->pending_key[i], &pending_raw))
- continue;
+ /* Iterate over each of the priv->pending_keys[] elements and then
+ * see if any of them have data segment non-zero. If they do, return
+ * true. Else return false.
+ */
+ for (i = 0; i < priv->child_count; i++) {
+ if (dict_get_ptr(xdata, priv->pending_key[i], &pending_raw))
+ continue;
- if (!pending_raw)
- continue;
+ if (!pending_raw)
+ continue;
- memcpy (pending, pending_raw, sizeof (pending));
- if (ntoh32 (pending[idx]))
- return _gf_true;
- }
+ memcpy(pending, pending_raw, sizeof(pending));
+ if (ntoh32(pending[idx]))
+ return _gf_true;
+ }
- return _gf_false;
+ return _gf_false;
}
static gf_boolean_t
-afr_need_full_heal (xlator_t *this, struct afr_reply *replies, int source,
- unsigned char *healed_sinks, afr_transaction_type type)
+afr_need_full_heal(xlator_t *this, struct afr_reply *replies, int source,
+ unsigned char *healed_sinks, afr_transaction_type type)
{
- int i = 0;
- int idx = 0;
- afr_private_t *priv = NULL;
+ int i = 0;
+ int idx = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- if (!priv->esh_granular)
- return _gf_true;
+ if (!priv->esh_granular)
+ return _gf_true;
- if (type != AFR_ENTRY_TRANSACTION)
- return _gf_true;
+ if (type != AFR_ENTRY_TRANSACTION)
+ return _gf_true;
- priv = this->private;
- idx = afr_index_for_transaction_type (AFR_DATA_TRANSACTION);
+ priv = this->private;
+ idx = afr_index_for_transaction_type(AFR_DATA_TRANSACTION);
- /* If there is a clear source, check whether the full-heal-indicator
- * is present in its xdata. Otherwise, we need to examine all the
- * participating bricks and then figure if *even* one of them has a
- * full-heal-indicator.
- */
+ /* If there is a clear source, check whether the full-heal-indicator
+ * is present in its xdata. Otherwise, we need to examine all the
+ * participating bricks and then figure if *even* one of them has a
+ * full-heal-indicator.
+ */
- if (source != -1) {
- if (is_full_heal_marker_present (this, replies[source].xdata,
- idx))
- return _gf_true;
- }
+ if (source != -1) {
+ if (is_full_heal_marker_present(this, replies[source].xdata, idx))
+ return _gf_true;
+ }
- /* else ..*/
+ /* else ..*/
- for (i = 0; i < priv->child_count; i++) {
- if (!healed_sinks[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!healed_sinks[i])
+ continue;
- if (is_full_heal_marker_present (this, replies[i].xdata, idx))
- return _gf_true;
- }
+ if (is_full_heal_marker_present(this, replies[i].xdata, idx))
+ return _gf_true;
+ }
- return _gf_false;
+ return _gf_false;
}
static int
-__afr_selfheal_entry_finalize_source (xlator_t *this, unsigned char *sources,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies,
- uint64_t *witness)
+__afr_selfheal_entry_finalize_source(xlator_t *this, unsigned char *sources,
+ unsigned char *healed_sinks,
+ unsigned char *locked_on,
+ struct afr_reply *replies,
+ uint64_t *witness)
{
- afr_private_t *priv = NULL;
- int source = -1;
- int sources_count = 0;
+ afr_private_t *priv = NULL;
+ int source = -1;
+ int sources_count = 0;
+ int i = 0;
- priv = this->private;
+ priv = this->private;
- sources_count = AFR_COUNT (sources, priv->child_count);
+ sources_count = AFR_COUNT(sources, priv->child_count);
- if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
- || !sources_count || afr_does_witness_exist (this, witness)) {
+ if ((AFR_CMP(locked_on, healed_sinks, priv->child_count) == 0) ||
+ !sources_count || afr_does_witness_exist(this, witness)) {
+ memset(sources, 0, sizeof(*sources) * priv->child_count);
+ afr_mark_active_sinks(this, sources, locked_on, healed_sinks);
+ return -1;
+ }
- memset (sources, 0, sizeof (*sources) * priv->child_count);
- afr_mark_active_sinks (this, sources, locked_on, healed_sinks);
- return -1;
- }
+ source = afr_choose_source_by_policy(priv, sources, AFR_ENTRY_TRANSACTION);
+
+ /*If the selected source does not blame any other brick, then mark
+ * everything as sink to trigger conservative merge.
+ */
+ if (source != -1 && !AFR_COUNT(healed_sinks, priv->child_count)) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (locked_on[i]) {
+ sources[i] = 0;
+ healed_sinks[i] = 1;
+ }
+ }
+ return -1;
+ }
- source = afr_choose_source_by_policy (priv, sources,
- AFR_ENTRY_TRANSACTION);
- return source;
+ return source;
}
int
-__afr_selfheal_entry_prepare (call_frame_t *frame, xlator_t *this,
- inode_t *inode, unsigned char *locked_on,
- unsigned char *sources, unsigned char *sinks,
- unsigned char *healed_sinks,
- struct afr_reply *replies, int *source_p,
- gf_boolean_t *pflag)
+__afr_selfheal_entry_prepare(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks,
+ struct afr_reply *replies, int *source_p,
+ unsigned char *pflag)
{
- int ret = -1;
- int source = -1;
- afr_private_t *priv = NULL;
- uint64_t *witness = NULL;
+ int ret = -1;
+ int source = -1;
+ afr_private_t *priv = NULL;
+ uint64_t *witness = NULL;
- priv = this->private;
+ priv = this->private;
- ret = afr_selfheal_unlocked_discover (frame, inode, inode->gfid,
- replies);
- if (ret)
- return ret;
-
- witness = alloca0 (sizeof (*witness) * priv->child_count);
- ret = afr_selfheal_find_direction (frame, this, replies,
- AFR_ENTRY_TRANSACTION,
- locked_on, sources, sinks, witness,
- pflag);
- if (ret)
- return ret;
-
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
-
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
-
- source = __afr_selfheal_entry_finalize_source (this, sources,
- healed_sinks,
- locked_on, replies,
- witness);
-
- if (source < 0) {
- /* If source is < 0 (typically split-brain), we perform a
- conservative merge of entries rather than erroring out */
- }
- *source_p = source;
-
- return ret;
-}
+ ret = afr_selfheal_unlocked_discover(frame, inode, inode->gfid, replies);
+ if (ret)
+ return ret;
-static int
-afr_selfheal_entry_dirent (call_frame_t *frame, xlator_t *this,
- fd_t *fd, char *name, inode_t *parent_idx_inode,
- xlator_t *subvol, gf_boolean_t full_crawl)
-{
- int ret = 0;
- int source = -1;
- unsigned char *locked_on = NULL;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *healed_sinks = NULL;
- inode_t *inode = NULL;
- struct afr_reply *replies = NULL;
- struct afr_reply *par_replies = NULL;
- afr_private_t *priv = NULL;
- dict_t *xattr = NULL;
-
- priv = this->private;
-
- xattr = dict_new ();
- if (!xattr)
- return -ENOMEM;
- ret = dict_set_int32 (xattr, GF_GFIDLESS_LOOKUP, 1);
- if (ret) {
- dict_unref (xattr);
- return -1;
- }
+ witness = alloca0(sizeof(*witness) * priv->child_count);
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_ENTRY_TRANSACTION, locked_on, sources,
+ sinks, witness, pflag);
+ if (ret)
+ return ret;
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- locked_on = alloca0 (priv->child_count);
-
- replies = alloca0 (priv->child_count * sizeof(*replies));
- par_replies = alloca0 (priv->child_count * sizeof(*par_replies));
-
- ret = afr_selfheal_entrylk (frame, this, fd->inode, this->name, NULL,
- locked_on);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS) {
- gf_msg_debug (this->name, 0, "%s: Skipping "
- "entry self-heal as only %d sub-volumes "
- " could be locked in %s domain",
- uuid_utoa (fd->inode->gfid),
- ret, this->name);
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_entry_prepare (frame, this, fd->inode,
- locked_on,
- sources, sinks,
- healed_sinks, par_replies,
- &source, NULL);
- if (ret < 0)
- goto unlock;
-
- inode = afr_selfheal_unlocked_lookup_on (frame, fd->inode, name,
- replies, locked_on,
- xattr);
- if (!inode) {
- ret = -ENOMEM;
- goto unlock;
- }
-
- ret = __afr_selfheal_entry_dirent (frame, this, fd, name, inode,
- source, sources, healed_sinks,
- locked_on, replies);
-
- if ((ret == 0) && (priv->esh_granular) && parent_idx_inode) {
- ret = afr_shd_index_purge (subvol, parent_idx_inode,
- name, inode->ia_type);
- /* Why is ret force-set to 0? We do not care about
- * index purge failing for full heal as it is quite
- * possible during replace-brick that not all files
- * and directories have their name indices present in
- * entry-changes/.
- */
- ret = 0;
- }
- }
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
-unlock:
- afr_selfheal_unentrylk (frame, this, fd->inode, this->name, NULL,
- locked_on, NULL);
- if (inode)
- inode_unref (inode);
- if (replies)
- afr_replies_wipe (replies, priv->child_count);
- if (par_replies)
- afr_replies_wipe (par_replies, priv->child_count);
- if (xattr)
- dict_unref (xattr);
-
- return ret;
-}
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT(healed_sinks, sinks, locked_on, priv->child_count);
+ source = __afr_selfheal_entry_finalize_source(this, sources, healed_sinks,
+ locked_on, replies, witness);
-static inode_t *
-afr_shd_entry_changes_index_inode (xlator_t *this, xlator_t *subvol,
- uuid_t pargfid)
+ if (source < 0) {
+ /* If source is < 0 (typically split-brain), we perform a
+ conservative merge of entries rather than erroring out */
+ }
+ *source_p = source;
+
+ return ret;
+}
+
+static int
+afr_selfheal_entry_dirent(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ char *name, inode_t *parent_idx_inode,
+ xlator_t *subvol, gf_boolean_t full_crawl)
{
- int ret = -1;
- void *index_gfid = NULL;
- loc_t rootloc = {0,};
- loc_t loc = {0,};
- dict_t *xattr = NULL;
- inode_t *inode = NULL;
- struct iatt iatt = {0,};
-
- rootloc.inode = inode_ref (this->itable->root);
- gf_uuid_copy (rootloc.gfid, rootloc.inode->gfid);
-
- ret = syncop_getxattr (subvol, &rootloc, &xattr,
- GF_XATTROP_ENTRY_CHANGES_GFID, NULL, NULL);
- if (ret || !xattr) {
- errno = -ret;
- goto out;
+ int ret = 0;
+ int source = -1;
+ unsigned char *locked_on = NULL;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *healed_sinks = NULL;
+ inode_t *inode = NULL;
+ struct afr_reply *replies = NULL;
+ struct afr_reply *par_replies = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xattr = NULL;
+
+ priv = this->private;
+
+ if (afr_is_private_directory(priv, fd->inode->gfid, name,
+ GF_CLIENT_PID_SELF_HEALD)) {
+ return 0;
+ }
+
+ xattr = dict_new();
+ if (!xattr)
+ return -ENOMEM;
+ ret = dict_set_int32_sizen(xattr, GF_GFIDLESS_LOOKUP, 1);
+ if (ret) {
+ dict_unref(xattr);
+ return -1;
+ }
+
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ healed_sinks = alloca0(priv->child_count);
+ locked_on = alloca0(priv->child_count);
+
+ replies = alloca0(priv->child_count * sizeof(*replies));
+ par_replies = alloca0(priv->child_count * sizeof(*par_replies));
+
+ ret = afr_selfheal_entrylk(frame, this, fd->inode, this->name, NULL,
+ locked_on);
+ {
+ if (ret < priv->child_count) {
+ gf_msg_debug(this->name, 0,
+ "%s: Skipping "
+ "entry self-heal as only %d sub-volumes "
+ " could be locked in %s domain",
+ uuid_utoa(fd->inode->gfid), ret, this->name);
+ ret = -ENOTCONN;
+ goto unlock;
}
- ret = dict_get_ptr (xattr, GF_XATTROP_ENTRY_CHANGES_GFID, &index_gfid);
- if (ret) {
- errno = EINVAL;
- goto out;
- }
+ ret = __afr_selfheal_entry_prepare(frame, this, fd->inode, locked_on,
+ sources, sinks, healed_sinks,
+ par_replies, &source, NULL);
+ if (ret < 0)
+ goto unlock;
- loc.inode = inode_new (this->itable);
- if (!loc.inode) {
- errno = ENOMEM;
- goto out;
+ inode = afr_selfheal_unlocked_lookup_on(frame, fd->inode, name, replies,
+ locked_on, xattr);
+ if (!inode) {
+ ret = -ENOMEM;
+ goto unlock;
}
- gf_uuid_copy (loc.pargfid, index_gfid);
- loc.name = gf_strdup (uuid_utoa (pargfid));
-
- ret = syncop_lookup (subvol, &loc, &iatt, NULL, NULL, NULL);
- if (ret < 0) {
- errno = -ret;
- goto out;
+ ret = __afr_selfheal_entry_dirent(frame, this, fd, name, inode, source,
+ sources, healed_sinks, locked_on,
+ replies);
+
+ if ((ret == 0) && (priv->esh_granular) && parent_idx_inode) {
+ ret = afr_shd_entry_purge(subvol, parent_idx_inode, name,
+ inode->ia_type);
+ /* Why is ret force-set to 0? We do not care about
+ * index purge failing for full heal as it is quite
+ * possible during replace-brick that not all files
+ * and directories have their name indices present in
+ * entry-changes/.
+ */
+ ret = 0;
}
+ }
+
+unlock:
+ afr_selfheal_unentrylk(frame, this, fd->inode, this->name, NULL, locked_on,
+ NULL);
+ if (inode)
+ inode_unref(inode);
+ if (replies)
+ afr_replies_wipe(replies, priv->child_count);
+ if (par_replies)
+ afr_replies_wipe(par_replies, priv->child_count);
+ if (xattr)
+ dict_unref(xattr);
+
+ return ret;
+}
- inode = inode_link (loc.inode, NULL, NULL, &iatt);
+static inode_t *
+afr_shd_entry_changes_index_inode(xlator_t *this, xlator_t *subvol,
+ uuid_t pargfid)
+{
+ int ret = -1;
+ void *index_gfid = NULL;
+ loc_t rootloc = {
+ 0,
+ };
+ loc_t loc = {
+ 0,
+ };
+ dict_t *xattr = NULL;
+ inode_t *inode = NULL;
+ struct iatt iatt = {
+ 0,
+ };
+
+ rootloc.inode = inode_ref(this->itable->root);
+ gf_uuid_copy(rootloc.gfid, rootloc.inode->gfid);
+
+ ret = syncop_getxattr(subvol, &rootloc, &xattr,
+ GF_XATTROP_ENTRY_CHANGES_GFID, NULL, NULL);
+ if (ret || !xattr) {
+ errno = -ret;
+ goto out;
+ }
+
+ ret = dict_get_ptr(xattr, GF_XATTROP_ENTRY_CHANGES_GFID, &index_gfid);
+ if (ret) {
+ errno = EINVAL;
+ goto out;
+ }
+
+ loc.inode = inode_new(this->itable);
+ if (!loc.inode) {
+ errno = ENOMEM;
+ goto out;
+ }
+
+ gf_uuid_copy(loc.pargfid, index_gfid);
+ loc.name = gf_strdup(uuid_utoa(pargfid));
+
+ ret = syncop_lookup(subvol, &loc, &iatt, NULL, NULL, NULL);
+ if (ret < 0) {
+ errno = -ret;
+ goto out;
+ }
+
+ inode = inode_link(loc.inode, NULL, NULL, &iatt);
out:
- if (xattr)
- dict_unref (xattr);
- loc_wipe (&rootloc);
- GF_FREE ((char *)loc.name);
- loc_wipe (&loc);
+ if (xattr)
+ dict_unref(xattr);
+ loc_wipe(&rootloc);
+ GF_FREE((char *)loc.name);
+ loc_wipe(&loc);
- return inode;
+ return inode;
}
static int
-afr_selfheal_entry_do_subvol (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int child)
+afr_selfheal_entry_do_subvol(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ int child)
{
- int ret = 0;
- gf_dirent_t entries;
- gf_dirent_t *entry = NULL;
- off_t offset = 0;
- call_frame_t *iter_frame = NULL;
- xlator_t *subvol = NULL;
- afr_private_t *priv = NULL;
- gf_boolean_t mismatch = _gf_false;
- afr_local_t *local = NULL;
- loc_t loc = {0,};
-
- priv = this->private;
- subvol = priv->children[child];
-
- INIT_LIST_HEAD (&entries.list);
-
- local = frame->local;
-
- iter_frame = afr_copy_frame (frame);
- if (!iter_frame)
- return -ENOMEM;
-
- loc.inode = afr_shd_entry_changes_index_inode (this, subvol,
- fd->inode->gfid);
-
- while ((ret = syncop_readdir (subvol, fd, 131072, offset, &entries,
- NULL, NULL))) {
- if (ret > 0)
- ret = 0;
- list_for_each_entry (entry, &entries.list, list) {
- offset = entry->d_off;
-
- if (!strcmp (entry->d_name, ".") ||
- !strcmp (entry->d_name, ".."))
- continue;
-
- if (__is_root_gfid (fd->inode->gfid) &&
- !strcmp (entry->d_name, GF_REPLICATE_TRASH_DIR))
- continue;
-
- ret = afr_selfheal_entry_dirent (iter_frame, this, fd,
- entry->d_name,
- loc.inode, subvol,
- local->need_full_crawl);
- AFR_STACK_RESET (iter_frame);
- if (iter_frame->local == NULL) {
- ret = -ENOTCONN;
- break;
- }
-
- if (ret == -1) {
- /* gfid or type mismatch. */
- mismatch = _gf_true;
- ret = 0;
- }
- if (ret)
- break;
- }
-
- gf_dirent_free (&entries);
- if (ret)
- break;
- }
-
- loc_wipe (&loc);
-
- AFR_STACK_DESTROY (iter_frame);
- if (mismatch == _gf_true)
- /* undo pending will be skipped */
- ret = -1;
- return ret;
-}
+ int ret = 0;
+ gf_dirent_t entries;
+ gf_dirent_t *entry = NULL;
+ off_t offset = 0;
+ call_frame_t *iter_frame = NULL;
+ xlator_t *subvol = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t mismatch = _gf_false;
+ afr_local_t *local = NULL;
+ loc_t loc = {
+ 0,
+ };
+
+ priv = this->private;
+ subvol = priv->children[child];
+
+ INIT_LIST_HEAD(&entries.list);
+
+ local = frame->local;
+
+ iter_frame = afr_copy_frame(frame);
+ if (!iter_frame)
+ return -ENOMEM;
+
+ loc.inode = afr_shd_entry_changes_index_inode(this, subvol,
+ fd->inode->gfid);
+
+ while ((ret = syncop_readdir(subvol, fd, 131072, offset, &entries, NULL,
+ NULL))) {
+ if (ret > 0)
+ ret = 0;
+ list_for_each_entry(entry, &entries.list, list)
+ {
+ offset = entry->d_off;
-static int
-afr_selfheal_entry_granular_dirent (xlator_t *subvol, gf_dirent_t *entry,
- loc_t *parent, void *data)
-{
- int ret = 0;
- loc_t loc = {0,};
- struct iatt iatt = {0,};
- afr_granular_esh_args_t *args = data;
-
- /* Look up the actual inode associated with entry. If the lookup returns
- * ESTALE or ENOENT, then it means we have a stale index. Remove it.
- * This is analogous to the check in afr_shd_index_heal() except that
- * here it is achieved through LOOKUP and in afr_shd_index_heal() through
- * a GETXATTR.
- */
+ if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
+ continue;
+
+ ret = afr_selfheal_entry_dirent(iter_frame, this, fd, entry->d_name,
+ loc.inode, subvol,
+ local->need_full_crawl);
+ AFR_STACK_RESET(iter_frame);
+ if (iter_frame->local == NULL) {
+ ret = -ENOTCONN;
+ break;
+ }
- loc.inode = inode_new (args->xl->itable);
- loc.parent = inode_ref (args->heal_fd->inode);
- gf_uuid_copy (loc.pargfid, loc.parent->gfid);
- loc.name = entry->d_name;
-
- ret = syncop_lookup (args->xl, &loc, &iatt, NULL, NULL, NULL);
- if ((ret == -ENOENT) || (ret == -ESTALE)) {
- /* The name indices under the pgfid index dir are guaranteed
- * to be regular files. Hence the hardcoding.
- */
- afr_shd_index_purge (subvol, parent->inode, entry->d_name,
- IA_IFREG);
+ if (ret == -1) {
+ /* gfid or type mismatch. */
+ mismatch = _gf_true;
ret = 0;
- goto out;
+ }
+ if (ret)
+ break;
}
- /* TBD: afr_shd_zero_xattrop? */
- ret = afr_selfheal_entry_dirent (args->frame, args->xl, args->heal_fd,
- entry->d_name, parent->inode, subvol,
- _gf_false);
- AFR_STACK_RESET (args->frame);
- if (args->frame->local == NULL)
- ret = -ENOTCONN;
+ gf_dirent_free(&entries);
+ if (ret)
+ break;
+ }
- if (ret == -1)
- args->mismatch = _gf_true;
+ loc_wipe(&loc);
-out:
- loc_wipe (&loc);
- return 0;
+ AFR_STACK_DESTROY(iter_frame);
+ if (mismatch == _gf_true)
+ /* undo pending will be skipped */
+ ret = -1;
+ return ret;
}
static int
-afr_selfheal_entry_granular (call_frame_t *frame, xlator_t *this, fd_t *fd,
- int subvol_idx, gf_boolean_t is_src)
+afr_selfheal_entry_granular_dirent(xlator_t *subvol, gf_dirent_t *entry,
+ loc_t *parent, void *data)
{
- int ret = 0;
- loc_t loc = {0,};
- xlator_t *subvol = NULL;
- afr_private_t *priv = NULL;
- afr_granular_esh_args_t args = {0,};
-
- priv = this->private;
- subvol = priv->children[subvol_idx];
-
- args.frame = afr_copy_frame (frame);
- args.xl = this;
- /* args.heal_fd represents the fd associated with the original directory
- * on which entry heal is being attempted.
+ int ret = 0;
+ loc_t loc = {
+ 0,
+ };
+ struct iatt iatt = {
+ 0,
+ };
+ afr_granular_esh_args_t *args = data;
+
+ /* Look up the actual inode associated with entry. If the lookup returns
+ * ESTALE or ENOENT, then it means we have a stale index. Remove it.
+ * This is analogous to the check in afr_shd_index_heal() except that
+ * here it is achieved through LOOKUP and in afr_shd_index_heal() through
+ * a GETXATTR.
+ */
+
+ loc.inode = inode_new(args->xl->itable);
+ loc.parent = inode_ref(args->heal_fd->inode);
+ gf_uuid_copy(loc.pargfid, loc.parent->gfid);
+ loc.name = entry->d_name;
+
+ ret = syncop_lookup(args->xl, &loc, &iatt, NULL, NULL, NULL);
+ if ((ret == -ENOENT) || (ret == -ESTALE)) {
+ /* The name indices under the pgfid index dir are guaranteed
+ * to be regular files. Hence the hardcoding.
*/
- args.heal_fd = fd;
+ afr_shd_entry_purge(subvol, parent->inode, entry->d_name, IA_IFREG);
+ ret = 0;
+ goto out;
+ }
+ /* TBD: afr_shd_zero_xattrop? */
+
+ ret = afr_selfheal_entry_dirent(args->frame, args->xl, args->heal_fd,
+ entry->d_name, parent->inode, subvol,
+ _gf_false);
+ AFR_STACK_RESET(args->frame);
+ if (args->frame->local == NULL)
+ ret = -ENOTCONN;
+
+ if (ret == -1)
+ args->mismatch = _gf_true;
- /* @subvol here represents the subvolume of AFR where
- * indices/entry-changes/<pargfid> will be processed
- */
- loc.inode = afr_shd_entry_changes_index_inode (this, subvol,
- fd->inode->gfid);
- if (!loc.inode) {
- /* If granular heal failed on the sink (as it might sometimes
- * because it is the src that would mostly contain the granular
- * changelogs and the sink's entry-changes would be empty),
- * do not treat heal as failure.
- */
- if (is_src)
- return -errno;
- else
- return 0;
- }
+out:
+ loc_wipe(&loc);
+ return 0;
+}
- ret = syncop_dir_scan (subvol, &loc, GF_CLIENT_PID_SELF_HEALD,
- &args, afr_selfheal_entry_granular_dirent);
+static int
+afr_selfheal_entry_granular(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ int subvol_idx, gf_boolean_t is_src)
+{
+ int ret = 0;
+ loc_t loc = {
+ 0,
+ };
+ xlator_t *subvol = NULL;
+ afr_private_t *priv = NULL;
+ afr_granular_esh_args_t args = {
+ 0,
+ };
+
+ priv = this->private;
+ subvol = priv->children[subvol_idx];
+
+ args.frame = afr_copy_frame(frame);
+ if (!args.frame)
+ goto out;
+ args.xl = this;
+ /* args.heal_fd represents the fd associated with the original directory
+ * on which entry heal is being attempted.
+ */
+ args.heal_fd = fd;
+
+ /* @subvol here represents the subvolume of AFR where
+ * indices/entry-changes/<pargfid> will be processed
+ */
+ loc.inode = afr_shd_entry_changes_index_inode(this, subvol,
+ fd->inode->gfid);
+ if (!loc.inode) {
+ /* If granular heal failed on the sink (as it might sometimes
+ * because it is the src that would mostly contain the granular
+ * changelogs and the sink's entry-changes would be empty),
+ * do not treat heal as failure.
+ */
+ if (is_src)
+ ret = -errno;
+ else
+ ret = 0;
+ goto out;
+ }
- loc_wipe (&loc);
+ ret = syncop_dir_scan(subvol, &loc, GF_CLIENT_PID_SELF_HEALD, &args,
+ afr_selfheal_entry_granular_dirent);
- if (args.mismatch == _gf_true)
- ret = -1;
+ loc_wipe(&loc);
- return ret;
+ if (args.mismatch == _gf_true)
+ ret = -1;
+out:
+ if (args.frame)
+ AFR_STACK_DESTROY(args.frame);
+ return ret;
}
static int
-afr_selfheal_entry_do (call_frame_t *frame, xlator_t *this, fd_t *fd,
- int source, unsigned char *sources,
- unsigned char *healed_sinks)
+afr_selfheal_entry_do(call_frame_t *frame, xlator_t *this, fd_t *fd, int source,
+ unsigned char *sources, unsigned char *healed_sinks)
{
- int i = 0;
- int ret = 0;
- gf_boolean_t mismatch = _gf_false;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
-
- priv = this->private;
- local = frame->local;
-
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_SELF_HEAL_INFO, "performing entry selfheal on %s",
- uuid_utoa (fd->inode->gfid));
-
- for (i = 0; i < priv->child_count; i++) {
- /* Expunge */
- if (!healed_sinks[i])
- continue;
-
- if (!local->need_full_crawl)
- /* Why call afr_selfheal_entry_granular() on a "healed sink",
- * given that it is the source that contains the granular
- * indices?
- * If the index for this directory is non-existent or empty on
- * this subvol (=> clear sink), then it will return early
- * without failure status.
- * If the index is non-empty and it is yet a 'healed sink', then
- * it is due to a split-brain in which case we anyway need to
- * crawl the indices/entry-changes/pargfid directory.
- */
- ret = afr_selfheal_entry_granular (frame, this, fd, i,
- _gf_false);
- else
- ret = afr_selfheal_entry_do_subvol (frame, this, fd, i);
-
- if (ret == -1) {
- /* gfid or type mismatch. */
- mismatch = _gf_true;
- ret = 0;
- }
- if (ret)
- break;
- }
-
- if (!ret && source != -1) {
- /* Impunge */
- if (local->need_full_crawl)
- ret = afr_selfheal_entry_do_subvol (frame, this, fd,
- source);
- else
- ret = afr_selfheal_entry_granular (frame, this, fd,
- source, _gf_true);
+ int i = 0;
+ int ret = 0;
+ gf_boolean_t mismatch = _gf_false;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
+ "performing entry selfheal on %s", uuid_utoa(fd->inode->gfid));
+
+ for (i = 0; i < priv->child_count; i++) {
+ /* Expunge */
+ if (!healed_sinks[i])
+ continue;
+
+ if (!local->need_full_crawl)
+ /* Why call afr_selfheal_entry_granular() on a "healed sink",
+ * given that it is the source that contains the granular
+ * indices?
+ * If the index for this directory is non-existent or empty on
+ * this subvol (=> clear sink), then it will return early
+ * without failure status.
+ * If the index is non-empty and it is yet a 'healed sink', then
+ * it is due to a split-brain in which case we anyway need to
+ * crawl the indices/entry-changes/pargfid directory.
+ */
+ ret = afr_selfheal_entry_granular(frame, this, fd, i, _gf_false);
+ else
+ ret = afr_selfheal_entry_do_subvol(frame, this, fd, i);
+
+ if (ret == -1) {
+ /* gfid or type mismatch. */
+ mismatch = _gf_true;
+ ret = 0;
}
+ if (ret)
+ break;
+ }
- if (mismatch == _gf_true)
- /* undo pending will be skipped */
- ret = -1;
- return ret;
+ if (!ret && source != -1) {
+ /* Impunge */
+ if (local->need_full_crawl)
+ ret = afr_selfheal_entry_do_subvol(frame, this, fd, source);
+ else
+ ret = afr_selfheal_entry_granular(frame, this, fd, source,
+ _gf_true);
+ }
+
+ if (mismatch == _gf_true)
+ /* undo pending will be skipped */
+ ret = -1;
+ return ret;
}
static int
-__afr_selfheal_entry (call_frame_t *frame, xlator_t *this, fd_t *fd,
- unsigned char *locked_on)
+__afr_selfheal_entry(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ unsigned char *locked_on)
{
- int ret = -1;
- int source = -1;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *data_lock = NULL;
- unsigned char *postop_lock = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *undid_pending = NULL;
- struct afr_reply *locked_replies = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- gf_boolean_t did_sh = _gf_true;
-
- priv = this->private;
- local = frame->local;
-
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- undid_pending = alloca0 (priv->child_count);
- data_lock = alloca0 (priv->child_count);
- postop_lock = alloca0 (priv->child_count);
-
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- ret = afr_selfheal_entrylk (frame, this, fd->inode, this->name, NULL,
- data_lock);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS) {
- gf_msg_debug (this->name, 0, "%s: Skipping "
- "entry self-heal as only %d sub-volumes could "
- "be locked in %s domain",
- uuid_utoa (fd->inode->gfid), ret,
- this->name);
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_entry_prepare (frame, this, fd->inode,
- data_lock, sources, sinks,
- healed_sinks,
- locked_replies, &source,
- NULL);
- if (AFR_COUNT(healed_sinks, priv->child_count) == 0) {
- did_sh = _gf_false;
- goto unlock;
- }
-
- local->need_full_crawl = afr_need_full_heal (this,
- locked_replies,
- source,
- healed_sinks,
- AFR_ENTRY_TRANSACTION);
- }
-unlock:
- afr_selfheal_unentrylk (frame, this, fd->inode, this->name, NULL,
- data_lock, NULL);
- if (ret < 0)
- goto out;
+ int ret = -1;
+ int source = -1;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *data_lock = NULL;
+ unsigned char *postop_lock = NULL;
+ unsigned char *healed_sinks = NULL;
+ unsigned char *undid_pending = NULL;
+ struct afr_reply *locked_replies = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t did_sh = _gf_true;
+
+ priv = this->private;
+ local = frame->local;
+
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ healed_sinks = alloca0(priv->child_count);
+ undid_pending = alloca0(priv->child_count);
+ data_lock = alloca0(priv->child_count);
+ postop_lock = alloca0(priv->child_count);
+
+ locked_replies = alloca0(sizeof(*locked_replies) * priv->child_count);
+
+ ret = afr_selfheal_entrylk(frame, this, fd->inode, this->name, NULL,
+ data_lock);
+ {
+ if (ret < priv->child_count) {
+ gf_msg_debug(this->name, 0,
+ "%s: Skipping "
+ "entry self-heal as only %d sub-volumes could "
+ "be locked in %s domain",
+ uuid_utoa(fd->inode->gfid), ret, this->name);
+ ret = -ENOTCONN;
+ goto unlock;
+ }
- if (!did_sh)
- goto out;
+ ret = __afr_selfheal_entry_prepare(frame, this, fd->inode, data_lock,
+ sources, sinks, healed_sinks,
+ locked_replies, &source, NULL);
+ if (AFR_COUNT(healed_sinks, priv->child_count) == 0) {
+ did_sh = _gf_false;
+ goto unlock;
+ }
- ret = afr_selfheal_entry_do (frame, this, fd, source, sources,
- healed_sinks);
- if (ret)
- goto out;
-
- /* Take entrylks in xlator domain before doing post-op (undo-pending) in
- * entry self-heal. This is to prevent a parallel name self-heal on
- * an entry under @fd->inode from reading pending xattrs while it is
- * being modified by SHD after entry sh below, given that
- * name self-heal takes locks ONLY in xlator domain and is free to read
- * pending changelog in the absence of the following locking.
- */
- ret = afr_selfheal_entrylk (frame, this, fd->inode, this->name, NULL,
- postop_lock);
- {
- if (AFR_CMP (data_lock, postop_lock, priv->child_count) != 0) {
- gf_msg_debug (this->name, 0, "%s: Skipping "
- "post-op after entry self-heal as %d "
- "sub-volumes, as opposed to %d, "
- "could be locked in %s domain",
- uuid_utoa (fd->inode->gfid),
- ret, AFR_COUNT (data_lock,
- priv->child_count), this->name);
- ret = -ENOTCONN;
- goto postop_unlock;
- }
-
- ret = afr_selfheal_undo_pending (frame, this, fd->inode,
- sources, sinks, healed_sinks,
- undid_pending,
- AFR_ENTRY_TRANSACTION,
- locked_replies, postop_lock);
+ local->need_full_crawl = afr_need_full_heal(
+ this, locked_replies, source, healed_sinks, AFR_ENTRY_TRANSACTION);
+ }
+unlock:
+ afr_selfheal_unentrylk(frame, this, fd->inode, this->name, NULL, data_lock,
+ NULL);
+ if (ret < 0)
+ goto out;
+
+ if (!did_sh)
+ goto out;
+
+ ret = afr_selfheal_entry_do(frame, this, fd, source, sources, healed_sinks);
+ if (ret)
+ goto out;
+
+ /* Take entrylks in xlator domain before doing post-op (undo-pending) in
+ * entry self-heal. This is to prevent a parallel name self-heal on
+ * an entry under @fd->inode from reading pending xattrs while it is
+ * being modified by SHD after entry sh below, given that
+ * name self-heal takes locks ONLY in xlator domain and is free to read
+ * pending changelog in the absence of the following locking.
+ */
+ ret = afr_selfheal_entrylk(frame, this, fd->inode, this->name, NULL,
+ postop_lock);
+ {
+ if (AFR_CMP(data_lock, postop_lock, priv->child_count) != 0) {
+ gf_msg_debug(this->name, 0,
+ "%s: Skipping "
+ "post-op after entry self-heal as %d "
+ "sub-volumes, as opposed to %d, "
+ "could be locked in %s domain",
+ uuid_utoa(fd->inode->gfid), ret,
+ AFR_COUNT(data_lock, priv->child_count), this->name);
+ ret = -ENOTCONN;
+ goto postop_unlock;
}
+
+ afr_selfheal_restore_time(frame, this, fd->inode, source, healed_sinks,
+ locked_replies);
+ ret = afr_selfheal_undo_pending(
+ frame, this, fd->inode, sources, sinks, healed_sinks, undid_pending,
+ AFR_ENTRY_TRANSACTION, locked_replies, postop_lock);
+ }
postop_unlock:
- afr_selfheal_unentrylk (frame, this, fd->inode, this->name, NULL,
- postop_lock, NULL);
+ afr_selfheal_unentrylk(frame, this, fd->inode, this->name, NULL,
+ postop_lock, NULL);
out:
- if (did_sh)
- afr_log_selfheal (fd->inode->gfid, this, ret, "entry", source,
- sources, healed_sinks);
- else
- ret = 1;
-
- if (locked_replies)
- afr_replies_wipe (locked_replies, priv->child_count);
- return ret;
+ if (did_sh)
+ afr_log_selfheal(fd->inode->gfid, this, ret, "entry", source, sources,
+ healed_sinks);
+ else
+ ret = 1;
+
+ if (locked_replies)
+ afr_replies_wipe(locked_replies, priv->child_count);
+ return ret;
}
-
static fd_t *
-afr_selfheal_data_opendir (xlator_t *this, inode_t *inode)
+afr_selfheal_data_opendir(xlator_t *this, inode_t *inode)
{
- loc_t loc = {0,};
- int ret = 0;
- fd_t *fd = NULL;
-
- fd = fd_create (inode, 0);
- if (!fd)
- return NULL;
-
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
-
- ret = syncop_opendir (this, &loc, fd, NULL, NULL);
- if (ret) {
- fd_unref (fd);
- fd = NULL;
- } else {
- fd_bind (fd);
- }
-
- loc_wipe (&loc);
- return fd;
+ loc_t loc = {
+ 0,
+ };
+ int ret = 0;
+ fd_t *fd = NULL;
+
+ fd = fd_create(inode, 0);
+ if (!fd)
+ return NULL;
+
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
+
+ ret = syncop_opendir(this, &loc, fd, NULL, NULL);
+ if (ret) {
+ fd_unref(fd);
+ fd = NULL;
+ } else {
+ fd_bind(fd);
+ }
+
+ loc_wipe(&loc);
+ return fd;
}
-
int
-afr_selfheal_entry (call_frame_t *frame, xlator_t *this, inode_t *inode)
+afr_selfheal_entry(call_frame_t *frame, xlator_t *this, inode_t *inode)
{
- afr_private_t *priv = NULL;
- unsigned char *locked_on = NULL;
- fd_t *fd = NULL;
- int ret = 0;
-
- priv = this->private;
-
- fd = afr_selfheal_data_opendir (this, inode);
- if (!fd)
- return -EIO;
-
- locked_on = alloca0 (priv->child_count);
-
- ret = afr_selfheal_tie_breaker_entrylk (frame, this, inode,
- priv->sh_domain, NULL,
- locked_on);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS) {
- gf_msg_debug (this->name, 0, "%s: Skipping "
- "entry self-heal as only %d sub-volumes could "
- "be locked in %s domain",
- uuid_utoa (fd->inode->gfid), ret,
- priv->sh_domain);
- /* Either less than two subvols available, or another
- selfheal (from another server) is in progress. Skip
- for now in any case there isn't anything to do.
- */
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_entry (frame, this, fd, locked_on);
- }
+ afr_private_t *priv = NULL;
+ unsigned char *locked_on = NULL;
+ fd_t *fd = NULL;
+ int ret = 0;
+
+ priv = this->private;
+
+ fd = afr_selfheal_data_opendir(this, inode);
+ if (!fd)
+ return -EIO;
+
+ locked_on = alloca0(priv->child_count);
+
+ ret = afr_selfheal_tie_breaker_entrylk(frame, this, inode, priv->sh_domain,
+ NULL, locked_on);
+ {
+ if (ret < priv->child_count) {
+ gf_msg_debug(this->name, 0,
+ "%s: Skipping "
+ "entry self-heal as only %d sub-volumes could "
+ "be locked in %s domain",
+ uuid_utoa(fd->inode->gfid), ret, priv->sh_domain);
+ /* Either less than two subvols available, or another
+ selfheal (from another server) is in progress. Skip
+ for now in any case there isn't anything to do.
+ */
+ ret = -ENOTCONN;
+ goto unlock;
+ }
+
+ ret = __afr_selfheal_entry(frame, this, fd, locked_on);
+ }
unlock:
- afr_selfheal_unentrylk (frame, this, inode, priv->sh_domain, NULL,
- locked_on, NULL);
+ afr_selfheal_unentrylk(frame, this, inode, priv->sh_domain, NULL, locked_on,
+ NULL);
- if (fd)
- fd_unref (fd);
+ if (fd)
+ fd_unref(fd);
- return ret;
+ return ret;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-metadata.c b/xlators/cluster/afr/src/afr-self-heal-metadata.c
index 199f8961480..03f43bad16e 100644
--- a/xlators/cluster/afr/src/afr-self-heal-metadata.c
+++ b/xlators/cluster/afr/src/afr-self-heal-metadata.c
@@ -8,109 +8,108 @@
cases as published by the Free Software Foundation.
*/
-
#include "afr.h"
#include "afr-self-heal.h"
-#include "byte-order.h"
+#include <glusterfs/byte-order.h>
#include "protocol-common.h"
-#include "events.h"
+#include <glusterfs/events.h>
-#define AFR_HEAL_ATTR (GF_SET_ATTR_UID|GF_SET_ATTR_GID|GF_SET_ATTR_MODE)
+#define AFR_HEAL_ATTR (GF_SET_ATTR_UID | GF_SET_ATTR_GID | GF_SET_ATTR_MODE)
static gf_boolean_t
-_afr_ignorable_key_match (dict_t *d, char *k, data_t *val, void *mdata)
+_afr_ignorable_key_match(dict_t *d, char *k, data_t *val, void *mdata)
{
- return afr_is_xattr_ignorable (k);
+ return afr_is_xattr_ignorable(k);
}
void
-afr_delete_ignorable_xattrs (dict_t *xattr)
+afr_delete_ignorable_xattrs(dict_t *xattr)
{
- dict_foreach_match (xattr, _afr_ignorable_key_match, NULL,
- dict_remove_foreach_fn, NULL);
+ dict_foreach_match(xattr, _afr_ignorable_key_match, NULL,
+ dict_remove_foreach_fn, NULL);
}
int
-__afr_selfheal_metadata_do (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int source, unsigned char *healed_sinks,
- struct afr_reply *locked_replies)
+__afr_selfheal_metadata_do(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int source, unsigned char *healed_sinks,
+ struct afr_reply *locked_replies)
{
- int ret = -1;
- loc_t loc = {0,};
- dict_t *xattr = NULL;
- dict_t *old_xattr = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
-
- priv = this->private;
-
- loc.inode = inode_ref (inode);
- gf_uuid_copy (loc.gfid, inode->gfid);
-
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_SELF_HEAL_INFO, "performing metadata selfheal on %s",
- uuid_utoa (inode->gfid));
-
- ret = syncop_getxattr (priv->children[source], &loc, &xattr, NULL,
- NULL, NULL);
- if (ret < 0) {
- ret = -EIO;
- goto out;
- }
-
- afr_delete_ignorable_xattrs (xattr);
-
- for (i = 0; i < priv->child_count; i++) {
- if (old_xattr) {
- dict_unref (old_xattr);
- old_xattr = NULL;
- }
-
- if (!healed_sinks[i])
- continue;
-
- ret = syncop_setattr (priv->children[i], &loc,
- &locked_replies[source].poststat,
- AFR_HEAL_ATTR, NULL, NULL, NULL, NULL);
- if (ret)
- healed_sinks[i] = 0;
-
- ret = syncop_getxattr (priv->children[i], &loc, &old_xattr, 0,
- NULL, NULL);
- if (old_xattr) {
- afr_delete_ignorable_xattrs (old_xattr);
- ret = syncop_removexattr (priv->children[i], &loc, "",
- old_xattr, NULL);
- if (ret)
- healed_sinks[i] = 0;
- }
-
- ret = syncop_setxattr (priv->children[i], &loc, xattr, 0, NULL,
- NULL);
- if (ret)
- healed_sinks[i] = 0;
- }
- ret = 0;
+ int ret = -1;
+ loc_t loc = {
+ 0,
+ };
+ dict_t *xattr = NULL;
+ dict_t *old_xattr = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+
+ priv = this->private;
+
+ loc.inode = inode_ref(inode);
+ gf_uuid_copy(loc.gfid, inode->gfid);
+
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
+ "performing metadata selfheal on %s", uuid_utoa(inode->gfid));
+
+ ret = syncop_getxattr(priv->children[source], &loc, &xattr, NULL, NULL,
+ NULL);
+ if (ret < 0) {
+ ret = -EIO;
+ goto out;
+ }
+
+ afr_delete_ignorable_xattrs(xattr);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (old_xattr) {
+ dict_unref(old_xattr);
+ old_xattr = NULL;
+ }
+
+ if (!healed_sinks[i])
+ continue;
+
+ ret = syncop_setattr(priv->children[i], &loc,
+ &locked_replies[source].poststat, AFR_HEAL_ATTR,
+ NULL, NULL, NULL, NULL);
+ if (ret)
+ healed_sinks[i] = 0;
+
+ ret = syncop_getxattr(priv->children[i], &loc, &old_xattr, 0, NULL,
+ NULL);
+ if (old_xattr) {
+ afr_delete_ignorable_xattrs(old_xattr);
+ ret = syncop_removexattr(priv->children[i], &loc, "", old_xattr,
+ NULL);
+ if (ret)
+ healed_sinks[i] = 0;
+ }
+
+ ret = syncop_setxattr(priv->children[i], &loc, xattr, 0, NULL, NULL);
+ if (ret)
+ healed_sinks[i] = 0;
+ }
+ ret = 0;
out:
- loc_wipe (&loc);
- if (xattr)
- dict_unref (xattr);
- if (old_xattr)
- dict_unref (old_xattr);
+ loc_wipe(&loc);
+ if (xattr)
+ dict_unref(xattr);
+ if (old_xattr)
+ dict_unref(old_xattr);
- return ret;
+ return ret;
}
static uint64_t
mtime_ns(struct iatt *ia)
{
- uint64_t ret;
+ uint64_t ret;
- ret = (((uint64_t)(ia->ia_mtime)) * 1000000000)
- + (uint64_t)(ia->ia_mtime_nsec);
+ ret = (((uint64_t)(ia->ia_mtime)) * 1000000000) +
+ (uint64_t)(ia->ia_mtime_nsec);
- return ret;
+ return ret;
}
/*
@@ -123,382 +122,425 @@ mtime_ns(struct iatt *ia)
* the source with the most recent modification date.
*/
static int
-afr_dirtime_splitbrain_source (call_frame_t *frame, xlator_t *this,
- struct afr_reply *replies,
- unsigned char *locked_on)
+afr_dirtime_splitbrain_source(call_frame_t *frame, xlator_t *this,
+ struct afr_reply *replies,
+ unsigned char *locked_on)
{
- afr_private_t *priv = NULL;
- int source = -1;
- struct iatt source_ia;
- struct iatt child_ia;
- uint64_t mtime = 0;
- int i;
- int ret = -1;
-
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!locked_on[i])
- continue;
-
- if (!replies[i].valid)
- continue;
-
- if (replies[i].op_ret != 0)
- continue;
-
- if (mtime_ns(&replies[i].poststat) <= mtime)
- continue;
+ afr_private_t *priv = NULL;
+ int source = -1;
+ struct iatt source_ia;
+ struct iatt child_ia;
+ uint64_t mtime = 0;
+ int i;
+ int ret = -1;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!locked_on[i])
+ continue;
+
+ if (!replies[i].valid)
+ continue;
+
+ if (replies[i].op_ret != 0)
+ continue;
+
+ if (mtime_ns(&replies[i].poststat) <= mtime)
+ continue;
+
+ mtime = mtime_ns(&replies[i].poststat);
+ source = i;
+ }
+
+ if (source == -1)
+ goto out;
+
+ source_ia = replies[source].poststat;
+ if (source_ia.ia_type != IA_IFDIR)
+ goto out;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (i == source)
+ continue;
+
+ if (!replies[i].valid)
+ continue;
+
+ if (replies[i].op_ret != 0)
+ continue;
+
+ child_ia = replies[i].poststat;
+
+ if (!IA_EQUAL(source_ia, child_ia, gfid) ||
+ !IA_EQUAL(source_ia, child_ia, type) ||
+ !IA_EQUAL(source_ia, child_ia, prot) ||
+ !IA_EQUAL(source_ia, child_ia, uid) ||
+ !IA_EQUAL(source_ia, child_ia, gid) ||
+ !afr_xattrs_are_equal(replies[source].xdata, replies[i].xdata))
+ goto out;
+ }
+
+ /*
+ * Metadata split brain is just about [amc]time
+ * We return our source.
+ */
+ ret = source;
+out:
+ return ret;
+}
- mtime = mtime_ns(&replies[i].poststat);
- source = i;
+static int
+__afr_selfheal_metadata_mark_pending_xattrs(call_frame_t *frame, xlator_t *this,
+ inode_t *inode,
+ struct afr_reply *replies,
+ unsigned char *sources)
+{
+ int ret = 0;
+ int i = 0;
+ int m_idx = 0;
+ afr_private_t *priv = NULL;
+ int raw[AFR_NUM_CHANGE_LOGS] = {0};
+ dict_t *xattr = NULL;
+
+ priv = this->private;
+ m_idx = afr_index_for_transaction_type(AFR_METADATA_TRANSACTION);
+ raw[m_idx] = 1;
+
+ xattr = dict_new();
+ if (!xattr)
+ return -ENOMEM;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i])
+ continue;
+ ret = dict_set_static_bin(xattr, priv->pending_key[i], raw,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret) {
+ ret = -1;
+ goto out;
}
-
- if (source == -1)
- goto out;
-
- source_ia = replies[source].poststat;
- if (source_ia.ia_type != IA_IFDIR)
- goto out;
-
- for (i = 0; i < priv->child_count; i++) {
- if (i == source)
- continue;
-
- if (!replies[i].valid)
- continue;
-
- if (replies[i].op_ret != 0)
- continue;
-
- child_ia = replies[i].poststat;
-
- if (!IA_EQUAL(source_ia, child_ia, gfid) ||
- !IA_EQUAL(source_ia, child_ia, type) ||
- !IA_EQUAL(source_ia, child_ia, prot) ||
- !IA_EQUAL(source_ia, child_ia, uid) ||
- !IA_EQUAL(source_ia, child_ia, gid) ||
- !afr_xattrs_are_equal (replies[source].xdata,
- replies[i].xdata))
- goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
+ ret = afr_selfheal_post_op(frame, this, inode, i, xattr, NULL);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_INFO, -ret, AFR_MSG_SELF_HEAL_INFO,
+ "Failed to set pending metadata xattr on child %d for %s", i,
+ uuid_utoa(inode->gfid));
+ goto out;
}
+ }
+
+ afr_replies_wipe(replies, priv->child_count);
+ ret = afr_selfheal_unlocked_discover(frame, inode, inode->gfid, replies);
- /*
- * Metadata split brain is just about [amc]time
- * We return our source.
- */
- ret = source;
out:
- return ret;
+ if (xattr)
+ dict_unref(xattr);
+ return ret;
}
-
/*
* Look for mismatching uid/gid or mode or user xattrs even if
* AFR xattrs don't say so, and pick one arbitrarily as winner. */
static int
-__afr_selfheal_metadata_finalize_source (call_frame_t *frame, xlator_t *this,
- inode_t *inode,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *undid_pending,
- unsigned char *locked_on,
- struct afr_reply *replies)
+__afr_selfheal_metadata_finalize_source(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, unsigned char *sources,
+ unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ unsigned char *locked_on,
+ struct afr_reply *replies)
{
- int i = 0;
- afr_private_t *priv = NULL;
- struct iatt srcstat = {0, };
- int source = -1;
- int sources_count = 0;
-
- priv = this->private;
-
- sources_count = AFR_COUNT (sources, priv->child_count);
-
- if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
- || !sources_count) {
-
- source = afr_mark_split_brain_source_sinks (frame, this, inode,
- sources, sinks,
- healed_sinks,
- locked_on, replies,
- AFR_METADATA_TRANSACTION);
- if (source >= 0) {
- _afr_fav_child_reset_sink_xattrs (frame, this, inode,
- source, healed_sinks,
- undid_pending,
- AFR_METADATA_TRANSACTION,
- locked_on, replies);
- goto out;
- }
-
- /* If this is a directory mtime/ctime only split brain
- use the most recent */
- source = afr_dirtime_splitbrain_source (frame, this,
- replies, locked_on);
- if (source != -1) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_SPLIT_BRAIN, "clear time "
- "split brain on %s",
- uuid_utoa (replies[source].poststat.ia_gfid));
- sources[source] = 1;
- healed_sinks[source] = 0;
- goto out;
- }
-
- if (!priv->metadata_splitbrain_forced_heal) {
- gf_event (EVENT_AFR_SPLIT_BRAIN, "subvol=%s;"
- "type=metadata;file=%s",
- this->name, uuid_utoa(inode->gfid));
- return -EIO;
- }
-
- /* Metadata split brain, select one subvol
- arbitrarily */
- for (i = 0; i < priv->child_count; i++) {
- if (locked_on[i] && healed_sinks[i]) {
- sources[i] = 1;
- healed_sinks[i] = 0;
- break;
- }
- }
- }
-
- /* No split brain at this point. If we were called from
- * afr_heal_splitbrain_file(), abort.*/
- if (afr_dict_contains_heal_op(frame))
- return -EIO;
-
- source = afr_choose_source_by_policy (priv, sources,
- AFR_METADATA_TRANSACTION);
- srcstat = replies[source].poststat;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i] || i == source)
- continue;
- if (!IA_EQUAL (srcstat, replies[i].poststat, type) ||
- !IA_EQUAL (srcstat, replies[i].poststat, uid) ||
- !IA_EQUAL (srcstat, replies[i].poststat, gid) ||
- !IA_EQUAL (srcstat, replies[i].poststat, prot)) {
- gf_msg_debug (this->name, 0, "%s: iatt mismatch "
- "for source(%d) vs (%d)",
- uuid_utoa
- (replies[source].poststat.ia_gfid),
- source, i);
- sources[i] = 0;
- healed_sinks[i] = 1;
- }
- }
-
- for (i =0; i < priv->child_count; i++) {
- if (!sources[i] || i == source)
- continue;
- if (!afr_xattrs_are_equal (replies[source].xdata,
- replies[i].xdata)) {
- gf_msg_debug (this->name, 0, "%s: xattr mismatch "
- "for source(%d) vs (%d)",
- uuid_utoa
- (replies[source].poststat.ia_gfid),
- source, i);
- sources[i] = 0;
- healed_sinks[i] = 1;
- }
+ int i = 0;
+ afr_private_t *priv = NULL;
+ struct iatt srcstat = {
+ 0,
+ };
+ int source = -1;
+ int sources_count = 0;
+ int ret = 0;
+
+ priv = this->private;
+
+ sources_count = AFR_COUNT(sources, priv->child_count);
+
+ if ((AFR_CMP(locked_on, healed_sinks, priv->child_count) == 0) ||
+ !sources_count) {
+ source = afr_mark_split_brain_source_sinks(
+ frame, this, inode, sources, sinks, healed_sinks, locked_on,
+ replies, AFR_METADATA_TRANSACTION);
+ if (source >= 0) {
+ _afr_fav_child_reset_sink_xattrs(
+ frame, this, inode, source, healed_sinks, undid_pending,
+ AFR_METADATA_TRANSACTION, locked_on, replies);
+ goto out;
+ }
+
+ /* If this is a directory mtime/ctime only split brain
+ use the most recent */
+ source = afr_dirtime_splitbrain_source(frame, this, replies, locked_on);
+ if (source != -1) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SPLIT_BRAIN,
+ "clear time "
+ "split brain on %s",
+ uuid_utoa(replies[source].poststat.ia_gfid));
+ sources[source] = 1;
+ healed_sinks[source] = 0;
+ goto out;
+ }
+
+ if (!priv->metadata_splitbrain_forced_heal) {
+ gf_event(EVENT_AFR_SPLIT_BRAIN,
+ "client-pid=%d;"
+ "subvol=%s;"
+ "type=metadata;file=%s",
+ this->ctx->cmd_args.client_pid, this->name,
+ uuid_utoa(inode->gfid));
+ return -EIO;
}
+ /* Metadata split brain, select one subvol
+ arbitrarily */
+ for (i = 0; i < priv->child_count; i++) {
+ if (locked_on[i] && healed_sinks[i]) {
+ sources[i] = 1;
+ healed_sinks[i] = 0;
+ break;
+ }
+ }
+ }
+
+ /* No split brain at this point. If we were called from
+ * afr_heal_splitbrain_file(), abort.*/
+ if (afr_dict_contains_heal_op(frame))
+ return -EIO;
+
+ source = afr_choose_source_by_policy(priv, sources,
+ AFR_METADATA_TRANSACTION);
+ srcstat = replies[source].poststat;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i] || i == source)
+ continue;
+ if (!IA_EQUAL(srcstat, replies[i].poststat, type) ||
+ !IA_EQUAL(srcstat, replies[i].poststat, uid) ||
+ !IA_EQUAL(srcstat, replies[i].poststat, gid) ||
+ !IA_EQUAL(srcstat, replies[i].poststat, prot)) {
+ gf_msg_debug(this->name, 0,
+ "%s: iatt mismatch "
+ "for source(%d) vs (%d)",
+ uuid_utoa(replies[source].poststat.ia_gfid), source,
+ i);
+ sources[i] = 0;
+ healed_sinks[i] = 1;
+ }
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i] || i == source)
+ continue;
+ if (!afr_xattrs_are_equal(replies[source].xdata, replies[i].xdata)) {
+ gf_msg_debug(this->name, 0,
+ "%s: xattr mismatch "
+ "for source(%d) vs (%d)",
+ uuid_utoa(replies[source].poststat.ia_gfid), source,
+ i);
+ sources[i] = 0;
+ healed_sinks[i] = 1;
+ }
+ }
+ if ((sources_count == priv->child_count) && (source > -1) &&
+ (AFR_COUNT(healed_sinks, priv->child_count) != 0)) {
+ ret = __afr_selfheal_metadata_mark_pending_xattrs(frame, this, inode,
+ replies, sources);
+ if (ret < 0)
+ return ret;
+ }
out:
- afr_mark_active_sinks (this, sources, locked_on, healed_sinks);
- return source;
+ afr_mark_active_sinks(this, sources, locked_on, healed_sinks);
+ return source;
}
-
int
-__afr_selfheal_metadata_prepare (call_frame_t *frame, xlator_t *this, inode_t *inode,
- unsigned char *locked_on, unsigned char *sources,
- unsigned char *sinks, unsigned char *healed_sinks,
- unsigned char *undid_pending,
- struct afr_reply *replies, gf_boolean_t *pflag)
+__afr_selfheal_metadata_prepare(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ struct afr_reply *replies, unsigned char *pflag)
{
- int ret = -1;
- int source = -1;
- afr_private_t *priv = NULL;
- int i = 0;
- uint64_t *witness = NULL;
+ int ret = -1;
+ int source = -1;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ uint64_t *witness = NULL;
- priv = this->private;
+ priv = this->private;
- ret = afr_selfheal_unlocked_discover (frame, inode, inode->gfid,
- replies);
- if (ret)
- return ret;
-
- witness = alloca0 (sizeof (*witness) * priv->child_count);
- ret = afr_selfheal_find_direction (frame, this, replies,
- AFR_METADATA_TRANSACTION,
- locked_on, sources, sinks, witness,
- pflag);
- if (ret)
- return ret;
-
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
-
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
-
- /* If any source has witness, pick first
- * witness source and make everybody else sinks */
- for (i = 0; i < priv->child_count; i++) {
- if (sources[i] && witness[i]) {
- source = i;
- break;
- }
- }
+ ret = afr_selfheal_unlocked_discover(frame, inode, inode->gfid, replies);
+ if (ret)
+ return ret;
- if (source != -1) {
- for (i = 0; i < priv->child_count; i++) {
- if (i != source && sources[i]) {
- sources[i] = 0;
- healed_sinks[i] = 1;
- }
- }
+ witness = alloca0(sizeof(*witness) * priv->child_count);
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_METADATA_TRANSACTION, locked_on,
+ sources, sinks, witness, pflag);
+ if (ret)
+ return ret;
+
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
+
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT(healed_sinks, sinks, locked_on, priv->child_count);
+
+ /* If any source has witness, pick first
+ * witness source and make everybody else sinks */
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i] && witness[i]) {
+ source = i;
+ break;
}
+ }
- source = __afr_selfheal_metadata_finalize_source (frame, this, inode,
- sources, sinks,
- healed_sinks,
- undid_pending,
- locked_on, replies);
+ if (source != -1) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (i != source && sources[i]) {
+ sources[i] = 0;
+ healed_sinks[i] = 1;
+ }
+ }
+ }
- if (source < 0)
- return -EIO;
+ source = __afr_selfheal_metadata_finalize_source(
+ frame, this, inode, sources, sinks, healed_sinks, undid_pending,
+ locked_on, replies);
- return source;
-}
+ if (source < 0)
+ return -EIO;
-int
-afr_selfheal_metadata (call_frame_t *frame, xlator_t *this, inode_t *inode)
-{
- afr_private_t *priv = NULL;
- int ret = -1;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *data_lock = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *undid_pending = NULL;
- struct afr_reply *locked_replies = NULL;
- gf_boolean_t did_sh = _gf_true;
- int source = -1;
-
- priv = this->private;
-
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
- undid_pending = alloca0 (priv->child_count);
- data_lock = alloca0 (priv->child_count);
-
- locked_replies = alloca0 (sizeof (*locked_replies) * priv->child_count);
-
- ret = afr_selfheal_inodelk (frame, this, inode, this->name,
- LLONG_MAX - 1, 0, data_lock);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS) {
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_metadata_prepare (frame, this, inode,
- data_lock, sources,
- sinks, healed_sinks,
- undid_pending,
- locked_replies, NULL);
- if (ret < 0)
- goto unlock;
-
- source = ret;
-
- if (AFR_COUNT (healed_sinks, priv->child_count) == 0) {
- did_sh = _gf_false;
- goto unlock;
- }
-
- ret = __afr_selfheal_metadata_do (frame, this, inode, source,
- healed_sinks, locked_replies);
- if (ret)
- goto unlock;
-
- /* Restore atime/mtime for files that don't need data heal as
- * restoring timestamps happens only as a part of data-heal.
- */
- if (!IA_ISREG (locked_replies[source].poststat.ia_type))
- afr_selfheal_restore_time (frame, this, inode, source,
- healed_sinks, locked_replies);
-
- ret = afr_selfheal_undo_pending (frame, this, inode, sources,
- sinks, healed_sinks,
- undid_pending,
- AFR_METADATA_TRANSACTION,
- locked_replies, data_lock);
- }
-unlock:
- afr_selfheal_uninodelk (frame, this, inode, this->name,
- LLONG_MAX -1, 0, data_lock);
-
- if (did_sh)
- afr_log_selfheal (inode->gfid, this, ret, "metadata", source,
- sources, healed_sinks);
- else
- ret = 1;
-
- if (locked_replies)
- afr_replies_wipe (locked_replies, priv->child_count);
- return ret;
+ return source;
}
int
-afr_selfheal_metadata_by_stbuf (xlator_t *this, struct iatt *stbuf)
+afr_selfheal_metadata(call_frame_t *frame, xlator_t *this, inode_t *inode)
{
- inode_t *inode = NULL;
- inode_t *link_inode = NULL;
- call_frame_t *frame = NULL;
- int ret = 0;
-
- if (gf_uuid_is_null (stbuf->ia_gfid)) {
- ret = -EINVAL;
- goto out;
+ afr_private_t *priv = NULL;
+ int ret = -1;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *data_lock = NULL;
+ unsigned char *healed_sinks = NULL;
+ unsigned char *undid_pending = NULL;
+ struct afr_reply *locked_replies = NULL;
+ gf_boolean_t did_sh = _gf_true;
+ int source = -1;
+
+ priv = this->private;
+
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ healed_sinks = alloca0(priv->child_count);
+ undid_pending = alloca0(priv->child_count);
+ data_lock = alloca0(priv->child_count);
+
+ locked_replies = alloca0(sizeof(*locked_replies) * priv->child_count);
+
+ ret = afr_selfheal_inodelk(frame, this, inode, this->name, LLONG_MAX - 1, 0,
+ data_lock);
+ {
+ if (ret < priv->child_count) {
+ ret = -ENOTCONN;
+ goto unlock;
}
- inode = inode_new (this->itable);
- if (!inode) {
- ret = -ENOMEM;
- goto out;
- }
+ ret = __afr_selfheal_metadata_prepare(
+ frame, this, inode, data_lock, sources, sinks, healed_sinks,
+ undid_pending, locked_replies, NULL);
+ if (ret < 0)
+ goto unlock;
- link_inode = inode_link (inode, NULL, NULL, stbuf);
- if (!link_inode) {
- ret = -ENOMEM;
- goto out;
- }
+ source = ret;
- frame = afr_frame_create (this, &ret);
- if (!frame) {
- ret = -ret;
- goto out;
+ if (AFR_COUNT(healed_sinks, priv->child_count) == 0) {
+ did_sh = _gf_false;
+ goto unlock;
}
- ret = afr_selfheal_metadata (frame, this, link_inode);
+ ret = __afr_selfheal_metadata_do(frame, this, inode, source,
+ healed_sinks, locked_replies);
+ if (ret)
+ goto unlock;
+
+ afr_selfheal_restore_time(frame, this, inode, source, healed_sinks,
+ locked_replies);
+
+ ret = afr_selfheal_undo_pending(
+ frame, this, inode, sources, sinks, healed_sinks, undid_pending,
+ AFR_METADATA_TRANSACTION, locked_replies, data_lock);
+ }
+unlock:
+ afr_selfheal_uninodelk(frame, this, inode, this->name, LLONG_MAX - 1, 0,
+ data_lock);
+
+ if (did_sh)
+ afr_log_selfheal(inode->gfid, this, ret, "metadata", source, sources,
+ healed_sinks);
+ else
+ ret = 1;
+
+ if (locked_replies)
+ afr_replies_wipe(locked_replies, priv->child_count);
+ return ret;
+}
+
+int
+afr_selfheal_metadata_by_stbuf(xlator_t *this, struct iatt *stbuf)
+{
+ inode_t *inode = NULL;
+ inode_t *link_inode = NULL;
+ call_frame_t *frame = NULL;
+ int ret = 0;
+
+ if (gf_uuid_is_null(stbuf->ia_gfid)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ inode = inode_new(this->itable);
+ if (!inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ link_inode = inode_link(inode, NULL, NULL, stbuf);
+ if (!link_inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ frame = afr_frame_create(this, &ret);
+ if (!frame) {
+ ret = -ret;
+ goto out;
+ }
+
+ ret = afr_selfheal_metadata(frame, this, link_inode);
out:
- if (inode)
- inode_unref (inode);
- if (link_inode)
- inode_unref (link_inode);
- if (frame)
- AFR_STACK_DESTROY (frame);
- return ret;
+ if (inode)
+ inode_unref(inode);
+ if (link_inode)
+ inode_unref(link_inode);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ return ret;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-name.c b/xlators/cluster/afr/src/afr-self-heal-name.c
index bcd0e60c947..834aac86d48 100644
--- a/xlators/cluster/afr/src/afr-self-heal-name.c
+++ b/xlators/cluster/afr/src/afr-self-heal-name.c
@@ -8,690 +8,609 @@
cases as published by the Free Software Foundation.
*/
-
-#include "events.h"
+#include <glusterfs/events.h>
#include "afr.h"
#include "afr-self-heal.h"
#include "afr-messages.h"
int
-__afr_selfheal_assign_gfid (xlator_t *this, inode_t *parent, uuid_t pargfid,
- const char *bname, inode_t *inode,
- struct afr_reply *replies, void *gfid,
- unsigned char *locked_on, int source,
- unsigned char *sources, gf_boolean_t is_gfid_absent)
+__afr_selfheal_assign_gfid(xlator_t *this, inode_t *parent, uuid_t pargfid,
+ const char *bname, inode_t *inode,
+ struct afr_reply *replies, void *gfid,
+ unsigned char *locked_on, int source,
+ unsigned char *sources, gf_boolean_t is_gfid_absent,
+ int *gfid_idx)
{
- int ret = 0;
- int up_count = 0;
- int locked_count = 0;
- afr_private_t *priv = NULL;
+ int ret = 0;
+ int up_count = 0;
+ int locked_count = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- gf_uuid_copy (parent->gfid, pargfid);
+ gf_uuid_copy(parent->gfid, pargfid);
- if (is_gfid_absent) {
- /* Ensure all children of AFR are up before performing gfid heal, to
- * guard against the possibility of gfid split brain. */
+ if (is_gfid_absent) {
+ /* Ensure all children of AFR are up before performing gfid heal, to
+ * guard against the possibility of gfid split brain. */
- up_count = AFR_COUNT (priv->child_up, priv->child_count);
- if (up_count != priv->child_count) {
- ret = -EIO;
- goto out;
- }
+ up_count = AFR_COUNT(priv->child_up, priv->child_count);
+ if (up_count != priv->child_count) {
+ ret = -EIO;
+ goto out;
+ }
- locked_count = AFR_COUNT (locked_on, priv->child_count);
- if (locked_count != priv->child_count) {
- ret = -EIO;
- goto out;
- }
+ locked_count = AFR_COUNT(locked_on, priv->child_count);
+ if (locked_count != priv->child_count) {
+ ret = -EIO;
+ goto out;
}
+ }
- afr_lookup_and_heal_gfid (this, parent, bname, inode, replies, source,
- sources, gfid);
+ ret = afr_lookup_and_heal_gfid(this, parent, bname, inode, replies, source,
+ sources, gfid, gfid_idx);
out:
- return ret;
+ return ret;
}
int
-__afr_selfheal_name_impunge (call_frame_t *frame, xlator_t *this,
- inode_t *parent, uuid_t pargfid,
- const char *bname, inode_t *inode,
- struct afr_reply *replies, int gfid_idx)
+__afr_selfheal_name_impunge(call_frame_t *frame, xlator_t *this,
+ inode_t *parent, uuid_t pargfid, const char *bname,
+ inode_t *inode, struct afr_reply *replies,
+ int gfid_idx)
{
- int i = 0;
- afr_private_t *priv = NULL;
- int ret = 0;
- unsigned char *sources = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ int ret = 0;
+ unsigned char *sources = NULL;
- priv = this->private;
+ priv = this->private;
- sources = alloca0 (priv->child_count);
+ sources = alloca0(priv->child_count);
- gf_uuid_copy (parent->gfid, pargfid);
+ gf_uuid_copy(parent->gfid, pargfid);
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret != 0)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret != 0)
+ continue;
- if (gf_uuid_compare (replies[i].poststat.ia_gfid,
- replies[gfid_idx].poststat.ia_gfid) == 0) {
- sources[i] = 1;
- continue;
- }
+ if (gf_uuid_compare(replies[i].poststat.ia_gfid,
+ replies[gfid_idx].poststat.ia_gfid) == 0) {
+ sources[i] = 1;
+ continue;
}
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (sources[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i])
+ continue;
- ret |= afr_selfheal_recreate_entry (frame, i, gfid_idx, sources,
- parent, bname, inode,
- replies);
- }
+ ret |= afr_selfheal_recreate_entry(frame, i, gfid_idx, sources, parent,
+ bname, inode, replies);
+ }
- return ret;
+ return ret;
}
-
int
-__afr_selfheal_name_expunge (xlator_t *this, inode_t *parent, uuid_t pargfid,
- const char *bname, inode_t *inode,
- struct afr_reply *replies)
-{
- loc_t loc = {0, };
- int i = 0;
- afr_private_t *priv = NULL;
- char g[64];
- int ret = 0;
-
- priv = this->private;
-
- loc.parent = inode_ref (parent);
- gf_uuid_copy (loc.pargfid, pargfid);
- loc.name = bname;
- loc.inode = inode_ref (inode);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
-
- if (replies[i].op_ret)
- continue;
-
- switch (replies[i].poststat.ia_type) {
- case IA_IFDIR:
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_EXPUNGING_FILE_OR_DIR,
- "expunging dir %s/%s (%s) on %s",
- uuid_utoa (pargfid), bname,
- uuid_utoa_r (replies[i].poststat.ia_gfid, g),
- priv->children[i]->name);
-
- ret |= syncop_rmdir (priv->children[i], &loc, 1, NULL,
- NULL);
- break;
- default:
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_EXPUNGING_FILE_OR_DIR,
- "expunging file %s/%s (%s) on %s",
- uuid_utoa (pargfid), bname,
- uuid_utoa_r (replies[i].poststat.ia_gfid, g),
- priv->children[i]->name);
-
- ret |= syncop_unlink (priv->children[i], &loc, NULL,
- NULL);
- break;
- }
- }
-
- loc_wipe (&loc);
-
- return ret;
-
-}
-
-/* This function is to be called after ensuring that there is no gfid mismatch
- * for the inode across multiple sources
- */
-static int
-afr_selfheal_gfid_idx_get (xlator_t *this, struct afr_reply *replies,
- unsigned char *sources)
+__afr_selfheal_name_expunge(xlator_t *this, inode_t *parent, uuid_t pargfid,
+ const char *bname, inode_t *inode,
+ struct afr_reply *replies)
{
- int i = 0;
- int gfid_idx = -1;
- afr_private_t *priv = NULL;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ int ret = 0;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret != 0)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
- if (!sources[i])
- continue;
+ if (replies[i].op_ret)
+ continue;
- if (gf_uuid_is_null (replies[i].poststat.ia_gfid))
- continue;
+ ret |= afr_selfheal_entry_delete(this, parent, bname, inode, i,
+ replies);
+ }
- gfid_idx = i;
- break;
- }
- return gfid_idx;
+ return ret;
}
static gf_boolean_t
-afr_selfheal_name_need_heal_check (xlator_t *this, struct afr_reply *replies)
+afr_selfheal_name_need_heal_check(xlator_t *this, struct afr_reply *replies)
{
- int i = 0;
- int first_idx = -1;
- gf_boolean_t need_heal = _gf_false;
- afr_private_t *priv = NULL;
-
- priv = this->private;
+ int i = 0;
+ int first_idx = -1;
+ gf_boolean_t need_heal = _gf_false;
+ afr_private_t *priv = NULL;
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
+ priv = this->private;
- if ((replies[i].op_ret == -1) &&
- (replies[i].op_errno == ENODATA))
- need_heal = _gf_true;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
- if (first_idx == -1) {
- first_idx = i;
- continue;
- }
+ if ((replies[i].op_ret == -1) && (replies[i].op_errno == ENODATA))
+ need_heal = _gf_true;
- if (replies[i].op_ret != replies[first_idx].op_ret)
- need_heal = _gf_true;
+ if (first_idx == -1) {
+ first_idx = i;
+ continue;
+ }
- if (gf_uuid_compare (replies[i].poststat.ia_gfid,
- replies[first_idx].poststat.ia_gfid))
- need_heal = _gf_true;
+ if (replies[i].op_ret != replies[first_idx].op_ret)
+ need_heal = _gf_true;
- if ((replies[i].op_ret == 0) &&
- (gf_uuid_is_null(replies[i].poststat.ia_gfid)))
- need_heal = _gf_true;
+ if (gf_uuid_compare(replies[i].poststat.ia_gfid,
+ replies[first_idx].poststat.ia_gfid))
+ need_heal = _gf_true;
- }
+ if ((replies[i].op_ret == 0) &&
+ (gf_uuid_is_null(replies[i].poststat.ia_gfid)))
+ need_heal = _gf_true;
+ }
- return need_heal;
+ return need_heal;
}
static int
-afr_selfheal_name_type_mismatch_check (xlator_t *this, struct afr_reply *replies,
- int source, unsigned char *sources,
- uuid_t pargfid, const char *bname)
+afr_selfheal_name_type_mismatch_check(xlator_t *this, struct afr_reply *replies,
+ int source, unsigned char *sources,
+ uuid_t pargfid, const char *bname)
{
- int i = 0;
- int type_idx = -1;
- ia_type_t inode_type = IA_INVAL;
- ia_type_t inode_type1 = IA_INVAL;
- afr_private_t *priv = NULL;
+ int i = 0;
+ int type_idx = -1;
+ ia_type_t inode_type = IA_INVAL;
+ ia_type_t inode_type1 = IA_INVAL;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret != 0)
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret != 0)
+ continue;
- if (replies[i].poststat.ia_type == IA_INVAL)
- continue;
+ if (replies[i].poststat.ia_type == IA_INVAL)
+ continue;
- if (inode_type == IA_INVAL) {
- inode_type = replies[i].poststat.ia_type;
- type_idx = i;
- continue;
- }
- inode_type1 = replies[i].poststat.ia_type;
- if (sources[i] || source == -1) {
- if ((sources[type_idx] || source == -1) &&
- (inode_type != inode_type1)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_SPLIT_BRAIN,
- "Type mismatch for <gfid:%s>/%s: "
- "%s on %s and %s on %s",
- uuid_utoa(pargfid), bname,
- gf_inode_type_to_str (inode_type1),
- priv->children[i]->name,
- gf_inode_type_to_str (inode_type),
- priv->children[type_idx]->name);
- gf_event (EVENT_AFR_SPLIT_BRAIN,
- "subvol=%s;type=file;"
- "file=<gfid:%s>/%s;count=2;"
- "child-%d=%s;type-%d=%s;child-%d=%s;"
- "type-%d=%s", this->name,
- uuid_utoa (pargfid), bname, i,
- priv->children[i]->name, i,
- gf_inode_type_to_str (inode_type1),
- type_idx,
- priv->children[type_idx]->name,
- type_idx,
- gf_inode_type_to_str (inode_type));
- return -EIO;
- }
- inode_type = replies[i].poststat.ia_type;
- type_idx = i;
- }
+ if (inode_type == IA_INVAL) {
+ inode_type = replies[i].poststat.ia_type;
+ type_idx = i;
+ continue;
}
- return 0;
+ inode_type1 = replies[i].poststat.ia_type;
+ if (sources[i] || source == -1) {
+ if ((sources[type_idx] || source == -1) &&
+ (inode_type != inode_type1)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_SPLIT_BRAIN,
+ "Type mismatch for <gfid:%s>/%s: "
+ "%s on %s and %s on %s",
+ uuid_utoa(pargfid), bname,
+ gf_inode_type_to_str(inode_type1),
+ priv->children[i]->name,
+ gf_inode_type_to_str(inode_type),
+ priv->children[type_idx]->name);
+ gf_event(EVENT_AFR_SPLIT_BRAIN,
+ "client-pid=%d;"
+ "subvol=%s;type=file;"
+ "file=<gfid:%s>/%s;count=2;"
+ "child-%d=%s;type-%d=%s;child-%d=%s;"
+ "type-%d=%s",
+ this->ctx->cmd_args.client_pid, this->name,
+ uuid_utoa(pargfid), bname, i, priv->children[i]->name,
+ i, gf_inode_type_to_str(inode_type1), type_idx,
+ priv->children[type_idx]->name, type_idx,
+ gf_inode_type_to_str(inode_type));
+ return -EIO;
+ }
+ inode_type = replies[i].poststat.ia_type;
+ type_idx = i;
+ }
+ }
+ return 0;
}
static int
-afr_selfheal_name_gfid_mismatch_check (xlator_t *this, struct afr_reply *replies,
- int source, unsigned char *sources,
- int *gfid_idx, uuid_t pargfid,
- const char *bname, inode_t *inode,
- unsigned char *locked_on, dict_t *xdata)
+afr_selfheal_name_gfid_mismatch_check(xlator_t *this, struct afr_reply *replies,
+ int source, unsigned char *sources,
+ int *gfid_idx, uuid_t pargfid,
+ const char *bname, inode_t *inode,
+ unsigned char *locked_on, dict_t *xdata)
{
- int i = 0;
- int gfid_idx_iter = -1;
- int ret = -1;
- void *gfid = NULL;
- void *gfid1 = NULL;
- afr_private_t *priv = NULL;
-
- priv = this->private;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid || replies[i].op_ret != 0)
- continue;
-
- if (gf_uuid_is_null (replies[i].poststat.ia_gfid))
- continue;
-
- if (!gfid) {
- gfid = &replies[i].poststat.ia_gfid;
- gfid_idx_iter = i;
- continue;
- }
-
- gfid1 = &replies[i].poststat.ia_gfid;
- if (sources[i] || source == -1) {
- if ((sources[gfid_idx_iter] || source == -1) &&
- gf_uuid_compare (gfid, gfid1)) {
- ret = afr_gfid_split_brain_source (this,
- replies,
- inode,
- pargfid,
- bname,
- gfid_idx_iter,
- i, locked_on,
- gfid_idx,
- xdata);
- if (!ret && *gfid_idx >= 0) {
- ret = dict_set_str (xdata,
- "gfid-heal-msg",
- "GFID split-brain "
- "resolved");
- if (ret)
- gf_msg (this->name,
- GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED,
- "Error setting gfid-"
- "heal-msg dict");
- }
- return ret;
- }
- gfid = &replies[i].poststat.ia_gfid;
- gfid_idx_iter = i;
- }
- }
-
- *gfid_idx = gfid_idx_iter;
- return 0;
+ int i = 0;
+ int gfid_idx_iter = -1;
+ int ret = -1;
+ void *gfid = NULL;
+ void *gfid1 = NULL;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid || replies[i].op_ret != 0)
+ continue;
+
+ if (gf_uuid_is_null(replies[i].poststat.ia_gfid))
+ continue;
+
+ if (!gfid) {
+ gfid = &replies[i].poststat.ia_gfid;
+ gfid_idx_iter = i;
+ continue;
+ }
+
+ gfid1 = &replies[i].poststat.ia_gfid;
+ if (sources[i] || source == -1) {
+ if ((sources[gfid_idx_iter] || source == -1) &&
+ gf_uuid_compare(gfid, gfid1)) {
+ ret = afr_gfid_split_brain_source(this, replies, inode, pargfid,
+ bname, gfid_idx_iter, i,
+ locked_on, gfid_idx, xdata);
+ if (!ret && *gfid_idx >= 0) {
+ ret = dict_set_sizen_str_sizen(xdata, "gfid-heal-msg",
+ "GFID split-brain resolved");
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ AFR_MSG_DICT_SET_FAILED,
+ "Error setting gfid-"
+ "heal-msg dict");
+ }
+ return ret;
+ }
+ gfid = &replies[i].poststat.ia_gfid;
+ gfid_idx_iter = i;
+ }
+ }
+
+ *gfid_idx = gfid_idx_iter;
+ return 0;
}
static gf_boolean_t
-afr_selfheal_name_source_empty_check (xlator_t *this, struct afr_reply *replies,
- unsigned char *sources, int source)
+afr_selfheal_name_source_empty_check(xlator_t *this, struct afr_reply *replies,
+ unsigned char *sources, int source)
{
- int i = 0;
- afr_private_t *priv = NULL;
- gf_boolean_t source_is_empty = _gf_true;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ gf_boolean_t source_is_empty = _gf_true;
- priv = this->private;
+ priv = this->private;
- if (source == -1) {
- source_is_empty = _gf_false;
- goto out;
- }
+ if (source == -1) {
+ source_is_empty = _gf_false;
+ goto out;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (!sources[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!sources[i])
+ continue;
- if (replies[i].op_ret == -1 && replies[i].op_errno == ENOENT)
- continue;
+ if (replies[i].op_ret == -1 && replies[i].op_errno == ENOENT)
+ continue;
- source_is_empty = _gf_false;
- break;
- }
+ source_is_empty = _gf_false;
+ break;
+ }
out:
- return source_is_empty;
+ return source_is_empty;
}
int
-__afr_selfheal_name_do (call_frame_t *frame, xlator_t *this, inode_t *parent,
- uuid_t pargfid, const char *bname, inode_t *inode,
- unsigned char *sources, unsigned char *sinks,
- unsigned char *healed_sinks, int source,
- unsigned char *locked_on, struct afr_reply *replies,
- void *gfid_req, dict_t *xdata)
+__afr_selfheal_name_do(call_frame_t *frame, xlator_t *this, inode_t *parent,
+ uuid_t pargfid, const char *bname, inode_t *inode,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks, int source,
+ unsigned char *locked_on, struct afr_reply *replies,
+ void *gfid_req, dict_t *xdata)
{
- int gfid_idx = -1;
- int ret = -1;
- void *gfid = NULL;
- gf_boolean_t source_is_empty = _gf_true;
- gf_boolean_t need_heal = _gf_false;
- gf_boolean_t is_gfid_absent = _gf_false;
-
- need_heal = afr_selfheal_name_need_heal_check (this, replies);
- if (!need_heal)
- return 0;
-
- source_is_empty = afr_selfheal_name_source_empty_check (this, replies,
- sources,
- source);
- if (source_is_empty) {
- ret = __afr_selfheal_name_expunge (this, parent, pargfid,
- bname, inode, replies);
- if (ret == -EIO)
- ret = -1;
- return ret;
- }
-
- ret = afr_selfheal_name_type_mismatch_check (this, replies, source,
- sources, pargfid, bname);
- if (ret)
- return ret;
+ int gfid_idx = -1;
+ int ret = -1;
+ void *gfid = NULL;
+ gf_boolean_t source_is_empty = _gf_true;
+ gf_boolean_t need_heal = _gf_false;
+ gf_boolean_t is_gfid_absent = _gf_false;
+
+ need_heal = afr_selfheal_name_need_heal_check(this, replies);
+ if (!need_heal)
+ return 0;
- ret = afr_selfheal_name_gfid_mismatch_check (this, replies, source,
- sources, &gfid_idx,
- pargfid, bname, inode,
- locked_on, xdata);
- if (ret)
- return ret;
+ source_is_empty = afr_selfheal_name_source_empty_check(this, replies,
+ sources, source);
+ if (source_is_empty) {
+ ret = __afr_selfheal_name_expunge(this, parent, pargfid, bname, inode,
+ replies);
+ if (ret == -EIO)
+ ret = -1;
+ return ret;
+ }
- if (gfid_idx == -1) {
- if (!gfid_req || gf_uuid_is_null (gfid_req))
- return -1;
- gfid = gfid_req;
- } else {
- gfid = &replies[gfid_idx].poststat.ia_gfid;
- }
+ ret = afr_selfheal_name_type_mismatch_check(this, replies, source, sources,
+ pargfid, bname);
+ if (ret)
+ return ret;
- is_gfid_absent = (gfid_idx == -1) ? _gf_true : _gf_false;
- ret = __afr_selfheal_assign_gfid (this, parent, pargfid, bname, inode,
- replies, gfid, locked_on, source,
- sources, is_gfid_absent);
- if (ret)
- return ret;
+ ret = afr_selfheal_name_gfid_mismatch_check(this, replies, source, sources,
+ &gfid_idx, pargfid, bname,
+ inode, locked_on, xdata);
+ if (ret)
+ return ret;
- if (gfid_idx == -1) {
- gfid_idx = afr_selfheal_gfid_idx_get (this, replies, sources);
- if (gfid_idx == -1)
- return -1;
- }
+ if (gfid_idx == -1) {
+ if (!gfid_req || gf_uuid_is_null(gfid_req))
+ return -1;
+ gfid = gfid_req;
+ } else {
+ gfid = &replies[gfid_idx].poststat.ia_gfid;
+ if (source == -1)
+ /* Either entry split-brain or dirty xattrs are present on parent.*/
+ source = gfid_idx;
+ }
+
+ is_gfid_absent = (gfid_idx == -1) ? _gf_true : _gf_false;
+ ret = __afr_selfheal_assign_gfid(this, parent, pargfid, bname, inode,
+ replies, gfid, locked_on, source, sources,
+ is_gfid_absent, &gfid_idx);
+ if (ret || (gfid_idx < 0))
+ return ret;
- ret = __afr_selfheal_name_impunge (frame, this, parent, pargfid,
- bname, inode, replies, gfid_idx);
- if (ret == -EIO)
- ret = -1;
+ ret = __afr_selfheal_name_impunge(frame, this, parent, pargfid, bname,
+ inode, replies, gfid_idx);
+ if (ret == -EIO)
+ ret = -1;
- return ret;
+ return ret;
}
-
int
-__afr_selfheal_name_finalize_source (xlator_t *this, unsigned char *sources,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- uint64_t *witness)
+__afr_selfheal_name_finalize_source(xlator_t *this, unsigned char *sources,
+ unsigned char *healed_sinks,
+ unsigned char *locked_on, uint64_t *witness)
{
- int i = 0;
- afr_private_t *priv = NULL;
- int source = -1;
- int sources_count = 0;
-
- priv = this->private;
-
- sources_count = AFR_COUNT (sources, priv->child_count);
-
- if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
- || !sources_count || afr_does_witness_exist (this, witness)) {
- memset (sources, 0, sizeof (*sources) * priv->child_count);
- afr_mark_active_sinks (this, sources, locked_on, healed_sinks);
- return -1;
- }
-
- for (i = 0; i < priv->child_count; i++) {
- if (sources[i]) {
- source = i;
- break;
- }
- }
-
- return source;
+ int i = 0;
+ afr_private_t *priv = NULL;
+ int source = -1;
+ int sources_count = 0;
+
+ priv = this->private;
+
+ sources_count = AFR_COUNT(sources, priv->child_count);
+
+ if ((AFR_CMP(locked_on, healed_sinks, priv->child_count) == 0) ||
+ !sources_count || afr_does_witness_exist(this, witness)) {
+ memset(sources, 0, sizeof(*sources) * priv->child_count);
+ afr_mark_active_sinks(this, sources, locked_on, healed_sinks);
+ return -1;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i]) {
+ source = i;
+ break;
+ }
+ }
+
+ return source;
}
int
-__afr_selfheal_name_prepare (call_frame_t *frame, xlator_t *this, inode_t *parent,
- uuid_t pargfid, unsigned char *locked_on,
- unsigned char *sources, unsigned char *sinks,
- unsigned char *healed_sinks, int *source_p)
+__afr_selfheal_name_prepare(call_frame_t *frame, xlator_t *this,
+ inode_t *parent, uuid_t pargfid,
+ unsigned char *locked_on, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks,
+ int *source_p)
{
- int ret = -1;
- int source = -1;
- afr_private_t *priv = NULL;
- struct afr_reply *replies = NULL;
- uint64_t *witness = NULL;
-
- priv = this->private;
-
- replies = alloca0 (priv->child_count * sizeof(*replies));
-
- ret = afr_selfheal_unlocked_discover (frame, parent, pargfid, replies);
- if (ret)
- goto out;
-
- witness = alloca0 (sizeof (*witness) * priv->child_count);
- ret = afr_selfheal_find_direction (frame, this, replies,
- AFR_ENTRY_TRANSACTION,
- locked_on, sources, sinks, witness,
- NULL);
- if (ret)
- goto out;
-
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
-
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
-
- source = __afr_selfheal_name_finalize_source (this, sources,
- healed_sinks,
- locked_on, witness);
- if (source < 0) {
- /* If source is < 0 (typically split-brain), we perform a
- conservative merge of entries rather than erroring out */
- }
- *source_p = source;
+ int ret = -1;
+ int source = -1;
+ afr_private_t *priv = NULL;
+ struct afr_reply *replies = NULL;
+ uint64_t *witness = NULL;
+
+ priv = this->private;
+
+ replies = alloca0(priv->child_count * sizeof(*replies));
+
+ ret = afr_selfheal_unlocked_discover(frame, parent, pargfid, replies);
+ if (ret)
+ goto out;
+
+ witness = alloca0(sizeof(*witness) * priv->child_count);
+ ret = afr_selfheal_find_direction(frame, this, replies,
+ AFR_ENTRY_TRANSACTION, locked_on, sources,
+ sinks, witness, NULL);
+ if (ret)
+ goto out;
+
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
+
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT(healed_sinks, sinks, locked_on, priv->child_count);
+
+ source = __afr_selfheal_name_finalize_source(this, sources, healed_sinks,
+ locked_on, witness);
+ if (source < 0) {
+ /* If source is < 0 (typically split-brain), we perform a
+ conservative merge of entries rather than erroring out */
+ }
+ *source_p = source;
out:
- if (replies)
- afr_replies_wipe (replies, priv->child_count);
+ if (replies)
+ afr_replies_wipe(replies, priv->child_count);
- return ret;
+ return ret;
}
-
int
-afr_selfheal_name_do (call_frame_t *frame, xlator_t *this, inode_t *parent,
- uuid_t pargfid, const char *bname, void *gfid_req,
- dict_t *xdata)
+afr_selfheal_name_do(call_frame_t *frame, xlator_t *this, inode_t *parent,
+ uuid_t pargfid, const char *bname, void *gfid_req,
+ dict_t *xdata)
{
- afr_private_t *priv = NULL;
- unsigned char *sources = NULL;
- unsigned char *sinks = NULL;
- unsigned char *healed_sinks = NULL;
- unsigned char *locked_on = NULL;
- int source = -1;
- struct afr_reply *replies = NULL;
- int ret = -1;
- inode_t *inode = NULL;
- dict_t *xattr = NULL;
-
- xattr = dict_new ();
- if (!xattr)
- return -ENOMEM;
-
- ret = dict_set_int32 (xattr, GF_GFIDLESS_LOOKUP, 1);
- if (ret) {
- dict_unref (xattr);
- return -1;
+ afr_private_t *priv = NULL;
+ unsigned char *sources = NULL;
+ unsigned char *sinks = NULL;
+ unsigned char *healed_sinks = NULL;
+ unsigned char *locked_on = NULL;
+ int source = -1;
+ struct afr_reply *replies = NULL;
+ int ret = -1;
+ inode_t *inode = NULL;
+ dict_t *xattr = NULL;
+
+ xattr = dict_new();
+ if (!xattr)
+ return -ENOMEM;
+
+ ret = dict_set_int32_sizen(xattr, GF_GFIDLESS_LOOKUP, 1);
+ if (ret) {
+ dict_unref(xattr);
+ return -1;
+ }
+
+ priv = this->private;
+
+ locked_on = alloca0(priv->child_count);
+ sources = alloca0(priv->child_count);
+ sinks = alloca0(priv->child_count);
+ healed_sinks = alloca0(priv->child_count);
+
+ replies = alloca0(priv->child_count * sizeof(*replies));
+
+ ret = afr_selfheal_entrylk(frame, this, parent, this->name, bname,
+ locked_on);
+ {
+ if (ret < priv->child_count) {
+ ret = -ENOTCONN;
+ goto unlock;
+ }
+
+ ret = __afr_selfheal_name_prepare(frame, this, parent, pargfid,
+ locked_on, sources, sinks,
+ healed_sinks, &source);
+ if (ret)
+ goto unlock;
+
+ inode = afr_selfheal_unlocked_lookup_on(frame, parent, bname, replies,
+ locked_on, xattr);
+ if (!inode) {
+ ret = -ENOMEM;
+ goto unlock;
}
- priv = this->private;
-
- locked_on = alloca0 (priv->child_count);
- sources = alloca0 (priv->child_count);
- sinks = alloca0 (priv->child_count);
- healed_sinks = alloca0 (priv->child_count);
-
- replies = alloca0 (priv->child_count * sizeof(*replies));
-
- ret = afr_selfheal_entrylk (frame, this, parent, this->name, bname,
- locked_on);
- {
- if (ret < AFR_SH_MIN_PARTICIPANTS) {
- ret = -ENOTCONN;
- goto unlock;
- }
-
- ret = __afr_selfheal_name_prepare (frame, this, parent, pargfid,
- locked_on, sources, sinks,
- healed_sinks, &source);
- if (ret)
- goto unlock;
-
- inode = afr_selfheal_unlocked_lookup_on (frame, parent, bname,
- replies, locked_on,
- xattr);
- if (!inode) {
- ret = -ENOMEM;
- goto unlock;
- }
-
- ret = __afr_selfheal_name_do (frame, this, parent, pargfid,
- bname, inode, sources, sinks,
- healed_sinks, source, locked_on,
- replies, gfid_req, xdata);
- }
+ ret = __afr_selfheal_name_do(frame, this, parent, pargfid, bname, inode,
+ sources, sinks, healed_sinks, source,
+ locked_on, replies, gfid_req, xdata);
+ }
unlock:
- afr_selfheal_unentrylk (frame, this, parent, this->name, bname,
- locked_on, NULL);
- if (inode)
- inode_unref (inode);
+ afr_selfheal_unentrylk(frame, this, parent, this->name, bname, locked_on,
+ NULL);
+ if (inode)
+ inode_unref(inode);
- if (replies)
- afr_replies_wipe (replies, priv->child_count);
- if (xattr)
- dict_unref (xattr);
+ if (replies)
+ afr_replies_wipe(replies, priv->child_count);
+ if (xattr)
+ dict_unref(xattr);
- return ret;
+ return ret;
}
-
int
-afr_selfheal_name_unlocked_inspect (call_frame_t *frame, xlator_t *this,
- inode_t *parent, uuid_t pargfid,
- const char *bname, gf_boolean_t *need_heal)
+afr_selfheal_name_unlocked_inspect(call_frame_t *frame, xlator_t *this,
+ inode_t *parent, uuid_t pargfid,
+ const char *bname, gf_boolean_t *need_heal)
{
- afr_private_t *priv = NULL;
- int i = 0;
- struct afr_reply *replies = NULL;
- inode_t *inode = NULL;
- int first_idx = -1;
-
- priv = this->private;
-
- replies = alloca0 (sizeof (*replies) * priv->child_count);
-
- inode = afr_selfheal_unlocked_lookup_on (frame, parent, bname,
- replies, priv->child_up, NULL);
- if (!inode)
- return -ENOMEM;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!replies[i].valid)
- continue;
-
- if ((replies[i].op_ret == -1) &&
- (replies[i].op_errno == ENODATA))
- *need_heal = _gf_true;
-
- if (first_idx == -1) {
- first_idx = i;
- continue;
- }
-
- if (replies[i].op_ret != replies[first_idx].op_ret)
- *need_heal = _gf_true;
-
- if (gf_uuid_compare (replies[i].poststat.ia_gfid,
- replies[first_idx].poststat.ia_gfid))
- *need_heal = _gf_true;
- }
-
- if (inode)
- inode_unref (inode);
- if (replies)
- afr_replies_wipe (replies, priv->child_count);
- return 0;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ struct afr_reply *replies = NULL;
+ inode_t *inode = NULL;
+ int first_idx = -1;
+ afr_local_t *local = NULL;
+
+ priv = this->private;
+ local = frame->local;
+
+ replies = alloca0(sizeof(*replies) * priv->child_count);
+
+ inode = afr_selfheal_unlocked_lookup_on(frame, parent, bname, replies,
+ local->child_up, NULL);
+ if (!inode)
+ return -ENOMEM;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!replies[i].valid)
+ continue;
+
+ if ((replies[i].op_ret == -1) && (replies[i].op_errno == ENODATA)) {
+ *need_heal = _gf_true;
+ break;
+ }
+
+ if (first_idx == -1) {
+ first_idx = i;
+ continue;
+ }
+
+ if (replies[i].op_ret != replies[first_idx].op_ret) {
+ *need_heal = _gf_true;
+ break;
+ }
+
+ if (gf_uuid_compare(replies[i].poststat.ia_gfid,
+ replies[first_idx].poststat.ia_gfid)) {
+ *need_heal = _gf_true;
+ break;
+ }
+ }
+
+ if (inode)
+ inode_unref(inode);
+ if (replies)
+ afr_replies_wipe(replies, priv->child_count);
+ return 0;
}
int
-afr_selfheal_name (xlator_t *this, uuid_t pargfid, const char *bname,
- void *gfid_req, dict_t *xdata)
+afr_selfheal_name(xlator_t *this, uuid_t pargfid, const char *bname,
+ void *gfid_req, dict_t *xdata)
{
- inode_t *parent = NULL;
- call_frame_t *frame = NULL;
- int ret = -1;
- gf_boolean_t need_heal = _gf_false;
-
- parent = afr_inode_find (this, pargfid);
- if (!parent)
- goto out;
-
- frame = afr_frame_create (this, NULL);
- if (!frame)
- goto out;
-
- ret = afr_selfheal_name_unlocked_inspect (frame, this, parent, pargfid,
- bname, &need_heal);
- if (ret)
- goto out;
-
- if (need_heal) {
- ret = afr_selfheal_name_do (frame, this, parent, pargfid, bname,
- gfid_req, xdata);
- if (ret)
- goto out;
- }
+ inode_t *parent = NULL;
+ call_frame_t *frame = NULL;
+ int ret = -1;
+ gf_boolean_t need_heal = _gf_false;
+
+ parent = afr_inode_find(this, pargfid);
+ if (!parent)
+ goto out;
+
+ frame = afr_frame_create(this, NULL);
+ if (!frame)
+ goto out;
+
+ ret = afr_selfheal_name_unlocked_inspect(frame, this, parent, pargfid,
+ bname, &need_heal);
+ if (ret)
+ goto out;
+
+ if (need_heal) {
+ ret = afr_selfheal_name_do(frame, this, parent, pargfid, bname,
+ gfid_req, xdata);
+ if (ret)
+ goto out;
+ }
- ret = 0;
+ ret = 0;
out:
- if (parent)
- inode_unref (parent);
- if (frame)
- AFR_STACK_DESTROY (frame);
+ if (parent)
+ inode_unref(parent);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
- return ret;
+ return ret;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal.h b/xlators/cluster/afr/src/afr-self-heal.h
index 9836e2fbc03..48e6dbcfb18 100644
--- a/xlators/cluster/afr/src/afr-self-heal.h
+++ b/xlators/cluster/afr/src/afr-self-heal.h
@@ -8,265 +8,285 @@
cases as published by the Free Software Foundation.
*/
-
#ifndef _AFR_SELFHEAL_H
#define _AFR_SELFHEAL_H
-#define AFR_SH_MIN_PARTICIPANTS 2
-
/* Perform fop on all UP subvolumes and wait for all callbacks to return */
-#define AFR_ONALL(frame, rfn, fop, args ...) do { \
- afr_local_t *__local = frame->local; \
- afr_private_t *__priv = frame->this->private; \
- int __i = 0, __count = 0; \
- unsigned char *__child_up = NULL; \
- \
- __child_up = alloca0 (__priv->child_count); \
- memcpy (__child_up, __priv->child_up, \
- sizeof (*__child_up) * __priv->child_count); \
- __count = AFR_COUNT (__child_up, __priv->child_count); \
- \
- __local->barrier.waitfor = __count; \
- afr_local_replies_wipe (__local, __priv); \
- \
- for (__i = 0; __i < __priv->child_count; __i++) { \
- if (!__child_up[__i]) \
- continue; \
- STACK_WIND_COOKIE (frame, rfn, (void *)(long) __i, \
- __priv->children[__i], \
- __priv->children[__i]->fops->fop, args); \
- } \
- syncbarrier_wait (&__local->barrier, __count); \
- } while (0)
-
+#define AFR_ONALL(frame, rfn, fop, args...) \
+ do { \
+ afr_local_t *__local = frame->local; \
+ afr_private_t *__priv = frame->this->private; \
+ int __i = 0, __count = 0; \
+ unsigned char *__child_up = alloca(__priv->child_count); \
+ \
+ memcpy(__child_up, __priv->child_up, \
+ sizeof(*__child_up) * __priv->child_count); \
+ __count = AFR_COUNT(__child_up, __priv->child_count); \
+ \
+ __local->barrier.waitfor = __count; \
+ afr_local_replies_wipe(__local, __priv); \
+ \
+ for (__i = 0; __i < __priv->child_count; __i++) { \
+ if (!__child_up[__i]) \
+ continue; \
+ STACK_WIND_COOKIE(frame, rfn, (void *)(long)__i, \
+ __priv->children[__i], \
+ __priv->children[__i]->fops->fop, args); \
+ } \
+ syncbarrier_wait(&__local->barrier, __count); \
+ } while (0)
/* Perform fop on all subvolumes represented by list[] array and wait
for all callbacks to return */
-#define AFR_ONLIST(list, frame, rfn, fop, args ...) do { \
- afr_local_t *__local = frame->local; \
- afr_private_t *__priv = frame->this->private; \
- int __i = 0; \
- int __count = AFR_COUNT (list, __priv->child_count); \
- \
- __local->barrier.waitfor = __count; \
- afr_local_replies_wipe (__local, __priv); \
- \
- for (__i = 0; __i < __priv->child_count; __i++) { \
- if (!list[__i]) continue; \
- STACK_WIND_COOKIE (frame, rfn, (void *)(long) __i, \
- __priv->children[__i], \
- __priv->children[__i]->fops->fop, args); \
- } \
- syncbarrier_wait (&__local->barrier, __count); \
- } while (0)
-
-
-#define AFR_SEQ(frame, rfn, fop, args ...) do { \
- afr_local_t *__local = frame->local; \
- afr_private_t *__priv = frame->this->private; \
- int __i = 0; \
- \
- afr_local_replies_wipe (__local, __priv); \
- \
- for (__i = 0; __i < __priv->child_count; __i++) { \
- if (!__priv->child_up[__i]) continue; \
- STACK_WIND_COOKIE (frame, rfn, (void *)(long) __i, \
- __priv->children[__i], \
- __priv->children[__i]->fops->fop, args); \
- syncbarrier_wait (&__local->barrier, 1); \
- } \
- } while (0)
-
-
-#define ALLOC_MATRIX(n, type) ({type **__ptr = NULL; \
- int __i; \
- __ptr = alloca0 (n * sizeof(type *)); \
- for (__i = 0; __i < n; __i++) __ptr[__i] = alloca0 (n * sizeof(type)); \
- __ptr;})
-
-
-#define IA_EQUAL(f,s,field) (memcmp (&(f.ia_##field), &(s.ia_##field), sizeof (s.ia_##field)) == 0)
-
-#define SBRAIN_HEAL_NO_GO_MSG "Failed to obtain replies from all bricks of "\
- "the replica (are they up?). Cannot resolve split-brain."
-int
-afr_selfheal (xlator_t *this, uuid_t gfid);
+#define AFR_ONLIST(list, frame, rfn, fop, args...) \
+ do { \
+ afr_local_t *__local = frame->local; \
+ afr_private_t *__priv = frame->this->private; \
+ int __i = 0; \
+ int __count = 0; \
+ unsigned char *__list = alloca(__priv->child_count); \
+ \
+ memcpy(__list, list, sizeof(*__list) * __priv->child_count); \
+ __count = AFR_COUNT(__list, __priv->child_count); \
+ __local->barrier.waitfor = __count; \
+ afr_local_replies_wipe(__local, __priv); \
+ \
+ for (__i = 0; __i < __priv->child_count; __i++) { \
+ if (!__list[__i]) \
+ continue; \
+ STACK_WIND_COOKIE(frame, rfn, (void *)(long)__i, \
+ __priv->children[__i], \
+ __priv->children[__i]->fops->fop, args); \
+ } \
+ syncbarrier_wait(&__local->barrier, __count); \
+ } while (0)
+
+#define AFR_SEQ(frame, rfn, fop, args...) \
+ do { \
+ afr_local_t *__local = frame->local; \
+ afr_private_t *__priv = frame->this->private; \
+ int __i = 0; \
+ \
+ afr_local_replies_wipe(__local, __priv); \
+ \
+ for (__i = 0; __i < __priv->child_count; __i++) { \
+ if (!__priv->child_up[__i]) \
+ continue; \
+ STACK_WIND_COOKIE(frame, rfn, (void *)(long)__i, \
+ __priv->children[__i], \
+ __priv->children[__i]->fops->fop, args); \
+ syncbarrier_wait(&__local->barrier, 1); \
+ } \
+ } while (0)
+
+#define ALLOC_MATRIX(n, type) \
+ ({ \
+ int __i; \
+ type **__ptr = alloca(n * sizeof(type *)); \
+ \
+ for (__i = 0; __i < n; __i++) \
+ __ptr[__i] = alloca0(n * sizeof(type)); \
+ __ptr; \
+ })
+
+#define IA_EQUAL(f, s, field) \
+ (memcmp(&(f.ia_##field), &(s.ia_##field), sizeof(s.ia_##field)) == 0)
+
+#define SBRAIN_HEAL_NO_GO_MSG \
+ "Failed to obtain replies from all bricks of " \
+ "the replica (are they up?). Cannot resolve split-brain."
+#define SFILE_NOT_IN_SPLIT_BRAIN "File not in split-brain"
+#define SNO_BIGGER_FILE "No bigger file"
+#define SNO_DIFF_IN_MTIME "No difference in mtime"
+#define SUSE_SOURCE_BRICK_TO_HEAL \
+ "Use source-brick option to heal metadata" \
+ " split-brain"
+#define SINVALID_BRICK_NAME "Invalid brick name"
+#define SBRICK_IS_NOT_UP "Brick is not up"
+#define SBRICK_NOT_CONNECTED "Brick is not connected"
+#define SLESS_THAN2_BRICKS_in_REP "< 2 bricks in replica are up"
+#define SBRICK_IS_REMOTE "Brick is remote"
+#define SSTARTED_SELF_HEAL "Started self-heal"
+#define SOP_NOT_SUPPORTED "Operation Not Supported"
+#define SFILE_NOT_UNDER_DATA \
+ "The file is not under data or metadata " \
+ "split-brain"
+#define SFILE_NOT_IN_SPLIT_BRAIN "File not in split-brain"
+#define SALL_BRICKS_UP_TO_RESOLVE \
+ "All the bricks should be up to resolve the" \
+ " gfid split brain"
+#define SERROR_GETTING_SRC_BRICK "Error getting the source brick"
+int
+afr_selfheal(xlator_t *this, uuid_t gfid);
gf_boolean_t
-afr_throttled_selfheal (call_frame_t *frame, xlator_t *this);
+afr_throttled_selfheal(call_frame_t *frame, xlator_t *this);
int
-afr_selfheal_name (xlator_t *this, uuid_t gfid, const char *name,
- void *gfid_req, dict_t *xdata);
+afr_selfheal_name(xlator_t *this, uuid_t gfid, const char *name, void *gfid_req,
+ dict_t *xdata);
int
-afr_selfheal_data (call_frame_t *frame, xlator_t *this, fd_t *fd);
+afr_selfheal_data(call_frame_t *frame, xlator_t *this, fd_t *fd);
int
-afr_selfheal_metadata (call_frame_t *frame, xlator_t *this, inode_t *inode);
+afr_selfheal_metadata(call_frame_t *frame, xlator_t *this, inode_t *inode);
int
-afr_selfheal_entry (call_frame_t *frame, xlator_t *this, inode_t *inode);
+afr_selfheal_entry(call_frame_t *frame, xlator_t *this, inode_t *inode);
int
-afr_lookup_and_heal_gfid (xlator_t *this, inode_t *parent, const char *name,
- inode_t *inode, struct afr_reply *replies, int source,
- unsigned char *sources, void *gfid);
+afr_lookup_and_heal_gfid(xlator_t *this, inode_t *parent, const char *name,
+ inode_t *inode, struct afr_reply *replies, int source,
+ unsigned char *sources, void *gfid, int *gfid_idx);
int
-afr_selfheal_inodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, off_t off, size_t size,
- unsigned char *locked_on);
+afr_selfheal_inodelk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ unsigned char *locked_on);
int
-afr_selfheal_tryinodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, off_t off, size_t size,
- unsigned char *locked_on);
+afr_selfheal_tryinodelk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ unsigned char *locked_on);
int
-afr_selfheal_tie_breaker_inodelk (call_frame_t *frame, xlator_t *this,
- inode_t *inode, char *dom, off_t off,
- size_t size, unsigned char *locked_on);
+afr_selfheal_tie_breaker_inodelk(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, char *dom, off_t off,
+ size_t size, unsigned char *locked_on);
int
-afr_selfheal_uninodelk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, off_t off, size_t size,
- const unsigned char *locked_on);
+afr_selfheal_uninodelk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, off_t off, size_t size,
+ const unsigned char *locked_on);
int
-afr_selfheal_entrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, const char *name, unsigned char *locked_on);
+afr_selfheal_entrylk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on);
int
-afr_selfheal_tryentrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, const char *name, unsigned char *locked_on);
+afr_selfheal_tryentrylk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on);
int
-afr_selfheal_tie_breaker_entrylk (call_frame_t *frame, xlator_t *this,
- inode_t *inode, char *dom, const char *name,
- unsigned char *locked_on);
+afr_selfheal_tie_breaker_entrylk(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, char *dom, const char *name,
+ unsigned char *locked_on);
int
-afr_selfheal_unentrylk (call_frame_t *frame, xlator_t *this, inode_t *inode,
- char *dom, const char *name, unsigned char *locked_on,
- dict_t *xdata);
+afr_selfheal_unentrylk(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ char *dom, const char *name, unsigned char *locked_on,
+ dict_t *xdata);
int
-afr_selfheal_unlocked_discover (call_frame_t *frame, inode_t *inode,
- uuid_t gfid, struct afr_reply *replies);
+afr_selfheal_unlocked_discover(call_frame_t *frame, inode_t *inode, uuid_t gfid,
+ struct afr_reply *replies);
int
-afr_selfheal_unlocked_discover_on (call_frame_t *frame, inode_t *inode,
+afr_selfheal_unlocked_discover_on(call_frame_t *frame, inode_t *inode,
uuid_t gfid, struct afr_reply *replies,
- unsigned char *discover_on);
+ unsigned char *discover_on, dict_t *dict);
inode_t *
-afr_selfheal_unlocked_lookup_on (call_frame_t *frame, inode_t *parent,
- const char *name, struct afr_reply *replies,
- unsigned char *lookup_on, dict_t *xattr);
+afr_selfheal_unlocked_lookup_on(call_frame_t *frame, inode_t *parent,
+ const char *name, struct afr_reply *replies,
+ unsigned char *lookup_on, dict_t *xattr);
int
-afr_selfheal_find_direction (call_frame_t *frame, xlator_t *this,
- struct afr_reply *replies,
- afr_transaction_type type,
- unsigned char *locked_on, unsigned char *sources,
- unsigned char *sinks, uint64_t *witness,
- gf_boolean_t *flag);
+afr_selfheal_find_direction(call_frame_t *frame, xlator_t *this,
+ struct afr_reply *replies,
+ afr_transaction_type type, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks,
+ uint64_t *witness, unsigned char *flag);
int
-afr_selfheal_fill_matrix (xlator_t *this, int **matrix, int subvol, int idx,
- dict_t *xdata);
+afr_selfheal_fill_matrix(xlator_t *this, int **matrix, int subvol, int idx,
+ dict_t *xdata);
int
-afr_selfheal_extract_xattr (xlator_t *this, struct afr_reply *replies,
- afr_transaction_type type, int *dirty, int **matrix);
+afr_selfheal_extract_xattr(xlator_t *this, struct afr_reply *replies,
+ afr_transaction_type type, int *dirty, int **matrix);
int
-afr_sh_generic_fop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *pre,
- struct iatt *post, dict_t *xdata);
+afr_sh_generic_fop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *pre,
+ struct iatt *post, dict_t *xdata);
int
-afr_selfheal_restore_time (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int source, unsigned char *healed_sinks,
- struct afr_reply *replies);
+afr_selfheal_restore_time(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int source, unsigned char *healed_sinks,
+ struct afr_reply *replies);
int
-afr_selfheal_undo_pending (call_frame_t *frame, xlator_t *this, inode_t *inode,
- unsigned char *sources, unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *undid_pending,
- afr_transaction_type type, struct afr_reply *replies,
- unsigned char *locked_on);
+afr_selfheal_undo_pending(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ afr_transaction_type type, struct afr_reply *replies,
+ unsigned char *locked_on);
int
-afr_selfheal_recreate_entry (call_frame_t *frame, int dst, int source,
- unsigned char *sources,
- inode_t *dir, const char *name, inode_t *inode,
- struct afr_reply *replies);
+afr_selfheal_recreate_entry(call_frame_t *frame, int dst, int source,
+ unsigned char *sources, inode_t *dir,
+ const char *name, inode_t *inode,
+ struct afr_reply *replies);
int
-afr_selfheal_post_op (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int subvol, dict_t *xattr, dict_t *xdata);
+afr_selfheal_post_op(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int subvol, dict_t *xattr, dict_t *xdata);
call_frame_t *
-afr_frame_create (xlator_t *this, int32_t *op_errno);
+afr_frame_create(xlator_t *this, int32_t *op_errno);
inode_t *
-afr_inode_find (xlator_t *this, uuid_t gfid);
+afr_inode_find(xlator_t *this, uuid_t gfid);
int
-afr_selfheal_discover_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode,
- struct iatt *buf, dict_t *xdata,
- struct iatt *parbuf);
+afr_selfheal_discover_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xdata, struct iatt *parbuf);
void
-afr_reply_copy (struct afr_reply *dst, struct afr_reply *src);
+afr_reply_copy(struct afr_reply *dst, struct afr_reply *src);
void
-afr_replies_copy (struct afr_reply *dst, struct afr_reply *src, int count);
+afr_replies_copy(struct afr_reply *dst, struct afr_reply *src, int count);
int
-afr_selfheal_newentry_mark (call_frame_t *frame, xlator_t *this, inode_t *inode,
- int source, struct afr_reply *replies,
- unsigned char *sources, unsigned char *newentry);
+afr_selfheal_newentry_mark(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ int source, struct afr_reply *replies,
+ unsigned char *sources, unsigned char *newentry);
unsigned int
-afr_success_count (struct afr_reply *replies, unsigned int count);
+afr_success_count(struct afr_reply *replies, unsigned int count);
void
-afr_log_selfheal (uuid_t gfid, xlator_t *this, int ret, char *type,
- int source, unsigned char *sources,
- unsigned char *healed_sinks);
+afr_log_selfheal(uuid_t gfid, xlator_t *this, int ret, char *type, int source,
+ unsigned char *sources, unsigned char *healed_sinks);
void
-afr_mark_largest_file_as_source (xlator_t *this, unsigned char *sources,
- struct afr_reply *replies);
+afr_mark_largest_file_as_source(xlator_t *this, unsigned char *sources,
+ struct afr_reply *replies);
void
-afr_mark_active_sinks (xlator_t *this, unsigned char *sources,
- unsigned char *locked_on, unsigned char *sinks);
+afr_mark_active_sinks(xlator_t *this, unsigned char *sources,
+ unsigned char *locked_on, unsigned char *sinks);
gf_boolean_t
-afr_dict_contains_heal_op (call_frame_t *frame);
+afr_dict_contains_heal_op(call_frame_t *frame);
gf_boolean_t
-afr_can_decide_split_brain_source_sinks (struct afr_reply *replies,
- int child_count);
+afr_can_decide_split_brain_source_sinks(struct afr_reply *replies,
+ int child_count);
int
-afr_mark_split_brain_source_sinks (call_frame_t *frame, xlator_t *this,
- inode_t *inode,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies,
- afr_transaction_type type);
+afr_mark_split_brain_source_sinks(
+ call_frame_t *frame, xlator_t *this, inode_t *inode, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks, unsigned char *locked_on,
+ struct afr_reply *replies, afr_transaction_type type);
int
-afr_sh_get_fav_by_policy (xlator_t *this, struct afr_reply *replies,
- inode_t *inode, char **policy_str);
+afr_sh_get_fav_by_policy(xlator_t *this, struct afr_reply *replies,
+ inode_t *inode, char **policy_str);
int
-_afr_fav_child_reset_sink_xattrs (call_frame_t *frame, xlator_t *this,
+_afr_fav_child_reset_sink_xattrs(call_frame_t *frame, xlator_t *this,
inode_t *inode, int source,
unsigned char *healed_sinks,
unsigned char *undid_pending,
@@ -275,86 +295,83 @@ _afr_fav_child_reset_sink_xattrs (call_frame_t *frame, xlator_t *this,
struct afr_reply *replies);
int
-afr_get_child_index_from_name (xlator_t *this, char *name);
+afr_get_child_index_from_name(xlator_t *this, char *name);
gf_boolean_t
-afr_does_witness_exist (xlator_t *this, uint64_t *witness);
+afr_does_witness_exist(xlator_t *this, uint64_t *witness);
int
-__afr_selfheal_data_prepare (call_frame_t *frame, xlator_t *this,
- inode_t *inode, unsigned char *locked_on,
- unsigned char *sources,
- unsigned char *sinks, unsigned char *healed_sinks,
- unsigned char *undid_pending,
- struct afr_reply *replies, gf_boolean_t *flag);
+__afr_selfheal_data_prepare(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ unsigned char *locked_on, unsigned char *sources,
+ unsigned char *sinks, unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ struct afr_reply *replies, unsigned char *flag);
int
-__afr_selfheal_metadata_prepare (call_frame_t *frame, xlator_t *this,
- inode_t *inode, unsigned char *locked_on,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *undid_pending,
- struct afr_reply *replies,
- gf_boolean_t *flag);
+__afr_selfheal_metadata_prepare(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *undid_pending,
+ struct afr_reply *replies, unsigned char *flag);
int
-__afr_selfheal_entry_prepare (call_frame_t *frame, xlator_t *this,
- inode_t *inode, unsigned char *locked_on,
- unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- struct afr_reply *replies, int *source_p,
- gf_boolean_t *flag);
+__afr_selfheal_entry_prepare(call_frame_t *frame, xlator_t *this,
+ inode_t *inode, unsigned char *locked_on,
+ unsigned char *sources, unsigned char *sinks,
+ unsigned char *healed_sinks,
+ struct afr_reply *replies, int *source_p,
+ unsigned char *flag);
int
-afr_selfheal_unlocked_inspect (call_frame_t *frame, xlator_t *this,
- uuid_t gfid, inode_t **link_inode,
- gf_boolean_t *data_selfheal,
- gf_boolean_t *metadata_selfheal,
- gf_boolean_t *entry_selfheal);
+afr_selfheal_unlocked_inspect(call_frame_t *frame, xlator_t *this, uuid_t gfid,
+ inode_t **link_inode, gf_boolean_t *data_selfheal,
+ gf_boolean_t *metadata_selfheal,
+ gf_boolean_t *entry_selfheal,
+ struct afr_reply *replies);
int
-afr_selfheal_do (call_frame_t *frame, xlator_t *this, uuid_t gfid);
+afr_selfheal_do(call_frame_t *frame, xlator_t *this, uuid_t gfid);
int
-afr_selfheal_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata);
+afr_selfheal_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata);
int
-afr_locked_fill (call_frame_t *frame, xlator_t *this,
- unsigned char *locked_on);
+afr_locked_fill(call_frame_t *frame, xlator_t *this, unsigned char *locked_on);
int
-afr_choose_source_by_policy (afr_private_t *priv, unsigned char *sources,
- afr_transaction_type type);
+afr_choose_source_by_policy(afr_private_t *priv, unsigned char *sources,
+ afr_transaction_type type);
int
-afr_selfheal_metadata_by_stbuf (xlator_t *this, struct iatt *stbuf);
+afr_selfheal_metadata_by_stbuf(xlator_t *this, struct iatt *stbuf);
int
-afr_sh_fav_by_size (xlator_t *this, struct afr_reply *replies,
- inode_t *inode);
+afr_sh_fav_by_size(xlator_t *this, struct afr_reply *replies, inode_t *inode);
int
-afr_sh_fav_by_mtime (xlator_t *this, struct afr_reply *replies,
- inode_t *inode);
+afr_sh_fav_by_mtime(xlator_t *this, struct afr_reply *replies, inode_t *inode);
int
-afr_sh_fav_by_ctime (xlator_t *this, struct afr_reply *replies,
- inode_t *inode);
+afr_sh_fav_by_ctime(xlator_t *this, struct afr_reply *replies, inode_t *inode);
int
-afr_gfid_split_brain_source (xlator_t *this, struct afr_reply *replies,
- inode_t *inode, uuid_t pargfid, const char *bname,
- int src_idx, int child_idx,
- unsigned char *locked_on, int *src, dict_t *xdata);
+afr_gfid_split_brain_source(xlator_t *this, struct afr_reply *replies,
+ inode_t *inode, uuid_t pargfid, const char *bname,
+ int src_idx, int child_idx,
+ unsigned char *locked_on, int *src, dict_t *xdata);
int
-afr_mark_source_sinks_if_file_empty (xlator_t *this, unsigned char *sources,
- unsigned char *sinks,
- unsigned char *healed_sinks,
- unsigned char *locked_on,
- struct afr_reply *replies,
- afr_transaction_type type);
+afr_mark_source_sinks_if_file_empty(xlator_t *this, unsigned char *sources,
+ unsigned char *sinks,
+ unsigned char *healed_sinks,
+ unsigned char *locked_on,
+ struct afr_reply *replies,
+ afr_transaction_type type);
gf_boolean_t
-afr_is_file_empty_on_all_children (afr_private_t *priv,
- struct afr_reply *replies);
+afr_is_file_empty_on_all_children(afr_private_t *priv,
+ struct afr_reply *replies);
+int
+afr_selfheal_entry_delete(xlator_t *this, inode_t *dir, const char *name,
+ inode_t *inode, int child, struct afr_reply *replies);
+int
+afr_anon_inode_create(xlator_t *this, int child, inode_t **linked_inode);
#endif /* !_AFR_SELFHEAL_H */
diff --git a/xlators/cluster/afr/src/afr-self-heald.c b/xlators/cluster/afr/src/afr-self-heald.c
index 4667be63220..109fd4b7421 100644
--- a/xlators/cluster/afr/src/afr-self-heald.c
+++ b/xlators/cluster/afr/src/afr-self-heald.c
@@ -8,1387 +8,1709 @@
cases as published by the Free Software Foundation.
*/
-
#include "afr.h"
#include "afr-self-heal.h"
#include "afr-self-heald.h"
#include "protocol-common.h"
-#include "syncop-utils.h"
+#include <glusterfs/syncop-utils.h>
#include "afr-messages.h"
-#include "byte-order.h"
-
-#define SHD_INODE_LRU_LIMIT 2048
-#define AFR_EH_SPLIT_BRAIN_LIMIT 1024
-#define AFR_STATISTICS_HISTORY_SIZE 50
-
-
-#define ASSERT_LOCAL(this, healer) \
- if (!afr_shd_is_subvol_local(this, healer->subvol)) { \
- healer->local = _gf_false; \
- if (safe_break (healer)) { \
- break; \
- } else { \
- continue; \
- } \
- } else { \
- healer->local = _gf_true; \
- }
-
-
-#define NTH_INDEX_HEALER(this, n) &((((afr_private_t *)this->private))->shd.index_healers[n])
-#define NTH_FULL_HEALER(this, n) &((((afr_private_t *)this->private))->shd.full_healers[n])
+#include <glusterfs/byte-order.h>
+
+#define AFR_EH_SPLIT_BRAIN_LIMIT 1024
+#define AFR_STATISTICS_HISTORY_SIZE 50
+
+#define ASSERT_LOCAL(this, healer) \
+ if (!afr_shd_is_subvol_local(this, healer->subvol)) { \
+ healer->local = _gf_false; \
+ if (safe_break(healer)) { \
+ break; \
+ } else { \
+ continue; \
+ } \
+ } else { \
+ healer->local = _gf_true; \
+ }
+
+#define NTH_INDEX_HEALER(this, n) \
+ &((((afr_private_t *)this->private))->shd.index_healers[n])
+#define NTH_FULL_HEALER(this, n) \
+ &((((afr_private_t *)this->private))->shd.full_healers[n])
char *
-afr_subvol_name (xlator_t *this, int subvol)
+afr_subvol_name(xlator_t *this, int subvol)
{
- afr_private_t *priv = NULL;
+ afr_private_t *priv = NULL;
- priv = this->private;
- if (subvol < 0 || subvol > priv->child_count)
- return NULL;
+ priv = this->private;
+ if (subvol < 0 || subvol > priv->child_count)
+ return NULL;
- return priv->children[subvol]->name;
+ return priv->children[subvol]->name;
}
-
void
-afr_destroy_crawl_event_data (void *data)
+afr_destroy_crawl_event_data(void *data)
{
- return;
+ return;
}
-
void
-afr_destroy_shd_event_data (void *data)
+afr_destroy_shd_event_data(void *data)
{
- shd_event_t *shd_event = data;
-
- if (!shd_event)
- return;
- GF_FREE (shd_event->path);
+ shd_event_t *shd_event = data;
+ if (!shd_event)
return;
-}
+ GF_FREE(shd_event->path);
+ return;
+}
gf_boolean_t
-afr_shd_is_subvol_local (xlator_t *this, int subvol)
+afr_shd_is_subvol_local(xlator_t *this, int subvol)
{
- afr_private_t *priv = NULL;
- gf_boolean_t is_local = _gf_false;
- loc_t loc = {0, };
-
- loc.inode = this->itable->root;
- gf_uuid_copy (loc.gfid, loc.inode->gfid);
- priv = this->private;
- syncop_is_subvol_local(priv->children[subvol], &loc, &is_local);
- return is_local;
+ afr_private_t *priv = NULL;
+ gf_boolean_t is_local = _gf_false;
+ loc_t loc = {
+ 0,
+ };
+
+ loc.inode = this->itable->root;
+ gf_uuid_copy(loc.gfid, loc.inode->gfid);
+ priv = this->private;
+ syncop_is_subvol_local(priv->children[subvol], &loc, &is_local);
+ return is_local;
}
-
int
-__afr_shd_healer_wait (struct subvol_healer *healer)
+__afr_shd_healer_wait(struct subvol_healer *healer)
{
- afr_private_t *priv = NULL;
- struct timespec wait_till = {0, };
- int ret = 0;
+ afr_private_t *priv = NULL;
+ struct timespec wait_till = {
+ 0,
+ };
+ int ret = 0;
- priv = healer->this->private;
+ priv = healer->this->private;
disabled_loop:
- wait_till.tv_sec = time (NULL) + priv->shd.timeout;
+ wait_till.tv_sec = gf_time() + priv->shd.timeout;
- while (!healer->rerun) {
- ret = pthread_cond_timedwait (&healer->cond,
- &healer->mutex,
- &wait_till);
- if (ret == ETIMEDOUT)
- break;
- }
+ while (!healer->rerun) {
+ ret = pthread_cond_timedwait(&healer->cond, &healer->mutex, &wait_till);
+ if (ret == ETIMEDOUT)
+ break;
+ }
- ret = healer->rerun;
- healer->rerun = 0;
+ ret = healer->rerun;
+ healer->rerun = 0;
- if (!priv->shd.enabled)
- goto disabled_loop;
+ if (!priv->shd.enabled)
+ goto disabled_loop;
- return ret;
+ return ret;
}
-
int
-afr_shd_healer_wait (struct subvol_healer *healer)
+afr_shd_healer_wait(struct subvol_healer *healer)
{
- int ret = 0;
+ int ret = 0;
- pthread_mutex_lock (&healer->mutex);
- {
- ret = __afr_shd_healer_wait (healer);
- }
- pthread_mutex_unlock (&healer->mutex);
+ pthread_mutex_lock(&healer->mutex);
+ {
+ ret = __afr_shd_healer_wait(healer);
+ }
+ pthread_mutex_unlock(&healer->mutex);
- return ret;
+ return ret;
}
-
gf_boolean_t
-safe_break (struct subvol_healer *healer)
+safe_break(struct subvol_healer *healer)
{
- gf_boolean_t ret = _gf_false;
+ gf_boolean_t ret = _gf_false;
- pthread_mutex_lock (&healer->mutex);
- {
- if (healer->rerun)
- goto unlock;
+ pthread_mutex_lock(&healer->mutex);
+ {
+ if (healer->rerun)
+ goto unlock;
- healer->running = _gf_false;
- ret = _gf_true;
- }
+ healer->running = _gf_false;
+ ret = _gf_true;
+ }
unlock:
- pthread_mutex_unlock (&healer->mutex);
+ pthread_mutex_unlock(&healer->mutex);
- return ret;
+ return ret;
}
-
inode_t *
-afr_shd_inode_find (xlator_t *this, xlator_t *subvol, uuid_t gfid)
+afr_shd_inode_find(xlator_t *this, xlator_t *subvol, uuid_t gfid)
{
- int ret = 0;
- uint64_t val = IA_INVAL;
- dict_t *xdata = NULL;
- dict_t *rsp_dict = NULL;
- inode_t *inode = NULL;
-
- xdata = dict_new ();
- if (!xdata)
- goto out;
-
- ret = dict_set_int8 (xdata, GF_INDEX_IA_TYPE_GET_REQ, 1);
+ int ret = 0;
+ uint64_t val = IA_INVAL;
+ dict_t *xdata = NULL;
+ dict_t *rsp_dict = NULL;
+ inode_t *inode = NULL;
+
+ xdata = dict_new();
+ if (!xdata)
+ goto out;
+
+ ret = dict_set_int8(xdata, GF_INDEX_IA_TYPE_GET_REQ, 1);
+ if (ret)
+ goto out;
+
+ ret = syncop_inode_find(this, subvol, gfid, &inode, xdata, &rsp_dict);
+ if (ret < 0)
+ goto out;
+
+ if (rsp_dict) {
+ ret = dict_get_uint64(rsp_dict, GF_INDEX_IA_TYPE_GET_RSP, &val);
if (ret)
- goto out;
-
- ret = syncop_inode_find (this, subvol, gfid, &inode,
- xdata, &rsp_dict);
- if (ret < 0)
- goto out;
-
- if (rsp_dict) {
- ret = dict_get_uint64 (rsp_dict, GF_INDEX_IA_TYPE_GET_RSP,
- &val);
- if (ret)
- goto out;
- }
- ret = inode_ctx_set2 (inode, subvol, 0, &val);
+ goto out;
+ }
+ ret = inode_ctx_set2(inode, subvol, 0, &val);
out:
- if (ret && inode) {
- inode_unref (inode);
- inode = NULL;
- }
- if (xdata)
- dict_unref (xdata);
- if (rsp_dict)
- dict_unref (rsp_dict);
- return inode;
+ if (ret && inode) {
+ inode_unref(inode);
+ inode = NULL;
+ }
+ if (xdata)
+ dict_unref(xdata);
+ if (rsp_dict)
+ dict_unref(rsp_dict);
+ return inode;
}
-inode_t*
-afr_shd_index_inode (xlator_t *this, xlator_t *subvol, char *vgfid)
+inode_t *
+afr_shd_index_inode(xlator_t *this, xlator_t *subvol, char *vgfid)
{
- loc_t rootloc = {0, };
- inode_t *inode = NULL;
- int ret = 0;
- dict_t *xattr = NULL;
- void *index_gfid = NULL;
+ loc_t rootloc = {
+ 0,
+ };
+ inode_t *inode = NULL;
+ int ret = 0;
+ dict_t *xattr = NULL;
+ void *index_gfid = NULL;
- rootloc.inode = inode_ref (this->itable->root);
- gf_uuid_copy (rootloc.gfid, rootloc.inode->gfid);
+ rootloc.inode = inode_ref(this->itable->root);
+ gf_uuid_copy(rootloc.gfid, rootloc.inode->gfid);
- ret = syncop_getxattr (subvol, &rootloc, &xattr,
- vgfid, NULL, NULL);
- if (ret || !xattr) {
- errno = -ret;
- goto out;
- }
+ ret = syncop_getxattr(subvol, &rootloc, &xattr, vgfid, NULL, NULL);
+ if (ret || !xattr) {
+ errno = -ret;
+ goto out;
+ }
- ret = dict_get_ptr (xattr, vgfid, &index_gfid);
- if (ret)
- goto out;
+ ret = dict_get_ptr(xattr, vgfid, &index_gfid);
+ if (ret)
+ goto out;
- gf_msg_debug (this->name, 0, "%s dir gfid for %s: %s",
- vgfid, subvol->name, uuid_utoa (index_gfid));
+ gf_msg_debug(this->name, 0, "%s dir gfid for %s: %s", vgfid, subvol->name,
+ uuid_utoa(index_gfid));
- inode = afr_shd_inode_find (this, subvol, index_gfid);
+ inode = afr_shd_inode_find(this, subvol, index_gfid);
out:
- loc_wipe (&rootloc);
+ loc_wipe(&rootloc);
- if (xattr)
- dict_unref (xattr);
+ if (xattr)
+ dict_unref(xattr);
- return inode;
+ return inode;
}
int
-afr_shd_index_purge (xlator_t *subvol, inode_t *inode, char *name,
- ia_type_t type)
+afr_shd_entry_purge(xlator_t *subvol, inode_t *inode, char *name,
+ ia_type_t type)
{
- int ret = 0;
- loc_t loc = {0,};
+ int ret = 0;
+ loc_t loc = {
+ 0,
+ };
- loc.parent = inode_ref (inode);
- loc.name = name;
+ loc.parent = inode_ref(inode);
+ loc.name = name;
- if (IA_ISDIR (type))
- ret = syncop_rmdir (subvol, &loc, 1, NULL, NULL);
- else
- ret = syncop_unlink (subvol, &loc, NULL, NULL);
+ if (IA_ISDIR(type))
+ ret = syncop_rmdir(subvol, &loc, 1, NULL, NULL);
+ else
+ ret = syncop_unlink(subvol, &loc, NULL, NULL);
- loc_wipe (&loc);
- return ret;
+ loc_wipe(&loc);
+ return ret;
}
void
-afr_shd_zero_xattrop (xlator_t *this, uuid_t gfid)
+afr_shd_zero_xattrop(xlator_t *this, uuid_t gfid)
{
-
- call_frame_t *frame = NULL;
- inode_t *inode = NULL;
- afr_private_t *priv = NULL;
- dict_t *xattr = NULL;
- int ret = 0;
- int i = 0;
- int raw[AFR_NUM_CHANGE_LOGS] = {0};
-
- priv = this->private;
- frame = afr_frame_create (this, NULL);
- if (!frame)
- goto out;
- inode = afr_inode_find (this, gfid);
- if (!inode)
- goto out;
- xattr = dict_new();
- if (!xattr)
- goto out;
- ret = dict_set_static_bin (xattr, AFR_DIRTY, raw,
- sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ call_frame_t *frame = NULL;
+ inode_t *inode = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xattr = NULL;
+ int ret = 0;
+ int i = 0;
+ int raw[AFR_NUM_CHANGE_LOGS] = {0};
+
+ priv = this->private;
+ frame = afr_frame_create(this, NULL);
+ if (!frame)
+ goto out;
+ inode = afr_inode_find(this, gfid);
+ if (!inode)
+ goto out;
+ xattr = dict_new();
+ if (!xattr)
+ goto out;
+ ret = dict_set_static_bin(xattr, AFR_DIRTY, raw,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret)
+ goto out;
+ for (i = 0; i < priv->child_count; i++) {
+ ret = dict_set_static_bin(xattr, priv->pending_key[i], raw,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
if (ret)
- goto out;
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_set_static_bin (xattr, priv->pending_key[i], raw,
- sizeof(int) * AFR_NUM_CHANGE_LOGS);
- if (ret)
- goto out;
- }
+ goto out;
+ }
- /*Send xattrop to all bricks. Doing a lookup to see if bricks are up or
- * has valid repies for this gfid seems a bit of an overkill.*/
- for (i = 0; i < priv->child_count; i++)
- afr_selfheal_post_op (frame, this, inode, i, xattr, NULL);
+ /*Send xattrop to all bricks. Doing a lookup to see if bricks are up or
+ * has valid repies for this gfid seems a bit of an overkill.*/
+ for (i = 0; i < priv->child_count; i++)
+ afr_selfheal_post_op(frame, this, inode, i, xattr, NULL);
out:
- if (frame)
- AFR_STACK_DESTROY (frame);
- if (inode)
- inode_unref (inode);
- if (xattr)
- dict_unref (xattr);
- return;
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ if (inode)
+ inode_unref(inode);
+ if (xattr)
+ dict_unref(xattr);
+ return;
}
int
-afr_shd_selfheal_name (struct subvol_healer *healer, int child, uuid_t parent,
- const char *bname)
+afr_shd_selfheal_name(struct subvol_healer *healer, int child, uuid_t parent,
+ const char *bname)
{
- int ret = -1;
+ int ret = -1;
- ret = afr_selfheal_name (THIS, parent, bname, NULL, NULL);
+ ret = afr_selfheal_name(THIS, parent, bname, NULL, NULL);
- return ret;
+ return ret;
}
int
-afr_shd_selfheal (struct subvol_healer *healer, int child, uuid_t gfid)
+afr_shd_selfheal(struct subvol_healer *healer, int child, uuid_t gfid)
{
- int ret = 0;
- eh_t *eh = NULL;
- afr_private_t *priv = NULL;
- afr_self_heald_t *shd = NULL;
- shd_event_t *shd_event = NULL;
- char *path = NULL;
- xlator_t *subvol = NULL;
- xlator_t *this = NULL;
- crawl_event_t *crawl_event = NULL;
-
- this = healer->this;
- priv = this->private;
- shd = &priv->shd;
- crawl_event = &healer->crawl_event;
-
- subvol = priv->children[child];
-
- //If this fails with ENOENT/ESTALE index is stale
- ret = syncop_gfid_to_path (this->itable, subvol, gfid, &path);
- if (ret < 0)
- return ret;
-
- ret = afr_selfheal (this, gfid);
-
- LOCK (&priv->lock);
- {
- if (ret == -EIO) {
- eh = shd->split_brain;
- crawl_event->split_brain_count++;
- } else if (ret < 0) {
- crawl_event->heal_failed_count++;
- } else if (ret == 0) {
- crawl_event->healed_count++;
- }
+ int ret = 0;
+ eh_t *eh = NULL;
+ afr_private_t *priv = NULL;
+ afr_self_heald_t *shd = NULL;
+ shd_event_t *shd_event = NULL;
+ char *path = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *this = NULL;
+ crawl_event_t *crawl_event = NULL;
+
+ this = healer->this;
+ priv = this->private;
+ shd = &priv->shd;
+ crawl_event = &healer->crawl_event;
+
+ subvol = priv->children[child];
+
+ // If this fails with ENOENT/ESTALE index is stale
+ ret = syncop_gfid_to_path(this->itable, subvol, gfid, &path);
+ if (ret < 0)
+ return ret;
+
+ ret = afr_selfheal(this, gfid);
+
+ LOCK(&priv->lock);
+ {
+ if (ret == -EIO) {
+ eh = shd->split_brain;
+ crawl_event->split_brain_count++;
+ } else if (ret < 0) {
+ crawl_event->heal_failed_count++;
+ } else if (ret == 0) {
+ crawl_event->healed_count++;
}
- UNLOCK (&priv->lock);
+ }
+ UNLOCK(&priv->lock);
- if (eh) {
- shd_event = GF_CALLOC (1, sizeof(*shd_event),
- gf_afr_mt_shd_event_t);
- if (!shd_event)
- goto out;
+ if (eh) {
+ shd_event = GF_CALLOC(1, sizeof(*shd_event), gf_afr_mt_shd_event_t);
+ if (!shd_event)
+ goto out;
- shd_event->child = child;
- shd_event->path = path;
+ shd_event->child = child;
+ shd_event->path = path;
- if (eh_save_history (eh, shd_event) < 0)
- goto out;
+ if (eh_save_history(eh, shd_event) < 0)
+ goto out;
- shd_event = NULL;
- path = NULL;
- }
+ shd_event = NULL;
+ path = NULL;
+ }
out:
- GF_FREE (shd_event);
- GF_FREE (path);
- return ret;
+ GF_FREE(shd_event);
+ GF_FREE(path);
+ return ret;
}
-
void
-afr_shd_sweep_prepare (struct subvol_healer *healer)
+afr_shd_sweep_prepare(struct subvol_healer *healer)
{
- crawl_event_t *event = NULL;
+ crawl_event_t *event = NULL;
- event = &healer->crawl_event;
+ event = &healer->crawl_event;
- event->healed_count = 0;
- event->split_brain_count = 0;
- event->heal_failed_count = 0;
+ event->healed_count = 0;
+ event->split_brain_count = 0;
+ event->heal_failed_count = 0;
- time (&event->start_time);
- event->end_time = 0;
+ event->start_time = gf_time();
+ event->end_time = 0;
+ _mask_cancellation();
}
-
void
-afr_shd_sweep_done (struct subvol_healer *healer)
+afr_shd_sweep_done(struct subvol_healer *healer)
{
- crawl_event_t *event = NULL;
- crawl_event_t *history = NULL;
- afr_self_heald_t *shd = NULL;
+ crawl_event_t *event = NULL;
+ crawl_event_t *history = NULL;
+ afr_self_heald_t *shd = NULL;
- event = &healer->crawl_event;
- shd = &(((afr_private_t *)healer->this->private)->shd);
+ event = &healer->crawl_event;
+ shd = &(((afr_private_t *)healer->this->private)->shd);
- time (&event->end_time);
- history = memdup (event, sizeof (*event));
- event->start_time = 0;
+ event->end_time = gf_time();
+ history = gf_memdup(event, sizeof(*event));
+ event->start_time = 0;
- if (!history)
- return;
+ if (!history)
+ return;
- if (eh_save_history (shd->statistics[healer->subvol], history) < 0)
- GF_FREE (history);
+ if (eh_save_history(shd->statistics[healer->subvol], history) < 0)
+ GF_FREE(history);
+ _unmask_cancellation();
}
int
-afr_shd_index_heal (xlator_t *subvol, gf_dirent_t *entry, loc_t *parent,
- void *data)
+afr_shd_index_heal(xlator_t *subvol, gf_dirent_t *entry, loc_t *parent,
+ void *data)
{
- struct subvol_healer *healer = data;
- afr_private_t *priv = NULL;
- uuid_t gfid = {0};
- int ret = 0;
- uint64_t val = IA_INVAL;
+ struct subvol_healer *healer = data;
+ afr_private_t *priv = NULL;
+ uuid_t gfid = {0};
+ int ret = 0;
+ uint64_t val = IA_INVAL;
- priv = healer->this->private;
- if (!priv->shd.enabled)
- return -EBUSY;
+ priv = healer->this->private;
+ if (!priv->shd.enabled)
+ return -EBUSY;
- gf_msg_debug (healer->this->name, 0, "got entry: %s from %s",
- entry->d_name, priv->children[healer->subvol]->name);
+ gf_msg_debug(healer->this->name, 0, "got entry: %s from %s", entry->d_name,
+ priv->children[healer->subvol]->name);
- ret = gf_uuid_parse (entry->d_name, gfid);
- if (ret)
- return 0;
+ ret = gf_uuid_parse(entry->d_name, gfid);
+ if (ret)
+ return 0;
- inode_ctx_get2 (parent->inode, subvol, NULL, &val);
+ inode_ctx_get2(parent->inode, subvol, NULL, &val);
- ret = afr_shd_selfheal (healer, healer->subvol, gfid);
+ ret = afr_shd_selfheal(healer, healer->subvol, gfid);
- if (ret == -ENOENT || ret == -ESTALE)
- afr_shd_index_purge (subvol, parent->inode, entry->d_name, val);
+ if (ret == -ENOENT || ret == -ESTALE)
+ afr_shd_entry_purge(subvol, parent->inode, entry->d_name, val);
- if (ret == 2)
- /* If bricks crashed in pre-op after creating indices/xattrop
- * link but before setting afr changelogs, we end up with stale
- * xattrop links but zero changelogs. Remove such entries by
- * sending a post-op with zero changelogs.
- */
- afr_shd_zero_xattrop (healer->this, gfid);
+ if (ret == 2)
+ /* If bricks crashed in pre-op after creating indices/xattrop
+ * link but before setting afr changelogs, we end up with stale
+ * xattrop links but zero changelogs. Remove such entries by
+ * sending a post-op with zero changelogs.
+ */
+ afr_shd_zero_xattrop(healer->this, gfid);
- return 0;
+ return 0;
}
int
-afr_shd_index_sweep (struct subvol_healer *healer, char *vgfid)
+afr_shd_index_sweep(struct subvol_healer *healer, char *vgfid)
{
- loc_t loc = {0};
- afr_private_t *priv = NULL;
- int ret = 0;
- xlator_t *subvol = NULL;
- dict_t *xdata = NULL;
- call_frame_t *frame = NULL;
-
- priv = healer->this->private;
- subvol = priv->children[healer->subvol];
-
- frame = afr_frame_create (healer->this, &ret);
- if (!frame) {
- ret = -ret;
- goto out;
- }
+ loc_t loc = {0};
+ afr_private_t *priv = NULL;
+ int ret = 0;
+ xlator_t *subvol = NULL;
+ dict_t *xdata = NULL;
+ call_frame_t *frame = NULL;
+
+ priv = healer->this->private;
+ subvol = priv->children[healer->subvol];
+
+ frame = afr_frame_create(healer->this, &ret);
+ if (!frame) {
+ ret = -ret;
+ goto out;
+ }
+
+ loc.inode = afr_shd_index_inode(healer->this, subvol, vgfid);
+ if (!loc.inode) {
+ gf_msg(healer->this->name, GF_LOG_WARNING, 0,
+ AFR_MSG_INDEX_DIR_GET_FAILED, "unable to get index-dir on %s",
+ subvol->name);
+ ret = -errno;
+ goto out;
+ }
+
+ xdata = dict_new();
+ if (!xdata || dict_set_int32_sizen(xdata, "get-gfid-type", 1)) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = syncop_mt_dir_scan(frame, subvol, &loc, GF_CLIENT_PID_SELF_HEALD,
+ healer, afr_shd_index_heal, xdata,
+ priv->shd.max_threads, priv->shd.wait_qlength);
+
+ if (ret == 0)
+ ret = healer->crawl_event.healed_count;
- loc.inode = afr_shd_index_inode (healer->this, subvol, vgfid);
- if (!loc.inode) {
- gf_msg (healer->this->name, GF_LOG_WARNING,
- 0, AFR_MSG_INDEX_DIR_GET_FAILED,
- "unable to get index-dir on %s", subvol->name);
- ret = -errno;
- goto out;
- }
-
- xdata = dict_new ();
- if (!xdata || dict_set_int32 (xdata, "get-gfid-type", 1)) {
- ret = -ENOMEM;
- goto out;
- }
-
- ret = syncop_mt_dir_scan (frame, subvol, &loc, GF_CLIENT_PID_SELF_HEALD,
- healer, afr_shd_index_heal, xdata,
- priv->shd.max_threads, priv->shd.wait_qlength);
+out:
+ loc_wipe(&loc);
- if (ret == 0)
- ret = healer->crawl_event.healed_count;
+ if (xdata)
+ dict_unref(xdata);
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ return ret;
+}
+int
+afr_shd_index_sweep_all(struct subvol_healer *healer)
+{
+ int ret = 0;
+ int count = 0;
+
+ ret = afr_shd_index_sweep(healer, GF_XATTROP_INDEX_GFID);
+ if (ret < 0)
+ goto out;
+ count = ret;
+
+ ret = afr_shd_index_sweep(healer, GF_XATTROP_DIRTY_GFID);
+ if (ret < 0)
+ goto out;
+ count += ret;
+
+ ret = afr_shd_index_sweep(healer, GF_XATTROP_ENTRY_CHANGES_GFID);
+ if (ret < 0)
+ goto out;
+ count += ret;
out:
- loc_wipe (&loc);
-
- if (xdata)
- dict_unref (xdata);
- if (frame)
- AFR_STACK_DESTROY (frame);
- return ret;
+ if (ret < 0)
+ return ret;
+ else
+ return count;
}
int
-afr_shd_index_sweep_all (struct subvol_healer *healer)
+afr_shd_full_heal(xlator_t *subvol, gf_dirent_t *entry, loc_t *parent,
+ void *data)
{
- int ret = 0;
- int count = 0;
+ struct subvol_healer *healer = data;
+ xlator_t *this = healer->this;
+ afr_private_t *priv = NULL;
- ret = afr_shd_index_sweep (healer, GF_XATTROP_INDEX_GFID);
- if (ret < 0)
- goto out;
- count = ret;
+ priv = this->private;
- ret = afr_shd_index_sweep (healer, GF_XATTROP_DIRTY_GFID);
- if (ret < 0)
- goto out;
- count += ret;
+ if (this->cleanup_starting) {
+ return -ENOTCONN;
+ }
- ret = afr_shd_index_sweep (healer, GF_XATTROP_ENTRY_CHANGES_GFID);
- if (ret < 0)
- goto out;
- count += ret;
-out:
- if (ret < 0)
- return ret;
- else
- return count;
+ if (!priv->shd.enabled)
+ return -EBUSY;
+
+ afr_shd_selfheal_name(healer, healer->subvol, parent->inode->gfid,
+ entry->d_name);
+
+ afr_shd_selfheal(healer, healer->subvol, entry->d_stat.ia_gfid);
+
+ return 0;
}
int
-afr_shd_full_heal (xlator_t *subvol, gf_dirent_t *entry, loc_t *parent,
- void *data)
+afr_shd_full_sweep(struct subvol_healer *healer, inode_t *inode)
{
- struct subvol_healer *healer = data;
- xlator_t *this = healer->this;
- afr_private_t *priv = NULL;
+ afr_private_t *priv = NULL;
+ loc_t loc = {0};
- priv = this->private;
- if (!priv->shd.enabled)
- return -EBUSY;
+ priv = healer->this->private;
+ loc.inode = inode;
+ return syncop_ftw(priv->children[healer->subvol], &loc,
+ GF_CLIENT_PID_SELF_HEALD, healer, afr_shd_full_heal);
+}
- afr_shd_selfheal_name (healer, healer->subvol,
- parent->inode->gfid, entry->d_name);
+int
+afr_shd_fill_ta_loc(xlator_t *this, loc_t *loc)
+{
+ afr_private_t *priv = NULL;
+ struct iatt stbuf = {
+ 0,
+ };
+ int ret = -1;
+
+ priv = this->private;
+ loc->parent = inode_ref(this->itable->root);
+ gf_uuid_copy(loc->pargfid, loc->parent->gfid);
+ loc->name = priv->pending_key[THIN_ARBITER_BRICK_INDEX];
+ loc->inode = inode_new(loc->parent->table);
+ GF_CHECK_ALLOC(loc->inode, ret, out);
+
+ if (!gf_uuid_is_null(priv->ta_gfid))
+ goto assign_gfid;
+
+ ret = syncop_lookup(priv->children[THIN_ARBITER_BRICK_INDEX], loc, &stbuf,
+ 0, 0, 0);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed lookup on file %s.", loc->name);
+ goto out;
+ }
+
+ gf_uuid_copy(priv->ta_gfid, stbuf.ia_gfid);
+
+assign_gfid:
+ gf_uuid_copy(loc->gfid, priv->ta_gfid);
+ ret = 0;
- afr_shd_selfheal (healer, healer->subvol, entry->d_stat.ia_gfid);
+out:
+ if (ret)
+ loc_wipe(loc);
- return 0;
+ return ret;
}
int
-afr_shd_full_sweep (struct subvol_healer *healer, inode_t *inode)
+_afr_shd_ta_get_xattrs(xlator_t *this, loc_t *loc, dict_t **xdata)
{
- afr_private_t *priv = NULL;
- loc_t loc = {0};
-
- priv = healer->this->private;
- loc.inode = inode;
- return syncop_ftw (priv->children[healer->subvol], &loc,
- GF_CLIENT_PID_SELF_HEALD, healer,
- afr_shd_full_heal);
+ afr_private_t *priv = NULL;
+ dict_t *xattr = NULL;
+ int raw[AFR_NUM_CHANGE_LOGS] = {
+ 0,
+ };
+ int ret = -1;
+ int i = 0;
+
+ priv = this->private;
+
+ xattr = dict_new();
+ if (!xattr) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_DICT_GET_FAILED,
+ "Failed to create dict.");
+ goto out;
+ }
+ for (i = 0; i < priv->child_count; i++) {
+ ret = dict_set_static_bin(xattr, priv->pending_key[i], &raw,
+ AFR_NUM_CHANGE_LOGS * sizeof(int));
+ if (ret)
+ goto out;
+ }
+
+ ret = syncop_xattrop(priv->children[THIN_ARBITER_BRICK_INDEX], loc,
+ GF_XATTROP_ADD_ARRAY, xattr, NULL, xdata, NULL);
+ if (ret || !(*xdata)) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Xattrop failed on %s.", loc->name);
+ }
+
+out:
+ if (xattr)
+ dict_unref(xattr);
+
+ return ret;
}
void
-afr_shd_ta_set_xattrs (xlator_t *this, loc_t *loc, dict_t **xdata,
- int healer)
+afr_shd_ta_get_xattrs(xlator_t *this, loc_t *loc, struct subvol_healer *healer,
+ dict_t **xdata)
{
- afr_private_t *priv = NULL;
- dict_t *xattr = NULL;
- struct gf_flock flock = {0, };
- gf_boolean_t need_xattrop = _gf_false;
- void *pending_raw = NULL;
- int *raw = NULL;
- int pending[AFR_NUM_CHANGE_LOGS] = {0,};
- int i = 0;
- int j = 0;
- int val = 0;
- int ret = 0;
-
- priv = this->private;
-
- xattr = dict_new ();
- if (!xattr) {
- goto out;
+ int ret = 0;
+
+ loc_wipe(loc);
+ if (afr_shd_fill_ta_loc(this, loc)) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to populate thin-arbiter loc for: %s.", loc->name);
+ ret = -1;
+ goto out;
+ }
+
+ ret = afr_ta_post_op_lock(this, loc);
+ if (ret)
+ goto out;
+
+ ret = _afr_shd_ta_get_xattrs(this, loc, xdata);
+ if (ret) {
+ if (*xdata) {
+ dict_unref(*xdata);
+ *xdata = NULL;
}
+ }
- for (i = 0; i < priv->child_count; i++) {
- raw = GF_CALLOC (AFR_NUM_CHANGE_LOGS, sizeof(int),
- gf_afr_mt_int32_t);
- if (!raw) {
- goto out;
- }
-
- ret = dict_get_ptr (*xdata, priv->pending_key[i], &pending_raw);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- AFR_MSG_DICT_GET_FAILED, "Error getting value "
- "of pending key %s", priv->pending_key[i]);
- GF_FREE (raw);
- goto out;
- }
+ afr_ta_post_op_unlock(this, loc);
- memcpy (pending, pending_raw, sizeof (pending));
- for (j = 0; j < AFR_NUM_CHANGE_LOGS; j++) {
- val = ntoh32 (pending[j]);
- if (val) {
- if (i == healer) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_THIN_ARB, "I am "
- "not the good shd. Skipping. "
- "SHD = %d.", healer);
- GF_FREE (raw);
- goto out;
- }
- need_xattrop = _gf_true;
- raw[j] = hton32 (-val);
- }
- }
+out:
+ if (ret)
+ healer->rerun = 1;
+}
- ret = dict_set_bin (xattr, priv->pending_key[i], raw,
- AFR_NUM_CHANGE_LOGS * sizeof (int));
- if (ret) {
- GF_FREE (raw);
- goto out;
- }
+int
+afr_shd_ta_unset_xattrs(xlator_t *this, loc_t *loc, dict_t **xdata, int healer)
+{
+ afr_private_t *priv = NULL;
+ dict_t *xattr = NULL;
+ gf_boolean_t need_xattrop = _gf_false;
+ void *pending_raw = NULL;
+ int *raw = NULL;
+ int pending[AFR_NUM_CHANGE_LOGS] = {
+ 0,
+ };
+ int i = 0;
+ int j = 0;
+ int val = 0;
+ int ret = -1;
+
+ priv = this->private;
+
+ xattr = dict_new();
+ if (!xattr) {
+ goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ raw = GF_CALLOC(AFR_NUM_CHANGE_LOGS, sizeof(int), gf_afr_mt_int32_t);
+ if (!raw) {
+ goto out;
+ }
- memset (pending, 0, sizeof (pending));
+ ret = dict_get_ptr(*xdata, priv->pending_key[i], &pending_raw);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_GET_FAILED,
+ "Error getting value "
+ "of pending key %s",
+ priv->pending_key[i]);
+ GF_FREE(raw);
+ goto out;
}
- if (!need_xattrop) {
- goto out;
+ memcpy(pending, pending_raw, sizeof(pending));
+ for (j = 0; j < AFR_NUM_CHANGE_LOGS; j++) {
+ val = ntoh32(pending[j]);
+ if (val) {
+ if (i == healer) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_THIN_ARB,
+ "I am "
+ "not the good shd. Skipping. "
+ "SHD = %d.",
+ healer);
+ ret = 0;
+ GF_FREE(raw);
+ goto out;
+ }
+ need_xattrop = _gf_true;
+ raw[j] = hton32(-val);
+ }
}
- flock.l_type = F_WRLCK;
- flock.l_start = 0;
- flock.l_len = 0;
+ ret = dict_set_bin(xattr, priv->pending_key[i], raw,
+ AFR_NUM_CHANGE_LOGS * sizeof(int));
+ if (ret) {
+ GF_FREE(raw);
+ goto out;
+ }
- ret = syncop_inodelk (priv->children[THIN_ARBITER_BRICK_INDEX],
- THIN_ARBITER_DOM1, loc, F_SETLKW, &flock,
- NULL, NULL);
- if (ret)
- goto out;
+ if (need_xattrop)
+ break;
+ }
- ret = syncop_xattrop (priv->children[THIN_ARBITER_BRICK_INDEX], loc,
- GF_XATTROP_ADD_ARRAY, xattr, NULL, NULL, NULL);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
- "Xattrop failed.");
+ if (!need_xattrop) {
+ ret = 0;
+ goto out;
+ }
- flock.l_type = F_UNLCK;
- syncop_inodelk (priv->children[THIN_ARBITER_BRICK_INDEX],
- THIN_ARBITER_DOM1, loc, F_SETLKW, &flock, NULL, NULL);
+ ret = syncop_xattrop(priv->children[THIN_ARBITER_BRICK_INDEX], loc,
+ GF_XATTROP_ADD_ARRAY, xattr, NULL, NULL, NULL);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Xattrop failed.");
out:
- if (xattr)
- dict_unref (xattr);
- return;
+ if (xattr)
+ dict_unref(xattr);
+
+ return ret;
}
void
-afr_shd_ta_get_xattrs (xlator_t *this, loc_t *loc, dict_t **xdata)
+afr_shd_ta_check_and_unset_xattrs(xlator_t *this, loc_t *loc,
+ struct subvol_healer *healer,
+ dict_t *pre_crawl_xdata)
{
- afr_private_t *priv = NULL;
- dict_t *xattr = NULL;
- struct iatt stbuf = {0,};
- int *raw = NULL;
- int ret = 0;
- int i = 0;
-
- priv = this->private;
-
- loc->parent = inode_ref (this->itable->root);
- gf_uuid_copy (loc->pargfid, loc->parent->gfid);
- loc->name = priv->pending_key[THIN_ARBITER_BRICK_INDEX];
- loc->inode = inode_new (loc->parent->table);
- if (!loc->inode) {
- goto out;
- }
+ int ret_lock = 0;
+ int ret = 0;
+ dict_t *post_crawl_xdata = NULL;
- ret = syncop_lookup (priv->children[THIN_ARBITER_BRICK_INDEX], loc,
- &stbuf, 0, 0, 0);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
- "Failed lookup on file %s.", loc->name);
- goto out;
- }
+ ret_lock = afr_ta_post_op_lock(this, loc);
+ if (ret_lock)
+ goto unref;
- gf_uuid_copy (priv->ta_gfid, stbuf.ia_gfid);
- gf_uuid_copy (loc->gfid, priv->ta_gfid);
+ ret = _afr_shd_ta_get_xattrs(this, loc, &post_crawl_xdata);
+ if (ret)
+ goto unref;
- xattr = dict_new ();
- if (!xattr) {
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_DICT_GET_FAILED,
- "Failed to create dict.");
- goto out;
+ if (!are_dicts_equal(pre_crawl_xdata, post_crawl_xdata, NULL, NULL)) {
+ ret = -1;
+ goto unref;
+ }
+
+ ret = afr_shd_ta_unset_xattrs(this, loc, &post_crawl_xdata, healer->subvol);
+
+unref:
+ if (post_crawl_xdata) {
+ dict_unref(post_crawl_xdata);
+ post_crawl_xdata = NULL;
+ }
+
+ if (ret || ret_lock)
+ healer->rerun = 1;
+
+ if (!ret_lock)
+ afr_ta_post_op_unlock(this, loc);
+}
+
+gf_boolean_t
+afr_bricks_available_for_heal(afr_private_t *priv)
+{
+ int up_children = 0;
+
+ up_children = __afr_get_up_children_count(priv);
+ if (up_children < 2) {
+ return _gf_false;
+ }
+ return _gf_true;
+}
+
+static gf_boolean_t
+afr_shd_ta_needs_heal(xlator_t *this, struct subvol_healer *healer)
+{
+ dict_t *xdata = NULL;
+ afr_private_t *priv = NULL;
+ loc_t loc = {
+ 0,
+ };
+ int ret = -1;
+ int i = 0;
+ gf_boolean_t need_heal = _gf_false;
+
+ priv = this->private;
+
+ ret = afr_shd_fill_ta_loc(this, &loc);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to populate thin-arbiter loc for: %s.", loc.name);
+ healer->rerun = 1;
+ goto out;
+ }
+
+ if (_afr_shd_ta_get_xattrs(this, &loc, &xdata)) {
+ healer->rerun = 1;
+ goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (afr_ta_dict_contains_pending_xattr(xdata, priv, i)) {
+ need_heal = _gf_true;
+ break;
}
+ }
- for (i = 0; i < priv->child_count; i++) {
- raw = GF_CALLOC (AFR_NUM_CHANGE_LOGS, sizeof(int),
- gf_afr_mt_int32_t);
- if (!raw) {
- goto out;
- }
+out:
+ if (xdata)
+ dict_unref(xdata);
+ loc_wipe(&loc);
- ret = dict_set_bin (xattr, priv->pending_key[i], raw,
- AFR_NUM_CHANGE_LOGS * sizeof (int));
- if (ret) {
- GF_FREE (raw);
- goto out;
+ return need_heal;
+}
+
+static int
+afr_shd_anon_inode_cleaner(xlator_t *subvol, gf_dirent_t *entry, loc_t *parent,
+ void *data)
+{
+ struct subvol_healer *healer = data;
+ afr_private_t *priv = healer->this->private;
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ int ret = 0;
+ loc_t loc = {0};
+ int count = 0;
+ int i = 0;
+ int op_errno = 0;
+ struct iatt *iatt = NULL;
+ gf_boolean_t multiple_links = _gf_false;
+ unsigned char *gfid_present = alloca0(priv->child_count);
+ unsigned char *entry_present = alloca0(priv->child_count);
+ char *type = "file";
+
+ frame = afr_frame_create(healer->this, &ret);
+ if (!frame) {
+ ret = -ret;
+ goto out;
+ }
+ local = frame->local;
+ if (AFR_COUNT(local->child_up, priv->child_count) != priv->child_count) {
+ gf_msg_debug(healer->this->name, 0,
+ "Not all bricks are up. Skipping "
+ "cleanup of %s on %s",
+ entry->d_name, subvol->name);
+ ret = 0;
+ goto out;
+ }
+
+ loc.inode = inode_new(parent->inode->table);
+ if (!loc.inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ ret = gf_uuid_parse(entry->d_name, loc.gfid);
+ if (ret) {
+ ret = 0;
+ goto out;
+ }
+ AFR_ONLIST(local->child_up, frame, afr_selfheal_discover_cbk, lookup, &loc,
+ NULL);
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].op_ret == 0) {
+ count++;
+ gfid_present[i] = 1;
+ iatt = &local->replies[i].poststat;
+ if (iatt->ia_type == IA_IFDIR) {
+ type = "dir";
+ }
+
+ if (i == healer->subvol) {
+ if (local->replies[i].poststat.ia_nlink > 1) {
+ multiple_links = _gf_true;
}
+ }
+ } else if (local->replies[i].op_errno != ENOENT &&
+ local->replies[i].op_errno != ESTALE) {
+ /*We don't have complete view. Skip the entry*/
+ gf_msg_debug(healer->this->name, local->replies[i].op_errno,
+ "Skipping cleanup of %s on %s", entry->d_name,
+ subvol->name);
+ ret = 0;
+ goto out;
}
-
- ret = syncop_xattrop (priv->children[THIN_ARBITER_BRICK_INDEX],
- loc, GF_XATTROP_ADD_ARRAY, xattr, NULL, xdata,
- NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
- "Xattrop failed.");
+ }
+
+ /*Inode is deleted from subvol*/
+ if (count == 1 || (iatt->ia_type != IA_IFDIR && multiple_links)) {
+ gf_msg(healer->this->name, GF_LOG_WARNING, 0,
+ AFR_MSG_EXPUNGING_FILE_OR_DIR, "expunging %s %s/%s on %s", type,
+ priv->anon_inode_name, entry->d_name, subvol->name);
+ ret = afr_shd_entry_purge(subvol, parent->inode, entry->d_name,
+ iatt->ia_type);
+ if (ret == -ENOENT || ret == -ESTALE)
+ ret = 0;
+ } else if (count > 1) {
+ loc_wipe(&loc);
+ loc.parent = inode_ref(parent->inode);
+ loc.name = entry->d_name;
+ loc.inode = inode_new(parent->inode->table);
+ if (!loc.inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ AFR_ONLIST(local->child_up, frame, afr_selfheal_discover_cbk, lookup,
+ &loc, NULL);
+ count = 0;
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->replies[i].op_ret == 0) {
+ count++;
+ entry_present[i] = 1;
+ iatt = &local->replies[i].poststat;
+ } else if (local->replies[i].op_errno != ENOENT &&
+ local->replies[i].op_errno != ESTALE) {
+ /*We don't have complete view. Skip the entry*/
+ gf_msg_debug(healer->this->name, local->replies[i].op_errno,
+ "Skipping cleanup of %s on %s", entry->d_name,
+ subvol->name);
+ ret = 0;
+ goto out;
+ }
+ }
+ for (i = 0; i < priv->child_count; i++) {
+ if (gfid_present[i] && !entry_present[i]) {
+ /*Entry is not anonymous on at least one subvol*/
+ gf_msg_debug(healer->this->name, 0,
+ "Valid entry present on %s "
+ "Skipping cleanup of %s on %s",
+ priv->children[i]->name, entry->d_name,
+ subvol->name);
+ ret = 0;
goto out;
+ }
+ }
+
+ gf_msg(healer->this->name, GF_LOG_WARNING, 0,
+ AFR_MSG_EXPUNGING_FILE_OR_DIR,
+ "expunging %s %s/%s on all subvols", type, priv->anon_inode_name,
+ entry->d_name);
+ ret = 0;
+ for (i = 0; i < priv->child_count; i++) {
+ op_errno = -afr_shd_entry_purge(priv->children[i], loc.parent,
+ entry->d_name, iatt->ia_type);
+ if (op_errno != ENOENT && op_errno != ESTALE) {
+ ret |= -op_errno;
+ }
}
- if (!(*xdata))
- gf_msg (this->name, GF_LOG_ERROR, 0, AFR_MSG_DICT_GET_FAILED,
- "Xdata response is empty.");
+ }
out:
- if (xattr)
- dict_unref (xattr);
- return;
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ loc_wipe(&loc);
+ return ret;
+}
+
+static void
+afr_cleanup_anon_inode_dir(struct subvol_healer *healer)
+{
+ int ret = 0;
+ call_frame_t *frame = NULL;
+ afr_private_t *priv = healer->this->private;
+ loc_t loc = {0};
+
+ ret = afr_anon_inode_create(healer->this, healer->subvol, &loc.inode);
+ if (ret)
+ goto out;
+
+ frame = afr_frame_create(healer->this, &ret);
+ if (!frame) {
+ ret = -ret;
+ goto out;
+ }
+
+ ret = syncop_mt_dir_scan(frame, priv->children[healer->subvol], &loc,
+ GF_CLIENT_PID_SELF_HEALD, healer,
+ afr_shd_anon_inode_cleaner, NULL,
+ priv->shd.max_threads, priv->shd.wait_qlength);
+out:
+ if (frame)
+ AFR_STACK_DESTROY(frame);
+ loc_wipe(&loc);
+ return;
}
void *
-afr_shd_index_healer (void *data)
+afr_shd_index_healer(void *data)
{
- struct subvol_healer *healer = NULL;
- xlator_t *this = NULL;
- int ret = 0;
- afr_private_t *priv = NULL;
- dict_t *xdata = NULL;
- loc_t loc = {0, };
-
- healer = data;
- THIS = this = healer->this;
- priv = this->private;
-
- for (;;) {
- afr_shd_healer_wait (healer);
-
- ASSERT_LOCAL(this, healer);
- priv->local[healer->subvol] = healer->local;
-
- if (priv->thin_arbiter_count) {
- loc_wipe (&loc);
- afr_shd_ta_get_xattrs (this, &loc, &xdata);
- }
+ struct subvol_healer *healer = NULL;
+ xlator_t *this = NULL;
+ int ret = 0;
+ afr_private_t *priv = NULL;
+ dict_t *pre_crawl_xdata = NULL;
+ loc_t loc = {
+ 0,
+ };
+
+ healer = data;
+ THIS = this = healer->this;
+ priv = this->private;
+
+ for (;;) {
+ afr_shd_healer_wait(healer);
+
+ if (!afr_bricks_available_for_heal(priv))
+ continue;
+
+ ASSERT_LOCAL(this, healer);
+ priv->local[healer->subvol] = healer->local;
+
+ if (priv->thin_arbiter_count) {
+ if (afr_shd_ta_needs_heal(this, healer))
+ afr_shd_ta_get_xattrs(this, &loc, healer, &pre_crawl_xdata);
+ }
+ do {
+ gf_msg_debug(this->name, 0, "starting index sweep on subvol %s",
+ afr_subvol_name(this, healer->subvol));
+
+ afr_shd_sweep_prepare(healer);
+
+ ret = afr_shd_index_sweep_all(healer);
+
+ afr_shd_sweep_done(healer);
+ /*
+ As long as at least one gfid was
+ healed, keep retrying. We may have
+ just healed a directory and thereby
+ created entries for other gfids which
+ could not be healed thus far.
+ */
+
+ gf_msg_debug(this->name, 0, "finished index sweep on subvol %s",
+ afr_subvol_name(this, healer->subvol));
+ /*
+ Give a pause before retrying to avoid a busy loop
+ in case the only entry in index is because of
+ an ongoing I/O.
+ */
+ sleep(1);
+ } while (ret > 0);
+
+ if (ret == 0) {
+ afr_cleanup_anon_inode_dir(healer);
+ }
- do {
- gf_msg_debug (this->name, 0,
- "starting index sweep on subvol %s",
- afr_subvol_name (this, healer->subvol));
-
- afr_shd_sweep_prepare (healer);
-
- ret = afr_shd_index_sweep_all (healer);
-
- afr_shd_sweep_done (healer);
- /*
- As long as at least one gfid was
- healed, keep retrying. We may have
- just healed a directory and thereby
- created entries for other gfids which
- could not be healed thus far.
- */
-
- gf_msg_debug (this->name, 0,
- "finished index sweep on subvol %s",
- afr_subvol_name (this, healer->subvol));
- /*
- Give a pause before retrying to avoid a busy loop
- in case the only entry in index is because of
- an ongoing I/O.
- */
- sleep (1);
- } while (ret > 0);
-
- if (xdata && !healer->crawl_event.heal_failed_count) {
- afr_shd_ta_set_xattrs (this, &loc, &xdata,
- healer->subvol);
- dict_unref (xdata);
- xdata = NULL;
- }
- }
+ if (ret == 0 && pre_crawl_xdata &&
+ !healer->crawl_event.heal_failed_count) {
+ afr_shd_ta_check_and_unset_xattrs(this, &loc, healer,
+ pre_crawl_xdata);
+ }
- loc_wipe (&loc);
+ if (pre_crawl_xdata) {
+ dict_unref(pre_crawl_xdata);
+ pre_crawl_xdata = NULL;
+ }
+ }
- return NULL;
+ return NULL;
}
-
void *
-afr_shd_full_healer (void *data)
+afr_shd_full_healer(void *data)
{
- struct subvol_healer *healer = NULL;
- xlator_t *this = NULL;
- int run = 0;
+ struct subvol_healer *healer = NULL;
+ xlator_t *this = NULL;
+ int run = 0;
- healer = data;
- THIS = this = healer->this;
+ healer = data;
+ THIS = this = healer->this;
- for (;;) {
- pthread_mutex_lock (&healer->mutex);
- {
- run = __afr_shd_healer_wait (healer);
- if (!run)
- healer->running = _gf_false;
- }
- pthread_mutex_unlock (&healer->mutex);
+ for (;;) {
+ pthread_mutex_lock(&healer->mutex);
+ {
+ run = __afr_shd_healer_wait(healer);
+ if (!run)
+ healer->running = _gf_false;
+ }
+ pthread_mutex_unlock(&healer->mutex);
- if (!run)
- break;
+ if (!run)
+ break;
- ASSERT_LOCAL(this, healer);
+ ASSERT_LOCAL(this, healer);
- gf_msg (this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
- "starting full sweep on subvol %s",
- afr_subvol_name (this, healer->subvol));
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
+ "starting full sweep on subvol %s",
+ afr_subvol_name(this, healer->subvol));
- afr_shd_sweep_prepare (healer);
+ afr_shd_sweep_prepare(healer);
- afr_shd_full_sweep (healer, this->itable->root);
+ afr_shd_full_sweep(healer, this->itable->root);
- afr_shd_sweep_done (healer);
+ afr_shd_sweep_done(healer);
- gf_msg (this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
- "finished full sweep on subvol %s",
- afr_subvol_name (this, healer->subvol));
- }
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_SELF_HEAL_INFO,
+ "finished full sweep on subvol %s",
+ afr_subvol_name(this, healer->subvol));
+ }
- return NULL;
+ return NULL;
}
-
int
-afr_shd_healer_init (xlator_t *this, struct subvol_healer *healer)
+afr_shd_healer_init(xlator_t *this, struct subvol_healer *healer)
{
- int ret = 0;
+ int ret = 0;
- ret = pthread_mutex_init (&healer->mutex, NULL);
- if (ret)
- goto out;
+ ret = pthread_mutex_init(&healer->mutex, NULL);
+ if (ret)
+ goto out;
- ret = pthread_cond_init (&healer->cond, NULL);
- if (ret)
- goto out;
+ ret = pthread_cond_init(&healer->cond, NULL);
+ if (ret)
+ goto out;
- healer->this = this;
- healer->running = _gf_false;
- healer->rerun = _gf_false;
- healer->local = _gf_false;
+ healer->this = this;
+ healer->running = _gf_false;
+ healer->rerun = _gf_false;
+ healer->local = _gf_false;
out:
- return ret;
+ return ret;
}
-
int
-afr_shd_healer_spawn (xlator_t *this, struct subvol_healer *healer,
- void *(threadfn)(void *))
+afr_shd_healer_spawn(xlator_t *this, struct subvol_healer *healer,
+ void *(threadfn)(void *))
{
- int ret = 0;
-
- pthread_mutex_lock (&healer->mutex);
- {
- if (healer->running) {
- pthread_cond_signal (&healer->cond);
- } else {
- ret = gf_thread_create (&healer->thread, NULL,
- threadfn, healer, "shdheal");
- if (ret)
- goto unlock;
- healer->running = 1;
- }
-
- healer->rerun = 1;
- }
+ int ret = 0;
+
+ pthread_mutex_lock(&healer->mutex);
+ {
+ if (healer->running) {
+ pthread_cond_signal(&healer->cond);
+ } else {
+ ret = gf_thread_create(&healer->thread, NULL, threadfn, healer,
+ "shdheal");
+ if (ret)
+ goto unlock;
+ healer->running = 1;
+ }
+
+ healer->rerun = 1;
+ }
unlock:
- pthread_mutex_unlock (&healer->mutex);
+ pthread_mutex_unlock(&healer->mutex);
- return ret;
+ return ret;
}
-
int
-afr_shd_full_healer_spawn (xlator_t *this, int subvol)
+afr_shd_full_healer_spawn(xlator_t *this, int subvol)
{
- return afr_shd_healer_spawn (this, NTH_FULL_HEALER (this, subvol),
- afr_shd_full_healer);
+ return afr_shd_healer_spawn(this, NTH_FULL_HEALER(this, subvol),
+ afr_shd_full_healer);
}
-
int
-afr_shd_index_healer_spawn (xlator_t *this, int subvol)
+afr_shd_index_healer_spawn(xlator_t *this, int subvol)
{
- return afr_shd_healer_spawn (this, NTH_INDEX_HEALER (this, subvol),
- afr_shd_index_healer);
+ return afr_shd_healer_spawn(this, NTH_INDEX_HEALER(this, subvol),
+ afr_shd_index_healer);
}
-
int
-afr_shd_dict_add_crawl_event (xlator_t *this, dict_t *output,
- crawl_event_t *crawl_event)
+afr_shd_dict_add_crawl_event(xlator_t *this, dict_t *output,
+ crawl_event_t *crawl_event)
{
- int ret = 0;
- uint64_t count = 0;
- char key[256] = {0};
- int xl_id = 0;
- uint64_t healed_count = 0;
- uint64_t split_brain_count = 0;
- uint64_t heal_failed_count = 0;
- char *start_time_str = 0;
- char *end_time_str = NULL;
- char *crawl_type = NULL;
- int progress = -1;
- int child = -1;
-
- child = crawl_event->child;
- healed_count = crawl_event->healed_count;
- split_brain_count = crawl_event->split_brain_count;
- heal_failed_count = crawl_event->heal_failed_count;
- crawl_type = crawl_event->crawl_type;
-
- if (!crawl_event->start_time)
- goto out;
-
- start_time_str = gf_strdup (ctime (&crawl_event->start_time));
-
- if (crawl_event->end_time)
- end_time_str = gf_strdup (ctime (&crawl_event->end_time));
-
- ret = dict_get_int32 (output, this->name, &xl_id);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- AFR_MSG_DICT_GET_FAILED, "xl does not have id");
- goto out;
- }
-
- snprintf (key, sizeof (key), "statistics-%d-%d-count", xl_id, child);
- ret = dict_get_uint64 (output, key, &count);
-
-
- snprintf (key, sizeof (key), "statistics_healed_cnt-%d-%d-%"PRIu64,
- xl_id, child, count);
- ret = dict_set_uint64(output, key, healed_count);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not add statistics_healed_count to output");
- goto out;
- }
-
- snprintf (key, sizeof (key), "statistics_sb_cnt-%d-%d-%"PRIu64,
- xl_id, child, count);
- ret = dict_set_uint64 (output, key, split_brain_count);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not add statistics_split_brain_count to output");
- goto out;
- }
-
- snprintf (key, sizeof (key), "statistics_crawl_type-%d-%d-%"PRIu64,
- xl_id, child, count);
- ret = dict_set_str (output, key, crawl_type);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not add statistics_crawl_type to output");
- goto out;
- }
-
- snprintf (key, sizeof (key), "statistics_heal_failed_cnt-%d-%d-%"PRIu64,
- xl_id, child, count);
- ret = dict_set_uint64 (output, key, heal_failed_count);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not add statistics_healed_failed_count to output");
- goto out;
- }
-
- snprintf (key, sizeof (key), "statistics_strt_time-%d-%d-%"PRIu64,
- xl_id, child, count);
- ret = dict_set_dynstr (output, key, start_time_str);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not add statistics_crawl_start_time to output");
- goto out;
- } else {
- start_time_str = NULL;
- }
-
- if (!end_time_str)
- progress = 1;
- else
- progress = 0;
-
- snprintf (key, sizeof (key), "statistics_end_time-%d-%d-%"PRIu64,
- xl_id, child, count);
- if (!end_time_str)
- end_time_str = gf_strdup ("Could not determine the end time");
- ret = dict_set_dynstr (output, key, end_time_str);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not add statistics_crawl_end_time to output");
- goto out;
- } else {
- end_time_str = NULL;
- }
-
- snprintf (key, sizeof (key), "statistics_inprogress-%d-%d-%"PRIu64,
- xl_id, child, count);
-
- ret = dict_set_int32 (output, key, progress);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not add statistics_inprogress to output");
- goto out;
- }
-
- snprintf (key, sizeof (key), "statistics-%d-%d-count", xl_id, child);
- ret = dict_set_uint64 (output, key, count + 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not increment the counter.");
- goto out;
- }
+ int ret = 0;
+ uint64_t count = 0;
+ char key[128] = {0};
+ int keylen = 0;
+ char suffix[64] = {0};
+ int xl_id = 0;
+ uint64_t healed_count = 0;
+ uint64_t split_brain_count = 0;
+ uint64_t heal_failed_count = 0;
+ char *start_time_str = 0;
+ char *end_time_str = NULL;
+ char *crawl_type = NULL;
+ int progress = -1;
+ int child = -1;
+
+ child = crawl_event->child;
+ healed_count = crawl_event->healed_count;
+ split_brain_count = crawl_event->split_brain_count;
+ heal_failed_count = crawl_event->heal_failed_count;
+ crawl_type = crawl_event->crawl_type;
+
+ if (!crawl_event->start_time)
+ goto out;
+
+ start_time_str = gf_strdup(ctime(&crawl_event->start_time));
+
+ if (crawl_event->end_time)
+ end_time_str = gf_strdup(ctime(&crawl_event->end_time));
+
+ ret = dict_get_int32(output, this->name, &xl_id);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_GET_FAILED,
+ "xl does not have id");
+ goto out;
+ }
+
+ snprintf(key, sizeof(key), "statistics-%d-%d-count", xl_id, child);
+ ret = dict_get_uint64(output, key, &count);
+
+ snprintf(suffix, sizeof(suffix), "%d-%d-%" PRIu64, xl_id, child, count);
+ snprintf(key, sizeof(key), "statistics_healed_cnt-%s", suffix);
+ ret = dict_set_uint64(output, key, healed_count);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not add statistics_healed_count to output");
+ goto out;
+ }
+
+ snprintf(key, sizeof(key), "statistics_sb_cnt-%s", suffix);
+ ret = dict_set_uint64(output, key, split_brain_count);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not add statistics_split_brain_count to output");
+ goto out;
+ }
+
+ keylen = snprintf(key, sizeof(key), "statistics_crawl_type-%s", suffix);
+ ret = dict_set_strn(output, key, keylen, crawl_type);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not add statistics_crawl_type to output");
+ goto out;
+ }
+
+ snprintf(key, sizeof(key), "statistics_heal_failed_cnt-%s", suffix);
+ ret = dict_set_uint64(output, key, heal_failed_count);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not add statistics_healed_failed_count to output");
+ goto out;
+ }
+
+ keylen = snprintf(key, sizeof(key), "statistics_strt_time-%s", suffix);
+ ret = dict_set_dynstrn(output, key, keylen, start_time_str);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not add statistics_crawl_start_time to output");
+ goto out;
+ } else {
+ start_time_str = NULL;
+ }
+
+ if (!end_time_str)
+ progress = 1;
+ else
+ progress = 0;
+
+ keylen = snprintf(key, sizeof(key), "statistics_end_time-%s", suffix);
+ if (!end_time_str)
+ end_time_str = gf_strdup("Could not determine the end time");
+ ret = dict_set_dynstrn(output, key, keylen, end_time_str);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not add statistics_crawl_end_time to output");
+ goto out;
+ } else {
+ end_time_str = NULL;
+ }
+
+ keylen = snprintf(key, sizeof(key), "statistics_inprogress-%s", suffix);
+
+ ret = dict_set_int32n(output, key, keylen, progress);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not add statistics_inprogress to output");
+ goto out;
+ }
+
+ snprintf(key, sizeof(key), "statistics-%d-%d-count", xl_id, child);
+ ret = dict_set_uint64(output, key, count + 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not increment the counter.");
+ goto out;
+ }
out:
- GF_FREE (start_time_str);
- GF_FREE (end_time_str);
- return ret;
+ GF_FREE(start_time_str);
+ GF_FREE(end_time_str);
+ return ret;
}
-
int
-afr_shd_dict_add_path (xlator_t *this, dict_t *output, int child, char *path,
- struct timeval *tv)
+afr_shd_dict_add_path(xlator_t *this, dict_t *output, int child, char *path,
+ struct timeval *tv)
{
- int ret = -1;
- uint64_t count = 0;
- char key[256] = {0};
- int xl_id = 0;
-
- ret = dict_get_int32 (output, this->name, &xl_id);
+ int ret = -1;
+ uint64_t count = 0;
+ char key[64] = {0};
+ int keylen = 0;
+ char xl_id_child_str[32] = {0};
+ int xl_id = 0;
+
+ ret = dict_get_int32(output, this->name, &xl_id);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_GET_FAILED,
+ "xl does not have id");
+ goto out;
+ }
+
+ snprintf(xl_id_child_str, sizeof(xl_id_child_str), "%d-%d", xl_id, child);
+ snprintf(key, sizeof(key), "%s-count", xl_id_child_str);
+ ret = dict_get_uint64(output, key, &count);
+
+ keylen = snprintf(key, sizeof(key), "%s-%" PRIu64, xl_id_child_str, count);
+ ret = dict_set_dynstrn(output, key, keylen, path);
+
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "%s: Could not add to output", path);
+ goto out;
+ }
+
+ if (tv) {
+ snprintf(key, sizeof(key), "%s-%" PRIu64 "-time", xl_id_child_str,
+ count);
+ ret = dict_set_uint32(output, key, tv->tv_sec);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- AFR_MSG_DICT_GET_FAILED, "xl does not have id");
- goto out;
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "%s: Could not set time", path);
+ goto out;
}
+ }
- snprintf (key, sizeof (key), "%d-%d-count", xl_id, child);
- ret = dict_get_uint64 (output, key, &count);
-
- snprintf (key, sizeof (key), "%d-%d-%"PRIu64, xl_id, child, count);
- ret = dict_set_dynstr (output, key, path);
-
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- AFR_MSG_DICT_SET_FAILED, "%s: Could not add to output",
- path);
- goto out;
- }
+ snprintf(key, sizeof(key), "%s-count", xl_id_child_str);
- if (tv) {
- snprintf (key, sizeof (key), "%d-%d-%"PRIu64"-time", xl_id,
- child, count);
- ret = dict_set_uint32 (output, key, tv->tv_sec);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "%s: Could not set time",
- path);
- goto out;
- }
- }
-
- snprintf (key, sizeof (key), "%d-%d-count", xl_id, child);
-
- ret = dict_set_uint64 (output, key, count + 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- -ret, AFR_MSG_DICT_SET_FAILED,
- "Could not increment count");
- goto out;
- }
+ ret = dict_set_uint64(output, key, count + 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "Could not increment count");
+ goto out;
+ }
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
int
-afr_add_shd_event (circular_buffer_t *cb, void *data)
+afr_add_shd_event(circular_buffer_t *cb, void *data)
{
- dict_t *output = NULL;
- xlator_t *this = THIS;
- afr_private_t *priv = NULL;
- afr_self_heald_t *shd = NULL;
- shd_event_t *shd_event = NULL;
- char *path = NULL;
-
- output = data;
- priv = this->private;
- shd = &priv->shd;
- shd_event = cb->data;
-
- if (!shd->index_healers[shd_event->child].local)
- return 0;
-
- path = gf_strdup (shd_event->path);
- if (!path)
- return -ENOMEM;
-
- afr_shd_dict_add_path (this, output, shd_event->child, path,
- &cb->tv);
- return 0;
+ dict_t *output = NULL;
+ xlator_t *this = THIS;
+ afr_private_t *priv = NULL;
+ afr_self_heald_t *shd = NULL;
+ shd_event_t *shd_event = NULL;
+ char *path = NULL;
+
+ output = data;
+ priv = this->private;
+ shd = &priv->shd;
+ shd_event = cb->data;
+
+ if (!shd->index_healers[shd_event->child].local)
+ return 0;
+
+ path = gf_strdup(shd_event->path);
+ if (!path)
+ return -ENOMEM;
+
+ afr_shd_dict_add_path(this, output, shd_event->child, path, &cb->tv);
+ return 0;
}
int
-afr_add_crawl_event (circular_buffer_t *cb, void *data)
+afr_add_crawl_event(circular_buffer_t *cb, void *data)
{
- dict_t *output = NULL;
- xlator_t *this = THIS;
- afr_private_t *priv = NULL;
- afr_self_heald_t *shd = NULL;
- crawl_event_t *crawl_event = NULL;
-
- output = data;
- priv = this->private;
- shd = &priv->shd;
- crawl_event = cb->data;
-
- if (!shd->index_healers[crawl_event->child].local)
- return 0;
+ dict_t *output = NULL;
+ xlator_t *this = THIS;
+ afr_private_t *priv = NULL;
+ afr_self_heald_t *shd = NULL;
+ crawl_event_t *crawl_event = NULL;
+
+ output = data;
+ priv = this->private;
+ shd = &priv->shd;
+ crawl_event = cb->data;
+
+ if (!shd->index_healers[crawl_event->child].local)
+ return 0;
- afr_shd_dict_add_crawl_event (this, output, crawl_event);
+ afr_shd_dict_add_crawl_event(this, output, crawl_event);
- return 0;
+ return 0;
}
-
int
-afr_selfheal_daemon_init (xlator_t *this)
+afr_selfheal_daemon_init(xlator_t *this)
{
- afr_private_t *priv = NULL;
- afr_self_heald_t *shd = NULL;
- int ret = -1;
- int i = 0;
-
- priv = this->private;
- shd = &priv->shd;
-
- this->itable = inode_table_new (SHD_INODE_LRU_LIMIT, this);
- if (!this->itable)
- goto out;
-
- shd->index_healers = GF_CALLOC (sizeof(*shd->index_healers),
- priv->child_count,
- gf_afr_mt_subvol_healer_t);
- if (!shd->index_healers)
- goto out;
-
- for (i = 0; i < priv->child_count; i++) {
- shd->index_healers[i].subvol = i;
- ret = afr_shd_healer_init (this, &shd->index_healers[i]);
- if (ret)
- goto out;
- }
-
- shd->full_healers = GF_CALLOC (sizeof(*shd->full_healers),
- priv->child_count,
- gf_afr_mt_subvol_healer_t);
- if (!shd->full_healers)
- goto out;
- for (i = 0; i < priv->child_count; i++) {
- shd->full_healers[i].subvol = i;
- ret = afr_shd_healer_init (this, &shd->full_healers[i]);
- if (ret)
- goto out;
- }
-
- shd->split_brain = eh_new (AFR_EH_SPLIT_BRAIN_LIMIT, _gf_false,
- afr_destroy_shd_event_data);
- if (!shd->split_brain)
- goto out;
-
- shd->statistics = GF_CALLOC (sizeof(eh_t *), priv->child_count,
- gf_common_mt_eh_t);
- if (!shd->statistics)
- goto out;
-
- for (i = 0; i < priv->child_count ; i++) {
- shd->statistics[i] = eh_new (AFR_STATISTICS_HISTORY_SIZE,
- _gf_false,
- afr_destroy_crawl_event_data);
- if (!shd->statistics[i])
- goto out;
- shd->full_healers[i].crawl_event.child = i;
- shd->full_healers[i].crawl_event.crawl_type = "FULL";
- shd->index_healers[i].crawl_event.child = i;
- shd->index_healers[i].crawl_event.crawl_type = "INDEX";
- }
-
- ret = 0;
+ afr_private_t *priv = NULL;
+ afr_self_heald_t *shd = NULL;
+ int ret = -1;
+ int i = 0;
+
+ priv = this->private;
+ shd = &priv->shd;
+
+ shd->index_healers = GF_CALLOC(sizeof(*shd->index_healers),
+ priv->child_count,
+ gf_afr_mt_subvol_healer_t);
+ if (!shd->index_healers)
+ goto out;
+
+ for (i = 0; i < priv->child_count; i++) {
+ shd->index_healers[i].subvol = i;
+ ret = afr_shd_healer_init(this, &shd->index_healers[i]);
+ if (ret)
+ goto out;
+ }
+
+ shd->full_healers = GF_CALLOC(sizeof(*shd->full_healers), priv->child_count,
+ gf_afr_mt_subvol_healer_t);
+ if (!shd->full_healers)
+ goto out;
+ for (i = 0; i < priv->child_count; i++) {
+ shd->full_healers[i].subvol = i;
+ ret = afr_shd_healer_init(this, &shd->full_healers[i]);
+ if (ret)
+ goto out;
+ }
+
+ shd->split_brain = eh_new(AFR_EH_SPLIT_BRAIN_LIMIT, _gf_false,
+ afr_destroy_shd_event_data);
+ if (!shd->split_brain)
+ goto out;
+
+ shd->statistics = GF_CALLOC(sizeof(eh_t *), priv->child_count,
+ gf_common_mt_eh_t);
+ if (!shd->statistics)
+ goto out;
+
+ for (i = 0; i < priv->child_count; i++) {
+ shd->statistics[i] = eh_new(AFR_STATISTICS_HISTORY_SIZE, _gf_false,
+ afr_destroy_crawl_event_data);
+ if (!shd->statistics[i])
+ goto out;
+ shd->full_healers[i].crawl_event.child = i;
+ shd->full_healers[i].crawl_event.crawl_type = "FULL";
+ shd->index_healers[i].crawl_event.child = i;
+ shd->index_healers[i].crawl_event.crawl_type = "INDEX";
+ }
+
+ ret = 0;
out:
- return ret;
+ return ret;
}
-
-int
-afr_selfheal_childup (xlator_t *this, int subvol)
+void
+afr_selfheal_childup(xlator_t *this, afr_private_t *priv)
{
- afr_shd_index_healer_spawn (this, subvol);
+ int subvol = 0;
- return 0;
-}
+ if (!priv->shd.iamshd)
+ return;
+ for (subvol = 0; subvol < priv->child_count; subvol++)
+ if (priv->child_up[subvol])
+ afr_shd_index_healer_spawn(this, subvol);
+ return;
+}
int
-afr_shd_get_index_count (xlator_t *this, int i, uint64_t *count)
+afr_shd_get_index_count(xlator_t *this, int i, uint64_t *count)
{
- afr_private_t *priv = NULL;
- xlator_t *subvol = NULL;
- loc_t rootloc = {0, };
- dict_t *xattr = NULL;
- int ret = -1;
+ afr_private_t *priv = NULL;
+ xlator_t *subvol = NULL;
+ loc_t rootloc = {
+ 0,
+ };
+ dict_t *xattr = NULL;
+ int ret = -1;
- priv = this->private;
- subvol = priv->children[i];
+ priv = this->private;
+ subvol = priv->children[i];
- rootloc.inode = inode_ref (this->itable->root);
- gf_uuid_copy (rootloc.gfid, rootloc.inode->gfid);
+ rootloc.inode = inode_ref(this->itable->root);
+ gf_uuid_copy(rootloc.gfid, rootloc.inode->gfid);
- ret = syncop_getxattr (subvol, &rootloc, &xattr,
- GF_XATTROP_INDEX_COUNT, NULL, NULL);
- if (ret < 0)
- goto out;
+ ret = syncop_getxattr(subvol, &rootloc, &xattr, GF_XATTROP_INDEX_COUNT,
+ NULL, NULL);
+ if (ret < 0)
+ goto out;
- ret = dict_get_uint64 (xattr, GF_XATTROP_INDEX_COUNT, count);
- if (ret)
- goto out;
+ ret = dict_get_uint64(xattr, GF_XATTROP_INDEX_COUNT, count);
+ if (ret)
+ goto out;
- ret = 0;
+ ret = 0;
out:
- if (xattr)
- dict_unref (xattr);
- loc_wipe (&rootloc);
+ if (xattr)
+ dict_unref(xattr);
+ loc_wipe(&rootloc);
- return ret;
+ return ret;
}
-
int
-afr_xl_op (xlator_t *this, dict_t *input, dict_t *output)
+afr_xl_op(xlator_t *this, dict_t *input, dict_t *output)
{
- gf_xl_afr_op_t op = GF_SHD_OP_INVALID;
- int ret = 0;
- int xl_id = 0;
- afr_private_t *priv = NULL;
- afr_self_heald_t *shd = NULL;
- struct subvol_healer *healer = NULL;
- int i = 0;
- char key[64];
- int op_ret = 0;
- uint64_t cnt = 0;
-
- priv = this->private;
- shd = &priv->shd;
-
- ret = dict_get_int32 (input, "xl-op", (int32_t*)&op);
- if (ret)
- goto out;
- ret = dict_get_int32 (input, this->name, &xl_id);
- if (ret)
- goto out;
- ret = dict_set_int32 (output, this->name, xl_id);
- if (ret)
- goto out;
- switch (op) {
+ gf_xl_afr_op_t op = GF_SHD_OP_INVALID;
+ int ret = 0;
+ int xl_id = 0;
+ afr_private_t *priv = NULL;
+ afr_self_heald_t *shd = NULL;
+ struct subvol_healer *healer = NULL;
+ int i = 0;
+ char key[64];
+ int keylen = 0;
+ int this_name_len = 0;
+ int op_ret = 0;
+ uint64_t cnt = 0;
+
+#define AFR_SET_DICT_AND_LOG(name, output, key, keylen, dict_str, \
+ dict_str_len) \
+ { \
+ int ret; \
+ \
+ ret = dict_set_nstrn(output, key, keylen, dict_str, dict_str_len); \
+ if (ret) { \
+ gf_smsg(name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED, \
+ "key=%s", key, "value=%s", dict_str, NULL); \
+ } \
+ }
+
+ priv = this->private;
+ shd = &priv->shd;
+
+ ret = dict_get_int32_sizen(input, "xl-op", (int32_t *)&op);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_GET_FAILED,
+ "key=xl-op", NULL);
+ goto out;
+ }
+ this_name_len = strlen(this->name);
+ ret = dict_get_int32n(input, this->name, this_name_len, &xl_id);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_GET_FAILED,
+ "key=%s", this->name, NULL);
+ goto out;
+ }
+ ret = dict_set_int32n(output, this->name, this_name_len, xl_id);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_DICT_SET_FAILED,
+ "key=%s", this->name, NULL);
+ goto out;
+ }
+ switch (op) {
case GF_SHD_OP_HEAL_INDEX:
- op_ret = 0;
-
- for (i = 0; i < priv->child_count; i++) {
- healer = &shd->index_healers[i];
- snprintf (key, sizeof (key), "%d-%d-status", xl_id, i);
-
- if (!priv->child_up[i]) {
- ret = dict_set_str (output, key,
- "Brick is not connected");
- op_ret = -1;
- } else if (AFR_COUNT (priv->child_up,
- priv->child_count) < 2) {
- ret = dict_set_str (output, key,
- "< 2 bricks in replica are up");
- op_ret = -1;
- } else if (!afr_shd_is_subvol_local (this, healer->subvol)) {
- ret = dict_set_str (output, key,
- "Brick is remote");
- } else {
- ret = dict_set_str (output, key,
- "Started self-heal");
- afr_shd_index_healer_spawn (this, i);
- }
- }
- break;
+ op_ret = 0;
+
+ for (i = 0; i < priv->child_count; i++) {
+ healer = &shd->index_healers[i];
+ keylen = snprintf(key, sizeof(key), "%d-%d-status", xl_id, i);
+
+ if (!priv->child_up[i]) {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SBRICK_NOT_CONNECTED,
+ SLEN(SBRICK_NOT_CONNECTED));
+ op_ret = -1;
+ } else if (AFR_COUNT(priv->child_up, priv->child_count) < 2) {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SLESS_THAN2_BRICKS_in_REP,
+ SLEN(SLESS_THAN2_BRICKS_in_REP));
+ op_ret = -1;
+ } else if (!afr_shd_is_subvol_local(this, healer->subvol)) {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SBRICK_IS_REMOTE,
+ SLEN(SBRICK_IS_REMOTE));
+ } else {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SSTARTED_SELF_HEAL,
+ SLEN(SSTARTED_SELF_HEAL));
+
+ ret = afr_shd_index_healer_spawn(this, i);
+
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ AFR_MSG_HEALER_SPAWN_FAILED, NULL);
+ }
+ }
+ }
+ break;
case GF_SHD_OP_HEAL_FULL:
- op_ret = -1;
-
- for (i = 0; i < priv->child_count; i++) {
- healer = &shd->full_healers[i];
- snprintf (key, sizeof (key), "%d-%d-status", xl_id, i);
-
- if (!priv->child_up[i]) {
- ret = dict_set_str (output, key,
- "Brick is not connected");
- } else if (AFR_COUNT (priv->child_up,
- priv->child_count) < 2) {
- ret = dict_set_str (output, key,
- "< 2 bricks in replica are up");
- } else if (!afr_shd_is_subvol_local (this, healer->subvol)) {
- ret = dict_set_str (output, key,
- "Brick is remote");
- } else {
- ret = dict_set_str (output, key,
- "Started self-heal");
- afr_shd_full_healer_spawn (this, i);
- op_ret = 0;
- }
- }
- break;
- case GF_SHD_OP_INDEX_SUMMARY:
- /* this case has been handled in glfs-heal.c */
- break;
- case GF_SHD_OP_HEALED_FILES:
- case GF_SHD_OP_HEAL_FAILED_FILES:
- for (i = 0; i < priv->child_count; i++) {
- snprintf (key, sizeof (key), "%d-%d-status", xl_id, i);
- ret = dict_set_str (output, key, "Operation Not "
- "Supported");
+ op_ret = -1;
+
+ for (i = 0; i < priv->child_count; i++) {
+ healer = &shd->full_healers[i];
+ keylen = snprintf(key, sizeof(key), "%d-%d-status", xl_id, i);
+
+ if (!priv->child_up[i]) {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SBRICK_NOT_CONNECTED,
+ SLEN(SBRICK_NOT_CONNECTED));
+ } else if (AFR_COUNT(priv->child_up, priv->child_count) < 2) {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SLESS_THAN2_BRICKS_in_REP,
+ SLEN(SLESS_THAN2_BRICKS_in_REP));
+ } else if (!afr_shd_is_subvol_local(this, healer->subvol)) {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SBRICK_IS_REMOTE,
+ SLEN(SBRICK_IS_REMOTE));
+ } else {
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SSTARTED_SELF_HEAL,
+ SLEN(SSTARTED_SELF_HEAL));
+
+ ret = afr_shd_full_healer_spawn(this, i);
+
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ AFR_MSG_HEALER_SPAWN_FAILED, NULL);
+ }
+ op_ret = 0;
}
- break;
+ }
+ break;
+ case GF_SHD_OP_INDEX_SUMMARY:
+ /* this case has been handled in glfs-heal.c */
+ break;
case GF_SHD_OP_SPLIT_BRAIN_FILES:
- eh_dump (shd->split_brain, output, afr_add_shd_event);
- break;
+ eh_dump(shd->split_brain, output, afr_add_shd_event);
+ break;
case GF_SHD_OP_STATISTICS:
- for (i = 0; i < priv->child_count; i++) {
- eh_dump (shd->statistics[i], output,
- afr_add_crawl_event);
- afr_shd_dict_add_crawl_event (this, output,
- &shd->index_healers[i].crawl_event);
- afr_shd_dict_add_crawl_event (this, output,
- &shd->full_healers[i].crawl_event);
- }
- break;
+ for (i = 0; i < priv->child_count; i++) {
+ eh_dump(shd->statistics[i], output, afr_add_crawl_event);
+ ret = afr_shd_dict_add_crawl_event(
+ this, output, &shd->index_healers[i].crawl_event);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ AFR_MSG_ADD_CRAWL_EVENT_FAILED, NULL);
+ }
+
+ ret = afr_shd_dict_add_crawl_event(
+ this, output, &shd->full_healers[i].crawl_event);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ AFR_MSG_ADD_CRAWL_EVENT_FAILED, NULL);
+ }
+ }
+ break;
case GF_SHD_OP_STATISTICS_HEAL_COUNT:
case GF_SHD_OP_STATISTICS_HEAL_COUNT_PER_REPLICA:
- op_ret = -1;
-
- for (i = 0; i < priv->child_count; i++) {
- if (!priv->child_up[i]) {
- snprintf (key, sizeof (key), "%d-%d-status",
- xl_id, i);
- ret = dict_set_str (output, key,
- "Brick is not connected");
- } else {
- snprintf (key, sizeof (key), "%d-%d-hardlinks",
- xl_id, i);
- ret = afr_shd_get_index_count (this, i, &cnt);
- if (ret == 0) {
- ret = dict_set_uint64 (output, key, cnt);
- }
- op_ret = 0;
- }
- }
-
- break;
+ op_ret = -1;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!priv->child_up[i]) {
+ keylen = snprintf(key, sizeof(key), "%d-%d-status", xl_id,
+ i);
+ AFR_SET_DICT_AND_LOG(this->name, output, key, keylen,
+ SBRICK_NOT_CONNECTED,
+ SLEN(SBRICK_NOT_CONNECTED));
+ } else {
+ snprintf(key, sizeof(key), "%d-%d-hardlinks", xl_id, i);
+ ret = afr_shd_get_index_count(this, i, &cnt);
+ if (ret == 0) {
+ ret = dict_set_uint64(output, key, cnt);
+ }
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ AFR_MSG_DICT_SET_FAILED, NULL);
+ }
+ op_ret = 0;
+ }
+ }
+
+ break;
default:
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_ARG, "Unknown set op %d", op);
- break;
- }
+ gf_smsg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_ARG, "op=%d",
+ op, NULL);
+ break;
+ }
out:
- dict_del (output, this->name);
- return op_ret;
+ dict_deln(output, this->name, this_name_len);
+ return op_ret;
+
+#undef AFR_SET_DICT_AND_LOG
}
diff --git a/xlators/cluster/afr/src/afr-self-heald.h b/xlators/cluster/afr/src/afr-self-heald.h
index 4ac1d32f58a..18db728ea7b 100644
--- a/xlators/cluster/afr/src/afr-self-heald.h
+++ b/xlators/cluster/afr/src/afr-self-heald.h
@@ -8,74 +8,68 @@
cases as published by the Free Software Foundation.
*/
-
#ifndef _AFR_SELF_HEALD_H
#define _AFR_SELF_HEALD_H
#include <pthread.h>
-
typedef struct {
- int child;
- char *path;
+ char *path;
+ int child;
} shd_event_t;
typedef struct {
- int child;
- uint64_t healed_count;
- uint64_t split_brain_count;
- uint64_t heal_failed_count;
-
- /* If start_time is 0, it means crawler is not in progress
- and stats are not valid */
- time_t start_time;
- /* If start_time is NOT 0 and end_time is 0, it means
- cralwer is in progress */
- time_t end_time;
- char *crawl_type;
+ uint64_t healed_count;
+ uint64_t split_brain_count;
+ uint64_t heal_failed_count;
+
+ /* If start_time is 0, it means crawler is not in progress
+ and stats are not valid */
+ time_t start_time;
+ /* If start_time is NOT 0 and end_time is 0, it means
+ cralwer is in progress */
+ time_t end_time;
+ char *crawl_type;
+ int child;
} crawl_event_t;
struct subvol_healer {
- xlator_t *this;
- int subvol;
- gf_boolean_t local;
- gf_boolean_t running;
- gf_boolean_t rerun;
- crawl_event_t crawl_event;
- pthread_mutex_t mutex;
- pthread_cond_t cond;
- pthread_t thread;
+ xlator_t *this;
+ crawl_event_t crawl_event;
+ pthread_mutex_t mutex;
+ pthread_cond_t cond;
+ pthread_t thread;
+ int subvol;
+ gf_boolean_t local;
+ gf_boolean_t running;
+ gf_boolean_t rerun;
};
typedef struct {
- gf_boolean_t iamshd;
- gf_boolean_t enabled;
- int timeout;
- struct subvol_healer *index_healers;
- struct subvol_healer *full_healers;
-
- eh_t *split_brain;
- eh_t **statistics;
- uint32_t max_threads;
- uint32_t wait_qlength;
- uint32_t halo_max_latency_msec;
+ struct subvol_healer *index_healers;
+ struct subvol_healer *full_healers;
+
+ eh_t *split_brain;
+ eh_t **statistics;
+ int timeout;
+ uint32_t max_threads;
+ uint32_t wait_qlength;
+ uint32_t halo_max_latency_msec;
+ gf_boolean_t iamshd;
+ gf_boolean_t enabled;
} afr_self_heald_t;
-
-int
-afr_selfheal_childup (xlator_t *this, int subvol);
-
int
-afr_selfheal_daemon_init (xlator_t *this);
+afr_selfheal_daemon_init(xlator_t *this);
int
-afr_xl_op (xlator_t *this, dict_t *input, dict_t *output);
+afr_xl_op(xlator_t *this, dict_t *input, dict_t *output);
int
-afr_shd_gfid_to_path (xlator_t *this, xlator_t *subvol, uuid_t gfid,
- char **path_p);
+afr_shd_gfid_to_path(xlator_t *this, xlator_t *subvol, uuid_t gfid,
+ char **path_p);
int
-afr_shd_index_purge (xlator_t *subvol, inode_t *inode, char *name,
- ia_type_t type);
+afr_shd_entry_purge(xlator_t *subvol, inode_t *inode, char *name,
+ ia_type_t type);
#endif /* !_AFR_SELF_HEALD_H */
diff --git a/xlators/cluster/afr/src/afr-transaction.c b/xlators/cluster/afr/src/afr-transaction.c
index 77398519ba0..a51f79b1f43 100644
--- a/xlators/cluster/afr/src/afr-transaction.c
+++ b/xlators/cluster/afr/src/afr-transaction.c
@@ -8,10 +8,10 @@
cases as published by the Free Software Foundation.
*/
-#include "dict.h"
-#include "byte-order.h"
-#include "common-utils.h"
-#include "timer.h"
+#include <glusterfs/dict.h>
+#include <glusterfs/byte-order.h>
+#include <glusterfs/common-utils.h>
+#include <glusterfs/timer.h>
#include "afr.h"
#include "afr-transaction.h"
@@ -21,2535 +21,2907 @@
#include <signal.h>
typedef enum {
- AFR_TRANSACTION_PRE_OP,
- AFR_TRANSACTION_POST_OP,
+ AFR_TRANSACTION_PRE_OP,
+ AFR_TRANSACTION_POST_OP,
} afr_xattrop_type_t;
static void
-afr_lock_resume_shared (struct list_head *list);
+afr_lock_resume_shared(struct list_head *list);
+
+static void
+afr_post_op_handle_success(call_frame_t *frame, xlator_t *this);
+
+static void
+afr_post_op_handle_failure(call_frame_t *frame, xlator_t *this, int op_errno);
void
-__afr_transaction_wake_shared (afr_local_t *local, struct list_head *shared);
+__afr_transaction_wake_shared(afr_local_t *local, struct list_head *shared);
void
-afr_changelog_post_op (call_frame_t *frame, xlator_t *this);
+afr_changelog_post_op_do(call_frame_t *frame, xlator_t *this);
int
-afr_changelog_post_op_safe (call_frame_t *frame, xlator_t *this);
+afr_changelog_post_op_safe(call_frame_t *frame, xlator_t *this);
gf_boolean_t
-afr_changelog_pre_op_uninherit (call_frame_t *frame, xlator_t *this);
+afr_changelog_pre_op_uninherit(call_frame_t *frame, xlator_t *this);
gf_boolean_t
-afr_changelog_pre_op_update (call_frame_t *frame, xlator_t *this);
+afr_changelog_pre_op_update(call_frame_t *frame, xlator_t *this);
int
-afr_changelog_call_count (afr_transaction_type type,
- unsigned char *pre_op_subvols,
- unsigned char *failed_subvols,
- unsigned int child_count);
+afr_changelog_call_count(afr_transaction_type type,
+ unsigned char *pre_op_subvols,
+ unsigned char *failed_subvols,
+ unsigned int child_count);
int
-afr_changelog_do (call_frame_t *frame, xlator_t *this, dict_t *xattr,
- afr_changelog_resume_t changelog_resume,
- afr_xattrop_type_t op);
+afr_changelog_do(call_frame_t *frame, xlator_t *this, dict_t *xattr,
+ afr_changelog_resume_t changelog_resume,
+ afr_xattrop_type_t op);
-void
-afr_zero_fill_stat (afr_local_t *local)
-{
- if (!local)
- return;
- if (local->transaction.type == AFR_DATA_TRANSACTION ||
- local->transaction.type == AFR_METADATA_TRANSACTION) {
- gf_zero_fill_stat (&local->cont.inode_wfop.prebuf);
- gf_zero_fill_stat (&local->cont.inode_wfop.postbuf);
- } else if (local->transaction.type == AFR_ENTRY_TRANSACTION ||
- local->transaction.type == AFR_ENTRY_RENAME_TRANSACTION) {
- gf_zero_fill_stat (&local->cont.dir_fop.buf);
- gf_zero_fill_stat (&local->cont.dir_fop.preparent);
- gf_zero_fill_stat (&local->cont.dir_fop.postparent);
- if (local->transaction.type == AFR_ENTRY_TRANSACTION)
- return;
- gf_zero_fill_stat (&local->cont.dir_fop.prenewparent);
- gf_zero_fill_stat (&local->cont.dir_fop.postnewparent);
- }
-}
+static void
+afr_ta_decide_post_op_state(call_frame_t *frame, xlator_t *this);
+
+static int
+afr_ta_post_op_do(void *opaque);
+
+static int
+afr_ta_post_op_synctask(xlator_t *this, afr_local_t *local);
+
+static int
+afr_changelog_post_op_done(call_frame_t *frame, xlator_t *this);
+
+static void
+afr_changelog_post_op_fail(call_frame_t *frame, xlator_t *this, int op_errno);
-/* In case of errors afr needs to choose which xdata from lower xlators it needs
- * to unwind with. The way it is done is by checking if there are
- * any good subvols which failed. Give preference to errnos other than
- * ENOTCONN even if the child is source */
void
-afr_pick_error_xdata (afr_local_t *local, afr_private_t *priv,
- inode_t *inode1, unsigned char *readable1,
- inode_t *inode2, unsigned char *readable2)
+afr_ta_locked_priv_invalidate(afr_private_t *priv)
{
- int s = -1;/*selection*/
- int i = 0;
- unsigned char *readable = NULL;
-
- if (local->xdata_rsp) {
- dict_unref (local->xdata_rsp);
- local->xdata_rsp = NULL;
- }
+ priv->ta_bad_child_index = AFR_CHILD_UNKNOWN;
+ priv->release_ta_notify_dom_lock = _gf_false;
+ priv->ta_notify_dom_lock_offset = 0;
+}
- readable = alloca0 (priv->child_count * sizeof (*readable));
- if (inode2 && readable2) {/*rename fop*/
- AFR_INTERSECT (readable, readable1, readable2,
- priv->child_count);
- } else {
- memcpy (readable, readable1,
- sizeof (*readable) * priv->child_count);
- }
+static void
+afr_ta_process_waitq(xlator_t *this)
+{
+ afr_local_t *entry = NULL;
+ afr_private_t *priv = this->private;
+ struct list_head waitq = {
+ 0,
+ };
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
+ INIT_LIST_HEAD(&waitq);
+ LOCK(&priv->lock);
+ list_splice_init(&priv->ta_waitq, &waitq);
+ UNLOCK(&priv->lock);
+ list_for_each_entry(entry, &waitq, ta_waitq)
+ {
+ afr_ta_decide_post_op_state(entry->transaction.frame, this);
+ }
+}
- if (local->replies[i].op_ret >= 0)
- continue;
+int
+afr_ta_lock_release_done(int ret, call_frame_t *ta_frame, void *opaque)
+{
+ afr_ta_process_waitq(ta_frame->this);
+ STACK_DESTROY(ta_frame->root);
+ return 0;
+}
- if (local->replies[i].op_errno == ENOTCONN)
- continue;
+int
+afr_release_notify_lock_for_ta(void *opaque)
+{
+ xlator_t *this = NULL;
+ afr_private_t *priv = NULL;
+ loc_t loc = {
+ 0,
+ };
+ struct gf_flock flock = {
+ 0,
+ };
+ int ret = -1;
+
+ this = (xlator_t *)opaque;
+ priv = this->private;
+ ret = afr_fill_ta_loc(this, &loc, _gf_true);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to populate loc for thin-arbiter.");
+ goto out;
+ }
+ flock.l_type = F_UNLCK;
+ flock.l_start = priv->ta_notify_dom_lock_offset;
+ flock.l_len = 1;
+ ret = syncop_inodelk(priv->children[THIN_ARBITER_BRICK_INDEX],
+ AFR_TA_DOM_NOTIFY, &loc, F_SETLK, &flock, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to unlock AFR_TA_DOM_NOTIFY lock.");
+ }
+
+ LOCK(&priv->lock);
+ {
+ afr_ta_locked_priv_invalidate(priv);
+ }
+ UNLOCK(&priv->lock);
+out:
+ loc_wipe(&loc);
+ return ret;
+}
- /*Order is important in the following condition*/
- if ((s < 0) || (!readable[s] && readable[i]))
- s = i;
- }
+void
+afr_zero_fill_stat(afr_local_t *local)
+{
+ if (!local)
+ return;
+ if (local->transaction.type == AFR_DATA_TRANSACTION ||
+ local->transaction.type == AFR_METADATA_TRANSACTION) {
+ gf_zero_fill_stat(&local->cont.inode_wfop.prebuf);
+ gf_zero_fill_stat(&local->cont.inode_wfop.postbuf);
+ } else if (local->transaction.type == AFR_ENTRY_TRANSACTION ||
+ local->transaction.type == AFR_ENTRY_RENAME_TRANSACTION) {
+ gf_zero_fill_stat(&local->cont.dir_fop.buf);
+ gf_zero_fill_stat(&local->cont.dir_fop.preparent);
+ gf_zero_fill_stat(&local->cont.dir_fop.postparent);
+ if (local->transaction.type == AFR_ENTRY_TRANSACTION)
+ return;
+ gf_zero_fill_stat(&local->cont.dir_fop.prenewparent);
+ gf_zero_fill_stat(&local->cont.dir_fop.postnewparent);
+ }
+}
- if (s != -1 && local->replies[s].xdata) {
- local->xdata_rsp = dict_ref (local->replies[s].xdata);
- } else if (s == -1) {
- for (i = 0; i < priv->child_count; i++) {
- if (!local->replies[i].valid)
- continue;
+/* In case of errors afr needs to choose which xdata from lower xlators it needs
+ * to unwind with. The way it is done is by checking if there are
+ * any good subvols which failed. Give preference to errnos other than
+ * ENOTCONN even if the child is source */
+void
+afr_pick_error_xdata(afr_local_t *local, afr_private_t *priv, inode_t *inode1,
+ unsigned char *readable1, inode_t *inode2,
+ unsigned char *readable2)
+{
+ int s = -1; /*selection*/
+ int i = 0;
+ unsigned char *readable = NULL;
+
+ if (local->xdata_rsp) {
+ dict_unref(local->xdata_rsp);
+ local->xdata_rsp = NULL;
+ }
+
+ readable = alloca0(priv->child_count * sizeof(*readable));
+ if (inode2 && readable2) { /*rename fop*/
+ AFR_INTERSECT(readable, readable1, readable2, priv->child_count);
+ } else {
+ memcpy(readable, readable1, sizeof(*readable) * priv->child_count);
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
+
+ if (local->replies[i].op_ret >= 0)
+ continue;
+
+ if (local->replies[i].op_errno == ENOTCONN)
+ continue;
+
+ /*Order is important in the following condition*/
+ if ((s < 0) || (!readable[s] && readable[i]))
+ s = i;
+ }
+
+ if (s != -1 && local->replies[s].xdata) {
+ local->xdata_rsp = dict_ref(local->replies[s].xdata);
+ } else if (s == -1) {
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->replies[i].valid)
+ continue;
- if (local->replies[i].op_ret >= 0)
- continue;
+ if (local->replies[i].op_ret >= 0)
+ continue;
- if (!local->replies[i].xdata)
- continue;
- local->xdata_rsp = dict_ref (local->replies[i].xdata);
- break;
- }
+ if (!local->replies[i].xdata)
+ continue;
+ local->xdata_rsp = dict_ref(local->replies[i].xdata);
+ break;
}
+ }
}
gf_boolean_t
-afr_needs_changelog_update (afr_local_t *local)
+afr_needs_changelog_update(afr_local_t *local)
{
- if (local->transaction.type == AFR_DATA_TRANSACTION)
- return _gf_true;
- if (!local->optimistic_change_log)
- return _gf_true;
- return _gf_false;
+ if (local->transaction.type == AFR_DATA_TRANSACTION)
+ return _gf_true;
+ if (!local->optimistic_change_log)
+ return _gf_true;
+ return _gf_false;
}
gf_boolean_t
-afr_changelog_has_quorum (afr_local_t *local, xlator_t *this)
+afr_changelog_has_quorum(afr_local_t *local, xlator_t *this)
{
- afr_private_t *priv = NULL;
- int i = 0;
- unsigned char *success_children = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ unsigned char *success_children = NULL;
- priv = this->private;
- success_children = alloca0 (priv->child_count);
+ priv = this->private;
+ success_children = alloca0(priv->child_count);
- for (i = 0; i < priv->child_count; i++) {
- if (!local->transaction.failed_subvols[i]) {
- success_children[i] = 1;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->transaction.failed_subvols[i]) {
+ success_children[i] = 1;
}
+ }
- if (afr_has_quorum (success_children, this)) {
- return _gf_true;
- }
+ if (afr_has_quorum(success_children, this, NULL)) {
+ return _gf_true;
+ }
- return _gf_false;
+ return _gf_false;
}
-
gf_boolean_t
-afr_is_write_subvol_valid (call_frame_t *frame, xlator_t *this)
+afr_is_write_subvol_valid(call_frame_t *frame, xlator_t *this)
{
- int i = 0;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- uint64_t write_subvol = 0;
- unsigned char *writable = NULL;
- uint16_t datamap = 0;
+ int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ uint64_t write_subvol = 0;
+ unsigned char *writable = NULL;
+ uint16_t datamap = 0;
- local = frame->local;
- priv = this->private;
- writable = alloca0 (priv->child_count);
+ local = frame->local;
+ priv = this->private;
+ writable = alloca0(priv->child_count);
- write_subvol = afr_write_subvol_get (frame, this);
- datamap = (write_subvol & 0x00000000ffff0000) >> 16;
- for (i = 0; i < priv->child_count; i++) {
- if (datamap & (1 << i))
- writable[i] = 1;
+ write_subvol = afr_write_subvol_get(frame, this);
+ datamap = (write_subvol & 0x00000000ffff0000) >> 16;
+ for (i = 0; i < priv->child_count; i++) {
+ if (datamap & (1 << i))
+ writable[i] = 1;
- if (writable[i] && !local->transaction.failed_subvols[i])
- return _gf_true;
- }
+ if (writable[i] && !local->transaction.failed_subvols[i])
+ return _gf_true;
+ }
- return _gf_false;
+ return _gf_false;
}
int
-afr_transaction_fop (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = -1;
- unsigned char *failed_subvols = NULL;
- int i = 0;
-
- local = frame->local;
- priv = this->private;
-
- failed_subvols = local->transaction.failed_subvols;
- call_count = priv->child_count - AFR_COUNT (failed_subvols,
- priv->child_count);
- /* Fail if pre-op did not succeed on quorum no. of bricks. */
- if (!afr_changelog_has_quorum (local, this) || !call_count) {
- local->op_ret = -1;
- /* local->op_errno is already captured in changelog cbk. */
- afr_transaction_resume (frame, this);
- return 0;
- }
+afr_transaction_fop(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int call_count = -1;
+ unsigned char *failed_subvols = NULL;
+ int i = 0;
+
+ local = frame->local;
+ priv = this->private;
+
+ failed_subvols = local->transaction.failed_subvols;
+ call_count = priv->child_count -
+ AFR_COUNT(failed_subvols, priv->child_count);
+ /* Fail if pre-op did not succeed on quorum no. of bricks. */
+ if (!afr_changelog_has_quorum(local, this) || !call_count) {
+ local->op_ret = -1;
+ /* local->op_errno is already captured in changelog cbk. */
+ afr_transaction_resume(frame, this);
+ return 0;
+ }
- /* Fail if at least one writeable brick isn't up.*/
- if (local->transaction.type == AFR_DATA_TRANSACTION &&
- !afr_is_write_subvol_valid (frame, this)) {
- local->op_ret = -1;
- local->op_errno = EIO;
- afr_transaction_resume (frame, this);
- return 0;
- }
+ /* Fail if at least one writeable brick isn't up.*/
+ if (local->transaction.type == AFR_DATA_TRANSACTION &&
+ !afr_is_write_subvol_valid(frame, this)) {
+ local->op_ret = -1;
+ local->op_errno = EIO;
+ afr_transaction_resume(frame, this);
+ return 0;
+ }
- local->call_count = call_count;
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i] && !failed_subvols[i]) {
- local->transaction.wind (frame, this, i);
+ local->call_count = call_count;
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.pre_op[i] && !failed_subvols[i]) {
+ local->transaction.wind(frame, this, i);
- if (!--call_count)
- break;
- }
+ if (!--call_count)
+ break;
}
+ }
- return 0;
+ return 0;
}
int
-afr_transaction_done (call_frame_t *frame, xlator_t *this)
+afr_transaction_done(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- gf_boolean_t unwind = _gf_false;
- afr_lock_t *lock = NULL;
- afr_local_t *lock_local = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t unwind = _gf_false;
+ afr_lock_t *lock = NULL;
+ afr_local_t *lock_local = NULL;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- if (priv->consistent_metadata) {
- LOCK (&frame->lock);
- {
- unwind = (local->transaction.main_frame != NULL);
- }
- UNLOCK (&frame->lock);
- if (unwind)/*It definitely did post-op*/
- afr_zero_fill_stat (local);
+ if (priv->consistent_metadata) {
+ LOCK(&frame->lock);
+ {
+ unwind = (local->transaction.main_frame != NULL);
}
+ UNLOCK(&frame->lock);
+ if (unwind) /*It definitely did post-op*/
+ afr_zero_fill_stat(local);
+ }
- if (local->transaction.do_eager_unlock) {
- lock = &local->inode_ctx->lock[local->transaction.type];
- LOCK (&local->inode->lock);
- {
- lock->acquired = _gf_false;
- lock->release = _gf_false;
- list_splice_init (&lock->frozen,
- &lock->waiting);
- if (list_empty (&lock->waiting))
- goto unlock;
- lock_local = list_entry (lock->waiting.next,
- afr_local_t,
- transaction.wait_list);
- list_del_init (&lock_local->transaction.wait_list);
- list_add (&lock_local->transaction.owner_list,
- &lock->owners);
- }
-unlock:
- UNLOCK (&local->inode->lock);
- }
- if (lock_local) {
- afr_lock (lock_local->transaction.frame,
- lock_local->transaction.frame->this);
- }
- local->transaction.unwind (frame, this);
+ if (local->transaction.do_eager_unlock) {
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ LOCK(&local->inode->lock);
+ {
+ lock->acquired = _gf_false;
+ lock->release = _gf_false;
+ list_splice_init(&lock->frozen, &lock->waiting);
+ if (list_empty(&lock->waiting))
+ goto unlock;
+ lock_local = list_entry(lock->waiting.next, afr_local_t,
+ transaction.wait_list);
+ list_del_init(&lock_local->transaction.wait_list);
+ list_add(&lock_local->transaction.owner_list, &lock->owners);
+ }
+ unlock:
+ UNLOCK(&local->inode->lock);
+ }
+ if (lock_local) {
+ afr_lock(lock_local->transaction.frame,
+ lock_local->transaction.frame->this);
+ }
+ local->transaction.unwind(frame, this);
- AFR_STACK_DESTROY (frame);
+ GF_ASSERT(list_empty(&local->transaction.owner_list));
+ GF_ASSERT(list_empty(&local->transaction.wait_list));
+ AFR_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
static void
-afr_lock_fail_shared (afr_local_t *local, struct list_head *list)
-{
- afr_local_t *each = NULL;
-
- while (!list_empty(list)) {
- each = list_entry (list->next, afr_local_t,
- transaction.wait_list);
- list_del_init(&each->transaction.wait_list);
- each->op_ret = -1;
- each->op_errno = local->op_errno;
- afr_transaction_done (each->transaction.frame,
- each->transaction.frame->this);
- }
+afr_lock_fail_shared(afr_local_t *local, struct list_head *list)
+{
+ afr_local_t *each = NULL;
+
+ while (!list_empty(list)) {
+ each = list_entry(list->next, afr_local_t, transaction.wait_list);
+ list_del_init(&each->transaction.wait_list);
+ each->op_ret = -1;
+ each->op_errno = local->op_errno;
+ afr_transaction_done(each->transaction.frame,
+ each->transaction.frame->this);
+ }
}
static void
-afr_handle_lock_acquire_failure (afr_local_t *local, gf_boolean_t locked)
+afr_handle_lock_acquire_failure(afr_local_t *local)
{
- struct list_head shared;
- afr_lock_t *lock = NULL;
+ struct list_head shared;
+ afr_lock_t *lock = NULL;
- if (!local->transaction.eager_lock_on)
- goto out;
+ if (!local->transaction.eager_lock_on)
+ goto out;
- lock = &local->inode_ctx->lock[local->transaction.type];
+ lock = &local->inode_ctx->lock[local->transaction.type];
- INIT_LIST_HEAD (&shared);
- LOCK (&local->inode->lock);
- {
- lock->release = _gf_true;
- list_splice_init (&lock->waiting, &shared);
- }
- UNLOCK (&local->inode->lock);
+ INIT_LIST_HEAD(&shared);
+ LOCK(&local->inode->lock);
+ {
+ lock->release = _gf_true;
+ list_splice_init(&lock->waiting, &shared);
+ }
+ UNLOCK(&local->inode->lock);
- afr_lock_fail_shared (local, &shared);
- local->transaction.do_eager_unlock = _gf_true;
+ afr_lock_fail_shared(local, &shared);
+ local->transaction.do_eager_unlock = _gf_true;
out:
- if (locked) {
- local->internal_lock.lock_cbk = afr_transaction_done;
- afr_unlock (local->transaction.frame,
- local->transaction.frame->this);
- } else {
- afr_transaction_done (local->transaction.frame,
- local->transaction.frame->this);
- }
+ local->internal_lock.lock_cbk = afr_transaction_done;
+ afr_unlock(local->transaction.frame, local->transaction.frame->this);
}
-call_frame_t*
-afr_transaction_detach_fop_frame (call_frame_t *frame)
+call_frame_t *
+afr_transaction_detach_fop_frame(call_frame_t *frame)
{
- afr_local_t * local = NULL;
- call_frame_t *fop_frame = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *fop_frame = NULL;
- local = frame->local;
+ local = frame->local;
- afr_handle_inconsistent_fop (frame, &local->op_ret, &local->op_errno);
- LOCK (&frame->lock);
- {
- fop_frame = local->transaction.main_frame;
- local->transaction.main_frame = NULL;
- }
- UNLOCK (&frame->lock);
+ afr_handle_inconsistent_fop(frame, &local->op_ret, &local->op_errno);
+ LOCK(&frame->lock);
+ {
+ fop_frame = local->transaction.main_frame;
+ local->transaction.main_frame = NULL;
+ }
+ UNLOCK(&frame->lock);
- return fop_frame;
+ return fop_frame;
}
-
static void
-afr_save_lk_owner (call_frame_t *frame)
+afr_save_lk_owner(call_frame_t *frame)
{
- afr_local_t * local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- local->saved_lk_owner = frame->root->lk_owner;
+ local->saved_lk_owner = frame->root->lk_owner;
}
-
static void
-afr_restore_lk_owner (call_frame_t *frame)
+afr_restore_lk_owner(call_frame_t *frame)
{
- afr_local_t * local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- frame->root->lk_owner = local->saved_lk_owner;
+ frame->root->lk_owner = local->saved_lk_owner;
}
void
-__mark_all_success (call_frame_t *frame, xlator_t *this)
+__mark_all_success(call_frame_t *frame, xlator_t *this)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- local->transaction.failed_subvols[i] = 0;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ local->transaction.failed_subvols[i] = 0;
+ }
}
void
-afr_compute_pre_op_sources (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_transaction_type type = -1;
- dict_t *xdata = NULL;
- int **matrix = NULL;
- int idx = -1;
- int i = 0;
- int j = 0;
-
- priv = this->private;
- local = frame->local;
- type = local->transaction.type;
- idx = afr_index_for_transaction_type (type);
- matrix = ALLOC_MATRIX (priv->child_count, int);
-
- for (i = 0; i < priv->child_count; i++) {
- if (!local->transaction.changelog_xdata[i])
- continue;
- xdata = local->transaction.changelog_xdata[i];
- afr_selfheal_fill_matrix (this, matrix, i, idx, xdata);
- }
-
- memset (local->transaction.pre_op_sources, 1, priv->child_count);
-
- /*If lock or pre-op failed on a brick, it is not a source. */
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.failed_subvols[i])
- local->transaction.pre_op_sources[i] = 0;
- }
-
- /* If brick is blamed by others, it is not a source. */
- for (i = 0; i < priv->child_count; i++)
- for (j = 0; j < priv->child_count; j++)
- if (matrix[i][j] != 0)
- local->transaction.pre_op_sources[j] = 0;
+afr_compute_pre_op_sources(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_transaction_type type = -1;
+ dict_t *xdata = NULL;
+ int **matrix = NULL;
+ int idx = -1;
+ int i = 0;
+ int j = 0;
+
+ priv = this->private;
+ local = frame->local;
+ type = local->transaction.type;
+ idx = afr_index_for_transaction_type(type);
+ matrix = ALLOC_MATRIX(priv->child_count, int);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->transaction.changelog_xdata[i])
+ continue;
+ xdata = local->transaction.changelog_xdata[i];
+ afr_selfheal_fill_matrix(this, matrix, i, idx, xdata);
+ }
+
+ memset(local->transaction.pre_op_sources, 1, priv->child_count);
+
+ /*If lock or pre-op failed on a brick, it is not a source. */
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.failed_subvols[i])
+ local->transaction.pre_op_sources[i] = 0;
+ }
+
+ /* If brick is blamed by others, it is not a source. */
+ for (i = 0; i < priv->child_count; i++)
+ for (j = 0; j < priv->child_count; j++)
+ if (matrix[i][j] != 0)
+ local->transaction.pre_op_sources[j] = 0;
}
-gf_boolean_t
-afr_has_arbiter_fop_cbk_quorum (call_frame_t *frame)
+void
+afr_txn_arbitrate_fop(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- xlator_t *this = NULL;
- gf_boolean_t fop_failed = _gf_false;
- unsigned char *pre_op_sources = NULL;
- int i = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int pre_op_sources_count = 0;
+ int i = 0;
- local = frame->local;
- this = frame->this;
- priv = this->private;
- pre_op_sources = local->transaction.pre_op_sources;
+ priv = this->private;
+ local = frame->local;
- /* If the fop failed on the brick, it is not a source. */
- for (i = 0; i < priv->child_count; i++)
- if (local->transaction.failed_subvols[i])
- pre_op_sources[i] = 0;
+ afr_compute_pre_op_sources(frame, this);
+ pre_op_sources_count = AFR_COUNT(local->transaction.pre_op_sources,
+ priv->child_count);
- switch (AFR_COUNT (pre_op_sources, priv->child_count)) {
- case 1:
- if (pre_op_sources[ARBITER_BRICK_INDEX])
- fop_failed = _gf_true;
- break;
- case 0:
- fop_failed = _gf_true;
- break;
- }
-
- if (fop_failed)
- return _gf_false;
-
- return _gf_true;
-}
-
-void
-afr_txn_arbitrate_fop (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int pre_op_sources_count = 0;
- int i = 0;
-
- priv = this->private;
- local = frame->local;
-
- afr_compute_pre_op_sources (frame, this);
- pre_op_sources_count = AFR_COUNT (local->transaction.pre_op_sources,
- priv->child_count);
-
- /* If arbiter is the only source, do not proceed. */
- if (pre_op_sources_count < 2 &&
- local->transaction.pre_op_sources[ARBITER_BRICK_INDEX]) {
- local->op_ret = -1;
- local->op_errno = ENOTCONN;
- for (i = 0; i < priv->child_count; i++)
- local->transaction.failed_subvols[i] = 1;
- }
+ /* If arbiter is the only source, do not proceed. */
+ if (pre_op_sources_count < 2 &&
+ local->transaction.pre_op_sources[ARBITER_BRICK_INDEX]) {
+ local->op_ret = -1;
+ local->op_errno = ENOTCONN;
+ for (i = 0; i < priv->child_count; i++)
+ local->transaction.failed_subvols[i] = 1;
+ }
- afr_transaction_fop (frame, this);
+ afr_transaction_fop(frame, this);
- return;
+ return;
}
int
-afr_transaction_perform_fop (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- int ret = 0;
- int failure_count = 0;
- struct list_head shared;
- afr_lock_t *lock = NULL;
-
- local = frame->local;
- priv = this->private;
-
- INIT_LIST_HEAD (&shared);
- if (local->transaction.type == AFR_DATA_TRANSACTION &&
- !local->transaction.inherited) {
- ret = afr_write_subvol_set (frame, this);
- if (ret) {
- /*act as if operation failed on all subvols*/
- local->op_ret = -1;
- local->op_errno = -ret;
- for (i = 0; i < priv->child_count; i++)
- local->transaction.failed_subvols[i] = 1;
- }
- }
-
- if (local->pre_op_compat)
- /* old mode, pre-op was done as afr_changelog_do()
- just now, before OP */
- afr_changelog_pre_op_update (frame, this);
-
- if (!local->transaction.eager_lock_on ||
- local->transaction.inherited)
- goto fop;
- failure_count = AFR_COUNT (local->transaction.failed_subvols,
- priv->child_count);
- if (failure_count == priv->child_count) {
- afr_handle_lock_acquire_failure (local, _gf_true);
- return 0;
- } else {
- lock = &local->inode_ctx->lock[local->transaction.type];
- LOCK (&local->inode->lock);
- {
- lock->acquired = _gf_true;
- __afr_transaction_wake_shared (local, &shared);
- }
- UNLOCK (&local->inode->lock);
+afr_transaction_perform_fop(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int ret = 0;
+ int failure_count = 0;
+ struct list_head shared;
+ afr_lock_t *lock = NULL;
+
+ local = frame->local;
+ priv = this->private;
+
+ INIT_LIST_HEAD(&shared);
+ if (local->transaction.type == AFR_DATA_TRANSACTION &&
+ !local->transaction.inherited) {
+ ret = afr_write_subvol_set(frame, this);
+ if (ret) {
+ /*act as if operation failed on all subvols*/
+ local->op_ret = -1;
+ local->op_errno = -ret;
+ for (i = 0; i < priv->child_count; i++)
+ local->transaction.failed_subvols[i] = 1;
+ }
+ }
+
+ if (local->pre_op_compat)
+ /* old mode, pre-op was done as afr_changelog_do()
+ just now, before OP */
+ afr_changelog_pre_op_update(frame, this);
+
+ if (!local->transaction.eager_lock_on || local->transaction.inherited)
+ goto fop;
+ failure_count = AFR_COUNT(local->transaction.failed_subvols,
+ priv->child_count);
+ if (failure_count == priv->child_count) {
+ afr_handle_lock_acquire_failure(local);
+ return 0;
+ } else {
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ LOCK(&local->inode->lock);
+ {
+ lock->acquired = _gf_true;
+ __afr_transaction_wake_shared(local, &shared);
}
+ UNLOCK(&local->inode->lock);
+ }
fop:
- /* Perform fops with the lk-owner from top xlator.
- * Eg: lk-owner of posix-lk and flush should be same,
- * flush cant clear the posix-lks without that lk-owner.
- */
- afr_save_lk_owner (frame);
- frame->root->lk_owner =
- local->transaction.main_frame->root->lk_owner;
+ /* Perform fops with the lk-owner from top xlator.
+ * Eg: lk-owner of posix-lk and flush should be same,
+ * flush cant clear the posix-lks without that lk-owner.
+ */
+ afr_save_lk_owner(frame);
+ frame->root->lk_owner = local->transaction.main_frame->root->lk_owner;
- if (priv->arbiter_count == 1) {
- afr_txn_arbitrate_fop (frame, this);
- } else {
- afr_transaction_fop (frame, this);
- }
+ if (priv->arbiter_count == 1) {
+ afr_txn_arbitrate_fop(frame, this);
+ } else {
+ afr_transaction_fop(frame, this);
+ }
- afr_lock_resume_shared (&shared);
- return 0;
+ afr_lock_resume_shared(&shared);
+ return 0;
}
int
-afr_set_pending_dict (afr_private_t *priv, dict_t *xattr, int **pending)
+afr_set_pending_dict(afr_private_t *priv, dict_t *xattr, int **pending)
{
- int i = 0;
- int ret = 0;
+ int i = 0;
+ int ret = 0;
- for (i = 0; i < priv->child_count; i++) {
+ for (i = 0; i < priv->child_count; i++) {
+ ret = dict_set_static_bin(xattr, priv->pending_key[i], pending[i],
+ AFR_NUM_CHANGE_LOGS * sizeof(int));
+ /* 3 = data+metadata+entry */
+
+ if (ret)
+ break;
+ }
- ret = dict_set_static_bin (xattr, priv->pending_key[i],
- pending[i],
- AFR_NUM_CHANGE_LOGS * sizeof (int));
- /* 3 = data+metadata+entry */
+ return ret;
+}
- if (ret)
- break;
+static void
+afr_ta_dom_lock_check_and_release(afr_ta_fop_state_t fop_state, xlator_t *this)
+{
+ afr_private_t *priv = this->private;
+ unsigned int inmem_count = 0;
+ unsigned int onwire_count = 0;
+ gf_boolean_t release = _gf_false;
+
+ LOCK(&priv->lock);
+ {
+ /*Once we get notify lock release upcall notification,
+ if any of the fop state counters are non-zero, we will
+ not release the lock.
+ */
+ onwire_count = priv->ta_on_wire_txn_count;
+ inmem_count = priv->ta_in_mem_txn_count;
+ switch (fop_state) {
+ case TA_GET_INFO_FROM_TA_FILE:
+ onwire_count = --priv->ta_on_wire_txn_count;
+ break;
+ case TA_INFO_IN_MEMORY_SUCCESS:
+ case TA_INFO_IN_MEMORY_FAILED:
+ inmem_count = --priv->ta_in_mem_txn_count;
+ break;
+ case TA_WAIT_FOR_NOTIFY_LOCK_REL:
+ GF_ASSERT(0);
+ break;
+ case TA_SUCCESS:
+ break;
}
+ release = priv->release_ta_notify_dom_lock;
+ }
+ UNLOCK(&priv->lock);
+
+ if (inmem_count != 0 || release == _gf_false || onwire_count != 0)
+ return;
- return ret;
+ afr_ta_lock_release_synctask(this);
}
-/* {{{ pending */
+static void
+afr_ta_process_onwireq(afr_ta_fop_state_t fop_state, xlator_t *this)
+{
+ afr_private_t *priv = this->private;
+ afr_local_t *entry = NULL;
+ int bad_child = AFR_CHILD_UNKNOWN;
+
+ struct list_head onwireq = {
+ 0,
+ };
+ INIT_LIST_HEAD(&onwireq);
+
+ LOCK(&priv->lock);
+ {
+ bad_child = priv->ta_bad_child_index;
+ if (bad_child == AFR_CHILD_UNKNOWN) {
+ /*The previous on-wire ta_post_op was a failure. Just dequeue
+ *one element to wind on-wire again. */
+ entry = list_entry(priv->ta_onwireq.next, afr_local_t, ta_onwireq);
+ list_del_init(&entry->ta_onwireq);
+ } else {
+ /* Prepare to process all fops based on bad_child_index. */
+ list_splice_init(&priv->ta_onwireq, &onwireq);
+ }
+ }
+ UNLOCK(&priv->lock);
+
+ if (entry) {
+ afr_ta_post_op_synctask(this, entry);
+ return;
+ } else {
+ while (!list_empty(&onwireq)) {
+ entry = list_entry(onwireq.next, afr_local_t, ta_onwireq);
+ list_del_init(&entry->ta_onwireq);
+ if (entry->ta_failed_subvol == bad_child) {
+ afr_post_op_handle_success(entry->transaction.frame, this);
+ } else {
+ afr_post_op_handle_failure(entry->transaction.frame, this, EIO);
+ }
+ }
+ }
+}
int
-afr_changelog_post_op_done (call_frame_t *frame, xlator_t *this)
+afr_changelog_post_op_done(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- int_lock = &local->internal_lock;
+ local = frame->local;
+ priv = this->private;
+ int_lock = &local->internal_lock;
- /* Fail the FOP if post-op did not succeed on quorum no. of bricks. */
- if (!afr_changelog_has_quorum (local, this)) {
- local->op_ret = -1;
- /*local->op_errno is already captured in changelog cbk*/
- }
+ if (priv->thin_arbiter_count) {
+ /*fop should not come here with TA_WAIT_FOR_NOTIFY_LOCK_REL state */
+ afr_ta_dom_lock_check_and_release(local->fop_state, this);
+ }
- if (local->transaction.resume_stub) {
- call_resume (local->transaction.resume_stub);
- local->transaction.resume_stub = NULL;
- }
+ /* Fail the FOP if post-op did not succeed on quorum no. of bricks. */
+ if (!afr_changelog_has_quorum(local, this)) {
+ local->op_ret = -1;
+ /*local->op_errno is already captured in changelog cbk*/
+ }
- int_lock->lock_cbk = afr_transaction_done;
- afr_unlock (frame, this);
+ if (local->transaction.resume_stub) {
+ call_resume(local->transaction.resume_stub);
+ local->transaction.resume_stub = NULL;
+ }
- return 0;
-}
+ int_lock->lock_cbk = afr_transaction_done;
+ afr_unlock(frame, this);
+ return 0;
+}
-unsigned char*
-afr_locked_nodes_get (afr_transaction_type type, afr_internal_lock_t *int_lock)
+static void
+afr_changelog_post_op_fail(call_frame_t *frame, xlator_t *this, int op_errno)
{
- unsigned char *locked_nodes = NULL;
- switch (type) {
- case AFR_DATA_TRANSACTION:
- case AFR_METADATA_TRANSACTION:
- locked_nodes = int_lock->locked_nodes;
- break;
+ afr_local_t *local = frame->local;
+ local->op_ret = -1;
+ local->op_errno = op_errno;
- case AFR_ENTRY_TRANSACTION:
- case AFR_ENTRY_RENAME_TRANSACTION:
- /*Because same set of subvols participate in all lockee
- * entities*/
- locked_nodes = int_lock->lockee[0].locked_nodes;
- break;
- }
- return locked_nodes;
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, AFR_MSG_THIN_ARB,
+ "Failing %s for gfid %s. Fop state is:%d", gf_fop_list[local->op],
+ uuid_utoa(local->inode->gfid), local->fop_state);
+
+ afr_changelog_post_op_done(frame, this);
}
+unsigned char *
+afr_locked_nodes_get(afr_transaction_type type, afr_internal_lock_t *int_lock)
+{
+ /*Because same set of subvols participate in all lockee
+ * entities*/
+ return int_lock->lockee[0].locked_nodes;
+}
int
-afr_changelog_call_count (afr_transaction_type type,
- unsigned char *pre_op_subvols,
- unsigned char *failed_subvols,
- unsigned int child_count)
+afr_changelog_call_count(afr_transaction_type type,
+ unsigned char *pre_op_subvols,
+ unsigned char *failed_subvols,
+ unsigned int child_count)
{
- int i = 0;
- int call_count = 0;
+ int i = 0;
+ int call_count = 0;
- for (i = 0; i < child_count; i++) {
- if (pre_op_subvols[i] && !failed_subvols[i]) {
- call_count++;
- }
+ for (i = 0; i < child_count; i++) {
+ if (pre_op_subvols[i] && !failed_subvols[i]) {
+ call_count++;
}
+ }
- if (type == AFR_ENTRY_RENAME_TRANSACTION)
- call_count *= 2;
+ if (type == AFR_ENTRY_RENAME_TRANSACTION)
+ call_count *= 2;
- return call_count;
+ return call_count;
}
-
gf_boolean_t
-afr_txn_nothing_failed (call_frame_t *frame, xlator_t *this)
+afr_txn_nothing_failed(call_frame_t *frame, xlator_t *this)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
- int i = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- if (priv->thin_arbiter_count) {
- /* We need to perform post-op even if 1 data brick was down
- * before the txn started.*/
- if (AFR_COUNT (local->transaction.failed_subvols,
- priv->child_count))
- return _gf_false;
- }
+ if (priv->thin_arbiter_count) {
+ /* We need to perform post-op even if 1 data brick was down
+ * before the txn started.*/
+ if (AFR_COUNT(local->transaction.failed_subvols, priv->child_count))
+ return _gf_false;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i] &&
- local->transaction.failed_subvols[i])
- return _gf_false;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.pre_op[i] &&
+ local->transaction.failed_subvols[i])
+ return _gf_false;
+ }
- return _gf_true;
+ return _gf_true;
}
void
-afr_handle_symmetric_errors (call_frame_t *frame, xlator_t *this)
+afr_handle_symmetric_errors(call_frame_t *frame, xlator_t *this)
{
- if (afr_is_symmetric_error (frame, this))
- __mark_all_success (frame, this);
+ if (afr_is_symmetric_error(frame, this))
+ __mark_all_success(frame, this);
}
gf_boolean_t
-afr_has_quorum (unsigned char *subvols, xlator_t *this)
-{
- unsigned int quorum_count = 0;
- afr_private_t *priv = NULL;
- unsigned int up_children_count = 0;
-
- priv = this->private;
- up_children_count = AFR_COUNT (subvols, priv->child_count);
-
- if (priv->quorum_count == AFR_QUORUM_AUTO) {
- /*
- * Special case for auto-quorum with an even number of nodes.
- *
- * A replica set with even count N can only handle the same
- * number of failures as odd N-1 before losing "vanilla"
- * quorum, and the probability of more simultaneous failures is
- * actually higher. For example, with a 1% chance of failure
- * we'd have a 0.03% chance of two simultaneous failures with
- * N=3 but a 0.06% chance with N=4. However, the special case
- * is necessary for N=2 because there's no real quorum in that
- * case (i.e. can't normally survive *any* failures). In that
- * case, we treat the first node as a tie-breaker, allowing
- * quorum to be retained in some cases while still honoring the
- * all-important constraint that there can not simultaneously
- * be two partitioned sets of nodes each believing they have
- * quorum. Of two equally sized sets, the one without that
- * first node will lose.
- *
- * It turns out that the special case is beneficial for higher
- * values of N as well. Continuing the example above, the
- * probability of losing quorum with N=4 and this type of
- * quorum is (very) slightly lower than with N=3 and vanilla
- * quorum. The difference becomes even more pronounced with
- * higher N. Therefore, even though such replica counts are
- * unlikely to be seen in practice, we might as well use the
- * "special" quorum then as well.
- */
- if ((up_children_count * 2) == priv->child_count) {
- return subvols[0];
- }
- }
+afr_has_quorum(unsigned char *subvols, xlator_t *this, call_frame_t *frame)
+{
+ unsigned int quorum_count = 0;
+ afr_private_t *priv = NULL;
+ unsigned int up_children_count = 0;
- if (priv->quorum_count == AFR_QUORUM_AUTO) {
- quorum_count = priv->child_count/2 + 1;
- } else {
- quorum_count = priv->quorum_count;
+ priv = this->private;
+ up_children_count = AFR_COUNT(subvols, priv->child_count);
+
+ if (afr_lookup_has_quorum(frame, up_children_count))
+ return _gf_true;
+
+ if (priv->quorum_count == AFR_QUORUM_AUTO) {
+ /*
+ * Special case for auto-quorum with an even number of nodes.
+ *
+ * A replica set with even count N can only handle the same
+ * number of failures as odd N-1 before losing "vanilla"
+ * quorum, and the probability of more simultaneous failures is
+ * actually higher. For example, with a 1% chance of failure
+ * we'd have a 0.03% chance of two simultaneous failures with
+ * N=3 but a 0.06% chance with N=4. However, the special case
+ * is necessary for N=2 because there's no real quorum in that
+ * case (i.e. can't normally survive *any* failures). In that
+ * case, we treat the first node as a tie-breaker, allowing
+ * quorum to be retained in some cases while still honoring the
+ * all-important constraint that there can not simultaneously
+ * be two partitioned sets of nodes each believing they have
+ * quorum. Of two equally sized sets, the one without that
+ * first node will lose.
+ *
+ * It turns out that the special case is beneficial for higher
+ * values of N as well. Continuing the example above, the
+ * probability of losing quorum with N=4 and this type of
+ * quorum is (very) slightly lower than with N=3 and vanilla
+ * quorum. The difference becomes even more pronounced with
+ * higher N. Therefore, even though such replica counts are
+ * unlikely to be seen in practice, we might as well use the
+ * "special" quorum then as well.
+ */
+ if ((up_children_count * 2) == priv->child_count) {
+ return subvols[0];
}
+ }
- if (up_children_count >= quorum_count)
- return _gf_true;
+ if (priv->quorum_count == AFR_QUORUM_AUTO) {
+ quorum_count = priv->child_count / 2 + 1;
+ } else {
+ quorum_count = priv->quorum_count;
+ }
- return _gf_false;
+ if (up_children_count >= quorum_count)
+ return _gf_true;
+
+ return _gf_false;
}
static gf_boolean_t
-afr_has_fop_quorum (call_frame_t *frame)
+afr_has_fop_quorum(call_frame_t *frame)
{
- xlator_t *this = frame->this;
- afr_local_t *local = frame->local;
- unsigned char *locked_nodes = NULL;
+ xlator_t *this = frame->this;
+ afr_local_t *local = frame->local;
+ unsigned char *locked_nodes = NULL;
- locked_nodes = afr_locked_nodes_get (local->transaction.type,
- &local->internal_lock);
- return afr_has_quorum (locked_nodes, this);
+ locked_nodes = afr_locked_nodes_get(local->transaction.type,
+ &local->internal_lock);
+ return afr_has_quorum(locked_nodes, this, NULL);
}
static gf_boolean_t
-afr_has_fop_cbk_quorum (call_frame_t *frame)
+afr_has_fop_cbk_quorum(call_frame_t *frame)
{
- afr_local_t *local = frame->local;
- xlator_t *this = frame->this;
- afr_private_t *priv = this->private;
- unsigned char *success = alloca0(priv->child_count);
- int i = 0;
+ afr_local_t *local = frame->local;
+ xlator_t *this = frame->this;
+ afr_private_t *priv = this->private;
+ unsigned char *success = alloca0(priv->child_count);
+ int i = 0;
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i])
- if (!local->transaction.failed_subvols[i])
- success[i] = 1;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.pre_op[i])
+ if (!local->transaction.failed_subvols[i])
+ success[i] = 1;
+ }
- return afr_has_quorum (success, this);
+ return afr_has_quorum(success, this, NULL);
}
gf_boolean_t
-afr_need_dirty_marking (call_frame_t *frame, xlator_t *this)
+afr_need_dirty_marking(call_frame_t *frame, xlator_t *this)
{
- afr_private_t *priv = this->private;
- afr_local_t *local = NULL;
- gf_boolean_t need_dirty = _gf_false;
+ afr_private_t *priv = this->private;
+ afr_local_t *local = NULL;
+ gf_boolean_t need_dirty = _gf_false;
- local = frame->local;
+ local = frame->local;
- if (!priv->quorum_count || !local->optimistic_change_log)
- return _gf_false;
+ if (!priv->quorum_count || !local->optimistic_change_log)
+ return _gf_false;
- if (local->transaction.type == AFR_DATA_TRANSACTION ||
- local->transaction.type == AFR_METADATA_TRANSACTION)
- return _gf_false;
+ if (local->transaction.type == AFR_DATA_TRANSACTION ||
+ local->transaction.type == AFR_METADATA_TRANSACTION)
+ return _gf_false;
- if (AFR_COUNT (local->transaction.failed_subvols, priv->child_count) ==
- priv->child_count)
- return _gf_false;
+ if (AFR_COUNT(local->transaction.failed_subvols, priv->child_count) ==
+ priv->child_count)
+ return _gf_false;
- if (priv->arbiter_count) {
- if (!afr_has_arbiter_fop_cbk_quorum (frame))
- need_dirty = _gf_true;
- } else if (!afr_has_fop_cbk_quorum (frame)) {
- need_dirty = _gf_true;
- }
+ if (!afr_has_fop_cbk_quorum(frame))
+ need_dirty = _gf_true;
- return need_dirty;
+ return need_dirty;
}
void
-afr_handle_quorum (call_frame_t *frame, xlator_t *this)
+afr_handle_quorum(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- const char *file = NULL;
- uuid_t gfid = {0};
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ const char *file = NULL;
+ uuid_t gfid = {0};
- local = frame->local;
- priv = frame->this->private;
+ local = frame->local;
+ priv = frame->this->private;
- if (priv->quorum_count == 0)
- return;
+ if (priv->quorum_count == 0)
+ return;
- /* If the fop already failed return right away to preserve errno */
- if (local->op_ret == -1)
- return;
+ /* If the fop already failed return right away to preserve errno */
+ if (local->op_ret == -1)
+ return;
- /*
- * Network split may happen just after the fops are unwound, so check
- * if the fop succeeded in a way it still follows quorum. If it doesn't,
- * mark the fop as failure, mark the changelogs so it reflects that
- * failure.
- *
- * Scenario:
- * There are 3 mounts on 3 machines(node1, node2, node3) all writing to
- * single file. Network split happened in a way that node1 can't see
- * node2, node3. Node2, node3 both of them can't see node1. Now at the
- * time of sending write all the bricks are up. Just after write fop is
- * wound on node1, network split happens. Node1 thinks write fop failed
- * on node2, node3 so marks pending changelog for those 2 extended
- * attributes on node1. Node2, node3 thinks writes failed on node1 so
- * they mark pending changelog for node1. When the network is stable
- * again the file already is in split-brain. These checks prevent
- * marking pending changelog on other subvolumes if the fop doesn't
- * succeed in a way it is still following quorum. So with this fix what
- * is happening is, node1 will have all pending changelog(FOOL) because
- * the write succeeded only on node1 but failed on node2, node3 so
- * instead of marking pending changelogs on node2, node3 it just treats
- * the fop as failure and goes into DIRTY state. Where as node2, node3
- * say they are sources and have pending changelog to node1 so there is
- * no split-brain with the fix. The problem is eliminated completely.
- */
+ /*
+ * Network split may happen just after the fops are unwound, so check
+ * if the fop succeeded in a way it still follows quorum. If it doesn't,
+ * mark the fop as failure, mark the changelogs so it reflects that
+ * failure.
+ *
+ * Scenario:
+ * There are 3 mounts on 3 machines(node1, node2, node3) all writing to
+ * single file. Network split happened in a way that node1 can't see
+ * node2, node3. Node2, node3 both of them can't see node1. Now at the
+ * time of sending write all the bricks are up. Just after write fop is
+ * wound on node1, network split happens. Node1 thinks write fop failed
+ * on node2, node3 so marks pending changelog for those 2 extended
+ * attributes on node1. Node2, node3 thinks writes failed on node1 so
+ * they mark pending changelog for node1. When the network is stable
+ * again the file already is in split-brain. These checks prevent
+ * marking pending changelog on other subvolumes if the fop doesn't
+ * succeed in a way it is still following quorum. So with this fix what
+ * is happening is, node1 will have all pending changelog(FOOL) because
+ * the write succeeded only on node1 but failed on node2, node3 so
+ * instead of marking pending changelogs on node2, node3 it just treats
+ * the fop as failure and goes into DIRTY state. Where as node2, node3
+ * say they are sources and have pending changelog to node1 so there is
+ * no split-brain with the fix. The problem is eliminated completely.
+ */
+
+ if (afr_has_fop_cbk_quorum(frame))
+ return;
- if (priv->arbiter_count) {
- if (afr_has_arbiter_fop_cbk_quorum (frame))
- return;
- } else if (afr_has_fop_cbk_quorum (frame)) {
- return;
- }
+ if (afr_need_dirty_marking(frame, this))
+ goto set_response;
- if (afr_need_dirty_marking (frame, this))
- goto set_response;
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i])
- afr_transaction_fop_failed (frame, frame->this, i);
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.pre_op[i])
+ afr_transaction_fop_failed(frame, frame->this, i);
+ }
set_response:
- local->op_ret = -1;
- local->op_errno = afr_final_errno (local, priv);
- if (local->op_errno == 0)
- local->op_errno = afr_quorum_errno (priv);
-
- if (local->fd) {
- gf_uuid_copy (gfid, local->fd->inode->gfid);
- file = uuid_utoa (gfid);
- } else {
- loc_path (&local->loc, local->loc.name);
- file = local->loc.path;
- }
-
- gf_msg (frame->this->name, GF_LOG_WARNING, local->op_errno,
- AFR_MSG_QUORUM_FAIL, "%s: Failing %s as quorum is not met",
- file, gf_fop_list[local->op]);
-
- switch (local->transaction.type) {
+ local->op_ret = -1;
+ local->op_errno = afr_final_errno(local, priv);
+ if (local->op_errno == 0)
+ local->op_errno = afr_quorum_errno(priv);
+
+ if (local->fd) {
+ gf_uuid_copy(gfid, local->fd->inode->gfid);
+ file = uuid_utoa(gfid);
+ } else {
+ loc_path(&local->loc, local->loc.name);
+ file = local->loc.path;
+ }
+
+ gf_msg(frame->this->name, GF_LOG_WARNING, local->op_errno,
+ AFR_MSG_QUORUM_FAIL, "%s: Failing %s as quorum is not met", file,
+ gf_fop_list[local->op]);
+
+ switch (local->transaction.type) {
case AFR_ENTRY_TRANSACTION:
case AFR_ENTRY_RENAME_TRANSACTION:
- afr_pick_error_xdata (local, priv, local->parent,
- local->readable, local->parent2,
- local->readable2);
- break;
+ afr_pick_error_xdata(local, priv, local->parent, local->readable,
+ local->parent2, local->readable2);
+ break;
default:
- afr_pick_error_xdata (local, priv, local->inode,
- local->readable, NULL, NULL);
- break;
- }
+ afr_pick_error_xdata(local, priv, local->inode, local->readable,
+ NULL, NULL);
+ break;
+ }
}
int
-afr_fill_ta_loc (xlator_t *this, loc_t *loc)
-{
- afr_private_t *priv = NULL;
-
- priv = this->private;
- loc->parent = inode_ref (priv->root_inode);
- gf_uuid_copy (loc->pargfid, loc->parent->gfid);
- loc->name = priv->pending_key[THIN_ARBITER_BRICK_INDEX];
- gf_uuid_copy (loc->gfid, priv->ta_gfid);
- loc->inode = inode_new (loc->parent->table);
- if (!loc->inode)
- return -ENOMEM;
- return 0;
+afr_fill_ta_loc(xlator_t *this, loc_t *loc, gf_boolean_t is_gfid_based_fop)
+{
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+ loc->parent = inode_ref(priv->root_inode);
+ gf_uuid_copy(loc->pargfid, loc->parent->gfid);
+ loc->name = priv->pending_key[THIN_ARBITER_BRICK_INDEX];
+ if (is_gfid_based_fop && gf_uuid_is_null(priv->ta_gfid)) {
+ /* Except afr_ta_id_file_check() which is path based, all other gluster
+ * FOPS need gfid.*/
+ return -EINVAL;
+ }
+ gf_uuid_copy(loc->gfid, priv->ta_gfid);
+ loc->inode = inode_new(loc->parent->table);
+ if (!loc->inode) {
+ loc_wipe(loc);
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+static int
+afr_ta_post_op_done(int ret, call_frame_t *frame, void *opaque)
+{
+ xlator_t *this = NULL;
+ afr_local_t *local = NULL;
+ call_frame_t *txn_frame = NULL;
+ afr_ta_fop_state_t fop_state;
+
+ local = (afr_local_t *)opaque;
+ fop_state = local->fop_state;
+ txn_frame = local->transaction.frame;
+ this = frame->this;
+
+ if (ret == 0) {
+ /*Mark pending xattrs on the up data brick.*/
+ afr_post_op_handle_success(txn_frame, this);
+ } else {
+ afr_post_op_handle_failure(txn_frame, this, -ret);
+ }
+
+ STACK_DESTROY(frame->root);
+ afr_ta_process_onwireq(fop_state, this);
+
+ return 0;
+}
+
+int **
+afr_set_changelog_xattr(afr_private_t *priv, unsigned char *pending,
+ dict_t *xattr, afr_local_t *local)
+{
+ int **changelog = NULL;
+ int idx = 0;
+ int ret = 0;
+ int i;
+
+ if (local->is_new_entry == _gf_true) {
+ changelog = afr_mark_pending_changelog(priv, pending, xattr,
+ local->cont.dir_fop.buf.ia_type);
+ } else {
+ idx = afr_index_for_transaction_type(local->transaction.type);
+ changelog = afr_matrix_create(priv->child_count, AFR_NUM_CHANGE_LOGS);
+ if (!changelog) {
+ goto out;
+ }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.failed_subvols[i])
+ changelog[i][idx] = hton32(1);
+ }
+ ret = afr_set_pending_dict(priv, xattr, changelog);
+ if (ret < 0) {
+ afr_matrix_cleanup(changelog, priv->child_count);
+ return NULL;
+ }
+ }
+
+out:
+ return changelog;
}
-int
-afr_changelog_thin_arbiter_post_op (xlator_t *this, afr_local_t *local)
+static void
+afr_ta_locked_xattrop_validate(afr_private_t *priv, afr_local_t *local,
+ gf_boolean_t *valid)
{
- int ret = 0;
- afr_private_t *priv = NULL;
- dict_t *xattr = NULL;
- int failed_count = 0;
- struct gf_flock flock = {0, };
- loc_t loc = {0,};
- int i = 0;
+ if (priv->ta_event_gen > local->ta_event_gen) {
+ /* We can't trust the ta's response anymore.*/
+ afr_ta_locked_priv_invalidate(priv);
+ *valid = _gf_false;
+ return;
+ }
+ return;
+}
+
+static int
+afr_ta_post_op_do(void *opaque)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ xlator_t *this = NULL;
+ dict_t *xattr = NULL;
+ unsigned char *pending = NULL;
+ int **changelog = NULL;
+ int failed_subvol = -1;
+ int success_subvol = -1;
+ loc_t loc = {
+ 0,
+ };
+ int i = 0;
+ int ret = 0;
+ gf_boolean_t valid = _gf_true;
+
+ local = (afr_local_t *)opaque;
+ this = local->transaction.frame->this;
+ priv = this->private;
+
+ ret = afr_fill_ta_loc(this, &loc, _gf_true);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Failed to populate loc for thin-arbiter.");
+ goto out;
+ }
+
+ xattr = dict_new();
+ if (!xattr) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ pending = alloca0(priv->child_count);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.failed_subvols[i]) {
+ pending[i] = 1;
+ failed_subvol = i;
+ } else {
+ success_subvol = i;
+ }
+ }
+
+ changelog = afr_set_changelog_xattr(priv, pending, xattr, local);
+
+ if (!changelog) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = afr_ta_post_op_lock(this, &loc);
+ if (ret)
+ goto out;
+
+ ret = syncop_xattrop(priv->children[THIN_ARBITER_BRICK_INDEX], &loc,
+ GF_XATTROP_ADD_ARRAY, xattr, NULL, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
+ "Post-op on thin-arbiter id file %s failed for gfid %s.",
+ priv->pending_key[THIN_ARBITER_BRICK_INDEX],
+ uuid_utoa(local->inode->gfid));
+ }
+ LOCK(&priv->lock);
+ {
+ if (ret == 0) {
+ priv->ta_bad_child_index = failed_subvol;
+ } else if (ret == -EINVAL) {
+ priv->ta_bad_child_index = success_subvol;
+ ret = -EIO; /* TA failed the fop. Return EIO to application. */
+ }
+
+ afr_ta_locked_xattrop_validate(priv, local, &valid);
+ }
+ UNLOCK(&priv->lock);
+ if (valid == _gf_false) {
+ gf_msg(this->name, GF_LOG_ERROR, EIO, AFR_MSG_THIN_ARB,
+ "Post-op on thin-arbiter id file %s for gfid %s invalidated due "
+ "to event-gen mismatch.",
+ priv->pending_key[THIN_ARBITER_BRICK_INDEX],
+ uuid_utoa(local->inode->gfid));
+ ret = -EIO;
+ }
+
+ afr_ta_post_op_unlock(this, &loc);
+out:
+ if (xattr)
+ dict_unref(xattr);
- priv = this->private;
- if (!priv->thin_arbiter_count)
- return 0;
+ if (changelog)
+ afr_matrix_cleanup(changelog, priv->child_count);
+ loc_wipe(&loc);
- failed_count = AFR_COUNT (local->transaction.failed_subvols,
- priv->child_count);
- if (!failed_count)
- return 0;
+ return ret;
+}
- GF_ASSERT (failed_count == 1);
- ret = afr_fill_ta_loc (this, &loc);
- if (ret)
- goto out;
+static int
+afr_ta_post_op_synctask(xlator_t *this, afr_local_t *local)
+{
+ call_frame_t *ta_frame = NULL;
+ int ret = 0;
- xattr = dict_new ();
- if (!xattr) {
- ret = -ENOMEM;
- goto out;
+ ta_frame = afr_ta_frame_create(this);
+ if (!ta_frame) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_THIN_ARB,
+ "Failed to create ta_frame");
+ goto err;
+ }
+ ret = synctask_new(this->ctx->env, afr_ta_post_op_do, afr_ta_post_op_done,
+ ta_frame, local);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, AFR_MSG_THIN_ARB,
+ "Failed to launch post-op on thin arbiter for gfid %s",
+ uuid_utoa(local->inode->gfid));
+ STACK_DESTROY(ta_frame->root);
+ goto err;
+ }
+
+ return ret;
+err:
+ afr_changelog_post_op_fail(local->transaction.frame, this, ENOMEM);
+ return ret;
+}
+
+static void
+afr_ta_set_fop_state(afr_private_t *priv, afr_local_t *local,
+ int *on_wire_count)
+{
+ LOCK(&priv->lock);
+ {
+ if (priv->release_ta_notify_dom_lock == _gf_true) {
+ /* Put the fop in waitq until notify dom lock is released.*/
+ local->fop_state = TA_WAIT_FOR_NOTIFY_LOCK_REL;
+ list_add_tail(&local->ta_waitq, &priv->ta_waitq);
+ } else if (priv->ta_bad_child_index == AFR_CHILD_UNKNOWN) {
+ /* Post-op on thin-arbiter to decide success/failure. */
+ local->fop_state = TA_GET_INFO_FROM_TA_FILE;
+ *on_wire_count = ++priv->ta_on_wire_txn_count;
+ if (*on_wire_count > 1) {
+ /*Avoid sending multiple on-wire post-ops on TA*/
+ list_add_tail(&local->ta_onwireq, &priv->ta_onwireq);
+ }
+ } else if (local->ta_failed_subvol == priv->ta_bad_child_index) {
+ /* Post-op on TA not needed as the fop failed on the in-memory bad
+ * brick. Just mark pending xattrs on the good data brick.*/
+ local->fop_state = TA_INFO_IN_MEMORY_SUCCESS;
+ priv->ta_in_mem_txn_count++;
+ } else {
+ /* Post-op on TA not needed as the fop succeeded only on the
+ * in-memory bad data brick and not the good one. Fail the fop.*/
+ local->fop_state = TA_INFO_IN_MEMORY_FAILED;
+ priv->ta_in_mem_txn_count++;
}
- for (i = 0; i < priv->child_count; i++) {
- ret = dict_set_static_bin (xattr, priv->pending_key[i],
- local->pending[i],
- AFR_NUM_CHANGE_LOGS * sizeof (int));
- if (ret)
- goto out;
+ }
+ UNLOCK(&priv->lock);
+}
+
+static void
+afr_ta_fill_failed_subvol(afr_private_t *priv, afr_local_t *local)
+{
+ int i = 0;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.failed_subvols[i]) {
+ local->ta_failed_subvol = i;
+ break;
}
+ }
+}
- flock.l_type = F_WRLCK;
- flock.l_start = 0;
- flock.l_len = 0;
+static void
+afr_post_op_handle_success(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
- /*TODO: Convert to two domain locking. */
- ret = syncop_inodelk (priv->children[THIN_ARBITER_BRICK_INDEX],
- THIN_ARBITER_DOM1, &loc, F_SETLKW, &flock,
- NULL, NULL);
- if (ret)
- goto out;
+ local = frame->local;
+ if (local->is_new_entry == _gf_true) {
+ afr_mark_new_entry_changelog(frame, this);
+ }
+ afr_changelog_post_op_do(frame, this);
- ret = syncop_xattrop (priv->children[THIN_ARBITER_BRICK_INDEX], &loc,
- GF_XATTROP_ADD_ARRAY, xattr, NULL, NULL, NULL);
+ return;
+}
- if (ret == -EINVAL) {
- gf_msg (this->name, GF_LOG_INFO, -ret, AFR_MSG_THIN_ARB,
- "Thin-arbiter has denied post-op on %s for gfid %s.",
- priv->pending_key[THIN_ARBITER_BRICK_INDEX],
- uuid_utoa (local->inode->gfid));
+static void
+afr_post_op_handle_failure(call_frame_t *frame, xlator_t *this, int op_errno)
+{
+ afr_changelog_post_op_fail(frame, this, op_errno);
- } else if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret, AFR_MSG_THIN_ARB,
- "Post-op on thin-arbiter id file %s failed for gfid %s.",
- priv->pending_key[THIN_ARBITER_BRICK_INDEX],
- uuid_utoa (local->inode->gfid));
- }
- flock.l_type = F_UNLCK;
- syncop_inodelk (priv->children[THIN_ARBITER_BRICK_INDEX],
- THIN_ARBITER_DOM1, &loc, F_SETLKW, &flock, NULL, NULL);
-out:
- if (xattr)
- dict_unref (xattr);
+ return;
+}
- return ret;
+static void
+afr_ta_decide_post_op_state(call_frame_t *frame, xlator_t *this)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int on_wire_count = 0;
+
+ priv = this->private;
+ local = frame->local;
+
+ afr_ta_set_fop_state(priv, local, &on_wire_count);
+
+ switch (local->fop_state) {
+ case TA_GET_INFO_FROM_TA_FILE:
+ if (on_wire_count == 1)
+ afr_ta_post_op_synctask(this, local);
+ /*else, fop is queued in ta_onwireq.*/
+ break;
+ case TA_WAIT_FOR_NOTIFY_LOCK_REL:
+ /*Post releasing the notify lock, we will act on this queue*/
+ break;
+ case TA_INFO_IN_MEMORY_SUCCESS:
+ afr_post_op_handle_success(frame, this);
+ break;
+ case TA_INFO_IN_MEMORY_FAILED:
+ afr_post_op_handle_failure(frame, this, EIO);
+ break;
+ default:
+ break;
+ }
+ return;
}
-int
-afr_changelog_post_op_now (call_frame_t *frame, xlator_t *this)
-{
- afr_private_t *priv = this->private;
- afr_local_t *local = NULL;
- dict_t *xattr = NULL;
- int i = 0;
- int ret = 0;
- int idx = 0;
- int nothing_failed = 1;
- gf_boolean_t need_undirty = _gf_false;
-
- afr_handle_quorum (frame, this);
- local = frame->local;
- idx = afr_index_for_transaction_type (local->transaction.type);
-
- xattr = dict_new ();
- if (!xattr) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- afr_changelog_post_op_done (frame, this);
- goto out;
- }
+static void
+afr_handle_failure_using_thin_arbiter(call_frame_t *frame, xlator_t *this)
+{
+ afr_private_t *priv = this->private;
+ afr_local_t *local = frame->local;
- nothing_failed = afr_txn_nothing_failed (frame, this);
+ afr_ta_fill_failed_subvol(priv, local);
+ gf_msg_debug(this->name, 0,
+ "Fop failed on data brick (%s) for gfid=%s. "
+ "ta info needed to decide fop result.",
+ priv->children[local->ta_failed_subvol]->name,
+ uuid_utoa(local->inode->gfid));
+ afr_ta_decide_post_op_state(frame, this);
+}
- if (afr_changelog_pre_op_uninherit (frame, this))
- need_undirty = _gf_false;
- else
- need_undirty = _gf_true;
+void
+afr_changelog_post_op_do(call_frame_t *frame, xlator_t *this)
+{
+ afr_private_t *priv = this->private;
+ afr_local_t *local = NULL;
+ dict_t *xattr = NULL;
+ int i = 0;
+ int ret = 0;
+ int idx = 0;
+ int nothing_failed = 1;
+ gf_boolean_t need_undirty = _gf_false;
+
+ afr_handle_quorum(frame, this);
+ local = frame->local;
+ idx = afr_index_for_transaction_type(local->transaction.type);
+
+ xattr = dict_new();
+ if (!xattr) {
+ afr_changelog_post_op_fail(frame, this, ENOMEM);
+ goto out;
+ }
+
+ nothing_failed = afr_txn_nothing_failed(frame, this);
+
+ if (afr_changelog_pre_op_uninherit(frame, this))
+ need_undirty = _gf_false;
+ else
+ need_undirty = _gf_true;
+
+ if (local->op_ret < 0 && !nothing_failed) {
+ if (afr_need_dirty_marking(frame, this)) {
+ local->dirty[idx] = hton32(1);
+ goto set_dirty;
+ }
+
+ afr_changelog_post_op_done(frame, this);
+ goto out;
+ }
+
+ if (nothing_failed && !need_undirty) {
+ afr_changelog_post_op_done(frame, this);
+ goto out;
+ }
+
+ if (local->transaction.in_flight_sb) {
+ afr_changelog_post_op_fail(frame, this,
+ local->transaction.in_flight_sb_errno);
+ goto out;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.failed_subvols[i])
+ local->pending[i][idx] = hton32(1);
+ }
+
+ ret = afr_set_pending_dict(priv, xattr, local->pending);
+ if (ret < 0) {
+ afr_changelog_post_op_fail(frame, this, ENOMEM);
+ goto out;
+ }
+
+ if (need_undirty)
+ local->dirty[idx] = hton32(-1);
+ else
+ local->dirty[idx] = hton32(0);
- if (local->op_ret < 0 && !nothing_failed) {
- if (afr_need_dirty_marking (frame, this)) {
- local->dirty[idx] = hton32(1);
- goto set_dirty;
- }
+set_dirty:
+ ret = dict_set_static_bin(xattr, AFR_DIRTY, local->dirty,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret) {
+ afr_changelog_post_op_fail(frame, this, ENOMEM);
+ goto out;
+ }
+
+ afr_changelog_do(frame, this, xattr, afr_changelog_post_op_done,
+ AFR_TRANSACTION_POST_OP);
+out:
+ if (xattr)
+ dict_unref(xattr);
- afr_changelog_post_op_done (frame, this);
- goto out;
- }
+ return;
+}
- if (nothing_failed && !need_undirty) {
- afr_changelog_post_op_done (frame, this);
- goto out;
- }
+static int
+afr_changelog_post_op_now(call_frame_t *frame, xlator_t *this)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ int failed_count = 0;
- if (local->transaction.in_flight_sb) {
- local->op_ret = -1;
- local->op_errno = local->transaction.in_flight_sb_errno;
- afr_changelog_post_op_done (frame, this);
- goto out;
+ priv = this->private;
+ local = frame->local;
+
+ if (priv->thin_arbiter_count) {
+ failed_count = AFR_COUNT(local->transaction.failed_subvols,
+ priv->child_count);
+ if (failed_count == 1) {
+ afr_handle_failure_using_thin_arbiter(frame, this);
+ return 0;
+ } else {
+ /* Txn either succeeded or failed on both data bricks. Let
+ * post_op_do handle it as the case might be. */
}
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.failed_subvols[i])
- local->pending[i][idx] = hton32(1);
- }
+ afr_changelog_post_op_do(frame, this);
+ return 0;
+}
- ret = afr_set_pending_dict (priv, xattr, local->pending);
- if (ret < 0) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- afr_changelog_post_op_done (frame, this);
- goto out;
- }
+gf_boolean_t
+afr_changelog_pre_op_uninherit(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_inode_ctx_t *ctx = NULL;
+ int i = 0;
+ gf_boolean_t ret = _gf_false;
+ int type = 0;
- ret = afr_changelog_thin_arbiter_post_op (this, local);
- if (ret < 0) {
- local->op_ret = -1;
- local->op_errno = -ret;
- afr_changelog_post_op_done (frame, this);
- goto out;
- }
+ local = frame->local;
+ priv = this->private;
+ ctx = local->inode_ctx;
- if (need_undirty)
- local->dirty[idx] = hton32(-1);
- else
- local->dirty[idx] = hton32(0);
+ type = afr_index_for_transaction_type(local->transaction.type);
+ if (type != AFR_DATA_TRANSACTION)
+ return !local->transaction.dirtied;
-set_dirty:
- ret = dict_set_static_bin (xattr, AFR_DIRTY, local->dirty,
- sizeof(int) * AFR_NUM_CHANGE_LOGS);
- if (ret) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- afr_changelog_post_op_done (frame, this);
- goto out;
- }
-
- afr_changelog_do (frame, this, xattr, afr_changelog_post_op_done,
- AFR_TRANSACTION_POST_OP);
-out:
- if (xattr)
- dict_unref (xattr);
+ if (local->transaction.no_uninherit)
+ return _gf_false;
- return 0;
-}
+ /* This function must be idempotent. So check if we
+ were called before and return the same answer again.
+ It is important to keep this function idempotent for
+ the call in afr_changelog_post_op_safe() to not have
+ side effects on the call from afr_changelog_post_op_now()
+ */
+ if (local->transaction.uninherit_done)
+ return local->transaction.uninherit_value;
-gf_boolean_t
-afr_changelog_pre_op_uninherit (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- afr_inode_ctx_t *ctx = NULL;
- int i = 0;
- gf_boolean_t ret = _gf_false;
- int type = 0;
-
- local = frame->local;
- priv = this->private;
- ctx = local->inode_ctx;
-
- type = afr_index_for_transaction_type (local->transaction.type);
- if (type != AFR_DATA_TRANSACTION)
- return !local->transaction.dirtied;
-
- if (local->transaction.no_uninherit)
- return _gf_false;
-
- /* This function must be idempotent. So check if we
- were called before and return the same answer again.
-
- It is important to keep this function idempotent for
- the call in afr_changelog_post_op_safe() to not have
- side effects on the call from afr_changelog_post_op_now()
- */
- if (local->transaction.uninherit_done)
- return local->transaction.uninherit_value;
-
- LOCK(&local->inode->lock);
- {
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i] !=
- ctx->pre_op_done[type][i]) {
- ret = !local->transaction.dirtied;
- goto unlock;
- }
- }
-
- if (ctx->inherited[type]) {
- ret = _gf_true;
- ctx->inherited[type]--;
- } else if (ctx->on_disk[type]) {
- ret = _gf_false;
- ctx->on_disk[type]--;
- } else {
- /* ASSERT */
- ret = _gf_false;
- }
-
- if (!ctx->inherited[type] && !ctx->on_disk[type]) {
- for (i = 0; i < priv->child_count; i++)
- ctx->pre_op_done[type][i] = 0;
- }
- }
+ LOCK(&local->inode->lock);
+ {
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.pre_op[i] != ctx->pre_op_done[type][i]) {
+ ret = !local->transaction.dirtied;
+ goto unlock;
+ }
+ }
+
+ if (ctx->inherited[type]) {
+ ret = _gf_true;
+ ctx->inherited[type]--;
+ } else if (ctx->on_disk[type]) {
+ ret = _gf_false;
+ ctx->on_disk[type]--;
+ } else {
+ /* ASSERT */
+ ret = _gf_false;
+ }
+
+ if (!ctx->inherited[type] && !ctx->on_disk[type]) {
+ for (i = 0; i < priv->child_count; i++)
+ ctx->pre_op_done[type][i] = 0;
+ }
+ }
unlock:
- UNLOCK(&local->inode->lock);
+ UNLOCK(&local->inode->lock);
- local->transaction.uninherit_done = _gf_true;
- local->transaction.uninherit_value = ret;
+ local->transaction.uninherit_done = _gf_true;
+ local->transaction.uninherit_value = ret;
- return ret;
+ return ret;
}
-
gf_boolean_t
-afr_changelog_pre_op_inherit (call_frame_t *frame, xlator_t *this)
+afr_changelog_pre_op_inherit(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- gf_boolean_t ret = _gf_false;
- int type = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ gf_boolean_t ret = _gf_false;
+ int type = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- if (local->transaction.type != AFR_DATA_TRANSACTION)
- return _gf_false;
+ if (local->transaction.type != AFR_DATA_TRANSACTION)
+ return _gf_false;
- type = afr_index_for_transaction_type (local->transaction.type);
+ type = afr_index_for_transaction_type(local->transaction.type);
- LOCK(&local->inode->lock);
- {
- if (!local->inode_ctx->on_disk[type]) {
- /* nothing to inherit yet */
- ret = _gf_false;
- goto unlock;
- }
+ LOCK(&local->inode->lock);
+ {
+ if (!local->inode_ctx->on_disk[type]) {
+ /* nothing to inherit yet */
+ ret = _gf_false;
+ goto unlock;
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i] !=
- local->inode_ctx->pre_op_done[type][i]) {
- /* either inherit exactly, or don't */
- ret = _gf_false;
- goto unlock;
- }
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.pre_op[i] !=
+ local->inode_ctx->pre_op_done[type][i]) {
+ /* either inherit exactly, or don't */
+ ret = _gf_false;
+ goto unlock;
+ }
+ }
- local->inode_ctx->inherited[type]++;
+ local->inode_ctx->inherited[type]++;
- ret = _gf_true;
+ ret = _gf_true;
- local->transaction.inherited = _gf_true;
- }
+ local->transaction.inherited = _gf_true;
+ }
unlock:
- UNLOCK(&local->inode->lock);
+ UNLOCK(&local->inode->lock);
- return ret;
+ return ret;
}
-
gf_boolean_t
-afr_changelog_pre_op_update (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int i = 0;
- gf_boolean_t ret = _gf_false;
- int type = 0;
-
- local = frame->local;
- priv = this->private;
-
- if (local->transaction.type == AFR_ENTRY_TRANSACTION ||
- local->transaction.type == AFR_ENTRY_RENAME_TRANSACTION)
- return _gf_false;
-
- if (local->transaction.inherited)
- /* was already inherited in afr_changelog_pre_op */
- return _gf_false;
-
- if (!local->transaction.dirtied)
- return _gf_false;
-
- if (!afr_txn_nothing_failed (frame, this))
- return _gf_false;
-
- type = afr_index_for_transaction_type (local->transaction.type);
-
- ret = _gf_false;
-
- LOCK(&local->inode->lock);
- {
- if (!local->inode_ctx->on_disk[type]) {
- for (i = 0; i < priv->child_count; i++)
- local->inode_ctx->pre_op_done[type][i] =
- (!local->transaction.failed_subvols[i]);
- } else {
- for (i = 0; i < priv->child_count; i++)
- if (local->inode_ctx->pre_op_done[type][i] !=
- (!local->transaction.failed_subvols[i])) {
- local->transaction.no_uninherit = 1;
- goto unlock;
- }
- }
- local->inode_ctx->on_disk[type]++;
-
- ret = _gf_true;
- }
-unlock:
- UNLOCK(&local->inode->lock);
+afr_changelog_pre_op_update(call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ gf_boolean_t ret = _gf_false;
+ int type = 0;
- return ret;
-}
+ local = frame->local;
+ priv = this->private;
+ if (local->transaction.type == AFR_ENTRY_TRANSACTION ||
+ local->transaction.type == AFR_ENTRY_RENAME_TRANSACTION)
+ return _gf_false;
-int
-afr_changelog_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
-{
- afr_local_t *local = NULL;
- int call_count = -1;
- int child_index = -1;
+ if (local->transaction.inherited)
+ /* was already inherited in afr_changelog_pre_op */
+ return _gf_false;
- local = frame->local;
- child_index = (long) cookie;
+ if (!local->transaction.dirtied)
+ return _gf_false;
- if (op_ret == -1) {
- local->op_errno = op_errno;
- afr_transaction_fop_failed (frame, this, child_index);
- }
+ if (!afr_txn_nothing_failed(frame, this))
+ return _gf_false;
- if (xattr)
- local->transaction.changelog_xdata[child_index] = dict_ref (xattr);
+ type = afr_index_for_transaction_type(local->transaction.type);
- call_count = afr_frame_return (frame);
+ ret = _gf_false;
- if (call_count == 0) {
- local->transaction.changelog_resume (frame, this);
+ LOCK(&local->inode->lock);
+ {
+ if (!local->inode_ctx->on_disk[type]) {
+ for (i = 0; i < priv->child_count; i++)
+ local->inode_ctx->pre_op_done[type][i] =
+ (!local->transaction.failed_subvols[i]);
+ } else {
+ for (i = 0; i < priv->child_count; i++)
+ if (local->inode_ctx->pre_op_done[type][i] !=
+ (!local->transaction.failed_subvols[i])) {
+ local->transaction.no_uninherit = 1;
+ goto unlock;
+ }
}
+ local->inode_ctx->on_disk[type]++;
- return 0;
+ ret = _gf_true;
+ }
+unlock:
+ UNLOCK(&local->inode->lock);
+
+ return ret;
}
-void
-afr_changelog_populate_xdata (call_frame_t *frame, afr_xattrop_type_t op,
- dict_t **xdata, dict_t **newloc_xdata)
-{
- int i = 0;
- int ret = 0;
- char *key = NULL;
- const char *name = NULL;
- dict_t *xdata1 = NULL;
- dict_t *xdata2 = NULL;
- xlator_t *this = NULL;
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- gf_boolean_t need_entry_key_set = _gf_true;
-
- local = frame->local;
- this = THIS;
- priv = this->private;
-
- if (local->transaction.type == AFR_DATA_TRANSACTION ||
- local->transaction.type == AFR_METADATA_TRANSACTION)
- goto out;
+int
+afr_changelog_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xattr, dict_t *xdata)
+{
+ afr_local_t *local = NULL;
+ int call_count = -1;
+ int child_index = -1;
- if (!priv->esh_granular)
- goto out;
+ local = frame->local;
+ child_index = (long)cookie;
- xdata1 = dict_new();
- if (!xdata1)
- goto out;
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ afr_transaction_fop_failed(frame, this, child_index);
+ }
+
+ if (xattr)
+ local->transaction.changelog_xdata[child_index] = dict_ref(xattr);
+
+ call_count = afr_frame_return(frame);
- name = local->loc.name;
- if (local->op == GF_FOP_LINK)
- name = local->newloc.name;
+ if (call_count == 0) {
+ local->transaction.changelog_resume(frame, this);
+ }
- switch (op) {
+ return 0;
+}
+
+void
+afr_changelog_populate_xdata(call_frame_t *frame, afr_xattrop_type_t op,
+ dict_t **xdata, dict_t **newloc_xdata)
+{
+ int i = 0;
+ int ret = 0;
+ char *key = NULL;
+ int keylen = 0;
+ const char *name = NULL;
+ dict_t *xdata1 = NULL;
+ dict_t *xdata2 = NULL;
+ xlator_t *this = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t need_entry_key_set = _gf_true;
+
+ local = frame->local;
+ this = THIS;
+ priv = this->private;
+
+ if (local->transaction.type == AFR_DATA_TRANSACTION ||
+ local->transaction.type == AFR_METADATA_TRANSACTION)
+ goto out;
+
+ if (!priv->esh_granular)
+ goto out;
+
+ xdata1 = dict_new();
+ if (!xdata1)
+ goto out;
+
+ name = local->loc.name;
+ if (local->op == GF_FOP_LINK)
+ name = local->newloc.name;
+
+ switch (op) {
case AFR_TRANSACTION_PRE_OP:
- key = GF_XATTROP_ENTRY_IN_KEY;
- break;
+ key = GF_XATTROP_ENTRY_IN_KEY;
+ break;
case AFR_TRANSACTION_POST_OP:
- if (afr_txn_nothing_failed (frame, this)) {
- key = GF_XATTROP_ENTRY_OUT_KEY;
- for (i = 0; i < priv->child_count; i++) {
- if (!local->transaction.failed_subvols[i])
- continue;
- need_entry_key_set = _gf_false;
- break;
- }
- /* If the transaction itself did not fail and there
- * are no failed subvolumes, check whether the fop
- * failed due to a symmetric error. If it did, do
- * not set the ENTRY_OUT xattr which would end up
- * deleting a name index which was created possibly by
- * an earlier entry txn that may have failed on some
- * of the sub-volumes.
- */
- if (local->op_ret)
- need_entry_key_set = _gf_false;
- } else {
- key = GF_XATTROP_ENTRY_IN_KEY;
+ if (afr_txn_nothing_failed(frame, this)) {
+ key = GF_XATTROP_ENTRY_OUT_KEY;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->transaction.failed_subvols[i])
+ continue;
+ need_entry_key_set = _gf_false;
+ break;
}
- break;
- }
+ /* If the transaction itself did not fail and there
+ * are no failed subvolumes, check whether the fop
+ * failed due to a symmetric error. If it did, do
+ * not set the ENTRY_OUT xattr which would end up
+ * deleting a name index which was created possibly by
+ * an earlier entry txn that may have failed on some
+ * of the sub-volumes.
+ */
+ if (local->op_ret)
+ need_entry_key_set = _gf_false;
+ } else {
+ key = GF_XATTROP_ENTRY_IN_KEY;
+ }
+ break;
+ }
- if (need_entry_key_set) {
- ret = dict_set_str (xdata1, key, (char *)name);
- if (ret)
- gf_msg (THIS->name, GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED,
- "%s/%s: Could not set %s key during xattrop",
- uuid_utoa (local->loc.pargfid), local->loc.name,
- key);
- if (local->transaction.type == AFR_ENTRY_RENAME_TRANSACTION) {
- xdata2 = dict_new ();
- if (!xdata2)
- goto out;
-
- ret = dict_set_str (xdata2, key,
- (char *)local->newloc.name);
- if (ret)
- gf_msg (THIS->name, GF_LOG_ERROR, 0,
- AFR_MSG_DICT_SET_FAILED,
- "%s/%s: Could not set %s key during "
- "xattrop",
- uuid_utoa (local->newloc.pargfid),
- local->newloc.name, key);
- }
+ if (need_entry_key_set) {
+ keylen = strlen(key);
+ ret = dict_set_strn(xdata1, key, keylen, (char *)name);
+ if (ret)
+ gf_msg(THIS->name, GF_LOG_ERROR, 0, AFR_MSG_DICT_SET_FAILED,
+ "%s/%s: Could not set %s key during xattrop",
+ uuid_utoa(local->loc.pargfid), local->loc.name, key);
+ if (local->transaction.type == AFR_ENTRY_RENAME_TRANSACTION) {
+ xdata2 = dict_new();
+ if (!xdata2)
+ goto out;
+
+ ret = dict_set_strn(xdata2, key, keylen,
+ (char *)local->newloc.name);
+ if (ret)
+ gf_msg(THIS->name, GF_LOG_ERROR, 0, AFR_MSG_DICT_SET_FAILED,
+ "%s/%s: Could not set %s key during "
+ "xattrop",
+ uuid_utoa(local->newloc.pargfid), local->newloc.name,
+ key);
}
+ }
- *xdata = xdata1;
- *newloc_xdata = xdata2;
- xdata1 = xdata2 = NULL;
+ *xdata = xdata1;
+ *newloc_xdata = xdata2;
+ xdata1 = xdata2 = NULL;
out:
- if (xdata1)
- dict_unref (xdata1);
- return;
+ if (xdata1)
+ dict_unref(xdata1);
+ return;
}
int
-afr_changelog_prepare (xlator_t *this, call_frame_t *frame, int *call_count,
- afr_changelog_resume_t changelog_resume,
- afr_xattrop_type_t op, dict_t **xdata,
- dict_t **newloc_xdata)
+afr_changelog_prepare(xlator_t *this, call_frame_t *frame, int *call_count,
+ afr_changelog_resume_t changelog_resume,
+ afr_xattrop_type_t op, dict_t **xdata,
+ dict_t **newloc_xdata)
{
- afr_private_t *priv = NULL;
- afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- *call_count = afr_changelog_call_count (local->transaction.type,
- local->transaction.pre_op,
- local->transaction.failed_subvols,
- priv->child_count);
+ *call_count = afr_changelog_call_count(
+ local->transaction.type, local->transaction.pre_op,
+ local->transaction.failed_subvols, priv->child_count);
- if (*call_count == 0) {
- changelog_resume (frame, this);
- return -1;
- }
+ if (*call_count == 0) {
+ changelog_resume(frame, this);
+ return -1;
+ }
- afr_changelog_populate_xdata (frame, op, xdata, newloc_xdata);
- local->call_count = *call_count;
+ afr_changelog_populate_xdata(frame, op, xdata, newloc_xdata);
+ local->call_count = *call_count;
- local->transaction.changelog_resume = changelog_resume;
- return 0;
+ local->transaction.changelog_resume = changelog_resume;
+ return 0;
}
int
-afr_changelog_do (call_frame_t *frame, xlator_t *this, dict_t *xattr,
- afr_changelog_resume_t changelog_resume,
- afr_xattrop_type_t op)
+afr_changelog_do(call_frame_t *frame, xlator_t *this, dict_t *xattr,
+ afr_changelog_resume_t changelog_resume, afr_xattrop_type_t op)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- dict_t *xdata = NULL;
- dict_t *newloc_xdata = NULL;
- int i = 0;
- int call_count = 0;
- int ret = 0;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ dict_t *xdata = NULL;
+ dict_t *newloc_xdata = NULL;
+ int i = 0;
+ int call_count = 0;
+ int ret = 0;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.changelog_xdata[i]) {
- dict_unref (local->transaction.changelog_xdata[i]);
- local->transaction.changelog_xdata[i] = NULL;
- }
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->transaction.changelog_xdata[i]) {
+ dict_unref(local->transaction.changelog_xdata[i]);
+ local->transaction.changelog_xdata[i] = NULL;
}
+ }
- ret = afr_changelog_prepare (this, frame, &call_count, changelog_resume,
- op, &xdata, &newloc_xdata);
+ ret = afr_changelog_prepare(this, frame, &call_count, changelog_resume, op,
+ &xdata, &newloc_xdata);
- if (ret)
- return 0;
+ if (ret)
+ return 0;
- for (i = 0; i < priv->child_count; i++) {
- if (!local->transaction.pre_op[i] ||
- local->transaction.failed_subvols[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->transaction.pre_op[i] ||
+ local->transaction.failed_subvols[i])
+ continue;
- switch (local->transaction.type) {
- case AFR_DATA_TRANSACTION:
- case AFR_METADATA_TRANSACTION:
- if (!local->fd) {
- STACK_WIND_COOKIE (frame, afr_changelog_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->xattrop,
- &local->loc,
- GF_XATTROP_ADD_ARRAY, xattr,
- xdata);
- } else {
- STACK_WIND_COOKIE (frame, afr_changelog_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->fxattrop,
- local->fd,
- GF_XATTROP_ADD_ARRAY, xattr,
- xdata);
- }
- break;
- case AFR_ENTRY_RENAME_TRANSACTION:
-
- STACK_WIND_COOKIE (frame, afr_changelog_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->xattrop,
- &local->transaction.new_parent_loc,
- GF_XATTROP_ADD_ARRAY, xattr,
- newloc_xdata);
- call_count--;
+ switch (local->transaction.type) {
+ case AFR_DATA_TRANSACTION:
+ case AFR_METADATA_TRANSACTION:
+ if (!local->fd) {
+ STACK_WIND_COOKIE(
+ frame, afr_changelog_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->xattrop,
+ &local->loc, GF_XATTROP_ADD_ARRAY, xattr, xdata);
+ } else {
+ STACK_WIND_COOKIE(
+ frame, afr_changelog_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->fxattrop,
+ local->fd, GF_XATTROP_ADD_ARRAY, xattr, xdata);
+ }
+ break;
+ case AFR_ENTRY_RENAME_TRANSACTION:
+
+ STACK_WIND_COOKIE(frame, afr_changelog_cbk, (void *)(long)i,
+ priv->children[i],
+ priv->children[i]->fops->xattrop,
+ &local->transaction.new_parent_loc,
+ GF_XATTROP_ADD_ARRAY, xattr, newloc_xdata);
+ call_count--;
/* fall through */
- case AFR_ENTRY_TRANSACTION:
- if (local->fd)
- STACK_WIND_COOKIE (frame, afr_changelog_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->fxattrop,
- local->fd,
- GF_XATTROP_ADD_ARRAY, xattr,
- xdata);
- else
- STACK_WIND_COOKIE (frame, afr_changelog_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->xattrop,
- &local->transaction.parent_loc,
- GF_XATTROP_ADD_ARRAY, xattr,
- xdata);
- break;
- }
-
- if (!--call_count)
- break;
+ case AFR_ENTRY_TRANSACTION:
+ if (local->fd)
+ STACK_WIND_COOKIE(
+ frame, afr_changelog_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->fxattrop,
+ local->fd, GF_XATTROP_ADD_ARRAY, xattr, xdata);
+ else
+ STACK_WIND_COOKIE(frame, afr_changelog_cbk, (void *)(long)i,
+ priv->children[i],
+ priv->children[i]->fops->xattrop,
+ &local->transaction.parent_loc,
+ GF_XATTROP_ADD_ARRAY, xattr, xdata);
+ break;
}
- if (xdata)
- dict_unref (xdata);
- if (newloc_xdata)
- dict_unref (newloc_xdata);
- return 0;
+ if (!--call_count)
+ break;
+ }
+
+ if (xdata)
+ dict_unref(xdata);
+ if (newloc_xdata)
+ dict_unref(newloc_xdata);
+ return 0;
}
static void
-afr_init_optimistic_changelog_for_txn (xlator_t *this, afr_local_t *local)
+afr_init_optimistic_changelog_for_txn(xlator_t *this, afr_local_t *local)
{
- int locked_count = 0;
- afr_private_t *priv = NULL;
+ int locked_count = 0;
+ afr_private_t *priv = NULL;
- priv = this->private;
+ priv = this->private;
- locked_count = AFR_COUNT (local->transaction.pre_op, priv->child_count);
- if (priv->optimistic_change_log && locked_count == priv->child_count)
- local->optimistic_change_log = 1;
+ locked_count = AFR_COUNT(local->transaction.pre_op, priv->child_count);
+ if (priv->optimistic_change_log && locked_count == priv->child_count)
+ local->optimistic_change_log = 1;
- return;
+ return;
}
int
-afr_changelog_pre_op (call_frame_t *frame, xlator_t *this)
-{
- afr_private_t * priv = this->private;
- int i = 0;
- int ret = 0;
- int call_count = 0;
- int op_errno = 0;
- afr_local_t *local = NULL;
- afr_internal_lock_t *int_lock = NULL;
- unsigned char *locked_nodes = NULL;
- int idx = -1;
- gf_boolean_t pre_nop = _gf_true;
- dict_t *xdata_req = NULL;
-
- local = frame->local;
- int_lock = &local->internal_lock;
- idx = afr_index_for_transaction_type (local->transaction.type);
-
- locked_nodes = afr_locked_nodes_get (local->transaction.type, int_lock);
-
- for (i = 0; i < priv->child_count; i++) {
- if (locked_nodes[i]) {
- local->transaction.pre_op[i] = 1;
- call_count++;
- } else {
- local->transaction.failed_subvols[i] = 1;
- }
- }
-
- afr_init_optimistic_changelog_for_txn (this, local);
-
- if (afr_changelog_pre_op_inherit (frame, this))
- goto next;
-
- /* This condition should not be met with present code, as
- * transaction.done will be called if locks are not acquired on even a
- * single node.
- */
- if (call_count == 0) {
- op_errno = ENOTCONN;
- goto err;
- }
-
- /* Check if the fop can be performed on at least
- * quorum number of nodes.
- */
- if (priv->quorum_count && !afr_has_fop_quorum (frame)) {
- op_errno = int_lock->lock_op_errno;
- if (op_errno == 0)
- op_errno = afr_quorum_errno (priv);
- goto err;
- }
-
- xdata_req = dict_new();
- if (!xdata_req) {
- op_errno = ENOMEM;
- goto err;
- }
-
- if (call_count < priv->child_count)
- pre_nop = _gf_false;
-
- /* Set an all-zero pending changelog so that in the cbk, we can get the
- * current on-disk values. In a replica 3 volume with arbiter enabled,
- * these values are needed to arrive at a go/ no-go of the fop phase to
- * avoid ending up in split-brain.*/
-
- ret = afr_set_pending_dict (priv, xdata_req, local->pending);
- if (ret < 0) {
- op_errno = ENOMEM;
- goto err;
- }
-
- if (afr_needs_changelog_update (local)) {
-
- local->dirty[idx] = hton32(1);
-
- ret = dict_set_static_bin (xdata_req, AFR_DIRTY, local->dirty,
- sizeof(int) * AFR_NUM_CHANGE_LOGS);
- if (ret) {
- op_errno = ENOMEM;
- goto err;
- }
-
- pre_nop = _gf_false;
- local->transaction.dirtied = 1;
- }
-
- if (pre_nop)
- goto next;
-
- if (!local->pre_op_compat) {
- dict_copy (xdata_req, local->xdata_req);
- goto next;
- }
-
- afr_changelog_do (frame, this, xdata_req, afr_transaction_perform_fop,
- AFR_TRANSACTION_PRE_OP);
-
- if (xdata_req)
- dict_unref (xdata_req);
-
- return 0;
+afr_changelog_pre_op(call_frame_t *frame, xlator_t *this)
+{
+ afr_private_t *priv = this->private;
+ int i = 0;
+ int ret = 0;
+ int call_count = 0;
+ int op_errno = 0;
+ afr_local_t *local = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ unsigned char *locked_nodes = NULL;
+ int idx = -1;
+ gf_boolean_t pre_nop = _gf_true;
+ dict_t *xdata_req = NULL;
+
+ local = frame->local;
+ int_lock = &local->internal_lock;
+ idx = afr_index_for_transaction_type(local->transaction.type);
+
+ locked_nodes = afr_locked_nodes_get(local->transaction.type, int_lock);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (locked_nodes[i]) {
+ local->transaction.pre_op[i] = 1;
+ call_count++;
+ } else {
+ local->transaction.failed_subvols[i] = 1;
+ }
+ }
+
+ afr_init_optimistic_changelog_for_txn(this, local);
+
+ if (afr_changelog_pre_op_inherit(frame, this))
+ goto next;
+
+ /* This condition should not be met with present code, as
+ * transaction.done will be called if locks are not acquired on even a
+ * single node.
+ */
+ if (call_count == 0) {
+ op_errno = ENOTCONN;
+ goto err;
+ }
+
+ /* Check if the fop can be performed on at least
+ * quorum number of nodes.
+ */
+ if (priv->quorum_count && !afr_has_fop_quorum(frame)) {
+ op_errno = int_lock->lock_op_errno;
+ if (op_errno == 0)
+ op_errno = afr_quorum_errno(priv);
+ goto err;
+ }
+
+ xdata_req = dict_new();
+ if (!xdata_req) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ if (call_count < priv->child_count)
+ pre_nop = _gf_false;
+
+ /* Set an all-zero pending changelog so that in the cbk, we can get the
+ * current on-disk values. In a replica 3 volume with arbiter enabled,
+ * these values are needed to arrive at a go/ no-go of the fop phase to
+ * avoid ending up in split-brain.*/
+
+ ret = afr_set_pending_dict(priv, xdata_req, local->pending);
+ if (ret < 0) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ if (afr_needs_changelog_update(local)) {
+ local->dirty[idx] = hton32(1);
+
+ ret = dict_set_static_bin(xdata_req, AFR_DIRTY, local->dirty,
+ sizeof(int) * AFR_NUM_CHANGE_LOGS);
+ if (ret) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ pre_nop = _gf_false;
+ local->transaction.dirtied = 1;
+ }
+
+ if (pre_nop)
+ goto next;
+
+ if (!local->pre_op_compat) {
+ dict_copy(xdata_req, local->xdata_req);
+ goto next;
+ }
+
+ afr_changelog_do(frame, this, xdata_req, afr_transaction_perform_fop,
+ AFR_TRANSACTION_PRE_OP);
+
+ if (xdata_req)
+ dict_unref(xdata_req);
+
+ return 0;
next:
- afr_transaction_perform_fop (frame, this);
+ afr_transaction_perform_fop(frame, this);
- if (xdata_req)
- dict_unref (xdata_req);
+ if (xdata_req)
+ dict_unref(xdata_req);
- return 0;
+ return 0;
err:
- local->internal_lock.lock_cbk = afr_transaction_done;
- local->op_ret = -1;
- local->op_errno = op_errno;
+ local->internal_lock.lock_cbk = afr_transaction_done;
+ local->op_ret = -1;
+ local->op_errno = op_errno;
- afr_handle_lock_acquire_failure (local, _gf_true);
+ afr_handle_lock_acquire_failure(local);
- if (xdata_req)
- dict_unref (xdata_req);
+ if (xdata_req)
+ dict_unref(xdata_req);
- return 0;
+ return 0;
}
-
int
-afr_post_nonblocking_inodelk_cbk (call_frame_t *frame, xlator_t *this)
+afr_post_nonblocking_lock_cbk(call_frame_t *frame, xlator_t *this)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
- int_lock = &local->internal_lock;
+ local = frame->local;
+ int_lock = &local->internal_lock;
- /* Initiate blocking locks if non-blocking has failed */
- if (int_lock->lock_op_ret < 0) {
- gf_msg_debug (this->name, 0,
- "Non blocking inodelks failed. Proceeding to blocking");
- int_lock->lock_cbk = afr_internal_lock_finish;
- afr_blocking_lock (frame, this);
- } else {
+ /* Initiate blocking locks if non-blocking has failed */
+ if (int_lock->lock_op_ret < 0) {
+ gf_msg_debug(this->name, 0,
+ "Non blocking locks failed. Proceeding to blocking");
+ int_lock->lock_cbk = afr_internal_lock_finish;
+ afr_blocking_lock(frame, this);
+ } else {
+ gf_msg_debug(this->name, 0,
+ "Non blocking locks done. Proceeding to FOP");
- gf_msg_debug (this->name, 0,
- "Non blocking inodelks done. Proceeding to FOP");
- afr_internal_lock_finish (frame, this);
- }
+ afr_internal_lock_finish(frame, this);
+ }
- return 0;
+ return 0;
}
-
int
-afr_post_nonblocking_entrylk_cbk (call_frame_t *frame, xlator_t *this)
+afr_post_blocking_rename_cbk(call_frame_t *frame, xlator_t *this)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
- int_lock = &local->internal_lock;
+ local = frame->local;
+ int_lock = &local->internal_lock;
- /* Initiate blocking locks if non-blocking has failed */
- if (int_lock->lock_op_ret < 0) {
- gf_msg_debug (this->name, 0,
- "Non blocking entrylks failed. Proceeding to blocking");
- int_lock->lock_cbk = afr_internal_lock_finish;
- afr_blocking_lock (frame, this);
- } else {
+ if (int_lock->lock_op_ret < 0) {
+ gf_msg(this->name, GF_LOG_INFO, 0, AFR_MSG_INTERNAL_LKS_FAILED,
+ "Blocking entrylks failed.");
- gf_msg_debug (this->name, 0,
- "Non blocking entrylks done. Proceeding to FOP");
+ afr_transaction_done(frame, this);
+ } else {
+ gf_msg_debug(this->name, 0,
+ "Blocking entrylks done. Proceeding to FOP");
- afr_internal_lock_finish (frame, this);
- }
-
- return 0;
+ afr_internal_lock_finish(frame, this);
+ }
+ return 0;
}
-
int
-afr_post_blocking_rename_cbk (call_frame_t *frame, xlator_t *this)
+afr_post_lower_unlock_cbk(call_frame_t *frame, xlator_t *this)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
- int_lock = &local->internal_lock;
+ local = frame->local;
+ int_lock = &local->internal_lock;
- if (int_lock->lock_op_ret < 0) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- AFR_MSG_BLOCKING_LKS_FAILED,
- "Blocking entrylks failed.");
-
- afr_transaction_done (frame, this);
- } else {
+ GF_ASSERT(!int_lock->higher_locked);
- gf_msg_debug (this->name, 0,
- "Blocking entrylks done. Proceeding to FOP");
+ int_lock->lock_cbk = afr_post_blocking_rename_cbk;
+ afr_blocking_lock(frame, this);
- afr_internal_lock_finish (frame, this);
- }
- return 0;
+ return 0;
}
int
-afr_post_lower_unlock_cbk (call_frame_t *frame, xlator_t *this)
+afr_set_transaction_flock(xlator_t *this, afr_local_t *local,
+ afr_lockee_t *lockee)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ struct gf_flock *flock = NULL;
- local = frame->local;
- int_lock = &local->internal_lock;
+ priv = this->private;
+ flock = &lockee->flock;
- GF_ASSERT (!int_lock->higher_locked);
+ if ((priv->arbiter_count || local->transaction.eager_lock_on ||
+ priv->full_lock) &&
+ local->transaction.type == AFR_DATA_TRANSACTION) {
+ /*Lock entire file to avoid network split brains.*/
+ flock->l_len = 0;
+ flock->l_start = 0;
+ } else {
+ flock->l_len = local->transaction.len;
+ flock->l_start = local->transaction.start;
+ }
+ flock->l_type = F_WRLCK;
- int_lock->lock_cbk = afr_post_blocking_rename_cbk;
- afr_blocking_lock (frame, this);
-
- return 0;
+ return 0;
}
-
int
-afr_set_transaction_flock (xlator_t *this, afr_local_t *local)
+afr_lock(call_frame_t *frame, xlator_t *this)
{
- afr_internal_lock_t *int_lock = NULL;
- afr_private_t *priv = NULL;
+ afr_internal_lock_t *int_lock = NULL;
+ afr_local_t *local = NULL;
+ int i = 0;
- int_lock = &local->internal_lock;
- priv = this->private;
+ local = frame->local;
+ int_lock = &local->internal_lock;
- if ((priv->arbiter_count || local->transaction.eager_lock_on ||
- priv->full_lock) &&
- local->transaction.type == AFR_DATA_TRANSACTION) {
- /*Lock entire file to avoid network split brains.*/
- int_lock->flock.l_len = 0;
- int_lock->flock.l_start = 0;
- } else {
- int_lock->flock.l_len = local->transaction.len;
- int_lock->flock.l_start = local->transaction.start;
- }
- int_lock->flock.l_type = F_WRLCK;
-
- return 0;
-}
-
-int
-afr_lock (call_frame_t *frame, xlator_t *this)
-{
- afr_internal_lock_t *int_lock = NULL;
- afr_local_t *local = NULL;
+ int_lock->lock_cbk = afr_post_nonblocking_lock_cbk;
+ int_lock->domain = this->name;
- local = frame->local;
- int_lock = &local->internal_lock;
-
- int_lock->domain = this->name;
-
- switch (local->transaction.type) {
+ switch (local->transaction.type) {
case AFR_DATA_TRANSACTION:
case AFR_METADATA_TRANSACTION:
- afr_set_transaction_flock (this, local);
+ for (i = 0; i < int_lock->lockee_count; i++) {
+ afr_set_transaction_flock(this, local, &int_lock->lockee[i]);
+ }
- int_lock->lock_cbk = afr_post_nonblocking_inodelk_cbk;
-
- afr_nonblocking_inodelk (frame, this);
- break;
-
- case AFR_ENTRY_RENAME_TRANSACTION:
-
- int_lock->lock_cbk = afr_post_nonblocking_entrylk_cbk;
- afr_nonblocking_entrylk (frame, this);
- break;
+ break;
case AFR_ENTRY_TRANSACTION:
- int_lock->lk_basename = local->transaction.basename;
- if (local->transaction.parent_loc.path)
- int_lock->lk_loc = &local->transaction.parent_loc;
- else
- GF_ASSERT (local->fd);
-
- int_lock->lock_cbk = afr_post_nonblocking_entrylk_cbk;
- afr_nonblocking_entrylk (frame, this);
- break;
- }
+ int_lock->lk_basename = local->transaction.basename;
+ if (local->transaction.parent_loc.path)
+ int_lock->lk_loc = &local->transaction.parent_loc;
+ else
+ GF_ASSERT(local->fd);
+ break;
+ case AFR_ENTRY_RENAME_TRANSACTION:
+ break;
+ }
+ afr_lock_nonblocking(frame, this);
- return 0;
+ return 0;
}
static gf_boolean_t
-afr_locals_overlap (afr_local_t *local1, afr_local_t *local2)
+afr_locals_overlap(afr_local_t *local1, afr_local_t *local2)
{
- uint64_t start1 = local1->transaction.start;
- uint64_t start2 = local2->transaction.start;
- uint64_t end1 = 0;
- uint64_t end2 = 0;
+ uint64_t start1 = local1->transaction.start;
+ uint64_t start2 = local2->transaction.start;
+ uint64_t end1 = 0;
+ uint64_t end2 = 0;
- if (local1->transaction.len)
- end1 = start1 + local1->transaction.len - 1;
- else
- end1 = ULLONG_MAX;
+ if (local1->transaction.len)
+ end1 = start1 + local1->transaction.len - 1;
+ else
+ end1 = ULLONG_MAX;
- if (local2->transaction.len)
- end2 = start2 + local2->transaction.len - 1;
- else
- end2 = ULLONG_MAX;
+ if (local2->transaction.len)
+ end2 = start2 + local2->transaction.len - 1;
+ else
+ end2 = ULLONG_MAX;
- return ((end1 >= start2) && (end2 >= start1));
+ return ((end1 >= start2) && (end2 >= start1));
}
gf_boolean_t
-afr_has_lock_conflict (afr_local_t *local, gf_boolean_t waitlist_check)
-{
- afr_local_t *each = NULL;
- afr_lock_t *lock = NULL;
-
- lock = &local->inode_ctx->lock[local->transaction.type];
- /*
- * Once full file lock is acquired in eager-lock phase, overlapping
- * writes do not compete for inode-locks, instead are transferred to the
- * next writes. Because of this overlapping writes are not ordered.
- * This can cause inconsistencies in replication.
- * Example:
- * Two overlapping writes w1, w2 are sent in parallel on same fd
- * in two threads t1, t2.
- * Both threads can execute afr_writev_wind in the following manner.
- * t1 winds w1 on brick-0
- * t2 winds w2 on brick-0
- * t2 winds w2 on brick-1
- * t1 winds w1 on brick-1
- *
- * This check makes sure the locks are not transferred for
- * overlapping writes.
- */
- list_for_each_entry (each, &lock->owners, transaction.owner_list) {
- if (afr_locals_overlap (each, local)) {
- return _gf_true;
- }
- }
-
- if (!waitlist_check)
- return _gf_false;
- list_for_each_entry (each, &lock->waiting, transaction.wait_list) {
- if (afr_locals_overlap (each, local)) {
- return _gf_true;
- }
- }
+afr_has_lock_conflict(afr_local_t *local, gf_boolean_t waitlist_check)
+{
+ afr_local_t *each = NULL;
+ afr_lock_t *lock = NULL;
+
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ /*
+ * Once full file lock is acquired in eager-lock phase, overlapping
+ * writes do not compete for inode-locks, instead are transferred to the
+ * next writes. Because of this overlapping writes are not ordered.
+ * This can cause inconsistencies in replication.
+ * Example:
+ * Two overlapping writes w1, w2 are sent in parallel on same fd
+ * in two threads t1, t2.
+ * Both threads can execute afr_writev_wind in the following manner.
+ * t1 winds w1 on brick-0
+ * t2 winds w2 on brick-0
+ * t2 winds w2 on brick-1
+ * t1 winds w1 on brick-1
+ *
+ * This check makes sure the locks are not transferred for
+ * overlapping writes.
+ */
+ list_for_each_entry(each, &lock->owners, transaction.owner_list)
+ {
+ if (afr_locals_overlap(each, local)) {
+ return _gf_true;
+ }
+ }
+
+ if (!waitlist_check)
return _gf_false;
+ list_for_each_entry(each, &lock->waiting, transaction.wait_list)
+ {
+ if (afr_locals_overlap(each, local)) {
+ return _gf_true;
+ }
+ }
+ return _gf_false;
}
-
/* }}} */
static void
-afr_copy_inodelk_vars (afr_internal_lock_t *dst, afr_internal_lock_t *src,
- xlator_t *this)
+afr_copy_inodelk_vars(afr_internal_lock_t *dst, afr_internal_lock_t *src,
+ xlator_t *this, int lockee_num)
{
- afr_private_t *priv = this->private;
+ afr_private_t *priv = this->private;
+ afr_lockee_t *sl = &src->lockee[lockee_num];
+ afr_lockee_t *dl = &dst->lockee[lockee_num];
- dst->domain = src->domain;
- dst->flock.l_len = src->flock.l_len;
- dst->flock.l_start = src->flock.l_start;
- dst->flock.l_type = src->flock.l_type;
- dst->lock_count = src->lock_count;
- memcpy (dst->locked_nodes, src->locked_nodes,
- priv->child_count * sizeof (*dst->locked_nodes));
+ dst->domain = src->domain;
+ dl->flock.l_len = sl->flock.l_len;
+ dl->flock.l_start = sl->flock.l_start;
+ dl->flock.l_type = sl->flock.l_type;
+ dl->locked_count = sl->locked_count;
+ memcpy(dl->locked_nodes, sl->locked_nodes,
+ priv->child_count * sizeof(*dl->locked_nodes));
}
void
-__afr_transaction_wake_shared (afr_local_t *local, struct list_head *shared)
-{
- gf_boolean_t conflict = _gf_false;
- afr_local_t *each = NULL;
- afr_lock_t *lock = &local->inode_ctx->lock[local->transaction.type];
-
- while (!conflict) {
- if (list_empty (&lock->waiting))
- return;
- each = list_entry(lock->waiting.next, afr_local_t,
- transaction.wait_list);
- if (afr_has_lock_conflict (each, _gf_false)) {
- conflict = _gf_true;
- }
- if (conflict && !list_empty (&lock->owners))
- return;
- afr_copy_inodelk_vars (&each->internal_lock,
- &local->internal_lock,
- each->transaction.frame->this);
- list_move_tail (&each->transaction.wait_list, shared);
- list_add_tail(&each->transaction.owner_list, &lock->owners);
+__afr_transaction_wake_shared(afr_local_t *local, struct list_head *shared)
+{
+ gf_boolean_t conflict = _gf_false;
+ afr_local_t *each = NULL;
+ afr_lock_t *lock = &local->inode_ctx->lock[local->transaction.type];
+
+ while (!conflict) {
+ if (list_empty(&lock->waiting))
+ return;
+ each = list_entry(lock->waiting.next, afr_local_t,
+ transaction.wait_list);
+ if (afr_has_lock_conflict(each, _gf_false)) {
+ conflict = _gf_true;
}
+ if (conflict && !list_empty(&lock->owners))
+ return;
+ afr_copy_inodelk_vars(&each->internal_lock, &local->internal_lock,
+ each->transaction.frame->this, 0);
+ list_move_tail(&each->transaction.wait_list, shared);
+ list_add_tail(&each->transaction.owner_list, &lock->owners);
+ }
}
static void
-afr_lock_resume_shared (struct list_head *list)
+afr_lock_resume_shared(struct list_head *list)
{
- afr_local_t *each = NULL;
+ afr_local_t *each = NULL;
- while (!list_empty(list)) {
- each = list_entry(list->next, afr_local_t,
- transaction.wait_list);
- list_del_init(&each->transaction.wait_list);
- afr_changelog_pre_op (each->transaction.frame,
- each->transaction.frame->this);
- }
+ while (!list_empty(list)) {
+ each = list_entry(list->next, afr_local_t, transaction.wait_list);
+ list_del_init(&each->transaction.wait_list);
+ afr_changelog_pre_op(each->transaction.frame,
+ each->transaction.frame->this);
+ }
}
int
-afr_internal_lock_finish (call_frame_t *frame, xlator_t *this)
+afr_internal_lock_finish(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = frame->local;
- afr_lock_t *lock = NULL;
+ afr_local_t *local = frame->local;
+ afr_lock_t *lock = NULL;
-
- local->internal_lock.lock_cbk = NULL;
- if (!local->transaction.eager_lock_on) {
- if (local->internal_lock.lock_op_ret < 0) {
- afr_transaction_done (frame, this);
- return 0;
- }
- afr_changelog_pre_op (frame, this);
+ local->internal_lock.lock_cbk = NULL;
+ if (!local->transaction.eager_lock_on) {
+ if (local->internal_lock.lock_op_ret < 0) {
+ afr_transaction_done(frame, this);
+ return 0;
+ }
+ afr_changelog_pre_op(frame, this);
+ } else {
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ if (local->internal_lock.lock_op_ret < 0) {
+ afr_handle_lock_acquire_failure(local);
} else {
- lock = &local->inode_ctx->lock[local->transaction.type];
- if (local->internal_lock.lock_op_ret < 0) {
- afr_handle_lock_acquire_failure (local, _gf_false);
- } else {
- lock->event_generation = local->event_generation;
- afr_changelog_pre_op (frame, this);
- }
+ lock->event_generation = local->event_generation;
+ afr_changelog_pre_op(frame, this);
}
+ }
- return 0;
+ return 0;
}
gf_boolean_t
-afr_are_multiple_fds_opened (afr_local_t *local, xlator_t *this)
+afr_are_conflicting_ops_waiting(afr_local_t *local, xlator_t *this)
{
- /* Lets say mount1 has eager-lock(full-lock) and after the eager-lock
- * is taken mount2 opened the same file, it won't be able to
- * perform any data operations until mount1 releases eager-lock.
- * To avoid such scenario do not enable eager-lock for this transaction
- * if open-fd-count is > 1
- */
-
- if (local->inode_ctx->open_fd_count > 1)
- return _gf_true;
-
- return _gf_false;
-}
+ afr_lock_t *lock = NULL;
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ /* Lets say mount1 has eager-lock(full-lock) and after the eager-lock
+ * is taken mount2 opened the same file, it won't be able to
+ * perform any {meta,}data operations until mount1 releases eager-lock.
+ * To avoid such scenario do not enable eager-lock for this transaction
+ * if open-fd-count is > 1 for metadata transactions and if num-inodelks > 1
+ * for data transactions
+ */
-gf_boolean_t
-afr_is_delayed_changelog_post_op_needed (call_frame_t *frame, xlator_t *this,
- int delay)
-{
- afr_local_t *local = NULL;
- afr_lock_t *lock = NULL;
- gf_boolean_t res = _gf_false;
-
- local = frame->local;
- lock = &local->inode_ctx->lock[local->transaction.type];
-
- if (!afr_txn_nothing_failed (frame, this)) {
- lock->release = _gf_true;
- goto out;
+ if (local->transaction.type == AFR_METADATA_TRANSACTION) {
+ if (local->inode_ctx->open_fd_count > 1) {
+ return _gf_true;
}
-
- if (afr_are_multiple_fds_opened (local, this)) {
- lock->release = _gf_true;
- goto out;
+ } else if (local->transaction.type == AFR_DATA_TRANSACTION) {
+ if (lock->num_inodelks > 1) {
+ return _gf_true;
}
+ }
- if (!list_empty (&lock->owners))
- goto out;
- else
- GF_ASSERT (list_empty (&lock->waiting));
-
- if (lock->release) {
- goto out;
- }
-
- if (!delay) {
- goto out;
- }
-
- if ((local->op != GF_FOP_WRITE) &&
- (local->op != GF_FOP_FXATTROP)) {
- /*Only allow writes but shard does [f]xattrops on writes, so
- * they are fine too*/
- goto out;
- }
+ return _gf_false;
+}
- res = _gf_true;
+gf_boolean_t
+afr_is_delayed_changelog_post_op_needed(call_frame_t *frame, xlator_t *this,
+ int delay)
+{
+ afr_local_t *local = NULL;
+ afr_lock_t *lock = NULL;
+ gf_boolean_t res = _gf_false;
+
+ local = frame->local;
+ lock = &local->inode_ctx->lock[local->transaction.type];
+
+ if (!afr_txn_nothing_failed(frame, this)) {
+ lock->release = _gf_true;
+ goto out;
+ }
+
+ if (afr_are_conflicting_ops_waiting(local, this)) {
+ lock->release = _gf_true;
+ goto out;
+ }
+
+ if (!list_empty(&lock->owners))
+ goto out;
+ else
+ GF_ASSERT(list_empty(&lock->waiting));
+
+ if (lock->release) {
+ goto out;
+ }
+
+ if (!delay) {
+ goto out;
+ }
+
+ if (local->transaction.disable_delayed_post_op) {
+ goto out;
+ }
+
+ if ((local->op != GF_FOP_WRITE) && (local->op != GF_FOP_FXATTROP) &&
+ (local->op != GF_FOP_FSYNC)) {
+ /*Only allow writes/fsyncs but shard does [f]xattrops on writes, so
+ * they are fine too*/
+ goto out;
+ }
+
+ res = _gf_true;
out:
- return res;
+ return res;
}
-
void
-afr_delayed_changelog_wake_up_cbk (void *data)
-{
- afr_lock_t *lock = NULL;
- afr_local_t *local = data;
- afr_local_t *timer_local = NULL;
- struct list_head shared;
-
- INIT_LIST_HEAD (&shared);
- lock = &local->inode_ctx->lock[local->transaction.type];
- LOCK (&local->inode->lock);
- {
- timer_local = list_entry(lock->post_op.next,
- afr_local_t,
- transaction.owner_list);
- if (list_empty (&lock->owners) && (local == timer_local)) {
- GF_ASSERT (list_empty (&lock->waiting));
- /*Last owner*/
- lock->release = _gf_true;
- lock->delay_timer = NULL;
- }
- }
- UNLOCK (&local->inode->lock);
- afr_changelog_post_op_now (local->transaction.frame,
- local->transaction.frame->this);
+afr_delayed_changelog_wake_up_cbk(void *data)
+{
+ afr_lock_t *lock = NULL;
+ afr_local_t *local = data;
+ afr_local_t *timer_local = NULL;
+ struct list_head shared;
+
+ INIT_LIST_HEAD(&shared);
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ LOCK(&local->inode->lock);
+ {
+ timer_local = list_entry(lock->post_op.next, afr_local_t,
+ transaction.owner_list);
+ if (list_empty(&lock->owners) && (local == timer_local)) {
+ GF_ASSERT(list_empty(&lock->waiting));
+ /*Last owner*/
+ lock->release = _gf_true;
+ lock->delay_timer = NULL;
+ }
+ }
+ UNLOCK(&local->inode->lock);
+ afr_changelog_post_op_now(local->transaction.frame,
+ local->transaction.frame->this);
}
-
/* SET operation */
int
-afr_fd_report_unstable_write (xlator_t *this, afr_local_t *local)
+afr_fd_report_unstable_write(xlator_t *this, afr_local_t *local)
{
- LOCK(&local->inode->lock);
- {
- local->inode_ctx->witnessed_unstable_write = _gf_true;
- }
- UNLOCK(&local->inode->lock);
+ LOCK(&local->inode->lock);
+ {
+ local->inode_ctx->witnessed_unstable_write = _gf_true;
+ }
+ UNLOCK(&local->inode->lock);
- return 0;
+ return 0;
}
/* TEST and CLEAR operation */
gf_boolean_t
-afr_fd_has_witnessed_unstable_write (xlator_t *this, inode_t *inode)
+afr_fd_has_witnessed_unstable_write(xlator_t *this, inode_t *inode)
{
- afr_inode_ctx_t *ctx = NULL;
- gf_boolean_t witness = _gf_false;
+ afr_inode_ctx_t *ctx = NULL;
+ gf_boolean_t witness = _gf_false;
- LOCK(&inode->lock);
- {
- (void)__afr_inode_ctx_get (this, inode, &ctx);
+ LOCK(&inode->lock);
+ {
+ (void)__afr_inode_ctx_get(this, inode, &ctx);
- if (ctx->witnessed_unstable_write) {
- witness = _gf_true;
- ctx->witnessed_unstable_write = _gf_false;
- }
+ if (ctx->witnessed_unstable_write) {
+ witness = _gf_true;
+ ctx->witnessed_unstable_write = _gf_false;
}
- UNLOCK (&inode->lock);
+ }
+ UNLOCK(&inode->lock);
- return witness;
+ return witness;
}
-
int
-afr_changelog_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *pre,
- struct iatt *post, dict_t *xdata)
+afr_changelog_fsync_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *pre,
+ struct iatt *post, dict_t *xdata)
{
- afr_private_t *priv = NULL;
- int child_index = (long) cookie;
- int call_count = -1;
- afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int child_index = (long)cookie;
+ int call_count = -1;
+ afr_local_t *local = NULL;
- priv = this->private;
- local = frame->local;
+ priv = this->private;
+ local = frame->local;
- if (op_ret != 0) {
- /* Failure of fsync() is as good as failure of previous
- write(). So treat it like one.
- */
- gf_msg (this->name, GF_LOG_WARNING,
- op_errno, AFR_MSG_FSYNC_FAILED,
- "fsync(%s) failed on subvolume %s. Transaction was %s",
- uuid_utoa (local->fd->inode->gfid),
- priv->children[child_index]->name,
- gf_fop_list[local->op]);
+ if (op_ret != 0) {
+ /* Failure of fsync() is as good as failure of previous
+ write(). So treat it like one.
+ */
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, AFR_MSG_FSYNC_FAILED,
+ "fsync(%s) failed on subvolume %s. Transaction was %s",
+ uuid_utoa(local->fd->inode->gfid),
+ priv->children[child_index]->name, gf_fop_list[local->op]);
- afr_transaction_fop_failed (frame, this, child_index);
- }
+ afr_transaction_fop_failed(frame, this, child_index);
+ }
- call_count = afr_frame_return (frame);
+ call_count = afr_frame_return(frame);
- if (call_count == 0)
- afr_changelog_post_op_now (frame, this);
+ if (call_count == 0)
+ afr_changelog_post_op_now(frame, this);
- return 0;
+ return 0;
}
-
int
-afr_changelog_fsync (call_frame_t *frame, xlator_t *this)
+afr_changelog_fsync(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- int i = 0;
- int call_count = 0;
- afr_private_t *priv = NULL;
- dict_t *xdata = NULL;
- GF_UNUSED int ret = -1;
+ afr_local_t *local = NULL;
+ int i = 0;
+ int call_count = 0;
+ afr_private_t *priv = NULL;
+ dict_t *xdata = NULL;
+ GF_UNUSED int ret = -1;
- local = frame->local;
- priv = this->private;
+ local = frame->local;
+ priv = this->private;
- call_count = AFR_COUNT (local->transaction.pre_op, priv->child_count);
+ call_count = AFR_COUNT(local->transaction.pre_op, priv->child_count);
- if (!call_count) {
- /* will go straight to unlock */
- afr_changelog_post_op_now (frame, this);
- return 0;
- }
+ if (!call_count) {
+ /* will go straight to unlock */
+ afr_changelog_post_op_now(frame, this);
+ return 0;
+ }
- local->call_count = call_count;
+ local->call_count = call_count;
- xdata = dict_new();
- if (xdata)
- ret = dict_set_int32 (xdata, "batch-fsync", 1);
+ xdata = dict_new();
+ if (xdata) {
+ ret = dict_set_int32_sizen(xdata, "batch-fsync", 1);
+ ret = dict_set_str(xdata, GLUSTERFS_INTERNAL_FOP_KEY, "yes");
+ }
- for (i = 0; i < priv->child_count; i++) {
- if (!local->transaction.pre_op[i])
- continue;
+ for (i = 0; i < priv->child_count; i++) {
+ if (!local->transaction.pre_op[i])
+ continue;
- STACK_WIND_COOKIE (frame, afr_changelog_fsync_cbk,
- (void *) (long) i, priv->children[i],
- priv->children[i]->fops->fsync, local->fd,
- 1, xdata);
- if (!--call_count)
- break;
- }
+ STACK_WIND_COOKIE(frame, afr_changelog_fsync_cbk, (void *)(long)i,
+ priv->children[i], priv->children[i]->fops->fsync,
+ local->fd, 1, xdata);
+ if (!--call_count)
+ break;
+ }
- if (xdata)
- dict_unref (xdata);
+ if (xdata)
+ dict_unref(xdata);
- return 0;
+ return 0;
}
-
int
-afr_changelog_post_op_safe (call_frame_t *frame, xlator_t *this)
+afr_changelog_post_op_safe(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
- local = frame->local;
- priv = this->private;
-
- if (!local->fd || local->transaction.type != AFR_DATA_TRANSACTION) {
- afr_changelog_post_op_now (frame, this);
- return 0;
- }
+ local = frame->local;
+ priv = this->private;
- if (afr_changelog_pre_op_uninherit (frame, this) &&
- afr_txn_nothing_failed (frame, this)) {
- /* just detected that this post-op is about to
- be optimized away as a new write() has
- already piggybacked on this frame's changelog.
- */
- afr_changelog_post_op_now (frame, this);
- return 0;
- }
+ if (!local->fd || local->transaction.type != AFR_DATA_TRANSACTION) {
+ afr_changelog_post_op_now(frame, this);
+ return 0;
+ }
- /* Calling afr_changelog_post_op_now() now will result in
- issuing ->[f]xattrop().
-
- Performing a hard POST-OP (->[f]xattrop() FOP) is a more
- responsible operation that what it might appear on the surface.
-
- The changelog of a file (in the xattr of the file on the server)
- stores information (pending count) about the state of the file
- on the OTHER server. This changelog is blindly trusted, and must
- therefore be updated in such a way it remains trustworthy. This
- implies that decrementing the pending count (essentially "clearing
- the dirty flag") must be done STRICTLY after we are sure that the
- operation on the other server has reached stable storage.
-
- While the backend filesystem on that server will eventually flush
- it to stable storage, we (being in userspace) have no mechanism
- to get notified when the write became "stable".
-
- This means we need take matter into our own hands and issue an
- fsync() EVEN IF THE APPLICATION WAS PERFORMING UNSTABLE WRITES,
- and get an acknowledgement for it. And we need to wait for the
- fsync() acknowledgement before initiating the hard POST-OP.
-
- However if the FD itself was opened in O_SYNC or O_DSYNC then
- we are already guaranteed that the writes were made stable as
- part of the FOP itself. The same holds true for NFS stable
- writes which happen on an anonymous FD with O_DSYNC or O_SYNC
- flag set in the writev() @flags param. For all other write types,
- mark a flag in the fdctx whenever an unstable write is witnessed.
+ if (afr_changelog_pre_op_uninherit(frame, this) &&
+ afr_txn_nothing_failed(frame, this)) {
+ /* just detected that this post-op is about to
+ be optimized away as a new write() has
+ already piggybacked on this frame's changelog.
*/
+ afr_changelog_post_op_now(frame, this);
+ return 0;
+ }
+
+ /* Calling afr_changelog_post_op_now() now will result in
+ issuing ->[f]xattrop().
+
+ Performing a hard POST-OP (->[f]xattrop() FOP) is a more
+ responsible operation that what it might appear on the surface.
+
+ The changelog of a file (in the xattr of the file on the server)
+ stores information (pending count) about the state of the file
+ on the OTHER server. This changelog is blindly trusted, and must
+ therefore be updated in such a way it remains trustworthy. This
+ implies that decrementing the pending count (essentially "clearing
+ the dirty flag") must be done STRICTLY after we are sure that the
+ operation on the other server has reached stable storage.
+
+ While the backend filesystem on that server will eventually flush
+ it to stable storage, we (being in userspace) have no mechanism
+ to get notified when the write became "stable".
+
+ This means we need take matter into our own hands and issue an
+ fsync() EVEN IF THE APPLICATION WAS PERFORMING UNSTABLE WRITES,
+ and get an acknowledgement for it. And we need to wait for the
+ fsync() acknowledgement before initiating the hard POST-OP.
+
+ However if the FD itself was opened in O_SYNC or O_DSYNC then
+ we are already guaranteed that the writes were made stable as
+ part of the FOP itself. The same holds true for NFS stable
+ writes which happen on an anonymous FD with O_DSYNC or O_SYNC
+ flag set in the writev() @flags param. For all other write types,
+ mark a flag in the fdctx whenever an unstable write is witnessed.
+ */
+
+ if (!afr_fd_has_witnessed_unstable_write(this, local->inode)) {
+ afr_changelog_post_op_now(frame, this);
+ return 0;
+ }
- if (!afr_fd_has_witnessed_unstable_write (this, local->inode)) {
- afr_changelog_post_op_now (frame, this);
- return 0;
- }
-
- /* Check whether users want durability and perform fsync/post-op
- * accordingly.
- */
- if (priv->ensure_durability) {
- /* Time to fsync() */
- afr_changelog_fsync (frame, this);
- } else {
- afr_changelog_post_op_now (frame, this);
- }
+ /* Check whether users want durability and perform fsync/post-op
+ * accordingly.
+ */
+ if (priv->ensure_durability) {
+ /* Time to fsync() */
+ afr_changelog_fsync(frame, this);
+ } else {
+ afr_changelog_post_op_now(frame, this);
+ }
- return 0;
+ return 0;
}
void
-afr_changelog_post_op (call_frame_t *frame, xlator_t *this)
-{
- struct timespec delta = {0, };
- afr_private_t *priv = NULL;
- afr_local_t *local = frame->local;
- afr_lock_t *lock = NULL;
- gf_boolean_t post_op = _gf_true;
- struct list_head shared;
-
- priv = this->private;
- delta.tv_sec = priv->post_op_delay_secs;
- delta.tv_nsec = 0;
-
- INIT_LIST_HEAD (&shared);
- if (!local->transaction.eager_lock_on)
- goto out;
-
- lock = &local->inode_ctx->lock[local->transaction.type];
- LOCK (&local->inode->lock);
- {
- list_del_init (&local->transaction.owner_list);
- list_add (&local->transaction.owner_list, &lock->post_op);
- __afr_transaction_wake_shared (local, &shared);
-
- if (!afr_is_delayed_changelog_post_op_needed (frame, this,
- delta.tv_sec)) {
- if (list_empty (&lock->owners))
- lock->release = _gf_true;
- goto unlock;
- }
-
- GF_ASSERT (lock->delay_timer == NULL);
- lock->delay_timer = gf_timer_call_after (this->ctx, delta,
- afr_delayed_changelog_wake_up_cbk,
- local);
- if (!lock->delay_timer) {
- lock->release = _gf_true;
- } else {
- post_op = _gf_false;
- }
+afr_changelog_post_op(call_frame_t *frame, xlator_t *this)
+{
+ struct timespec delta = {
+ 0,
+ };
+ afr_private_t *priv = NULL;
+ afr_local_t *local = frame->local;
+ afr_lock_t *lock = NULL;
+ gf_boolean_t post_op = _gf_true;
+ struct list_head shared;
+
+ priv = this->private;
+ delta.tv_sec = priv->post_op_delay_secs;
+ delta.tv_nsec = 0;
+
+ INIT_LIST_HEAD(&shared);
+ if (!local->transaction.eager_lock_on)
+ goto out;
+
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ LOCK(&local->inode->lock);
+ {
+ list_del_init(&local->transaction.owner_list);
+ list_add(&local->transaction.owner_list, &lock->post_op);
+ __afr_transaction_wake_shared(local, &shared);
+
+ if (!afr_is_delayed_changelog_post_op_needed(frame, this,
+ delta.tv_sec)) {
+ if (list_empty(&lock->owners))
+ lock->release = _gf_true;
+ goto unlock;
+ }
- }
+ GF_ASSERT(lock->delay_timer == NULL);
+ lock->delay_timer = gf_timer_call_after(
+ this->ctx, delta, afr_delayed_changelog_wake_up_cbk, local);
+ if (!lock->delay_timer) {
+ lock->release = _gf_true;
+ } else {
+ post_op = _gf_false;
+ }
+ }
unlock:
- UNLOCK (&local->inode->lock);
+ UNLOCK(&local->inode->lock);
- if (!list_empty (&shared)) {
- afr_lock_resume_shared (&shared);
- }
+ if (!list_empty(&shared)) {
+ afr_lock_resume_shared(&shared);
+ }
out:
- if (post_op) {
- if (!local->transaction.eager_lock_on || lock->release) {
- afr_changelog_post_op_safe (frame, this);
- } else {
- afr_changelog_post_op_now (frame, this);
- }
+ if (post_op) {
+ if (!local->transaction.eager_lock_on || lock->release) {
+ afr_changelog_post_op_safe(frame, this);
+ } else {
+ afr_changelog_post_op_now(frame, this);
}
+ }
}
int
-afr_transaction_resume (call_frame_t *frame, xlator_t *this)
+afr_transaction_resume(call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- afr_restore_lk_owner (frame);
+ afr_restore_lk_owner(frame);
- afr_handle_symmetric_errors (frame, this);
+ afr_handle_symmetric_errors(frame, this);
- if (!local->pre_op_compat)
- /* new mode, pre-op was done along
- with OP */
- afr_changelog_pre_op_update (frame, this);
+ if (!local->pre_op_compat)
+ /* new mode, pre-op was done along
+ with OP */
+ afr_changelog_pre_op_update(frame, this);
- afr_changelog_post_op (frame, this);
+ afr_changelog_post_op(frame, this);
- return 0;
+ return 0;
}
-
/**
* afr_transaction_fop_failed - inform that an fop failed
*/
void
-afr_transaction_fop_failed (call_frame_t *frame, xlator_t *this,
- int child_index)
+afr_transaction_fop_failed(call_frame_t *frame, xlator_t *this, int child_index)
{
- afr_local_t * local = NULL;
+ afr_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- local->transaction.failed_subvols[child_index] = 1;
+ local->transaction.failed_subvols[child_index] = 1;
}
static gf_boolean_t
-__need_previous_lock_unlocked (afr_local_t *local)
+__need_previous_lock_unlocked(afr_local_t *local)
{
- afr_lock_t *lock = NULL;
-
- if (!local->transaction.eager_lock_on)
- return _gf_true;
+ afr_lock_t *lock = NULL;
- lock = &local->inode_ctx->lock[local->transaction.type];
- if (!lock->acquired)
- return _gf_false;
- if (lock->acquired && lock->event_generation != local->event_generation)
- return _gf_true;
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ if (!lock->acquired)
return _gf_false;
+ if (lock->acquired && lock->event_generation != local->event_generation)
+ return _gf_true;
+ return _gf_false;
}
void
-__afr_eager_lock_handle (afr_local_t *local, gf_boolean_t *take_lock,
- gf_boolean_t *do_pre_op, afr_local_t **timer_local)
-{
- afr_lock_t *lock = NULL;
- afr_local_t *owner_local = NULL;
- xlator_t *this = local->transaction.frame->this;
-
- if (local->fd && !afr_are_multiple_fds_opened (local, this)) {
- local->transaction.eager_lock_on = _gf_true;
- afr_set_lk_owner (local->transaction.frame, this, local->inode);
- }
-
- lock = &local->inode_ctx->lock[local->transaction.type];
- if (__need_previous_lock_unlocked (local)) {
- if (!list_empty (&lock->owners)) {
- lock->release = _gf_true;
- } else if (lock->delay_timer) {
- lock->release = _gf_true;
- if (gf_timer_call_cancel (this->ctx,
- lock->delay_timer)) {
- /* It will be put in frozen list
- * in the code flow below*/
- } else {
- *timer_local = list_entry(lock->post_op.next,
- afr_local_t,
- transaction.owner_list);
- lock->delay_timer = NULL;
- }
- }
- if (!local->transaction.eager_lock_on)
- goto out;
- }
-
- if (lock->release) {
- list_add_tail (&local->transaction.wait_list,
- &lock->frozen);
- *take_lock = _gf_false;
- goto out;
- }
-
- if (lock->delay_timer) {
- *take_lock = _gf_false;
- if (gf_timer_call_cancel (this->ctx,
- lock->delay_timer)) {
- list_add_tail (&local->transaction.wait_list,
- &lock->frozen);
- } else {
- *timer_local = list_entry(lock->post_op.next,
- afr_local_t,
- transaction.owner_list);
- afr_copy_inodelk_vars (&local->internal_lock,
- &(*timer_local)->internal_lock,
- this);
- lock->delay_timer = NULL;
- *do_pre_op = _gf_true;
- list_add_tail (&local->transaction.owner_list,
- &lock->owners);
- }
- goto out;
- }
-
- if (!list_empty (&lock->owners)) {
- if (!lock->acquired ||
- afr_has_lock_conflict (local, _gf_true)) {
- list_add_tail (&local->transaction.wait_list,
- &lock->waiting);
- *take_lock = _gf_false;
- goto out;
- }
- owner_local = list_entry (lock->owners.next,
- afr_local_t,
+__afr_eager_lock_handle(afr_local_t *local, gf_boolean_t *take_lock,
+ gf_boolean_t *do_pre_op, afr_local_t **timer_local)
+{
+ afr_lock_t *lock = NULL;
+ afr_local_t *owner_local = NULL;
+ xlator_t *this = local->transaction.frame->this;
+
+ local->transaction.eager_lock_on = _gf_true;
+ afr_set_lk_owner(local->transaction.frame, this, local->inode);
+
+ lock = &local->inode_ctx->lock[local->transaction.type];
+ if (__need_previous_lock_unlocked(local)) {
+ if (!list_empty(&lock->owners)) {
+ lock->release = _gf_true;
+ } else if (lock->delay_timer) {
+ lock->release = _gf_true;
+ if (gf_timer_call_cancel(this->ctx, lock->delay_timer)) {
+ /* It will be put in frozen list
+ * in the code flow below*/
+ } else {
+ *timer_local = list_entry(lock->post_op.next, afr_local_t,
transaction.owner_list);
- afr_copy_inodelk_vars (&local->internal_lock,
- &owner_local->internal_lock,
- this);
- *take_lock = _gf_false;
- *do_pre_op = _gf_true;
+ lock->delay_timer = NULL;
+ }
}
+ }
+
+ if (lock->release) {
+ list_add_tail(&local->transaction.wait_list, &lock->frozen);
+ *take_lock = _gf_false;
+ goto out;
+ }
- if (lock->acquired)
- GF_ASSERT (!(*take_lock));
- list_add_tail (&local->transaction.owner_list, &lock->owners);
+ if (lock->delay_timer) {
+ *take_lock = _gf_false;
+ if (gf_timer_call_cancel(this->ctx, lock->delay_timer)) {
+ list_add_tail(&local->transaction.wait_list, &lock->frozen);
+ } else {
+ *timer_local = list_entry(lock->post_op.next, afr_local_t,
+ transaction.owner_list);
+ afr_copy_inodelk_vars(&local->internal_lock,
+ &(*timer_local)->internal_lock, this, 0);
+ lock->delay_timer = NULL;
+ *do_pre_op = _gf_true;
+ list_add_tail(&local->transaction.owner_list, &lock->owners);
+ }
+ goto out;
+ }
+
+ if (!list_empty(&lock->owners)) {
+ if (!lock->acquired || afr_has_lock_conflict(local, _gf_true)) {
+ list_add_tail(&local->transaction.wait_list, &lock->waiting);
+ *take_lock = _gf_false;
+ goto out;
+ }
+ owner_local = list_entry(lock->owners.next, afr_local_t,
+ transaction.owner_list);
+ afr_copy_inodelk_vars(&local->internal_lock,
+ &owner_local->internal_lock, this, 0);
+ *take_lock = _gf_false;
+ *do_pre_op = _gf_true;
+ }
+
+ if (lock->acquired)
+ GF_ASSERT(!(*take_lock));
+ list_add_tail(&local->transaction.owner_list, &lock->owners);
out:
- return;
+ return;
}
void
-afr_transaction_start (afr_local_t *local, xlator_t *this)
+afr_transaction_start(afr_local_t *local, xlator_t *this)
{
- afr_private_t *priv = NULL;
- gf_boolean_t take_lock = _gf_true;
- gf_boolean_t do_pre_op = _gf_false;
- afr_local_t *timer_local = NULL;
+ afr_private_t *priv = NULL;
+ gf_boolean_t take_lock = _gf_true;
+ gf_boolean_t do_pre_op = _gf_false;
+ afr_local_t *timer_local = NULL;
- priv = this->private;
+ priv = this->private;
- if (local->transaction.type != AFR_DATA_TRANSACTION &&
- local->transaction.type != AFR_METADATA_TRANSACTION)
- goto lock_phase;
+ if (local->transaction.type != AFR_DATA_TRANSACTION &&
+ local->transaction.type != AFR_METADATA_TRANSACTION)
+ goto lock_phase;
- if (!priv->eager_lock)
- goto lock_phase;
+ if (!priv->eager_lock)
+ goto lock_phase;
- LOCK (&local->inode->lock);
- {
- __afr_eager_lock_handle (local, &take_lock, &do_pre_op,
- &timer_local);
- }
- UNLOCK (&local->inode->lock);
+ LOCK(&local->inode->lock);
+ {
+ __afr_eager_lock_handle(local, &take_lock, &do_pre_op, &timer_local);
+ }
+ UNLOCK(&local->inode->lock);
lock_phase:
- if (!local->transaction.eager_lock_on) {
- afr_set_lk_owner (local->transaction.frame, this,
- local->transaction.frame->root);
- }
-
-
- if (take_lock) {
- afr_lock (local->transaction.frame, this);
- } else if (do_pre_op) {
- afr_changelog_pre_op (local->transaction.frame, this);
- }
- /*Always call delayed_changelog_wake_up_cbk after calling pre-op above
- * so that any inheriting can happen*/
- if (timer_local)
- afr_delayed_changelog_wake_up_cbk (timer_local);
+ if (!local->transaction.eager_lock_on) {
+ afr_set_lk_owner(local->transaction.frame, this,
+ local->transaction.frame->root);
+ }
+
+ if (take_lock) {
+ afr_lock(local->transaction.frame, this);
+ } else if (do_pre_op) {
+ afr_changelog_pre_op(local->transaction.frame, this);
+ }
+ /*Always call delayed_changelog_wake_up_cbk after calling pre-op above
+ * so that any inheriting can happen*/
+ if (timer_local)
+ afr_delayed_changelog_wake_up_cbk(timer_local);
}
int
-afr_write_txn_refresh_done (call_frame_t *frame, xlator_t *this, int err)
+afr_write_txn_refresh_done(call_frame_t *frame, xlator_t *this, int err)
{
- afr_local_t *local = frame->local;
+ afr_local_t *local = frame->local;
- if (err) {
- AFR_SET_ERROR_AND_CHECK_SPLIT_BRAIN(-1, err);
- goto fail;
- }
+ if (err) {
+ AFR_SET_ERROR_AND_CHECK_SPLIT_BRAIN(-1, err);
+ goto fail;
+ }
- afr_transaction_start (local, this);
- return 0;
+ afr_transaction_start(local, this);
+ return 0;
fail:
- local->transaction.unwind (frame, this);
- AFR_STACK_DESTROY (frame);
- return 0;
+ local->transaction.unwind(frame, this);
+ AFR_STACK_DESTROY(frame);
+ return 0;
}
int
-afr_transaction (call_frame_t *frame, xlator_t *this, afr_transaction_type type)
+afr_transaction_lockee_init(call_frame_t *frame)
{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int ret = -1;
- int event_generation = 0;
+ afr_local_t *local = frame->local;
+ afr_internal_lock_t *int_lock = &local->internal_lock;
+ afr_private_t *priv = frame->this->private;
+ int ret = 0;
- local = frame->local;
- priv = this->private;
- local->transaction.frame = frame;
-
- local->transaction.type = type;
-
- if (priv->quorum_count && !afr_has_quorum (local->child_up, this)) {
- ret = -afr_quorum_errno(priv);
- goto out;
- }
-
- if (!afr_is_consistent_io_possible (local, priv, &ret)) {
- ret = -ret; /*op_errno to ret conversion*/
- goto out;
- }
+ switch (local->transaction.type) {
+ case AFR_DATA_TRANSACTION:
+ case AFR_METADATA_TRANSACTION:
+ ret = afr_add_inode_lockee(local, priv->child_count);
+ break;
- ret = afr_transaction_local_init (local, this);
- if (ret < 0)
+ case AFR_ENTRY_TRANSACTION:
+ case AFR_ENTRY_RENAME_TRANSACTION:
+ ret = afr_add_entry_lockee(local, &local->transaction.parent_loc,
+ local->transaction.basename,
+ priv->child_count);
+ if (ret) {
goto out;
+ }
+ if (local->op == GF_FOP_RENAME) {
+ ret = afr_add_entry_lockee(
+ local, &local->transaction.new_parent_loc,
+ local->transaction.new_basename, priv->child_count);
+ if (ret) {
+ goto out;
+ }
+ if (local->newloc.inode &&
+ IA_ISDIR(local->newloc.inode->ia_type)) {
+ ret = afr_add_entry_lockee(local, &local->newloc, NULL,
+ priv->child_count);
+ if (ret) {
+ goto out;
+ }
+ }
+ } else if (local->op == GF_FOP_RMDIR) {
+ ret = afr_add_entry_lockee(local, &local->loc, NULL,
+ priv->child_count);
+ if (ret) {
+ goto out;
+ }
+ }
+
+ if (int_lock->lockee_count > 1) {
+ qsort(int_lock->lockee, int_lock->lockee_count,
+ sizeof(*int_lock->lockee), afr_entry_lockee_cmp);
+ }
+ break;
+ }
+out:
+ return ret;
+}
- if (type != AFR_METADATA_TRANSACTION) {
- goto txn_start;
- }
-
- ret = afr_inode_get_readable (frame, local->inode, this,
- local->readable, &event_generation, type);
- if (ret < 0 || afr_is_inode_refresh_reqd (local->inode, this,
- priv->event_generation,
- event_generation)) {
- afr_inode_refresh (frame, this, local->inode, local->loc.gfid,
- afr_write_txn_refresh_done);
- ret = 0;
- goto out;
- }
+int
+afr_transaction(call_frame_t *frame, xlator_t *this, afr_transaction_type type)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ int ret = -1;
+ int event_generation = 0;
+
+ local = frame->local;
+ priv = this->private;
+ local->transaction.frame = frame;
+
+ local->transaction.type = type;
+
+ if (priv->quorum_count && !afr_has_quorum(local->child_up, this, NULL)) {
+ ret = -afr_quorum_errno(priv);
+ goto out;
+ }
+
+ if (!afr_is_consistent_io_possible(local, priv, &ret)) {
+ ret = -ret; /*op_errno to ret conversion*/
+ goto out;
+ }
+
+ if (priv->thin_arbiter_count && !afr_ta_has_quorum(priv, local)) {
+ ret = -afr_quorum_errno(priv);
+ goto out;
+ }
+
+ ret = afr_transaction_local_init(local, this);
+ if (ret < 0)
+ goto out;
+
+ ret = afr_transaction_lockee_init(frame);
+ if (ret)
+ goto out;
+
+ if (type != AFR_METADATA_TRANSACTION) {
+ goto txn_start;
+ }
+
+ ret = afr_inode_get_readable(frame, local->inode, this, local->readable,
+ &event_generation, type);
+ if (ret < 0 ||
+ afr_is_inode_refresh_reqd(local->inode, this, priv->event_generation,
+ event_generation)) {
+ afr_inode_refresh(frame, this, local->inode, local->loc.gfid,
+ afr_write_txn_refresh_done);
+ ret = 0;
+ goto out;
+ }
txn_start:
- ret = 0;
- afr_transaction_start (local, this);
+ ret = 0;
+ afr_transaction_start(local, this);
out:
- return ret;
+ return ret;
}
diff --git a/xlators/cluster/afr/src/afr-transaction.h b/xlators/cluster/afr/src/afr-transaction.h
index 629f6dd557c..beefa26f4a6 100644
--- a/xlators/cluster/afr/src/afr-transaction.h
+++ b/xlators/cluster/afr/src/afr-transaction.h
@@ -14,53 +14,62 @@
#include "afr.h"
void
-afr_transaction_fop_failed (call_frame_t *frame, xlator_t *this,
- int child_index);
+afr_transaction_fop_failed(call_frame_t *frame, xlator_t *this,
+ int child_index);
int32_t
-afr_transaction (call_frame_t *frame, xlator_t *this, afr_transaction_type type);
+afr_transaction(call_frame_t *frame, xlator_t *this, afr_transaction_type type);
int
-afr_set_pending_dict (afr_private_t *priv, dict_t *xattr, int32_t **pending);
+afr_set_pending_dict(afr_private_t *priv, dict_t *xattr, int32_t **pending);
void
-afr_delayed_changelog_wake_up (xlator_t *this, fd_t *fd);
+afr_delayed_changelog_wake_up(xlator_t *this, fd_t *fd);
void
-__mark_all_success (call_frame_t *frame, xlator_t *this);
+__mark_all_success(call_frame_t *frame, xlator_t *this);
gf_boolean_t
-afr_txn_nothing_failed (call_frame_t *frame, xlator_t *this);
+afr_txn_nothing_failed(call_frame_t *frame, xlator_t *this);
-int afr_read_txn (call_frame_t *frame, xlator_t *this, inode_t *inode,
- afr_read_txn_wind_t readfn, afr_transaction_type type);
+int
+afr_read_txn(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ afr_read_txn_wind_t readfn, afr_transaction_type type);
-int afr_read_txn_continue (call_frame_t *frame, xlator_t *this, int subvol);
+int
+afr_read_txn_continue(call_frame_t *frame, xlator_t *this, int subvol);
void
-afr_pending_read_increment (afr_private_t *priv, int child_index);
+afr_pending_read_increment(afr_private_t *priv, int child_index);
void
-afr_pending_read_decrement (afr_private_t *priv, int child_index);
+afr_pending_read_decrement(afr_private_t *priv, int child_index);
-call_frame_t *afr_transaction_detach_fop_frame (call_frame_t *frame);
-gf_boolean_t afr_has_quorum (unsigned char *subvols, xlator_t *this);
-gf_boolean_t afr_needs_changelog_update (afr_local_t *local);
-void afr_zero_fill_stat (afr_local_t *local);
+call_frame_t *
+afr_transaction_detach_fop_frame(call_frame_t *frame);
+gf_boolean_t
+afr_has_quorum(unsigned char *subvols, xlator_t *this, call_frame_t *frame);
+gf_boolean_t
+afr_needs_changelog_update(afr_local_t *local);
+void
+afr_zero_fill_stat(afr_local_t *local);
void
-afr_pick_error_xdata (afr_local_t *local, afr_private_t *priv,
- inode_t *inode1, unsigned char *readable1,
- inode_t *inode2, unsigned char *readable2);
+afr_pick_error_xdata(afr_local_t *local, afr_private_t *priv, inode_t *inode1,
+ unsigned char *readable1, inode_t *inode2,
+ unsigned char *readable2);
int
-afr_transaction_resume (call_frame_t *frame, xlator_t *this);
+afr_transaction_resume(call_frame_t *frame, xlator_t *this);
int
-afr_lock (call_frame_t *frame, xlator_t *this);
+afr_lock(call_frame_t *frame, xlator_t *this);
void
-afr_delayed_changelog_wake_up_cbk (void *data);
+afr_delayed_changelog_wake_up_cbk(void *data);
+
+int
+afr_release_notify_lock_for_ta(void *opaque);
int
-afr_fill_ta_loc (xlator_t *this, loc_t *loc);
+afr_ta_lock_release_done(int ret, call_frame_t *ta_frame, void *opaque);
#endif /* __TRANSACTION_H__ */
diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c
index 0e86e33d03b..df7366f0a65 100644
--- a/xlators/cluster/afr/src/afr.c
+++ b/xlators/cluster/afr/src/afr.c
@@ -21,1194 +21,1324 @@
struct volume_options options[];
static char *afr_favorite_child_policies[AFR_FAV_CHILD_POLICY_MAX + 1] = {
- [AFR_FAV_CHILD_NONE] = "none",
- [AFR_FAV_CHILD_BY_SIZE] = "size",
- [AFR_FAV_CHILD_BY_CTIME] = "ctime",
- [AFR_FAV_CHILD_BY_MTIME] = "mtime",
- [AFR_FAV_CHILD_BY_MAJORITY] = "majority",
- [AFR_FAV_CHILD_POLICY_MAX] = NULL,
+ [AFR_FAV_CHILD_NONE] = "none",
+ [AFR_FAV_CHILD_BY_SIZE] = "size",
+ [AFR_FAV_CHILD_BY_CTIME] = "ctime",
+ [AFR_FAV_CHILD_BY_MTIME] = "mtime",
+ [AFR_FAV_CHILD_BY_MAJORITY] = "majority",
+ [AFR_FAV_CHILD_POLICY_MAX] = NULL,
};
int32_t
-notify (xlator_t *this, int32_t event,
- void *data, ...)
+notify(xlator_t *this, int32_t event, void *data, ...)
{
- int ret = -1;
- va_list ap;
- void *data2 = NULL;
+ int ret = -1;
+ va_list ap;
+ void *data2 = NULL;
- va_start (ap, data);
- data2 = va_arg (ap, dict_t*);
- va_end (ap);
- ret = afr_notify (this, event, data, data2);
+ va_start(ap, data);
+ data2 = va_arg(ap, dict_t *);
+ va_end(ap);
+ ret = afr_notify(this, event, data, data2);
- return ret;
+ return ret;
}
int32_t
-mem_acct_init (xlator_t *this)
+mem_acct_init(xlator_t *this)
{
- int ret = -1;
-
- if (!this)
- return ret;
+ int ret = -1;
- ret = xlator_mem_acct_init (this, gf_afr_mt_end + 1);
+ if (!this)
+ return ret;
- if (ret != 0) {
- return ret;
- }
+ ret = xlator_mem_acct_init(this, gf_afr_mt_end + 1);
+ if (ret != 0) {
return ret;
-}
+ }
+ return ret;
+}
int
-xlator_subvolume_index (xlator_t *this, xlator_t *subvol)
+xlator_subvolume_index(xlator_t *this, xlator_t *subvol)
{
- int index = -1;
- int i = 0;
- xlator_list_t *list = NULL;
-
- list = this->children;
-
- while (list) {
- if (subvol == list->xlator ||
- strcmp (subvol->name, list->xlator->name) == 0) {
- index = i;
- break;
- }
- list = list->next;
- i++;
+ int index = -1;
+ int i = 0;
+ xlator_list_t *list = NULL;
+
+ list = this->children;
+
+ while (list) {
+ if (subvol == list->xlator ||
+ strcmp(subvol->name, list->xlator->name) == 0) {
+ index = i;
+ break;
}
+ list = list->next;
+ i++;
+ }
- return index;
+ return index;
}
static void
-fix_quorum_options (xlator_t *this, afr_private_t *priv, char *qtype,
- dict_t *options)
+fix_quorum_options(xlator_t *this, afr_private_t *priv, char *qtype,
+ dict_t *options)
{
-
- if (dict_get (options, "quorum-type") == NULL) {
- /* If user doesn't configure anything enable auto-quorum if the
- * replica has more than two subvolumes */
- if (priv->child_count > 2)
- qtype = "auto";
- }
-
- if (priv->quorum_count && strcmp (qtype, "fixed")) {
- gf_msg (this->name,GF_LOG_WARNING, 0, AFR_MSG_QUORUM_OVERRIDE,
- "quorum-type %s overriding quorum-count %u",
- qtype, priv->quorum_count);
- }
-
- if (!strcmp (qtype, "none")) {
- priv->quorum_count = 0;
- } else if (!strcmp (qtype, "auto")) {
- priv->quorum_count = AFR_QUORUM_AUTO;
- }
-
+ if (dict_get_sizen(options, "quorum-type") == NULL) {
+ /* If user doesn't configure anything enable auto-quorum if the
+ * replica has more than two subvolumes */
+ if (priv->child_count > 2)
+ qtype = "auto";
+ }
+
+ if (priv->quorum_count && strcmp(qtype, "fixed")) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_QUORUM_OVERRIDE,
+ "quorum-type %s overriding quorum-count %u", qtype,
+ priv->quorum_count);
+ }
+
+ if (!strcmp(qtype, "none")) {
+ priv->quorum_count = 0;
+ } else if (!strcmp(qtype, "auto")) {
+ priv->quorum_count = AFR_QUORUM_AUTO;
+ }
}
int
-afr_set_favorite_child_policy (afr_private_t *priv, char *policy)
+afr_set_favorite_child_policy(afr_private_t *priv, char *policy)
{
- int index = -1;
+ int index = -1;
- index = gf_get_index_by_elem (afr_favorite_child_policies, policy);
- if (index < 0 || index >= AFR_FAV_CHILD_POLICY_MAX)
- return -1;
+ index = gf_get_index_by_elem(afr_favorite_child_policies, policy);
+ if (index < 0 || index >= AFR_FAV_CHILD_POLICY_MAX)
+ return -1;
- priv->fav_child_policy = index;
+ priv->fav_child_policy = index;
- return 0;
+ return 0;
}
-int
-reconfigure (xlator_t *this, dict_t *options)
-{
- afr_private_t *priv = NULL;
- xlator_t *read_subvol = NULL;
- int read_subvol_index = -1;
- int ret = -1;
- int index = -1;
- char *qtype = NULL;
- char *fav_child_policy = NULL;
- gf_boolean_t consistent_io = _gf_false;
- gf_boolean_t choose_local_old = _gf_false;
- priv = this->private;
+static void
+set_data_self_heal_algorithm(afr_private_t *priv, char *algo)
+{
+ if (!algo) {
+ priv->data_self_heal_algorithm = AFR_SELFHEAL_DATA_DYNAMIC;
+ } else if (strcmp(algo, "full") == 0) {
+ priv->data_self_heal_algorithm = AFR_SELFHEAL_DATA_FULL;
+ } else if (strcmp(algo, "diff") == 0) {
+ priv->data_self_heal_algorithm = AFR_SELFHEAL_DATA_DIFF;
+ } else {
+ priv->data_self_heal_algorithm = AFR_SELFHEAL_DATA_DYNAMIC;
+ }
+}
- GF_OPTION_RECONF ("afr-dirty-xattr",
- priv->afr_dirty, options, str,
- out);
+void
+afr_handle_anon_inode_options(afr_private_t *priv, dict_t *options)
+{
+ char *volfile_id_str = NULL;
+ uuid_t anon_inode_gfid = {0};
+
+ /*If volume id is not present don't enable anything*/
+ if (dict_get_str(options, "volume-id", &volfile_id_str))
+ return;
+ GF_ASSERT(strlen(AFR_ANON_DIR_PREFIX) + strlen(volfile_id_str) <= NAME_MAX);
+ /*anon_inode_name is not supposed to change once assigned*/
+ if (!priv->anon_inode_name[0]) {
+ snprintf(priv->anon_inode_name, sizeof(priv->anon_inode_name), "%s-%s",
+ AFR_ANON_DIR_PREFIX, volfile_id_str);
+ gf_uuid_parse(volfile_id_str, anon_inode_gfid);
+ /*Flip a bit to make sure volfile-id and anon-gfid are not same*/
+ anon_inode_gfid[0] ^= 1;
+ uuid_utoa_r(anon_inode_gfid, priv->anon_gfid_str);
+ }
+}
- GF_OPTION_RECONF ("metadata-splitbrain-forced-heal",
- priv->metadata_splitbrain_forced_heal, options, bool,
- out);
+int
+reconfigure(xlator_t *this, dict_t *options)
+{
+ afr_private_t *priv = NULL;
+ xlator_t *read_subvol = NULL;
+ int read_subvol_index = -1;
+ int timeout_old = 0;
+ int ret = -1;
+ int index = -1;
+ char *qtype = NULL;
+ char *fav_child_policy = NULL;
+ char *data_self_heal = NULL;
+ char *data_self_heal_algorithm = NULL;
+ char *locking_scheme = NULL;
+ gf_boolean_t consistent_io = _gf_false;
+ gf_boolean_t choose_local_old = _gf_false;
+ gf_boolean_t enabled_old = _gf_false;
- GF_OPTION_RECONF ("background-self-heal-count",
- priv->background_self_heal_count, options, uint32,
- out);
+ priv = this->private;
- GF_OPTION_RECONF ("heal-wait-queue-length",
- priv->heal_wait_qlen, options, uint32, out);
+ GF_OPTION_RECONF("metadata-splitbrain-forced-heal",
+ priv->metadata_splitbrain_forced_heal, options, bool, out);
+ GF_OPTION_RECONF("background-self-heal-count",
+ priv->background_self_heal_count, options, uint32, out);
- GF_OPTION_RECONF ("metadata-self-heal",
- priv->metadata_self_heal, options, bool, out);
+ GF_OPTION_RECONF("heal-wait-queue-length", priv->heal_wait_qlen, options,
+ uint32, out);
- GF_OPTION_RECONF ("data-self-heal", priv->data_self_heal, options, str,
- out);
+ GF_OPTION_RECONF("metadata-self-heal", priv->metadata_self_heal, options,
+ bool, out);
- GF_OPTION_RECONF ("entry-self-heal", priv->entry_self_heal, options,
- bool, out);
+ GF_OPTION_RECONF("data-self-heal", data_self_heal, options, str, out);
+ if (gf_string2boolean(data_self_heal, &priv->data_self_heal) == -1)
+ goto out;
- GF_OPTION_RECONF ("data-self-heal-window-size",
- priv->data_self_heal_window_size, options,
- uint32, out);
+ GF_OPTION_RECONF("entry-self-heal", priv->entry_self_heal, options, bool,
+ out);
- GF_OPTION_RECONF ("data-self-heal-algorithm",
- priv->data_self_heal_algorithm, options, str, out);
+ GF_OPTION_RECONF("data-self-heal-window-size",
+ priv->data_self_heal_window_size, options, uint32, out);
- GF_OPTION_RECONF ("halo-enabled",
- priv->halo_enabled, options, bool,
- out);
+ GF_OPTION_RECONF("data-self-heal-algorithm", data_self_heal_algorithm,
+ options, str, out);
+ set_data_self_heal_algorithm(priv, data_self_heal_algorithm);
- GF_OPTION_RECONF ("halo-shd-max-latency",
- priv->shd.halo_max_latency_msec, options, uint32,
- out);
+ GF_OPTION_RECONF("halo-enabled", priv->halo_enabled, options, bool, out);
- GF_OPTION_RECONF ("halo-nfsd-max-latency",
- priv->nfsd.halo_max_latency_msec, options, uint32,
- out);
+ GF_OPTION_RECONF("halo-shd-max-latency", priv->shd.halo_max_latency_msec,
+ options, uint32, out);
- GF_OPTION_RECONF ("halo-max-latency", priv->halo_max_latency_msec,
- options, uint32, out);
+ GF_OPTION_RECONF("halo-nfsd-max-latency", priv->nfsd.halo_max_latency_msec,
+ options, uint32, out);
- GF_OPTION_RECONF ("halo-max-replicas", priv->halo_max_replicas, options,
- uint32, out);
+ GF_OPTION_RECONF("halo-max-latency", priv->halo_max_latency_msec, options,
+ uint32, out);
- GF_OPTION_RECONF ("halo-min-replicas", priv->halo_min_replicas, options,
- uint32, out);
+ GF_OPTION_RECONF("halo-max-replicas", priv->halo_max_replicas, options,
+ uint32, out);
- GF_OPTION_RECONF ("read-subvolume", read_subvol, options, xlator, out);
+ GF_OPTION_RECONF("halo-min-replicas", priv->halo_min_replicas, options,
+ uint32, out);
- choose_local_old = priv->choose_local;
- GF_OPTION_RECONF ("choose-local", priv->choose_local, options, bool,
- out);
+ GF_OPTION_RECONF("read-subvolume", read_subvol, options, xlator, out);
- if (choose_local_old != priv->choose_local) {
- priv->read_child = -1;
- if (choose_local_old == _gf_false)
- priv->did_discovery = _gf_false;
- }
+ choose_local_old = priv->choose_local;
+ GF_OPTION_RECONF("choose-local", priv->choose_local, options, bool, out);
- GF_OPTION_RECONF ("read-hash-mode", priv->hash_mode,
- options, uint32, out);
-
- if (read_subvol) {
- index = xlator_subvolume_index (this, read_subvol);
- if (index == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_SUBVOL, "%s not a subvolume",
- read_subvol->name);
- goto out;
- }
- priv->read_child = index;
+ if (choose_local_old != priv->choose_local) {
+ priv->read_child = -1;
+ if (choose_local_old == _gf_false)
+ priv->did_discovery = _gf_false;
+ }
+
+ GF_OPTION_RECONF("read-hash-mode", priv->hash_mode, options, uint32, out);
+
+ if (read_subvol) {
+ index = xlator_subvolume_index(this, read_subvol);
+ if (index == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_SUBVOL,
+ "%s not a subvolume", read_subvol->name);
+ goto out;
}
-
- GF_OPTION_RECONF ("read-subvolume-index",read_subvol_index, options,int32,out);
-
- if (read_subvol_index >-1) {
- index=read_subvol_index;
- if (index >= priv->child_count) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_SUBVOL,
- "%d not a subvolume-index", index);
- goto out;
- }
- priv->read_child = index;
+ priv->read_child = index;
+ }
+
+ GF_OPTION_RECONF("read-subvolume-index", read_subvol_index, options, int32,
+ out);
+
+ if (read_subvol_index > -1) {
+ index = read_subvol_index;
+ if (index >= priv->child_count) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_SUBVOL,
+ "%d not a subvolume-index", index);
+ goto out;
}
-
- GF_OPTION_RECONF ("pre-op-compat", priv->pre_op_compat, options, bool,
- out);
- GF_OPTION_RECONF ("locking-scheme", priv->locking_scheme, options, str,
- out);
- GF_OPTION_RECONF ("full-lock", priv->full_lock, options, bool, out);
- GF_OPTION_RECONF ("granular-entry-heal", priv->esh_granular, options,
- bool, out);
-
- GF_OPTION_RECONF ("eager-lock", priv->eager_lock, options, bool, out);
- GF_OPTION_RECONF ("quorum-type", qtype, options, str, out);
- GF_OPTION_RECONF ("quorum-count", priv->quorum_count, options,
- uint32, out);
- fix_quorum_options (this, priv, qtype, options);
- if (priv->quorum_count && !afr_has_quorum (priv->child_up, this))
- gf_msg (this->name, GF_LOG_WARNING, 0, AFR_MSG_QUORUM_FAIL,
- "Client-quorum is not met");
-
-
- GF_OPTION_RECONF ("post-op-delay-secs", priv->post_op_delay_secs, options,
- uint32, out);
-
- GF_OPTION_RECONF (AFR_SH_READDIR_SIZE_KEY, priv->sh_readdir_size,
- options, size_uint64, out);
- /* Reset this so we re-discover in case the topology changed. */
- GF_OPTION_RECONF ("ensure-durability", priv->ensure_durability, options,
- bool, out);
-
- GF_OPTION_RECONF ("self-heal-daemon", priv->shd.enabled, options,
- bool, out);
-
- GF_OPTION_RECONF ("iam-self-heal-daemon", priv->shd.iamshd, options,
- bool, out);
-
- GF_OPTION_RECONF ("heal-timeout", priv->shd.timeout, options,
- int32, out);
-
- GF_OPTION_RECONF ("consistent-metadata", priv->consistent_metadata,
- options, bool, out);
-
- GF_OPTION_RECONF ("shd-max-threads", priv->shd.max_threads,
- options, uint32, out);
-
- GF_OPTION_RECONF ("shd-wait-qlength", priv->shd.wait_qlength,
- options, uint32, out);
-
- GF_OPTION_RECONF ("favorite-child-policy", fav_child_policy, options,
- str, out);
- if (afr_set_favorite_child_policy (priv, fav_child_policy) == -1)
- goto out;
-
- priv->did_discovery = _gf_false;
-
- GF_OPTION_RECONF ("consistent-io", consistent_io, options, bool, out);
- if (priv->quorum_count != 0)
- consistent_io = _gf_false;
- priv->consistent_io = consistent_io;
-
- ret = 0;
+ priv->read_child = index;
+ }
+
+ GF_OPTION_RECONF("pre-op-compat", priv->pre_op_compat, options, bool, out);
+ GF_OPTION_RECONF("locking-scheme", locking_scheme, options, str, out);
+ priv->granular_locks = (strcmp(locking_scheme, "granular") == 0);
+ GF_OPTION_RECONF("full-lock", priv->full_lock, options, bool, out);
+ GF_OPTION_RECONF("granular-entry-heal", priv->esh_granular, options, bool,
+ out);
+
+ GF_OPTION_RECONF("eager-lock", priv->eager_lock, options, bool, out);
+ GF_OPTION_RECONF("optimistic-change-log", priv->optimistic_change_log,
+ options, bool, out);
+ GF_OPTION_RECONF("quorum-type", qtype, options, str, out);
+ GF_OPTION_RECONF("quorum-count", priv->quorum_count, options, uint32, out);
+ fix_quorum_options(this, priv, qtype, options);
+ if (priv->quorum_count && !afr_has_quorum(priv->child_up, this, NULL))
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_QUORUM_FAIL,
+ "Client-quorum is not met");
+
+ GF_OPTION_RECONF("post-op-delay-secs", priv->post_op_delay_secs, options,
+ uint32, out);
+
+ GF_OPTION_RECONF(AFR_SH_READDIR_SIZE_KEY, priv->sh_readdir_size, options,
+ size_uint64, out);
+ /* Reset this so we re-discover in case the topology changed. */
+ GF_OPTION_RECONF("ensure-durability", priv->ensure_durability, options,
+ bool, out);
+
+ enabled_old = priv->shd.enabled;
+ GF_OPTION_RECONF("self-heal-daemon", priv->shd.enabled, options, bool, out);
+
+ GF_OPTION_RECONF("iam-self-heal-daemon", priv->shd.iamshd, options, bool,
+ out);
+
+ timeout_old = priv->shd.timeout;
+ GF_OPTION_RECONF("heal-timeout", priv->shd.timeout, options, int32, out);
+
+ GF_OPTION_RECONF("consistent-metadata", priv->consistent_metadata, options,
+ bool, out);
+
+ GF_OPTION_RECONF("shd-max-threads", priv->shd.max_threads, options, uint32,
+ out);
+
+ GF_OPTION_RECONF("shd-wait-qlength", priv->shd.wait_qlength, options,
+ uint32, out);
+
+ GF_OPTION_RECONF("favorite-child-policy", fav_child_policy, options, str,
+ out);
+ if (afr_set_favorite_child_policy(priv, fav_child_policy) == -1)
+ goto out;
+
+ priv->did_discovery = _gf_false;
+
+ GF_OPTION_RECONF("consistent-io", consistent_io, options, bool, out);
+ if (priv->quorum_count != 0)
+ consistent_io = _gf_false;
+ priv->consistent_io = consistent_io;
+
+ afr_handle_anon_inode_options(priv, options);
+
+ GF_OPTION_RECONF("use-anonymous-inode", priv->use_anon_inode, options, bool,
+ out);
+ if (priv->shd.enabled) {
+ if ((priv->shd.enabled != enabled_old) ||
+ (timeout_old != priv->shd.timeout))
+ afr_selfheal_childup(this, priv);
+ }
+
+ ret = 0;
out:
- return ret;
-
+ return ret;
}
static int
-afr_pending_xattrs_init (afr_private_t *priv, xlator_t *this)
+afr_pending_xattrs_init(afr_private_t *priv, xlator_t *this)
{
- int ret = -1;
- int i = 0;
- char *ptr = NULL;
- char *ptr1 = NULL;
- char *xattrs_list = NULL;
- xlator_list_t *trav = NULL;
- int child_count = -1;
-
- trav = this->children;
- child_count = priv->child_count;
- if (priv->thin_arbiter_count) {
- /* priv->pending_key[THIN_ARBITER_BRICK_INDEX] is used as the
- * name of the thin arbiter file for persistence across add/
- * removal of DHT subvols.*/
- child_count++;
- }
-
- GF_OPTION_INIT ("afr-pending-xattr", xattrs_list, str, out);
- priv->pending_key = GF_CALLOC (sizeof (*priv->pending_key),
- child_count, gf_afr_mt_char);
- if (!priv->pending_key) {
- ret = -ENOMEM;
- goto out;
- }
- if (!xattrs_list) {
- gf_msg (this->name, GF_LOG_WARNING, 0, AFR_MSG_NO_CHANGELOG,
- "Unable to fetch afr-pending-xattr option from volfile."
- " Falling back to using client translator names. ");
-
- while (i < child_count) {
- ret = gf_asprintf (&priv->pending_key[i], "%s.%s",
- AFR_XATTR_PREFIX,
- trav->xlator->name);
- if (ret == -1) {
- ret = -ENOMEM;
- goto out;
- }
- trav = trav->next;
- i++;
- }
- ret = 0;
- goto out;
- }
+ int ret = -1;
+ int i = 0;
+ char *ptr = NULL;
+ char *ptr1 = NULL;
+ char *xattrs_list = NULL;
+ xlator_list_t *trav = NULL;
+ int child_count = -1;
+
+ trav = this->children;
+ child_count = priv->child_count;
+ if (priv->thin_arbiter_count) {
+ /* priv->pending_key[THIN_ARBITER_BRICK_INDEX] is used as the
+ * name of the thin arbiter file for persistence across add/
+ * removal of DHT subvols.*/
+ child_count++;
+ }
+
+ GF_OPTION_INIT("afr-pending-xattr", xattrs_list, str, out);
+ priv->pending_key = GF_CALLOC(sizeof(*priv->pending_key), child_count,
+ gf_afr_mt_char);
+ if (!priv->pending_key) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ if (!xattrs_list) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_NO_CHANGELOG,
+ "Unable to fetch afr-pending-xattr option from volfile."
+ " Falling back to using client translator names. ");
- ptr = ptr1 = gf_strdup (xattrs_list);
- if (!ptr) {
+ while (i < child_count) {
+ ret = gf_asprintf(&priv->pending_key[i], "%s.%s", AFR_XATTR_PREFIX,
+ trav->xlator->name);
+ if (ret == -1) {
ret = -ENOMEM;
goto out;
- }
- for (i = 0, ptr = strtok (ptr, ","); ptr; ptr = strtok (NULL, ",")) {
- ret = gf_asprintf (&priv->pending_key[i], "%s.%s",
- AFR_XATTR_PREFIX, ptr);
- if (ret == -1) {
- ret = -ENOMEM;
- goto out;
- }
- i++;
+ }
+ trav = trav->next;
+ i++;
}
ret = 0;
+ goto out;
+ }
+
+ ptr = ptr1 = gf_strdup(xattrs_list);
+ if (!ptr) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ for (i = 0, ptr = strtok(ptr, ","); ptr; ptr = strtok(NULL, ",")) {
+ ret = gf_asprintf(&priv->pending_key[i], "%s.%s", AFR_XATTR_PREFIX,
+ ptr);
+ if (ret == -1) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ i++;
+ }
+ ret = 0;
out:
- GF_FREE (ptr1);
- return ret;
+ GF_FREE(ptr1);
+ return ret;
+}
+void
+afr_ta_init(afr_private_t *priv)
+{
+ priv->thin_arbiter_count = 1;
+ priv->child_count--;
+ priv->ta_child_up = 0;
+ priv->ta_bad_child_index = AFR_CHILD_UNKNOWN;
+ priv->ta_notify_dom_lock_offset = 0;
+ priv->ta_in_mem_txn_count = 0;
+ priv->ta_on_wire_txn_count = 0;
+ priv->release_ta_notify_dom_lock = _gf_false;
+ INIT_LIST_HEAD(&priv->ta_waitq);
+ INIT_LIST_HEAD(&priv->ta_onwireq);
+ gf_uuid_clear(priv->ta_gfid);
}
int32_t
-init (xlator_t *this)
+init(xlator_t *this)
{
- afr_private_t *priv = NULL;
- int child_count = 0;
- xlator_list_t *trav = NULL;
- int i = 0;
- int ret = -1;
- GF_UNUSED int op_errno = 0;
- xlator_t *read_subvol = NULL;
- int read_subvol_index = -1;
- char *qtype = NULL;
- char *fav_child_policy = NULL;
- char *thin_arbiter = NULL;
-
- if (!this->children) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_CHILD_MISCONFIGURED,
- "replicate translator needs more than one "
- "subvolume defined.");
- return -1;
+ afr_private_t *priv = NULL;
+ int child_count = 0;
+ xlator_list_t *trav = NULL;
+ int i = 0;
+ int ret = -1;
+ GF_UNUSED int op_errno = 0;
+ xlator_t *read_subvol = NULL;
+ int read_subvol_index = -1;
+ char *qtype = NULL;
+ char *fav_child_policy = NULL;
+ char *thin_arbiter = NULL;
+ char *data_self_heal = NULL;
+ char *locking_scheme = NULL;
+ char *data_self_heal_algorithm = NULL;
+
+ if (!this->children) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_CHILD_MISCONFIGURED,
+ "replicate translator needs more than one "
+ "subvolume defined.");
+ return -1;
+ }
+
+ if (!this->parents) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_VOL_MISCONFIGURED,
+ "Volume is dangling.");
+ }
+
+ this->private = GF_CALLOC(1, sizeof(afr_private_t),
+ gf_afr_mt_afr_private_t);
+ if (!this->private)
+ goto out;
+
+ priv = this->private;
+ INIT_LIST_HEAD(&priv->saved_locks);
+ INIT_LIST_HEAD(&priv->lk_healq);
+ LOCK_INIT(&priv->lock);
+
+ child_count = xlator_subvolume_count(this);
+
+ priv->child_count = child_count;
+
+ priv->read_child = -1;
+
+ GF_OPTION_INIT("arbiter-count", priv->arbiter_count, uint32, out);
+ GF_OPTION_INIT("thin-arbiter", thin_arbiter, str, out);
+ if (thin_arbiter && strlen(thin_arbiter) > 0) {
+ afr_ta_init(priv);
+ }
+ INIT_LIST_HEAD(&priv->healing);
+ INIT_LIST_HEAD(&priv->heal_waiting);
+
+ priv->spb_choice_timeout = AFR_DEFAULT_SPB_CHOICE_TIMEOUT;
+
+ GF_OPTION_INIT("afr-dirty-xattr", priv->afr_dirty, str, out);
+
+ GF_OPTION_INIT("metadata-splitbrain-forced-heal",
+ priv->metadata_splitbrain_forced_heal, bool, out);
+
+ GF_OPTION_INIT("read-subvolume", read_subvol, xlator, out);
+ if (read_subvol) {
+ priv->read_child = xlator_subvolume_index(this, read_subvol);
+ if (priv->read_child == -1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_SUBVOL,
+ "%s not a subvolume", read_subvol->name);
+ goto out;
}
-
- if (!this->parents) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- AFR_MSG_VOL_MISCONFIGURED, "Volume is dangling.");
+ }
+ GF_OPTION_INIT("read-subvolume-index", read_subvol_index, int32, out);
+ if (read_subvol_index > -1) {
+ if (read_subvol_index >= priv->child_count) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, AFR_MSG_INVALID_SUBVOL,
+ "%d not a subvolume-index", read_subvol_index);
+ goto out;
}
+ priv->read_child = read_subvol_index;
+ }
+ GF_OPTION_INIT("choose-local", priv->choose_local, bool, out);
- this->private = GF_CALLOC (1, sizeof (afr_private_t),
- gf_afr_mt_afr_private_t);
- if (!this->private)
- goto out;
-
- priv = this->private;
- LOCK_INIT (&priv->lock);
-
- child_count = xlator_subvolume_count (this);
-
- priv->child_count = child_count;
-
- priv->read_child = -1;
-
- GF_OPTION_INIT ("arbiter-count", priv->arbiter_count, uint32, out);
- GF_OPTION_INIT ("thin-arbiter", thin_arbiter, str, out);
- if (thin_arbiter && strlen(thin_arbiter) > 0) {
- priv->thin_arbiter_count = 1;
- priv->child_count--;
- }
- INIT_LIST_HEAD (&priv->healing);
- INIT_LIST_HEAD (&priv->heal_waiting);
-
- priv->spb_choice_timeout = AFR_DEFAULT_SPB_CHOICE_TIMEOUT;
-
- GF_OPTION_INIT ("afr-dirty-xattr", priv->afr_dirty, str, out);
-
- GF_OPTION_INIT ("metadata-splitbrain-forced-heal",
- priv->metadata_splitbrain_forced_heal, bool, out);
-
- GF_OPTION_INIT ("read-subvolume", read_subvol, xlator, out);
- if (read_subvol) {
- priv->read_child = xlator_subvolume_index (this, read_subvol);
- if (priv->read_child == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_SUBVOL, "%s not a subvolume",
- read_subvol->name);
- goto out;
- }
- }
- GF_OPTION_INIT ("read-subvolume-index",read_subvol_index,int32,out);
- if (read_subvol_index > -1) {
- if (read_subvol_index >= priv->child_count) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- AFR_MSG_INVALID_SUBVOL,
- "%d not a subvolume-index", read_subvol_index);
- goto out;
- }
- priv->read_child = read_subvol_index;
- }
- GF_OPTION_INIT ("choose-local", priv->choose_local, bool, out);
+ priv->pending_reads = GF_CALLOC(sizeof(*priv->pending_reads),
+ priv->child_count, gf_afr_mt_atomic_t);
- priv->pending_reads = GF_CALLOC (sizeof(*priv->pending_reads),
- priv->child_count, gf_afr_mt_atomic_t);
+ GF_OPTION_INIT("read-hash-mode", priv->hash_mode, uint32, out);
- GF_OPTION_INIT ("read-hash-mode", priv->hash_mode, uint32, out);
+ priv->favorite_child = -1;
- priv->favorite_child = -1;
+ GF_OPTION_INIT("favorite-child-policy", fav_child_policy, str, out);
+ if (afr_set_favorite_child_policy(priv, fav_child_policy) == -1)
+ goto out;
- GF_OPTION_INIT ("favorite-child-policy", fav_child_policy, str, out);
- if (afr_set_favorite_child_policy(priv, fav_child_policy) == -1)
- goto out;
+ GF_OPTION_INIT("shd-max-threads", priv->shd.max_threads, uint32, out);
- GF_OPTION_INIT ("shd-max-threads", priv->shd.max_threads,
- uint32, out);
+ GF_OPTION_INIT("shd-wait-qlength", priv->shd.wait_qlength, uint32, out);
- GF_OPTION_INIT ("shd-wait-qlength", priv->shd.wait_qlength,
- uint32, out);
+ GF_OPTION_INIT("background-self-heal-count",
+ priv->background_self_heal_count, uint32, out);
- GF_OPTION_INIT ("background-self-heal-count",
- priv->background_self_heal_count, uint32, out);
+ GF_OPTION_INIT("heal-wait-queue-length", priv->heal_wait_qlen, uint32, out);
- GF_OPTION_INIT ("heal-wait-queue-length",
- priv->heal_wait_qlen, uint32, out);
+ GF_OPTION_INIT("data-self-heal", data_self_heal, str, out);
+ if (gf_string2boolean(data_self_heal, &priv->data_self_heal) == -1)
+ goto out;
- GF_OPTION_INIT ("data-self-heal", priv->data_self_heal, str, out);
+ GF_OPTION_INIT("data-self-heal-algorithm", data_self_heal_algorithm, str,
+ out);
+ set_data_self_heal_algorithm(priv, data_self_heal_algorithm);
- GF_OPTION_INIT ("data-self-heal-algorithm",
- priv->data_self_heal_algorithm, str, out);
+ GF_OPTION_INIT("data-self-heal-window-size",
+ priv->data_self_heal_window_size, uint32, out);
- GF_OPTION_INIT ("data-self-heal-window-size",
- priv->data_self_heal_window_size, uint32, out);
+ GF_OPTION_INIT("metadata-self-heal", priv->metadata_self_heal, bool, out);
- GF_OPTION_INIT ("metadata-self-heal", priv->metadata_self_heal, bool,
- out);
+ GF_OPTION_INIT("entry-self-heal", priv->entry_self_heal, bool, out);
- GF_OPTION_INIT ("entry-self-heal", priv->entry_self_heal, bool, out);
+ GF_OPTION_INIT("halo-shd-max-latency", priv->shd.halo_max_latency_msec,
+ uint32, out);
- GF_OPTION_INIT ("halo-shd-max-latency", priv->shd.halo_max_latency_msec,
- uint32, out);
+ GF_OPTION_INIT("halo-max-latency", priv->halo_max_latency_msec, uint32,
+ out);
+ GF_OPTION_INIT("halo-max-replicas", priv->halo_max_replicas, uint32, out);
+ GF_OPTION_INIT("halo-min-replicas", priv->halo_min_replicas, uint32, out);
- GF_OPTION_INIT ("halo-max-latency", priv->halo_max_latency_msec,
- uint32, out);
- GF_OPTION_INIT ("halo-max-replicas", priv->halo_max_replicas, uint32,
- out);
- GF_OPTION_INIT ("halo-min-replicas", priv->halo_min_replicas, uint32,
- out);
+ GF_OPTION_INIT("halo-enabled", priv->halo_enabled, bool, out);
- GF_OPTION_INIT ("halo-enabled",
- priv->halo_enabled, bool, out);
+ GF_OPTION_INIT("halo-nfsd-max-latency", priv->nfsd.halo_max_latency_msec,
+ uint32, out);
- GF_OPTION_INIT ("halo-nfsd-max-latency",
- priv->nfsd.halo_max_latency_msec, uint32, out);
+ GF_OPTION_INIT("iam-nfs-daemon", priv->nfsd.iamnfsd, bool, out);
- GF_OPTION_INIT ("iam-nfs-daemon", priv->nfsd.iamnfsd, bool, out);
+ GF_OPTION_INIT("optimistic-change-log", priv->optimistic_change_log, bool,
+ out);
- GF_OPTION_INIT ("optimistic-change-log", priv->optimistic_change_log,
- bool, out);
+ GF_OPTION_INIT("pre-op-compat", priv->pre_op_compat, bool, out);
+ GF_OPTION_INIT("locking-scheme", locking_scheme, str, out);
+ priv->granular_locks = (strcmp(locking_scheme, "granular") == 0);
+ GF_OPTION_INIT("full-lock", priv->full_lock, bool, out);
+ GF_OPTION_INIT("granular-entry-heal", priv->esh_granular, bool, out);
- GF_OPTION_INIT ("pre-op-compat", priv->pre_op_compat, bool, out);
- GF_OPTION_INIT ("locking-scheme", priv->locking_scheme, str, out);
- GF_OPTION_INIT ("full-lock", priv->full_lock, bool, out);
- GF_OPTION_INIT ("granular-entry-heal", priv->esh_granular, bool, out);
+ GF_OPTION_INIT("eager-lock", priv->eager_lock, bool, out);
+ GF_OPTION_INIT("quorum-type", qtype, str, out);
+ GF_OPTION_INIT("quorum-count", priv->quorum_count, uint32, out);
+ GF_OPTION_INIT(AFR_SH_READDIR_SIZE_KEY, priv->sh_readdir_size, size_uint64,
+ out);
+ fix_quorum_options(this, priv, qtype, this->options);
- GF_OPTION_INIT ("eager-lock", priv->eager_lock, bool, out);
- GF_OPTION_INIT ("quorum-type", qtype, str, out);
- GF_OPTION_INIT ("quorum-count", priv->quorum_count, uint32, out);
- GF_OPTION_INIT (AFR_SH_READDIR_SIZE_KEY, priv->sh_readdir_size, size_uint64,
- out);
- fix_quorum_options (this, priv, qtype, this->options);
+ GF_OPTION_INIT("post-op-delay-secs", priv->post_op_delay_secs, uint32, out);
+ GF_OPTION_INIT("ensure-durability", priv->ensure_durability, bool, out);
- GF_OPTION_INIT ("post-op-delay-secs", priv->post_op_delay_secs, uint32, out);
- GF_OPTION_INIT ("ensure-durability", priv->ensure_durability, bool,
- out);
+ GF_OPTION_INIT("self-heal-daemon", priv->shd.enabled, bool, out);
- GF_OPTION_INIT ("self-heal-daemon", priv->shd.enabled, bool, out);
+ GF_OPTION_INIT("iam-self-heal-daemon", priv->shd.iamshd, bool, out);
+ GF_OPTION_INIT("heal-timeout", priv->shd.timeout, int32, out);
- GF_OPTION_INIT ("iam-self-heal-daemon", priv->shd.iamshd, bool, out);
- GF_OPTION_INIT ("heal-timeout", priv->shd.timeout, int32, out);
+ GF_OPTION_INIT("consistent-metadata", priv->consistent_metadata, bool, out);
+ GF_OPTION_INIT("consistent-io", priv->consistent_io, bool, out);
+ afr_handle_anon_inode_options(priv, this->options);
- GF_OPTION_INIT ("consistent-metadata", priv->consistent_metadata, bool,
- out);
- GF_OPTION_INIT ("consistent-io", priv->consistent_io, bool, out);
+ GF_OPTION_INIT("use-anonymous-inode", priv->use_anon_inode, bool, out);
+ if (priv->quorum_count != 0)
+ priv->consistent_io = _gf_false;
- if (priv->quorum_count != 0)
- priv->consistent_io = _gf_false;
+ priv->wait_count = 1;
- priv->wait_count = 1;
+ priv->local = GF_CALLOC(sizeof(unsigned char), child_count, gf_afr_mt_char);
+ if (!priv->local) {
+ ret = -ENOMEM;
+ goto out;
+ }
- priv->local = GF_CALLOC (sizeof (unsigned char), child_count,
+ priv->anon_inode = GF_CALLOC(sizeof(unsigned char), child_count,
gf_afr_mt_char);
- if (!priv->local) {
- ret = -ENOMEM;
- goto out;
- }
- priv->child_up = GF_CALLOC (sizeof (unsigned char), child_count,
- gf_afr_mt_char);
+ priv->child_up = GF_CALLOC(sizeof(unsigned char), child_count,
+ gf_afr_mt_char);
- priv->child_latency = GF_CALLOC (sizeof (*priv->child_latency),
- child_count,
- gf_afr_mt_child_latency_t);
+ priv->child_latency = GF_MALLOC(sizeof(*priv->child_latency) * child_count,
+ gf_afr_mt_child_latency_t);
+ priv->halo_child_up = GF_CALLOC(sizeof(unsigned char), child_count,
+ gf_afr_mt_char);
- if (!priv->child_up || !priv->child_latency) {
- ret = -ENOMEM;
- goto out;
- }
- /*Initialize to -ve ping timeout so that they are not considered
- * in child-up events until ping-event comes*/
- for (i = 0; i < child_count; i++)
- priv->child_latency[i] = -1;
-
- priv->children = GF_CALLOC (sizeof (xlator_t *), child_count,
- gf_afr_mt_xlator_t);
- if (!priv->children) {
- ret = -ENOMEM;
- goto out;
+ if (!priv->child_up || !priv->child_latency || !priv->halo_child_up ||
+ !priv->anon_inode) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ /*Initialize to -ve ping timeout so that they are not considered
+ * in child-up events until ping-event comes*/
+ for (i = 0; i < child_count; i++)
+ priv->child_latency[i] = -1;
+
+ priv->children = GF_CALLOC(sizeof(xlator_t *), child_count,
+ gf_afr_mt_xlator_t);
+ if (!priv->children) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = afr_pending_xattrs_init(priv, this);
+ if (ret)
+ goto out;
+
+ trav = this->children;
+ i = 0;
+ while (i < child_count) {
+ priv->children[i] = trav->xlator;
+ trav = trav->next;
+ i++;
+ }
+
+ ret = gf_asprintf(&priv->sh_domain, AFR_SH_DATA_DOMAIN_FMT, this->name);
+ if (-1 == ret) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ priv->last_event = GF_CALLOC(child_count, sizeof(*priv->last_event),
+ gf_afr_mt_int32_t);
+ if (!priv->last_event) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ this->itable = inode_table_new(SHD_INODE_LRU_LIMIT, this);
+ if (!this->itable) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ if (priv->shd.iamshd) {
+ ret = afr_selfheal_daemon_init(this);
+ if (ret) {
+ ret = -ENOMEM;
+ goto out;
}
+ }
- ret = afr_pending_xattrs_init (priv, this);
- if (ret)
- goto out;
+ /* keep more local here as we may need them for self-heal etc */
+ this->local_pool = mem_pool_new(afr_local_t, 512);
+ if (!this->local_pool) {
+ ret = -1;
+ goto out;
+ }
- trav = this->children;
- i = 0;
- while (i < child_count) {
- priv->children[i] = trav->xlator;
- trav = trav->next;
- i++;
- }
+ priv->root_inode = NULL;
- ret = gf_asprintf (&priv->sh_domain, AFR_SH_DATA_DOMAIN_FMT,
- this->name);
- if (-1 == ret) {
- ret = -ENOMEM;
- goto out;
- }
+ ret = 0;
+out:
+ return ret;
+}
+void
+afr_destroy_healer_object(xlator_t *this, struct subvol_healer *healer)
+{
+ int ret = -1;
- priv->last_event = GF_CALLOC (child_count, sizeof (*priv->last_event),
- gf_afr_mt_int32_t);
- if (!priv->last_event) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!healer)
+ return;
- ret = afr_selfheal_daemon_init (this);
- if (ret) {
- ret = -ENOMEM;
- goto out;
- }
+ if (healer->running) {
+ /*
+ * If there are any resources to cleanup, We need
+ * to do that gracefully using pthread_cleanup_push
+ */
+ ret = gf_thread_cleanup_xint(healer->thread);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, AFR_MSG_SELF_HEAL_FAILED,
+ "Failed to clean up healer threads.");
+ healer->thread = 0;
+ }
+ pthread_cond_destroy(&healer->cond);
+ pthread_mutex_destroy(&healer->mutex);
+}
- /* keep more local here as we may need them for self-heal etc */
- this->local_pool = mem_pool_new (afr_local_t, 512);
- if (!this->local_pool) {
- ret = -1;
- goto out;
- }
+void
+afr_selfheal_daemon_fini(xlator_t *this)
+{
+ struct subvol_healer *healer = NULL;
+ afr_self_heald_t *shd = NULL;
+ afr_private_t *priv = NULL;
+ int i = 0;
+
+ priv = this->private;
+ if (!priv)
+ return;
+
+ shd = &priv->shd;
+ if (!shd->iamshd)
+ return;
+
+ for (i = 0; i < priv->child_count; i++) {
+ healer = &shd->index_healers[i];
+ afr_destroy_healer_object(this, healer);
+
+ healer = &shd->full_healers[i];
+ afr_destroy_healer_object(this, healer);
+
+ if (shd->statistics[i])
+ eh_destroy(shd->statistics[i]);
+ }
+ GF_FREE(shd->index_healers);
+ GF_FREE(shd->full_healers);
+ GF_FREE(shd->statistics);
+ if (shd->split_brain)
+ eh_destroy(shd->split_brain);
+}
+void
+fini(xlator_t *this)
+{
+ afr_private_t *priv = NULL;
- priv->root_inode = NULL;
+ priv = this->private;
- ret = 0;
-out:
- return ret;
-}
+ afr_selfheal_daemon_fini(this);
+ GF_ASSERT(list_empty(&priv->saved_locks));
+ LOCK(&priv->lock);
+ if (priv->timer != NULL) {
+ gf_timer_call_cancel(this->ctx, priv->timer);
+ priv->timer = NULL;
+ }
+ UNLOCK(&priv->lock);
-int
-fini (xlator_t *this)
-{
- afr_private_t *priv = NULL;
+ if (this->local_pool != NULL) {
+ mem_pool_destroy(this->local_pool);
+ this->local_pool = NULL;
+ }
- priv = this->private;
- LOCK (&priv->lock);
- if (priv->timer != NULL) {
- gf_timer_call_cancel(this->ctx, priv->timer);
- priv->timer = NULL;
- }
- UNLOCK (&priv->lock);
- this->private = NULL;
- afr_priv_destroy (priv);
- //if (this->itable);//I don't see any destroy func
+ this->private = NULL;
+ afr_priv_destroy(priv);
+ if (this->itable) {
+ inode_table_destroy(this->itable);
+ this->itable = NULL;
+ }
- return 0;
+ return;
}
-
struct xlator_fops fops = {
- .lookup = afr_lookup,
- .lk = afr_lk,
- .flush = afr_flush,
- .statfs = afr_statfs,
- .fsyncdir = afr_fsyncdir,
- .inodelk = afr_inodelk,
- .finodelk = afr_finodelk,
- .entrylk = afr_entrylk,
- .fentrylk = afr_fentrylk,
- .ipc = afr_ipc,
- .lease = afr_lease,
-
- /* inode read */
- .access = afr_access,
- .stat = afr_stat,
- .fstat = afr_fstat,
- .readlink = afr_readlink,
- .getxattr = afr_getxattr,
- .fgetxattr = afr_fgetxattr,
- .readv = afr_readv,
-
- /* inode write */
- .writev = afr_writev,
- .truncate = afr_truncate,
- .ftruncate = afr_ftruncate,
- .setxattr = afr_setxattr,
- .fsetxattr = afr_fsetxattr,
- .setattr = afr_setattr,
- .fsetattr = afr_fsetattr,
- .removexattr = afr_removexattr,
- .fremovexattr = afr_fremovexattr,
- .fallocate = afr_fallocate,
- .discard = afr_discard,
- .zerofill = afr_zerofill,
- .xattrop = afr_xattrop,
- .fxattrop = afr_fxattrop,
- .fsync = afr_fsync,
-
- /*inode open*/
- .opendir = afr_opendir,
- .open = afr_open,
-
- /* dir read */
- .readdir = afr_readdir,
- .readdirp = afr_readdirp,
-
- /* dir write */
- .create = afr_create,
- .mknod = afr_mknod,
- .mkdir = afr_mkdir,
- .unlink = afr_unlink,
- .rmdir = afr_rmdir,
- .link = afr_link,
- .symlink = afr_symlink,
- .rename = afr_rename,
+ .lookup = afr_lookup,
+ .lk = afr_lk,
+ .flush = afr_flush,
+ .statfs = afr_statfs,
+ .fsyncdir = afr_fsyncdir,
+ .inodelk = afr_inodelk,
+ .finodelk = afr_finodelk,
+ .entrylk = afr_entrylk,
+ .fentrylk = afr_fentrylk,
+ .ipc = afr_ipc,
+ .lease = afr_lease,
+
+ /* inode read */
+ .access = afr_access,
+ .stat = afr_stat,
+ .fstat = afr_fstat,
+ .readlink = afr_readlink,
+ .getxattr = afr_getxattr,
+ .fgetxattr = afr_fgetxattr,
+ .readv = afr_readv,
+ .seek = afr_seek,
+
+ /* inode write */
+ .writev = afr_writev,
+ .truncate = afr_truncate,
+ .ftruncate = afr_ftruncate,
+ .setxattr = afr_setxattr,
+ .fsetxattr = afr_fsetxattr,
+ .setattr = afr_setattr,
+ .fsetattr = afr_fsetattr,
+ .removexattr = afr_removexattr,
+ .fremovexattr = afr_fremovexattr,
+ .fallocate = afr_fallocate,
+ .discard = afr_discard,
+ .zerofill = afr_zerofill,
+ .xattrop = afr_xattrop,
+ .fxattrop = afr_fxattrop,
+ .fsync = afr_fsync,
+
+ /*inode open*/
+ .opendir = afr_opendir,
+ .open = afr_open,
+
+ /* dir read */
+ .readdir = afr_readdir,
+ .readdirp = afr_readdirp,
+
+ /* dir write */
+ .create = afr_create,
+ .mknod = afr_mknod,
+ .mkdir = afr_mkdir,
+ .unlink = afr_unlink,
+ .rmdir = afr_rmdir,
+ .link = afr_link,
+ .symlink = afr_symlink,
+ .rename = afr_rename,
};
-
struct xlator_dumpops dumpops = {
- .priv = afr_priv_dump,
+ .priv = afr_priv_dump,
};
-
struct xlator_cbks cbks = {
- .release = afr_release,
- .releasedir = afr_releasedir,
- .forget = afr_forget,
+ .release = afr_release,
+ .releasedir = afr_releasedir,
+ .forget = afr_forget,
};
-
struct volume_options options[] = {
- { .key = {"read-subvolume" },
- .type = GF_OPTION_TYPE_XLATOR,
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "inode-read fops happen only on one of the bricks in "
- "replicate. Afr will prefer the one specified using "
- "this option if it is not stale. Option value must be "
- "one of the xlator names of the children. "
- "Ex: <volname>-client-0 till "
- "<volname>-client-<number-of-bricks - 1>"
- },
- { .key = {"read-subvolume-index" },
- .type = GF_OPTION_TYPE_INT,
- .default_value = "-1",
- .op_version = {2},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "inode-read fops happen only on one of the bricks in "
- "replicate. AFR will prefer the one specified using "
- "this option if it is not stale. allowed options"
- " include -1 till replica-count - 1"
- },
- { .key = {"read-hash-mode" },
- .type = GF_OPTION_TYPE_INT,
- .min = 0,
- .max = 3,
- .default_value = "1",
- .op_version = {2},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "inode-read fops happen only on one of the bricks in "
- "replicate. AFR will prefer the one computed using "
- "the method specified using this option.\n"
- "0 = first readable child of AFR, starting from 1st child.\n"
- "1 = hash by GFID of file (all clients use "
- "same subvolume).\n"
- "2 = hash by GFID of file and client PID.\n"
- "3 = brick having the least outstanding read requests."
- },
- { .key = {"choose-local" },
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "true",
- .op_version = {2},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Choose a local subvolume (i.e. Brick) to read from"
- " if read-subvolume is not explicitly set.",
- },
- { .key = {"background-self-heal-count"},
- .type = GF_OPTION_TYPE_INT,
- .min = 0,
- .max = 256,
- .default_value = "8",
- .validate = GF_OPT_VALIDATE_MIN,
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This specifies the number of per client self-heal "
- "jobs that can perform parallel heals in the "
- "background."
- },
- { .key = {"halo-shd-max-latency"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 99999,
- .default_value = "99999",
- .op_version = {GD_OP_VERSION_3_11_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate", "halo"},
- .description = "Maximum latency for shd halo replication in msec."
- },
- { .key = {"halo-enabled"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "False",
- .op_version = {GD_OP_VERSION_3_11_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate", "halo"},
- .description = "Enable Halo (geo) replication mode."
- },
- { .key = {"halo-nfsd-max-latency"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 99999,
- .default_value = "5",
- .op_version = {GD_OP_VERSION_3_11_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate", "halo"},
- .description = "Maximum latency for nfsd halo replication in msec."
- },
- { .key = {"halo-max-latency"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = AFR_HALO_MAX_LATENCY,
- .default_value = "5",
- .op_version = {GD_OP_VERSION_3_11_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate", "halo"},
- .description = "Maximum latency for halo replication in msec."
- },
- { .key = {"halo-max-replicas"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 99999,
- .default_value = "99999",
- .op_version = {GD_OP_VERSION_3_11_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate", "halo"},
- .description = "The maximum number of halo replicas; replicas"
- " beyond this value will be written asynchronously"
- "via the SHD."
- },
- { .key = {"halo-min-replicas"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 99999,
- .default_value = "2",
- .op_version = {GD_OP_VERSION_3_11_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate", "halo"},
- .description = "The minimmum number of halo replicas, before adding "
- "out of region replicas."
- },
- { .key = {"heal-wait-queue-length"},
- .type = GF_OPTION_TYPE_INT,
- .min = 0,
- .max = 10000, /*Around 100MB with sizeof(afr_local_t)= 10496 bytes*/
- .default_value = "128",
- .validate = GF_OPT_VALIDATE_MIN,
- .op_version = {GD_OP_VERSION_3_7_10},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This specifies the number of heals that can be queued"
- " for the parallel background self heal jobs."
- },
- { .key = {"data-self-heal"},
- .type = GF_OPTION_TYPE_STR,
- .value = {"1", "on", "yes", "true", "enable",
- "0", "off", "no", "false", "disable",
- "open"},
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Using this option we can enable/disable data "
- "self-heal on the file. \"open\" means data "
- "self-heal action will only be triggered by file "
- "open operations."
- },
- { .key = {"data-self-heal-algorithm"},
- .type = GF_OPTION_TYPE_STR,
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Select between \"full\", \"diff\". The "
- "\"full\" algorithm copies the entire file from "
- "source to sink. The \"diff\" algorithm copies to "
- "sink only those blocks whose checksums don't match "
- "with those of source. If no option is configured "
- "the option is chosen dynamically as follows: "
- "If the file does not exist on one of the sinks "
- "or empty file exists or if the source file size is "
- "about the same as page size the entire file will "
- "be read and written i.e \"full\" algo, "
- "otherwise \"diff\" algo is chosen.",
- .value = { "diff", "full"}
- },
- { .key = {"data-self-heal-window-size"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 1024,
- .default_value = "1",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Maximum number blocks per file for which self-heal "
- "process would be applied simultaneously."
- },
- { .key = {"metadata-self-heal"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- /*.validate_fn = validate_replica*/
- .description = "Using this option we can enable/disable metadata "
- "i.e. Permissions, ownerships, xattrs self-heal on "
- "the file/directory."
- },
- { .key = {"entry-self-heal"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- /*.validate_fn = validate_replica*/
- .description = "Using this option we can enable/disable entry "
- "self-heal on the directory."
- },
- { .key = {"data-change-log"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This option exists only for backward compatibility "
- "and configuring it doesn't have any effect"
- },
- { .key = {"metadata-change-log"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This option exists only for backward compatibility "
- "and configuring it doesn't have any effect"
- },
- { .key = {"entry-change-log"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This option exists only for backward compatibility "
- "and configuring it doesn't have any effect"
- },
- { .key = {"optimistic-change-log"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .description = "Entry/Metadata fops will not perform "
- "pre fop changelog operations in afr transaction "
- "if this option is enabled."
- },
- { .key = {"inodelk-trace"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "off",
- .description = "Enabling this option logs inode lock/unlocks"
- },
- { .key = {"entrylk-trace"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "off",
- .description = "Enabling this option logs entry lock/unlocks"
- },
- { .key = {"pre-op-compat"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .description = "Use separate pre-op xattrop() FOP rather than "
- "overloading xdata of the OP"
- },
- { .key = {"eager-lock"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Enable/Disable eager lock for replica volume. "
- "Lock phase of a transaction has two sub-phases. "
- "First is an attempt to acquire locks in parallel by "
- "broadcasting non-blocking lock requests. If lock "
- "acquisition fails on any server, then the held locks "
- "are unlocked and we revert to a blocking locks mode "
- "sequentially on one server after another. If this "
- "option is enabled the initial broadcasting lock "
- "request attempts to acquire a full lock on the entire file. "
- "If this fails, we revert back to the sequential "
- "\"regional\" blocking locks as before. In the case "
- "where such an \"eager\" lock is granted in the "
- "non-blocking phase, it gives rise to an opportunity "
- "for optimization. i.e, if the next write transaction "
- "on the same FD arrives before the unlock phase of "
- "the first transaction, it \"takes over\" the full "
- "file lock. Similarly if yet another data transaction "
- "arrives before the unlock phase of the \"optimized\" "
- "transaction, that in turn \"takes over\" the lock as "
- "well. The actual unlock now happens at the end of "
- "the last \"optimized\" transaction."
-
- },
- { .key = {"self-heal-daemon"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE,
- .tags = {"replicate"},
- /*.validate_fn = validate_replica_heal_enable_disable*/
- .description = "This option applies to only self-heal-daemon. "
- "Index directory crawl and automatic healing of files "
- "will not be performed if this option is turned off."
- },
- { .key = {"iam-self-heal-daemon"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "off",
- .description = "This option differentiates if the replicate "
- "translator is running as part of self-heal-daemon "
- "or not."
- },
- { .key = {"iam-nfs-daemon"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "off",
- .description = "This option differentiates if the replicate "
- "translator is running as part of an NFS daemon "
- "or not."
- },
- { .key = {"quorum-type"},
- .type = GF_OPTION_TYPE_STR,
- .value = { "none", "auto", "fixed"},
- .default_value = "none",
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- /*.option = quorum-type*/
- .description = "If value is \"fixed\" only allow writes if "
- "quorum-count bricks are present. If value is "
- "\"auto\" only allow writes if more than half of "
- "bricks, or exactly half including the first, are "
- "present.",
- },
- { .key = {"quorum-count"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = INT_MAX,
- .default_value = 0,
- .op_version = {1},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- /*.option = quorum-count*/
- /*.validate_fn = validate_quorum_count*/
- .description = "If quorum-type is \"fixed\" only allow writes if "
- "this many bricks are present. Other quorum types "
- "will OVERWRITE this value.",
- },
- { .key = {"quorum-reads"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "no",
- .op_version = {GD_OP_VERSION_3_7_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This option has been removed. Reads are not allowed "
- "if quorum is not met.",
- },
- { .key = {"node-uuid"},
- .type = GF_OPTION_TYPE_STR,
- .description = "Local glusterd uuid string, used in starting "
- "self-heal-daemon so that it can crawl only on "
- "local index directories.",
- },
- { .key = {"post-op-delay-secs"},
- .type = GF_OPTION_TYPE_INT,
- .min = 0,
- .max = INT_MAX,
- .default_value = "1",
- .op_version = {2},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Time interval induced artificially before "
- "post-operation phase of the transaction to "
- "enhance overlap of adjacent write operations.",
- },
- { .key = {AFR_SH_READDIR_SIZE_KEY},
- .type = GF_OPTION_TYPE_SIZET,
- .description = "readdirp size for performing entry self-heal",
- .min = 1024,
- .max = 131072,
- .op_version = {2},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE,
- .tags = {"replicate"},
- .default_value = "1KB",
- },
- { .key = {"ensure-durability"},
- .type = GF_OPTION_TYPE_BOOL,
- .op_version = {3},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Afr performs fsyncs for transactions if this "
- "option is on to make sure the changelogs/data is "
- "written to the disk",
- .default_value = "on",
- },
- { .key = {"afr-dirty-xattr"},
- .type = GF_OPTION_TYPE_STR,
- .default_value = AFR_DIRTY_DEFAULT,
- },
- { .key = {"afr-pending-xattr"},
- .type = GF_OPTION_TYPE_STR,
- .description = "Comma separated list of xattrs that are used to "
- "capture information on pending heals."
- },
- { .key = {"metadata-splitbrain-forced-heal"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "off",
- },
- { .key = {"heal-timeout"},
- .type = GF_OPTION_TYPE_INT,
- .min = 5,
- .max = INT_MAX,
- .default_value = "600",
- .op_version = {2},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "time interval for checking the need to self-heal "
- "in self-heal-daemon"
- },
- { .key = {"consistent-metadata"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "no",
- .op_version = {GD_OP_VERSION_3_7_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "If this option is enabled, readdirp will force "
- "lookups on those entries read whose read child is "
- "not the same as that of the parent. This will "
- "guarantee that all read operations on a file serve "
- "attributes from the same subvol as long as it holds "
- " a good copy of the file/dir.",
- },
- { .key = {"arbiter-count"},
- .type = GF_OPTION_TYPE_INT,
- .description = "subset of child_count. Has to be 0 or 1."
- },
- { .key = {"thin-arbiter"},
- .type = GF_OPTION_TYPE_STR,
- .op_version = {GD_OP_VERSION_4_1_0},
- .flags = OPT_FLAG_SETTABLE,
- .tags = {"replicate"},
- .description = "contains host:path of thin abriter brick",
- },
- { .key = {"shd-max-threads"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 64,
- .default_value = "1",
- .op_version = {GD_OP_VERSION_3_7_12},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "Maximum number of parallel heals SHD can do per "
- "local brick. This can substantially lower heal times"
- ", but can also crush your bricks if you don't have "
- "the storage hardware to support this."
- },
- { .key = {"shd-wait-qlength"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 655536,
- .default_value = "1024",
- .op_version = {GD_OP_VERSION_3_7_12},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This option can be used to control number of heals"
- " that can wait in SHD per subvolume",
- },
- { .key = {"locking-scheme"},
- .type = GF_OPTION_TYPE_STR,
- .value = { "full", "granular"},
- .default_value = "full",
- .op_version = {GD_OP_VERSION_3_7_12},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "If this option is set to granular, self-heal will "
- "stop being compatible with afr-v1, which helps afr "
- "be more granular while self-healing",
- },
- { .key = {"full-lock"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "yes",
- .op_version = {GD_OP_VERSION_3_13_2},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE,
- .tags = {"replicate"},
- .description = "If this option is disabled, then the IOs will take "
- "range locks same as versions till 3.13.1."
- },
- { .key = {"granular-entry-heal"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "no",
- .op_version = {GD_OP_VERSION_3_8_0},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "If this option is enabled, self-heal will resort to "
- "granular way of recording changelogs and doing entry "
- "self-heal.",
- },
- { .key = {"favorite-child-policy"},
- .type = GF_OPTION_TYPE_STR,
- .value = {"none", "size", "ctime", "mtime", "majority"},
- .default_value = "none",
- .op_version = {GD_OP_VERSION_3_7_12},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This option can be used to automatically resolve "
- "split-brains using various policies without user "
- "intervention. \"size\" picks the file with the "
- "biggest size as the source. \"ctime\" and \"mtime\" "
- "pick the file with the latest ctime and mtime "
- "respectively as the source. \"majority\" picks a file"
- " with identical mtime and size in more than half the "
- "number of bricks in the replica.",
- },
- { .key = {"consistent-io"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "no",
- .description = "If this option is enabled, i/o will fail even if "
- "one of the bricks is down in the replicas",
- },
- { .key = {"use-compound-fops"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "no",
- .op_version = {GD_OP_VERSION_3_8_4},
- .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
- .tags = {"replicate"},
- .description = "This option exists only for backward compatibility "
- "and configuring it doesn't have any effect"
- },
- { .key = {NULL} },
+ {.key = {"read-subvolume"},
+ .type = GF_OPTION_TYPE_XLATOR,
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "inode-read fops happen only on one of the bricks in "
+ "replicate. Afr will prefer the one specified using "
+ "this option if it is not stale. Option value must be "
+ "one of the xlator names of the children. "
+ "Ex: <volname>-client-0 till "
+ "<volname>-client-<number-of-bricks - 1>"},
+ {.key = {"read-subvolume-index"},
+ .type = GF_OPTION_TYPE_INT,
+ .default_value = "-1",
+ .op_version = {2},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "inode-read fops happen only on one of the bricks in "
+ "replicate. AFR will prefer the one specified using "
+ "this option if it is not stale. allowed options"
+ " include -1 till replica-count - 1"},
+ {.key = {"read-hash-mode"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 0,
+ .max = 5,
+ .default_value = "1",
+ .op_version = {2},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description =
+ "inode-read fops happen only on one of the bricks in "
+ "replicate. AFR will prefer the one computed using "
+ "the method specified using this option.\n"
+ "0 = first readable child of AFR, starting from 1st child.\n"
+ "1 = hash by GFID of file (all clients use "
+ "same subvolume).\n"
+ "2 = hash by GFID of file and client PID.\n"
+ "3 = brick having the least outstanding read requests.\n"
+ "4 = brick having the least network ping latency.\n"
+ "5 = Hybrid mode between 3 and 4, ie least value among "
+ "network-latency multiplied by outstanding-read-requests."},
+ {
+ .key = {"choose-local"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "true",
+ .op_version = {2},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "Choose a local subvolume (i.e. Brick) to read from"
+ " if read-subvolume is not explicitly set.",
+ },
+ {.key = {"background-self-heal-count"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 0,
+ .max = 256,
+ .default_value = "8",
+ .validate = GF_OPT_VALIDATE_MIN,
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This specifies the number of per client self-heal "
+ "jobs that can perform parallel heals in the "
+ "background."},
+ {.key = {"halo-shd-max-latency"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 99999,
+ .default_value = "99999",
+ .op_version = {GD_OP_VERSION_3_11_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate", "halo"},
+ .description = "Maximum latency for shd halo replication in msec."},
+ {.key = {"halo-enabled"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "False",
+ .op_version = {GD_OP_VERSION_3_11_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate", "halo"},
+ .description = "Enable Halo (geo) replication mode."},
+ {.key = {"halo-nfsd-max-latency"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 99999,
+ .default_value = "5",
+ .op_version = {GD_OP_VERSION_3_11_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate", "halo"},
+ .description = "Maximum latency for nfsd halo replication in msec."},
+ {.key = {"halo-max-latency"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = AFR_HALO_MAX_LATENCY,
+ .default_value = "5",
+ .op_version = {GD_OP_VERSION_3_11_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate", "halo"},
+ .description = "Maximum latency for halo replication in msec."},
+ {.key = {"halo-max-replicas"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 99999,
+ .default_value = "99999",
+ .op_version = {GD_OP_VERSION_3_11_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate", "halo"},
+ .description = "The maximum number of halo replicas; replicas"
+ " beyond this value will be written asynchronously"
+ "via the SHD."},
+ {.key = {"halo-min-replicas"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 99999,
+ .default_value = "2",
+ .op_version = {GD_OP_VERSION_3_11_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate", "halo"},
+ .description = "The minimmum number of halo replicas, before adding "
+ "out of region replicas."},
+ {.key = {"heal-wait-queue-length"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 0,
+ .max = 10000, /*Around 100MB with sizeof(afr_local_t)= 10496 bytes*/
+ .default_value = "128",
+ .validate = GF_OPT_VALIDATE_MIN,
+ .op_version = {GD_OP_VERSION_3_7_10},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This specifies the number of heals that can be queued"
+ " for the parallel background self heal jobs."},
+ {.key = {"data-self-heal"},
+ .type = GF_OPTION_TYPE_STR,
+ .value = {"1", "on", "yes", "true", "enable", "0", "off", "no", "false",
+ "disable", "open"},
+ .default_value = "off",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "Using this option we can enable/disable data "
+ "self-heal on the file. \"open\" means data "
+ "self-heal action will only be triggered by file "
+ "open operations."},
+ {.key = {"data-self-heal-algorithm"},
+ .type = GF_OPTION_TYPE_STR,
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "Select between \"full\", \"diff\". The "
+ "\"full\" algorithm copies the entire file from "
+ "source to sink. The \"diff\" algorithm copies to "
+ "sink only those blocks whose checksums don't match "
+ "with those of source. If no option is configured "
+ "the option is chosen dynamically as follows: "
+ "If the file does not exist on one of the sinks "
+ "or empty file exists or if the source file size is "
+ "about the same as page size the entire file will "
+ "be read and written i.e \"full\" algo, "
+ "otherwise \"diff\" algo is chosen.",
+ .value = {"diff", "full"}},
+ {.key = {"data-self-heal-window-size"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 1024,
+ .default_value = "1",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "Maximum number blocks per file for which self-heal "
+ "process would be applied simultaneously."},
+ {.key = {"metadata-self-heal"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ /*.validate_fn = validate_replica*/
+ .description = "Using this option we can enable/disable metadata "
+ "i.e. Permissions, ownerships, xattrs self-heal on "
+ "the file/directory."},
+ {.key = {"entry-self-heal"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ /*.validate_fn = validate_replica*/
+ .description = "Using this option we can enable/disable entry "
+ "self-heal on the directory."},
+ {.key = {"data-change-log"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This option exists only for backward compatibility "
+ "and configuring it doesn't have any effect"},
+ {.key = {"metadata-change-log"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This option exists only for backward compatibility "
+ "and configuring it doesn't have any effect"},
+ {.key = {"entry-change-log"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This option exists only for backward compatibility "
+ "and configuring it doesn't have any effect"},
+ {.key = {"optimistic-change-log"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .description = "Entry/Metadata fops will not perform "
+ "pre fop changelog operations in afr transaction "
+ "if this option is enabled."},
+ {.key = {"inodelk-trace"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .description = "Enabling this option logs inode lock/unlocks"},
+ {.key = {"entrylk-trace"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .description = "Enabling this option logs entry lock/unlocks"},
+ {.key = {"pre-op-compat"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .description = "Use separate pre-op xattrop() FOP rather than "
+ "overloading xdata of the OP"},
+ {.key = {"eager-lock"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description =
+ "Enable/Disable eager lock for replica volume. "
+ "Lock phase of a transaction has two sub-phases. "
+ "First is an attempt to acquire locks in parallel by "
+ "broadcasting non-blocking lock requests. If lock "
+ "acquisition fails on any server, then the held locks "
+ "are unlocked and we revert to a blocking locks mode "
+ "sequentially on one server after another. If this "
+ "option is enabled the initial broadcasting lock "
+ "request attempts to acquire a full lock on the entire file. "
+ "If this fails, we revert back to the sequential "
+ "\"regional\" blocking locks as before. In the case "
+ "where such an \"eager\" lock is granted in the "
+ "non-blocking phase, it gives rise to an opportunity "
+ "for optimization. i.e, if the next write transaction "
+ "on the same FD arrives before the unlock phase of "
+ "the first transaction, it \"takes over\" the full "
+ "file lock. Similarly if yet another data transaction "
+ "arrives before the unlock phase of the \"optimized\" "
+ "transaction, that in turn \"takes over\" the lock as "
+ "well. The actual unlock now happens at the end of "
+ "the last \"optimized\" transaction."
+
+ },
+ {.key = {"self-heal-daemon"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE,
+ .tags = {"replicate"},
+ /*.validate_fn = validate_replica_heal_enable_disable*/
+ .description = "This option applies to only self-heal-daemon. "
+ "Index directory crawl and automatic healing of files "
+ "will not be performed if this option is turned off."},
+ {.key = {"iam-self-heal-daemon"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .description = "This option differentiates if the replicate "
+ "translator is running as part of self-heal-daemon "
+ "or not."},
+ {.key = {"iam-nfs-daemon"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .description = "This option differentiates if the replicate "
+ "translator is running as part of an NFS daemon "
+ "or not."},
+ {
+ .key = {"quorum-type"},
+ .type = GF_OPTION_TYPE_STR,
+ .value = {"none", "auto", "fixed"},
+ .default_value = "none",
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ /*.option = quorum-type*/
+ .description = "If value is \"fixed\" only allow writes if "
+ "quorum-count bricks are present. If value is "
+ "\"auto\" only allow writes if more than half of "
+ "bricks, or exactly half including the first, are "
+ "present.",
+ },
+ {
+ .key = {"quorum-count"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = INT_MAX,
+ .default_value = 0,
+ .op_version = {1},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ /*.option = quorum-count*/
+ /*.validate_fn = validate_quorum_count*/
+ .description = "If quorum-type is \"fixed\" only allow writes if "
+ "this many bricks are present. Other quorum types "
+ "will OVERWRITE this value.",
+ },
+ {
+ .key = {"quorum-reads"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "no",
+ .op_version = {GD_OP_VERSION_3_7_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This option has been removed. Reads are not allowed "
+ "if quorum is not met.",
+ },
+ {
+ .key = {"node-uuid"},
+ .type = GF_OPTION_TYPE_STR,
+ .description = "Local glusterd uuid string, used in starting "
+ "self-heal-daemon so that it can crawl only on "
+ "local index directories.",
+ },
+ {
+ .key = {"post-op-delay-secs"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 0,
+ .max = INT_MAX,
+ .default_value = "1",
+ .op_version = {2},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "Time interval induced artificially before "
+ "post-operation phase of the transaction to "
+ "enhance overlap of adjacent write operations.",
+ },
+ {
+ .key = {AFR_SH_READDIR_SIZE_KEY},
+ .type = GF_OPTION_TYPE_SIZET,
+ .description = "readdirp size for performing entry self-heal",
+ .min = 1024,
+ .max = 131072,
+ .op_version = {2},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE,
+ .tags = {"replicate"},
+ .default_value = "1KB",
+ },
+ {
+ .key = {"ensure-durability"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .op_version = {3},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "Afr performs fsyncs for transactions if this "
+ "option is on to make sure the changelogs/data is "
+ "written to the disk",
+ .default_value = "on",
+ },
+ {
+ .key = {"afr-dirty-xattr"},
+ .type = GF_OPTION_TYPE_STR,
+ .default_value = AFR_DIRTY_DEFAULT,
+ },
+ {.key = {"afr-pending-xattr"},
+ .type = GF_OPTION_TYPE_STR,
+ .description = "Comma separated list of xattrs that are used to "
+ "capture information on pending heals."},
+ {
+ .key = {"metadata-splitbrain-forced-heal"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ },
+ {.key = {"heal-timeout"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 5,
+ .max = INT_MAX,
+ .default_value = "600",
+ .op_version = {2},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "time interval for checking the need to self-heal "
+ "in self-heal-daemon"},
+ {
+ .key = {"consistent-metadata"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "no",
+ .op_version = {GD_OP_VERSION_3_7_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "If this option is enabled, readdirp will force "
+ "lookups on those entries read whose read child is "
+ "not the same as that of the parent. This will "
+ "guarantee that all read operations on a file serve "
+ "attributes from the same subvol as long as it holds "
+ " a good copy of the file/dir.",
+ },
+ {.key = {"arbiter-count"},
+ .type = GF_OPTION_TYPE_INT,
+ .description = "subset of child_count. Has to be 0 or 1."},
+ {
+ .key = {"thin-arbiter"},
+ .type = GF_OPTION_TYPE_STR,
+ .op_version = {GD_OP_VERSION_4_1_0},
+ .flags = OPT_FLAG_SETTABLE,
+ .tags = {"replicate"},
+ .description = "contains host:path of thin abriter brick",
+ },
+ {.key = {"shd-max-threads"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 64,
+ .default_value = "1",
+ .op_version = {GD_OP_VERSION_3_7_12},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "Maximum number of parallel heals SHD can do per "
+ "local brick. This can substantially lower heal times"
+ ", but can also crush your bricks if you don't have "
+ "the storage hardware to support this."},
+ {
+ .key = {"shd-wait-qlength"},
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 655536,
+ .default_value = "1024",
+ .op_version = {GD_OP_VERSION_3_7_12},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This option can be used to control number of heals"
+ " that can wait in SHD per subvolume",
+ },
+ {
+ .key = {"locking-scheme"},
+ .type = GF_OPTION_TYPE_STR,
+ .value = {"full", "granular"},
+ .default_value = "full",
+ .op_version = {GD_OP_VERSION_3_7_12},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "If this option is set to granular, self-heal will "
+ "stop being compatible with afr-v1, which helps afr "
+ "be more granular while self-healing",
+ },
+ {.key = {"full-lock"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "yes",
+ .op_version = {GD_OP_VERSION_3_13_2},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE,
+ .tags = {"replicate"},
+ .description = "If this option is disabled, then the IOs will take "
+ "range locks same as versions till 3.13.1."},
+ {
+ .key = {"granular-entry-heal"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "no",
+ .op_version = {GD_OP_VERSION_3_8_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "If this option is enabled, self-heal will resort to "
+ "granular way of recording changelogs and doing entry "
+ "self-heal.",
+ },
+ {
+ .key = {"favorite-child-policy"},
+ .type = GF_OPTION_TYPE_STR,
+ .value = {"none", "size", "ctime", "mtime", "majority"},
+ .default_value = "none",
+ .op_version = {GD_OP_VERSION_3_7_12},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This option can be used to automatically resolve "
+ "split-brains using various policies without user "
+ "intervention. \"size\" picks the file with the "
+ "biggest size as the source. \"ctime\" and \"mtime\" "
+ "pick the file with the latest ctime and mtime "
+ "respectively as the source. \"majority\" picks a file"
+ " with identical mtime and size in more than half the "
+ "number of bricks in the replica.",
+ },
+ {
+ .key = {"consistent-io"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "no",
+ .description = "If this option is enabled, i/o will fail even if "
+ "one of the bricks is down in the replicas",
+ },
+ {.key = {"use-compound-fops"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "no",
+ .op_version = {GD_OP_VERSION_3_8_4},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE | OPT_FLAG_DOC,
+ .tags = {"replicate"},
+ .description = "This option exists only for backward compatibility "
+ "and configuring it doesn't have any effect"},
+ {.key = {"use-anonymous-inode"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "no",
+ .op_version = {GD_OP_VERSION_8_0},
+ .flags = OPT_FLAG_CLIENT_OPT | OPT_FLAG_SETTABLE,
+ .tags = {"replicate"},
+ .description = "Setting this option heals directory renames efficiently"},
+
+ {.key = {NULL}},
+};
+
+xlator_api_t xlator_api = {
+ .init = init,
+ .fini = fini,
+ .notify = notify,
+ .reconfigure = reconfigure,
+ .mem_acct_init = mem_acct_init,
+ .op_version = {1}, /* Present from the initial version */
+ .dumpops = &dumpops,
+ .fops = &fops,
+ .cbks = &cbks,
+ .options = options,
+ .identifier = "replicate",
+ .category = GF_MAINTAINED,
};
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 68087e0ea20..d62f9a9caf2 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -8,181 +8,291 @@
cases as published by the Free Software Foundation.
*/
-
#ifndef __AFR_H__
#define __AFR_H__
-#include "call-stub.h"
-#include "compat-errno.h"
+#include <glusterfs/call-stub.h>
+#include <glusterfs/compat-errno.h>
#include "afr-mem-types.h"
#include "libxlator.h"
-#include "timer.h"
-#include "syncop.h"
+#include <glusterfs/timer.h>
+#include <glusterfs/syncop.h>
#include "afr-self-heald.h"
#include "afr-messages.h"
+#define SHD_INODE_LRU_LIMIT 1
#define AFR_PATHINFO_HEADER "REPLICATE:"
#define AFR_SH_READDIR_SIZE_KEY "self-heal-readdir-size"
#define AFR_SH_DATA_DOMAIN_FMT "%s:self-heal"
#define AFR_DIRTY_DEFAULT AFR_XATTR_PREFIX ".dirty"
-#define AFR_DIRTY (((afr_private_t *) (THIS->private))->afr_dirty)
+#define AFR_DIRTY (((afr_private_t *)(THIS->private))->afr_dirty)
-#define AFR_LOCKEE_COUNT_MAX 3
-#define AFR_DOM_COUNT_MAX 3
-#define AFR_NUM_CHANGE_LOGS 3 /*data + metadata + entry*/
+#define AFR_LOCKEE_COUNT_MAX 3
+#define AFR_DOM_COUNT_MAX 3
+#define AFR_NUM_CHANGE_LOGS 3 /*data + metadata + entry*/
#define AFR_DEFAULT_SPB_CHOICE_TIMEOUT 300 /*in seconds*/
#define ARBITER_BRICK_INDEX 2
#define THIN_ARBITER_BRICK_INDEX 2
-#define THIN_ARBITER_DOM1 "afr.ta.domain-1"
+#define AFR_TA_DOM_NOTIFY "afr.ta.dom-notify"
+#define AFR_TA_DOM_MODIFY "afr.ta.dom-modify"
+
+#define AFR_LK_HEAL_DOM "afr.lock-heal.domain"
#define AFR_HALO_MAX_LATENCY 99999
-typedef int (*afr_lock_cbk_t) (call_frame_t *frame, xlator_t *this);
+#define AFR_ANON_DIR_PREFIX ".glusterfs-anonymous-inode"
+
+#define PFLAG_PENDING (1 << 0)
+#define PFLAG_SBRAIN (1 << 1)
+
+typedef int (*afr_lock_cbk_t)(call_frame_t *frame, xlator_t *this);
+
+typedef int (*afr_read_txn_wind_t)(call_frame_t *frame, xlator_t *this,
+ int subvol);
+
+typedef int (*afr_inode_refresh_cbk_t)(call_frame_t *frame, xlator_t *this,
+ int err);
+
+typedef int (*afr_changelog_resume_t)(call_frame_t *frame, xlator_t *this);
+
+#define AFR_COUNT(array, max) \
+ ({ \
+ int __i; \
+ int __res = 0; \
+ for (__i = 0; __i < max; __i++) \
+ if (array[__i]) \
+ __res++; \
+ __res; \
+ })
+#define AFR_INTERSECT(dst, src1, src2, max) \
+ ({ \
+ int __i; \
+ for (__i = 0; __i < max; __i++) \
+ dst[__i] = src1[__i] && src2[__i]; \
+ })
+#define AFR_CMP(a1, a2, len) \
+ ({ \
+ int __cmp = 0; \
+ int __i; \
+ for (__i = 0; __i < len; __i++) \
+ if (a1[__i] != a2[__i]) { \
+ __cmp = 1; \
+ break; \
+ } \
+ __cmp; \
+ })
+#define AFR_IS_ARBITER_BRICK(priv, index) \
+ ((priv->arbiter_count == 1) && (index == ARBITER_BRICK_INDEX))
-typedef int (*afr_read_txn_wind_t) (call_frame_t *frame, xlator_t *this, int subvol);
+#define AFR_SET_ERROR_AND_CHECK_SPLIT_BRAIN(ret, errnum) \
+ do { \
+ local->op_ret = ret; \
+ local->op_errno = errnum; \
+ if (local->op_errno == EIO) \
+ gf_msg(this->name, GF_LOG_ERROR, local->op_errno, \
+ AFR_MSG_SPLIT_BRAIN, \
+ "Failing %s on gfid %s: " \
+ "split-brain observed.", \
+ gf_fop_list[local->op], uuid_utoa(local->inode->gfid)); \
+ } while (0)
+
+#define AFR_ERROR_OUT_IF_FDCTX_INVALID(__fd, __this, __error, __label) \
+ do { \
+ afr_fd_ctx_t *__fd_ctx = NULL; \
+ __fd_ctx = afr_fd_ctx_get(__fd, __this); \
+ if (__fd_ctx && __fd_ctx->is_fd_bad) { \
+ __error = EBADF; \
+ goto __label; \
+ } \
+ } while (0)
-typedef int (*afr_inode_refresh_cbk_t) (call_frame_t *frame, xlator_t *this, int err);
+typedef enum {
+ AFR_READ_POLICY_FIRST_UP,
+ AFR_READ_POLICY_GFID_HASH,
+ AFR_READ_POLICY_GFID_PID_HASH,
+ AFR_READ_POLICY_LESS_LOAD,
+ AFR_READ_POLICY_LEAST_LATENCY,
+ AFR_READ_POLICY_LOAD_LATENCY_HYBRID,
+} afr_read_hash_mode_t;
-typedef int (*afr_changelog_resume_t) (call_frame_t *frame, xlator_t *this);
+typedef enum {
+ AFR_FAV_CHILD_NONE,
+ AFR_FAV_CHILD_BY_SIZE,
+ AFR_FAV_CHILD_BY_CTIME,
+ AFR_FAV_CHILD_BY_MTIME,
+ AFR_FAV_CHILD_BY_MAJORITY,
+ AFR_FAV_CHILD_POLICY_MAX,
+} afr_favorite_child_policy;
-#define AFR_COUNT(array,max) ({int __i; int __res = 0; for (__i = 0; __i < max; __i++) if (array[__i]) __res++; __res;})
-#define AFR_INTERSECT(dst,src1,src2,max) ({int __i; for (__i = 0; __i < max; __i++) dst[__i] = src1[__i] && src2[__i];})
-#define AFR_CMP(a1,a2,len) ({int __cmp = 0; int __i; for (__i = 0; __i < len; __i++) if (a1[__i] != a2[__i]) { __cmp = 1; break;} __cmp;})
-#define AFR_IS_ARBITER_BRICK(priv, index) ((priv->arbiter_count == 1) && (index == ARBITER_BRICK_INDEX))
+typedef enum {
+ AFR_SELFHEAL_DATA_FULL = 0,
+ AFR_SELFHEAL_DATA_DIFF,
+ AFR_SELFHEAL_DATA_DYNAMIC,
+} afr_data_self_heal_type_t;
-#define AFR_SET_ERROR_AND_CHECK_SPLIT_BRAIN(ret, errnum) \
- do { \
- local->op_ret = ret; \
- local->op_errno = errnum; \
- if (local->op_errno == EIO) \
- gf_msg (this->name, GF_LOG_ERROR, local->op_errno, \
- AFR_MSG_SPLIT_BRAIN, "Failing %s on gfid %s: " \
- "split-brain observed.", \
- gf_fop_list[local->op], \
- uuid_utoa (local->inode->gfid)); \
- } while (0)
+typedef enum {
+ AFR_CHILD_UNKNOWN = -1,
+ AFR_CHILD_ZERO,
+ AFR_CHILD_ONE,
+ AFR_CHILD_THIN_ARBITER,
+} afr_child_index;
typedef enum {
- AFR_FAV_CHILD_NONE,
- AFR_FAV_CHILD_BY_SIZE,
- AFR_FAV_CHILD_BY_CTIME,
- AFR_FAV_CHILD_BY_MTIME,
- AFR_FAV_CHILD_BY_MAJORITY,
- AFR_FAV_CHILD_POLICY_MAX,
-} afr_favorite_child_policy;
+ TA_WAIT_FOR_NOTIFY_LOCK_REL, /*FOP came after notify domain lock upcall
+ notification and waiting for its release.*/
+ TA_GET_INFO_FROM_TA_FILE, /*FOP needs post-op on ta file to get
+ *info about which brick is bad.*/
+ TA_INFO_IN_MEMORY_SUCCESS, /*Bad brick info is in memory and fop failed
+ *on BAD brick - Success*/
+ TA_INFO_IN_MEMORY_FAILED, /*Bad brick info is in memory and fop failed
+ *on GOOD brick - Failed*/
+ TA_SUCCESS, /*FOP succeeded on both data bricks.*/
+} afr_ta_fop_state_t;
struct afr_nfsd {
- gf_boolean_t iamnfsd;
- uint32_t halo_max_latency_msec;
+ uint32_t halo_max_latency_msec;
+ gf_boolean_t iamnfsd;
};
+typedef struct _afr_lk_heal_info {
+ fd_t *fd;
+ int32_t cmd;
+ struct gf_flock flock;
+ dict_t *xdata_req;
+ unsigned char *locked_nodes;
+ struct list_head pos;
+ gf_lkowner_t lk_owner;
+ pid_t pid;
+ int32_t *child_up_event_gen;
+ int32_t *child_down_event_gen;
+} afr_lk_heal_info_t;
+
typedef struct _afr_private {
- gf_lock_t lock; /* to guard access to child_count, etc */
- unsigned int child_count; /* total number of children */
- unsigned int arbiter_count; /*subset of child_count.
- Has to be 0 or 1.*/
- unsigned int thin_arbiter_count; /* 0 or 1 at the moment.*/
-
- xlator_t **children;
-
- inode_t *root_inode;
- uuid_t ta_gfid; /*For thin arbiter.*/
-
- unsigned char *child_up;
- int64_t *child_latency;
- unsigned char *local;
-
- char **pending_key;
-
- char *data_self_heal; /* on/off/open */
- char * data_self_heal_algorithm; /* name of algorithm */
- unsigned int data_self_heal_window_size; /* max number of pipelined
- read/writes */
-
- struct list_head heal_waiting; /*queue for files that need heal*/
- uint32_t heal_wait_qlen; /*configurable queue length for heal_waiting*/
- int32_t heal_waiters; /* No. of elements currently in wait queue.*/
-
- struct list_head healing;/* queue for files that are undergoing
- background heal*/
- uint32_t background_self_heal_count;/*configurable queue length for
- healing queue*/
- int32_t healers;/* No. of elements currently undergoing background
- heal*/
-
- gf_boolean_t metadata_self_heal; /* on/off */
- gf_boolean_t entry_self_heal; /* on/off */
-
- gf_boolean_t metadata_splitbrain_forced_heal; /* on/off */
- int read_child; /* read-subvolume */
- unsigned int hash_mode; /* for when read_child is not set */
- gf_atomic_t *pending_reads; /*No. of pending read cbks per child.*/
- int favorite_child; /* subvolume to be preferred in resolving
- split-brain cases */
-
- afr_favorite_child_policy fav_child_policy;/*Policy to use for automatic
- resolution of split-brains.*/
-
- unsigned int wait_count; /* # of servers to wait for success */
-
- gf_timer_t *timer; /* launched when parent up is received */
-
- gf_boolean_t optimistic_change_log;
- gf_boolean_t eager_lock;
- gf_boolean_t pre_op_compat; /* on/off */
- uint32_t post_op_delay_secs;
- unsigned int quorum_count;
-
- char vol_uuid[UUID_SIZE + 1];
- int32_t *last_event;
-
- /* @event_generation: Keeps count of number of events received which can
- potentially impact consistency decisions. The events are CHILD_UP
- and CHILD_DOWN, when we have to recalculate the freshness/staleness
- of copies to detect if changes had happened while the other server
- was down. CHILD_DOWN and CHILD_UP can also be received on network
- disconnect/reconnects and not necessarily server going down/up.
- Recalculating freshness/staleness on network events is equally
- important as we might have had a network split brain.
- */
- uint32_t event_generation;
-
- gf_boolean_t choose_local;
- gf_boolean_t did_discovery;
- uint64_t sh_readdir_size;
- gf_boolean_t ensure_durability;
- char *sh_domain;
- char *afr_dirty;
- gf_boolean_t halo_enabled;
-
- uint32_t halo_max_latency_msec;
- uint32_t halo_max_replicas;
- uint32_t halo_min_replicas;
-
- afr_self_heald_t shd;
- struct afr_nfsd nfsd;
-
- gf_boolean_t consistent_metadata;
- uint64_t spb_choice_timeout;
- gf_boolean_t need_heal;
-
- /* pump dependencies */
- void *pump_private;
- gf_boolean_t use_afr_in_pump;
- char *locking_scheme;
- gf_boolean_t full_lock;
- gf_boolean_t esh_granular;
- gf_boolean_t consistent_io;
+ gf_lock_t lock; /* to guard access to child_count, etc */
+ unsigned int child_count; /* total number of children */
+ unsigned int arbiter_count; /*subset of child_count.
+ Has to be 0 or 1.*/
+
+ xlator_t **children;
+
+ inode_t *root_inode;
+
+ int favorite_child; /* subvolume to be preferred in resolving
+ split-brain cases */
+ /* For thin-arbiter. */
+ uuid_t ta_gfid;
+ unsigned int thin_arbiter_count; /* 0 or 1 at the moment.*/
+ int ta_bad_child_index;
+ int ta_event_gen;
+ unsigned int ta_in_mem_txn_count;
+ unsigned int ta_on_wire_txn_count;
+ struct list_head ta_waitq;
+ struct list_head ta_onwireq;
+
+ unsigned char *anon_inode;
+ unsigned char *child_up;
+ unsigned char *halo_child_up;
+ int64_t *child_latency;
+ unsigned char *local;
+
+ char **pending_key;
+
+ afr_data_self_heal_type_t data_self_heal_algorithm;
+ unsigned int data_self_heal_window_size; /* max number of pipelined
+ read/writes */
+
+ struct list_head heal_waiting; /*queue for files that need heal*/
+ uint32_t heal_wait_qlen; /*configurable queue length for heal_waiting*/
+ int32_t heal_waiters; /* No. of elements currently in wait queue.*/
+
+ struct list_head healing; /* queue for files that are undergoing
+ background heal*/
+ uint32_t background_self_heal_count; /*configurable queue length for
+ healing queue*/
+ int32_t healers; /* No. of elements currently undergoing background
+ heal*/
+
+ gf_boolean_t release_ta_notify_dom_lock;
+
+ gf_boolean_t metadata_self_heal; /* on/off */
+ gf_boolean_t entry_self_heal; /* on/off */
+
+ gf_boolean_t metadata_splitbrain_forced_heal; /* on/off */
+ int read_child; /* read-subvolume */
+ gf_atomic_t *pending_reads; /*No. of pending read cbks per child.*/
+
+ gf_timer_t *timer; /* launched when parent up is received */
+
+ unsigned int wait_count; /* # of servers to wait for success */
+
+ unsigned char ta_child_up;
+ gf_boolean_t optimistic_change_log;
+ gf_boolean_t eager_lock;
+ gf_boolean_t pre_op_compat; /* on/off */
+ uint32_t post_op_delay_secs;
+ unsigned int quorum_count;
+
+ off_t ta_notify_dom_lock_offset;
+ afr_favorite_child_policy fav_child_policy; /*Policy to use for automatic
+ resolution of split-brains.*/
+ afr_read_hash_mode_t hash_mode; /* for when read_child is not set */
+
+ int32_t *last_event;
+
+ /* @event_generation: Keeps count of number of events received which can
+ potentially impact consistency decisions. The events are CHILD_UP
+ and CHILD_DOWN, when we have to recalculate the freshness/staleness
+ of copies to detect if changes had happened while the other server
+ was down. CHILD_DOWN and CHILD_UP can also be received on network
+ disconnect/reconnects and not necessarily server going down/up.
+ Recalculating freshness/staleness on network events is equally
+ important as we might have had a network split brain.
+ */
+ uint32_t event_generation;
+ char vol_uuid[UUID_SIZE + 1];
+
+ gf_boolean_t choose_local;
+ gf_boolean_t did_discovery;
+ gf_boolean_t ensure_durability;
+ gf_boolean_t halo_enabled;
+ gf_boolean_t consistent_metadata;
+ gf_boolean_t need_heal;
+ gf_boolean_t granular_locks;
+ uint64_t sh_readdir_size;
+ char *sh_domain;
+ char *afr_dirty;
+
+ uint64_t spb_choice_timeout;
+
+ afr_self_heald_t shd;
+ struct afr_nfsd nfsd;
+
+ uint32_t halo_max_latency_msec;
+ uint32_t halo_max_replicas;
+ uint32_t halo_min_replicas;
+
+ gf_boolean_t full_lock;
+ gf_boolean_t esh_granular;
+ gf_boolean_t consistent_io;
+ gf_boolean_t data_self_heal; /* on/off */
+ gf_boolean_t use_anon_inode;
+
+ /*For lock healing.*/
+ struct list_head saved_locks;
+ struct list_head lk_healq;
+
+ /*For anon-inode handling */
+ char anon_inode_name[NAME_MAX + 1];
+ char anon_gfid_str[UUID_SIZE + 1];
} afr_private_t;
-
typedef enum {
- AFR_DATA_TRANSACTION, /* truncate, write, ... */
- AFR_METADATA_TRANSACTION, /* chmod, chown, ... */
- AFR_ENTRY_TRANSACTION, /* create, rmdir, ... */
- AFR_ENTRY_RENAME_TRANSACTION, /* rename */
+ AFR_DATA_TRANSACTION, /* truncate, write, ... */
+ AFR_METADATA_TRANSACTION, /* chmod, chown, ... */
+ AFR_ENTRY_TRANSACTION, /* create, rmdir, ... */
+ AFR_ENTRY_RENAME_TRANSACTION, /* rename */
} afr_transaction_type;
/*
@@ -193,914 +303,940 @@ typedef enum {
*/
static inline int
-afr_index_for_transaction_type (afr_transaction_type type)
+afr_index_for_transaction_type(afr_transaction_type type)
{
- switch (type) {
-
+ switch (type) {
case AFR_DATA_TRANSACTION:
- return 0;
+ return 0;
case AFR_METADATA_TRANSACTION:
- return 1;
+ return 1;
case AFR_ENTRY_TRANSACTION:
case AFR_ENTRY_RENAME_TRANSACTION:
- return 2;
- }
+ return 2;
+ }
- return -1; /* make gcc happy */
+ return -1; /* make gcc happy */
}
static inline int
-afr_index_from_ia_type (ia_type_t type)
+afr_index_from_ia_type(ia_type_t type)
{
- switch (type) {
+ switch (type) {
case IA_IFDIR:
- return afr_index_for_transaction_type (AFR_ENTRY_TRANSACTION);
+ return afr_index_for_transaction_type(AFR_ENTRY_TRANSACTION);
case IA_IFREG:
- return afr_index_for_transaction_type (AFR_DATA_TRANSACTION);
- default: return -1;
- }
+ return afr_index_for_transaction_type(AFR_DATA_TRANSACTION);
+ default:
+ return -1;
+ }
}
typedef struct {
- loc_t loc;
- char *basename;
- unsigned char *locked_nodes;
- int locked_count;
+ struct gf_flock flock;
+ loc_t loc;
+ fd_t *fd;
+ char *basename;
+ unsigned char *locked_nodes;
+ int locked_count;
-} afr_entry_lockee_t;
+} afr_lockee_t;
int
-afr_entry_lockee_cmp (const void *l1, const void *l2);
+afr_entry_lockee_cmp(const void *l1, const void *l2);
typedef struct {
- loc_t *lk_loc;
+ loc_t *lk_loc;
+
+ afr_lockee_t lockee[AFR_LOCKEE_COUNT_MAX];
- int lockee_count;
- afr_entry_lockee_t lockee[AFR_LOCKEE_COUNT_MAX];
+ const char *lk_basename;
+ const char *lower_basename;
+ const char *higher_basename;
- struct gf_flock flock;
- const char *lk_basename;
- const char *lower_basename;
- const char *higher_basename;
- char lower_locked;
- char higher_locked;
+ unsigned char *lower_locked_nodes;
- unsigned char *locked_nodes;
- unsigned char *lower_locked_nodes;
+ afr_lock_cbk_t lock_cbk;
- int32_t lock_count;
- int32_t entrylk_lock_count;
+ int lockee_count;
- int32_t lk_call_count;
- int32_t lk_expected_count;
- int32_t lk_attempted_count;
+ int32_t lk_call_count;
+ int32_t lk_expected_count;
+ int32_t lk_attempted_count;
- int32_t lock_op_ret;
- int32_t lock_op_errno;
- afr_lock_cbk_t lock_cbk;
- char *domain; /* Domain on which inode/entry lock/unlock in progress.*/
+ int32_t lock_op_ret;
+ int32_t lock_op_errno;
+ char *domain; /* Domain on which inode/entry lock/unlock in progress.*/
+ int32_t lock_count;
+ char lower_locked;
+ char higher_locked;
} afr_internal_lock_t;
struct afr_reply {
- int valid;
- int32_t op_ret;
- int32_t op_errno;
- dict_t *xattr;/*For xattrop*/
- dict_t *xdata;
- struct iatt poststat;
- struct iatt postparent;
- struct iatt prestat;
- struct iatt preparent;
- struct iatt preparent2;
- struct iatt postparent2;
- /* For rchecksum */
- uint8_t checksum[SHA256_DIGEST_LENGTH];
- gf_boolean_t buf_has_zeroes;
- gf_boolean_t fips_mode_rchecksum;
- /* For lookup */
- int8_t need_heal;
+ int valid;
+ int32_t op_ret;
+ dict_t *xattr; /*For xattrop*/
+ dict_t *xdata;
+ struct iatt poststat;
+ struct iatt postparent;
+ struct iatt prestat;
+ struct iatt preparent;
+ struct iatt preparent2;
+ struct iatt postparent2;
+ int32_t op_errno;
+ /* For rchecksum */
+ uint8_t checksum[SHA256_DIGEST_LENGTH];
+ gf_boolean_t buf_has_zeroes;
+ gf_boolean_t fips_mode_rchecksum;
+ /* For lookup */
+ int8_t need_heal;
};
typedef enum {
- AFR_FD_NOT_OPENED,
- AFR_FD_OPENED,
- AFR_FD_OPENING
+ AFR_FD_NOT_OPENED,
+ AFR_FD_OPENED,
+ AFR_FD_OPENING
} afr_fd_open_status_t;
typedef struct {
- afr_fd_open_status_t *opened_on; /* which subvolumes the fd is open on */
- int flags;
-
- /* the subvolume on which the latest sequence of readdirs (starting
- at offset 0) has begun. Till the next readdir request with 0 offset
- arrives, we continue to read off this subvol.
- */
- int readdir_subvol;
+ afr_fd_open_status_t *opened_on; /* which subvolumes the fd is open on */
+ int flags;
+
+ /* the subvolume on which the latest sequence of readdirs (starting
+ at offset 0) has begun. Till the next readdir request with 0 offset
+ arrives, we continue to read off this subvol.
+ */
+ int readdir_subvol;
+ /* lock-healing related members. */
+ gf_boolean_t is_fd_bad;
+ afr_lk_heal_info_t *lk_heal_info;
+
} afr_fd_ctx_t;
typedef enum {
- AFR_FOP_LOCK_PARALLEL,
- AFR_FOP_LOCK_SERIAL,
- AFR_FOP_LOCK_QUORUM_FAILED,
+ AFR_FOP_LOCK_PARALLEL,
+ AFR_FOP_LOCK_SERIAL,
+ AFR_FOP_LOCK_QUORUM_FAILED,
} afr_fop_lock_state_t;
typedef struct _afr_inode_lock_t {
- unsigned int event_generation;
- gf_boolean_t release;
- gf_boolean_t acquired;
- gf_timer_t *delay_timer;
- struct list_head owners; /*Transactions that are performing fop*/
- struct list_head post_op;/*Transactions that are done with the fop
- *So can not conflict with the fops*/
- struct list_head waiting;/*Transaction that are waiting for
- *conflicting transactions to complete*/
- struct list_head frozen;/*Transactions that need to go as part of
- * next batch of eager-lock*/
+ /* @num_inodelks:
+ Number of inodelks queried from the server, as queried through
+ xdata in FOPs. Currently, used to decide if eager-locking must be
+ temporarily disabled.
+ */
+ int32_t num_inodelks;
+ unsigned int event_generation;
+ gf_timer_t *delay_timer;
+ struct list_head owners; /*Transactions that are performing fop*/
+ struct list_head post_op; /*Transactions that are done with the fop
+ *So can not conflict with the fops*/
+ struct list_head waiting; /*Transaction that are waiting for
+ *conflicting transactions to complete*/
+ struct list_head frozen; /*Transactions that need to go as part of
+ * next batch of eager-lock*/
+ gf_boolean_t release;
+ gf_boolean_t acquired;
} afr_lock_t;
typedef struct _afr_inode_ctx {
- uint64_t read_subvol;
- uint64_t write_subvol;
- int lock_count;
- int spb_choice;
- gf_timer_t *timer;
- gf_boolean_t need_refresh;
- unsigned int *pre_op_done[AFR_NUM_CHANGE_LOGS];
- int inherited[AFR_NUM_CHANGE_LOGS];
- int on_disk[AFR_NUM_CHANGE_LOGS];
-
- /* set if any write on this fd was a non stable write
- (i.e, without O_SYNC or O_DSYNC)
- */
- gf_boolean_t witnessed_unstable_write;
-
- /* @open_fd_count:
- Number of open FDs queried from the server, as queried through
- xdata in FOPs. Currently, used to decide if eager-locking must be
- temporarily disabled.
- */
- uint32_t open_fd_count;
- /*Only 2 types of transactions support eager-locks now. DATA/METADATA*/
- afr_lock_t lock[2];
+ uint64_t read_subvol;
+ uint64_t write_subvol;
+ int lock_count;
+ int spb_choice;
+ gf_timer_t *timer;
+ unsigned int *pre_op_done[AFR_NUM_CHANGE_LOGS];
+ int inherited[AFR_NUM_CHANGE_LOGS];
+ int on_disk[AFR_NUM_CHANGE_LOGS];
+ /*Only 2 types of transactions support eager-locks now. DATA/METADATA*/
+ afr_lock_t lock[2];
+
+ /* @open_fd_count:
+ Number of open FDs queried from the server, as queried through
+ xdata in FOPs. Currently, used to decide if eager-locking must be
+ temporarily disabled.
+ */
+ uint32_t open_fd_count;
+ gf_boolean_t need_refresh;
+
+ /* set if any write on this fd was a non stable write
+ (i.e, without O_SYNC or O_DSYNC)
+ */
+ gf_boolean_t witnessed_unstable_write;
} afr_inode_ctx_t;
-
typedef struct _afr_local {
- glusterfs_fop_t op;
- unsigned int call_count;
+ glusterfs_fop_t op;
+ unsigned int call_count;
- /* @event_generation: copy of priv->event_generation taken at the
- time of starting the transaction. The copy is made so that we
- have a stable value through the various phases of the transaction.
- */
- unsigned int event_generation;
+ /* @event_generation: copy of priv->event_generation taken at the
+ time of starting the transaction. The copy is made so that we
+ have a stable value through the various phases of the transaction.
+ */
+ unsigned int event_generation;
- uint32_t open_fd_count;
- gf_boolean_t update_open_fd_count;
+ uint32_t open_fd_count;
+ int32_t num_inodelks;
- gf_lkowner_t saved_lk_owner;
+ int32_t op_ret;
+ int32_t op_errno;
- int32_t op_ret;
- int32_t op_errno;
+ int dirty[AFR_NUM_CHANGE_LOGS];
- int32_t **pending;
+ int32_t **pending;
- int dirty[AFR_NUM_CHANGE_LOGS];
+ loc_t loc;
+ loc_t newloc;
- loc_t loc;
- loc_t newloc;
+ fd_t *fd;
+ afr_fd_ctx_t *fd_ctx;
- fd_t *fd;
- afr_fd_ctx_t *fd_ctx;
+ /* @child_up: copy of priv->child_up taken at the time of transaction
+ start. The copy is taken so that we have a stable child_up array
+ through the phases of the transaction as priv->child_up[i] can keep
+ changing through time.
+ */
+ unsigned char *child_up;
- /* @child_up: copy of priv->child_up taken at the time of transaction
- start. The copy is taken so that we have a stable child_up array
- through the phases of the transaction as priv->child_up[i] can keep
- changing through time.
- */
- unsigned char *child_up;
+ /* @read_attempted:
+ array of flags representing subvolumes where read operations of
+ the read transaction have already been attempted. The array is
+ first pre-filled with down subvolumes, and as reads are performed
+ on other subvolumes, those are set as well. This way if the read
+ operation fails we do not retry on that subvolume again.
+ */
+ unsigned char *read_attempted;
- /* @read_attempted:
- array of flags representing subvolumes where read operations of
- the read transaction have already been attempted. The array is
- first pre-filled with down subvolumes, and as reads are performed
- on other subvolumes, those are set as well. This way if the read
- operation fails we do not retry on that subvolume again.
- */
- unsigned char *read_attempted;
+ /* @readfn:
- /* @readfn:
+ pointer to function which will perform the read operation on a given
+ subvolume. Used in read transactions.
+ */
- pointer to function which will perform the read operation on a given
- subvolume. Used in read transactions.
- */
+ afr_read_txn_wind_t readfn;
- afr_read_txn_wind_t readfn;
+ /* @inode:
- /* @refreshed:
+ the inode on which the read txn is performed on. ref'ed and copied
+ from either fd->inode or loc.inode
+ */
- the inode was "refreshed" (i.e, pending xattrs from all subvols
- freshly inspected and inode ctx updated accordingly) as part of
- this transaction already.
- */
- gf_boolean_t refreshed;
+ inode_t *inode;
- /* @inode:
+ /* @parent[2]:
- the inode on which the read txn is performed on. ref'ed and copied
- from either fd->inode or loc.inode
- */
+ parent inode[s] on which directory transactions are performed.
+ */
- inode_t *inode;
+ inode_t *parent;
+ inode_t *parent2;
- /* @parent[2]:
+ /* @readable:
- parent inode[s] on which directory transactions are performed.
- */
+ array of flags representing servers from which a read can be
+ performed. This is the output of afr_inode_refresh()
+ */
+ unsigned char *readable;
+ unsigned char *readable2; /*For rename transaction*/
- inode_t *parent;
- inode_t *parent2;
+ afr_inode_refresh_cbk_t refreshfn;
- /* @readable:
+ /* @refreshinode:
- array of flags representing servers from which a read can be
- performed. This is the output of afr_inode_refresh()
- */
- unsigned char *readable;
- unsigned char *readable2; /*For rename transaction*/
+ Inode currently getting refreshed.
+ */
+ inode_t *refreshinode;
- int read_subvol; /* Current read subvolume */
+ dict_t *xattr_req;
- afr_inode_refresh_cbk_t refreshfn;
+ dict_t *dict;
- /* @refreshinode:
+ int read_subvol; /* Current read subvolume */
- Inode currently getting refreshed.
- */
- inode_t *refreshinode;
+ int optimistic_change_log;
- /*To handle setattr/setxattr on yet to be linked inode from dht*/
- uuid_t refreshgfid;
+ afr_internal_lock_t internal_lock;
- /*
- @pre_op_compat:
+ /*To handle setattr/setxattr on yet to be linked inode from dht*/
+ uuid_t refreshgfid;
- compatibility mode of pre-op. send a separate pre-op and
- op operations as part of transaction, rather than combining
- */
+ /* @refreshed:
- gf_boolean_t pre_op_compat;
+ the inode was "refreshed" (i.e, pending xattrs from all subvols
+ freshly inspected and inode ctx updated accordingly) as part of
+ this transaction already.
+ */
+ gf_boolean_t refreshed;
- dict_t *xattr_req;
+ gf_boolean_t update_num_inodelks;
+ gf_boolean_t update_open_fd_count;
- afr_internal_lock_t internal_lock;
+ /*
+ @pre_op_compat:
- dict_t *dict;
+ compatibility mode of pre-op. send a separate pre-op and
+ op operations as part of transaction, rather than combining
+ */
- int optimistic_change_log;
+ gf_boolean_t pre_op_compat;
- /* Is the current writev() going to perform a stable write?
- i.e, is fd->flags or @flags writev param have O_SYNC or
- O_DSYNC?
- */
- gf_boolean_t stable_write;
+ /* Is the current writev() going to perform a stable write?
+ i.e, is fd->flags or @flags writev param have O_SYNC or
+ O_DSYNC?
+ */
+ gf_boolean_t stable_write;
- /* This write appended to the file. Nnot necessarily O_APPEND,
- just means the offset of write was at the end of file.
- */
- gf_boolean_t append_write;
+ /* This write appended to the file. Nnot necessarily O_APPEND,
+ just means the offset of write was at the end of file.
+ */
+ gf_boolean_t append_write;
- /*
- This struct contains the arguments for the "continuation"
- (scheme-like) of fops
- */
+ /*
+ This struct contains the arguments for the "continuation"
+ (scheme-like) of fops
+ */
+ struct {
struct {
- struct {
- gf_boolean_t needs_fresh_lookup;
- uuid_t gfid_req;
- } lookup;
-
- struct {
- unsigned char buf_set;
- struct statvfs buf;
- } statfs;
-
- struct {
- int32_t flags;
- fd_t *fd;
- } open;
-
- struct {
- int32_t cmd;
- struct gf_flock user_flock;
- struct gf_flock ret_flock;
- unsigned char *locked_nodes;
- } lk;
-
- /* inode read */
-
- struct {
- int32_t mask;
- int last_index; /* index of the child we tried previously */
- } access;
-
- struct {
- int last_index;
- } stat;
-
- struct {
- int last_index;
- } fstat;
-
- struct {
- size_t size;
- int last_index;
- } readlink;
-
- struct {
- char *name;
- int last_index;
- long xattr_len;
- } getxattr;
-
- struct {
- size_t size;
- off_t offset;
- int last_index;
- uint32_t flags;
- } readv;
-
- /* dir read */
-
- struct {
- int success_count;
- int32_t op_ret;
- int32_t op_errno;
-
- uint32_t *checksum;
- } opendir;
-
- struct {
- int32_t op_ret;
- int32_t op_errno;
- size_t size;
- off_t offset;
- dict_t *dict;
- gf_boolean_t failed;
- int last_index;
- } readdir;
- /* inode write */
-
- struct {
- struct iatt prebuf;
- struct iatt postbuf;
- } inode_wfop; //common structure for all inode-write-fops
-
- struct {
- int32_t op_ret;
-
- struct iovec *vector;
- struct iobref *iobref;
- int32_t count;
- off_t offset;
- uint32_t flags;
- } writev;
-
- struct {
- off_t offset;
- } truncate;
-
- struct {
- off_t offset;
- } ftruncate;
-
- struct {
- struct iatt in_buf;
- int32_t valid;
- } setattr;
-
- struct {
- struct iatt in_buf;
- int32_t valid;
- } fsetattr;
-
- struct {
- dict_t *dict;
- int32_t flags;
- } setxattr;
-
- struct {
- dict_t *dict;
- int32_t flags;
- } fsetxattr;
-
- struct {
- char *name;
- } removexattr;
-
- struct {
- dict_t *xattr;
- gf_xattrop_flags_t optype;
- } xattrop;
-
- /* dir write */
-
- struct {
- inode_t *inode;
- struct iatt buf;
- struct iatt preparent;
- struct iatt postparent;
- struct iatt prenewparent;
- struct iatt postnewparent;
- } dir_fop; //common structure for all dir fops
-
- struct {
- fd_t *fd;
- dict_t *params;
- int32_t flags;
- mode_t mode;
- } create;
-
- struct {
- dev_t dev;
- mode_t mode;
- dict_t *params;
- } mknod;
-
- struct {
- int32_t mode;
- dict_t *params;
- } mkdir;
-
- struct {
- int flags;
- } rmdir;
-
- struct {
- dict_t *params;
- char *linkpath;
- } symlink;
-
- struct {
- int32_t mode;
- off_t offset;
- size_t len;
- } fallocate;
-
- struct {
- off_t offset;
- size_t len;
- } discard;
-
- struct {
- off_t offset;
- off_t len;
- struct iatt prebuf;
- struct iatt postbuf;
- } zerofill;
-
- struct {
- char *volume;
- int32_t cmd;
- int32_t in_cmd;
- struct gf_flock in_flock;
- struct gf_flock flock;
- void *xdata;
- } inodelk;
-
- struct {
- char *volume;
- char *basename;
- entrylk_cmd in_cmd;
- entrylk_cmd cmd;
- entrylk_type type;
- void *xdata;
- } entrylk;
-
- struct {
- off_t offset;
- gf_seek_what_t what;
- } seek;
-
- struct {
- int32_t datasync;
- } fsync;
-
- struct {
- struct gf_lease user_lease;
- struct gf_lease ret_lease;
- unsigned char *locked_nodes;
- } lease;
-
-
- } cont;
+ struct statvfs buf;
+ unsigned char buf_set;
+ } statfs;
struct {
- off_t start, len;
+ fd_t *fd;
+ int32_t flags;
+ } open;
- gf_boolean_t eager_lock_on;
- gf_boolean_t do_eager_unlock;
+ struct {
+ struct gf_flock user_flock;
+ struct gf_flock ret_flock;
+ unsigned char *locked_nodes;
+ int32_t cmd;
+ /*For lock healing only.*/
+ unsigned char *dom_locked_nodes;
+ int32_t *dom_lock_op_ret;
+ int32_t *dom_lock_op_errno;
+ struct gf_flock *getlk_rsp;
+ } lk;
+
+ /* inode read */
- char *basename;
- char *new_basename;
+ struct {
+ int32_t mask;
+ int last_index; /* index of the child we tried previously */
+ } access;
- loc_t parent_loc;
- loc_t new_parent_loc;
+ struct {
+ int last_index;
+ } stat;
- afr_transaction_type type;
+ struct {
+ int last_index;
+ } fstat;
- /* stub to resume on destruction
- of the transaction frame */
- call_stub_t *resume_stub;
+ struct {
+ size_t size;
+ int last_index;
+ } readlink;
- struct list_head owner_list;
- struct list_head wait_list;
+ struct {
+ char *name;
+ long xattr_len;
+ int last_index;
+ } getxattr;
- unsigned char *pre_op;
+ struct {
+ size_t size;
+ off_t offset;
+ int last_index;
+ uint32_t flags;
+ } readv;
- /* Changelog xattr dict for [f]xattrop*/
- dict_t **changelog_xdata;
- unsigned char *pre_op_sources;
+ /* dir read */
- /* @failed_subvols: subvolumes on which a pre-op or a
- FOP failed. */
- unsigned char *failed_subvols;
+ struct {
+ uint32_t *checksum;
+ int success_count;
+ int32_t op_ret;
+ int32_t op_errno;
+ } opendir;
- /* @dirtied: flag which indicates whether we set dirty flag
- in the OP. Typically true when we are performing operation
- on more than one subvol and optimistic changelog is disabled
+ struct {
+ int32_t op_ret;
+ int32_t op_errno;
+ size_t size;
+ off_t offset;
+ dict_t *dict;
+ int last_index;
+ gf_boolean_t failed;
+ } readdir;
+ /* inode write */
- A 'true' value set in @dirtied flag means an 'undirtying'
- has to be done in POST-OP phase.
- */
- gf_boolean_t dirtied;
+ struct {
+ struct iatt prebuf;
+ struct iatt postbuf;
+ } inode_wfop; // common structure for all inode-write-fops
- /* @inherited: flag which indicates that the dirty flags
- of the previous transaction were inherited
- */
- gf_boolean_t inherited;
+ struct {
+ struct iovec *vector;
+ struct iobref *iobref;
+ off_t offset;
+ int32_t op_ret;
+ int32_t count;
+ uint32_t flags;
+ } writev;
- /*
- @no_uninherit: flag which indicates that a pre_op_uninherit()
- must _not_ be attempted (and returned as failure) always. This
- flag is set when a hard pre-op is performed, but not accounted
- for it in fd_ctx->on_disk[]. Such transactions are "isolated"
- from the pre-op piggybacking entirely and therefore uninherit
- must not be attempted.
- */
- gf_boolean_t no_uninherit;
+ struct {
+ off_t offset;
+ } truncate;
- /* @uninherit_done:
- @uninherit_value:
+ struct {
+ off_t offset;
+ } ftruncate;
- The above pair variables make pre_op_uninherit() idempotent.
- Both are FALSE initially. The first call to pre_op_uninherit
- sets @uninherit_done to TRUE and the return value to
- @uninherit_value. Further calls will check for @uninherit_done
- to be TRUE and if so will simply return @uninherit_value.
- */
- gf_boolean_t uninherit_done;
- gf_boolean_t uninherit_value;
+ struct {
+ struct iatt in_buf;
+ int32_t valid;
+ } setattr;
- gf_boolean_t in_flight_sb; /* Indicator for occurrence of
- split-brain while in the middle of
- a txn. */
- int32_t in_flight_sb_errno; /* This is where the cause of the
- failure on the last good copy of
- the file is stored.
- */
+ struct {
+ struct iatt in_buf;
+ int32_t valid;
+ } fsetattr;
- /* @changelog_resume: function to be called after changlogging
- (either pre-op or post-op) is done
- */
- afr_changelog_resume_t changelog_resume;
+ struct {
+ dict_t *dict;
+ int32_t flags;
+ } setxattr;
- call_frame_t *main_frame; /*Fop frame*/
- call_frame_t *frame; /*Transaction frame*/
+ struct {
+ dict_t *dict;
+ int32_t flags;
+ } fsetxattr;
- int (*wind) (call_frame_t *frame, xlator_t *this, int subvol);
+ struct {
+ char *name;
+ } removexattr;
- int (*unwind) (call_frame_t *frame, xlator_t *this);
+ struct {
+ dict_t *xattr;
+ gf_xattrop_flags_t optype;
+ } xattrop;
- /* post-op hook */
- } transaction;
+ /* dir write */
- syncbarrier_t barrier;
+ struct {
+ inode_t *inode;
+ struct iatt buf;
+ struct iatt preparent;
+ struct iatt postparent;
+ struct iatt prenewparent;
+ struct iatt postnewparent;
+ } dir_fop; // common structure for all dir fops
- /* extra data for fops */
- dict_t *xdata_req;
- dict_t *xdata_rsp;
+ struct {
+ fd_t *fd;
+ dict_t *params;
+ int32_t flags;
+ mode_t mode;
+ } create;
- dict_t *xattr_rsp; /*for [f]xattrop*/
+ struct {
+ dict_t *params;
+ dev_t dev;
+ mode_t mode;
+ } mknod;
- mode_t umask;
- int xflag;
- gf_boolean_t do_discovery;
- struct afr_reply *replies;
+ struct {
+ dict_t *params;
+ int32_t mode;
+ } mkdir;
- /* For client side background heals. */
- struct list_head healer;
- call_frame_t *heal_frame;
+ struct {
+ dict_t *params;
+ char *linkpath;
+ } symlink;
- gf_boolean_t need_full_crawl;
- afr_fop_lock_state_t fop_lock_state;
+ struct {
+ off_t offset;
+ size_t len;
+ int32_t mode;
+ } fallocate;
- gf_boolean_t is_read_txn;
- afr_inode_ctx_t *inode_ctx;
-} afr_local_t;
+ struct {
+ off_t offset;
+ size_t len;
+ } discard;
+
+ struct {
+ off_t offset;
+ off_t len;
+ struct iatt prebuf;
+ struct iatt postbuf;
+ } zerofill;
+
+ struct {
+ char *volume;
+ int32_t cmd;
+ int32_t in_cmd;
+ struct gf_flock in_flock;
+ struct gf_flock flock;
+ void *xdata;
+ } inodelk;
+
+ struct {
+ char *volume;
+ char *basename;
+ void *xdata;
+ entrylk_cmd in_cmd;
+ entrylk_cmd cmd;
+ entrylk_type type;
+ } entrylk;
+
+ struct {
+ off_t offset;
+ gf_seek_what_t what;
+ } seek;
+
+ struct {
+ struct gf_lease user_lease;
+ struct gf_lease ret_lease;
+ unsigned char *locked_nodes;
+ } lease;
+
+ struct {
+ int flags;
+ } rmdir;
+
+ struct {
+ int32_t datasync;
+ } fsync;
+
+ struct {
+ uuid_t gfid_req;
+ gf_boolean_t needs_fresh_lookup;
+ } lookup;
+
+ } cont;
+
+ struct {
+ char *basename;
+ char *new_basename;
+
+ loc_t parent_loc;
+ loc_t new_parent_loc;
+
+ /* stub to resume on destruction
+ of the transaction frame */
+ call_stub_t *resume_stub;
+
+ struct list_head owner_list;
+ struct list_head wait_list;
+ unsigned char *pre_op;
+
+ /* Changelog xattr dict for [f]xattrop*/
+ dict_t **changelog_xdata;
+ unsigned char *pre_op_sources;
+
+ /* @failed_subvols: subvolumes on which a pre-op or a
+ FOP failed. */
+ unsigned char *failed_subvols;
+
+ call_frame_t *main_frame; /*Fop frame*/
+ call_frame_t *frame; /*Transaction frame*/
+
+ int (*wind)(call_frame_t *frame, xlator_t *this, int subvol);
+
+ int (*unwind)(call_frame_t *frame, xlator_t *this);
+
+ off_t start, len;
+
+ afr_transaction_type type;
+
+ int32_t in_flight_sb_errno; /* This is where the cause of the
+ failure on the last good copy of
+ the file is stored.
+ */
+
+ /* @changelog_resume: function to be called after changlogging
+ (either pre-op or post-op) is done
+ */
+ afr_changelog_resume_t changelog_resume;
+
+ gf_boolean_t eager_lock_on;
+ gf_boolean_t do_eager_unlock;
+
+ /* @dirtied: flag which indicates whether we set dirty flag
+ in the OP. Typically true when we are performing operation
+ on more than one subvol and optimistic changelog is disabled
+
+ A 'true' value set in @dirtied flag means an 'undirtying'
+ has to be done in POST-OP phase.
+ */
+ gf_boolean_t dirtied;
+
+ /* @inherited: flag which indicates that the dirty flags
+ of the previous transaction were inherited
+ */
+ gf_boolean_t inherited;
+
+ /*
+ @no_uninherit: flag which indicates that a pre_op_uninherit()
+ must _not_ be attempted (and returned as failure) always. This
+ flag is set when a hard pre-op is performed, but not accounted
+ for it in fd_ctx->on_disk[]. Such transactions are "isolated"
+ from the pre-op piggybacking entirely and therefore uninherit
+ must not be attempted.
+ */
+ gf_boolean_t no_uninherit;
+
+ gf_boolean_t in_flight_sb; /* Indicator for occurrence of
+ split-brain while in the middle of
+ a txn. */
+
+ /* @uninherit_done:
+ @uninherit_value:
+
+ The above pair variables make pre_op_uninherit() idempotent.
+ Both are FALSE initially. The first call to pre_op_uninherit
+ sets @uninherit_done to TRUE and the return value to
+ @uninherit_value. Further calls will check for @uninherit_done
+ to be TRUE and if so will simply return @uninherit_value.
+ */
+ gf_boolean_t uninherit_done;
+ gf_boolean_t uninherit_value;
+
+ gf_boolean_t disable_delayed_post_op;
+ } transaction;
+
+ syncbarrier_t barrier;
+
+ /* extra data for fops */
+ dict_t *xdata_req;
+ dict_t *xdata_rsp;
+
+ dict_t *xattr_rsp; /*for [f]xattrop*/
+
+ mode_t umask;
+ int xflag;
+ struct afr_reply *replies;
+
+ /* For client side background heals. */
+ struct list_head healer;
+ call_frame_t *heal_frame;
+
+ afr_inode_ctx_t *inode_ctx;
+
+ /*For thin-arbiter transactions.*/
+ int ta_failed_subvol;
+ int ta_event_gen;
+ struct list_head ta_waitq;
+ struct list_head ta_onwireq;
+ afr_ta_fop_state_t fop_state;
+ afr_fop_lock_state_t fop_lock_state;
+ gf_lkowner_t saved_lk_owner;
+ unsigned char read_txn_query_child;
+ unsigned char ta_child_up;
+ gf_boolean_t do_discovery;
+ gf_boolean_t need_full_crawl;
+ gf_boolean_t is_read_txn;
+ gf_boolean_t is_new_entry;
+} afr_local_t;
typedef struct afr_spbc_timeout {
- call_frame_t *frame;
- gf_boolean_t d_spb;
- gf_boolean_t m_spb;
- loc_t *loc;
- int spb_child_index;
+ call_frame_t *frame;
+ loc_t *loc;
+ int spb_child_index;
+ gf_boolean_t d_spb;
+ gf_boolean_t m_spb;
} afr_spbc_timeout_t;
typedef struct afr_spb_status {
- call_frame_t *frame;
- loc_t *loc;
+ call_frame_t *frame;
+ loc_t *loc;
} afr_spb_status_t;
typedef struct afr_empty_brick_args {
- call_frame_t *frame;
- loc_t loc;
- int empty_index;
- char *op_type;
+ call_frame_t *frame;
+ char *op_type;
+ loc_t loc;
+ int empty_index;
} afr_empty_brick_args_t;
typedef struct afr_read_subvol_args {
- ia_type_t ia_type;
- uuid_t gfid;
+ ia_type_t ia_type;
+ uuid_t gfid;
} afr_read_subvol_args_t;
typedef struct afr_granular_esh_args {
- fd_t *heal_fd;
- xlator_t *xl;
- call_frame_t *frame;
- gf_boolean_t mismatch; /* flag to represent occurrence of type/gfid
- mismatch */
+ fd_t *heal_fd;
+ xlator_t *xl;
+ call_frame_t *frame;
+ gf_boolean_t mismatch; /* flag to represent occurrence of type/gfid
+ mismatch */
} afr_granular_esh_args_t;
int
-afr_inode_get_readable (call_frame_t *frame, inode_t *inode, xlator_t *this,
- unsigned char *readable, int *event_p, int type);
+afr_inode_get_readable(call_frame_t *frame, inode_t *inode, xlator_t *this,
+ unsigned char *readable, int *event_p, int type);
int
-afr_inode_read_subvol_get (inode_t *inode, xlator_t *this,
- unsigned char *data_subvols,
- unsigned char *metadata_subvols,
- int *event_generation);
+afr_inode_read_subvol_get(inode_t *inode, xlator_t *this,
+ unsigned char *data_subvols,
+ unsigned char *metadata_subvols,
+ int *event_generation);
int
-__afr_inode_read_subvol_get (inode_t *inode, xlator_t *this,
- unsigned char *data_subvols,
- unsigned char *metadata_subvols,
- int *event_generation);
+__afr_inode_read_subvol_get(inode_t *inode, xlator_t *this,
+ unsigned char *data_subvols,
+ unsigned char *metadata_subvols,
+ int *event_generation);
int
-__afr_inode_read_subvol_set (inode_t *inode, xlator_t *this,
- unsigned char *data_subvols,
- unsigned char *metadata_subvol,
- int event_generation);
+__afr_inode_read_subvol_set(inode_t *inode, xlator_t *this,
+ unsigned char *data_subvols,
+ unsigned char *metadata_subvol,
+ int event_generation);
+int
+afr_inode_read_subvol_set(inode_t *inode, xlator_t *this,
+ unsigned char *data_subvols,
+ unsigned char *metadata_subvols,
+ int event_generation);
+
int
-afr_inode_read_subvol_set (inode_t *inode, xlator_t *this,
- unsigned char *data_subvols,
- unsigned char *metadata_subvols,
- int event_generation);
+__afr_inode_need_refresh_set(inode_t *inode, xlator_t *this);
int
-afr_inode_event_gen_reset (inode_t *inode, xlator_t *this);
+afr_inode_need_refresh_set(inode_t *inode, xlator_t *this);
int
-afr_read_subvol_select_by_policy (inode_t *inode, xlator_t *this,
- unsigned char *readable,
- afr_read_subvol_args_t *args);
+afr_read_subvol_select_by_policy(inode_t *inode, xlator_t *this,
+ unsigned char *readable,
+ afr_read_subvol_args_t *args);
int
-afr_inode_read_subvol_type_get (inode_t *inode, xlator_t *this,
- unsigned char *readable, int *event_p,
- int type);
+afr_inode_read_subvol_type_get(inode_t *inode, xlator_t *this,
+ unsigned char *readable, int *event_p, int type);
int
-afr_read_subvol_get (inode_t *inode, xlator_t *this, int *subvol_p,
- unsigned char *readables,
- int *event_p, afr_transaction_type type,
- afr_read_subvol_args_t *args);
+afr_read_subvol_get(inode_t *inode, xlator_t *this, int *subvol_p,
+ unsigned char *readables, int *event_p,
+ afr_transaction_type type, afr_read_subvol_args_t *args);
-#define afr_data_subvol_get(i, t, s, r, e, a) \
- afr_read_subvol_get(i, t, s, r, e, AFR_DATA_TRANSACTION, a)
+#define afr_data_subvol_get(i, t, s, r, e, a) \
+ afr_read_subvol_get(i, t, s, r, e, AFR_DATA_TRANSACTION, a)
-#define afr_metadata_subvol_get(i, t, s, r, e, a) \
- afr_read_subvol_get(i, t, s, r, e, AFR_METADATA_TRANSACTION, a)
+#define afr_metadata_subvol_get(i, t, s, r, e, a) \
+ afr_read_subvol_get(i, t, s, r, e, AFR_METADATA_TRANSACTION, a)
int
-afr_inode_refresh (call_frame_t *frame, xlator_t *this, inode_t *inode,
- uuid_t gfid, afr_inode_refresh_cbk_t cbk);
+afr_inode_refresh(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ uuid_t gfid, afr_inode_refresh_cbk_t cbk);
int32_t
-afr_notify (xlator_t *this, int32_t event, void *data, void *data2);
+afr_notify(xlator_t *this, int32_t event, void *data, void *data2);
int
-xattr_is_equal (dict_t *this, char *key1, data_t *value1, void *data);
+xattr_is_equal(dict_t *this, char *key1, data_t *value1, void *data);
int
-afr_init_entry_lockee (afr_entry_lockee_t *lockee, afr_local_t *local,
- loc_t *loc, char *basename, int child_count);
+afr_add_entry_lockee(afr_local_t *local, loc_t *loc, char *basename,
+ int child_count);
+
+int
+afr_add_inode_lockee(afr_local_t *local, int child_count);
void
-afr_entry_lockee_cleanup (afr_internal_lock_t *int_lock);
+afr_lockees_cleanup(afr_internal_lock_t *int_lock);
int
-afr_attempt_lock_recovery (xlator_t *this, int32_t child_index);
+afr_attempt_lock_recovery(xlator_t *this, int32_t child_index);
int
-afr_mark_locked_nodes (xlator_t *this, fd_t *fd,
- unsigned char *locked_nodes);
+afr_mark_locked_nodes(xlator_t *this, fd_t *fd, unsigned char *locked_nodes);
void
-afr_set_lk_owner (call_frame_t *frame, xlator_t *this, void *lk_owner);
+afr_set_lk_owner(call_frame_t *frame, xlator_t *this, void *lk_owner);
int
-afr_set_lock_number (call_frame_t *frame, xlator_t *this);
+afr_set_lock_number(call_frame_t *frame, xlator_t *this);
int32_t
-afr_unlock (call_frame_t *frame, xlator_t *this);
-
-int
-afr_nonblocking_entrylk (call_frame_t *frame, xlator_t *this);
+afr_unlock(call_frame_t *frame, xlator_t *this);
int
-afr_nonblocking_inodelk (call_frame_t *frame, xlator_t *this);
+afr_lock_nonblocking(call_frame_t *frame, xlator_t *this);
int
-afr_blocking_lock (call_frame_t *frame, xlator_t *this);
+afr_blocking_lock(call_frame_t *frame, xlator_t *this);
int
-afr_internal_lock_finish (call_frame_t *frame, xlator_t *this);
+afr_internal_lock_finish(call_frame_t *frame, xlator_t *this);
int
-__afr_fd_ctx_set (xlator_t *this, fd_t *fd);
+__afr_fd_ctx_set(xlator_t *this, fd_t *fd);
afr_fd_ctx_t *
-afr_fd_ctx_get (fd_t *fd, xlator_t *this);
+afr_fd_ctx_get(fd_t *fd, xlator_t *this);
int
-afr_build_parent_loc (loc_t *parent, loc_t *child, int32_t *op_errno);
+afr_build_parent_loc(loc_t *parent, loc_t *child, int32_t *op_errno);
int
-afr_locked_nodes_count (unsigned char *locked_nodes, int child_count);
+afr_locked_nodes_count(unsigned char *locked_nodes, int child_count);
int
-afr_replies_interpret (call_frame_t *frame, xlator_t *this, inode_t *inode,
- gf_boolean_t *start_heal);
+afr_replies_interpret(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ gf_boolean_t *start_heal);
void
-afr_local_replies_wipe (afr_local_t *local, afr_private_t *priv);
+afr_local_replies_wipe(afr_local_t *local, afr_private_t *priv);
void
-afr_local_cleanup (afr_local_t *local, xlator_t *this);
+afr_local_cleanup(afr_local_t *local, xlator_t *this);
int
-afr_frame_return (call_frame_t *frame);
+afr_frame_return(call_frame_t *frame);
int
-afr_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
- fd_t *fd, dict_t *xdata);
+afr_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd, dict_t *xdata);
void
-afr_local_transaction_cleanup (afr_local_t *local, xlator_t *this);
+afr_local_transaction_cleanup(afr_local_t *local, xlator_t *this);
int
-afr_cleanup_fd_ctx (xlator_t *this, fd_t *fd);
-
-#define AFR_STACK_UNWIND(fop, frame, op_ret, op_errno, params ...)\
- do { \
- afr_local_t *__local = NULL; \
- xlator_t *__this = NULL; \
- int32_t __op_ret = 0; \
- int32_t __op_errno = 0; \
- \
- __op_ret = op_ret; \
- __op_errno = op_errno; \
- if (frame) { \
- __local = frame->local; \
- __this = frame->this; \
- afr_handle_inconsistent_fop (frame, &__op_ret,\
- &__op_errno);\
- if (__local && __local->is_read_txn) \
- afr_pending_read_decrement (__this->private, __local->read_subvol); \
- frame->local = NULL; \
- } \
- \
- STACK_UNWIND_STRICT (fop, frame, __op_ret, \
- __op_errno, params); \
- if (__local) { \
- afr_local_cleanup (__local, __this); \
- mem_put (__local); \
- } \
- } while (0)
-
-#define AFR_STACK_DESTROY(frame) \
- do { \
- afr_local_t *__local = NULL; \
- xlator_t *__this = NULL; \
- __local = frame->local; \
- __this = frame->this; \
- frame->local = NULL; \
- STACK_DESTROY (frame->root); \
- if (__local) { \
- afr_local_cleanup (__local, __this); \
- mem_put (__local); \
- } \
- } while (0);
-
-#define AFR_FRAME_INIT(frame, op_errno) \
- ({frame->local = mem_get0 (THIS->local_pool); \
- if (afr_local_init (frame->local, THIS->private, &op_errno)) { \
- afr_local_cleanup (frame->local, THIS); \
- mem_put (frame->local); \
- frame->local = NULL; }; \
- frame->local; })
-
-#define AFR_STACK_RESET(frame) \
- do { \
- afr_local_t *__local = NULL; \
- xlator_t *__this = NULL; \
- __local = frame->local; \
- __this = frame->this; \
- frame->local = NULL; \
- int __opr; \
- STACK_RESET (frame->root); \
- if (__local) { \
- afr_local_cleanup (__local, __this); \
- mem_put (__local); \
- } \
- AFR_FRAME_INIT (frame, __opr); \
- } while (0)
+afr_cleanup_fd_ctx(xlator_t *this, fd_t *fd);
+
+#define AFR_STACK_UNWIND(fop, frame, op_ret, op_errno, params...) \
+ do { \
+ afr_local_t *__local = NULL; \
+ xlator_t *__this = NULL; \
+ int32_t __op_ret = 0; \
+ int32_t __op_errno = 0; \
+ \
+ __op_ret = op_ret; \
+ __op_errno = op_errno; \
+ if (frame) { \
+ __local = frame->local; \
+ __this = frame->this; \
+ afr_handle_inconsistent_fop(frame, &__op_ret, &__op_errno); \
+ if (__local && __local->is_read_txn) \
+ afr_pending_read_decrement(__this->private, \
+ __local->read_subvol); \
+ if (__local && __local->xdata_req && \
+ afr_is_lock_mode_mandatory(__local->xdata_req)) \
+ afr_dom_lock_release(frame); \
+ frame->local = NULL; \
+ } \
+ \
+ STACK_UNWIND_STRICT(fop, frame, __op_ret, __op_errno, params); \
+ if (__local) { \
+ afr_local_cleanup(__local, __this); \
+ mem_put(__local); \
+ } \
+ } while (0)
+
+#define AFR_STACK_DESTROY(frame) \
+ do { \
+ afr_local_t *__local = NULL; \
+ xlator_t *__this = NULL; \
+ __local = frame->local; \
+ __this = frame->this; \
+ frame->local = NULL; \
+ STACK_DESTROY(frame->root); \
+ if (__local) { \
+ afr_local_cleanup(__local, __this); \
+ mem_put(__local); \
+ } \
+ } while (0);
+
+#define AFR_FRAME_INIT(frame, op_errno) \
+ ({ \
+ frame->local = mem_get0(THIS->local_pool); \
+ if (afr_local_init(frame->local, frame->this->private, &op_errno)) { \
+ afr_local_cleanup(frame->local, frame->this); \
+ mem_put(frame->local); \
+ frame->local = NULL; \
+ }; \
+ frame->local; \
+ })
+
+#define AFR_STACK_RESET(frame) \
+ do { \
+ afr_local_t *__local = NULL; \
+ xlator_t *__this = NULL; \
+ __local = frame->local; \
+ __this = frame->this; \
+ frame->local = NULL; \
+ int __opr; \
+ STACK_RESET(frame->root); \
+ if (__local) { \
+ afr_local_cleanup(__local, __this); \
+ mem_put(__local); \
+ } \
+ AFR_FRAME_INIT(frame, __opr); \
+ } while (0)
/* allocate and return a string that is the basename of argument */
static inline char *
-AFR_BASENAME (const char *str)
+AFR_BASENAME(const char *str)
{
- char *__tmp_str = NULL;
- char *__basename_str = NULL;
- __tmp_str = gf_strdup (str);
- __basename_str = gf_strdup (basename (__tmp_str));
- GF_FREE (__tmp_str);
- return __basename_str;
+ char *__tmp_str = NULL;
+ char *__basename_str = NULL;
+ __tmp_str = gf_strdup(str);
+ __basename_str = gf_strdup(basename(__tmp_str));
+ GF_FREE(__tmp_str);
+ return __basename_str;
}
call_frame_t *
-afr_copy_frame (call_frame_t *base);
+afr_copy_frame(call_frame_t *base);
int
-afr_transaction_local_init (afr_local_t *local, xlator_t *this);
+afr_transaction_local_init(afr_local_t *local, xlator_t *this);
int32_t
-afr_marker_getxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *name,afr_local_t *local, afr_private_t *priv );
+afr_marker_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, afr_local_t *local, afr_private_t *priv);
int
-afr_local_init (afr_local_t *local, afr_private_t *priv, int32_t *op_errno);
+afr_local_init(afr_local_t *local, afr_private_t *priv, int32_t *op_errno);
int
-afr_internal_lock_init (afr_internal_lock_t *lk, size_t child_count);
+afr_internal_lock_init(afr_internal_lock_t *lk, size_t child_count);
int
-afr_higher_errno (int32_t old_errno, int32_t new_errno);
+afr_higher_errno(int32_t old_errno, int32_t new_errno);
int
-afr_final_errno (afr_local_t *local, afr_private_t *priv);
+afr_final_errno(afr_local_t *local, afr_private_t *priv);
int
-afr_xattr_req_prepare (xlator_t *this, dict_t *xattr_req);
+afr_xattr_req_prepare(xlator_t *this, dict_t *xattr_req);
void
-afr_fix_open (fd_t *fd, xlator_t *this);
+afr_fix_open(fd_t *fd, xlator_t *this);
afr_fd_ctx_t *
-afr_fd_ctx_get (fd_t *fd, xlator_t *this);
+afr_fd_ctx_get(fd_t *fd, xlator_t *this);
void
-afr_set_low_priority (call_frame_t *frame);
+afr_set_low_priority(call_frame_t *frame);
int
-afr_child_fd_ctx_set (xlator_t *this, fd_t *fd, int32_t child,
- int flags);
+afr_child_fd_ctx_set(xlator_t *this, fd_t *fd, int32_t child, int flags);
void
-afr_matrix_cleanup (int32_t **pending, unsigned int m);
+afr_matrix_cleanup(int32_t **pending, unsigned int m);
-int32_t**
-afr_matrix_create (unsigned int m, unsigned int n);
+int32_t **
+afr_matrix_create(unsigned int m, unsigned int n);
-int**
-afr_mark_pending_changelog (afr_private_t *priv, unsigned char *pending,
- dict_t *xattr, ia_type_t iat);
+int **
+afr_mark_pending_changelog(afr_private_t *priv, unsigned char *pending,
+ dict_t *xattr, ia_type_t iat);
void
-afr_filter_xattrs (dict_t *xattr);
+afr_filter_xattrs(dict_t *xattr);
/*
* Special value indicating we should use the "auto" quorum method instead of
@@ -1109,124 +1245,179 @@ afr_filter_xattrs (dict_t *xattr);
#define AFR_QUORUM_AUTO INT_MAX
int
-afr_fd_report_unstable_write (xlator_t *this, afr_local_t *local);
+afr_fd_report_unstable_write(xlator_t *this, afr_local_t *local);
gf_boolean_t
-afr_fd_has_witnessed_unstable_write (xlator_t *this, inode_t *inode);
+afr_fd_has_witnessed_unstable_write(xlator_t *this, inode_t *inode);
void
-afr_reply_wipe (struct afr_reply *reply);
+afr_reply_wipe(struct afr_reply *reply);
void
-afr_replies_wipe (struct afr_reply *replies, int count);
+afr_replies_wipe(struct afr_reply *replies, int count);
gf_boolean_t
-afr_xattrs_are_equal (dict_t *dict1, dict_t *dict2);
+afr_xattrs_are_equal(dict_t *dict1, dict_t *dict2);
gf_boolean_t
-afr_is_xattr_ignorable (char *key);
+afr_is_xattr_ignorable(char *key);
int
-afr_get_heal_info (call_frame_t *frame, xlator_t *this, loc_t *loc);
+afr_get_heal_info(call_frame_t *frame, xlator_t *this, loc_t *loc);
int
afr_heal_splitbrain_file(call_frame_t *frame, xlator_t *this, loc_t *loc);
int
-afr_get_split_brain_status (void *opaque);
+afr_get_split_brain_status(void *opaque);
int
-afr_get_split_brain_status_cbk (int ret, call_frame_t *frame, void *opaque);
+afr_get_split_brain_status_cbk(int ret, call_frame_t *frame, void *opaque);
int
-afr_inode_split_brain_choice_set (inode_t *inode, xlator_t *this,
- int spb_choice);
+afr_inode_split_brain_choice_set(inode_t *inode, xlator_t *this,
+ int spb_choice);
int
-afr_inode_split_brain_choice_get (inode_t *inode, xlator_t *this,
- int *spb_choice);
+afr_split_brain_read_subvol_get(inode_t *inode, xlator_t *this,
+ call_frame_t *frame, int *spb_subvol);
int
-afr_get_child_index_from_name (xlator_t *this, char *name);
+afr_get_child_index_from_name(xlator_t *this, char *name);
int
-afr_is_split_brain (call_frame_t *frame, xlator_t *this, inode_t *inode,
- uuid_t gfid, gf_boolean_t *d_spb, gf_boolean_t *m_spb);
+afr_is_split_brain(call_frame_t *frame, xlator_t *this, inode_t *inode,
+ uuid_t gfid, gf_boolean_t *d_spb, gf_boolean_t *m_spb);
int
-afr_spb_choice_timeout_cancel (xlator_t *this, inode_t *inode);
+afr_spb_choice_timeout_cancel(xlator_t *this, inode_t *inode);
int
-afr_set_split_brain_choice (int ret, call_frame_t *frame, void *opaque);
+afr_set_split_brain_choice(int ret, call_frame_t *frame, void *opaque);
gf_boolean_t
-afr_get_need_heal (xlator_t *this);
+afr_get_need_heal(xlator_t *this);
void
-afr_set_need_heal (xlator_t *this, afr_local_t *local);
+afr_set_need_heal(xlator_t *this, afr_local_t *local);
int
-afr_selfheal_data_open (xlator_t *this, inode_t *inode, fd_t **fd);
+afr_selfheal_data_open(xlator_t *this, inode_t *inode, fd_t **fd);
int
-afr_get_msg_id (char *op_type);
+afr_get_msg_id(char *op_type);
int
-afr_set_in_flight_sb_status (xlator_t *this, call_frame_t *frame,
- inode_t *inode);
+afr_set_in_flight_sb_status(xlator_t *this, call_frame_t *frame,
+ inode_t *inode);
int32_t
-afr_quorum_errno (afr_private_t *priv);
+afr_quorum_errno(afr_private_t *priv);
gf_boolean_t
-afr_is_consistent_io_possible (afr_local_t *local, afr_private_t *priv,
- int32_t *op_errno);
+afr_is_consistent_io_possible(afr_local_t *local, afr_private_t *priv,
+ int32_t *op_errno);
void
-afr_handle_inconsistent_fop (call_frame_t *frame, int32_t *op_ret,
- int32_t *op_errno);
+afr_handle_inconsistent_fop(call_frame_t *frame, int32_t *op_ret,
+ int32_t *op_errno);
void
-afr_inode_write_fill (call_frame_t *frame, xlator_t *this, int child_index,
+afr_inode_write_fill(call_frame_t *frame, xlator_t *this, int child_index,
int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
struct iatt *postbuf, dict_t *xdata);
void
-afr_process_post_writev (call_frame_t *frame, xlator_t *this);
+afr_process_post_writev(call_frame_t *frame, xlator_t *this);
void
-afr_writev_unwind (call_frame_t *frame, xlator_t *this);
+afr_writev_unwind(call_frame_t *frame, xlator_t *this);
void
-afr_writev_copy_outvars (call_frame_t *src_frame, call_frame_t *dst_frame);
+afr_writev_copy_outvars(call_frame_t *src_frame, call_frame_t *dst_frame);
void
-afr_update_uninodelk (afr_local_t *local, afr_internal_lock_t *int_lock,
- int32_t child_index);
-int
-afr_is_inodelk_transaction(afr_transaction_type type);
-
+afr_update_uninodelk(afr_local_t *local, afr_internal_lock_t *int_lock,
+ int32_t child_index);
afr_fd_ctx_t *
-__afr_fd_ctx_get (fd_t *fd, xlator_t *this);
+__afr_fd_ctx_get(fd_t *fd, xlator_t *this);
gf_boolean_t
-afr_is_inode_refresh_reqd (inode_t *inode, xlator_t *this,
- int event_gen1, int event_gen2);
+afr_is_inode_refresh_reqd(inode_t *inode, xlator_t *this, int event_gen1,
+ int event_gen2);
int
-afr_serialize_xattrs_with_delimiter (call_frame_t *frame, xlator_t *this,
- char *buf, const char *default_str,
- int32_t *serz_len, char delimiter);
+afr_serialize_xattrs_with_delimiter(call_frame_t *frame, xlator_t *this,
+ char *buf, const char *default_str,
+ int32_t *serz_len, char delimiter);
gf_boolean_t
-afr_is_symmetric_error (call_frame_t *frame, xlator_t *this);
+afr_is_symmetric_error(call_frame_t *frame, xlator_t *this);
int
-__afr_inode_ctx_get (xlator_t *this, inode_t *inode, afr_inode_ctx_t **ctx);
+__afr_inode_ctx_get(xlator_t *this, inode_t *inode, afr_inode_ctx_t **ctx);
uint64_t
-afr_write_subvol_get (call_frame_t *frame, xlator_t *this);
+afr_write_subvol_get(call_frame_t *frame, xlator_t *this);
+
+int
+afr_write_subvol_set(call_frame_t *frame, xlator_t *this);
int
-afr_write_subvol_set (call_frame_t *frame, xlator_t *this);
+afr_write_subvol_reset(call_frame_t *frame, xlator_t *this);
int
-afr_write_subvol_reset (call_frame_t *frame, xlator_t *this);
+afr_set_inode_local(xlator_t *this, afr_local_t *local, inode_t *inode);
int
-afr_set_inode_local (xlator_t *this, afr_local_t *local, inode_t *inode);
+afr_fill_ta_loc(xlator_t *this, loc_t *loc, gf_boolean_t is_gfid_based_fop);
+
+int
+afr_ta_post_op_lock(xlator_t *this, loc_t *loc);
+
+int
+afr_ta_post_op_unlock(xlator_t *this, loc_t *loc);
+
+gf_boolean_t
+afr_is_pending_set(xlator_t *this, dict_t *xdata, int type);
+
+int
+__afr_get_up_children_count(afr_private_t *priv);
+
+call_frame_t *
+afr_ta_frame_create(xlator_t *this);
+
+gf_boolean_t
+afr_ta_has_quorum(afr_private_t *priv, afr_local_t *local);
+
+void
+afr_ta_lock_release_synctask(xlator_t *this);
+
+void
+afr_ta_locked_priv_invalidate(afr_private_t *priv);
+
+gf_boolean_t
+afr_lookup_has_quorum(call_frame_t *frame,
+ const unsigned int up_children_count);
+
+void
+afr_mark_new_entry_changelog(call_frame_t *frame, xlator_t *this);
+
+void
+afr_handle_replies_quorum(call_frame_t *frame, xlator_t *this);
+
+gf_boolean_t
+afr_ta_dict_contains_pending_xattr(dict_t *dict, afr_private_t *priv,
+ int child);
+
+void
+afr_selfheal_childup(xlator_t *this, afr_private_t *priv);
+
+gf_boolean_t
+afr_is_lock_mode_mandatory(dict_t *xdata);
+
+void
+afr_dom_lock_release(call_frame_t *frame);
+
+void
+afr_fill_success_replies(afr_local_t *local, afr_private_t *priv,
+ unsigned char *replies);
+
+gf_boolean_t
+afr_is_private_directory(afr_private_t *priv, uuid_t pargfid, const char *name,
+ pid_t pid);
#endif /* __AFR_H__ */
diff --git a/xlators/cluster/dht/src/Makefile.am b/xlators/cluster/dht/src/Makefile.am
index 59f87cf7bdc..56f1f2ad7c8 100644
--- a/xlators/cluster/dht/src/Makefile.am
+++ b/xlators/cluster/dht/src/Makefile.am
@@ -1,7 +1,4 @@
xlator_LTLIBRARIES = dht.la nufa.la switch.la
-if BUILD_GFDB
- xlator_LTLIBRARIES += tier.la
-endif
AM_CFLAGS = -Wall $(GF_CFLAGS)
@@ -16,45 +13,28 @@ dht_la_SOURCES = $(dht_common_source) dht.c
nufa_la_SOURCES = $(dht_common_source) nufa.c
switch_la_SOURCES = $(dht_common_source) switch.c
-tier_la_SOURCES = $(dht_common_source) tier.c tier-common.c
-dht_la_LDFLAGS = -module -avoid-version \
- -export-symbols $(top_srcdir)/xlators/cluster/dht/src/dht.sym \
- $(GF_NO_UNDEFINED)
+dht_la_LDFLAGS = -module $(GF_XLATOR_DEFAULT_LDFLAGS)
dht_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-nufa_la_LDFLAGS = -module -avoid-version \
- -export-symbols $(top_srcdir)/xlators/cluster/dht/src/nufa.sym \
- $(GF_NO_UNDEFINED)
+nufa_la_LDFLAGS = -module $(GF_XLATOR_DEFAULT_LDFLAGS)
nufa_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-switch_la_LDFLAGS = -module -avoid-version
- -export-symbols $(top_srcdir)/xlators/cluster/dht/src/switch.sym \
- $(GF_NO_UNDEFINED)
+switch_la_LDFLAGS = -module $(GF_XLATOR_DEFAULT_LDFLAGS)
switch_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-tier_la_LDFLAGS = -module -avoid-version \
- -export-symbols $(top_srcdir)/xlators/cluster/dht/src/tier.sym \
- $(GF_NO_UNDEFINED)
-tier_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-
noinst_HEADERS = dht-common.h dht-mem-types.h dht-messages.h \
- dht-lock.h tier-common.h tier.h \
- $(top_builddir)/xlators/lib/src/libxlator.h
+ dht-lock.h $(top_builddir)/xlators/lib/src/libxlator.h
AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \
- -I$(top_srcdir)/libglusterfs/src/gfdb \
-I$(top_srcdir)/rpc/xdr/src -I$(top_builddir)/rpc/xdr/src \
-I$(top_srcdir)/rpc/rpc-lib/src \
-I$(top_srcdir)/xlators/lib/src \
-DDATADIR=\"$(localstatedir)\" \
- -DLIBDIR=\"$(libdir)\" \
- -DLIBGFDB_VERSION=\"$(LIBGFDB_VERSION)\"
+ -DLIBDIR=\"$(libdir)\"
CLEANFILES =
-EXTRA_DIST = dht.sym nufa.sym switch.sym tier.sym
-
uninstall-local:
rm -f $(DESTDIR)$(xlatordir)/distribute.so
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index 1d6564cb962..8ba0cc4c732 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -8,277 +8,209 @@
cases as published by the Free Software Foundation.
*/
-
/* TODO: add NS locking */
-#include "glusterfs.h"
-#include "xlator.h"
#include "libxlator.h"
#include "dht-common.h"
#include "dht-lock.h"
-#include "defaults.h"
-#include "byte-order.h"
-#include "quota-common-utils.h"
-#include "upcall-utils.h"
+#include <glusterfs/byte-order.h>
+#include <glusterfs/quota-common-utils.h>
+#include <glusterfs/upcall-utils.h>
+#include "glusterfs/compat-errno.h" // for ENODATA on BSD
+#include <glusterfs/common-utils.h>
#include <sys/time.h>
#include <libgen.h>
#include <signal.h>
-int run_defrag = 0;
-
-
-
-int dht_link2 (xlator_t *this, xlator_t *dst_node, call_frame_t *frame,
- int ret);
-
-int
-dht_removexattr2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame,
- int ret);
-
-int
-dht_setxattr2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame,
- int ret);
-
-
-int
-dht_rmdir_readdirp_do (call_frame_t *readdirp_frame, xlator_t *this);
-
-
-int
-dht_common_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict,
- dict_t *xdata);
+static int
+dht_rmdir_readdirp_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *entries,
+ dict_t *xdata);
-int
-dht_set_file_xattr_req (xlator_t *this, loc_t *loc, dict_t *xattr_req);
+static int
+dht_link2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
-int
-dht_set_dir_xattr_req (xlator_t *this, loc_t *loc, dict_t *xattr_req);
+static int
+dht_set_dir_xattr_req(xlator_t *this, loc_t *loc, dict_t *xattr_req);
-int
-dht_do_fresh_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc);
+static int
+dht_lookup_everywhere_done(call_frame_t *frame, xlator_t *this);
+static int
+dht_common_mark_mdsxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata);
-/* Sets the blocks and size values to fixed values. This is to be called
- * only for dirs. The caller is responsible for checking the type
- */
-int32_t dht_set_fixed_dir_stat (struct iatt *stat)
-{
- if (stat) {
- stat->ia_blocks = DHT_DIR_STAT_BLOCKS;
- stat->ia_size = DHT_DIR_STAT_SIZE;
- return 0;
- }
- return -1;
-}
+static int
+dht_rmdir_unlock(call_frame_t *frame, xlator_t *this);
+static const char *dht_dbg_vxattrs[] = {DHT_DBG_HASHED_SUBVOL_PATTERN, NULL};
-/* Set both DHT_IATT_IN_XDATA_KEY and DHT_MODE_IN_XDATA_KEY
- * Use DHT_MODE_IN_XDATA_KEY if available. Else fall back to
- * DHT_IATT_IN_XDATA_KEY
- */
-int dht_request_iatt_in_xdata (xlator_t *this, dict_t *xattr_req)
+/* Check the xdata to make sure EBADF has been set by client xlator */
+int32_t
+dht_check_remote_fd_failed_error(dht_local_t *local, int op_ret, int op_errno)
{
- int ret = -1;
-
- ret = dict_set_int8 (xattr_req, DHT_MODE_IN_XDATA_KEY, 1);
- ret = dict_set_int8 (xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
-
- /* At least one call succeeded */
- return ret;
+ if (op_ret == -1 && (op_errno == EBADF || op_errno == EBADFD) &&
+ !(local->fd_checked)) {
+ return 1;
+ }
+ return 0;
}
-
-/* Get both DHT_IATT_IN_XDATA_KEY and DHT_MODE_IN_XDATA_KEY
- * Use DHT_MODE_IN_XDATA_KEY if available, else fall back to
- * DHT_IATT_IN_XDATA_KEY
- * This will return a dummy iatt with only the mode and type set
+/* Sets the blocks and size values to fixed values. This is to be called
+ * only for dirs. The caller is responsible for checking the type
*/
-int dht_read_iatt_from_xdata (xlator_t *this, dict_t *xdata,
- struct iatt *stbuf)
+int32_t
+dht_set_fixed_dir_stat(struct iatt *stat)
{
- int ret = -1;
- int32_t mode = 0;
-
- ret = dict_get_int32 (xdata, DHT_MODE_IN_XDATA_KEY, &mode);
-
- if (ret) {
- ret = dict_get_bin (xdata, DHT_IATT_IN_XDATA_KEY,
- (void **)&stbuf);
- } else {
- stbuf->ia_prot = ia_prot_from_st_mode (mode);
- stbuf->ia_type = ia_type_from_st_mode (mode);
- }
-
- return ret;
+ if (stat) {
+ stat->ia_blocks = DHT_DIR_STAT_BLOCKS;
+ stat->ia_size = DHT_DIR_STAT_SIZE;
+ return 0;
+ }
+ return -1;
}
-
-
-int
-dht_rmdir_unlock (call_frame_t *frame, xlator_t *this);
-
-char *xattrs_to_heal[] = {
- "user.",
- POSIX_ACL_ACCESS_XATTR,
- POSIX_ACL_DEFAULT_XATTR,
- QUOTA_LIMIT_KEY,
- QUOTA_LIMIT_OBJECTS_KEY,
- GF_SELINUX_XATTR_KEY,
- NULL
-};
-
-
-char *dht_dbg_vxattrs[] = {
- DHT_DBG_HASHED_SUBVOL_KEY,
- NULL
-};
-
/* Return true if key exists in array
-*/
+ */
static gf_boolean_t
-dht_match_xattr (const char *key)
+dht_match_xattr(const char *key)
{
- return gf_get_index_by_elem (xattrs_to_heal, (char *)key) >= 0;
-}
+ char **xattrs_to_heal = get_xattrs_to_heal();
-int
-dht_aggregate_quota_xattr (dict_t *dst, char *key, data_t *value)
-{
- int ret = -1;
- quota_meta_t *meta_dst = NULL;
- quota_meta_t *meta_src = NULL;
- int64_t *size = NULL;
- int64_t dst_dir_count = 0;
- int64_t src_dir_count = 0;
-
- if (value == NULL) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_DATA_NULL, "data value is NULL");
- ret = -1;
- goto out;
- }
+ return gf_get_index_by_elem(xattrs_to_heal, (char *)key) >= 0;
+}
- ret = dict_get_bin (dst, key, (void **)&meta_dst);
+static int
+dht_aggregate_quota_xattr(dict_t *dst, char *key, data_t *value)
+{
+ int ret = -1;
+ quota_meta_t *meta_dst = NULL;
+ quota_meta_t *meta_src = NULL;
+ int64_t *size = NULL;
+ int64_t dst_dir_count = 0;
+ int64_t src_dir_count = 0;
+
+ if (value == NULL) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_DATA_NULL,
+ "data value is NULL");
+ ret = -1;
+ goto out;
+ }
+
+ ret = dict_get_bin(dst, key, (void **)&meta_dst);
+ if (ret < 0) {
+ meta_dst = GF_CALLOC(1, sizeof(quota_meta_t), gf_common_quota_meta_t);
+ if (meta_dst == NULL) {
+ gf_msg("dht", GF_LOG_WARNING, ENOMEM, DHT_MSG_NO_MEMORY,
+ "Memory allocation failed");
+ ret = -1;
+ goto out;
+ }
+ ret = dict_set_bin(dst, key, meta_dst, sizeof(quota_meta_t));
if (ret < 0) {
- meta_dst = GF_CALLOC (1, sizeof (quota_meta_t),
- gf_common_quota_meta_t);
- if (meta_dst == NULL) {
- gf_msg ("dht", GF_LOG_WARNING, ENOMEM,
- DHT_MSG_NO_MEMORY,
- "Memory allocation failed");
- ret = -1;
- goto out;
- }
- ret = dict_set_bin (dst, key, meta_dst,
- sizeof (quota_meta_t));
- if (ret < 0) {
- gf_msg ("dht", GF_LOG_WARNING, EINVAL,
- DHT_MSG_DICT_SET_FAILED,
- "dht aggregate dict set failed");
- GF_FREE (meta_dst);
- ret = -1;
- goto out;
- }
+ gf_msg("dht", GF_LOG_WARNING, EINVAL, DHT_MSG_DICT_SET_FAILED,
+ "dht aggregate dict set failed");
+ GF_FREE(meta_dst);
+ ret = -1;
+ goto out;
}
+ }
- if (value->len > sizeof (int64_t)) {
- meta_src = data_to_bin (value);
+ if (value->len > sizeof(int64_t)) {
+ meta_src = data_to_bin(value);
- meta_dst->size = hton64 (ntoh64 (meta_dst->size) +
- ntoh64 (meta_src->size));
- meta_dst->file_count = hton64 (ntoh64 (meta_dst->file_count) +
- ntoh64 (meta_src->file_count));
+ meta_dst->size = hton64(ntoh64(meta_dst->size) +
+ ntoh64(meta_src->size));
+ meta_dst->file_count = hton64(ntoh64(meta_dst->file_count) +
+ ntoh64(meta_src->file_count));
- if (value->len > (2 * sizeof (int64_t))) {
- dst_dir_count = ntoh64 (meta_dst->dir_count);
- src_dir_count = ntoh64 (meta_src->dir_count);
+ if (value->len > (2 * sizeof(int64_t))) {
+ dst_dir_count = ntoh64(meta_dst->dir_count);
+ src_dir_count = ntoh64(meta_src->dir_count);
- if (src_dir_count > dst_dir_count)
- meta_dst->dir_count = meta_src->dir_count;
- } else {
- meta_dst->dir_count = 0;
- }
+ if (src_dir_count > dst_dir_count)
+ meta_dst->dir_count = meta_src->dir_count;
} else {
- size = data_to_bin (value);
- meta_dst->size = hton64 (ntoh64 (meta_dst->size) +
- ntoh64 (*size));
+ meta_dst->dir_count = 0;
}
+ } else {
+ size = data_to_bin(value);
+ meta_dst->size = hton64(ntoh64(meta_dst->size) + ntoh64(*size));
+ }
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
-
-int add_opt(char **optsp, const char *opt)
-{
- char *newopts = NULL;
- unsigned oldsize = 0;
- unsigned newsize = 0;
-
- if (*optsp == NULL)
- newopts = gf_strdup (opt);
- else {
- oldsize = strlen (*optsp);
- newsize = oldsize + 1 + strlen (opt) + 1;
- newopts = GF_REALLOC (*optsp, newsize);
- if (newopts)
- sprintf (newopts + oldsize, ",%s", opt);
- }
- if (newopts == NULL) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_NO_MEMORY,
- "Error to add choices in buffer in add_opt");
- return -1;
- }
- *optsp = newopts;
- return 0;
+static int
+add_opt(char **optsp, const char *opt)
+{
+ char *newopts = NULL;
+ unsigned oldsize = 0;
+ unsigned newsize = 0;
+
+ if (*optsp == NULL)
+ newopts = gf_strdup(opt);
+ else {
+ oldsize = strlen(*optsp);
+ newsize = oldsize + 1 + strlen(opt) + 1;
+ newopts = GF_REALLOC(*optsp, newsize);
+ if (newopts)
+ sprintf(newopts + oldsize, ",%s", opt);
+ }
+ if (newopts == NULL) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_NO_MEMORY,
+ "Error to add choices in buffer in add_opt");
+ return -1;
+ }
+ *optsp = newopts;
+ return 0;
}
/* Return Choice list from Split brain status */
static char *
-getChoices (const char *value)
+getChoices(const char *value)
{
- int i = 0;
- char *ptr = NULL;
- char *tok = NULL;
- char *result = NULL;
- char *newval = NULL;
+ int i = 0;
+ char *ptr = NULL;
+ char *tok = NULL;
+ char *result = NULL;
+ char *newval = NULL;
- ptr = strstr (value, "Choices:");
- if (!ptr) {
- result = ptr;
- goto out;
- }
+ ptr = strstr(value, "Choices:");
+ if (!ptr) {
+ result = ptr;
+ goto out;
+ }
- newval = gf_strdup (ptr);
- if (!newval) {
- result = newval;
- goto out;
- }
+ newval = gf_strdup(ptr);
+ if (!newval) {
+ result = newval;
+ goto out;
+ }
- tok = strtok (newval, ":");
- if (!tok) {
- result = tok;
- goto out;
- }
+ tok = strtok(newval, ":");
+ if (!tok) {
+ result = tok;
+ goto out;
+ }
- while (tok) {
- i++;
- if (i == 2)
- break;
- tok = strtok (NULL, ":");
- }
+ while (tok) {
+ i++;
+ if (i == 2)
+ break;
+ tok = strtok(NULL, ":");
+ }
- result = gf_strdup (tok);
+ result = gf_strdup(tok);
out:
- if (newval)
- GF_FREE (newval);
+ if (newval)
+ GF_FREE(newval);
- return result;
+ return result;
}
/* This function prepare a list of choices for key
@@ -290,245 +222,227 @@ out:
*/
-int
-dht_aggregate_split_brain_xattr (dict_t *dst, char *key, data_t *value)
-{
+static int
+dht_aggregate_split_brain_xattr(dict_t *dst, char *key, data_t *value)
+{
+ int ret = 0;
+ char *oldvalue = NULL;
+ char *old_choice = NULL;
+ char *new_choice = NULL;
+ char *full_choice = NULL;
+ char *status = NULL;
+
+ if (value == NULL) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_DATA_NULL,
+ "GF_AFR_SBRAIN_STATUS value is NULL");
+ ret = -1;
+ goto out;
+ }
- int ret = 0;
- char *oldvalue = NULL;
- char *old_choice = NULL;
- char *new_choice = NULL;
- char *full_choice = NULL;
- char *status = NULL;
+ ret = dict_get_str(dst, key, &oldvalue);
+ if (ret)
+ goto out;
+
+ /* skip code that is irrelevant if !oldvalue */
+ if (!oldvalue)
+ goto out;
- if (value == NULL) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_DATA_NULL,
- "GF_AFR_SBRAIN_STATUS value is NULL");
+ if (strstr(oldvalue, "not")) {
+ gf_msg_debug("dht", 0, "Need to update split-brain status in dict");
+ ret = -1;
+ goto out;
+ }
+ if (strstr(oldvalue, "metadata-split-brain:yes") &&
+ (strstr(oldvalue, "data-split-brain:no"))) {
+ if (strstr(value->data, "not")) {
+ gf_msg_debug("dht", 0, "No need to update split-brain status");
+ ret = 0;
+ goto out;
+ }
+ if (strstr(value->data, "yes") &&
+ (strncmp(oldvalue, value->data, strlen(oldvalue)))) {
+ old_choice = getChoices(oldvalue);
+ if (!old_choice) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_NO_MEMORY,
+ "Error to get choices");
ret = -1;
goto out;
- }
+ }
- ret = dict_get_str (dst, key, &oldvalue);
- if (ret)
+ ret = add_opt(&full_choice, old_choice);
+ if (ret) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_NO_MEMORY,
+ "Error to add choices");
+ ret = -1;
goto out;
+ }
- if (oldvalue && (strstr (oldvalue, "not"))) {
- gf_msg_debug ("dht", 0,
- "Need to update split-brain status in dict");
+ new_choice = getChoices(value->data);
+ if (!new_choice) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_NO_MEMORY,
+ "Error to get choices");
ret = -1;
goto out;
- }
- if (oldvalue && (strstr (oldvalue, "metadata-split-brain:yes"))
- && (strstr (oldvalue, "data-split-brain:no"))) {
- if (strstr (value->data, "not")) {
- gf_msg_debug ("dht", 0,
- "No need to update split-brain status");
- ret = 0;
- goto out;
- }
- if (strstr (value->data, "yes") &&
- (strncmp (oldvalue, value->data, strlen(oldvalue)))) {
- old_choice = getChoices (oldvalue);
- if (!old_choice) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_NO_MEMORY,
- "Error to get choices");
- ret = -1;
- goto out;
- }
-
- ret = add_opt (&full_choice, old_choice);
- if (ret) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_NO_MEMORY,
- "Error to add choices");
- ret = -1;
- goto out;
- }
-
- new_choice = getChoices (value->data);
- if (!new_choice) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_NO_MEMORY,
- "Error to get choices");
- ret = -1;
- goto out;
- }
+ }
- ret = add_opt (&full_choice, new_choice);
- if (ret) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_NO_MEMORY,
- "Error to add choices ");
- ret = -1;
- goto out;
- }
- ret = gf_asprintf (&status,
- "data-split-brain:%s "
- "metadata-split-brain:%s Choices:%s",
- "no", "yes", full_choice);
-
- if (-1 == ret) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_NO_MEMORY,
- "Error to prepare status ");
- goto out;
- }
- ret = dict_set_dynstr (dst, key, status);
- if (ret) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set full choice");
- }
- }
+ ret = add_opt(&full_choice, new_choice);
+ if (ret) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_NO_MEMORY,
+ "Error to add choices ");
+ ret = -1;
+ goto out;
+ }
+ ret = gf_asprintf(&status,
+ "data-split-brain:%s "
+ "metadata-split-brain:%s Choices:%s",
+ "no", "yes", full_choice);
+
+ if (-1 == ret) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_NO_MEMORY,
+ "Error to prepare status ");
+ goto out;
+ }
+ ret = dict_set_dynstr(dst, key, status);
+ if (ret) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set full choice");
+ }
}
+ }
out:
- if (old_choice)
- GF_FREE (old_choice);
- if (new_choice)
- GF_FREE (new_choice);
- if (full_choice)
- GF_FREE (full_choice);
+ if (old_choice)
+ GF_FREE(old_choice);
+ if (new_choice)
+ GF_FREE(new_choice);
+ if (full_choice)
+ GF_FREE(full_choice);
- return ret;
+ return ret;
}
-
-
-int
-dht_aggregate (dict_t *this, char *key, data_t *value, void *data)
+static int
+dht_aggregate(dict_t *this, char *key, data_t *value, void *data)
{
- dict_t *dst = NULL;
- int32_t ret = -1;
- data_t *dict_data = NULL;
+ dict_t *dst = NULL;
+ int32_t ret = -1;
+ data_t *dict_data = NULL;
- dst = data;
+ dst = data;
- /* compare split brain xattr only */
- if (strcmp (key, GF_AFR_SBRAIN_STATUS) == 0) {
- ret = dht_aggregate_split_brain_xattr(dst, key, value);
+ /* compare split brain xattr only */
+ if (strcmp(key, GF_AFR_SBRAIN_STATUS) == 0) {
+ ret = dht_aggregate_split_brain_xattr(dst, key, value);
+ if (!ret)
+ goto out;
+ } else if (strcmp(key, QUOTA_SIZE_KEY) == 0) {
+ ret = dht_aggregate_quota_xattr(dst, key, value);
+ if (ret) {
+ gf_msg("dht", GF_LOG_WARNING, 0,
+ DHT_MSG_AGGREGATE_QUOTA_XATTR_FAILED,
+ "Failed to aggregate quota xattr");
+ }
+ goto out;
+ } else if (fnmatch(GF_XATTR_STIME_PATTERN, key, FNM_NOESCAPE) == 0) {
+ ret = gf_get_min_stime(THIS, dst, key, value);
+ goto out;
+ } else {
+ /* compare user xattrs only */
+ if (!strncmp(key, "user.", SLEN("user."))) {
+ ret = dict_lookup(dst, key, &dict_data);
+ if (!ret && dict_data && value) {
+ ret = is_data_equal(dict_data, value);
if (!ret)
- goto out;
- } else if (strcmp (key, QUOTA_SIZE_KEY) == 0) {
- ret = dht_aggregate_quota_xattr (dst, key, value);
- if (ret) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_AGGREGATE_QUOTA_XATTR_FAILED,
- "Failed to aggregate quota xattr");
- }
- goto out;
- } else if (fnmatch (GF_XATTR_STIME_PATTERN, key, FNM_NOESCAPE) == 0) {
- ret = gf_get_min_stime (THIS, dst, key, value);
- goto out;
- } else {
- /* compare user xattrs only */
- if (!strncmp (key, "user.", strlen ("user."))) {
- ret = dict_lookup (dst, key, &dict_data);
- if (!ret && dict_data && value) {
- ret = is_data_equal (dict_data, value);
- if (!ret)
- gf_msg_debug ("dht", 0,
- "xattr mismatch for %s",
- key);
- }
- }
+ gf_msg_debug("dht", 0, "xattr mismatch for %s", key);
+ }
}
+ }
- ret = dict_set (dst, key, value);
- if (ret) {
- gf_msg ("dht", GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value: key = %s",
- key);
- }
+ ret = dict_set(dst, key, value);
+ if (ret) {
+ gf_msg("dht", GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value: key = %s", key);
+ }
out:
- return ret;
+ return ret;
}
-
-void
-dht_aggregate_xattr (dict_t *dst, dict_t *src)
+static void
+dht_aggregate_xattr(dict_t *dst, dict_t *src)
{
- if ((dst == NULL) || (src == NULL)) {
- goto out;
- }
+ if ((dst == NULL) || (src == NULL)) {
+ goto out;
+ }
- dict_foreach (src, dht_aggregate, dst);
+ dict_foreach(src, dht_aggregate, dst);
out:
- return;
+ return;
}
/* Code to save hashed subvol on inode ctx as a mds subvol
-*/
+ */
int
-dht_inode_ctx_mdsvol_set (inode_t *inode, xlator_t *this, xlator_t *mds_subvol)
+dht_inode_ctx_mdsvol_set(inode_t *inode, xlator_t *this, xlator_t *mds_subvol)
{
- dht_inode_ctx_t *ctx = NULL;
- int ret = -1;
- uint64_t ctx_int = 0;
- gf_boolean_t ctx_free = _gf_false;
+ dht_inode_ctx_t *ctx = NULL;
+ int ret = -1;
+ uint64_t ctx_int = 0;
+ gf_boolean_t ctx_free = _gf_false;
-
- LOCK (&inode->lock);
- {
- ret = __inode_ctx_get (inode, this , &ctx_int);
- if (ctx_int) {
- ctx = (dht_inode_ctx_t *)ctx_int;
- ctx->mds_subvol = mds_subvol;
- } else {
- ctx = GF_CALLOC (1, sizeof(*ctx), gf_dht_mt_inode_ctx_t);
- if (!ctx)
- goto unlock;
- ctx->mds_subvol = mds_subvol;
- ctx_free = _gf_true;
- ctx_int = (long) ctx;
- ret = __inode_ctx_set (inode, this, &ctx_int);
- }
- }
+ LOCK(&inode->lock);
+ {
+ ret = __inode_ctx_get(inode, this, &ctx_int);
+ if (ctx_int) {
+ ctx = (dht_inode_ctx_t *)(uintptr_t)ctx_int;
+ ctx->mds_subvol = mds_subvol;
+ } else {
+ ctx = GF_CALLOC(1, sizeof(*ctx), gf_dht_mt_inode_ctx_t);
+ if (!ctx)
+ goto unlock;
+ ctx->mds_subvol = mds_subvol;
+ ctx_free = _gf_true;
+ ctx_int = (long)ctx;
+ ret = __inode_ctx_set(inode, this, &ctx_int);
+ }
+ }
unlock:
- UNLOCK (&inode->lock);
- if (ret && ctx_free)
- GF_FREE (ctx);
- return ret;
+ UNLOCK(&inode->lock);
+ if (ret && ctx_free)
+ GF_FREE(ctx);
+ return ret;
}
/*Code to get mds subvol from inode ctx */
int
-dht_inode_ctx_mdsvol_get (inode_t *inode, xlator_t *this, xlator_t **mdsvol)
+dht_inode_ctx_mdsvol_get(inode_t *inode, xlator_t *this, xlator_t **mdsvol)
{
- dht_inode_ctx_t *ctx = NULL;
- int ret = -1;
+ dht_inode_ctx_t *ctx = NULL;
+ int ret = -1;
- if (!mdsvol)
- return ret;
+ if (!mdsvol)
+ return ret;
- if (__is_root_gfid(inode->gfid)) {
- (*mdsvol) = FIRST_CHILD (this);
- return 0;
- }
+ if (__is_root_gfid(inode->gfid)) {
+ (*mdsvol) = FIRST_CHILD(this);
+ return 0;
+ }
- ret = dht_inode_ctx_get (inode, this, &ctx);
+ ret = dht_inode_ctx_get(inode, this, &ctx);
- if (!ret && ctx) {
- if (ctx->mds_subvol) {
- *mdsvol = ctx->mds_subvol;
- ret = 0;
- } else {
- ret = -1;
- }
+ if (!ret && ctx) {
+ if (ctx->mds_subvol) {
+ *mdsvol = ctx->mds_subvol;
+ ret = 0;
+ } else {
+ ret = -1;
}
+ }
- return ret;
+ return ret;
}
-
-
-
-
/* TODO:
- use volumename in xattr instead of "dht"
- use NS locks
@@ -536,293 +450,332 @@ dht_inode_ctx_mdsvol_get (inode_t *inode, xlator_t *this, xlator_t **mdsvol)
- complete linkfile selfheal
*/
-
-int
-dht_lookup_selfheal_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+static int
+dht_lookup_selfheal_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
- local = frame->local;
- conf = this->private;
- ret = op_ret;
+ local = frame->local;
+ conf = this->private;
+ ret = op_ret;
- FRAME_SU_UNDO (frame, dht_local_t);
+ FRAME_SU_UNDO(frame, dht_local_t);
- if (ret == 0) {
- layout = local->selfheal.layout;
- ret = dht_layout_set (this, local->inode, layout);
- }
+ if (ret == 0) {
+ layout = local->selfheal.layout;
+ ret = dht_layout_set(this, local->inode, layout);
+ }
- dht_inode_ctx_time_update (local->inode, this, &local->stbuf, 1);
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->postparent, 1);
- }
+ dht_inode_ctx_time_update(local->inode, this, &local->stbuf, 1);
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this, &local->postparent,
+ 1);
+ }
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- dht_set_fixed_dir_stat (&local->postparent);
- /* Delete mds xattr at the time of STACK UNWIND */
- GF_REMOVE_INTERNAL_XATTR (conf->mds_xattr_key, local->xattr);
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ dht_set_fixed_dir_stat(&local->postparent);
+ /* Delete mds xattr at the time of STACK UNWIND */
+ GF_REMOVE_INTERNAL_XATTR(conf->mds_xattr_key, local->xattr);
- DHT_STACK_UNWIND (lookup, frame, ret, local->op_errno, local->inode,
- &local->stbuf, local->xattr, &local->postparent);
+ DHT_STACK_UNWIND(lookup, frame, ret, local->op_errno, local->inode,
+ &local->stbuf, local->xattr, &local->postparent);
out:
- return ret;
+ return ret;
}
-int
-dht_discover_complete (xlator_t *this, call_frame_t *discover_frame)
-{
- dht_local_t *local = NULL;
- dht_local_t *heal_local = NULL;
- call_frame_t *main_frame = NULL;
- call_frame_t *heal_frame = NULL;
- int op_errno = 0;
- int ret = -1;
- dht_layout_t *layout = NULL;
- dht_conf_t *conf = NULL;
- uint32_t vol_commit_hash = 0;
- xlator_t *source = NULL;
- int heal_path = 0;
- int error_while_marking_mds = 0;
- int i = 0;
- loc_t loc = {0 };
- int8_t is_read_only = 0, layout_anomalies = 0;
- char gfid_local[GF_UUID_BUF_SIZE] = {0};
-
- local = discover_frame->local;
- layout = local->layout;
- conf = this->private;
- gf_uuid_unparse(local->gfid, gfid_local);
-
- LOCK(&discover_frame->lock);
- {
- main_frame = local->main_frame;
- local->main_frame = NULL;
- }
- UNLOCK(&discover_frame->lock);
-
- if (!main_frame)
- return 0;
+static int
+dht_discover_complete(xlator_t *this, call_frame_t *discover_frame)
+{
+ dht_local_t *local = NULL;
+ dht_local_t *heal_local = NULL;
+ call_frame_t *main_frame = NULL;
+ call_frame_t *heal_frame = NULL;
+ int op_errno = 0;
+ int ret = -1;
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
+ uint32_t vol_commit_hash = 0;
+ xlator_t *source = NULL;
+ int heal_path = 0;
+ int error_while_marking_mds = 0;
+ int i = 0;
+ loc_t loc = {0};
+ int8_t is_read_only = 0, layout_anomalies = 0;
+ char gfid_local[GF_UUID_BUF_SIZE] = {0};
+
+ local = discover_frame->local;
+ layout = local->layout;
+ conf = this->private;
+ gf_uuid_unparse(local->gfid, gfid_local);
+
+ LOCK(&discover_frame->lock);
+ {
+ main_frame = local->main_frame;
+ local->main_frame = NULL;
+ }
+ UNLOCK(&discover_frame->lock);
+
+ if (!main_frame)
+ return 0;
+
+ /* Code to update all extended attributed from
+ subvol to local->xattr on that internal xattr has found
+ */
+ if (conf->subvolume_cnt == 1)
+ local->need_xattr_heal = 0;
+ if (local->need_xattr_heal && (local->mds_xattr)) {
+ dht_dir_set_heal_xattr(this, local, local->xattr, local->mds_xattr,
+ NULL, NULL);
+ dict_unref(local->mds_xattr);
+ local->mds_xattr = NULL;
+ }
+
+ ret = dict_get_int8(local->xattr_req, QUOTA_READ_ONLY_KEY, &is_read_only);
+ if (ret < 0)
+ gf_msg_debug(this->name, 0, "key = %s not present in dict",
+ QUOTA_READ_ONLY_KEY);
+
+ if (local->file_count && local->dir_count) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_FILE_TYPE_MISMATCH,
+ "path %s exists as a file on one subvolume "
+ "and directory on another. "
+ "Please fix it manually",
+ local->loc.path);
+ op_errno = EIO;
+ goto out;
+ }
- /* Code to update all extended attributed from
- subvol to local->xattr on that internal xattr has found
- */
- if (conf->subvolume_cnt == 1)
- local->need_xattr_heal = 0;
- if (local->need_xattr_heal && (local->mds_xattr)) {
- dht_dir_set_heal_xattr (this, local, local->xattr,
- local->mds_xattr, NULL, NULL);
- dict_unref (local->mds_xattr);
- local->mds_xattr = NULL;
+ if (local->cached_subvol) {
+ ret = dht_layout_preset(this, local->cached_subvol, local->inode);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LAYOUT_SET_FAILED,
+ "failed to set layout for subvolume %s",
+ local->cached_subvol ? local->cached_subvol->name : "<nil>");
+ op_errno = EINVAL;
+ goto out;
+ }
+ } else {
+ ret = dht_layout_normalize(this, &local->loc, layout);
+ if ((ret < 0) || ((ret > 0) && (local->op_ret != 0))) {
+ /* either the layout is incorrect or the directory is
+ * not found even in one subvolume.
+ */
+ gf_msg_debug(this->name, 0,
+ "normalizing failed on %s "
+ "(overlaps/holes present: %s, "
+ "ENOENT errors: %d)",
+ local->loc.path, (ret < 0) ? "yes" : "no",
+ (ret > 0) ? ret : 0);
+ layout_anomalies = 1;
+ } else if (local->inode) {
+ dht_layout_set(this, local->inode, layout);
+ }
+ }
+
+ if (!conf->vch_forced) {
+ ret = dict_get_uint32(local->xattr, conf->commithash_xattr_name,
+ &vol_commit_hash);
+ if (ret == 0) {
+ conf->vol_commit_hash = vol_commit_hash;
}
+ }
- ret = dict_get_int8 (local->xattr_req, QUOTA_READ_ONLY_KEY,
- &is_read_only);
- if (ret < 0)
- gf_msg_debug (this->name, 0, "key = %s not present in dict",
- QUOTA_READ_ONLY_KEY);
-
- if (local->file_count && local->dir_count) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_FILE_TYPE_MISMATCH,
- "path %s exists as a file on one subvolume "
- "and directory on another. "
- "Please fix it manually",
- local->loc.path);
- op_errno = EIO;
- goto out;
- }
+ if (IA_ISDIR(local->stbuf.ia_type) && !is_read_only) {
+ for (i = 0; i < layout->cnt; i++) {
+ if (!source && !layout->list[i].err)
+ source = layout->list[i].xlator;
+ if (layout->list[i].err == ENOENT ||
+ layout->list[i].err == ESTALE) {
+ heal_path = 1;
+ }
- if (local->cached_subvol) {
- ret = dht_layout_preset (this, local->cached_subvol,
- local->inode);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_SET_FAILED,
- "failed to set layout for subvolume %s",
- local->cached_subvol ? local->cached_subvol->name : "<nil>");
- op_errno = EINVAL;
- goto out;
- }
- } else {
- ret = dht_layout_normalize (this, &local->loc, layout);
- if ((ret < 0) || ((ret > 0) && (local->op_ret != 0))) {
- /* either the layout is incorrect or the directory is
- * not found even in one subvolume.
- */
- gf_msg_debug (this->name, 0,
- "normalizing failed on %s "
- "(overlaps/holes present: %s, "
- "ENOENT errors: %d)", local->loc.path,
- (ret < 0) ? "yes" : "no", (ret > 0) ? ret : 0);
- layout_anomalies = 1;
- } else if (local->inode) {
- dht_layout_set (this, local->inode, layout);
- }
+ if (source && heal_path)
+ break;
}
+ }
- if (!conf->vch_forced) {
- ret = dict_get_uint32 (local->xattr,
- conf->commithash_xattr_name,
- &vol_commit_hash);
- if (ret == 0) {
- conf->vol_commit_hash = vol_commit_hash;
- }
+ if (IA_ISDIR(local->stbuf.ia_type)) {
+ /* Call function to save hashed subvol on inode ctx if
+ internal mds xattr is not present and all subvols are up
+ */
+ if (!local->op_ret && !__is_root_gfid(local->stbuf.ia_gfid))
+ (void)dht_common_mark_mdsxattr(discover_frame,
+ &error_while_marking_mds, 1);
+
+ if (local->need_xattr_heal && !heal_path) {
+ local->need_xattr_heal = 0;
+ ret = dht_dir_xattr_heal(this, local, &op_errno);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_DIR_XATTR_HEAL_FAILED,
+ "xattr heal failed for "
+ "directory gfid is %s ",
+ gfid_local);
+ }
}
+ }
- if (IA_ISDIR (local->stbuf.ia_type) && !is_read_only) {
- for (i = 0; i < layout->cnt; i++) {
- if (!source && !layout->list[i].err)
- source = layout->list[i].xlator;
- if (layout->list[i].err == ENOENT ||
- layout->list[i].err == ESTALE) {
- heal_path = 1;
- }
-
- if (source && heal_path)
- break;
- }
+ if (source && (heal_path || layout_anomalies || error_while_marking_mds)) {
+ gf_uuid_copy(loc.gfid, local->gfid);
+ if (gf_uuid_is_null(loc.gfid)) {
+ goto done;
}
- if (IA_ISDIR (local->stbuf.ia_type)) {
- /* Call function to save hashed subvol on inode ctx if
- internal mds xattr is not present and all subvols are up
- */
- if (!local->op_ret && !__is_root_gfid (local->stbuf.ia_gfid))
- (void) dht_common_mark_mdsxattr (discover_frame,
- &error_while_marking_mds, 1);
-
- if (local->need_xattr_heal && !heal_path) {
- local->need_xattr_heal = 0;
- ret = dht_dir_xattr_heal (this, local);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR,
- ret,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "xattr heal failed for "
- "directory gfid is %s ",
- gfid_local);
- }
- }
-
- if (source && (heal_path || layout_anomalies || error_while_marking_mds)) {
- gf_uuid_copy (loc.gfid, local->gfid);
- if (gf_uuid_is_null (loc.gfid)) {
- goto done;
- }
-
- if (local->inode)
- loc.inode = inode_ref (local->inode);
- else
- goto done;
-
- heal_frame = create_frame (this, this->ctx->pool);
- if (heal_frame) {
- heal_local = dht_local_init (heal_frame, &loc,
- NULL, 0);
- if (!heal_local)
- goto cleanup;
-
- gf_uuid_copy (heal_local->gfid, local->gfid);
- heal_frame->cookie = source;
- heal_local->xattr = dict_ref (local->xattr);
- heal_local->stbuf = local->stbuf;
- heal_local->postparent = local->postparent;
- heal_local->inode = inode_ref (loc.inode);
- heal_local->main_frame = main_frame;
- FRAME_SU_DO (heal_frame, dht_local_t);
- ret = synctask_new (this->ctx->env,
- dht_heal_full_path,
- dht_heal_full_path_done,
- heal_frame, heal_frame);
- if (!ret) {
- loc_wipe (&loc);
- return 0;
- }
- /*
- * Failed to spawn the synctask. Returning
- * with out doing heal.
- */
-cleanup:
- loc_wipe (&loc);
- DHT_STACK_DESTROY (heal_frame);
- }
-
- }
+ if (local->inode)
+ loc.inode = inode_ref(local->inode);
+ else
+ goto done;
+
+ heal_frame = create_frame(this, this->ctx->pool);
+ if (heal_frame) {
+ heal_local = dht_local_init(heal_frame, &loc, NULL, 0);
+ if (!heal_local)
+ goto cleanup;
+
+ gf_uuid_copy(heal_local->gfid, local->gfid);
+ heal_frame->cookie = source;
+ heal_local->xattr = dict_ref(local->xattr);
+ heal_local->stbuf = local->stbuf;
+ heal_local->postparent = local->postparent;
+ heal_local->inode = inode_ref(loc.inode);
+ heal_local->main_frame = main_frame;
+ FRAME_SU_DO(heal_frame, dht_local_t);
+ ret = synctask_new(this->ctx->env, dht_heal_full_path,
+ dht_heal_full_path_done, heal_frame, heal_frame);
+ if (!ret) {
+ loc_wipe(&loc);
+ return 0;
+ }
+ /*
+ * Failed to spawn the synctask. Returning
+ * with out doing heal.
+ */
+ cleanup:
+ loc_wipe(&loc);
+ DHT_STACK_DESTROY(heal_frame);
+ }
+ }
done:
- dht_set_fixed_dir_stat (&local->postparent);
- /* Delete mds xattr at the time of STACK UNWIND */
- if (local->xattr)
- GF_REMOVE_INTERNAL_XATTR (conf->mds_xattr_key, local->xattr);
+ dht_set_fixed_dir_stat(&local->postparent);
+ /* Delete mds xattr at the time of STACK UNWIND */
+ if (local->xattr)
+ GF_REMOVE_INTERNAL_XATTR(conf->mds_xattr_key, local->xattr);
- DHT_STACK_UNWIND (lookup, main_frame, local->op_ret, local->op_errno,
- local->inode, &local->stbuf, local->xattr,
- &local->postparent);
- return 0;
+ DHT_STACK_UNWIND(lookup, main_frame, local->op_ret, local->op_errno,
+ local->inode, &local->stbuf, local->xattr,
+ &local->postparent);
+ return 0;
out:
- DHT_STACK_UNWIND (lookup, main_frame, -1, op_errno, NULL, NULL, NULL,
- NULL);
+ DHT_STACK_UNWIND(lookup, main_frame, -1, op_errno, NULL, NULL, NULL, NULL);
- return ret;
+ return ret;
}
-int
-dht_common_mark_mdsxattr_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- dict_t *xdata)
-{
- dht_local_t *local = NULL;
- xlator_t *prev = cookie;
- int ret = -1;
- dht_conf_t *conf = 0;
- dht_layout_t *layout = NULL;
+static int
+dht_common_mark_mdsxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ xlator_t *prev = cookie;
+ int ret = -1;
+ dht_conf_t *conf = 0;
+ dht_layout_t *layout = NULL;
+ int32_t mds_heal_fresh_lookup = 0;
+
+ GF_VALIDATE_OR_GOTO(this->name, frame, out);
+ GF_VALIDATE_OR_GOTO(this->name, frame->local, out);
+
+ local = frame->local;
+ conf = this->private;
+ layout = local->selfheal.layout;
+ mds_heal_fresh_lookup = local->mds_heal_fresh_lookup;
+
+ if (op_ret) {
+ gf_msg_debug(this->name, op_ret,
+ "Failed to set %s on the MDS %s for path %s. ",
+ conf->mds_xattr_key, prev->name, local->loc.path);
+ } else {
+ /* Save mds subvol on inode ctx */
+ ret = dht_inode_ctx_mdsvol_set(local->inode, this, prev);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SET_INODE_CTX_FAILED,
+ "Failed to set mds subvol on inode ctx"
+ " %s for %s ",
+ prev->name, local->loc.path);
+ }
+ }
+ if (!local->mds_heal_fresh_lookup && layout) {
+ dht_selfheal_dir_setattr(frame, &local->loc, &local->stbuf, 0xffffffff,
+ layout);
+ }
+out:
+ if (mds_heal_fresh_lookup)
+ DHT_STACK_DESTROY(frame);
+ return 0;
+}
- GF_VALIDATE_OR_GOTO (this->name, frame, out);
- GF_VALIDATE_OR_GOTO (this->name, frame->local, out);
+static xlator_t *
+dht_inode_get_hashed_subvol(inode_t *inode, xlator_t *this, loc_t *loc)
+{
+ char *path = NULL;
+ loc_t populate_loc = {
+ 0,
+ };
+ char *name = NULL;
+ xlator_t *hash_subvol = NULL;
- local = frame->local;
- conf = this->private;
- layout = local->selfheal.layout;
+ if (!inode)
+ return hash_subvol;
- if (op_ret) {
- gf_msg_debug (this->name, op_ret,
- "Failed to set %s on the MDS %s for path %s. ",
- conf->mds_xattr_key, prev->name, local->loc.path);
- } else {
- /* Save mds subvol on inode ctx */
- ret = dht_inode_ctx_mdsvol_set (local->inode, this, prev);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SET_INODE_CTX_FAILED,
- "Failed to set mds subvol on inode ctx"
- " %s for %s ", prev->name,
- local->loc.path);
- }
+ if (loc && loc->parent && loc->path) {
+ if (!loc->name) {
+ name = strrchr(loc->path, '/');
+ if (name) {
+ loc->name = name + 1;
+ } else {
+ goto out;
+ }
}
- if (!local->mds_heal_fresh_lookup && layout) {
- dht_selfheal_dir_setattr (frame, &local->loc, &local->stbuf,
- 0xffffffff, layout);
+ hash_subvol = dht_subvol_get_hashed(this, loc);
+ goto out;
+ }
+
+ if (!gf_uuid_is_null(inode->gfid)) {
+ populate_loc.inode = inode_ref(inode);
+ populate_loc.parent = inode_parent(populate_loc.inode, NULL, NULL);
+ inode_path(populate_loc.inode, NULL, &path);
+
+ if (!path)
+ goto out;
+
+ populate_loc.path = path;
+ if (!populate_loc.name && populate_loc.path) {
+ name = strrchr(populate_loc.path, '/');
+ if (name) {
+ populate_loc.name = name + 1;
+
+ } else {
+ goto out;
+ }
}
+ hash_subvol = dht_subvol_get_hashed(this, &populate_loc);
+ }
out:
- if (local && local->mds_heal_fresh_lookup)
- DHT_STACK_DESTROY (frame);
- return 0;
+ if (populate_loc.inode)
+ loc_wipe(&populate_loc);
+ return hash_subvol;
}
-
-
/* Common function call by revalidate/selfheal code path to populate
internal xattr if it is not present, mark_during_fresh_lookup value
determines either function is call by revalidate_cbk(discover_complete)
@@ -838,1509 +791,1508 @@ out:
penalty.
*/
int
-dht_common_mark_mdsxattr (call_frame_t *frame, int *errst, int mark_during_fresh_lookup)
-{
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- xlator_t *hashed_subvol = NULL;
- int ret = 0;
- int i = 0;
- dict_t *xattrs = NULL;
- char gfid_local[GF_UUID_BUF_SIZE] = {0,};
- int32_t zero[1] = {0};
- dht_conf_t *conf = 0;
- dht_layout_t *layout = NULL;
- dht_local_t *copy_local = NULL;
- call_frame_t *xattr_frame = NULL;
- gf_boolean_t vol_down = _gf_false;
-
- this = frame->this;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, frame->local, out);
- GF_VALIDATE_OR_GOTO (this->name, this->private, out);
-
- local = frame->local;
- conf = this->private;
- layout = local->selfheal.layout;
- local->mds_heal_fresh_lookup = mark_during_fresh_lookup;
- gf_uuid_unparse(local->gfid, gfid_local);
-
- /* Code to update hashed subvol consider as a mds subvol
- and wind a setxattr call on hashed subvol to update
- internal xattr
+dht_common_mark_mdsxattr(call_frame_t *frame, int *errst,
+ int mark_during_fresh_lookup)
+{
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ xlator_t *hashed_subvol = NULL;
+ int ret = 0;
+ int i = 0;
+ dict_t *xattrs = NULL;
+ char gfid_local[GF_UUID_BUF_SIZE] = {
+ 0,
+ };
+ int32_t zero[1] = {0};
+ dht_conf_t *conf = 0;
+ dht_layout_t *layout = NULL;
+ dht_local_t *copy_local = NULL;
+ call_frame_t *xattr_frame = NULL;
+ gf_boolean_t vol_down = _gf_false;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ this = frame->this;
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, frame->local, out);
+ GF_VALIDATE_OR_GOTO(this->name, this->private, out);
+
+ local = frame->local;
+ conf = this->private;
+ layout = local->selfheal.layout;
+ local->mds_heal_fresh_lookup = mark_during_fresh_lookup;
+
+ gf_uuid_unparse(local->gfid, gfid_local);
+
+ /* Code to update hashed subvol consider as a mds subvol
+ and wind a setxattr call on hashed subvol to update
+ internal xattr
+ */
+ if (!local->xattr || !dict_get(local->xattr, conf->mds_xattr_key)) {
+ /* It means no internal MDS xattr has been set yet
+ */
+ /* Check the status of all subvol are up while call
+ this function call by lookup code path
*/
- if (!local->xattr || !dict_get (local->xattr, conf->mds_xattr_key)) {
- /* It means no internal MDS xattr has been set yet
- */
- /* Check the status of all subvol are up while call
- this function call by lookup code path
- */
- if (mark_during_fresh_lookup) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (!conf->subvolume_status[i]) {
- vol_down = _gf_true;
- break;
- }
- }
- if (vol_down) {
- gf_msg_debug (this->name, 0,
- "subvol %s is down. Unable to "
- " save mds subvol on inode for "
- " path %s gfid is %s " ,
- conf->subvolumes[i]->name,
- local->loc.path, gfid_local);
- goto out;
- }
+ if (mark_during_fresh_lookup) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (!conf->subvolume_status[i]) {
+ vol_down = _gf_true;
+ break;
}
+ }
+ if (vol_down) {
+ gf_msg_debug(this->name, 0,
+ "subvol %s is down. Unable to "
+ " save mds subvol on inode for "
+ " path %s gfid is %s ",
+ conf->subvolumes[i]->name, local->loc.path,
+ gfid_local);
+ goto out;
+ }
+ }
- /* Calculate hashed subvol based on inode and parent node
- */
- hashed_subvol = dht_inode_get_hashed_subvol (local->inode, this,
- &local->loc);
- if (!hashed_subvol) {
- gf_msg (this->name, GF_LOG_DEBUG, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get hashed subvol for path %s"
- "gfid is %s ",
- local->loc.path, gfid_local);
- (*errst) = 1;
- ret = -1;
- goto out;
- }
- xattrs = dict_new ();
- if (!xattrs) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "dict_new failed");
- ret = -1;
- goto out;
- }
- /* Add internal MDS xattr on disk for hashed subvol
- */
- ret = dht_dict_set_array (xattrs, conf->mds_xattr_key,
- zero, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary"
- " value:key = %s for "
- "path %s", conf->mds_xattr_key,
- local->loc.path);
- ret = -1;
- goto out;
- }
- /* Create a new frame to wind a call only while
- this function call by revalidate_cbk code path
- To wind a call parallel need to create a new frame
- */
- if (mark_during_fresh_lookup) {
- xattr_frame = create_frame (this, this->ctx->pool);
- if (!xattr_frame) {
- ret = -1;
- goto out;
- }
- copy_local = dht_local_init (xattr_frame, &(local->loc),
- NULL, 0);
- if (!copy_local) {
- ret = -1;
- DHT_STACK_DESTROY (xattr_frame);
- goto out;
- }
- copy_local->stbuf = local->stbuf;
- copy_local->mds_heal_fresh_lookup = mark_during_fresh_lookup;
- if (!copy_local->inode)
- copy_local->inode = inode_ref (local->inode);
- gf_uuid_copy (copy_local->loc.gfid, local->gfid);
- FRAME_SU_DO (xattr_frame, dht_local_t);
- STACK_WIND_COOKIE (xattr_frame, dht_common_mark_mdsxattr_cbk,
- hashed_subvol, hashed_subvol,
- hashed_subvol->fops->setxattr,
- &local->loc, xattrs, 0, NULL);
- } else {
- STACK_WIND_COOKIE (frame,
- dht_common_mark_mdsxattr_cbk,
- (void *)hashed_subvol,
- hashed_subvol,
- hashed_subvol->fops->setxattr,
- &local->loc, xattrs, 0,
- NULL);
- }
- } else {
- gf_msg_debug (this->name, 0,
- "internal xattr %s is present on subvol"
- "on path %s gfid is %s " , conf->mds_xattr_key,
- local->loc.path, gfid_local);
- if (!mark_during_fresh_lookup)
- dht_selfheal_dir_setattr (frame, &local->loc,
- &local->stbuf, 0xffffffff,
- layout);
+ /* Calculate hashed subvol based on inode and parent node
+ */
+ hashed_subvol = dht_inode_get_hashed_subvol(local->inode, this,
+ &local->loc);
+ if (!hashed_subvol) {
+ gf_msg(this->name, GF_LOG_DEBUG, 0,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Failed to get hashed subvol for path %s"
+ "gfid is %s ",
+ local->loc.path, gfid_local);
+ if (errst)
+ (*errst) = 1;
+ ret = -1;
+ goto out;
+ }
+ xattrs = dict_new();
+ if (!xattrs) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "dict_new failed");
+ ret = -1;
+ goto out;
}
+ /* Add internal MDS xattr on disk for hashed subvol
+ */
+ ret = dht_dict_set_array(xattrs, conf->mds_xattr_key, zero, 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary"
+ " value:key = %s for "
+ "path %s",
+ conf->mds_xattr_key, local->loc.path);
+ ret = -1;
+ goto out;
+ }
+ /* Create a new frame to wind a call only while
+ this function call by revalidate_cbk code path
+ To wind a call parallel need to create a new frame
+ */
+ if (mark_during_fresh_lookup) {
+ xattr_frame = create_frame(this, this->ctx->pool);
+ if (!xattr_frame) {
+ ret = -1;
+ goto out;
+ }
+ copy_local = dht_local_init(xattr_frame, &(local->loc), NULL, 0);
+ if (!copy_local) {
+ ret = -1;
+ DHT_STACK_DESTROY(xattr_frame);
+ goto out;
+ }
+ copy_local->stbuf = local->stbuf;
+ copy_local->mds_heal_fresh_lookup = mark_during_fresh_lookup;
+ if (!copy_local->inode)
+ copy_local->inode = inode_ref(local->inode);
+ gf_uuid_copy(copy_local->loc.gfid, local->gfid);
+ FRAME_SU_DO(xattr_frame, dht_local_t);
+ STACK_WIND_COOKIE(xattr_frame, dht_common_mark_mdsxattr_cbk,
+ hashed_subvol, hashed_subvol,
+ hashed_subvol->fops->setxattr, &local->loc,
+ xattrs, 0, NULL);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_common_mark_mdsxattr_cbk,
+ (void *)hashed_subvol, hashed_subvol,
+ hashed_subvol->fops->setxattr, &local->loc,
+ xattrs, 0, NULL);
+ }
+ } else {
+ gf_msg_debug(this->name, 0,
+ "internal xattr %s is present on subvol"
+ "on path %s gfid is %s ",
+ conf->mds_xattr_key, local->loc.path, gfid_local);
+ if (!mark_during_fresh_lookup)
+ dht_selfheal_dir_setattr(frame, &local->loc, &local->stbuf,
+ 0xffffffff, layout);
+ }
out:
- if (xattrs)
- dict_unref (xattrs);
- return ret;
+ if (xattrs)
+ dict_unref(xattrs);
+ return ret;
}
+/* Get the value of key from dict in the bytewise and save in array after
+ convert from network byte order to host byte order
+*/
+static int32_t
+dht_dict_get_array(dict_t *dict, char *key, int32_t value[], int32_t size,
+ int *errst)
+{
+ void *ptr = NULL;
+ int32_t len = -1;
+ int32_t vindex = -1;
+ int32_t err = -1;
+ int ret = 0;
+
+ if (dict == NULL) {
+ (*errst) = -1;
+ return -EINVAL;
+ }
+ err = dict_get_ptr_and_len(dict, key, &ptr, &len);
+ if (err != 0) {
+ (*errst) = -1;
+ return err;
+ }
+
+ if (len != (size * sizeof(int32_t))) {
+ (*errst) = -1;
+ return -EINVAL;
+ }
+
+ for (vindex = 0; vindex < size; vindex++) {
+ value[vindex] = ntoh32(*((int32_t *)ptr + vindex));
+ if (value[vindex] < 0)
+ ret = -1;
+ }
+
+ return ret;
+}
-int
-dht_discover_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
-{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- dht_layout_t *layout = NULL;
- int ret = -1;
- int is_dir = 0;
- int32_t check_mds = 0;
- int is_linkfile = 0;
- int attempt_unwind = 0;
- dht_conf_t *conf = 0;
- char gfid_local[GF_UUID_BUF_SIZE] = {0};
- char gfid_node[GF_UUID_BUF_SIZE] = {0};
- int32_t mds_xattr_val[1] = {0};
- int errst = 0;
-
-
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", this->private, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
+static int
+dht_discover_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf,
+ dict_t *xattr, struct iatt *postparent)
+{
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ dht_layout_t *layout = NULL;
+ int ret = -1;
+ int is_dir = 0;
+ int32_t check_mds = 0;
+ int is_linkfile = 0;
+ int attempt_unwind = 0;
+ dht_conf_t *conf = 0;
+ char gfid_local[GF_UUID_BUF_SIZE] = {0};
+ char gfid_node[GF_UUID_BUF_SIZE] = {0};
+ int32_t mds_xattr_val[1] = {0};
+ int errst = 0;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", this->private, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ layout = local->layout;
+
+ /* Check if the gfid is different for file from other node */
+ if (!op_ret && gf_uuid_compare(local->gfid, stbuf->ia_gfid)) {
+ gf_uuid_unparse(stbuf->ia_gfid, gfid_node);
+ gf_uuid_unparse(local->gfid, gfid_local);
- local = frame->local;
- prev = cookie;
- conf = this->private;
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_GFID_MISMATCH,
+ "%s: gfid different on %s, gfid local = %s"
+ "gfid other = %s",
+ local->loc.path, prev->name, gfid_local, gfid_node);
+ }
- layout = local->layout;
+ LOCK(&frame->lock);
+ {
+ /* TODO: assert equal mode on stbuf->st_mode and
+ local->stbuf->st_mode
+ else mkdir/chmod/chown and fix
+ */
- /* Check if the gfid is different for file from other node */
- if (!op_ret && gf_uuid_compare (local->gfid, stbuf->ia_gfid)) {
+ ret = dht_layout_merge(this, layout, prev, op_ret, op_errno, xattr);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LAYOUT_MERGE_FAILED,
+ "%s: failed to merge layouts for subvol %s", local->loc.path,
+ prev->name);
- gf_uuid_unparse(stbuf->ia_gfid, gfid_node);
- gf_uuid_unparse(local->gfid, gfid_local);
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ gf_msg_debug(this->name, op_errno,
+ "lookup of %s on %s returned error", local->loc.path,
+ prev->name);
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_GFID_MISMATCH,
- "%s: gfid different on %s, gfid local = %s"
- "gfid other = %s",
- local->loc.path, prev->name,
- gfid_local, gfid_node);
+ goto unlock;
}
+ is_linkfile = check_is_linkfile(inode, stbuf, xattr,
+ conf->link_xattr_name);
+ is_dir = check_is_dir(inode, stbuf, xattr);
- LOCK (&frame->lock);
- {
- /* TODO: assert equal mode on stbuf->st_mode and
- local->stbuf->st_mode
-
- else mkdir/chmod/chown and fix
- */
-
- ret = dht_layout_merge (this, layout, prev,
- op_ret, op_errno, xattr);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_MERGE_FAILED,
- "%s: failed to merge layouts for subvol %s",
- local->loc.path, prev->name);
-
- if (op_ret == -1) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "lookup of %s on %s returned error",
- local->loc.path, prev->name);
-
- goto unlock;
- }
-
- is_linkfile = check_is_linkfile (inode, stbuf, xattr,
- conf->link_xattr_name);
- is_dir = check_is_dir (inode, stbuf, xattr);
-
- if (is_dir) {
- local->dir_count ++;
- } else {
- local->file_count ++;
-
- if (!is_linkfile && !local->cached_subvol) {
- /* real file */
- /* Ok, we somehow managed to find a file on
- * more than one subvol. ignore this or we
- * will end up overwriting information while a
- * a thread is potentially unwinding from
- * dht_discover_complete
- */
- local->cached_subvol = prev;
- attempt_unwind = 1;
- } else {
- goto unlock;
- }
- }
-
- local->op_ret = 0;
-
- if (local->xattr == NULL) {
- local->xattr = dict_ref (xattr);
- } else {
- /* Don't aggregate for files. See BZ#1484113 */
- if (is_dir)
- dht_aggregate_xattr (local->xattr, xattr);
- }
+ if (is_dir) {
+ local->dir_count++;
+ } else {
+ local->file_count++;
+
+ if (!is_linkfile && !local->cached_subvol) {
+ /* real file */
+ /* Ok, we somehow managed to find a file on
+ * more than one subvol. ignore this or we
+ * will end up overwriting information while a
+ * a thread is potentially unwinding from
+ * dht_discover_complete
+ */
+ local->cached_subvol = prev;
+ attempt_unwind = 1;
+ } else {
+ goto unlock;
+ }
+ }
- if (local->inode == NULL)
- local->inode = inode_ref (inode);
+ local->op_ret = 0;
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->postparent, postparent);
+ if (local->xattr == NULL) {
+ local->xattr = dict_ref(xattr);
+ } else {
+ /* Don't aggregate for files. See BZ#1484709 */
+ if (is_dir)
+ dht_aggregate_xattr(local->xattr, xattr);
+ }
- if (!dict_get (xattr, conf->mds_xattr_key)) {
- goto unlock;
- } else {
- gf_msg_debug (this->name, 0,
- "internal xattr %s is present on subvol"
- "on path %s gfid is %s " ,
- conf->mds_xattr_key,
- local->loc.path, gfid_local);
- }
- check_mds = dht_dict_get_array (xattr, conf->mds_xattr_key,
- mds_xattr_val, 1, &errst);
- /* save mds subvol on inode ctx */
- ret = dht_inode_ctx_mdsvol_set (local->inode, this,
- prev);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SET_INODE_CTX_FAILED,
- "Failed to set hashed subvol for %s vol is %s",
- local->loc.path, prev->name);
- }
+ if (local->inode == NULL)
+ local->inode = inode_ref(inode);
- if ((check_mds < 0) && !errst) {
- local->mds_xattr = dict_ref (xattr);
- gf_msg_debug (this->name, 0,
- "Value of %s is not zero on mds subvol"
- "so xattr needs to be healed on non mds"
- " path is %s and vol name is %s "
- " gfid is %s" ,
- conf->mds_xattr_key,
- local->loc.path,
- prev->name, gfid_local);
- local->need_xattr_heal = 1;
- local->mds_subvol = prev;
- }
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->postparent, postparent);
- }
+ if (!dict_get(xattr, conf->mds_xattr_key)) {
+ goto unlock;
+ } else {
+ gf_msg_debug(this->name, 0,
+ "internal xattr %s is present on subvol"
+ "on path %s gfid is %s ",
+ conf->mds_xattr_key, local->loc.path, gfid_local);
+ }
+ check_mds = dht_dict_get_array(xattr, conf->mds_xattr_key,
+ mds_xattr_val, 1, &errst);
+ /* save mds subvol on inode ctx */
+ ret = dht_inode_ctx_mdsvol_set(local->inode, this, prev);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SET_INODE_CTX_FAILED,
+ "Failed to set hashed subvol for %s vol is %s",
+ local->loc.path, prev->name);
+ }
+
+ if ((check_mds < 0) && !errst) {
+ local->mds_xattr = dict_ref(xattr);
+ gf_msg_debug(this->name, 0,
+ "Value of %s is not zero on mds subvol"
+ "so xattr needs to be healed on non mds"
+ " path is %s and vol name is %s "
+ " gfid is %s",
+ conf->mds_xattr_key, local->loc.path, prev->name,
+ gfid_local);
+ local->need_xattr_heal = 1;
+ local->mds_subvol = prev;
+ }
+ }
unlock:
- UNLOCK (&frame->lock);
+ UNLOCK(&frame->lock);
out:
- /* Make sure, the thread executing dht_discover_complete is the one
- * which calls STACK_DESTROY (frame). In the case of "attempt_unwind",
- * this makes sure that the thread don't call dht_frame_return, till
- * call to dht_discover_complete is done.
- */
- if (attempt_unwind) {
- dht_discover_complete (this, frame);
- }
+ /* Make sure, the thread executing dht_discover_complete is the one
+ * which calls STACK_DESTROY (frame). In the case of "attempt_unwind",
+ * this makes sure that the thread don't call dht_frame_return, till
+ * call to dht_discover_complete is done.
+ */
+ if (attempt_unwind) {
+ dht_discover_complete(this, frame);
+ }
- this_call_cnt = dht_frame_return (frame);
+ this_call_cnt = dht_frame_return(frame);
- if (is_last_call (this_call_cnt) && !attempt_unwind) {
- dht_discover_complete (this, frame);
- }
+ if (is_last_call(this_call_cnt) && !attempt_unwind) {
+ dht_discover_complete(this, frame);
+ }
- if (is_last_call (this_call_cnt))
- DHT_STACK_DESTROY (frame);
+ if (is_last_call(this_call_cnt))
+ DHT_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
+static int
+dht_set_file_xattr_req(xlator_t *this, loc_t *loc, dict_t *xattr_req)
+{
+ int ret = -EINVAL;
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+ if (!conf) {
+ goto err;
+ }
+
+ if (!xattr_req) {
+ goto err;
+ }
+
+ /* Used to check whether this is a linkto file.
+ */
+ ret = dict_set_uint32(xattr_req, conf->link_xattr_name, 256);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value:key = %s for "
+ "path %s",
+ conf->link_xattr_name, loc->path);
+ goto err;
+ }
+
+ /* This is used to make sure we don't unlink linkto files
+ * which are the target of an ongoing file migration.
+ */
+ ret = dict_set_uint32(xattr_req, GLUSTERFS_OPEN_FD_COUNT, 4);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value:key = %s for "
+ "path %s",
+ GLUSTERFS_OPEN_FD_COUNT, loc->path);
+ goto err;
+ }
+
+ ret = 0;
+err:
+ return ret;
+}
-int
-dht_do_discover (call_frame_t *frame, xlator_t *this, loc_t *loc)
-{
- int ret;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int call_cnt = 0;
- int op_errno = EINVAL;
- int i = 0;
- call_frame_t *discover_frame = NULL;
-
- conf = this->private;
- local = frame->local;
-
- ret = dht_set_file_xattr_req (this, loc, local->xattr_req);
- if (ret) {
- goto err;
- }
-
- ret = dht_set_dir_xattr_req (this, loc, local->xattr_req);
- if (ret) {
- goto err;
- }
-
- if (loc_is_root (loc)) {
- ret = dict_set_uint32 (local->xattr_req,
- conf->commithash_xattr_name,
- sizeof(uint32_t));
- }
+/* This is a gfid based nameless lookup. Without a name, the hashed subvol
+ * cannot be calculated so a lookup is sent to all subvols.
+ */
+static int
+dht_do_discover(call_frame_t *frame, xlator_t *this, loc_t *loc)
+{
+ int ret;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int call_cnt = 0;
+ int op_errno = EINVAL;
+ int i = 0;
+ call_frame_t *discover_frame = NULL;
+
+ conf = this->private;
+ local = frame->local;
+
+ /* As we do not know if this is a file or directory, request
+ * both file and directory xattrs
+ */
+ ret = dht_set_file_xattr_req(this, loc, local->xattr_req);
+ if (ret) {
+ goto err;
+ }
+
+ ret = dht_set_dir_xattr_req(this, loc, local->xattr_req);
+ if (ret) {
+ goto err;
+ }
+
+ if (loc_is_root(loc)) {
+ /* Request the DHT commit hash xattr (trusted.glusterfs.dht.commithash)
+ * set on the brick root.
+ */
+ ret = dict_set_uint32(local->xattr_req, conf->commithash_xattr_name,
+ sizeof(uint32_t));
+ }
- call_cnt = conf->subvolume_cnt;
- local->call_cnt = call_cnt;
+ call_cnt = conf->subvolume_cnt;
+ local->call_cnt = call_cnt;
- local->layout = dht_layout_new (this, conf->subvolume_cnt);
+ local->layout = dht_layout_new(this, conf->subvolume_cnt);
- if (!local->layout) {
- op_errno = ENOMEM;
- goto err;
- }
+ if (!local->layout) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- gf_uuid_copy (local->gfid, loc->gfid);
+ gf_uuid_copy(local->gfid, loc->gfid);
- discover_frame = copy_frame (frame);
- if (!discover_frame) {
- op_errno = ENOMEM;
- goto err;
- }
+ discover_frame = copy_frame(frame);
+ if (!discover_frame) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- discover_frame->local = local;
- frame->local = NULL;
- local->main_frame = frame;
+ discover_frame->local = local;
+ frame->local = NULL;
+ local->main_frame = frame;
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (discover_frame, dht_discover_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- &local->loc, local->xattr_req);
- }
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND_COOKIE(discover_frame, dht_discover_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, &local->loc,
+ local->xattr_req);
+ }
- return 0;
+ return 0;
err:
- DHT_STACK_UNWIND (lookup, frame, -1, op_errno, NULL, NULL, NULL,
- NULL);
+ DHT_STACK_UNWIND(lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-/* Get the value of key from dict in the bytewise and save in array after
- convert from network byte order to host byte order
-*/
-int32_t
-dht_dict_get_array (dict_t *dict, char *key, int32_t value[], int32_t size, int *errst)
-{
- void *ptr = NULL;
- int32_t len = -1;
- int32_t vindex = -1;
- int32_t err = -1;
- int ret = 0;
-
- if (dict == NULL) {
- (*errst) = -1;
- return -EINVAL;
- }
- err = dict_get_ptr_and_len(dict, key, &ptr, &len);
- if (err != 0) {
- (*errst) = -1;
- return err;
- }
-
- if (len != (size * sizeof (int32_t))) {
- (*errst) = -1;
- return -EINVAL;
- }
-
- memset (value, 0, size * sizeof(int32_t));
- for (vindex = 0; vindex < size; vindex++) {
- value[vindex] = ntoh32(*((int32_t *)ptr + vindex));
- if (value[vindex] < 0)
- ret = -1;
- }
-
- return ret;
-}
-
-
/* Code to call syntask to heal custom xattr from hashed subvol
to non hashed subvol
*/
int
-dht_dir_xattr_heal (xlator_t *this, dht_local_t *local)
+dht_dir_xattr_heal(xlator_t *this, dht_local_t *local, int *op_errno)
{
- dht_local_t *copy_local = NULL;
- call_frame_t *copy = NULL;
- int ret = -1;
- char gfid_local[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *copy_local = NULL;
+ call_frame_t *copy = NULL;
+ int ret = -1;
+ char gfid_local[GF_UUID_BUF_SIZE] = {0};
- if (local->gfid) {
- gf_uuid_unparse(local->gfid, gfid_local);
+ if (gf_uuid_is_null(local->gfid)) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DIR_XATTR_HEAL_FAILED,
+ "No gfid exists for path %s "
+ "so healing xattr is not possible",
+ local->loc.path);
+ *op_errno = EIO;
+ goto out;
+ }
+
+ gf_uuid_unparse(local->gfid, gfid_local);
+ copy = create_frame(this, this->ctx->pool);
+ if (copy) {
+ copy_local = dht_local_init(copy, &(local->loc), NULL, 0);
+ if (!copy_local) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM,
+ DHT_MSG_DIR_XATTR_HEAL_FAILED,
+ "Memory allocation failed "
+ "for path %s gfid %s ",
+ local->loc.path, gfid_local);
+ *op_errno = ENOMEM;
+ DHT_STACK_DESTROY(copy);
} else {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "No gfid exists for path %s "
- "so healing xattr is not possible",
- local->loc.path);
- goto out;
- }
-
- copy = create_frame (this, this->ctx->pool);
- if (copy) {
- copy_local = dht_local_init (copy, &(local->loc), NULL, 0);
- if (!copy_local) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "Memory allocation failed "
- "for path %s gfid %s ",
- local->loc.path, gfid_local);
- DHT_STACK_DESTROY (copy);
- } else {
- copy_local->stbuf = local->stbuf;
- gf_uuid_copy (copy_local->loc.gfid, local->gfid);
- copy_local->mds_subvol = local->mds_subvol;
- FRAME_SU_DO (copy, dht_local_t);
- ret = synctask_new (this->ctx->env, dht_dir_heal_xattrs,
- dht_dir_heal_xattrs_done,
- copy, copy);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "Synctask creation failed to heal xattr "
- "for path %s gfid %s ",
- local->loc.path, gfid_local);
- DHT_STACK_DESTROY (copy);
- }
- }
+ copy_local->stbuf = local->stbuf;
+ gf_uuid_copy(copy_local->loc.gfid, local->gfid);
+ copy_local->mds_subvol = local->mds_subvol;
+ FRAME_SU_DO(copy, dht_local_t);
+ ret = synctask_new(this->ctx->env, dht_dir_heal_xattrs,
+ dht_dir_heal_xattrs_done, copy, copy);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM,
+ DHT_MSG_DIR_XATTR_HEAL_FAILED,
+ "Synctask creation failed to heal xattr "
+ "for path %s gfid %s ",
+ local->loc.path, gfid_local);
+ *op_errno = ENOMEM;
+ DHT_STACK_DESTROY(copy);
+ }
}
+ }
out:
- return ret;
+ return ret;
}
+static int
+dht_needs_selfheal(call_frame_t *frame, xlator_t *this)
+{
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int needs_selfheal = 0;
+ int ret = 0;
+ local = frame->local;
+ layout = local->layout;
-int
-dht_lookup_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- dht_layout_t *layout = NULL;
- int ret = -1;
- int is_dir = 0;
- int32_t check_mds = 0;
- int errst = 0;
- char gfid_local[GF_UUID_BUF_SIZE] = {0};
- char gfid_node[GF_UUID_BUF_SIZE] = {0};
- int32_t mds_xattr_val[1] = {0};
- call_frame_t *copy = NULL;
- dht_local_t *copy_local = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", this->private, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
-
- local = frame->local;
- prev = cookie;
- conf = this->private;
+ if (local->need_attrheal || local->need_xattr_heal ||
+ local->need_selfheal) {
+ needs_selfheal = 1;
+ }
- layout = local->layout;
+ ret = dht_layout_normalize(this, &local->loc, layout);
- if (!op_ret && gf_uuid_is_null (local->gfid)) {
- memcpy (local->gfid, stbuf->ia_gfid, 16);
- }
- if (local->gfid)
- gf_uuid_unparse(local->gfid, gfid_local);
+ if (ret != 0) {
+ gf_msg_debug(this->name, 0, "fixing assignment on %s", local->loc.path);
+ needs_selfheal = 1;
+ }
+ return needs_selfheal;
+}
- /* Check if the gfid is different for file from other node */
- if (!op_ret && gf_uuid_compare (local->gfid, stbuf->ia_gfid)) {
+static int
+is_permission_different(ia_prot_t *prot1, ia_prot_t *prot2)
+{
+ if ((prot1->owner.read != prot2->owner.read) ||
+ (prot1->owner.write != prot2->owner.write) ||
+ (prot1->owner.exec != prot2->owner.exec) ||
+ (prot1->group.read != prot2->group.read) ||
+ (prot1->group.write != prot2->group.write) ||
+ (prot1->group.exec != prot2->group.exec) ||
+ (prot1->other.read != prot2->other.read) ||
+ (prot1->other.write != prot2->other.write) ||
+ (prot1->other.exec != prot2->other.exec) ||
+ (prot1->suid != prot2->suid) || (prot1->sgid != prot2->sgid) ||
+ (prot1->sticky != prot2->sticky)) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
+int
+dht_lookup_dir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode, struct iatt *stbuf,
+ dict_t *xattr, struct iatt *postparent)
+{
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ dht_layout_t *layout = NULL;
+ int ret = -1;
+ int is_dir = 0;
+ int32_t check_mds = 0;
+ int errst = 0;
+ char gfid_local[GF_UUID_BUF_SIZE] = {0};
+ char gfid_node[GF_UUID_BUF_SIZE] = {0};
+ int32_t mds_xattr_val[1] = {0};
+
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", this->private, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ layout = local->layout;
+ gf_msg_debug(this->name, op_errno,
+ "%s: lookup on %s returned with op_ret = %d, op_errno = %d",
+ local->loc.path, prev->name, op_ret, op_errno);
+
+ /* The first successful lookup*/
+ if (!op_ret && gf_uuid_is_null(local->gfid)) {
+ memcpy(local->gfid, stbuf->ia_gfid, 16);
+ }
+ if (!gf_uuid_is_null(local->gfid)) {
+ gf_uuid_unparse(local->gfid, gfid_local);
+ }
+
+ /* Check if the gfid is different for file from other node */
+ if (!op_ret && gf_uuid_compare(local->gfid, stbuf->ia_gfid)) {
+ gf_uuid_unparse(stbuf->ia_gfid, gfid_node);
+
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_GFID_MISMATCH,
+ "%s: gfid different on %s."
+ " gfid local = %s, gfid subvol = %s",
+ local->loc.path, prev->name, gfid_local, gfid_node);
+ }
+
+ LOCK(&frame->lock);
+ {
+ /* TODO: assert equal mode on stbuf->st_mode and
+ local->stbuf->st_mode
+ else mkdir/chmod/chown and fix
+ */
+ ret = dht_layout_merge(this, layout, prev, op_ret, op_errno, xattr);
- gf_uuid_unparse(stbuf->ia_gfid, gfid_node);
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_GFID_MISMATCH,
- "%s: gfid different on %s."
- " gfid local = %s, gfid subvol = %s",
- local->loc.path, prev->name,
- gfid_local, gfid_node);
+ /* The GFID is missing on this subvol. Force a heal. */
+ if (op_errno == ENODATA) {
+ local->need_lookup_everywhere = 1;
+ }
+ goto unlock;
}
- LOCK (&frame->lock);
- {
- /* TODO: assert equal mode on stbuf->st_mode and
- local->stbuf->st_mode
-
- else mkdir/chmod/chown and fix
- */
- ret = dht_layout_merge (this, layout, prev, op_ret, op_errno,
- xattr);
-
- if (op_ret == -1) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "lookup of %s on %s returned error",
- local->loc.path, prev->name);
-
- goto unlock;
- }
-
- is_dir = check_is_dir (inode, stbuf, xattr);
- if (!is_dir) {
+ is_dir = check_is_dir(inode, stbuf, xattr);
+ if (!is_dir) {
+ gf_msg_debug(this->name, 0,
+ "%s: lookup on %s returned non dir 0%o"
+ "calling lookup_everywhere",
+ local->loc.path, prev->name, stbuf->ia_type);
- gf_msg_debug (this->name, 0,
- "lookup of %s on %s returned non"
- "dir 0%o"
- "calling lookup_everywhere",
- local->loc.path, prev->name,
- stbuf->ia_type);
-
- local->need_selfheal = 1;
- goto unlock;
- }
+ local->need_lookup_everywhere = 1;
+ goto unlock;
+ }
- local->op_ret = 0;
- if (local->xattr == NULL) {
- local->xattr = dict_ref (xattr);
- } else {
- dht_aggregate_xattr (local->xattr, xattr);
- }
+ local->op_ret = 0;
+ if (local->xattr == NULL) {
+ local->xattr = dict_ref(xattr);
+ } else {
+ dht_aggregate_xattr(local->xattr, xattr);
+ }
- if (dict_get (xattr, conf->mds_xattr_key)) {
- local->mds_subvol = prev;
- local->mds_stbuf.ia_gid = stbuf->ia_gid;
- local->mds_stbuf.ia_uid = stbuf->ia_uid;
- local->mds_stbuf.ia_prot = stbuf->ia_prot;
- }
+ if (__is_root_gfid(stbuf->ia_gfid)) {
+ ret = dht_dir_has_layout(xattr, conf->xattr_name);
+ if (ret >= 0) {
+ if (is_greater_time(local->prebuf.ia_ctime,
+ local->prebuf.ia_ctime_nsec,
+ stbuf->ia_ctime, stbuf->ia_ctime_nsec)) {
+ /* Choose source */
+ local->prebuf.ia_gid = stbuf->ia_gid;
+ local->prebuf.ia_uid = stbuf->ia_uid;
- if (local->stbuf.ia_type != IA_INVAL) {
- if (!__is_root_gfid (stbuf->ia_gfid) &&
- ((local->stbuf.ia_gid != stbuf->ia_gid) ||
- (local->stbuf.ia_uid != stbuf->ia_uid) ||
- (is_permission_different (&local->stbuf.ia_prot,
- &stbuf->ia_prot)))) {
- local->need_attrheal = 1;
- }
+ local->prebuf.ia_ctime = stbuf->ia_ctime;
+ local->prebuf.ia_ctime_nsec = stbuf->ia_ctime_nsec;
+ local->prebuf.ia_prot = stbuf->ia_prot;
}
+ }
+ }
- if (local->inode == NULL)
- local->inode = inode_ref (inode);
+ if (local->stbuf.ia_type != IA_INVAL) {
+ /* This is not the first subvol to respond
+ * Compare values to see if attrs need to be healed
+ */
+ if ((local->stbuf.ia_gid != stbuf->ia_gid) ||
+ (local->stbuf.ia_uid != stbuf->ia_uid) ||
+ (is_permission_different(&local->stbuf.ia_prot,
+ &stbuf->ia_prot))) {
+ local->need_attrheal = 1;
+ }
+ }
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->postparent, postparent);
+ if (local->inode == NULL)
+ local->inode = inode_ref(inode);
- if (!dict_get (xattr, conf->mds_xattr_key)) {
- gf_msg_debug (this->name, 0,
- "Internal xattr %s is not present "
- " on path %s gfid is %s " ,
- conf->mds_xattr_key,
- local->loc.path, gfid_local);
- goto unlock;
- } else {
- /* Save mds subvol on inode ctx */
- ret = dht_inode_ctx_mdsvol_set (local->inode, this,
- prev);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SET_INODE_CTX_FAILED,
- "Failed to set hashed subvol for %s vol is %s",
- local->loc.path, prev->name);
- }
- }
- check_mds = dht_dict_get_array (xattr, conf->mds_xattr_key,
- mds_xattr_val, 1, &errst);
- if ((check_mds < 0) && !errst) {
- local->mds_xattr = dict_ref (xattr);
- gf_msg_debug (this->name, 0,
- "Value of %s is not zero on hashed subvol "
- "so xattr needs to be heal on non hashed"
- " path is %s and vol name is %s "
- " gfid is %s" ,
- conf->mds_xattr_key,
- local->loc.path,
- prev->name, gfid_local);
- local->need_xattr_heal = 1;
- local->mds_subvol = prev;
- }
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->postparent, postparent);
+ if (!dict_get(xattr, conf->mds_xattr_key)) {
+ gf_msg_debug(this->name, 0,
+ "%s: mds xattr %s is not present "
+ "on %s(gfid = %s)",
+ local->loc.path, conf->mds_xattr_key, prev->name,
+ gfid_local);
+ goto unlock;
}
-unlock:
- UNLOCK (&frame->lock);
-
- this_call_cnt = dht_frame_return (frame);
+ /* Save the mds subvol info and stbuf. This is the value that will
+ * be used for healing
+ */
+ local->mds_subvol = prev;
+ local->mds_stbuf = *stbuf;
- if (is_last_call (this_call_cnt)) {
- /* No need to call xattr heal code if volume count is 1
- */
- if (conf->subvolume_cnt == 1)
- local->need_xattr_heal = 0;
+ /* Save mds subvol on inode ctx */
- /* Code to update all extended attributed from hashed subvol
- to local->xattr
- */
- if (local->need_xattr_heal && (local->mds_xattr)) {
- dht_dir_set_heal_xattr (this, local, local->xattr,
- local->mds_xattr, NULL, NULL);
- dict_unref (local->mds_xattr);
- local->mds_xattr = NULL;
- }
+ ret = dht_inode_ctx_mdsvol_set(local->inode, this, prev);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SET_INODE_CTX_FAILED,
+ "%s: Failed to set mds (%s)", local->loc.path, prev->name);
+ }
+ check_mds = dht_dict_get_array(xattr, conf->mds_xattr_key,
+ mds_xattr_val, 1, &errst);
+ if ((check_mds < 0) && !errst) {
+ /* Check if xattrs need to be healed on the directories */
+ local->mds_xattr = dict_ref(xattr);
+ gf_msg_debug(this->name, 0,
+ "%s: %s is not zero on %s. Xattrs need to be healed."
+ "(gfid = %s)",
+ local->loc.path, conf->mds_xattr_key, prev->name,
+ gfid_local);
+ local->need_xattr_heal = 1;
+ }
+ }
- if (local->need_selfheal) {
- local->need_selfheal = 0;
- dht_lookup_everywhere (frame, this, &local->loc);
- return 0;
- }
+unlock:
+ UNLOCK(&frame->lock);
- if (local->op_ret == 0) {
- ret = dht_layout_normalize (this, &local->loc, layout);
+ this_call_cnt = dht_frame_return(frame);
- if (ret != 0) {
- gf_msg_debug (this->name, 0,
- "fixing assignment on %s",
- local->loc.path);
- goto selfheal;
- }
+ if (is_last_call(this_call_cnt)) {
+ /* If the mds subvol is not set correctly*/
+ if (!__is_root_gfid(local->gfid) &&
+ (!dict_get(local->xattr, conf->mds_xattr_key))) {
+ local->need_selfheal = 1;
+ }
- dht_layout_set (this, local->inode, layout);
- if (!dict_get (local->xattr, conf->mds_xattr_key) ||
- local->need_xattr_heal)
- goto selfheal;
- }
+ /* No need to call xattr heal code if volume count is 1
+ */
+ if (conf->subvolume_cnt == 1) {
+ local->need_xattr_heal = 0;
+ }
+
+ if (local->need_selfheal || local->need_lookup_everywhere) {
+ /* Set the gfid-req so posix will set the GFID*/
+ if (!gf_uuid_is_null(local->gfid)) {
+ /* Ok, this should _never_ happen */
+ ret = dict_set_static_bin(local->xattr_req, "gfid-req",
+ local->gfid, 16);
+ } else {
+ if (!gf_uuid_is_null(local->gfid_req))
+ ret = dict_set_static_bin(local->xattr_req, "gfid-req",
+ local->gfid_req, 16);
+ }
+ }
- if (local->inode) {
- dht_inode_ctx_time_update (local->inode, this,
- &local->stbuf, 1);
- }
+ if (local->need_lookup_everywhere) {
+ local->need_lookup_everywhere = 0;
+ dht_lookup_everywhere(frame, this, &local->loc);
+ return 0;
+ }
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->postparent, 1);
- }
+ if (local->op_ret == 0) {
+ if (dht_needs_selfheal(frame, this)) {
+ goto selfheal;
+ }
- if (local->need_attrheal) {
- local->need_attrheal = 0;
- if (!__is_root_gfid (inode->gfid)) {
- local->stbuf.ia_gid = local->mds_stbuf.ia_gid;
- local->stbuf.ia_uid = local->mds_stbuf.ia_uid;
- local->stbuf.ia_prot = local->mds_stbuf.ia_prot;
- }
- copy = create_frame (this, this->ctx->pool);
- if (copy) {
- copy_local = dht_local_init (copy, &local->loc,
- NULL, 0);
- if (!copy_local) {
- DHT_STACK_DESTROY (copy);
- goto skip_attr_heal;
- }
- copy_local->stbuf = local->stbuf;
- gf_uuid_copy (copy_local->loc.gfid,
- local->stbuf.ia_gfid);
- copy_local->mds_stbuf = local->mds_stbuf;
- copy_local->mds_subvol = local->mds_subvol;
- copy->local = copy_local;
- FRAME_SU_DO (copy, dht_local_t);
- ret = synctask_new (this->ctx->env,
- dht_dir_attr_heal,
- dht_dir_attr_heal_done,
- copy, copy);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_DIR_ATTR_HEAL_FAILED,
- "Synctask creation failed to heal attr "
- "for path %s gfid %s ",
- local->loc.path, local->gfid);
- DHT_STACK_DESTROY (copy);
- }
- }
- }
+ dht_layout_set(this, local->inode, layout);
+ if (local->inode) {
+ dht_inode_ctx_time_update(local->inode, this, &local->stbuf, 1);
+ }
-skip_attr_heal:
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- dht_set_fixed_dir_stat (&local->postparent);
- /* Delete mds xattr at the time of STACK UNWIND */
- if (local->xattr)
- GF_REMOVE_INTERNAL_XATTR (conf->mds_xattr_key, local->xattr);
- DHT_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- local->inode, &local->stbuf, local->xattr,
- &local->postparent);
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
+ }
}
- return 0;
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ dht_set_fixed_dir_stat(&local->postparent);
+ /* Delete mds xattr at the time of STACK UNWIND */
+ if (local->xattr)
+ GF_REMOVE_INTERNAL_XATTR(conf->mds_xattr_key, local->xattr);
+
+ DHT_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->stbuf, local->xattr,
+ &local->postparent);
+ }
+
+ return 0;
selfheal:
- FRAME_SU_DO (frame, dht_local_t);
- ret = dht_selfheal_directory (frame, dht_lookup_selfheal_cbk,
- &local->loc, layout);
+ FRAME_SU_DO(frame, dht_local_t);
+ ret = dht_selfheal_directory(frame, dht_lookup_selfheal_cbk, &local->loc,
+ layout);
out:
- return ret;
+ return ret;
}
-int
-is_permission_different (ia_prot_t *prot1, ia_prot_t *prot2)
-{
- if ((prot1->owner.read != prot2->owner.read) ||
- (prot1->owner.write != prot2->owner.write) ||
- (prot1->owner.exec != prot2->owner.exec) ||
- (prot1->group.read != prot2->group.read) ||
- (prot1->group.write != prot2->group.write) ||
- (prot1->group.exec != prot2->group.exec) ||
- (prot1->other.read != prot2->other.read) ||
- (prot1->other.write != prot2->other.write) ||
- (prot1->other.exec != prot2->other.exec) ||
- (prot1->suid != prot2->suid) ||
- (prot1->sgid != prot2->sgid) ||
- (prot1->sticky != prot2->sticky)) {
- return 1;
- } else {
- return 0;
+static int
+dht_lookup_directory(call_frame_t *frame, xlator_t *this, loc_t *loc)
+{
+ int call_cnt = 0;
+ int i = 0;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ int ret = 0;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, unwind);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, unwind);
+ GF_VALIDATE_OR_GOTO("dht", this->private, unwind);
+ GF_VALIDATE_OR_GOTO("dht", loc, unwind);
+
+ conf = this->private;
+ local = frame->local;
+
+ call_cnt = conf->subvolume_cnt;
+ local->call_cnt = call_cnt;
+
+ local->layout = dht_layout_new(this, conf->subvolume_cnt);
+ if (!local->layout) {
+ goto unwind;
+ }
+
+ if (local->xattr != NULL) {
+ dict_unref(local->xattr);
+ local->xattr = NULL;
+ }
+
+ if (!gf_uuid_is_null(local->gfid)) {
+ /* use this gfid in order to heal any missing ones */
+ ret = dict_set_gfuuid(local->xattr_req, "gfid-req", local->gfid, true);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "%s: Failed to set dictionary value:"
+ " key = gfid-req",
+ local->loc.path);
+ }
+
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND_COOKIE(
+ frame, dht_lookup_dir_cbk, conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, &local->loc, local->xattr_req);
+ }
+ return 0;
+unwind:
+ DHT_STACK_UNWIND(lookup, frame, -1, ENOMEM, NULL, NULL, NULL, NULL);
+out:
+ return 0;
+}
+
+int
+dht_revalidate_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode, struct iatt *stbuf,
+ dict_t *xattr, struct iatt *postparent)
+{
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+ int is_dir = 0;
+ int is_linkfile = 0;
+ int follow_link = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ uint32_t vol_commit_hash = 0;
+ xlator_t *subvol = NULL;
+ int32_t check_mds = 0;
+ int errst = 0, i = 0;
+ int32_t mds_xattr_val[1] = {0};
+
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, err);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, err);
+ GF_VALIDATE_OR_GOTO("dht", cookie, err);
+ GF_VALIDATE_OR_GOTO("dht", this->private, err);
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ if (!conf->vch_forced) {
+ /* Update the commithash value if available
+ */
+ ret = dict_get_uint32(xattr, conf->commithash_xattr_name,
+ &vol_commit_hash);
+ if (ret == 0) {
+ conf->vol_commit_hash = vol_commit_hash;
}
-}
+ }
-int
-dht_revalidate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
-{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- dht_layout_t *layout = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
- int is_dir = 0;
- int is_linkfile = 0;
- int follow_link = 0;
- call_frame_t *copy = NULL;
- dht_local_t *copy_local = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- uint32_t vol_commit_hash = 0;
- xlator_t *subvol = NULL;
- int32_t check_mds = 0;
- int errst = 0;
- int32_t mds_xattr_val[1] = {0};
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, err);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, err);
- GF_VALIDATE_OR_GOTO ("dht", cookie, err);
+ gf_uuid_unparse(local->loc.gfid, gfid);
- local = frame->local;
- prev = cookie;
- conf = this->private;
- if (!conf)
- goto out;
+ gf_msg_debug(this->name, op_errno,
+ "%s: revalidate lookup on %s returned op_ret %d",
+ local->loc.path, prev->name, op_ret);
- if (!conf->vch_forced) {
- ret = dict_get_uint32 (xattr, conf->commithash_xattr_name,
- &vol_commit_hash);
- if (ret == 0) {
- conf->vol_commit_hash = vol_commit_hash;
- }
+ LOCK(&frame->lock);
+ {
+ if (gf_uuid_is_null(local->gfid)) {
+ memcpy(local->gfid, local->loc.gfid, 16);
}
- gf_uuid_unparse (local->loc.gfid, gfid);
-
- LOCK (&frame->lock);
- {
- if (gf_uuid_is_null (local->gfid)) {
- memcpy (local->gfid, local->loc.gfid, 16);
- }
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+
+ if ((op_errno != ENOTCONN) && (op_errno != ENOENT) &&
+ (op_errno != ESTALE)) {
+ gf_msg(this->name, GF_LOG_INFO, op_errno,
+ DHT_MSG_REVALIDATE_CBK_INFO,
+ "Revalidate: subvolume %s for %s "
+ "(gfid = %s) returned -1",
+ prev->name, local->loc.path, gfid);
+ }
+ if (op_errno == ESTALE) {
+ /* propagate the ESTALE to parent.
+ * setting local->return_estale would send
+ * ESTALE to parent. */
+ local->return_estale = 1;
+ }
- gf_msg_debug (this->name, op_errno,
- "revalidate lookup of %s "
- "returned with op_ret %d",
- local->loc.path, op_ret);
-
- if (op_ret == -1) {
- local->op_errno = op_errno;
-
- if ((op_errno != ENOTCONN)
- && (op_errno != ENOENT)
- && (op_errno != ESTALE)) {
- gf_msg (this->name, GF_LOG_INFO, op_errno,
- DHT_MSG_REVALIDATE_CBK_INFO,
- "Revalidate: subvolume %s for %s "
- "(gfid = %s) returned -1",
- prev->name, local->loc.path,
- gfid);
- }
- if (op_errno == ESTALE) {
- /* propagate the ESTALE to parent.
- * setting local->return_estale would send
- * ESTALE to parent. */
- local->return_estale = 1;
+ /* if it is ENOENT, we may have to do a
+ * 'lookup_everywhere()' to make sure
+ * the file is not migrated */
+ if (op_errno == ENOENT) {
+ if (IA_ISREG(local->loc.inode->ia_type)) {
+ gf_msg_debug(this->name, 0,
+ "found ENOENT for %s. "
+ "Setting "
+ "need_lookup_everywhere"
+ " flag to 1",
+ local->loc.path);
+
+ local->need_lookup_everywhere = 1;
+ } else if (IA_ISDIR(local->loc.inode->ia_type)) {
+ layout = local->layout;
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].xlator == prev) {
+ layout->list[i].err = op_errno;
+ break;
}
+ }
- /* if it is ENOENT, we may have to do a
- * 'lookup_everywhere()' to make sure
- * the file is not migrated */
- if (op_errno == ENOENT) {
- if (IA_ISREG (local->loc.inode->ia_type)) {
-
- gf_msg_debug (this->name, 0,
- "found ENOENT for %s. "
- "Setting "
- "need_lookup_everywhere"
- " flag to 1",
- local->loc.path);
-
- local->need_lookup_everywhere = 1;
- }
- }
- goto unlock;
+ local->need_selfheal = 1;
}
+ }
- if ((!IA_ISINVAL(local->inode->ia_type)) &&
- stbuf->ia_type != local->inode->ia_type) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_FILE_TYPE_MISMATCH,
- "mismatching filetypes 0%o v/s 0%o for %s,"
- " gfid = %s",
- (stbuf->ia_type), (local->inode->ia_type),
- local->loc.path, gfid);
+ /* The GFID is missing on this subvol. Lookup everywhere to force a
+ * gfid heal
+ */
+ if ((op_errno == ENODATA) &&
+ (IA_ISDIR(local->loc.inode->ia_type))) {
+ local->need_lookup_everywhere = 1;
+ }
- local->op_ret = -1;
- local->op_errno = EINVAL;
+ goto unlock;
+ }
- goto unlock;
+ if ((!IA_ISINVAL(local->inode->ia_type)) &&
+ stbuf->ia_type != local->inode->ia_type) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_FILE_TYPE_MISMATCH,
+ "mismatching filetypes 0%o v/s 0%o for %s,"
+ " gfid = %s",
+ (stbuf->ia_type), (local->inode->ia_type), local->loc.path,
+ gfid);
- }
+ local->op_ret = -1;
+ local->op_errno = EINVAL;
- layout = local->layout;
+ goto unlock;
+ }
- is_dir = check_is_dir (inode, stbuf, xattr);
- is_linkfile = check_is_linkfile (inode, stbuf, xattr,
- conf->link_xattr_name);
- if (is_linkfile) {
- follow_link = 1;
- goto unlock;
- }
- if (is_dir) {
- ret = dht_dir_has_layout (xattr, conf->xattr_name);
- if (ret >= 0) {
- if (is_greater_time(local->stbuf.ia_ctime,
- local->stbuf.ia_ctime_nsec,
- stbuf->ia_ctime,
- stbuf->ia_ctime_nsec)) {
- /* Choose source */
- local->prebuf.ia_gid = stbuf->ia_gid;
- local->prebuf.ia_uid = stbuf->ia_uid;
-
- if (__is_root_gfid (stbuf->ia_gfid))
- local->prebuf.ia_prot = stbuf->ia_prot;
- }
- }
+ layout = local->layout;
- if (local->stbuf.ia_type != IA_INVAL)
- {
- if ((local->stbuf.ia_gid != stbuf->ia_gid) ||
- (local->stbuf.ia_uid != stbuf->ia_uid) ||
- is_permission_different (&local->stbuf.ia_prot,
- &stbuf->ia_prot)) {
- local->need_selfheal = 1;
- }
- }
+ is_dir = check_is_dir(inode, stbuf, xattr);
+ is_linkfile = check_is_linkfile(inode, stbuf, xattr,
+ conf->link_xattr_name);
+ if (is_linkfile) {
+ follow_link = 1;
+ goto unlock;
+ }
+ if (is_dir) {
+ ret = dht_dir_has_layout(xattr, conf->xattr_name);
+ if (ret >= 0) {
+ if (is_greater_time(local->prebuf.ia_ctime,
+ local->prebuf.ia_ctime_nsec,
+ stbuf->ia_ctime, stbuf->ia_ctime_nsec)) {
+ /* Choose source */
+ local->prebuf.ia_gid = stbuf->ia_gid;
+ local->prebuf.ia_uid = stbuf->ia_uid;
- if (!dict_get (xattr, conf->mds_xattr_key)) {
- gf_msg_debug (this->name, 0,
- "internal xattr %s is not present"
- " on path %s gfid is %s " ,
- conf->mds_xattr_key,
- local->loc.path, gfid);
- } else {
- check_mds = dht_dict_get_array (xattr, conf->mds_xattr_key,
- mds_xattr_val, 1, &errst);
- local->mds_subvol = prev;
- local->mds_stbuf.ia_gid = stbuf->ia_gid;
- local->mds_stbuf.ia_uid = stbuf->ia_uid;
- local->mds_stbuf.ia_prot = stbuf->ia_prot;
-
- /* save mds subvol on inode ctx */
- ret = dht_inode_ctx_mdsvol_set (local->inode, this,
- prev);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SET_INODE_CTX_FAILED,
- "Failed to set MDS subvol for %s vol is %s",
- local->loc.path, prev->name);
- }
- if ((check_mds < 0) && !errst) {
- local->mds_xattr = dict_ref (xattr);
- gf_msg_debug (this->name, 0,
- "Value of %s is not zero on "
- "hashed subvol so xattr needs to"
- " be healed on non hashed"
- " path is %s and vol name is %s "
- " gfid is %s" ,
- conf->mds_xattr_key,
- local->loc.path,
- prev->name, gfid);
- local->need_xattr_heal = 1;
- }
- }
- ret = dht_layout_dir_mismatch (this, layout,
- prev, &local->loc,
- xattr);
- if (ret != 0) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LAYOUT_MISMATCH,
- "Mismatching layouts for %s, gfid = %s",
- local->loc.path, gfid);
-
- local->layout_mismatch = 1;
-
- goto unlock;
- }
+ local->prebuf.ia_ctime = stbuf->ia_ctime;
+ local->prebuf.ia_ctime_nsec = stbuf->ia_ctime_nsec;
+
+ if (__is_root_gfid(stbuf->ia_gfid))
+ local->prebuf.ia_prot = stbuf->ia_prot;
}
+ }
+ if (local->stbuf.ia_type != IA_INVAL) {
+ if ((local->stbuf.ia_gid != stbuf->ia_gid) ||
+ (local->stbuf.ia_uid != stbuf->ia_uid) ||
+ is_permission_different(&local->stbuf.ia_prot,
+ &stbuf->ia_prot)) {
+ local->need_attrheal = 1;
+ }
+ }
- /* Update stbuf from the servers where layout is present. This
- * is an indication that the server is not a newly added brick.
- * Merging stbuf from newly added brick may result in the added
- * brick being the source of heal for uid/gid */
- if (!is_dir || (is_dir &&
- dht_dir_has_layout (xattr, conf->xattr_name) >= 0)
- || conf->subvolume_cnt == 1) {
+ if (!dict_get(xattr, conf->mds_xattr_key)) {
+ gf_msg_debug(this->name, 0,
+ "%s: internal xattr %s is not present"
+ " on subvol %s(gfid is %s)",
+ local->loc.path, conf->mds_xattr_key, prev->name,
+ gfid);
+ } else {
+ check_mds = dht_dict_get_array(xattr, conf->mds_xattr_key,
+ mds_xattr_val, 1, &errst);
+ local->mds_subvol = prev;
+ local->mds_stbuf.ia_gid = stbuf->ia_gid;
+ local->mds_stbuf.ia_uid = stbuf->ia_uid;
+ local->mds_stbuf.ia_prot = stbuf->ia_prot;
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->postparent, postparent);
- } else {
- /* copy the gfid anyway */
- gf_uuid_copy (local->stbuf.ia_gfid, stbuf->ia_gfid);
+ /* save mds subvol on inode ctx */
+ ret = dht_inode_ctx_mdsvol_set(local->inode, this, prev);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_SET_INODE_CTX_FAILED,
+ "Failed to set MDS subvol for %s vol is %s",
+ local->loc.path, prev->name);
}
+ if ((check_mds < 0) && !errst) {
+ /* Check if xattrs need to be healed on the directory
+ */
+ local->mds_xattr = dict_ref(xattr);
+ gf_msg_debug(this->name, 0,
+ "Value of %s is not zero on "
+ "hashed subvol so xattr needs to"
+ " be healed on non hashed"
+ " path is %s and vol name is %s "
+ " gfid is %s",
+ conf->mds_xattr_key, local->loc.path,
+ prev->name, gfid);
+ local->need_xattr_heal = 1;
+ }
+ }
+ ret = dht_layout_dir_mismatch(this, layout, prev, &local->loc,
+ xattr);
+ if (ret != 0) {
+ /* In memory layout does not match on-disk layout.
+ */
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_LAYOUT_MISMATCH,
+ "Mismatching layouts for %s, gfid = %s", local->loc.path,
+ gfid);
- local->op_ret = 0;
+ local->layout_mismatch = 1;
- if (!local->xattr) {
- local->xattr = dict_ref (xattr);
- } else if (is_dir) {
- dht_aggregate_xattr (local->xattr, xattr);
- }
+ goto unlock;
+ }
+ }
+
+ gf_uuid_copy(local->stbuf.ia_gfid, stbuf->ia_gfid);
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->postparent, postparent);
+
+ local->op_ret = 0;
+
+ if (!local->xattr) {
+ local->xattr = dict_ref(xattr);
+ } else if (is_dir) {
+ dht_aggregate_xattr(local->xattr, xattr);
}
+ }
unlock:
- UNLOCK (&frame->lock);
+ UNLOCK(&frame->lock);
- if (follow_link) {
- gf_uuid_copy (local->gfid, stbuf->ia_gfid);
+ if (follow_link) {
+ /* Found a linkto file. Follow it to see if the target file exists
+ */
+ gf_uuid_copy(local->gfid, stbuf->ia_gfid);
- subvol = dht_linkfile_subvol (this, inode, stbuf, xattr);
- if (!subvol) {
- op_errno = ESTALE;
- local->op_ret = -1;
- } else {
+ subvol = dht_linkfile_subvol(this, inode, stbuf, xattr);
+ if (!subvol) {
+ op_errno = ESTALE;
+ local->op_ret = -1;
+ } else {
+ STACK_WIND_COOKIE(frame, dht_lookup_linkfile_cbk, subvol, subvol,
+ subvol->fops->lookup, &local->loc,
+ local->xattr_req);
+ return 0;
+ }
+ }
+
+ this_call_cnt = dht_frame_return(frame);
- STACK_WIND_COOKIE (frame, dht_lookup_linkfile_cbk,
- subvol, subvol, subvol->fops->lookup,
- &local->loc, local->xattr_req);
- return 0;
+ if (is_last_call(this_call_cnt)) {
+ if (!IA_ISDIR(local->stbuf.ia_type) &&
+ (local->hashed_subvol != local->cached_subvol) &&
+ (local->stbuf.ia_nlink == 1) &&
+ (conf && conf->unhashed_sticky_bit)) {
+ local->stbuf.ia_prot.sticky = 1;
+ }
+ /* No need to call heal code if volume count is 1
+ */
+ if (conf->subvolume_cnt == 1)
+ local->need_xattr_heal = 0;
+
+ if (IA_ISDIR(local->stbuf.ia_type)) {
+ /* No mds xattr found. Trigger a heal to set it */
+ if (!__is_root_gfid(local->loc.inode->gfid) &&
+ (!dict_get(local->xattr, conf->mds_xattr_key)))
+ local->need_selfheal = 1;
+
+ if (dht_needs_selfheal(frame, this)) {
+ if (!__is_root_gfid(local->loc.inode->gfid)) {
+ if (local->mds_subvol) {
+ local->stbuf.ia_gid = local->mds_stbuf.ia_gid;
+ local->stbuf.ia_uid = local->mds_stbuf.ia_uid;
+ local->stbuf.ia_prot = local->mds_stbuf.ia_prot;
+ }
+ } else {
+ local->stbuf.ia_gid = local->prebuf.ia_gid;
+ local->stbuf.ia_uid = local->prebuf.ia_uid;
+ local->stbuf.ia_prot = local->prebuf.ia_prot;
}
+
+ layout = local->layout;
+ dht_selfheal_directory(frame, dht_lookup_selfheal_cbk,
+ &local->loc, layout);
+ return 0;
+ }
}
-out:
- this_call_cnt = dht_frame_return (frame);
-
- if (is_last_call (this_call_cnt)) {
- if (!IA_ISDIR (local->stbuf.ia_type)
- && (local->hashed_subvol != local->cached_subvol)
- && (local->stbuf.ia_nlink == 1)
- && (conf && conf->unhashed_sticky_bit)) {
- local->stbuf.ia_prot.sticky = 1;
- }
- /* No need to call heal code if volume count is 1
- */
- if (conf->subvolume_cnt == 1)
- local->need_xattr_heal = 0;
-
- if (IA_ISDIR (local->stbuf.ia_type)) {
- /* Code to update all extended attributed from hashed
- subvol to local->xattr and call heal code to heal
- custom xattr from hashed subvol to non-hashed subvol
- */
- if (local->need_xattr_heal && (local->mds_xattr)) {
- dht_dir_set_heal_xattr (this, local,
- local->xattr,
- local->mds_xattr, NULL,
- NULL);
- dict_unref (local->mds_xattr);
- local->mds_xattr = NULL;
- local->need_xattr_heal = 0;
- ret = dht_dir_xattr_heal (this, local);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR,
- ret, DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "xattr heal failed for directory %s "
- " gfid %s ", local->loc.path,
- gfid);
- } else {
- /* Call function to save hashed subvol on inode
- ctx if internal mds xattr is not present and
- all subvols are up
- */
- if (inode && !__is_root_gfid (inode->gfid) &&
- (!local->op_ret))
- (void) dht_common_mark_mdsxattr (frame, NULL, 1);
- }
- }
- if (local->need_selfheal) {
- local->need_selfheal = 0;
- if (!__is_root_gfid (inode->gfid)) {
- gf_uuid_copy (local->gfid, local->mds_stbuf.ia_gfid);
- local->stbuf.ia_gid = local->mds_stbuf.ia_gid;
- local->stbuf.ia_uid = local->mds_stbuf.ia_uid;
- local->stbuf.ia_prot = local->mds_stbuf.ia_prot;
- } else {
- gf_uuid_copy (local->gfid, local->stbuf.ia_gfid);
- local->stbuf.ia_gid = local->prebuf.ia_gid;
- local->stbuf.ia_uid = local->prebuf.ia_uid;
- local->stbuf.ia_prot = local->prebuf.ia_prot;
- }
+ if (local->layout_mismatch) {
+ /* Found layout mismatch in the directory, need to
+ fix this in the inode context */
+ dht_layout_unref(this, local->layout);
+ local->layout = NULL;
+ dht_lookup_directory(frame, this, &local->loc);
+ return 0;
+ }
- copy = create_frame (this, this->ctx->pool);
- if (copy) {
- copy_local = dht_local_init (copy, &local->loc,
- NULL, 0);
- if (!copy_local) {
- DHT_STACK_DESTROY (copy);
- goto cont;
- }
- copy_local->stbuf = local->stbuf;
- copy_local->mds_stbuf = local->mds_stbuf;
- copy_local->mds_subvol = local->mds_subvol;
- copy->local = copy_local;
- FRAME_SU_DO (copy, dht_local_t);
- ret = synctask_new (this->ctx->env,
- dht_dir_attr_heal,
- dht_dir_attr_heal_done,
- copy, copy);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_DIR_ATTR_HEAL_FAILED,
- "Synctask creation failed to heal attr "
- "for path %s gfid %s ",
- local->loc.path, local->gfid);
- DHT_STACK_DESTROY (copy);
- }
- }
- }
-cont:
- if (local->layout_mismatch) {
- /* Found layout mismatch in the directory, need to
- fix this in the inode context */
- dht_layout_unref (this, local->layout);
- local->layout = NULL;
- dht_lookup_directory (frame, this, &local->loc);
- return 0;
- }
+ if (local->need_lookup_everywhere) {
+ /* As the current layout gave ENOENT error, we would
+ need a new layout */
+ dht_layout_unref(this, local->layout);
+ local->layout = NULL;
- if (local->need_lookup_everywhere) {
- /* As the current layout gave ENOENT error, we would
- need a new layout */
- dht_layout_unref (this, local->layout);
- local->layout = NULL;
-
- /* We know that current cached subvol is no more
- valid, get the new one */
- local->cached_subvol = NULL;
- dht_lookup_everywhere (frame, this, &local->loc);
- return 0;
- }
- if (local->return_estale) {
- local->op_ret = -1;
- local->op_errno = ESTALE;
+ /* We know that current cached subvol is no longer
+ valid, get the new one */
+ local->cached_subvol = NULL;
+ if (local->xattr_req) {
+ if (!gf_uuid_is_null(local->gfid)) {
+ ret = dict_set_static_bin(local->xattr_req, "gfid-req",
+ local->gfid, 16);
}
+ }
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->postparent, 1);
- }
+ dht_lookup_everywhere(frame, this, &local->loc);
+ return 0;
+ }
+ if (local->return_estale) {
+ local->op_ret = -1;
+ local->op_errno = ESTALE;
+ }
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- dht_set_fixed_dir_stat (&local->postparent);
-
- /* local->stbuf is updated only from subvols which have a layout
- * The reason is to avoid choosing attr heal source from newly
- * added bricks. In case e.g we have only one subvol and for
- * some reason layout is not present on it, then local->stbuf
- * will be EINVAL. This is an indication that the subvols
- * active in the cluster do not have layouts on disk.
- * Unwind with ESTALE to trigger a fresh lookup */
- if (is_dir && local->stbuf.ia_type == IA_INVAL) {
- local->op_ret = -1;
- local->op_errno = ESTALE;
- }
- /* Delete mds xattr at the time of STACK UNWIND */
- if (local->xattr)
- GF_REMOVE_INTERNAL_XATTR (conf->mds_xattr_key, local->xattr);
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
+ }
+
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ dht_set_fixed_dir_stat(&local->postparent);
- DHT_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- local->inode, &local->stbuf, local->xattr,
- &local->postparent);
+ /* local->stbuf is updated only from subvols which have a layout
+ * The reason is to avoid choosing attr heal source from newly
+ * added bricks. In case e.g we have only one subvol and for
+ * some reason layout is not present on it, then local->stbuf
+ * will be EINVAL. This is an indication that the subvols
+ * active in the cluster do not have layouts on disk.
+ * Unwind with ESTALE to trigger a fresh lookup */
+ if (is_dir && local->stbuf.ia_type == IA_INVAL) {
+ local->op_ret = -1;
+ local->op_errno = ESTALE;
}
+ /* Delete mds xattr at the time of STACK UNWIND */
+ if (local->xattr)
+ GF_REMOVE_INTERNAL_XATTR(conf->mds_xattr_key, local->xattr);
+
+ DHT_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->stbuf, local->xattr,
+ &local->postparent);
+ }
err:
- return ret;
+ return ret;
}
+static int
+dht_lookup_linkfile_create_cbk(call_frame_t *frame, void *cooie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ xlator_t *cached_subvol = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
-int
-dht_lookup_linkfile_create_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
-{
- dht_local_t *local = NULL;
- xlator_t *cached_subvol = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", this->private, out);
-
- local = frame->local;
- cached_subvol = local->cached_subvol;
- conf = this->private;
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", this->private, out);
- gf_uuid_unparse(local->loc.gfid, gfid);
+ local = frame->local;
+ cached_subvol = local->cached_subvol;
+ conf = this->private;
- if (local->locked)
- dht_unlock_namespace (frame, &local->lock[0]);
+ gf_uuid_unparse(local->loc.gfid, gfid);
- ret = dht_layout_preset (this, local->cached_subvol, local->loc.inode);
- if (ret < 0) {
- gf_msg_debug (this->name, EINVAL,
- "Failed to set layout for subvolume %s, "
- "(gfid = %s)",
- cached_subvol ? cached_subvol->name : "<nil>",
- gfid);
- local->op_ret = -1;
- local->op_errno = EINVAL;
- goto unwind;
- }
+ if (local->locked)
+ dht_unlock_namespace(frame, &local->lock[0]);
- local->op_ret = 0;
- if ((local->stbuf.ia_nlink == 1)
- && (conf && conf->unhashed_sticky_bit)) {
- local->stbuf.ia_prot.sticky = 1;
- }
+ ret = dht_layout_preset(this, local->cached_subvol, local->loc.inode);
+ if (ret < 0) {
+ gf_msg_debug(this->name, EINVAL,
+ "Failed to set layout for subvolume %s, "
+ "(gfid = %s)",
+ cached_subvol ? cached_subvol->name : "<nil>", gfid);
+ local->op_ret = -1;
+ local->op_errno = EINVAL;
+ goto unwind;
+ }
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- postparent, 1);
- }
+ local->op_ret = 0;
+ if ((local->stbuf.ia_nlink == 1) && (conf && conf->unhashed_sticky_bit)) {
+ local->stbuf.ia_prot.sticky = 1;
+ }
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this, postparent, 1);
+ }
unwind:
- gf_msg_debug (this->name, 0,
- "creation of linkto on hashed subvol:%s, "
- "returned with op_ret %d and op_errno %d: %s",
- local->hashed_subvol->name,
- op_ret, op_errno, uuid_utoa (local->loc.gfid));
+ gf_msg_debug(this->name, 0,
+ "creation of linkto on hashed subvol:%s, "
+ "returned with op_ret %d and op_errno %d: %s",
+ local->hashed_subvol->name, op_ret, op_errno,
+ uuid_utoa(local->loc.gfid));
- if (local->linked == _gf_true)
- dht_linkfile_attr_heal (frame, this);
+ if (local->linked == _gf_true)
+ dht_linkfile_attr_heal(frame, this);
+ dht_set_fixed_dir_stat(&local->postparent);
- dht_set_fixed_dir_stat (&local->postparent);
-
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- DHT_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- local->inode, &local->stbuf, local->xattr,
- &local->postparent);
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ DHT_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->stbuf, local->xattr,
+ &local->postparent);
out:
- return ret;
+ return ret;
}
-int
-dht_lookup_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+static int
+dht_lookup_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- int this_call_cnt = 0;
- dht_local_t *local = NULL;
- const char *path = NULL;
+ int this_call_cnt = 0;
+ dht_local_t *local = NULL;
+ const char *path = NULL;
- local = (dht_local_t*)frame->local;
- path = local->loc.path;
- FRAME_SU_UNDO (frame, dht_local_t);
+ local = (dht_local_t *)frame->local;
+ path = local->loc.path;
+ FRAME_SU_UNDO(frame, dht_local_t);
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_UNLINK_LOOKUP_INFO, "lookup_unlink returned with "
- "op_ret -> %d and op-errno -> %d for %s", op_ret, op_errno,
- ((path == NULL)? "null" : path ));
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_UNLINK_LOOKUP_INFO,
+ "lookup_unlink returned with "
+ "op_ret -> %d and op-errno -> %d for %s",
+ op_ret, op_errno, ((path == NULL) ? "null" : path));
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- dht_lookup_everywhere_done (frame, this);
- }
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ dht_lookup_everywhere_done(frame, this);
+ }
- return 0;
+ return 0;
}
-int
-dht_lookup_unlink_of_false_linkto_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+static int
+dht_lookup_unlink_of_false_linkto_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret, int op_errno,
+ struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- int this_call_cnt = 0;
- dht_local_t *local = NULL;
- const char *path = NULL;
+ int this_call_cnt = 0;
+ dht_local_t *local = NULL;
+ const char *path = NULL;
- local = (dht_local_t*)frame->local;
- path = local->loc.path;
+ local = (dht_local_t *)frame->local;
+ path = local->loc.path;
- FRAME_SU_UNDO (frame, dht_local_t);
+ FRAME_SU_UNDO(frame, dht_local_t);
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_UNLINK_LOOKUP_INFO, "lookup_unlink returned with "
- "op_ret -> %d and op-errno -> %d for %s", op_ret, op_errno,
- ((path == NULL)? "null" : path ));
-
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
-
- if (op_ret == 0) {
- dht_lookup_everywhere_done (frame, this);
- } else {
- /*When dht_lookup_everywhere is performed, one cached
- *and one hashed file was found and hashed file does
- *not point to the above mentioned cached node. So it
- *was considered as stale and an unlink was performed.
- *But unlink fails. So may be rebalance is in progress.
- *now ideally we have two data-files. One obtained during
- *lookup_everywhere and one where unlink-failed. So
- *at this point in time we cannot decide which one to
- *choose because there are chances of first cached
- *file is truncated after rebalance and if it is chosen
- *as cached node, application will fail. So return EIO.*/
-
- if (op_errno == EBUSY) {
-
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_UNLINK_FAILED,
- "Could not unlink the linkto file as "
- "either fd is open and/or linkto xattr "
- "is set for %s",
- ((path == NULL)? "null":path));
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_UNLINK_LOOKUP_INFO,
+ "lookup_unlink returned with "
+ "op_ret -> %d and op-errno -> %d for %s",
+ op_ret, op_errno, ((path == NULL) ? "null" : path));
- }
- DHT_STACK_UNWIND (lookup, frame, -1, EIO, NULL, NULL,
- NULL, NULL);
-
- }
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ if ((op_ret == 0) || ((op_errno != EBUSY) && (op_errno != ENOTCONN))) {
+ dht_lookup_everywhere_done(frame, this);
+ } else {
+ /*When dht_lookup_everywhere is performed, one cached
+ *and one hashed file was found and hashed file does
+ *not point to the above mentioned cached node. So it
+ *was considered as stale and an unlink was performed.
+ *But unlink fails. So may be rebalance is in progress.
+ *now ideally we have two data-files. One obtained during
+ *lookup_everywhere and one where unlink-failed. So
+ *at this point in time we cannot decide which one to
+ *choose because there are chances of first cached
+ *file is truncated after rebalance and if it is chosen
+ *as cached node, application will fail. So return EIO.*/
+
+ if (op_errno == EBUSY) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_UNLINK_FAILED,
+ "Could not unlink the linkto file as "
+ "either fd is open and/or linkto xattr "
+ "is set for %s",
+ ((path == NULL) ? "null" : path));
+ }
+ DHT_STACK_UNWIND(lookup, frame, -1, EIO, NULL, NULL, NULL, NULL);
}
+ }
- return 0;
+ return 0;
}
-int
-dht_lookup_unlink_stale_linkto_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+static int
+dht_lookup_unlink_stale_linkto_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret, int op_errno,
+ struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
+ dht_local_t *local = NULL;
+ const char *path = NULL;
- dht_local_t *local = NULL;
- const char *path = NULL;
-
- /* NOTE:
- * If stale file unlink fails either there is an open-fd or is not an
- * dht-linkto-file then posix_unlink returns EBUSY, which is overwritten
- * to ENOENT
- */
+ /* NOTE:
+ * If stale file unlink fails either there is an open-fd or is not an
+ * dht-linkto-file then posix_unlink returns EBUSY, which is overwritten
+ * to ENOENT
+ */
- local = frame->local;
+ local = frame->local;
- if (local && local->loc.path)
- path = local->loc.path;
+ if (local) {
+ FRAME_SU_UNDO(frame, dht_local_t);
+ if (local->loc.path)
+ path = local->loc.path;
+ }
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_UNLINK_LOOKUP_INFO,
- "Returned with op_ret %d and "
- "op_errno %d for %s", op_ret, op_errno,
- ((path==NULL)?"null":path));
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_UNLINK_LOOKUP_INFO,
+ "Returned with op_ret %d and "
+ "op_errno %d for %s",
+ op_ret, op_errno, ((path == NULL) ? "null" : path));
- FRAME_SU_UNDO (frame, dht_local_t);
- DHT_STACK_UNWIND (lookup, frame, -1, ENOENT, NULL, NULL, NULL,
- NULL);
+ DHT_STACK_UNWIND(lookup, frame, -1, ENOENT, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-int
-dht_fill_dict_to_avoid_unlink_of_migrating_file (dict_t *dict) {
-
- int ret = 0;
- xlator_t *this = NULL;
- char *linktoskip_key = NULL;
-
- this = THIS;
- GF_VALIDATE_OR_GOTO ("dht", this, err);
-
- if (dht_is_tier_xlator (this))
- linktoskip_key = TIER_SKIP_NON_LINKTO_UNLINK;
- else
- linktoskip_key = DHT_SKIP_NON_LINKTO_UNLINK;
-
- ret = dict_set_int32 (dict, linktoskip_key, 1);
-
- if (ret)
- goto err;
-
- ret = dict_set_int32 (dict, DHT_SKIP_OPEN_FD_UNLINK, 1);
+static int
+dht_fill_dict_to_avoid_unlink_of_migrating_file(dict_t *dict)
+{
+ int ret = 0;
- if (ret)
- goto err;
+ ret = dict_set_int32_sizen(dict, DHT_SKIP_NON_LINKTO_UNLINK, 1);
+ if (ret)
+ return -1;
- return 0;
+ ret = dict_set_int32_sizen(dict, DHT_SKIP_OPEN_FD_UNLINK, 1);
-err:
+ if (ret)
return -1;
+ return 0;
}
-int32_t
-dht_linkfile_create_lookup_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, inode_t *inode,
- struct iatt *buf, dict_t *xdata,
- struct iatt *postparent)
+static int32_t
+dht_linkfile_create_lookup_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct iatt *buf, dict_t *xdata,
+ struct iatt *postparent)
{
- dht_local_t *local = NULL;
- int call_cnt = 0, ret = 0;
- xlator_t *subvol = NULL;
- uuid_t gfid = {0, };
- char gfid_str[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *local = NULL;
+ int call_cnt = 0, ret = 0;
+ xlator_t *subvol = NULL;
+ uuid_t gfid = {
+ 0,
+ };
+ char gfid_str[GF_UUID_BUF_SIZE] = {0};
- subvol = cookie;
- local = frame->local;
+ subvol = cookie;
+ local = frame->local;
- if (subvol == local->hashed_subvol) {
- if ((op_ret == 0) || (op_errno != ENOENT))
- local->dont_create_linkto = _gf_true;
- } else {
- if (gf_uuid_is_null (local->gfid))
- gf_uuid_copy (gfid, local->loc.gfid);
- else
- gf_uuid_copy (gfid, local->gfid);
-
- if ((op_ret == 0) && gf_uuid_compare (gfid, buf->ia_gfid)) {
- gf_uuid_unparse (gfid, gfid_str);
- gf_msg_debug (this->name, 0,
- "gfid (%s) different on cached subvol "
- "(%s) and looked up inode (%s), not "
- "creating linkto",
- uuid_utoa (buf->ia_gfid), subvol->name,
- gfid_str);
- local->dont_create_linkto = _gf_true;
- } else if (op_ret == -1) {
- local->dont_create_linkto = _gf_true;
- }
- }
+ if (subvol == local->hashed_subvol) {
+ if ((op_ret == 0) || (op_errno != ENOENT))
+ local->dont_create_linkto = _gf_true;
+ } else {
+ if (gf_uuid_is_null(local->gfid))
+ gf_uuid_copy(gfid, local->loc.gfid);
+ else
+ gf_uuid_copy(gfid, local->gfid);
+
+ if ((op_ret == 0) && gf_uuid_compare(gfid, buf->ia_gfid)) {
+ gf_uuid_unparse(gfid, gfid_str);
+ gf_msg_debug(this->name, 0,
+ "gfid (%s) different on cached subvol "
+ "(%s) and looked up inode (%s), not "
+ "creating linkto",
+ uuid_utoa(buf->ia_gfid), subvol->name, gfid_str);
+ local->dont_create_linkto = _gf_true;
+ } else if (op_ret == -1) {
+ local->dont_create_linkto = _gf_true;
+ }
+ }
+
+ call_cnt = dht_frame_return(frame);
+ if (is_last_call(call_cnt)) {
+ if (local->dont_create_linkto)
+ goto no_linkto;
+ else {
+ gf_msg_debug(this->name, 0,
+ "Creating linkto file on %s(hash) to "
+ "%s on %s (gfid = %s)",
+ local->hashed_subvol->name, local->loc.path,
+ local->cached_subvol->name, gfid_str);
- call_cnt = dht_frame_return (frame);
- if (is_last_call (call_cnt)) {
- if (local->dont_create_linkto)
- goto no_linkto;
- else {
- gf_msg_debug (this->name, 0,
- "Creating linkto file on %s(hash) to "
- "%s on %s (gfid = %s)",
- local->hashed_subvol->name,
- local->loc.path,
- local->cached_subvol->name, gfid);
-
- ret = dht_linkfile_create
- (frame, dht_lookup_linkfile_create_cbk,
- this, local->cached_subvol,
- local->hashed_subvol, &local->loc);
-
- if (ret < 0)
- goto no_linkto;
- }
+ ret = dht_linkfile_create(frame, dht_lookup_linkfile_create_cbk,
+ this, local->cached_subvol,
+ local->hashed_subvol, &local->loc);
+
+ if (ret < 0)
+ goto no_linkto;
}
+ }
- return 0;
+ return 0;
no_linkto:
- gf_msg_debug (this->name, 0,
- "skipped linkto creation (path:%s) (gfid:%s) "
- "(hashed-subvol:%s) (cached-subvol:%s)",
- local->loc.path, gfid_str, local->hashed_subvol->name,
- local->cached_subvol->name);
-
- dht_lookup_linkfile_create_cbk (frame, NULL, this, 0, 0,
- local->loc.inode, &local->stbuf,
- &local->preparent, &local->postparent,
- local->xattr);
- return 0;
-}
+ gf_msg_debug(this->name, 0,
+ "skipped linkto creation (path:%s) (gfid:%s) "
+ "(hashed-subvol:%s) (cached-subvol:%s)",
+ local->loc.path, gfid_str, local->hashed_subvol->name,
+ local->cached_subvol->name);
+ dht_lookup_linkfile_create_cbk(frame, NULL, this, 0, 0, local->loc.inode,
+ &local->stbuf, &local->preparent,
+ &local->postparent, local->xattr);
+ return 0;
+}
-int32_t
-dht_call_lookup_linkfile_create (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata)
+static int32_t
+dht_call_lookup_linkfile_create(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- int i = 0;
- xlator_t *subvol = NULL;
+ dht_local_t *local = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ int i = 0;
+ xlator_t *subvol = NULL;
- local = frame->local;
- if (gf_uuid_is_null (local->gfid))
- gf_uuid_unparse (local->loc.gfid, gfid);
- else
- gf_uuid_unparse (local->gfid, gfid);
+ local = frame->local;
+ if (gf_uuid_is_null(local->gfid))
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ else
+ gf_uuid_unparse(local->gfid, gfid);
- if (op_ret < 0) {
- gf_log (this->name, GF_LOG_WARNING,
- "protecting namespace failed, skipping linkto "
- "creation (path:%s)(gfid:%s)(hashed-subvol:%s)"
- "(cached-subvol:%s)", local->loc.path, gfid,
- local->hashed_subvol->name, local->cached_subvol->name);
- goto err;
- }
+ if (op_ret < 0) {
+ gf_log(this->name, GF_LOG_WARNING,
+ "protecting namespace failed, skipping linkto "
+ "creation (path:%s)(gfid:%s)(hashed-subvol:%s)"
+ "(cached-subvol:%s)",
+ local->loc.path, gfid, local->hashed_subvol->name,
+ local->cached_subvol->name);
+ goto err;
+ }
- local->locked = _gf_true;
+ local->locked = _gf_true;
+ local->call_cnt = 2;
- local->call_cnt = 2;
+ for (i = 0; i < 2; i++) {
+ subvol = (subvol == NULL) ? local->hashed_subvol : local->cached_subvol;
- for (i = 0; i < 2; i++) {
- subvol = (subvol == NULL) ? local->hashed_subvol
- : local->cached_subvol;
+ STACK_WIND_COOKIE(frame, dht_linkfile_create_lookup_cbk, subvol, subvol,
+ subvol->fops->lookup, &local->loc, NULL);
+ }
- STACK_WIND_COOKIE (frame, dht_linkfile_create_lookup_cbk,
- subvol, subvol, subvol->fops->lookup,
- &local->loc, NULL);
- }
-
- return 0;
+ return 0;
err:
- dht_lookup_linkfile_create_cbk (frame, NULL, this, 0, 0,
- local->loc.inode,
- &local->stbuf, &local->preparent,
- &local->postparent, local->xattr);
- return 0;
+ dht_lookup_linkfile_create_cbk(frame, NULL, this, 0, 0, local->loc.inode,
+ &local->stbuf, &local->preparent,
+ &local->postparent, local->xattr);
+ return 0;
}
/* Rebalance is performed from cached_node to hashed_node. Initial cached_node
@@ -2383,761 +2335,654 @@ err:
* dht_lookup_everywhere_done takes decision based on any of the above case
*/
-int
-dht_lookup_everywhere_done (call_frame_t *frame, xlator_t *this)
-{
- int ret = 0;
- dht_local_t *local = NULL;
- xlator_t *hashed_subvol = NULL;
- xlator_t *cached_subvol = NULL;
- dht_layout_t *layout = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- gf_boolean_t found_non_linkto_on_hashed = _gf_false;
-
- local = frame->local;
- hashed_subvol = local->hashed_subvol;
- cached_subvol = local->cached_subvol;
-
- gf_uuid_unparse (local->loc.gfid, gfid);
-
- if (local->file_count && local->dir_count) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_FILE_TYPE_MISMATCH,
- "path %s (gfid = %s)exists as a file on one "
- "subvolume and directory on another. "
- "Please fix it manually",
- local->loc.path, gfid);
- DHT_STACK_UNWIND (lookup, frame, -1, EIO, NULL, NULL, NULL,
- NULL);
- return 0;
- }
-
- if (local->dir_count) {
- dht_lookup_directory (frame, this, &local->loc);
- return 0;
- }
-
- gf_msg_debug (this->name, 0, "STATUS: hashed_subvol %s "
- "cached_subvol %s",
- (hashed_subvol == NULL)?"null":hashed_subvol->name,
- (cached_subvol == NULL)?"null":cached_subvol->name);
-
- if (!cached_subvol) {
+static int
+dht_lookup_everywhere_done(call_frame_t *frame, xlator_t *this)
+{
+ int ret = 0;
+ dht_local_t *local = NULL;
+ xlator_t *hashed_subvol = NULL;
+ xlator_t *cached_subvol = NULL;
+ dht_layout_t *layout = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ gf_boolean_t found_non_linkto_on_hashed = _gf_false;
+
+ local = frame->local;
+ hashed_subvol = local->hashed_subvol;
+ cached_subvol = local->cached_subvol;
+
+ gf_uuid_unparse(local->loc.gfid, gfid);
+
+ if (local->file_count && local->dir_count) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_FILE_TYPE_MISMATCH,
+ "path %s (gfid = %s)exists as a file on one "
+ "subvolume and directory on another. "
+ "Please fix it manually",
+ local->loc.path, gfid);
+ DHT_STACK_UNWIND(lookup, frame, -1, EIO, NULL, NULL, NULL, NULL);
+ return 0;
+ }
+ if (local->op_ret && local->gfid_missing) {
+ if (gf_uuid_is_null(local->gfid_req)) {
+ DHT_STACK_UNWIND(lookup, frame, -1, ENODATA, NULL, NULL, NULL,
+ NULL);
+ return 0;
+ }
+ /* A hack */
+ dht_lookup_directory(frame, this, &local->loc);
+ return 0;
+ }
+
+ if (local->dir_count) {
+ dht_lookup_directory(frame, this, &local->loc);
+ return 0;
+ }
+
+ gf_msg_debug(this->name, 0,
+ "STATUS: hashed_subvol %s "
+ "cached_subvol %s",
+ (hashed_subvol == NULL) ? "null" : hashed_subvol->name,
+ (cached_subvol == NULL) ? "null" : cached_subvol->name);
+
+ if (!cached_subvol) {
+ if (local->skip_unlink.handle_valid_link && hashed_subvol) {
+ /*Purpose of "DHT_SKIP_NON_LINKTO_UNLINK":
+ * If this lookup is performed by rebalance and this
+ * rebalance process detected hashed file and by
+ * the time it sends the lookup request to cached node,
+ * file got migrated and now at initial hashed_node,
+ * final migrated file is present. With current logic,
+ * because this process fails to find the cached_node,
+ * it will unlink the file at initial hashed_node.
+ *
+ * So we avoid this by setting key, and checking at the
+ * posix_unlink that unlink the file only if file is a
+ * linkto file and not a migrated_file.
+ */
+
+ ret = dht_fill_dict_to_avoid_unlink_of_migrating_file(
+ local->xattr_req);
+
+ if (ret) {
+ /* If for some reason, setting key in the dict
+ * fails, return with ENOENT, as with respect to
+ * this process, it detected only a stale link
+ * file.
+ *
+ * Next lookup will delete it.
+ *
+ * Performing deletion of stale link file when
+ * setting key in dict fails, may cause the data
+ * loss because of the above mentioned race.
+ */
- if (local->skip_unlink.handle_valid_link && hashed_subvol) {
-
- /*Purpose of "DHT_SKIP_NON_LINKTO_UNLINK":
- * If this lookup is performed by rebalance and this
- * rebalance process detected hashed file and by
- * the time it sends the lookup request to cached node,
- * file got migrated and now at initial hashed_node,
- * final migrated file is present. With current logic,
- * because this process fails to find the cached_node,
- * it will unlink the file at initial hashed_node.
- *
- * So we avoid this by setting key, and checking at the
- * posix_unlink that unlink the file only if file is a
- * linkto file and not a migrated_file.
- */
-
-
- ret = dht_fill_dict_to_avoid_unlink_of_migrating_file
- (local->xattr_req);
-
- if (ret) {
- /* If for some reason, setting key in the dict
- * fails, return with ENOENT, as with respect to
- * this process, it detected only a stale link
- * file.
- *
- * Next lookup will delete it.
- *
- * Performing deletion of stale link file when
- * setting key in dict fails, may cause the data
- * loss because of the above mentioned race.
- */
-
-
- DHT_STACK_UNWIND (lookup, frame, -1, ENOENT,
- NULL, NULL, NULL, NULL);
- } else {
- local->skip_unlink.handle_valid_link = _gf_false;
-
- gf_msg_debug (this->name, 0,
- "No Cached was found and "
- "unlink on hashed was skipped"
- " so performing now: %s",
- local->loc.path);
- FRAME_SU_DO (frame, dht_local_t);
- STACK_WIND (frame,
- dht_lookup_unlink_stale_linkto_cbk,
- hashed_subvol,
- hashed_subvol->fops->unlink,
- &local->loc, 0, local->xattr_req);
- }
+ DHT_STACK_UNWIND(lookup, frame, -1, ENOENT, NULL, NULL, NULL,
+ NULL);
+ } else {
+ local->skip_unlink.handle_valid_link = _gf_false;
- } else {
+ gf_msg_debug(this->name, 0,
+ "No Cached was found and "
+ "unlink on hashed was skipped"
+ " so performing now: %s",
+ local->loc.path);
+ FRAME_SU_DO(frame, dht_local_t);
+ STACK_WIND(frame, dht_lookup_unlink_stale_linkto_cbk,
+ hashed_subvol, hashed_subvol->fops->unlink,
+ &local->loc, 0, local->xattr_req);
+ }
- gf_msg_debug (this->name, 0,
- "There was no cached file and "
- "unlink on hashed is not skipped %s",
- local->loc.path);
+ } else {
+ gf_msg_debug(this->name, 0,
+ "There was no cached file and "
+ "unlink on hashed is not skipped %s",
+ local->loc.path);
- DHT_STACK_UNWIND (lookup, frame, -1, ENOENT,
- NULL, NULL, NULL, NULL);
- }
- return 0;
+ DHT_STACK_UNWIND(lookup, frame, -1, ENOENT, NULL, NULL, NULL, NULL);
}
+ return 0;
+ }
- /* At the time of dht_lookup, no file was found on hashed and that is
- * why dht_lookup_everywhere is called, but by the time
- * dht_lookup_everywhere
- * reached to server, file might have already migrated. In that case we
- * will find a migrated file at the hashed_node. In this case store the
- * layout in context and return successfully.
- */
-
- if (hashed_subvol || local->need_lookup_everywhere) {
-
- if (local->need_lookup_everywhere) {
-
- found_non_linkto_on_hashed = _gf_true;
-
- } else if ((local->file_count == 1) &&
- (hashed_subvol == cached_subvol)) {
-
- gf_msg_debug (this->name, 0,
- "found cached file on hashed subvolume "
- "so store in context and return for %s",
- local->loc.path);
+ /* At the time of dht_lookup, no file was found on hashed and that is
+ * why dht_lookup_everywhere is called, but by the time
+ * dht_lookup_everywhere
+ * reached to server, file might have already migrated. In that case we
+ * will find a migrated file at the hashed_node. In this case store the
+ * layout in context and return successfully.
+ */
- found_non_linkto_on_hashed = _gf_true;
- }
+ if (hashed_subvol || local->need_lookup_everywhere) {
+ if (local->need_lookup_everywhere) {
+ found_non_linkto_on_hashed = _gf_true;
- if (found_non_linkto_on_hashed)
- goto preset_layout;
+ } else if ((local->file_count == 1) &&
+ (hashed_subvol == cached_subvol)) {
+ gf_msg_debug(this->name, 0,
+ "found cached file on hashed subvolume "
+ "so store in context and return for %s",
+ local->loc.path);
+ found_non_linkto_on_hashed = _gf_true;
}
+ if (found_non_linkto_on_hashed)
+ goto preset_layout;
+ }
- if (hashed_subvol) {
- if (local->skip_unlink.handle_valid_link == _gf_true) {
- if (cached_subvol == local->skip_unlink.hash_links_to) {
-
- if (gf_uuid_compare (local->skip_unlink.cached_gfid,
- local->skip_unlink.hashed_gfid)){
-
- /*GFID different, return error*/
- DHT_STACK_UNWIND (lookup, frame, -1,
- ESTALE, NULL, NULL,
- NULL, NULL);
-
- return 0;
- }
-
- ret = dht_layout_preset (this, cached_subvol,
- local->loc.inode);
- if (ret) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LAYOUT_PRESET_FAILED,
- "Could not set pre-set layout "
- "for subvolume %s",
- cached_subvol->name);
- }
-
- local->op_ret = (ret == 0) ? ret : -1;
- local->op_errno = (ret == 0) ? ret : EINVAL;
-
- /* Presence of local->cached_subvol validates
- * that lookup from cached node is successful
- */
-
- if (!local->op_ret && local->loc.parent) {
- dht_inode_ctx_time_update
- (local->loc.parent, this,
- &local->postparent, 1);
- }
-
- gf_msg_debug (this->name, 0,
- "Skipped unlinking linkto file "
- "on the hashed subvolume. "
- "Returning success as it is a "
- "valid linkto file. Path:%s"
- ,local->loc.path);
-
- goto unwind_hashed_and_cached;
- } else {
-
- local->skip_unlink.handle_valid_link = _gf_false;
-
- gf_msg_debug (this->name, 0,
- "Linkto file found on hashed "
- "subvol "
- "and data file found on cached "
- "subvolume. But linkto points to "
- "different cached subvolume (%s) "
- "path %s",
- (local->skip_unlink.hash_links_to ?
- local->skip_unlink.hash_links_to->name :
- " <nil>"), local->loc.path);
-
- if (local->skip_unlink.opend_fd_count == 0) {
-
-
- ret = dht_fill_dict_to_avoid_unlink_of_migrating_file
- (local->xattr_req);
-
-
- if (ret) {
- DHT_STACK_UNWIND (lookup, frame, -1,
- EIO, NULL, NULL,
- NULL, NULL);
- } else {
- local->call_cnt = 1;
- FRAME_SU_DO (frame, dht_local_t);
- STACK_WIND (frame,
- dht_lookup_unlink_of_false_linkto_cbk,
- hashed_subvol,
- hashed_subvol->fops->unlink,
- &local->loc, 0,
- local->xattr_req);
- }
-
- return 0;
-
- }
- }
+ if (hashed_subvol) {
+ if (local->skip_unlink.handle_valid_link == _gf_true) {
+ if (cached_subvol == local->skip_unlink.hash_links_to) {
+ if (gf_uuid_compare(local->skip_unlink.cached_gfid,
+ local->skip_unlink.hashed_gfid)) {
+ /*GFID different, return error*/
+ DHT_STACK_UNWIND(lookup, frame, -1, ESTALE, NULL, NULL,
+ NULL, NULL);
+ return 0;
}
- }
-
-preset_layout:
-
- if (found_non_linkto_on_hashed) {
-
- if (local->need_lookup_everywhere) {
- if (gf_uuid_compare (local->gfid, local->inode->gfid)) {
- /* GFID different, return error */
- DHT_STACK_UNWIND (lookup, frame, -1, ENOENT,
- NULL, NULL, NULL, NULL);
- return 0;
- }
+ ret = dht_layout_preset(this, cached_subvol, local->loc.inode);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_INFO, 0,
+ DHT_MSG_LAYOUT_PRESET_FAILED,
+ "Could not set pre-set layout "
+ "for subvolume %s",
+ cached_subvol->name);
}
- local->op_ret = 0;
- local->op_errno = 0;
- layout = dht_layout_for_subvol (this, cached_subvol);
- if (!layout) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_SUBVOL_INFO,
- "%s: no pre-set layout for subvolume %s,"
- " gfid = %s",
- local->loc.path, (cached_subvol ?
- cached_subvol->name :
- "<nil>"), gfid);
- }
+ local->op_ret = (ret == 0) ? ret : -1;
+ local->op_errno = (ret == 0) ? ret : EINVAL;
- ret = dht_layout_set (this, local->inode, layout);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_SUBVOL_INFO,
- "%s: failed to set layout for subvol %s, "
- "gfid = %s",
- local->loc.path, (cached_subvol ?
- cached_subvol->name :
- "<nil>"), gfid);
- }
+ /* Presence of local->cached_subvol validates
+ * that lookup from cached node is successful
+ */
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->postparent, 1);
+ if (!local->op_ret && local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
}
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- dht_set_fixed_dir_stat (&local->postparent);
- DHT_STACK_UNWIND (lookup, frame, local->op_ret,
- local->op_errno, local->inode,
- &local->stbuf, local->xattr,
- &local->postparent);
- return 0;
- }
-
- if (!hashed_subvol) {
-
- gf_msg_debug (this->name, 0,
- "Cannot create linkfile for %s on %s: "
- "hashed subvolume cannot be found, gfid = %s.",
- local->loc.path, cached_subvol->name, gfid);
+ gf_msg_debug(this->name, 0,
+ "Skipped unlinking linkto file "
+ "on the hashed subvolume. "
+ "Returning success as it is a "
+ "valid linkto file. Path:%s",
+ local->loc.path);
- local->op_ret = 0;
- local->op_errno = 0;
+ goto unwind_hashed_and_cached;
+ } else {
+ local->skip_unlink.handle_valid_link = _gf_false;
- ret = dht_layout_preset (frame->this, cached_subvol,
- local->inode);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LAYOUT_PRESET_FAILED,
- "Failed to set layout for subvol %s"
- ", gfid = %s",
- cached_subvol ? cached_subvol->name :
- "<nil>", gfid);
- local->op_ret = -1;
- local->op_errno = EINVAL;
+ gf_msg_debug(this->name, 0,
+ "Linkto file found on hashed "
+ "subvol "
+ "and data file found on cached "
+ "subvolume. But linkto points to "
+ "different cached subvolume (%s) "
+ "path %s",
+ (local->skip_unlink.hash_links_to
+ ? local->skip_unlink.hash_links_to->name
+ : " <nil>"),
+ local->loc.path);
+
+ if (local->skip_unlink.opend_fd_count == 0) {
+ ret = dht_fill_dict_to_avoid_unlink_of_migrating_file(
+ local->xattr_req);
+
+ if (ret) {
+ DHT_STACK_UNWIND(lookup, frame, -1, EIO, NULL, NULL,
+ NULL, NULL);
+ } else {
+ local->call_cnt = 1;
+ FRAME_SU_DO(frame, dht_local_t);
+ STACK_WIND(frame, dht_lookup_unlink_of_false_linkto_cbk,
+ hashed_subvol, hashed_subvol->fops->unlink,
+ &local->loc, 0, local->xattr_req);
+ }
+
+ return 0;
}
+ }
+ }
+ }
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->postparent, 1);
- }
+preset_layout:
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- dht_set_fixed_dir_stat (&local->postparent);
- DHT_STACK_UNWIND (lookup, frame, local->op_ret,
- local->op_errno, local->inode,
- &local->stbuf, local->xattr,
- &local->postparent);
+ if (found_non_linkto_on_hashed) {
+ if (local->need_lookup_everywhere) {
+ if (gf_uuid_compare(local->gfid, local->inode->gfid)) {
+ /* GFID different, return error */
+ DHT_STACK_UNWIND(lookup, frame, -1, ENOENT, NULL, NULL, NULL,
+ NULL);
return 0;
+ }
}
- if (frame->root->op != GF_FOP_RENAME) {
- local->current = &local->lock[0];
- ret = dht_protect_namespace (frame, &local->loc, hashed_subvol,
- &local->current->ns,
- dht_call_lookup_linkfile_create);
- } else {
- gf_msg_debug (this->name, 0,
- "Creating linkto file on %s(hash) to %s on %s "
- "(gfid = %s)",
- hashed_subvol->name, local->loc.path,
- cached_subvol->name, gfid);
+ local->op_ret = 0;
+ local->op_errno = 0;
+ layout = dht_layout_for_subvol(this, cached_subvol);
+ if (!layout) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_SUBVOL_INFO,
+ "%s: no pre-set layout for subvolume %s,"
+ " gfid = %s",
+ local->loc.path,
+ (cached_subvol ? cached_subvol->name : "<nil>"), gfid);
+ }
- ret = dht_linkfile_create (frame,
- dht_lookup_linkfile_create_cbk, this,
- cached_subvol, hashed_subvol,
- &local->loc);
+ ret = dht_layout_set(this, local->inode, layout);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_SUBVOL_INFO,
+ "%s: failed to set layout for subvol %s, "
+ "gfid = %s",
+ local->loc.path,
+ (cached_subvol ? cached_subvol->name : "<nil>"), gfid);
}
- return ret;
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
+ }
-unwind_hashed_and_cached:
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- dht_set_fixed_dir_stat (&local->postparent);
- DHT_STACK_UNWIND (lookup, frame, local->op_ret, local->op_errno,
- local->inode, &local->stbuf, local->xattr,
- &local->postparent);
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ dht_set_fixed_dir_stat(&local->postparent);
+ DHT_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->stbuf, local->xattr,
+ &local->postparent);
return 0;
-}
-
-int
-dht_lookup_everywhere_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *buf, dict_t *xattr,
- struct iatt *postparent)
-{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- int is_linkfile = 0;
- int is_dir = 0;
- loc_t *loc = NULL;
- xlator_t *link_subvol = NULL;
- int ret = -1;
- int32_t fd_count = 0;
- dht_conf_t *conf = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- dict_t *dict_req = {0};
-
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
- GF_VALIDATE_OR_GOTO ("dht", this->private, out);
-
- local = frame->local;
- loc = &local->loc;
- conf = this->private;
-
- prev = cookie;
-
- gf_msg_debug (this->name, 0,
- "returned with op_ret %d and op_errno %d (%s) "
- "from subvol %s", op_ret, op_errno, loc->path,
- prev->name);
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- if (op_errno != ENOENT)
- local->op_errno = op_errno;
- goto unlock;
- }
-
- if (gf_uuid_is_null (local->gfid))
- gf_uuid_copy (local->gfid, buf->ia_gfid);
-
- gf_uuid_unparse(local->gfid, gfid);
-
- if (gf_uuid_compare (local->gfid, buf->ia_gfid)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_GFID_MISMATCH,
- "%s: gfid differs on subvolume %s,"
- " gfid local = %s, gfid node = %s",
- loc->path, prev->name, gfid,
- uuid_utoa(buf->ia_gfid));
- }
-
- is_linkfile = check_is_linkfile (inode, buf, xattr,
- conf->link_xattr_name);
-
- if (is_linkfile) {
- link_subvol = dht_linkfile_subvol (this, inode, buf,
- xattr);
- gf_msg_debug (this->name, 0,
- "found on %s linkfile %s (-> %s)",
- prev->name, loc->path,
- link_subvol ? link_subvol->name : "''");
- goto unlock;
- }
+ }
- is_dir = check_is_dir (inode, buf, xattr);
+ if (!hashed_subvol) {
+ gf_msg_debug(this->name, 0,
+ "Cannot create linkfile for %s on %s: "
+ "hashed subvolume cannot be found, gfid = %s.",
+ local->loc.path, cached_subvol->name, gfid);
- /* non linkfile GFID takes precedence but don't overwrite
- gfid if we have already found a cached file*/
- if (!local->cached_subvol)
- gf_uuid_copy (local->gfid, buf->ia_gfid);
+ local->op_ret = 0;
+ local->op_errno = 0;
- if (is_dir) {
- local->dir_count++;
+ ret = dht_layout_preset(frame->this, cached_subvol, local->inode);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_LAYOUT_PRESET_FAILED,
+ "Failed to set layout for subvol %s"
+ ", gfid = %s",
+ cached_subvol ? cached_subvol->name : "<nil>", gfid);
+ local->op_ret = -1;
+ local->op_errno = EINVAL;
+ }
- gf_msg_debug (this->name, 0,
- "found on %s directory %s",
- prev->name, loc->path);
- } else {
- local->file_count++;
-
- gf_msg_debug (this->name, 0,
- "found cached file on %s for %s",
- prev->name, loc->path);
-
- if (!local->cached_subvol) {
- /* found one file */
- dht_iatt_merge (this, &local->stbuf, buf);
-
- local->xattr = dict_ref (xattr);
- local->cached_subvol = prev;
-
- gf_msg_debug (this->name, 0,
- "storing cached on %s file"
- " %s", prev->name, loc->path);
-
- dht_iatt_merge (this, &local->postparent,
- postparent);
-
- gf_uuid_copy (local->skip_unlink.cached_gfid,
- buf->ia_gfid);
- } else {
- /* This is where we need 'rename' both entries logic */
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_FILE_ON_MULT_SUBVOL,
- "multiple subvolumes (%s and %s) have "
- "file %s (preferably rename the file "
- "in the backend,and do a fresh lookup)",
- local->cached_subvol->name,
- prev->name, local->loc.path);
- }
- }
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
}
-unlock:
- UNLOCK (&frame->lock);
- if (is_linkfile) {
- ret = dict_get_int32 (xattr, GLUSTERFS_OPEN_FD_COUNT, &fd_count);
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ dht_set_fixed_dir_stat(&local->postparent);
+ DHT_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->stbuf, local->xattr,
+ &local->postparent);
+ return 0;
+ }
- /* Any linkto file found on the non-hashed subvolume should
- * be unlinked (performed in the "else if" block below)
- *
- * But if a linkto file is found on hashed subvolume, it may be
- * pointing to valid cached node. So unlinking of linkto
- * file on hashed subvolume is skipped and inside
- * dht_lookup_everywhere_done, checks are performed. If this
- * linkto file is found as stale linkto file, it is deleted
- * otherwise unlink is skipped.
- */
+ if (frame->root->op != GF_FOP_RENAME) {
+ local->current = &local->lock[0];
+ ret = dht_protect_namespace(frame, &local->loc, hashed_subvol,
+ &local->current->ns,
+ dht_call_lookup_linkfile_create);
+ } else {
+ gf_msg_debug(this->name, 0,
+ "Creating linkto file on %s(hash) to %s on %s "
+ "(gfid = %s)",
+ hashed_subvol->name, local->loc.path, cached_subvol->name,
+ gfid);
+
+ ret = dht_linkfile_create(frame, dht_lookup_linkfile_create_cbk, this,
+ cached_subvol, hashed_subvol, &local->loc);
+ }
+
+ return ret;
- if (local->hashed_subvol && local->hashed_subvol == prev) {
-
- local->skip_unlink.handle_valid_link = _gf_true;
- local->skip_unlink.opend_fd_count = fd_count;
- local->skip_unlink.hash_links_to = link_subvol;
- gf_uuid_copy (local->skip_unlink.hashed_gfid,
- buf->ia_gfid);
-
- gf_msg_debug (this->name, 0, "Found"
- " one linkto file on hashed subvol %s "
- "for %s: Skipping unlinking till "
- "everywhere_done", prev->name,
- loc->path);
-
- } else if (!ret && (fd_count == 0)) {
-
- dict_req = dict_new ();
-
- ret = dht_fill_dict_to_avoid_unlink_of_migrating_file
- (dict_req);
-
- if (ret) {
-
- /* Skip unlinking for dict_failure
- *File is found as a linkto file on non-hashed,
- *subvolume. In the current implementation,
- *finding a linkto-file on non-hashed does not
- *always implies that it is stale. So deletion
- *of file should be done only when both fd is
- *closed and linkto-xattr is set. In case of
- *dict_set failure, avoid skipping of file.
- *NOTE: dht_frame_return should get called for
- * this block.
- */
-
- dict_unref (dict_req);
-
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_SUBVOL_INFO,
- "attempting deletion of stale linkfile "
- "%s on %s (hashed subvol is %s)",
- loc->path, prev->name,
- (local->hashed_subvol?
- local->hashed_subvol->name : "<null>"));
- /* *
- * These stale files may be created using root
- * user. Hence deletion will work only with
- * root.
- */
- FRAME_SU_DO (frame, dht_local_t);
- STACK_WIND (frame, dht_lookup_unlink_cbk,
- prev, prev->fops->unlink, loc,
- 0, dict_req);
-
- dict_unref (dict_req);
-
- return 0;
- }
- }
- }
+unwind_hashed_and_cached:
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ dht_set_fixed_dir_stat(&local->postparent);
+ DHT_STACK_UNWIND(lookup, frame, local->op_ret, local->op_errno,
+ local->inode, &local->stbuf, local->xattr,
+ &local->postparent);
+ return 0;
+}
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- dht_lookup_everywhere_done (frame, this);
+static int
+dht_lookup_everywhere_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *buf, dict_t *xattr,
+ struct iatt *postparent)
+{
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ int is_linkfile = 0;
+ int is_dir = 0;
+ loc_t *loc = NULL;
+ xlator_t *link_subvol = NULL;
+ int ret = -1;
+ int32_t fd_count = 0;
+ dht_conf_t *conf = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ dict_t *dict_req = {0};
+
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+ GF_VALIDATE_OR_GOTO("dht", this->private, out);
+
+ local = frame->local;
+ loc = &local->loc;
+ conf = this->private;
+
+ prev = cookie;
+
+ gf_msg_debug(this->name, 0,
+ "returned with op_ret %d and op_errno %d (%s) "
+ "from subvol %s",
+ op_ret, op_errno, loc->path, prev->name);
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ if (op_errno != ENOENT)
+ local->op_errno = op_errno;
+ if (op_errno == ENODATA)
+ local->gfid_missing = _gf_true;
+ goto unlock;
}
-out:
- return ret;
-}
+ if (gf_uuid_is_null(local->gfid))
+ gf_uuid_copy(local->gfid, buf->ia_gfid);
+ gf_uuid_unparse(local->gfid, gfid);
-int
-dht_lookup_everywhere (call_frame_t *frame, xlator_t *this, loc_t *loc)
-{
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- int i = 0;
- int call_cnt = 0;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", this->private, out);
- GF_VALIDATE_OR_GOTO ("dht", loc, out);
+ if (gf_uuid_compare(local->gfid, buf->ia_gfid)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_GFID_MISMATCH,
+ "%s: gfid differs on subvolume %s,"
+ " gfid local = %s, gfid node = %s",
+ loc->path, prev->name, gfid, uuid_utoa(buf->ia_gfid));
+ }
- conf = this->private;
- local = frame->local;
+ is_linkfile = check_is_linkfile(inode, buf, xattr,
+ conf->link_xattr_name);
- call_cnt = conf->subvolume_cnt;
- local->call_cnt = call_cnt;
+ if (is_linkfile) {
+ link_subvol = dht_linkfile_subvol(this, inode, buf, xattr);
+ gf_msg_debug(this->name, 0, "found on %s linkfile %s (-> %s)",
+ prev->name, loc->path,
+ link_subvol ? link_subvol->name : "''");
+ goto unlock;
+ }
- if (!local->inode)
- local->inode = inode_ref (loc->inode);
+ is_dir = check_is_dir(inode, buf, xattr);
- gf_msg_debug (this->name, 0,
- "winding lookup call to %d subvols", call_cnt);
+ /* non linkfile GFID takes precedence but don't overwrite
+ gfid if we have already found a cached file*/
+ if (!local->cached_subvol)
+ gf_uuid_copy(local->gfid, buf->ia_gfid);
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_lookup_everywhere_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- loc, local->xattr_req);
- }
+ if (is_dir) {
+ local->dir_count++;
- return 0;
-out:
- DHT_STACK_UNWIND (lookup, frame, -1, EINVAL, NULL, NULL, NULL, NULL);
-err:
- return -1;
-}
+ gf_msg_debug(this->name, 0, "found on %s directory %s", prev->name,
+ loc->path);
+ } else {
+ local->file_count++;
+ gf_msg_debug(this->name, 0, "found cached file on %s for %s",
+ prev->name, loc->path);
-int
-dht_lookup_linkfile_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
-{
- xlator_t *prev = NULL;
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- loc_t *loc = NULL;
- dht_conf_t *conf = NULL;
- int ret = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, unwind);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, unwind);
- GF_VALIDATE_OR_GOTO ("dht", this->private, unwind);
- GF_VALIDATE_OR_GOTO ("dht", cookie, unwind);
-
- prev = cookie;
- subvol = prev;
- conf = this->private;
- local = frame->local;
- loc = &local->loc;
+ if (!local->cached_subvol) {
+ /* found one file */
+ dht_iatt_merge(this, &local->stbuf, buf);
- gf_uuid_unparse(loc->gfid, gfid);
+ local->xattr = dict_ref(xattr);
+ local->cached_subvol = prev;
- if (op_ret == -1) {
- gf_msg (this->name, GF_LOG_INFO, op_errno,
- DHT_MSG_LINK_FILE_LOOKUP_INFO,
- "Lookup of %s on %s (following linkfile) failed "
- ",gfid = %s", local->loc.path, subvol->name, gfid);
-
- /* If cached subvol returned ENOTCONN, do not do
- lookup_everywhere. We need to make sure linkfile does not get
- removed, which can take away the namespace, and subvol is
- anyways down. */
-
- local->cached_subvol = NULL;
- if (op_errno != ENOTCONN)
- goto err;
- else
- goto unwind;
+ gf_msg_debug(this->name, 0,
+ "storing cached on %s file"
+ " %s",
+ prev->name, loc->path);
+
+ dht_iatt_merge(this, &local->postparent, postparent);
+
+ gf_uuid_copy(local->skip_unlink.cached_gfid, buf->ia_gfid);
+ } else {
+ /* This is where we need 'rename' both entries logic */
+ gf_msg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_FILE_ON_MULT_SUBVOL,
+ "multiple subvolumes (%s and %s) have "
+ "file %s (preferably rename the file "
+ "in the backend,and do a fresh lookup)",
+ local->cached_subvol->name, prev->name, local->loc.path);
+ }
}
+ }
+unlock:
+ UNLOCK(&frame->lock);
- if (check_is_dir (inode, stbuf, xattr)) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LINK_FILE_LOOKUP_INFO,
- "Lookup of %s on %s (following linkfile) reached dir,"
- " gfid = %s", local->loc.path, subvol->name, gfid);
- goto err;
- }
+ if (is_linkfile) {
+ ret = dict_get_int32(xattr, GLUSTERFS_OPEN_FD_COUNT, &fd_count);
- if (check_is_linkfile (inode, stbuf, xattr, conf->link_xattr_name)) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LINK_FILE_LOOKUP_INFO,
- "lookup of %s on %s (following linkfile) reached link,"
- "gfid = %s", local->loc.path, subvol->name, gfid);
- goto err;
- }
+ /* Any linkto file found on the non-hashed subvolume should
+ * be unlinked (performed in the "else if" block below)
+ *
+ * But if a linkto file is found on hashed subvolume, it may be
+ * pointing to valid cached node. So unlinking of linkto
+ * file on hashed subvolume is skipped and inside
+ * dht_lookup_everywhere_done, checks are performed. If this
+ * linkto file is found as stale linkto file, it is deleted
+ * otherwise unlink is skipped.
+ */
- if (gf_uuid_compare (local->gfid, stbuf->ia_gfid)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_GFID_MISMATCH,
- "%s: gfid different on data file on %s,"
- " gfid local = %s, gfid node = %s ",
- local->loc.path, subvol->name, gfid,
- uuid_utoa(stbuf->ia_gfid));
- goto err;
- }
+ if (local->hashed_subvol && local->hashed_subvol == prev) {
+ local->skip_unlink.handle_valid_link = _gf_true;
+ local->skip_unlink.opend_fd_count = fd_count;
+ local->skip_unlink.hash_links_to = link_subvol;
+ gf_uuid_copy(local->skip_unlink.hashed_gfid, buf->ia_gfid);
+
+ gf_msg_debug(this->name, 0,
+ "Found"
+ " one linkto file on hashed subvol %s "
+ "for %s: Skipping unlinking till "
+ "everywhere_done",
+ prev->name, loc->path);
+
+ } else if (!ret && (fd_count == 0)) {
+ dict_req = dict_new();
+
+ ret = dht_fill_dict_to_avoid_unlink_of_migrating_file(dict_req);
+
+ if (ret) {
+ /* Skip unlinking for dict_failure
+ *File is found as a linkto file on non-hashed,
+ *subvolume. In the current implementation,
+ *finding a linkto-file on non-hashed does not
+ *always implies that it is stale. So deletion
+ *of file should be done only when both fd is
+ *closed and linkto-xattr is set. In case of
+ *dict_set failure, avoid skipping of file.
+ *NOTE: dht_frame_return should get called for
+ * this block.
+ */
- if ((stbuf->ia_nlink == 1)
- && (conf && conf->unhashed_sticky_bit)) {
- stbuf->ia_prot.sticky = 1;
- }
+ dict_unref(dict_req);
+
+ } else {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_SUBVOL_INFO,
+ "attempting deletion of stale linkfile "
+ "%s on %s (hashed subvol is %s)",
+ loc->path, prev->name,
+ (local->hashed_subvol ? local->hashed_subvol->name
+ : "<null>"));
+ /* *
+ * These stale files may be created using root
+ * user. Hence deletion will work only with
+ * root.
+ */
+ FRAME_SU_DO(frame, dht_local_t);
+ STACK_WIND(frame, dht_lookup_unlink_cbk, prev,
+ prev->fops->unlink, loc, 0, dict_req);
- ret = dht_layout_preset (this, prev, inode);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LAYOUT_PRESET_FAILED,
- "Failed to set layout for subvolume %s,"
- "gfid = %s", prev->name, gfid);
- op_ret = -1;
- op_errno = EINVAL;
- }
+ dict_unref(dict_req);
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- postparent, 1);
+ return 0;
+ }
}
+ }
-unwind:
- DHT_STRIP_PHASE1_FLAGS (stbuf);
- dht_set_fixed_dir_stat (postparent);
- DHT_STACK_UNWIND (lookup, frame, op_ret, op_errno, inode, stbuf, xattr,
- postparent);
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ dht_lookup_everywhere_done(frame, this);
+ }
- return 0;
-
-err:
- dht_lookup_everywhere (frame, this, loc);
out:
- return 0;
+ return ret;
}
-
int
-dht_lookup_directory (call_frame_t *frame, xlator_t *this, loc_t *loc)
+dht_lookup_everywhere(call_frame_t *frame, xlator_t *this, loc_t *loc)
{
- int call_cnt = 0;
- int i = 0;
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- int ret = 0;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ int i = 0;
+ int call_cnt = 0;
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, unwind);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, unwind);
- GF_VALIDATE_OR_GOTO ("dht", this->private, unwind);
- GF_VALIDATE_OR_GOTO ("dht", loc, unwind);
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", this->private, out);
+ GF_VALIDATE_OR_GOTO("dht", loc, out);
- conf = this->private;
- local = frame->local;
+ conf = this->private;
+ local = frame->local;
- call_cnt = conf->subvolume_cnt;
- local->call_cnt = call_cnt;
+ call_cnt = conf->subvolume_cnt;
+ local->call_cnt = call_cnt;
- local->layout = dht_layout_new (this, conf->subvolume_cnt);
- if (!local->layout) {
- goto unwind;
- }
+ if (!local->inode)
+ local->inode = inode_ref(loc->inode);
- if (local->xattr != NULL) {
- dict_unref (local->xattr);
- local->xattr = NULL;
- }
+ gf_msg_debug(this->name, 0, "winding lookup call to %d subvols", call_cnt);
- if (!gf_uuid_is_null (local->gfid)) {
- ret = dict_set_gfuuid (local->xattr_req, "gfid-req",
- local->gfid, true);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value:"
- " key = gfid-req", local->loc.path);
- }
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_lookup_everywhere_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, loc,
+ local->xattr_req);
+ }
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_lookup_dir_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- &local->loc, local->xattr_req);
- }
- return 0;
-unwind:
- DHT_STACK_UNWIND (lookup, frame, -1, ENOMEM, NULL, NULL, NULL, NULL);
+ return 0;
out:
- return 0;
+ DHT_STACK_UNWIND(lookup, frame, -1, EINVAL, NULL, NULL, NULL, NULL);
+err:
+ return -1;
+}
+
+int
+dht_lookup_linkfile_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, dict_t *xattr,
+ struct iatt *postparent)
+{
+ xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ loc_t *loc = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, unwind);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, unwind);
+ GF_VALIDATE_OR_GOTO("dht", this->private, unwind);
+ GF_VALIDATE_OR_GOTO("dht", cookie, unwind);
+
+ prev = cookie;
+ subvol = prev;
+ conf = this->private;
+ local = frame->local;
+ loc = &local->loc;
+
+ gf_uuid_unparse(loc->gfid, gfid);
+
+ if (op_ret == -1) {
+ gf_msg(this->name, GF_LOG_INFO, op_errno, DHT_MSG_LINK_FILE_LOOKUP_INFO,
+ "Lookup of %s on %s (following linkfile) failed "
+ ",gfid = %s",
+ local->loc.path, subvol->name, gfid);
+
+ /* If cached subvol returned ENOTCONN, do not do
+ lookup_everywhere. We need to make sure linkfile does not get
+ removed, which can take away the namespace, and subvol is
+ anyways down. */
+
+ local->cached_subvol = NULL;
+ if (op_errno != ENOTCONN)
+ goto err;
+ else
+ goto unwind;
+ }
+
+ if (check_is_dir(inode, stbuf, xattr)) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_LINK_FILE_LOOKUP_INFO,
+ "Lookup of %s on %s (following linkfile) reached dir,"
+ " gfid = %s",
+ local->loc.path, subvol->name, gfid);
+ goto err;
+ }
+
+ if (check_is_linkfile(inode, stbuf, xattr, conf->link_xattr_name)) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_LINK_FILE_LOOKUP_INFO,
+ "lookup of %s on %s (following linkfile) reached link,"
+ "gfid = %s",
+ local->loc.path, subvol->name, gfid);
+ goto err;
+ }
+
+ if (gf_uuid_compare(local->gfid, stbuf->ia_gfid)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_GFID_MISMATCH,
+ "%s: gfid different on data file on %s,"
+ " gfid local = %s, gfid node = %s ",
+ local->loc.path, subvol->name, gfid, uuid_utoa(stbuf->ia_gfid));
+ goto err;
+ }
+
+ if ((stbuf->ia_nlink == 1) && (conf && conf->unhashed_sticky_bit)) {
+ stbuf->ia_prot.sticky = 1;
+ }
+
+ ret = dht_layout_preset(this, prev, inode);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_LAYOUT_PRESET_FAILED,
+ "Failed to set layout for subvolume %s,"
+ "gfid = %s",
+ prev->name, gfid);
+ op_ret = -1;
+ op_errno = EINVAL;
+ }
+
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this, postparent, 1);
+ }
+unwind:
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
+ dht_set_fixed_dir_stat(postparent);
+ DHT_STACK_UNWIND(lookup, frame, op_ret, op_errno, inode, stbuf, xattr,
+ postparent);
+
+ return 0;
+
+err:
+ dht_lookup_everywhere(frame, this, loc);
+out:
+ return 0;
}
/* Code to get hashed subvol based on inode and loc
@@ -3145,7741 +2990,7612 @@ out:
hashed subvol based on loc.
*/
-xlator_t *
-dht_inode_get_hashed_subvol (inode_t *inode, xlator_t *this, loc_t *loc)
-{
- char *path = NULL;
- loc_t populate_loc = {0, };
- char *name = NULL;
- xlator_t *hash_subvol = NULL;
-
- if (!inode)
- return hash_subvol;
-
- if (loc && loc->parent && loc->path) {
- if (!loc->name) {
- name = strrchr (loc->path, '/');
- if (name) {
- loc->name = name + 1;
- } else {
- goto out;
- }
- }
- hash_subvol = dht_subvol_get_hashed (this, loc);
- goto out;
+static gf_boolean_t
+dht_should_lookup_everywhere(xlator_t *this, dht_conf_t *conf, loc_t *loc)
+{
+ dht_layout_t *parent_layout = NULL;
+ int ret = 0;
+ gf_boolean_t lookup_everywhere = _gf_true;
+
+ /* lookup-optimize supersedes lookup-unhashed settings.
+ * If it is set, do not process search_unhashed
+ * If lookup-optimize if enabled, lookup everywhere if:
+ * - this is the rebalance daemon.
+ * - loc->parent is unavailable.
+ * - parent_layout is unavailable
+ * - parent_layout->commit_hash != conf->vol_commit_hash
+ */
+
+ if (conf->lookup_optimize) {
+ if (!conf->defrag && loc->parent) {
+ ret = dht_inode_ctx_layout_get(loc->parent, this, &parent_layout);
+ if (!ret && parent_layout &&
+ (parent_layout->commit_hash == conf->vol_commit_hash)) {
+ lookup_everywhere = _gf_false;
+ }
}
+ goto out;
+ } else {
+ if (conf->search_unhashed == GF_DHT_LOOKUP_UNHASHED_AUTO) {
+ if (loc->parent) {
+ ret = dht_inode_ctx_layout_get(loc->parent, this,
+ &parent_layout);
+ if (ret || !parent_layout ||
+ (!parent_layout->search_unhashed)) {
+ lookup_everywhere = _gf_false;
+ }
+ } else {
+ lookup_everywhere = _gf_false;
+ }
- if (!gf_uuid_is_null (inode->gfid)) {
- populate_loc.inode = inode_ref (inode);
- populate_loc.parent = inode_parent (populate_loc.inode,
- NULL, NULL);
- inode_path (populate_loc.inode, NULL, &path);
-
- if (!path)
- goto out;
-
- populate_loc.path = path;
- if (!populate_loc.name && populate_loc.path) {
- name = strrchr (populate_loc.path, '/');
- if (name) {
- populate_loc.name = name + 1;
-
- } else {
- goto out;
- }
- }
- hash_subvol = dht_subvol_get_hashed (this, &populate_loc);
+ goto out;
}
+ }
out:
- if (populate_loc.inode)
- loc_wipe (&populate_loc);
- return hash_subvol;
+ return lookup_everywhere;
}
-
int
-dht_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
-{
- char is_linkfile = 0;
- char is_dir = 0;
- xlator_t *subvol = NULL;
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- loc_t *loc = NULL;
- xlator_t *prev = NULL;
- int ret = 0;
- dht_layout_t *parent_layout = NULL;
- uint32_t vol_commit_hash = 0;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
- GF_VALIDATE_OR_GOTO ("dht", this->private, out);
-
- conf = this->private;
-
- prev = cookie;
- local = frame->local;
- loc = &local->loc;
+dht_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf, dict_t *xattr,
+ struct iatt *postparent)
+{
+ char is_linkfile = 0;
+ char is_dir = 0;
+ xlator_t *subvol = NULL;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ loc_t *loc = NULL;
+ xlator_t *prev = NULL;
+ int ret = 0;
+ uint32_t vol_commit_hash = 0;
- /* This is required for handling stale linkfile deletion,
- * or any more call which happens from this 'loc'.
- */
- if (!op_ret && gf_uuid_is_null (local->gfid))
- memcpy (local->gfid, stbuf->ia_gfid, 16);
-
- gf_msg_debug (this->name, op_errno,
- "fresh_lookup returned for %s with op_ret %d",
- loc->path, op_ret);
-
- if (!conf->vch_forced) {
- ret = dict_get_uint32 (xattr, conf->commithash_xattr_name,
- &vol_commit_hash);
- if (ret == 0) {
- conf->vol_commit_hash = vol_commit_hash;
- }
- }
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+ GF_VALIDATE_OR_GOTO("dht", this->private, out);
- if (ENTRY_MISSING (op_ret, op_errno)) {
+ conf = this->private;
- if (1 == conf->subvolume_cnt) {
- /* No need to lookup again */
- goto out;
- }
+ prev = cookie;
+ local = frame->local;
+ loc = &local->loc;
- gf_msg_debug (this->name, 0,
- "Entry %s missing on subvol %s",
- loc->path, prev->name);
-
- /* lookup-optimize supersedes lookup-unhashed settings,
- * - so if it is set, do not process search_unhashed
- * - except, in the case of rebalance daemon, we want to
- * force the lookup_everywhere behavior */
- if (!conf->defrag && conf->lookup_optimize && loc->parent) {
- ret = dht_inode_ctx_layout_get (loc->parent, this,
- &parent_layout);
- if (ret || !parent_layout ||
- (parent_layout->commit_hash !=
- conf->vol_commit_hash)) {
- gf_msg_debug (this->name, 0,
- "hashes don't match (ret - %d,"
- " parent_layout - %p, parent_hash - %x,"
- " vol_hash - %x), do global lookup",
- ret, parent_layout,
- (parent_layout ?
- parent_layout->commit_hash : -1),
- conf->vol_commit_hash);
- local->op_errno = ENOENT;
- dht_lookup_everywhere (frame, this, loc);
- return 0;
- }
- } else {
- if (conf->search_unhashed ==
- GF_DHT_LOOKUP_UNHASHED_ON) {
- local->op_errno = ENOENT;
- dht_lookup_everywhere (frame, this, loc);
- return 0;
- }
+ gf_msg_debug(this->name, op_errno,
+ "%s: fresh_lookup on %s returned with op_ret %d", loc->path,
+ prev->name, op_ret);
- if ((conf->search_unhashed ==
- GF_DHT_LOOKUP_UNHASHED_AUTO) &&
- (loc->parent)) {
- ret = dht_inode_ctx_layout_get (loc->parent,
- this,
- &parent_layout);
- if (ret || !parent_layout)
- goto out;
- if (parent_layout->search_unhashed) {
- local->op_errno = ENOENT;
- dht_lookup_everywhere (frame, this,
- loc);
- return 0;
- }
- }
- }
- }
+ if (op_ret == -1) {
+ if (ENTRY_MISSING(op_ret, op_errno)) {
+ if (1 == conf->subvolume_cnt) {
+ /* No need to lookup again */
+ goto out;
+ }
- if (op_ret == 0) {
- is_dir = check_is_dir (inode, stbuf, xattr);
- if (is_dir) {
- local->inode = inode_ref (inode);
- local->xattr = dict_ref (xattr);
- }
- }
+ gf_msg_debug(this->name, 0, "Entry %s missing on subvol %s",
+ loc->path, prev->name);
+
+ if (dht_should_lookup_everywhere(this, conf, loc)) {
+ local->op_errno = ENOENT;
+ dht_lookup_everywhere(frame, this, loc);
+ return 0;
+ }
- if (is_dir || (op_ret == -1 && op_errno == ENOTCONN)) {
- dht_lookup_directory (frame, this, &local->loc);
+ } else {
+ /* posix returns ENODATA if the gfid is not set but the client and
+ * server protocol layers do not send the stbuf. We need to
+ * heal this so check if this is a directory on the other subvols.
+ */
+ if ((op_errno == ENOTCONN) || (op_errno == ENODATA)) {
+ dht_lookup_directory(frame, this, &local->loc);
return 0;
+ }
}
-
- if (op_ret == -1) {
- gf_msg_debug (this->name, op_errno,
- "Lookup of %s for subvolume"
- " %s failed", loc->path,
- prev->name);
- goto out;
+ gf_msg_debug(this->name, op_errno, "%s: Lookup on subvolume %s failed",
+ loc->path, prev->name);
+ goto out;
+ }
+
+ /* Lookup succeeded - op_ret = 0 */
+
+ /* This is required for handling stale linkfile deletion,
+ * or any more call which happens from this 'loc'.
+ */
+ if (gf_uuid_is_null(local->gfid)) {
+ /*This is set from the first successful response*/
+ memcpy(local->gfid, stbuf->ia_gfid, 16);
+ }
+
+ if (!conf->vch_forced) {
+ /* Update the commit hash in conf if it is found */
+ ret = dict_get_uint32(xattr, conf->commithash_xattr_name,
+ &vol_commit_hash);
+ if (ret == 0) {
+ conf->vol_commit_hash = vol_commit_hash;
}
+ }
- is_linkfile = check_is_linkfile (inode, stbuf, xattr,
- conf->link_xattr_name);
-
- if (!is_linkfile) {
- /* non-directory and not a linkfile */
-
- ret = dht_layout_preset (this, prev, inode);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LAYOUT_PRESET_FAILED,
- "could not set pre-set layout for subvolume %s",
- prev->name);
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
- goto out;
- }
+ is_dir = check_is_dir(inode, stbuf, xattr);
+ if (is_dir) {
+ /* A directory is present on all subvols, send the lookup to
+ * all subvols now */
+ local->inode = inode_ref(inode);
+ local->xattr = dict_ref(xattr);
+ dht_lookup_directory(frame, this, &local->loc);
+ return 0;
+ }
- subvol = dht_linkfile_subvol (this, inode, stbuf, xattr);
- if (!subvol) {
+ is_linkfile = check_is_linkfile(inode, stbuf, xattr, conf->link_xattr_name);
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_SUBVOL_INFO, "linkfile not having link "
- "subvol for %s", loc->path);
+ if (!is_linkfile) {
+ /* non-directory and not a linkto file. This is a data file
+ * Update the layout to point to the cached subvol
+ */
- gf_msg_debug (this->name, 0,
- "linkfile not having link subvolume. path=%s",
- loc->path);
- dht_lookup_everywhere (frame, this, loc);
- return 0;
+ ret = dht_layout_preset(this, prev, inode);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_LAYOUT_PRESET_FAILED,
+ "%s: could not set pre-set layout for subvolume %s",
+ loc->path, prev->name);
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
}
+ goto out;
+ }
- gf_msg_debug (this->name, 0,
- "Calling lookup on linkto target %s for path %s",
- subvol->name, loc->path);
-
- STACK_WIND_COOKIE (frame, dht_lookup_linkfile_cbk, subvol,
- subvol, subvol->fops->lookup,
- &local->loc, local->xattr_req);
-
+ /* This is a linkto file. Get the value of the target subvol from the
+ * linkto xattr and lookup there to see if the file exists
+ */
+ subvol = dht_linkfile_subvol(this, inode, stbuf, xattr);
+ if (!subvol) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_SUBVOL_INFO,
+ "%s: No link subvol for linkto", loc->path);
+ dht_lookup_everywhere(frame, this, loc);
return 0;
+ }
-out:
- /*
- * FIXME: postparent->ia_size and postparent->st_blocks do not have
- * correct values. since, postparent corresponds to a directory these
- * two members should have values equal to sum of corresponding values
- * from each of the subvolume. See dht_iatt_merge for reference.
- */
+ gf_msg_debug(this->name, 0, "%s: Calling lookup on linkto target %s",
+ loc->path, subvol->name);
- if (!op_ret && local && local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- postparent, 1);
- }
+ STACK_WIND_COOKIE(frame, dht_lookup_linkfile_cbk, subvol, subvol,
+ subvol->fops->lookup, &local->loc, local->xattr_req);
- DHT_STRIP_PHASE1_FLAGS (stbuf);
- dht_set_fixed_dir_stat (postparent);
- DHT_STACK_UNWIND (lookup, frame, op_ret, op_errno, inode, stbuf, xattr,
- postparent);
+ return 0;
+
+out:
+ /*
+ * FIXME: postparent->ia_size and postparent->st_blocks do not have
+ * correct values. since, postparent corresponds to a directory these
+ * two members should have values equal to sum of corresponding values
+ * from each of the subvolume. See dht_iatt_merge for reference.
+ */
+
+ if (!op_ret && local && local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this, postparent, 1);
+ }
+
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
+ dht_set_fixed_dir_stat(postparent);
+ DHT_STACK_UNWIND(lookup, frame, op_ret, op_errno, inode, stbuf, xattr,
+ postparent);
err:
- return 0;
+ return 0;
}
-/* For directories, check if acl xattrs have been requested (by the acl xlator),
- * if not, request for them. These xattrs are needed for dht dir self-heal to
- * perform proper self-healing of dirs
+/* For directories, check if acl xattrs have been requested (by the acl
+ * xlator), if not, request for them. These xattrs are needed for dht dir
+ * self-heal to perform proper self-healing of dirs
*/
-void
-dht_check_and_set_acl_xattr_req (xlator_t *this, dict_t *xattr_req)
+static void
+dht_check_and_set_acl_xattr_req(xlator_t *this, dict_t *xattr_req)
{
- int ret = 0;
+ int ret = 0;
- GF_ASSERT (xattr_req);
+ GF_ASSERT(xattr_req);
- if (!dict_get (xattr_req, POSIX_ACL_ACCESS_XATTR)) {
- ret = dict_set_int8 (xattr_req, POSIX_ACL_ACCESS_XATTR, 0);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s",
- POSIX_ACL_ACCESS_XATTR);
- }
+ if (!dict_get(xattr_req, POSIX_ACL_ACCESS_XATTR)) {
+ ret = dict_set_int8(xattr_req, POSIX_ACL_ACCESS_XATTR, 0);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value:key = %s",
+ POSIX_ACL_ACCESS_XATTR);
+ }
- if (!dict_get (xattr_req, POSIX_ACL_DEFAULT_XATTR)) {
- ret = dict_set_int8 (xattr_req, POSIX_ACL_DEFAULT_XATTR, 0);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s",
- POSIX_ACL_DEFAULT_XATTR);
- }
+ if (!dict_get(xattr_req, POSIX_ACL_DEFAULT_XATTR)) {
+ ret = dict_set_int8(xattr_req, POSIX_ACL_DEFAULT_XATTR, 0);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value:key = %s",
+ POSIX_ACL_DEFAULT_XATTR);
+ }
- return;
+ return;
}
-
/* for directories, we need the following info:
* the layout : trusted.glusterfs.dht
* the mds information : trusted.glusterfs.dht.mds
* the acl info: See above
*/
-int
-dht_set_dir_xattr_req (xlator_t *this, loc_t *loc, dict_t *xattr_req)
-{
- int ret = -EINVAL;
- dht_conf_t *conf = NULL;
-
- conf = this->private;
- if (!conf) {
- goto err;
- }
-
- if (!xattr_req) {
- goto err;
- }
-
- /* Xattr to get the layout for a directory
- */
- ret = dict_set_uint32 (xattr_req, conf->xattr_name, 4 * 4);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s for "
- "path %s", conf->xattr_name, loc->path);
- goto err;
- }
-
- /*Non-fatal failure */
- ret = dict_set_uint32 (xattr_req, conf->mds_xattr_key, 4);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s for "
- "path %s", conf->mds_xattr_key, loc->path);
- }
-
- dht_check_and_set_acl_xattr_req (this, xattr_req);
- ret = 0;
+static int
+dht_set_dir_xattr_req(xlator_t *this, loc_t *loc, dict_t *xattr_req)
+{
+ int ret = -EINVAL;
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+ if (!conf) {
+ goto err;
+ }
+
+ if (!xattr_req) {
+ goto err;
+ }
+
+ /* Xattr to get the layout for a directory
+ */
+ ret = dict_set_uint32(xattr_req, conf->xattr_name, 4 * 4);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value:key = %s for "
+ "path %s",
+ conf->xattr_name, loc->path);
+ goto err;
+ }
+
+ /*Non-fatal failure */
+ ret = dict_set_uint32(xattr_req, conf->mds_xattr_key, 4);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value:key = %s for "
+ "path %s",
+ conf->mds_xattr_key, loc->path);
+ }
+
+ dht_check_and_set_acl_xattr_req(this, xattr_req);
+ ret = 0;
err:
- return ret;
+ return ret;
}
+/* If the hashed subvol is present, send the lookup to only that subvol first.
+ * If no hashed subvol, send a lookup to all subvols and proceed based on the
+ * responses.
+ */
+static int
+dht_do_fresh_lookup(call_frame_t *frame, xlator_t *this, loc_t *loc)
+{
+ int ret = -1;
+ dht_conf_t *conf = NULL;
+ xlator_t *hashed_subvol = NULL;
+ dht_local_t *local = NULL;
+ int op_errno = -1;
+ int call_cnt = 0;
+ int i = 0;
+
+ conf = this->private;
+ if (!conf) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ local = frame->local;
+ if (!local) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ /* Since we don't know whether this is a file or a directory,
+ * request all xattrs*/
+ ret = dht_set_file_xattr_req(this, loc, local->xattr_req);
+ if (ret) {
+ op_errno = -ret;
+ goto err;
+ }
+
+ ret = dht_set_dir_xattr_req(this, loc, local->xattr_req);
+ if (ret) {
+ op_errno = -ret;
+ goto err;
+ }
+
+ /* Fuse sets a random value in gfid-req. If the gfid is missing
+ * on one or more subvols, posix will set the gfid to this value,
+ * causing GFID mismatches for directories. Remove the value fuse
+ * has sent before sending the lookup.
+ */
+ ret = dict_get_gfuuid(local->xattr_req, "gfid-req", &local->gfid_req);
+ if (ret) {
+ gf_msg_debug(this->name, 0, "%s: No gfid-req available", loc->path);
+ } else {
+ dict_del(local->xattr_req, "gfid-req");
+ }
+ /* This should have been set in dht_lookup */
+ hashed_subvol = local->hashed_subvol;
+
+ if (!hashed_subvol) {
+ gf_msg_debug(this->name, 0,
+ "%s: no subvolume in layout for path, "
+ "checking on all the subvols to see if "
+ "it is a directory",
+ loc->path);
-int dht_set_file_xattr_req (xlator_t *this, loc_t *loc, dict_t *xattr_req)
-{
- int ret = -EINVAL;
- dht_conf_t *conf = NULL;
+ call_cnt = conf->subvolume_cnt;
+ local->call_cnt = call_cnt;
- conf = this->private;
- if (!conf) {
- goto err;
+ /* Allocate a layout. This will be populated and saved in
+ * the dht inode_ctx on successful lookup
+ */
+ local->layout = dht_layout_new(this, conf->subvolume_cnt);
+ if (!local->layout) {
+ op_errno = ENOMEM;
+ goto err;
}
- if (!xattr_req) {
- goto err;
- }
+ gf_msg_debug(this->name, 0,
+ "%s: Found null hashed subvol. Calling lookup"
+ " on all nodes.",
+ loc->path);
- /* Used to check whether this is a linkto file.
- */
- ret = dict_set_uint32 (xattr_req,
- conf->link_xattr_name, 256);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s for "
- "path %s", conf->link_xattr_name, loc->path);
- goto err;
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_lookup_dir_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, &local->loc,
+ local->xattr_req);
}
+ return 0;
+ }
- /* This is used to make sure we don't unlink linkto files
- * which are the target of an ongoing file migration.
- */
- ret = dict_set_uint32 (xattr_req,
- GLUSTERFS_OPEN_FD_COUNT, 4);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s for "
- "path %s", GLUSTERFS_OPEN_FD_COUNT, loc->path);
- goto err;
- }
+ /* if the hashed_subvol is non-null, send the lookup there first so
+ * as to see whether we have a file or a directory */
+ gf_msg_debug(this->name, 0, "%s: Calling fresh lookup on %s", loc->path,
+ hashed_subvol->name);
- ret = 0;
+ STACK_WIND_COOKIE(frame, dht_lookup_cbk, hashed_subvol, hashed_subvol,
+ hashed_subvol->fops->lookup, loc, local->xattr_req);
+ return 0;
err:
- return ret;
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
+ return 0;
}
-
-
-int
-dht_do_revalidate (call_frame_t *frame, xlator_t *this, loc_t *loc)
-{
- xlator_t *subvol = NULL;
- xlator_t *mds_subvol = NULL;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
- int op_errno = -1;
- dht_layout_t *layout = NULL;
- int i = 0;
- int call_cnt = 0;
- int gen = 0;
-
- conf = this->private;
- if (!conf) {
- op_errno = EINVAL;
- goto err;
- }
-
- local = frame->local;
- if (!local) {
- op_errno = EINVAL;
- goto err;
- }
-
- layout = local->layout;
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "path = %s. No layout found in the inode ctx.",
- loc->path);
- op_errno = EINVAL;
- goto err;
- }
-
- /* Generation number has changed. This layout may be stale. */
- if (layout->gen && (layout->gen < conf->gen)) {
- gen = layout->gen;
- dht_layout_unref (this, local->layout);
- local->layout = NULL;
- local->cached_subvol = NULL;
-
- gf_msg_debug(this->name, 0,
- "path = %s. In memory layout may be stale."
- "(layout->gen (%d) is less than "
- "conf->gen (%d)). Calling fresh lookup.",
- loc->path, gen, conf->gen);
-
- dht_do_fresh_lookup (frame, this, loc);
- return 0;
- }
-
- local->inode = inode_ref (loc->inode);
-
- /* Since we don't know whether this has changed,
- * request all xattrs*/
- ret = dht_set_file_xattr_req (this, loc, local->xattr_req);
- if (ret) {
- op_errno = -ret;
- goto err;
- }
-
- ret = dht_set_dir_xattr_req (this, loc, local->xattr_req);
- if (ret) {
- op_errno = -ret;
- goto err;
+static int
+dht_do_revalidate(call_frame_t *frame, xlator_t *this, loc_t *loc)
+{
+ xlator_t *subvol = NULL;
+ xlator_t *mds_subvol = NULL;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+ int op_errno = -1;
+ dht_layout_t *layout = NULL;
+ int i = 0;
+ int call_cnt = 0;
+ int gen = 0;
+
+ conf = this->private;
+ if (!conf) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ local = frame->local;
+ if (!local) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg_debug(this->name, 0,
+ "path = %s. No layout found in the inode ctx.", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ /* Generation number has changed. This layout may be stale. */
+ if (layout->gen && (layout->gen < conf->gen)) {
+ gen = layout->gen;
+ dht_layout_unref(this, local->layout);
+ local->layout = NULL;
+ local->cached_subvol = NULL;
+
+ gf_msg_debug(this->name, 0,
+ "path = %s. In memory layout may be stale."
+ "(layout->gen (%d) is less than "
+ "conf->gen (%d)). Calling fresh lookup.",
+ loc->path, gen, conf->gen);
+
+ dht_do_fresh_lookup(frame, this, loc);
+ return 0;
+ }
+
+ local->inode = inode_ref(loc->inode);
+
+ /* Since we don't know whether this has changed,
+ * request all xattrs*/
+ ret = dht_set_file_xattr_req(this, loc, local->xattr_req);
+ if (ret) {
+ op_errno = -ret;
+ goto err;
+ }
+
+ ret = dht_set_dir_xattr_req(this, loc, local->xattr_req);
+ if (ret) {
+ op_errno = -ret;
+ goto err;
+ }
+
+ if (IA_ISDIR(local->inode->ia_type)) {
+ ret = dht_inode_ctx_mdsvol_get(local->inode, this, &mds_subvol);
+ if (ret || !mds_subvol) {
+ gf_msg_debug(this->name, 0, "path = %s. No mds subvol in inode ctx",
+ local->loc.path);
}
+ local->mds_subvol = mds_subvol;
+ local->call_cnt = conf->subvolume_cnt;
- if (IA_ISDIR (local->inode->ia_type)) {
- ret = dht_inode_ctx_mdsvol_get (local->inode, this,
- &mds_subvol);
- if (ret || !mds_subvol) {
- gf_msg_debug (this->name, 0,
- "path = %s. No mds subvol in inode ctx",
- local->loc.path);
- }
- local->mds_subvol = mds_subvol;
- local->call_cnt = conf->subvolume_cnt;
- call_cnt = local->call_cnt;
-
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_revalidate_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- loc, local->xattr_req);
- }
- return 0;
- }
+ /* local->call_cnt will change as responses are processed. Always use a
+ * local copy to loop through the STACK_WIND calls
+ */
- /* If not a dir, this should be 1 */
- local->call_cnt = layout->cnt;
call_cnt = local->call_cnt;
for (i = 0; i < call_cnt; i++) {
- subvol = layout->list[i].xlator;
-
- gf_msg_debug (this->name, 0, "path = %s. Calling "
- "revalidate lookup on %s",
- loc->path, subvol->name);
-
- STACK_WIND_COOKIE (frame, dht_revalidate_cbk, subvol,
- subvol, subvol->fops->lookup,
- &local->loc, local->xattr_req);
+ STACK_WIND_COOKIE(frame, dht_revalidate_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, loc,
+ local->xattr_req);
}
return 0;
-err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (lookup, frame, -1, op_errno, NULL, NULL, NULL,
- NULL);
- return 0;
-}
-
-int
-dht_do_fresh_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc)
-{
- int ret = -1;
- dht_conf_t *conf = NULL;
- xlator_t *hashed_subvol = NULL;
- dht_local_t *local = NULL;
- int op_errno = -1;
- int call_cnt = 0;
- int i = 0;
-
- conf = this->private;
- if (!conf) {
- op_errno = EINVAL;
- goto err;
- }
-
- local = frame->local;
- if (!local) {
- op_errno = EINVAL;
- goto err;
- }
-
- /* Since we don't know whether this is a file or a directory,
- * request all xattrs*/
- ret = dht_set_file_xattr_req (this, loc, local->xattr_req);
- if (ret) {
- op_errno = -ret;
- goto err;
- }
-
- ret = dht_set_dir_xattr_req (this, loc, local->xattr_req);
- if (ret) {
- op_errno = -ret;
- goto err;
- }
-
- /* This should have been set in dht_lookup */
- hashed_subvol = local->hashed_subvol;
-
- if (!hashed_subvol) {
- gf_msg_debug (this->name, 0,
- "%s: no subvolume in layout for path, "
- "checking on all the subvols to see if "
- "it is a directory", loc->path);
-
- call_cnt = conf->subvolume_cnt;
- local->call_cnt = call_cnt;
-
- local->layout = dht_layout_new (this,
- conf->subvolume_cnt);
- if (!local->layout) {
- op_errno = ENOMEM;
- goto err;
- }
+ }
- gf_msg_debug (this->name, 0,
- "%s: Found null hashed subvol. Calling lookup"
- " on all nodes.", loc->path);
+ /* If not a dir, this should be 1 */
+ local->call_cnt = layout->cnt;
+ call_cnt = local->call_cnt;
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_lookup_dir_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- &local->loc, local->xattr_req);
- }
- return 0;
- }
+ for (i = 0; i < call_cnt; i++) {
+ subvol = layout->list[i].xlator;
- /* if we have the hashed_subvol, send the lookup there first so
- * as to see whether we have a file or a directory */
- gf_msg_debug (this->name, 0, "Calling fresh lookup for %s on"
- " %s", loc->path, hashed_subvol->name);
+ gf_msg_debug(this->name, 0,
+ "path = %s. Calling "
+ "revalidate lookup on %s",
+ loc->path, subvol->name);
- STACK_WIND_COOKIE (frame, dht_lookup_cbk, hashed_subvol,
- hashed_subvol, hashed_subvol->fops->lookup,
- loc, local->xattr_req);
- return 0;
+ STACK_WIND_COOKIE(frame, dht_revalidate_cbk, subvol, subvol,
+ subvol->fops->lookup, &local->loc, local->xattr_req);
+ }
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (lookup, frame, -1, op_errno, NULL, NULL, NULL,
- NULL);
- return 0;
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
+ return 0;
}
+/* Depending on the input, decide if this is a:
+ * fresh-lookup: loc->name is provided but no dht inode ctx
+ * revalidation: loc->name is provided, dht inode ctx is present
+ * discover: gfid based nameless lookup.
+ */
int
-dht_lookup (call_frame_t *frame, xlator_t *this,
- loc_t *loc, dict_t *xattr_req)
-{
- xlator_t *hashed_subvol = NULL;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
- int op_errno = -1;
- loc_t new_loc = {0,};
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
-
- conf = this->private;
- if (!conf)
- goto err;
+dht_lookup(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)
+{
+ xlator_t *hashed_subvol = NULL;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+ int op_errno = -1;
+ loc_t new_loc = {
+ 0,
+ };
- local = dht_local_init (frame, loc, NULL, GF_FOP_LOOKUP);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
- ret = dht_filter_loc_subvol_key (this, loc, &new_loc,
- &hashed_subvol);
- if (ret) {
- loc_wipe (&local->loc);
- ret = loc_dup (&new_loc, &local->loc);
-
- /* we no longer need 'new_loc' entries */
- loc_wipe (&new_loc);
-
- /* check if loc_dup() is successful */
- if (ret == -1) {
- op_errno = errno;
- gf_msg_debug (this->name, errno,
- "copying location failed for path=%s",
- loc->path);
- goto err;
- }
- }
+ conf = this->private;
+ if (!conf)
+ goto err;
- if (xattr_req) {
- local->xattr_req = dict_ref (xattr_req);
- } else {
- local->xattr_req = dict_new ();
- }
+ local = dht_local_init(frame, loc, NULL, GF_FOP_LOOKUP);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- /* Nameless lookup */
+ ret = dht_filter_loc_subvol_key(this, loc, &new_loc, &hashed_subvol);
+ if (ret) {
+ loc_wipe(&local->loc);
+ ret = loc_dup(&new_loc, &local->loc);
- if (gf_uuid_is_null (loc->pargfid) && !gf_uuid_is_null (loc->gfid) &&
- !__is_root_gfid (loc->inode->gfid)) {
- local->cached_subvol = NULL;
- dht_do_discover (frame, this, loc);
- return 0;
- }
+ /* we no longer need 'new_loc' entries */
+ loc_wipe(&new_loc);
- if (loc_is_root (loc)) {
- ret = dict_set_uint32 (local->xattr_req,
- conf->commithash_xattr_name,
- sizeof(uint32_t));
- }
-
- if (!hashed_subvol)
- hashed_subvol = dht_subvol_get_hashed (this, loc);
- local->hashed_subvol = hashed_subvol;
+ /* check if loc_dup() is successful */
+ if (ret == -1) {
+ op_errno = errno;
+ gf_msg_debug(this->name, errno,
+ "copying location failed for path=%s", loc->path);
+ goto err;
+ }
+ }
+
+ if (xattr_req) {
+ local->xattr_req = dict_ref(xattr_req);
+ } else {
+ local->xattr_req = dict_new();
+ }
+
+ /* Nameless lookup */
+
+ /* This is usually sent by NFS. Lookups are done based on the gfid and
+ * no name information is available. Without the name, dht cannot calculate
+ * the hash and has to send a lookup to all subvols.
+ */
+ if (gf_uuid_is_null(loc->pargfid) && !gf_uuid_is_null(loc->gfid) &&
+ !__is_root_gfid(loc->inode->gfid)) {
+ local->cached_subvol = NULL;
+ dht_do_discover(frame, this, loc);
+ return 0;
+ }
+
+ if (loc_is_root(loc)) {
+ /* Request the DHT commit hash xattr (trusted.glusterfs.dht.commithash)
+ * set on the brick root.
+ */
+ ret = dict_set_uint32(local->xattr_req, conf->commithash_xattr_name,
+ sizeof(uint32_t));
+ }
+ if (!hashed_subvol)
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+ local->hashed_subvol = hashed_subvol;
- /* The entry has been looked up before and has an inode_ctx set
+ if (is_revalidate(loc)) {
+ /* The entry has been looked up before and has a dht inode_ctx
*/
- if (is_revalidate (loc)) {
- dht_do_revalidate (frame, this, loc);
- return 0;
- } else {
- dht_do_fresh_lookup (frame, this, loc);
- return 0;
- }
-
+ dht_do_revalidate(frame, this, loc);
return 0;
-err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (lookup, frame, -1, op_errno, NULL, NULL, NULL,
- NULL);
+ } else {
+ /* Entry has not been looked up before
+ */
+ dht_do_fresh_lookup(frame, this, loc);
return 0;
+ }
+
+ return 0;
+err:
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(lookup, frame, -1, op_errno, NULL, NULL, NULL, NULL);
+ return 0;
}
-int
-dht_unlink_linkfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+static int
+dht_unlink_linkfile_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
- local = frame->local;
- prev = cookie;
-
- LOCK (&frame->lock);
- {
- if ((op_ret == -1) && !((op_errno == ENOENT) ||
- (op_errno == ENOTCONN))) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "Unlink link: subvolume %s"
- " returned -1",
- prev->name);
- goto unlock;
- }
+ local = frame->local;
+ prev = cookie;
- local->op_ret = 0;
+ LOCK(&frame->lock);
+ {
+ if ((op_ret == -1) &&
+ !((op_errno == ENOENT) || (op_errno == ENOTCONN))) {
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, op_errno,
+ "Unlink link: subvolume %s returned -1", prev->name);
+ goto post_unlock;
}
-unlock:
- UNLOCK (&frame->lock);
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
- DHT_STACK_UNWIND (unlink, frame, local->op_ret, local->op_errno,
- &local->preparent, &local->postparent, xdata);
+ local->op_ret = 0;
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
+ DHT_STACK_UNWIND(unlink, frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, xdata);
- return 0;
+ return 0;
}
-int
-dht_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+static int
+dht_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *preparent, struct iatt *postparent,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- xlator_t *hashed_subvol = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *hashed_subvol = NULL;
- local = frame->local;
- prev = cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- if (op_errno != ENOENT) {
- local->op_ret = -1;
- local->op_errno = op_errno;
- } else {
- local->op_ret = 0;
- }
- gf_msg_debug (this->name, op_errno,
- "Unlink: subvolume %s returned -1",
- prev->name);
- goto unlock;
- }
+ local = frame->local;
+ prev = cookie;
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ if (op_errno != ENOENT) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ } else {
local->op_ret = 0;
-
- local->postparent = *postparent;
- local->preparent = *preparent;
-
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->preparent, 0);
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->postparent, 1);
- }
+ }
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, op_errno,
+ "Unlink: subvolume %s returned -1", prev->name);
+ goto post_unlock;
}
-unlock:
- UNLOCK (&frame->lock);
- if (!local->op_ret) {
- hashed_subvol = dht_subvol_get_hashed (this, &local->loc);
- if (hashed_subvol && hashed_subvol != local->cached_subvol) {
- /*
- * If hashed and cached are different, then we need
- * to unlink linkfile from hashed subvol if data
- * file is deleted successfully
- */
- STACK_WIND_COOKIE (frame, dht_unlink_linkfile_cbk,
- hashed_subvol, hashed_subvol,
- hashed_subvol->fops->unlink,
- &local->loc, local->flags, xdata);
- return 0;
- }
- }
+ local->op_ret = 0;
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
- DHT_STACK_UNWIND (unlink, frame, local->op_ret, local->op_errno,
- &local->preparent, &local->postparent, xdata);
+ local->postparent = *postparent;
+ local->preparent = *preparent;
- return 0;
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->preparent, 0);
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
+ }
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ if (!local->op_ret) {
+ hashed_subvol = dht_subvol_get_hashed(this, &local->loc);
+ if (hashed_subvol && hashed_subvol != local->cached_subvol) {
+ /*
+ * If hashed and cached are different, then we need
+ * to unlink linkfile from hashed subvol if data
+ * file is deleted successfully
+ */
+ STACK_WIND_COOKIE(frame, dht_unlink_linkfile_cbk, hashed_subvol,
+ hashed_subvol, hashed_subvol->fops->unlink,
+ &local->loc, local->flags, xdata);
+ return 0;
+ }
+ }
+
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
+ DHT_STACK_UNWIND(unlink, frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, xdata);
+
+ return 0;
}
static int
-dht_common_setxattr_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xdata)
+dht_common_setxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- DHT_STACK_UNWIND (setxattr, frame, op_ret, op_errno, xdata);
- return 0;
+ DHT_STACK_UNWIND(setxattr, frame, op_ret, op_errno, xdata);
+ return 0;
}
-
-
static int
-dht_fix_layout_setxattr_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xdata)
+dht_fix_layout_setxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
-
- if (op_ret == 0) {
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
- /* update the layout in the inode ctx */
- local = frame->local;
- layout = local->selfheal.layout;
+ if (op_ret == 0) {
+ /* update the layout in the inode ctx */
+ local = frame->local;
+ layout = local->selfheal.layout;
- dht_layout_set (this, local->loc.inode, layout);
- }
+ dht_layout_set(this, local->loc.inode, layout);
+ }
- DHT_STACK_UNWIND (setxattr, frame, op_ret, op_errno, xdata);
- return 0;
+ DHT_STACK_UNWIND(setxattr, frame, op_ret, op_errno, xdata);
+ return 0;
}
-
-int
-dht_err_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+static int
+dht_err_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
- local = frame->local;
- prev = cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto unlock;
- }
+ local = frame->local;
+ prev = cookie;
- local->op_ret = 0;
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto post_unlock;
}
-unlock:
- UNLOCK (&frame->lock);
-
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- if ((local->fop == GF_FOP_SETXATTR) ||
- (local->fop == GF_FOP_FSETXATTR)) {
- DHT_STACK_UNWIND (setxattr, frame, local->op_ret,
- local->op_errno, NULL);
- }
- if ((local->fop == GF_FOP_REMOVEXATTR) ||
- (local->fop == GF_FOP_FREMOVEXATTR)) {
- DHT_STACK_UNWIND (removexattr, frame, local->op_ret,
- local->op_errno, NULL);
- }
+
+ local->op_ret = 0;
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ if ((local->fop == GF_FOP_SETXATTR) ||
+ (local->fop == GF_FOP_FSETXATTR)) {
+ DHT_STACK_UNWIND(setxattr, frame, local->op_ret, local->op_errno,
+ NULL);
+ /* 'local' itself may not be valid after this */
+ goto out;
+ }
+ if ((local->fop == GF_FOP_REMOVEXATTR) ||
+ (local->fop == GF_FOP_FREMOVEXATTR)) {
+ DHT_STACK_UNWIND(removexattr, frame, local->op_ret, local->op_errno,
+ NULL);
}
+ }
- return 0;
+out:
+ return 0;
}
/* Set the value[] of key into dict after convert from
host byte order to network byte order
*/
-int32_t dht_dict_set_array (dict_t *dict, char *key, int32_t value[],
- int32_t size)
+int32_t
+dht_dict_set_array(dict_t *dict, char *key, int32_t value[], int32_t size)
{
- int ret = -1;
- int32_t *ptr = NULL;
- int32_t vindex;
+ int ret = -1;
+ int32_t *ptr = NULL;
+ int32_t vindex;
- if (value == NULL) {
- return -EINVAL;
- }
+ if (value == NULL) {
+ return -EINVAL;
+ }
- ptr = GF_MALLOC(sizeof(int32_t) * size, gf_common_mt_char);
- if (ptr == NULL) {
- return -ENOMEM;
- }
- for (vindex = 0; vindex < size; vindex++) {
- ptr[vindex] = hton32(value[vindex]);
- }
- ret = dict_set_bin(dict, key, ptr, sizeof(int32_t) * size);
- if (ret)
- GF_FREE (ptr);
- return ret;
+ ptr = GF_MALLOC(sizeof(int32_t) * size, gf_common_mt_char);
+ if (ptr == NULL) {
+ return -ENOMEM;
+ }
+ for (vindex = 0; vindex < size; vindex++) {
+ ptr[vindex] = hton32(value[vindex]);
+ }
+ ret = dict_set_bin(dict, key, ptr, sizeof(int32_t) * size);
+ if (ret)
+ GF_FREE(ptr);
+ return ret;
}
-int
-dht_common_mds_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+static int
+dht_common_mds_xattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- call_frame_t *prev = cookie;
+ dht_local_t *local = NULL;
+ call_frame_t *prev = cookie;
- local = frame->local;
+ local = frame->local;
- if (op_ret)
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->this->name);
+ if (op_ret)
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->this->name);
- if (local->fop == GF_FOP_SETXATTR) {
- DHT_STACK_UNWIND (setxattr, frame, 0, op_errno, local->xdata);
- }
+ if (local->fop == GF_FOP_SETXATTR) {
+ DHT_STACK_UNWIND(setxattr, frame, 0, op_errno, local->xdata);
+ /* 'local' itself may not be valid after this */
+ goto out;
+ }
- if (local->fop == GF_FOP_FSETXATTR) {
- DHT_STACK_UNWIND (fsetxattr, frame, 0, op_errno, local->xdata);
- }
+ if (local->fop == GF_FOP_FSETXATTR) {
+ DHT_STACK_UNWIND(fsetxattr, frame, 0, op_errno, local->xdata);
+ /* 'local' itself may not be valid after this */
+ goto out;
+ }
- if (local->fop == GF_FOP_REMOVEXATTR) {
- DHT_STACK_UNWIND (removexattr, frame, 0, op_errno, NULL);
- }
+ if (local->fop == GF_FOP_REMOVEXATTR) {
+ DHT_STACK_UNWIND(removexattr, frame, 0, op_errno, NULL);
+ /* 'local' itself may not be valid after this */
+ goto out;
+ }
- if (local->fop == GF_FOP_FREMOVEXATTR) {
- DHT_STACK_UNWIND (fremovexattr, frame, 0, op_errno, NULL);
- }
+ if (local->fop == GF_FOP_FREMOVEXATTR) {
+ DHT_STACK_UNWIND(fremovexattr, frame, 0, op_errno, NULL);
+ }
- return 0;
+out:
+ return 0;
}
/* Code to wind a xattrop call to add 1 on current mds internal xattr
value
*/
-int
-dht_setxattr_non_mds_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- int ret = 0;
- dict_t *xattrop = NULL;
- int32_t addone[1] = {1};
- call_frame_t *prev = NULL;
- dht_conf_t *conf = NULL;
-
- local = frame->local;
- prev = cookie;
- conf = this->private;
-
- LOCK (&frame->lock);
- {
- if (op_ret && !local->op_ret) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->this->name);
- }
- }
- UNLOCK (&frame->lock);
- this_call_cnt = dht_frame_return (frame);
-
- if (is_last_call (this_call_cnt)) {
- if (!local->op_ret) {
- xattrop = dict_new ();
- if (!xattrop) {
- gf_msg (this->name, GF_LOG_ERROR,
- DHT_MSG_NO_MEMORY, 0,
- "dictionary creation failed");
- ret = -1;
- goto out;
- }
- ret = dht_dict_set_array (xattrop,
- conf->mds_xattr_key,
- addone, 1);
- if (ret != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "dictionary set array failed ");
- ret = -1;
- goto out;
- }
- if ((local->fop == GF_FOP_SETXATTR) ||
- (local->fop == GF_FOP_REMOVEXATTR)) {
- STACK_WIND (frame, dht_common_mds_xattrop_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->xattrop,
- &local->loc, GF_XATTROP_ADD_ARRAY,
- xattrop, NULL);
- } else {
- STACK_WIND (frame, dht_common_mds_xattrop_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->fxattrop,
- local->fd, GF_XATTROP_ADD_ARRAY,
- xattrop, NULL);
- }
- } else {
- if (local->fop == GF_FOP_SETXATTR) {
- DHT_STACK_UNWIND (setxattr, frame, 0, 0, local->xdata);
- }
-
- if (local->fop == GF_FOP_FSETXATTR) {
- DHT_STACK_UNWIND (fsetxattr, frame, 0, 0, local->xdata);
- }
-
- if (local->fop == GF_FOP_REMOVEXATTR) {
- DHT_STACK_UNWIND (removexattr, frame, 0, 0, NULL);
- }
-
- if (local->fop == GF_FOP_FREMOVEXATTR) {
- DHT_STACK_UNWIND (fremovexattr, frame, 0, 0, NULL);
- }
- }
- }
-out:
- if (xattrop)
- dict_unref (xattrop);
- if (ret) {
- if (local->fop == GF_FOP_SETXATTR) {
- DHT_STACK_UNWIND (setxattr, frame, 0, 0, local->xdata);
- }
-
- if (local->fop == GF_FOP_FSETXATTR) {
- DHT_STACK_UNWIND (fsetxattr, frame, 0, 0, local->xdata);
- }
-
- if (local->fop == GF_FOP_REMOVEXATTR) {
- DHT_STACK_UNWIND (removexattr, frame, 0, 0, NULL);
- }
-
- if (local->fop == GF_FOP_FREMOVEXATTR) {
- DHT_STACK_UNWIND (fremovexattr, frame, 0, 0, NULL);
- }
- }
- return 0;
-}
-
-
-int
-dht_setxattr_mds_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+static int
+dht_setxattr_non_mds_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- call_frame_t *prev = NULL;
- xlator_t *mds_subvol = NULL;
- int i = 0;
-
- local = frame->local;
- prev = cookie;
- conf = this->private;
- mds_subvol = local->mds_subvol;
-
- if (op_ret == -1) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->this->name);
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ int ret = 0;
+ dict_t *xattrop = NULL;
+ int32_t addone[1] = {1};
+ call_frame_t *prev = NULL;
+ dht_conf_t *conf = NULL;
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret && !local->op_ret) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->this->name);
+ goto post_unlock;
+ }
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ this_call_cnt = dht_frame_return(frame);
+
+ if (is_last_call(this_call_cnt)) {
+ if (!local->op_ret) {
+ xattrop = dict_new();
+ if (!xattrop) {
+ gf_msg(this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, 0,
+ "dictionary creation failed");
+ ret = -1;
goto out;
- }
-
- local->op_ret = 0;
- local->call_cnt = conf->subvolume_cnt - 1;
- local->xdata = dict_ref (xdata);
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (mds_subvol && (mds_subvol == conf->subvolumes[i]))
- continue;
- if (local->fop == GF_FOP_SETXATTR) {
- STACK_WIND (frame, dht_setxattr_non_mds_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->setxattr,
- &local->loc, local->xattr,
- local->flags, local->xattr_req);
- }
+ }
+ ret = dht_dict_set_array(xattrop, conf->mds_xattr_key, addone, 1);
+ if (ret != 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "dictionary set array failed ");
+ ret = -1;
+ goto out;
+ }
+ if ((local->fop == GF_FOP_SETXATTR) ||
+ (local->fop == GF_FOP_REMOVEXATTR)) {
+ STACK_WIND(frame, dht_common_mds_xattrop_cbk, local->mds_subvol,
+ local->mds_subvol->fops->xattrop, &local->loc,
+ GF_XATTROP_ADD_ARRAY, xattrop, NULL);
+ } else {
+ STACK_WIND(frame, dht_common_mds_xattrop_cbk, local->mds_subvol,
+ local->mds_subvol->fops->fxattrop, local->fd,
+ GF_XATTROP_ADD_ARRAY, xattrop, NULL);
+ }
+ } else {
+ if (local->fop == GF_FOP_SETXATTR) {
+ DHT_STACK_UNWIND(setxattr, frame, 0, 0, local->xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
- if (local->fop == GF_FOP_FSETXATTR) {
- STACK_WIND (frame, dht_setxattr_non_mds_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->fsetxattr,
- local->fd, local->xattr,
- local->flags, local->xattr_req);
- }
+ if (local->fop == GF_FOP_FSETXATTR) {
+ DHT_STACK_UNWIND(fsetxattr, frame, 0, 0, local->xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
- if (local->fop == GF_FOP_REMOVEXATTR) {
- STACK_WIND (frame, dht_setxattr_non_mds_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->removexattr,
- &local->loc, local->key,
- local->xattr_req);
- }
+ if (local->fop == GF_FOP_REMOVEXATTR) {
+ DHT_STACK_UNWIND(removexattr, frame, 0, 0, NULL);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
- if (local->fop == GF_FOP_FREMOVEXATTR) {
- STACK_WIND (frame, dht_setxattr_non_mds_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->fremovexattr,
- local->fd, local->key,
- local->xattr_req);
- }
+ if (local->fop == GF_FOP_FREMOVEXATTR) {
+ DHT_STACK_UNWIND(fremovexattr, frame, 0, 0, NULL);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
}
-
- return 0;
+ }
out:
+ if (ret) {
if (local->fop == GF_FOP_SETXATTR) {
- DHT_STACK_UNWIND (setxattr, frame, local->op_ret,
- local->op_errno, xdata);
+ DHT_STACK_UNWIND(setxattr, frame, 0, 0, local->xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
}
if (local->fop == GF_FOP_FSETXATTR) {
- DHT_STACK_UNWIND (fsetxattr, frame, local->op_ret,
- local->op_errno, xdata);
+ DHT_STACK_UNWIND(fsetxattr, frame, 0, 0, local->xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
}
if (local->fop == GF_FOP_REMOVEXATTR) {
- DHT_STACK_UNWIND (removexattr, frame, local->op_ret,
- local->op_errno, NULL);
+ DHT_STACK_UNWIND(removexattr, frame, 0, 0, NULL);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
}
if (local->fop == GF_FOP_FREMOVEXATTR) {
- DHT_STACK_UNWIND (fremovexattr, frame, local->op_ret,
- local->op_errno, NULL);
+ DHT_STACK_UNWIND(fremovexattr, frame, 0, 0, NULL);
}
-
- return 0;
+ }
+just_return:
+ if (xattrop)
+ dict_unref(xattrop);
+ return 0;
}
-int
-dht_xattrop_mds_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *dict, dict_t *xdata)
+static int
+dht_setxattr_mds_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- call_frame_t *prev = NULL;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ call_frame_t *prev = NULL;
+ xlator_t *mds_subvol = NULL;
+ int i = 0;
- local = frame->local;
- prev = cookie;
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+ mds_subvol = local->mds_subvol;
- if (op_ret == -1) {
- local->op_errno = op_errno;
- local->op_ret = op_ret;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->this->name);
- goto out;
- }
+ if (op_ret == -1) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->this->name);
+ goto out;
+ }
+
+ local->op_ret = 0;
+ local->call_cnt = conf->subvolume_cnt - 1;
+ local->xdata = dict_ref(xdata);
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (mds_subvol && (mds_subvol == conf->subvolumes[i]))
+ continue;
if (local->fop == GF_FOP_SETXATTR) {
- STACK_WIND (frame, dht_setxattr_mds_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->setxattr,
- &local->loc, local->xattr,
- local->flags, local->xattr_req);
+ STACK_WIND(frame, dht_setxattr_non_mds_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->setxattr, &local->loc,
+ local->xattr, local->flags, local->xattr_req);
}
if (local->fop == GF_FOP_FSETXATTR) {
- STACK_WIND (frame, dht_setxattr_mds_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->fsetxattr,
- local->fd, local->xattr,
- local->flags, local->xattr_req);
+ STACK_WIND(frame, dht_setxattr_non_mds_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->fsetxattr, local->fd,
+ local->xattr, local->flags, local->xattr_req);
}
if (local->fop == GF_FOP_REMOVEXATTR) {
- STACK_WIND (frame, dht_setxattr_mds_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->removexattr,
- &local->loc, local->key,
- local->xattr_req);
+ STACK_WIND(frame, dht_setxattr_non_mds_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->removexattr, &local->loc,
+ local->key, local->xattr_req);
}
if (local->fop == GF_FOP_FREMOVEXATTR) {
- STACK_WIND (frame, dht_setxattr_mds_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->fremovexattr,
- local->fd, local->key,
- local->xattr_req);
+ STACK_WIND(frame, dht_setxattr_non_mds_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->fremovexattr, local->fd,
+ local->key, local->xattr_req);
}
+ }
-
- return 0;
+ return 0;
out:
- if (local->fop == GF_FOP_SETXATTR) {
- DHT_STACK_UNWIND (setxattr, frame, local->op_ret,
- local->op_errno, xdata);
- }
-
- if (local->fop == GF_FOP_FSETXATTR) {
- DHT_STACK_UNWIND (fsetxattr, frame, local->op_ret,
- local->op_errno, xdata);
- }
+ if (local->fop == GF_FOP_SETXATTR) {
+ DHT_STACK_UNWIND(setxattr, frame, local->op_ret, local->op_errno,
+ xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
+
+ if (local->fop == GF_FOP_FSETXATTR) {
+ DHT_STACK_UNWIND(fsetxattr, frame, local->op_ret, local->op_errno,
+ xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
+
+ if (local->fop == GF_FOP_REMOVEXATTR) {
+ DHT_STACK_UNWIND(removexattr, frame, local->op_ret, local->op_errno,
+ NULL);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
+
+ if (local->fop == GF_FOP_FREMOVEXATTR) {
+ DHT_STACK_UNWIND(fremovexattr, frame, local->op_ret, local->op_errno,
+ NULL);
+ }
+
+just_return:
+ return 0;
+}
- if (local->fop == GF_FOP_REMOVEXATTR) {
- DHT_STACK_UNWIND (removexattr, frame, local->op_ret,
- local->op_errno, NULL);
- }
+static int
+dht_xattrop_mds_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *dict, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ call_frame_t *prev = NULL;
- if (local->fop == GF_FOP_FREMOVEXATTR) {
- DHT_STACK_UNWIND (fremovexattr, frame, local->op_ret,
- local->op_errno, NULL);
- }
+ local = frame->local;
+ prev = cookie;
- return 0;
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ local->op_ret = op_ret;
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->this->name);
+ goto out;
+ }
+
+ if (local->fop == GF_FOP_SETXATTR) {
+ STACK_WIND(frame, dht_setxattr_mds_cbk, local->mds_subvol,
+ local->mds_subvol->fops->setxattr, &local->loc, local->xattr,
+ local->flags, local->xattr_req);
+ }
+
+ if (local->fop == GF_FOP_FSETXATTR) {
+ STACK_WIND(frame, dht_setxattr_mds_cbk, local->mds_subvol,
+ local->mds_subvol->fops->fsetxattr, local->fd, local->xattr,
+ local->flags, local->xattr_req);
+ }
+
+ if (local->fop == GF_FOP_REMOVEXATTR) {
+ STACK_WIND(frame, dht_setxattr_mds_cbk, local->mds_subvol,
+ local->mds_subvol->fops->removexattr, &local->loc,
+ local->key, local->xattr_req);
+ }
+
+ if (local->fop == GF_FOP_FREMOVEXATTR) {
+ STACK_WIND(frame, dht_setxattr_mds_cbk, local->mds_subvol,
+ local->mds_subvol->fops->fremovexattr, local->fd, local->key,
+ local->xattr_req);
+ }
+
+ return 0;
+out:
+ if (local->fop == GF_FOP_SETXATTR) {
+ DHT_STACK_UNWIND(setxattr, frame, local->op_ret, local->op_errno,
+ xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
+
+ if (local->fop == GF_FOP_FSETXATTR) {
+ DHT_STACK_UNWIND(fsetxattr, frame, local->op_ret, local->op_errno,
+ xdata);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
+
+ if (local->fop == GF_FOP_REMOVEXATTR) {
+ DHT_STACK_UNWIND(removexattr, frame, local->op_ret, local->op_errno,
+ NULL);
+ /* 'local' itself may not be valid after this */
+ goto just_return;
+ }
+
+ if (local->fop == GF_FOP_FREMOVEXATTR) {
+ DHT_STACK_UNWIND(fremovexattr, frame, local->op_ret, local->op_errno,
+ NULL);
+ }
+
+just_return:
+ return 0;
}
static void
-fill_layout_info (dht_layout_t *layout, char *buf)
+fill_layout_info(dht_layout_t *layout, char *buf)
{
- int i = 0;
- char tmp_buf[128] = {0,};
+ int i = 0;
+ char tmp_buf[128] = {
+ 0,
+ };
- for (i = 0; i < layout->cnt; i++) {
- snprintf (tmp_buf, 128, "(%s %u %u)",
- layout->list[i].xlator->name,
- layout->list[i].start,
- layout->list[i].stop);
- if (i)
- strcat (buf, " ");
- strcat (buf, tmp_buf);
- }
+ for (i = 0; i < layout->cnt; i++) {
+ snprintf(tmp_buf, sizeof(tmp_buf), "(%s %u %u)",
+ layout->list[i].xlator->name, layout->list[i].start,
+ layout->list[i].stop);
+ if (i)
+ strcat(buf, " ");
+ strcat(buf, tmp_buf);
+ }
}
-void
-dht_fill_pathinfo_xattr (xlator_t *this, dht_local_t *local,
- char *xattr_buf, int32_t alloc_len,
- int flag, char *layout_buf)
-{
- if (flag && local->xattr_val)
- snprintf (xattr_buf, alloc_len,
- "((<"DHT_PATHINFO_HEADER"%s> %s) (%s-layout %s))",
- this->name, local->xattr_val, this->name,
- layout_buf);
- else if (local->xattr_val)
- snprintf (xattr_buf, alloc_len,
- "(<"DHT_PATHINFO_HEADER"%s> %s)",
- this->name, local->xattr_val);
- else if (flag)
- snprintf (xattr_buf, alloc_len, "(%s-layout %s)",
- this->name, layout_buf);
+static void
+dht_fill_pathinfo_xattr(xlator_t *this, dht_local_t *local, char *xattr_buf,
+ int32_t alloc_len, int flag, char *layout_buf)
+{
+ if (flag) {
+ if (local->xattr_val) {
+ snprintf(xattr_buf, alloc_len,
+ "((<" DHT_PATHINFO_HEADER "%s> %s) (%s-layout %s))",
+ this->name, local->xattr_val, this->name, layout_buf);
+ } else {
+ snprintf(xattr_buf, alloc_len, "(%s-layout %s)", this->name,
+ layout_buf);
+ }
+ } else if (local->xattr_val) {
+ snprintf(xattr_buf, alloc_len, "(<" DHT_PATHINFO_HEADER "%s> %s)",
+ this->name, local->xattr_val);
+ } else {
+ xattr_buf[0] = '\0';
+ }
}
-int
-dht_vgetxattr_alloc_and_fill (dht_local_t *local, dict_t *xattr, xlator_t *this,
- int op_errno)
+static int
+dht_vgetxattr_alloc_and_fill(dht_local_t *local, dict_t *xattr, xlator_t *this,
+ int op_errno)
{
- int ret = -1;
- char *value = NULL;
- int32_t plen = 0;
+ int ret = -1;
+ char *value = NULL;
- ret = dict_get_str (xattr, local->xsel, &value);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_GET_XATTR_FAILED,
- "Subvolume %s returned -1", this->name);
- local->op_ret = -1;
- local->op_errno = op_errno;
- goto out;
- }
+ ret = dict_get_str(xattr, local->xsel, &value);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, DHT_MSG_GET_XATTR_FAILED,
+ "Subvolume %s returned -1", this->name);
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ goto out;
+ }
- local->alloc_len += strlen(value);
+ local->alloc_len += strlen(value);
+ if (!local->xattr_val) {
+ local->alloc_len += (SLEN(DHT_PATHINFO_HEADER) + 10);
+ local->xattr_val = GF_MALLOC(local->alloc_len, gf_common_mt_char);
if (!local->xattr_val) {
- local->alloc_len += (strlen (DHT_PATHINFO_HEADER) + 10);
- local->xattr_val = GF_CALLOC (local->alloc_len, sizeof (char),
- gf_common_mt_char);
- if (!local->xattr_val) {
- ret = -1;
- goto out;
- }
+ ret = -1;
+ goto out;
}
+ local->xattr_val[0] = '\0';
+ }
- if (local->xattr_val) {
- plen = strlen (local->xattr_val);
- if (plen) {
- /* extra byte(s) for \0 to be safe */
- local->alloc_len += (plen + 2);
- local->xattr_val = GF_REALLOC (local->xattr_val,
- local->alloc_len);
- if (!local->xattr_val) {
- ret = -1;
- goto out;
- }
- }
-
- (void) strcat (local->xattr_val, value);
- (void) strcat (local->xattr_val, " ");
- local->op_ret = 0;
+ int plen = strlen(local->xattr_val);
+ if (plen) {
+ /* extra byte(s) for \0 to be safe */
+ local->alloc_len += (plen + 2);
+ local->xattr_val = GF_REALLOC(local->xattr_val, local->alloc_len);
+ if (!local->xattr_val) {
+ ret = -1;
+ goto out;
}
+ }
- ret = 0;
+ (void)strcat(local->xattr_val, value);
+ (void)strcat(local->xattr_val, " ");
+ local->op_ret = 0;
- out:
- return ret;
+ ret = 0;
+
+out:
+ return ret;
}
-int
-dht_vgetxattr_fill_and_set (dht_local_t *local, dict_t **dict, xlator_t *this,
- gf_boolean_t flag)
+static int
+dht_vgetxattr_fill_and_set(dht_local_t *local, dict_t **dict, xlator_t *this,
+ gf_boolean_t flag)
{
- int ret = -1;
- char *xattr_buf = NULL;
- char layout_buf[8192] = {0,};
+ int ret = -1;
+ char *xattr_buf = NULL;
+ char layout_buf[8192] = {
+ 0,
+ };
- if (flag)
- fill_layout_info (local->layout, layout_buf);
+ if (flag)
+ fill_layout_info(local->layout, layout_buf);
- *dict = dict_new ();
- if (!*dict)
- goto out;
-
- local->xattr_val[strlen (local->xattr_val) - 1] = '\0';
+ *dict = dict_new();
+ if (!*dict)
+ goto out;
- /* we would need max this many bytes to create xattr string
- * extra 40 bytes is just an estimated amount of additional
- * space required as we include translator name and some
- * spaces, brackets etc. when forming the pathinfo string.
- *
- * For node-uuid we just don't have all the pretty formatting,
- * but since this is a generic routine for pathinfo & node-uuid
- * we don't have conditional space allocation and try to be
- * generic
- */
- local->alloc_len += (2 * strlen (this->name))
- + strlen (layout_buf)
- + 40;
- xattr_buf = GF_CALLOC (local->alloc_len, sizeof (char),
- gf_common_mt_char);
- if (!xattr_buf)
- goto out;
+ local->xattr_val[strlen(local->xattr_val) - 1] = '\0';
+
+ /* we would need max this many bytes to create xattr string
+ * extra 40 bytes is just an estimated amount of additional
+ * space required as we include translator name and some
+ * spaces, brackets etc. when forming the pathinfo string.
+ *
+ * For node-uuid we just don't have all the pretty formatting,
+ * but since this is a generic routine for pathinfo & node-uuid
+ * we don't have conditional space allocation and try to be
+ * generic
+ */
+ local->alloc_len += (2 * strlen(this->name)) + strlen(layout_buf) + 40;
+ xattr_buf = GF_MALLOC(local->alloc_len, gf_common_mt_char);
+ if (!xattr_buf)
+ goto out;
- if (XATTR_IS_PATHINFO (local->xsel)) {
- (void) dht_fill_pathinfo_xattr (this, local, xattr_buf,
- local->alloc_len, flag,
- layout_buf);
- } else if ((XATTR_IS_NODE_UUID (local->xsel))
- || (XATTR_IS_NODE_UUID_LIST (local->xsel))) {
- (void) snprintf (xattr_buf, local->alloc_len, "%s",
- local->xattr_val);
- } else {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_GET_XATTR_FAILED,
- "Unknown local->xsel (%s)", local->xsel);
- GF_FREE (xattr_buf);
- goto out;
- }
+ if (XATTR_IS_PATHINFO(local->xsel)) {
+ (void)dht_fill_pathinfo_xattr(this, local, xattr_buf, local->alloc_len,
+ flag, layout_buf);
+ } else if ((XATTR_IS_NODE_UUID(local->xsel)) ||
+ (XATTR_IS_NODE_UUID_LIST(local->xsel))) {
+ (void)snprintf(xattr_buf, local->alloc_len, "%s", local->xattr_val);
+ } else {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_GET_XATTR_FAILED,
+ "Unknown local->xsel (%s)", local->xsel);
+ GF_FREE(xattr_buf);
+ goto out;
+ }
- ret = dict_set_dynstr (*dict, local->xsel, xattr_buf);
- if (ret)
- GF_FREE (xattr_buf);
- GF_FREE (local->xattr_val);
+ ret = dict_set_dynstr(*dict, local->xsel, xattr_buf);
+ if (ret)
+ GF_FREE(xattr_buf);
+ GF_FREE(local->xattr_val);
- out:
- return ret;
+out:
+ return ret;
}
+static int
+dht_find_local_subvol_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr,
+ dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ xlator_t *prev = NULL;
+ int this_call_cnt = 0;
+ int ret = 0;
+ char *uuid_str = NULL;
+ char *uuid_list = NULL;
+ char *next_uuid_str = NULL;
+ char *saveptr = NULL;
+ uuid_t node_uuid = {
+ 0,
+ };
+ char *uuid_list_copy = NULL;
+ int count = 0;
+ int i = 0;
+ int index = 0;
+ int found = 0;
+ nodeuuid_info_t *tmp_ptr = NULL;
+
+ VALIDATE_OR_GOTO(frame, out);
+ VALIDATE_OR_GOTO(frame->local, out);
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ VALIDATE_OR_GOTO(conf->defrag, out);
+
+ gf_msg_debug(this->name, 0, "subvol %s returned", prev->name);
+
+ LOCK(&frame->lock);
+ {
+ this_call_cnt = --local->call_cnt;
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ if (op_errno == ENODATA)
+ gf_msg_debug(this->name, 0, "failed to get node-uuid");
+ else
+ gf_msg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_GET_XATTR_FAILED, "failed to get node-uuid");
+ goto post_unlock;
+ }
-int
-dht_find_local_subvol_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr,
- dict_t *xdata)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- xlator_t *prev = NULL;
- int this_call_cnt = 0;
- int ret = 0;
- char *uuid_str = NULL;
- char *uuid_list = NULL;
- char *next_uuid_str = NULL;
- char *saveptr = NULL;
- uuid_t node_uuid = {0,};
- char *uuid_list_copy = NULL;
- int count = 0;
- int i = 0;
- int index = 0;
- int found = 0;
- nodeuuid_info_t *tmp_ptr = NULL;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (frame->local, out);
-
- local = frame->local;
- prev = cookie;
- conf = this->private;
-
- VALIDATE_OR_GOTO (conf->defrag, out);
-
- gf_msg_debug (this->name, 0, "subvol %s returned", prev->name);
-
- LOCK (&frame->lock);
- {
- this_call_cnt = --local->call_cnt;
- if (op_ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_GET_XATTR_FAILED,
- "getxattr err for dir");
- local->op_ret = -1;
- local->op_errno = op_errno;
- goto unlock;
- }
+ ret = dict_get_str(xattr, local->xsel, &uuid_list);
- ret = dict_get_str (xattr, local->xsel, &uuid_list);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_GET_FAILED,
+ "Failed to get %s", local->xsel);
+ local->op_ret = -1;
+ local->op_errno = EINVAL;
+ goto unlock;
+ }
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_GET_FAILED,
- "Failed to get %s", local->xsel);
- local->op_ret = -1;
- local->op_errno = EINVAL;
- goto unlock;
- }
+ /* As DHT will not know details of its child xlators
+ * we need to parse this twice to get the count first
+ * and allocate memory later.
+ */
+ count = 0;
+ index = conf->local_subvols_cnt;
- /* As DHT will not know details of its child xlators
- * we need to parse this twice to get the count first
- * and allocate memory later.
- */
- count = 0;
- index = conf->local_subvols_cnt;
-
- uuid_list_copy = gf_strdup (uuid_list);
-
- for (uuid_str = strtok_r (uuid_list, " ", &saveptr);
- uuid_str;
- uuid_str = next_uuid_str) {
-
- next_uuid_str = strtok_r (NULL, " ", &saveptr);
- if (gf_uuid_parse (uuid_str, node_uuid)) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_UUID_PARSE_ERROR,
- "Failed to parse uuid"
- " for %s", prev->name);
- local->op_ret = -1;
- local->op_errno = EINVAL;
- goto unlock;
- }
+ uuid_list_copy = gf_strdup(uuid_list);
+ if (!uuid_list_copy)
+ goto unlock;
- count++;
- if (gf_uuid_compare (node_uuid, conf->defrag->node_uuid)) {
- gf_msg_debug (this->name, 0, "subvol %s does not"
- "belong to this node",
- prev->name);
- } else {
-
- /* handle multiple bricks of the same replica
- * on the same node */
- if (found)
- continue;
- conf->local_subvols[(conf->local_subvols_cnt)++]
- = prev;
- found = 1;
- gf_msg_debug (this->name, 0, "subvol %s belongs to"
- " this node", prev->name);
- }
- }
+ for (uuid_str = strtok_r(uuid_list, " ", &saveptr); uuid_str;
+ uuid_str = next_uuid_str) {
+ next_uuid_str = strtok_r(NULL, " ", &saveptr);
+ if (gf_uuid_parse(uuid_str, node_uuid)) {
+ local->op_ret = -1;
+ local->op_errno = EINVAL;
+ UNLOCK(&frame->lock);
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_UUID_PARSE_ERROR,
+ "Failed to parse uuid for %s", prev->name);
+ goto post_unlock;
+ }
- if (!found) {
- local->op_ret = 0;
- goto unlock;
- }
+ count++;
+ if (gf_uuid_compare(node_uuid, conf->defrag->node_uuid)) {
+ gf_msg_debug(this->name, 0,
+ "subvol %s does not"
+ "belong to this node",
+ prev->name);
+ } else {
+ /* handle multiple bricks of the same replica
+ * on the same node */
+ if (found)
+ continue;
+ conf->local_subvols[(conf->local_subvols_cnt)++] = prev;
+ found = 1;
+ gf_msg_debug(this->name, 0,
+ "subvol %s belongs to"
+ " this node",
+ prev->name);
+ }
+ }
- conf->local_nodeuuids[index].count = count;
- conf->local_nodeuuids[index].elements
- = GF_CALLOC (count, sizeof (nodeuuid_info_t), 1);
+ if (!found) {
+ local->op_ret = 0;
+ goto unlock;
+ }
- /* The node-uuids are guaranteed to be returned in the same
- * order as the bricks
- * A null node-uuid is returned for a brick that is down.
- */
+ conf->local_nodeuuids[index].count = count;
+ conf->local_nodeuuids[index].elements = GF_CALLOC(
+ count, sizeof(nodeuuid_info_t), 1);
- saveptr = NULL;
- i = 0;
+ /* The node-uuids are guaranteed to be returned in the same
+ * order as the bricks
+ * A null node-uuid is returned for a brick that is down.
+ */
- for (uuid_str = strtok_r (uuid_list_copy, " ", &saveptr);
- uuid_str;
- uuid_str = next_uuid_str) {
+ saveptr = NULL;
+ i = 0;
- next_uuid_str = strtok_r (NULL, " ", &saveptr);
- tmp_ptr = &(conf->local_nodeuuids[index].elements[i]);
- gf_uuid_parse (uuid_str, tmp_ptr->uuid);
+ for (uuid_str = strtok_r(uuid_list_copy, " ", &saveptr); uuid_str;
+ uuid_str = next_uuid_str) {
+ next_uuid_str = strtok_r(NULL, " ", &saveptr);
+ tmp_ptr = &(conf->local_nodeuuids[index].elements[i]);
+ gf_uuid_parse(uuid_str, tmp_ptr->uuid);
- if (!gf_uuid_compare (tmp_ptr->uuid,
- conf->defrag->node_uuid)) {
- tmp_ptr->info = REBAL_NODEUUID_MINE;
- }
- i++;
- tmp_ptr = NULL;
- }
+ if (!gf_uuid_compare(tmp_ptr->uuid, conf->defrag->node_uuid)) {
+ tmp_ptr->info = REBAL_NODEUUID_MINE;
+ }
+ i++;
+ tmp_ptr = NULL;
}
+ }
- local->op_ret = 0;
- unlock:
- UNLOCK (&frame->lock);
-
- if (!is_last_call (this_call_cnt))
- goto out;
+ local->op_ret = 0;
+unlock:
+ UNLOCK(&frame->lock);
+post_unlock:
+ if (!is_last_call(this_call_cnt))
+ goto out;
- if (local->op_ret == -1) {
- goto unwind;
- }
+ if (local->op_ret == -1) {
+ goto unwind;
+ }
- DHT_STACK_UNWIND (getxattr, frame, 0, 0, xattr, xdata);
- goto out;
+ DHT_STACK_UNWIND(getxattr, frame, 0, 0, xattr, xdata);
+ goto out;
- unwind:
+unwind:
- GF_FREE (conf->local_nodeuuids[index].elements);
- conf->local_nodeuuids[index].elements = NULL;
+ GF_FREE(conf->local_nodeuuids[index].elements);
+ conf->local_nodeuuids[index].elements = NULL;
- DHT_STACK_UNWIND (getxattr, frame, -1, local->op_errno, NULL, xdata);
- out:
- GF_FREE (uuid_list_copy);
- return 0;
+ DHT_STACK_UNWIND(getxattr, frame, -1, local->op_errno, NULL, xdata);
+out:
+ GF_FREE(uuid_list_copy);
+ return 0;
}
-int
-dht_vgetxattr_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+static int
+dht_vgetxattr_dir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
{
- int ret = 0;
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- dict_t *dict = NULL;
+ int ret = 0;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ dict_t *dict = NULL;
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (frame->local, out);
+ VALIDATE_OR_GOTO(frame, out);
+ VALIDATE_OR_GOTO(frame->local, out);
- local = frame->local;
-
- LOCK (&frame->lock);
- {
- this_call_cnt = --local->call_cnt;
- if (op_ret < 0) {
- if (op_errno != ENOTCONN) {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_GET_XATTR_FAILED,
- "getxattr err for dir");
- local->op_ret = -1;
- local->op_errno = op_errno;
- }
+ local = frame->local;
- goto unlock;
- }
+ LOCK(&frame->lock);
+ {
+ this_call_cnt = --local->call_cnt;
+ if (op_ret < 0) {
+ if (op_errno != ENOTCONN) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_GET_XATTR_FAILED, "getxattr err for dir");
+ goto post_unlock;
+ }
- ret = dht_vgetxattr_alloc_and_fill (local, xattr, this,
- op_errno);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_DICT_SET_FAILED,
- "alloc or fill failure");
+ goto unlock;
}
- unlock:
- UNLOCK (&frame->lock);
- if (!is_last_call (this_call_cnt))
- goto out;
+ ret = dht_vgetxattr_alloc_and_fill(local, xattr, this, op_errno);
+ if (ret) {
+ UNLOCK(&frame->lock);
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, DHT_MSG_DICT_SET_FAILED,
+ "alloc or fill failure");
+ goto post_unlock;
+ }
+ }
+unlock:
+ UNLOCK(&frame->lock);
+post_unlock:
+ if (!is_last_call(this_call_cnt))
+ goto out;
- /* -- last call: do patch ups -- */
+ /* -- last call: do patch ups -- */
- if (local->op_ret == -1) {
- goto unwind;
- }
+ if (local->op_ret == -1) {
+ goto unwind;
+ }
- ret = dht_vgetxattr_fill_and_set (local, &dict, this, _gf_true);
- if (ret)
- goto unwind;
+ ret = dht_vgetxattr_fill_and_set(local, &dict, this, _gf_true);
+ if (ret)
+ goto unwind;
- DHT_STACK_UNWIND (getxattr, frame, 0, 0, dict, xdata);
- goto cleanup;
+ DHT_STACK_UNWIND(getxattr, frame, 0, 0, dict, xdata);
+ goto cleanup;
- unwind:
- DHT_STACK_UNWIND (getxattr, frame, -1, local->op_errno, NULL, NULL);
- cleanup:
- if (dict)
- dict_unref (dict);
- out:
- return 0;
+unwind:
+ DHT_STACK_UNWIND(getxattr, frame, -1, local->op_errno, NULL, NULL);
+cleanup:
+ if (dict)
+ dict_unref(dict);
+out:
+ return 0;
}
-int
-dht_vgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+static int
+dht_vgetxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xattr, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int ret = 0;
- dict_t *dict = NULL;
- xlator_t *prev = NULL;
- gf_boolean_t flag = _gf_true;
+ dht_local_t *local = NULL;
+ int ret = 0;
+ dict_t *dict = NULL;
+ xlator_t *prev = NULL;
+ gf_boolean_t flag = _gf_true;
- local = frame->local;
- prev = cookie;
+ local = frame->local;
+ prev = cookie;
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = op_errno;
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_GET_XATTR_FAILED,
- "vgetxattr: Subvolume %s returned -1",
- prev->name);
- goto unwind;
- }
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ gf_msg(this->name, GF_LOG_ERROR, op_errno, DHT_MSG_GET_XATTR_FAILED,
+ "vgetxattr: Subvolume %s returned -1", prev->name);
+ goto unwind;
+ }
- ret = dht_vgetxattr_alloc_and_fill (local, xattr, this,
- op_errno);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_NO_MEMORY,
- "Allocation or fill failure");
- goto unwind;
- }
+ ret = dht_vgetxattr_alloc_and_fill(local, xattr, this, op_errno);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_NO_MEMORY,
+ "Allocation or fill failure");
+ goto unwind;
+ }
- flag = (local->layout->cnt > 1) ? _gf_true : _gf_false;
+ flag = (local->layout->cnt > 1) ? _gf_true : _gf_false;
- ret = dht_vgetxattr_fill_and_set (local, &dict, this, flag);
- if (ret)
- goto unwind;
+ ret = dht_vgetxattr_fill_and_set(local, &dict, this, flag);
+ if (ret)
+ goto unwind;
- DHT_STACK_UNWIND (getxattr, frame, 0, 0, dict, xdata);
- goto cleanup;
+ DHT_STACK_UNWIND(getxattr, frame, 0, 0, dict, xdata);
+ goto cleanup;
- unwind:
- DHT_STACK_UNWIND (getxattr, frame, -1, local->op_errno,
- NULL, NULL);
- cleanup:
- if (dict)
- dict_unref (dict);
+unwind:
+ DHT_STACK_UNWIND(getxattr, frame, -1, local->op_errno, NULL, NULL);
+cleanup:
+ if (dict)
+ dict_unref(dict);
- return 0;
+ return 0;
}
-int
-dht_linkinfo_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr,
- dict_t *xdata)
+static int
+dht_linkinfo_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr,
+ dict_t *xdata)
{
- int ret = 0;
- char *value = NULL;
+ int ret = 0;
+ char *value = NULL;
- if (op_ret != -1) {
- ret = dict_get_str (xattr, GF_XATTR_PATHINFO_KEY, &value);
- if (!ret) {
- ret = dict_set_str (xattr, GF_XATTR_LINKINFO_KEY, value);
- if (!ret)
- gf_msg_trace (this->name, 0,
- "failed to set linkinfo");
- }
+ if (op_ret != -1) {
+ ret = dict_get_str(xattr, GF_XATTR_PATHINFO_KEY, &value);
+ if (!ret) {
+ ret = dict_set_str(xattr, GF_XATTR_LINKINFO_KEY, value);
+ if (!ret)
+ gf_msg_trace(this->name, 0, "failed to set linkinfo");
}
+ }
- DHT_STACK_UNWIND (getxattr, frame, op_ret, op_errno, xattr, xdata);
+ DHT_STACK_UNWIND(getxattr, frame, op_ret, op_errno, xattr, xdata);
- return 0;
+ return 0;
}
-
-int
-dht_mds_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+static int
+dht_mds_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (frame->local, out);
- VALIDATE_OR_GOTO (this->private, out);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(frame->local, err);
+ VALIDATE_OR_GOTO(this->private, err);
- conf = this->private;
- local = frame->local;
+ conf = this->private;
+ local = frame->local;
- if (!xattr || (op_ret == -1)) {
- local->op_ret = op_ret;
- goto out;
- }
- if (dict_get (xattr, conf->xattr_name)) {
- dict_del (xattr, conf->xattr_name);
- }
- local->op_ret = 0;
+ if (!xattr || (op_ret == -1)) {
+ local->op_ret = op_ret;
+ goto out;
+ }
+ dict_del(xattr, conf->xattr_name);
+ local->op_ret = 0;
- if (!local->xattr) {
- local->xattr = dict_copy_with_ref (xattr, NULL);
- }
+ if (!local->xattr) {
+ local->xattr = dict_copy_with_ref(xattr, NULL);
+ }
out:
- DHT_STACK_UNWIND (getxattr, frame, local->op_ret, op_errno,
- local->xattr, xdata);
- return 0;
+ DHT_STACK_UNWIND(getxattr, frame, local->op_ret, op_errno, local->xattr,
+ xdata);
+ return 0;
+err:
+ DHT_STACK_UNWIND(getxattr, frame, -1, EINVAL, NULL, NULL);
+ return 0;
}
-
int
-dht_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+dht_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xattr, dict_t *xdata)
{
- int this_call_cnt = 0;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
+ int this_call_cnt = 0;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = 0;
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (frame->local, out);
- VALIDATE_OR_GOTO (this->private, out);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(frame->local, err);
+ VALIDATE_OR_GOTO(this->private, err);
- conf = this->private;
- local = frame->local;
-
- LOCK (&frame->lock);
- {
- if (!xattr || (op_ret == -1)) {
- local->op_ret = op_ret;
- goto unlock;
- }
+ conf = this->private;
+ local = frame->local;
- if (dict_get (xattr, conf->xattr_name)) {
- dict_del (xattr, conf->xattr_name);
- }
-
- if (dict_get (xattr, conf->mds_xattr_key)) {
- dict_del (xattr, conf->mds_xattr_key);
- }
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto err;
+ return 0;
+ }
- /* filter out following two xattrs that need not
- * be visible on the mount point for geo-rep -
- * trusted.tier.fix.layout.complete and
- * trusted.tier.tier-dht.commithash
- */
+ LOCK(&frame->lock);
+ {
+ if (!xattr || (op_ret == -1)) {
+ local->op_ret = op_ret;
+ goto unlock;
+ }
- if (dict_get (xattr, conf->commithash_xattr_name)) {
- dict_del (xattr, conf->commithash_xattr_name);
- }
+ dict_del(xattr, conf->xattr_name);
+ dict_del(xattr, conf->mds_xattr_key);
- if (frame->root->pid >= 0 && dht_is_tier_xlator (this)) {
- dict_del(xattr, GF_XATTR_TIER_LAYOUT_FIXED_KEY);
- }
+ dict_del(xattr, conf->commithash_xattr_name);
- if (frame->root->pid >= 0) {
- GF_REMOVE_INTERNAL_XATTR
- ("trusted.glusterfs.quota*", xattr);
- GF_REMOVE_INTERNAL_XATTR("trusted.pgfid*", xattr);
- }
+ if (frame->root->pid >= 0) {
+ GF_REMOVE_INTERNAL_XATTR("trusted.glusterfs.quota*", xattr);
+ GF_REMOVE_INTERNAL_XATTR("trusted.pgfid*", xattr);
+ }
- local->op_ret = 0;
+ local->op_ret = 0;
- if (!local->xattr) {
- local->xattr = dict_copy_with_ref (xattr, NULL);
- } else {
- dht_aggregate_xattr (local->xattr, xattr);
- }
+ if (!local->xattr) {
+ local->xattr = dict_copy_with_ref(xattr, NULL);
+ } else {
+ dht_aggregate_xattr(local->xattr, xattr);
+ }
+ if (!local->xdata) {
+ local->xdata = dict_ref(xdata);
+ } else if ((local->inode && IA_ISDIR(local->inode->ia_type)) ||
+ (local->fd && IA_ISDIR(local->fd->inode->ia_type))) {
+ dht_aggregate_xattr(local->xdata, xdata);
}
+ }
unlock:
- UNLOCK (&frame->lock);
+ UNLOCK(&frame->lock);
- this_call_cnt = dht_frame_return (frame);
-out:
- if (is_last_call (this_call_cnt)) {
-
- /* If we have a valid xattr received from any one of the
- * subvolume, let's return it */
- if (local->xattr) {
- local->op_ret = 0;
- }
-
- DHT_STACK_UNWIND (getxattr, frame, local->op_ret, op_errno,
- local->xattr, NULL);
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ /* If we have a valid xattr received from any one of the
+ * subvolume, let's return it */
+ if (local->xattr) {
+ local->op_ret = 0;
}
- return 0;
+
+ DHT_STACK_UNWIND(getxattr, frame, local->op_ret, op_errno, local->xattr,
+ local->xdata);
+ }
+ return 0;
+err:
+ DHT_STACK_UNWIND(getxattr, frame, -1, EINVAL, NULL, NULL);
+ return 0;
}
-int32_t
-dht_getxattr_unwind (call_frame_t *frame,
- int op_ret, int op_errno, dict_t *dict, dict_t *xdata)
+static int32_t
+dht_getxattr_unwind(call_frame_t *frame, int op_ret, int op_errno, dict_t *dict,
+ dict_t *xdata)
{
- DHT_STACK_UNWIND (getxattr, frame, op_ret, op_errno, dict, xdata);
- return 0;
+ DHT_STACK_UNWIND(getxattr, frame, op_ret, op_errno, dict, xdata);
+ return 0;
}
-
-int
-dht_getxattr_get_real_filename_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- dict_t *xattr, dict_t *xdata)
+static int
+dht_getxattr_get_real_filename_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret, int op_errno,
+ dict_t *xattr, dict_t *xdata)
{
- int this_call_cnt = 0;
- dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ dht_local_t *local = NULL;
+ local = frame->local;
- local = frame->local;
-
- LOCK (&frame->lock);
- {
- if (local->op_errno == ENODATA ||
- local->op_errno == EOPNOTSUPP) {
- /* Nothing to do here, we have already found
- * a subvol which does not have the get_real_filename
- * optimization. If condition is for simple logic.
- */
- goto unlock;
- }
-
- if (op_ret == -1) {
-
- if (op_errno == ENODATA || op_errno == EOPNOTSUPP) {
- /* This subvol does not have the optimization.
- * Better let the user know we don't support it.
- * Remove previous results if any.
- */
-
- if (local->xattr) {
- dict_unref (local->xattr);
- local->xattr = NULL;
- }
-
- if (local->xattr_req) {
- dict_unref (local->xattr_req);
- local->xattr_req = NULL;
- }
-
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_UPGRADE_BRICKS, "At least "
- "one of the bricks does not support "
- "this operation. Please upgrade all "
- "bricks.");
- goto unlock;
- }
-
- if (op_errno == ENOENT) {
- /* Do nothing, our defaults are set to this.
- */
- goto unlock;
- }
+ LOCK(&frame->lock);
+ {
+ if (local->op_errno == EOPNOTSUPP) {
+ /* Nothing to do here, we have already found
+ * a subvol which does not have the get_real_filename
+ * optimization. If condition is for simple logic.
+ */
+ goto unlock;
+ }
- /* This is a place holder for every other error
- * case. I am not sure of how to interpret
- * ENOTCONN etc. As of now, choosing to ignore
- * down subvol and return a good result(if any)
- * from other subvol.
- */
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_GET_XATTR_FAILED,
- "Failed to get real filename.");
- goto unlock;
+ if (op_ret == -1) {
+ if (op_errno == EOPNOTSUPP) {
+ /* This subvol does not have the optimization.
+ * Better let the user know we don't support it.
+ * Remove previous results if any.
+ */
+ if (local->xattr) {
+ dict_unref(local->xattr);
+ local->xattr = NULL;
}
-
- /* This subvol has the required file.
- * There could be other subvols which have returned
- * success already, choosing to return the latest good
- * result.
- */
- if (local->xattr)
- dict_unref (local->xattr);
- local->xattr = dict_ref (xattr);
-
if (local->xattr_req) {
- dict_unref (local->xattr_req);
- local->xattr_req = NULL;
+ dict_unref(local->xattr_req);
+ local->xattr_req = NULL;
}
- if (xdata)
- local->xattr_req = dict_ref (xdata);
local->op_ret = op_ret;
- local->op_errno = 0;
- gf_msg_debug (this->name, 0, "Found a matching "
- "file.");
- }
-unlock:
- UNLOCK (&frame->lock);
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg(this->name, GF_LOG_WARNING, op_errno,
+ DHT_MSG_UPGRADE_BRICKS,
+ "At least "
+ "one of the bricks does not support "
+ "this operation. Please upgrade all "
+ "bricks.");
+ goto post_unlock;
+ }
+ if (op_errno == ENOATTR) {
+ /* Do nothing, our defaults are set to this.
+ */
+ goto unlock;
+ }
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- DHT_STACK_UNWIND (getxattr, frame, local->op_ret,
- local->op_errno, local->xattr,
- local->xattr_req);
+ /* This is a place holder for every other error
+ * case. I am not sure of how to interpret
+ * ENOTCONN etc. As of now, choosing to ignore
+ * down subvol and return a good result(if any)
+ * from other subvol.
+ */
+ UNLOCK(&frame->lock);
+ gf_msg(this->name, GF_LOG_WARNING, op_errno,
+ DHT_MSG_GET_XATTR_FAILED, "Failed to get real filename.");
+ goto post_unlock;
+ }
+
+ /* This subvol has the required file.
+ * There could be other subvols which have returned
+ * success already, choosing to return the latest good
+ * result.
+ */
+ if (local->xattr)
+ dict_unref(local->xattr);
+ local->xattr = dict_ref(xattr);
+
+ if (local->xattr_req) {
+ dict_unref(local->xattr_req);
+ local->xattr_req = NULL;
}
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
- return 0;
-}
+ local->op_ret = op_ret;
+ local->op_errno = 0;
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, 0, "Found a matching file.");
+ goto post_unlock;
+ }
+unlock:
+ UNLOCK(&frame->lock);
+post_unlock:
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ DHT_STACK_UNWIND(getxattr, frame, local->op_ret, local->op_errno,
+ local->xattr, local->xattr_req);
+ }
+ return 0;
+}
-int
-dht_getxattr_get_real_filename (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *key, dict_t *xdata)
+static int
+dht_getxattr_get_real_filename(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *key, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int i = 0;
- dht_layout_t *layout = NULL;
- int cnt = 0;
- xlator_t *subvol = NULL;
+ dht_local_t *local = NULL;
+ int i = 0;
+ dht_layout_t *layout = NULL;
+ int cnt = 0;
+ xlator_t *subvol = NULL;
+ local = frame->local;
+ layout = local->layout;
- local = frame->local;
- layout = local->layout;
-
- cnt = local->call_cnt = layout->cnt;
+ cnt = local->call_cnt = layout->cnt;
- local->op_ret = -1;
- local->op_errno = ENOENT;
+ local->op_ret = -1;
+ local->op_errno = ENOATTR;
- for (i = 0; i < cnt; i++) {
- subvol = layout->list[i].xlator;
- STACK_WIND (frame, dht_getxattr_get_real_filename_cbk,
- subvol, subvol->fops->getxattr,
- loc, key, xdata);
- }
+ for (i = 0; i < cnt; i++) {
+ subvol = layout->list[i].xlator;
+ STACK_WIND(frame, dht_getxattr_get_real_filename_cbk, subvol,
+ subvol->fops->getxattr, loc, key, xdata);
+ }
- return 0;
+ return 0;
}
-int
-dht_marker_populate_args (call_frame_t *frame, int type, int *gauge,
- xlator_t **subvols)
+static int
+dht_marker_populate_args(call_frame_t *frame, int type, int *gauge,
+ xlator_t **subvols)
{
- dht_local_t *local = NULL;
- int i = 0;
- dht_layout_t *layout = NULL;
+ dht_local_t *local = NULL;
+ int i = 0;
+ dht_layout_t *layout = NULL;
- local = frame->local;
- layout = local->layout;
+ local = frame->local;
+ layout = local->layout;
- for (i = 0; i < layout->cnt; i++)
- subvols[i] = layout->list[i].xlator;
+ for (i = 0; i < layout->cnt; i++)
+ subvols[i] = layout->list[i].xlator;
- return layout->cnt;
+ return layout->cnt;
}
+static int
+dht_is_debug_xattr_key(const char **array, char *key)
+{
+ int i = 0;
+
+ for (i = 0; array[i]; i++) {
+ if (fnmatch(array[i], key, FNM_NOESCAPE) == 0)
+ return i;
+ }
+
+ return -1;
+}
/* Note we already have frame->local initialised here*/
-int
-dht_handle_debug_getxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *key)
+static int
+dht_handle_debug_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *key)
{
- dht_local_t *local = NULL;
- int ret = -1;
- int op_errno = ENODATA;
- ia_type_t type = 0;
- char *value = NULL;
+ dht_local_t *local = NULL;
+ int ret = -1;
+ int op_errno = ENODATA;
+ char *value = NULL;
+ loc_t file_loc = {0};
+ const char *name = NULL;
- local = frame->local;
- if (!key) {
- op_errno = EINVAL;
- goto out;
- }
+ local = frame->local;
- if (gf_get_index_by_elem (dht_dbg_vxattrs, (char *)key) == -1) {
- goto out;
- }
-
- /* getxattr does not set the parent inode*/
- if (!loc->parent) {
- loc->parent =
- inode_parent(local->loc.inode, NULL, NULL);
- }
- if (!loc->parent) {
- op_errno = EINVAL;
- goto out;
- }
+ if (dht_is_debug_xattr_key(dht_dbg_vxattrs, (char *)key) == -1) {
+ goto out;
+ }
- gf_uuid_copy (loc->pargfid, loc->parent->gfid);
+ local->xattr = dict_new();
+ if (!local->xattr) {
+ op_errno = ENOMEM;
+ goto out;
+ }
- if (!loc->name && loc->path) {
- loc->name = strrchr (loc->path, '/');
- if (loc->name) {
- ++(loc->name);
- }
+ if (strncmp(key, DHT_DBG_HASHED_SUBVOL_KEY,
+ SLEN(DHT_DBG_HASHED_SUBVOL_KEY)) == 0) {
+ name = key + strlen(DHT_DBG_HASHED_SUBVOL_KEY);
+ if (strlen(name) == 0) {
+ op_errno = EINVAL;
+ goto out;
}
- local->xattr = dict_new ();
- if (!local->xattr) {
- op_errno = ENOMEM;
- goto out;
+ ret = dht_build_child_loc(this, &file_loc, loc, (char *)name);
+ if (ret) {
+ op_errno = ENOMEM;
+ goto out;
}
- type = loc->inode->ia_type;
-
- if (strcmp (key, DHT_DBG_HASHED_SUBVOL_KEY) == 0) {
- if (IA_ISDIR (type)) {
- op_errno = EINVAL;
- goto out;
- }
-
- local->hashed_subvol = dht_subvol_get_hashed (this, loc);
- if (local->hashed_subvol == NULL) {
- op_errno = ENODATA;
- goto out;
- }
+ local->hashed_subvol = dht_subvol_get_hashed(this, &file_loc);
+ if (local->hashed_subvol == NULL) {
+ op_errno = ENODATA;
+ goto out;
+ }
- value = gf_strdup (local->hashed_subvol->name);
- if (!value) {
- op_errno = ENOMEM;
- goto out;
- }
+ value = gf_strdup(local->hashed_subvol->name);
+ if (!value) {
+ op_errno = ENOMEM;
+ goto out;
+ }
- ret = dict_set_dynstr (local->xattr, (char *)key, value);
- if (ret < 0) {
- op_errno = -ret;
- ret = -1;
- goto out;
- }
- ret = 0;
- goto out;
+ ret = dict_set_dynstr(local->xattr, (char *)key, value);
+ if (ret < 0) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
}
+ ret = 0;
+ goto out;
+ }
out:
- DHT_STACK_UNWIND (getxattr, frame, ret, op_errno, local->xattr, NULL);
- return 0;
+ loc_wipe(&file_loc);
+ DHT_STACK_UNWIND(getxattr, frame, ret, op_errno, local->xattr, NULL);
+ return 0;
}
+/* Virtual Xattr which returns 1 if all subvols are up,
+ else returns 0. Geo-rep then uses this virtual xattr
+ after a fresh mount and starts the I/O.
+*/
+
+enum dht_vxattr_subvol {
+ DHT_VXATTR_SUBVOLS_UP = 1,
+ DHT_VXATTR_SUBVOLS_DOWN = 0,
+};
int
-dht_getxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *key, dict_t *xdata)
-#define DHT_IS_DIR(layout) (layout->cnt > 1)
-{
-
- xlator_t *subvol = NULL;
- xlator_t *hashed_subvol = NULL;
- xlator_t *mds_subvol = NULL;
- xlator_t *cached_subvol = NULL;
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- int op_errno = -1;
- int i = 0;
- int cnt = 0;
- char *node_uuid_key = NULL;
- int ret = -1;
-
- GF_CHECK_XATTR_KEY_AND_GOTO (key, IO_THREADS_QUEUE_SIZE_KEY,
- op_errno, err);
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_GETXATTR);
- if (!local) {
- op_errno = ENOMEM;
+dht_vgetxattr_subvol_status(call_frame_t *frame, xlator_t *this,
+ const char *key)
+{
+ dht_local_t *local = NULL;
+ int ret = -1;
+ int op_errno = ENODATA;
+ int value = DHT_VXATTR_SUBVOLS_UP;
+ int i = 0;
+ dht_conf_t *conf = NULL;
- goto err;
- }
+ conf = this->private;
+ local = frame->local;
- layout = local->layout;
- if (!layout) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_LAYOUT_NULL,
- "Layout is NULL");
- op_errno = ENOENT;
- goto err;
- }
+ if (!key) {
+ op_errno = EINVAL;
+ goto out;
+ }
+ local->xattr = dict_new();
+ if (!local->xattr) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (!conf->subvolume_status[i]) {
+ value = DHT_VXATTR_SUBVOLS_DOWN;
+ gf_msg_debug(this->name, 0, "subvol %s is down ",
+ conf->subvolumes[i]->name);
+ break;
+ }
+ }
+ ret = dict_set_int8(local->xattr, (char *)key, value);
+ if (ret < 0) {
+ op_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
- if (key) {
- local->key = gf_strdup (key);
- if (!local->key) {
- op_errno = ENOMEM;
- goto err;
- }
- }
+out:
+ DHT_STACK_UNWIND(getxattr, frame, ret, op_errno, local->xattr, NULL);
+ return 0;
+}
- if (key &&
- (strncmp (key, conf->mds_xattr_key, strlen(key)) == 0)) {
- op_errno = ENOTSUP;
- goto err;
+int
+dht_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, const char *key,
+ dict_t *xdata)
+#define DHT_IS_DIR(layout) (layout->cnt > 1)
+{
+ xlator_t *subvol = NULL;
+ xlator_t *hashed_subvol = NULL;
+ xlator_t *mds_subvol = NULL;
+ xlator_t *cached_subvol = NULL;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int op_errno = -1;
+ int i = 0;
+ int cnt = 0;
+ char *node_uuid_key = NULL;
+ int ret = -1;
+
+ GF_CHECK_XATTR_KEY_AND_GOTO(key, IO_THREADS_QUEUE_SIZE_KEY, op_errno, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_GETXATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_LAYOUT_NULL,
+ "Layout is NULL");
+ op_errno = ENOENT;
+ goto err;
+ }
+
+ /* skip over code which is irrelevant without a valid key */
+ if (!key)
+ goto no_key;
+
+ local->key = gf_strdup(key);
+ if (!local->key) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ if (strncmp(key, conf->mds_xattr_key, strlen(key)) == 0) {
+ op_errno = ENOTSUP;
+ goto err;
+ }
+
+ if (strncmp(key, DHT_SUBVOL_STATUS_KEY, SLEN(DHT_SUBVOL_STATUS_KEY)) == 0) {
+ dht_vgetxattr_subvol_status(frame, this, key);
+ return 0;
+ }
+
+ /* skip over code which is irrelevant if !DHT_IS_DIR(layout) */
+ if (!DHT_IS_DIR(layout))
+ goto no_dht_is_dir;
+
+ if ((strncmp(key, GF_XATTR_GET_REAL_FILENAME_KEY,
+ SLEN(GF_XATTR_GET_REAL_FILENAME_KEY)) == 0) &&
+ DHT_IS_DIR(layout)) {
+ dht_getxattr_get_real_filename(frame, this, loc, key, xdata);
+ return 0;
+ }
+
+ if (!strcmp(key, GF_REBAL_FIND_LOCAL_SUBVOL)) {
+ ret = gf_asprintf(&node_uuid_key, "%s", GF_XATTR_LIST_NODE_UUIDS_KEY);
+ if (ret == -1 || !node_uuid_key) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_NO_MEMORY,
+ "Failed to copy node uuid key");
+ op_errno = ENOMEM;
+ goto err;
+ }
+ (void)snprintf(local->xsel, sizeof(local->xsel), "%s", node_uuid_key);
+ cnt = local->call_cnt = conf->subvolume_cnt;
+ for (i = 0; i < cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_find_local_subvol_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->getxattr, loc,
+ node_uuid_key, xdata);
}
+ if (node_uuid_key)
+ GF_FREE(node_uuid_key);
+ return 0;
+ }
- if (key &&
- (strncmp (key, GF_XATTR_GET_REAL_FILENAME_KEY,
- strlen (GF_XATTR_GET_REAL_FILENAME_KEY)) == 0)
- && DHT_IS_DIR(layout)) {
- dht_getxattr_get_real_filename (frame, this, loc, key, xdata);
- return 0;
+ if (!strcmp(key, GF_REBAL_OLD_FIND_LOCAL_SUBVOL)) {
+ ret = gf_asprintf(&node_uuid_key, "%s", GF_XATTR_NODE_UUID_KEY);
+ if (ret == -1 || !node_uuid_key) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_NO_MEMORY,
+ "Failed to copy node uuid key");
+ op_errno = ENOMEM;
+ goto err;
}
-
- if (key && DHT_IS_DIR(layout) &&
- (!strcmp (key, GF_REBAL_FIND_LOCAL_SUBVOL))) {
- ret = gf_asprintf
- (&node_uuid_key, "%s", GF_XATTR_LIST_NODE_UUIDS_KEY);
- if (ret == -1 || !node_uuid_key) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_NO_MEMORY,
- "Failed to copy key");
- op_errno = ENOMEM;
- goto err;
- }
- (void) strncpy (local->xsel, node_uuid_key, 256);
- cnt = local->call_cnt = conf->subvolume_cnt;
- for (i = 0; i < cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_find_local_subvol_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->getxattr,
- loc, node_uuid_key, xdata);
- }
- if (node_uuid_key)
- GF_FREE (node_uuid_key);
- return 0;
+ (void)snprintf(local->xsel, sizeof(local->xsel), "%s", node_uuid_key);
+ cnt = local->call_cnt = conf->subvolume_cnt;
+ for (i = 0; i < cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_find_local_subvol_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->getxattr, loc,
+ node_uuid_key, xdata);
+ }
+ if (node_uuid_key)
+ GF_FREE(node_uuid_key);
+ return 0;
+ }
+
+ /* for file use cached subvolume (obviously!): see if {}
+ * below
+ * for directory:
+ * wind to all subvolumes and exclude subvolumes which
+ * return ENOTCONN (in callback)
+ *
+ * NOTE: Don't trust inode here, as that may not be valid
+ * (until inode_link() happens)
+ */
+
+ if (XATTR_IS_PATHINFO(key) || (strcmp(key, GF_XATTR_NODE_UUID_KEY) == 0) ||
+ (strcmp(key, GF_XATTR_LIST_NODE_UUIDS_KEY) == 0)) {
+ (void)snprintf(local->xsel, sizeof(local->xsel), "%s", key);
+ cnt = local->call_cnt = layout->cnt;
+ for (i = 0; i < cnt; i++) {
+ subvol = layout->list[i].xlator;
+ STACK_WIND(frame, dht_vgetxattr_dir_cbk, subvol,
+ subvol->fops->getxattr, loc, key, xdata);
}
+ return 0;
+ }
- if (key && DHT_IS_DIR(layout) &&
- (!strcmp (key, GF_REBAL_OLD_FIND_LOCAL_SUBVOL))) {
- ret = gf_asprintf
- (&node_uuid_key, "%s", GF_XATTR_NODE_UUID_KEY);
- if (ret == -1 || !node_uuid_key) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_NO_MEMORY,
- "Failed to copy key");
- op_errno = ENOMEM;
- goto err;
- }
- (void) strncpy (local->xsel, node_uuid_key, 256);
- cnt = local->call_cnt = conf->subvolume_cnt;
- for (i = 0; i < cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_find_local_subvol_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->getxattr,
- loc, node_uuid_key, xdata);
- }
- if (node_uuid_key)
- GF_FREE (node_uuid_key);
- return 0;
- }
+no_dht_is_dir:
+ /* node-uuid or pathinfo for files */
+ if (XATTR_IS_PATHINFO(key) || (strcmp(key, GF_XATTR_NODE_UUID_KEY) == 0)) {
+ cached_subvol = local->cached_subvol;
+ (void)snprintf(local->xsel, sizeof(local->xsel), "%s", key);
+ local->call_cnt = 1;
+ STACK_WIND_COOKIE(frame, dht_vgetxattr_cbk, cached_subvol,
+ cached_subvol, cached_subvol->fops->getxattr, loc,
+ key, xdata);
- /* for file use cached subvolume (obviously!): see if {}
- * below
- * for directory:
- * wind to all subvolumes and exclude subvolumes which
- * return ENOTCONN (in callback)
- *
- * NOTE: Don't trust inode here, as that may not be valid
- * (until inode_link() happens)
- */
+ return 0;
+ }
- if (key && DHT_IS_DIR(layout) &&
- (XATTR_IS_PATHINFO (key)
- || (strcmp (key, GF_XATTR_NODE_UUID_KEY) == 0)
- || (strcmp (key, GF_XATTR_LIST_NODE_UUIDS_KEY) == 0))) {
- (void) strncpy (local->xsel, key, 256);
- cnt = local->call_cnt = layout->cnt;
- for (i = 0; i < cnt; i++) {
- subvol = layout->list[i].xlator;
- STACK_WIND (frame, dht_vgetxattr_dir_cbk,
- subvol, subvol->fops->getxattr,
- loc, key, xdata);
- }
- return 0;
+ if (strcmp(key, GF_XATTR_LINKINFO_KEY) == 0) {
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+ if (!hashed_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Failed to get hashed subvol for %s", loc->path);
+ op_errno = EINVAL;
+ goto err;
}
- /* node-uuid or pathinfo for files */
- if (key && ((strcmp (key, GF_XATTR_NODE_UUID_KEY) == 0)
- || XATTR_IS_PATHINFO (key))) {
- cached_subvol = local->cached_subvol;
- (void) strncpy (local->xsel, key, 256);
-
- local->call_cnt = 1;
- STACK_WIND_COOKIE (frame, dht_vgetxattr_cbk, cached_subvol,
- cached_subvol, cached_subvol->fops->getxattr,
- loc, key, xdata);
+ cached_subvol = dht_subvol_get_cached(this, loc->inode);
+ if (!cached_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_CACHED_SUBVOL_GET_FAILED,
+ "Failed to get cached subvol for %s", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
- return 0;
+ if (hashed_subvol == cached_subvol) {
+ op_errno = ENODATA;
+ goto err;
}
- if (key && (strcmp (key, GF_XATTR_LINKINFO_KEY) == 0)) {
+ STACK_WIND(frame, dht_linkinfo_getxattr_cbk, hashed_subvol,
+ hashed_subvol->fops->getxattr, loc, GF_XATTR_PATHINFO_KEY,
+ xdata);
+ return 0;
+ }
- hashed_subvol = dht_subvol_get_hashed (this, loc);
- if (!hashed_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get hashed subvol for %s",
- loc->path);
- op_errno = EINVAL;
- goto err;
- }
+ if (dht_is_debug_xattr_key(dht_dbg_vxattrs, (char *)key) >= 0) {
+ dht_handle_debug_getxattr(frame, this, loc, key);
+ return 0;
+ }
- cached_subvol = dht_subvol_get_cached (this, loc->inode);
- if (!cached_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_CACHED_SUBVOL_GET_FAILED,
- "Failed to get cached subvol for %s",
- loc->path);
- op_errno = EINVAL;
- goto err;
- }
+no_key:
+ if (cluster_handle_marker_getxattr(frame, loc, key, conf->vol_uuid,
+ dht_getxattr_unwind,
+ dht_marker_populate_args) == 0)
+ return 0;
- if (hashed_subvol == cached_subvol) {
- op_errno = ENODATA;
- goto err;
+ if (DHT_IS_DIR(layout)) {
+ local->call_cnt = conf->subvolume_cnt;
+ cnt = conf->subvolume_cnt;
+ ret = dht_inode_ctx_mdsvol_get(loc->inode, this, &mds_subvol);
+ if (!mds_subvol) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Cannot determine MDS, fetching xattr %s randomly"
+ " from a subvol for path %s ",
+ key, loc->path);
+ } else {
+ /* TODO need to handle it, As of now we are
+ choosing availability instead of chossing
+ consistencty, in case of mds_subvol is
+ down winding a getxattr call on other subvol
+ and return xattr
+ */
+ local->mds_subvol = mds_subvol;
+ for (i = 0; i < cnt; i++) {
+ if (conf->subvolumes[i] == mds_subvol) {
+ if (!conf->subvolume_status[i]) {
+ gf_msg(this->name, GF_LOG_INFO, 0,
+ DHT_MSG_HASHED_SUBVOL_DOWN,
+ "MDS %s is down for path"
+ " path %s so fetching xattr "
+ "%s randomly from a subvol ",
+ local->mds_subvol->name, loc->path, key);
+ ret = 1;
+ }
}
-
- STACK_WIND (frame, dht_linkinfo_getxattr_cbk, hashed_subvol,
- hashed_subvol->fops->getxattr, loc,
- GF_XATTR_PATHINFO_KEY, xdata);
- return 0;
- }
-
- if (key && (gf_get_index_by_elem (dht_dbg_vxattrs, (char *)key) >= 0)) {
- dht_handle_debug_getxattr (frame, this, loc, key);
- return 0;
+ }
}
- if (cluster_handle_marker_getxattr (frame, loc, key, conf->vol_uuid,
- dht_getxattr_unwind,
- dht_marker_populate_args) == 0)
- return 0;
-
- if (DHT_IS_DIR(layout)) {
- local->call_cnt = conf->subvolume_cnt;
- cnt = conf->subvolume_cnt;
- ret = dht_inode_ctx_mdsvol_get (loc->inode, this, &mds_subvol);
- if (!mds_subvol) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Cannot determine MDS, fetching xattr %s randomly"
- " from a subvol for path %s ", key, loc->path);
- } else {
- /* TODO need to handle it, As of now we are
- choosing availability instead of chossing
- consistencty, in case of mds_subvol is
- down winding a getxattr call on other subvol
- and return xattr
- */
- local->mds_subvol = mds_subvol;
- for (i = 0; i < cnt; i++) {
- if (conf->subvolumes[i] == mds_subvol) {
- if (!conf->subvolume_status[i]) {
- gf_msg (this->name,
- GF_LOG_INFO, 0,
- DHT_MSG_HASHED_SUBVOL_DOWN,
- "MDS %s is down for path"
- " path %s so fetching xattr "
- "%s randomly from a subvol ",
- local->mds_subvol->name,
- loc->path, key);
- ret = 1;
- }
- }
- }
- }
-
- if (!ret && key && local->mds_subvol && dht_match_xattr (key)) {
- STACK_WIND (frame, dht_mds_getxattr_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->getxattr,
- loc, key, xdata);
+ if (!ret && key && local->mds_subvol && dht_match_xattr(key)) {
+ STACK_WIND(frame, dht_mds_getxattr_cbk, local->mds_subvol,
+ local->mds_subvol->fops->getxattr, loc, key, xdata);
- return 0;
- }
- } else {
- cnt = local->call_cnt = 1;
+ return 0;
}
+ } else {
+ cnt = local->call_cnt = 1;
+ }
- for (i = 0; i < cnt; i++) {
- subvol = layout->list[i].xlator;
- STACK_WIND (frame, dht_getxattr_cbk,
- subvol, subvol->fops->getxattr,
- loc, key, xdata);
- }
- return 0;
+ for (i = 0; i < cnt; i++) {
+ subvol = layout->list[i].xlator;
+ STACK_WIND(frame, dht_getxattr_cbk, subvol, subvol->fops->getxattr, loc,
+ key, xdata);
+ }
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (getxattr, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(getxattr, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
#undef DHT_IS_DIR
int
-dht_fgetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, const char *key, dict_t *xdata)
-{
- xlator_t *subvol = NULL;
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- int op_errno = -1;
- int i = 0;
- int cnt = 0;
- xlator_t *mds_subvol = NULL;
- int ret = -1;
- dht_conf_t *conf = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
- VALIDATE_OR_GOTO (fd->inode, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FGETXATTR);
- if (!local) {
- op_errno = ENOMEM;
-
- goto err;
+dht_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
+ dict_t *xdata)
+{
+ xlator_t *subvol = NULL;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int op_errno = -1;
+ int i = 0;
+ int cnt = 0;
+ xlator_t *mds_subvol = NULL;
+ int ret = -1;
+ dht_conf_t *conf = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+ VALIDATE_OR_GOTO(fd->inode, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FGETXATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_LAYOUT_NULL,
+ "Layout is NULL");
+ op_errno = ENOENT;
+ goto err;
+ }
+
+ if (key) {
+ local->key = gf_strdup(key);
+ if (!local->key) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+ }
+
+ gf_uuid_unparse(fd->inode->gfid, gfid);
+
+ if ((fd->inode->ia_type == IA_IFDIR) && key &&
+ (strncmp(key, GF_XATTR_LOCKINFO_KEY, SLEN(GF_XATTR_LOCKINFO_KEY)) !=
+ 0)) {
+ local->call_cnt = conf->subvolume_cnt;
+ cnt = conf->subvolume_cnt;
+ ret = dht_inode_ctx_mdsvol_get(fd->inode, this, &mds_subvol);
+
+ if (!mds_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "cannot determine MDS, fetching xattr %s "
+ " randomly from a subvol for gfid %s ",
+ key, gfid);
+ } else {
+ /* TODO need to handle it, As of now we are
+ choosing availability instead of chossing
+ consistencty, in case of hashed_subvol is
+ down winding a getxattr call on other subvol
+ and return xattr
+ */
+ local->mds_subvol = mds_subvol;
+ for (i = 0; i < cnt; i++) {
+ if (conf->subvolumes[i] == mds_subvol) {
+ if (!conf->subvolume_status[i]) {
+ gf_msg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_HASHED_SUBVOL_DOWN,
+ "MDS subvolume %s is down"
+ " for gfid %s so fetching xattr "
+ " %s randomly from a subvol ",
+ local->mds_subvol->name, gfid, key);
+ ret = 1;
+ }
+ }
+ }
}
- layout = local->layout;
- if (!layout) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_LAYOUT_NULL,
- "Layout is NULL");
- op_errno = ENOENT;
- goto err;
- }
+ if (!ret && key && local->mds_subvol && dht_match_xattr(key)) {
+ STACK_WIND(frame, dht_mds_getxattr_cbk, local->mds_subvol,
+ local->mds_subvol->fops->fgetxattr, fd, key, NULL);
- if (key) {
- local->key = gf_strdup (key);
- if (!local->key) {
- op_errno = ENOMEM;
- goto err;
- }
+ return 0;
}
- if (fd->inode)
- gf_uuid_unparse(fd->inode->gfid, gfid);
+ } else {
+ cnt = local->call_cnt = 1;
+ }
- if ((fd->inode->ia_type == IA_IFDIR)
- && key
- && (strncmp (key, GF_XATTR_LOCKINFO_KEY,
- strlen (GF_XATTR_LOCKINFO_KEY)) != 0)) {
- local->call_cnt = conf->subvolume_cnt;
- cnt = conf->subvolume_cnt;
- ret = dht_inode_ctx_mdsvol_get (fd->inode, this, &mds_subvol);
+ for (i = 0; i < cnt; i++) {
+ subvol = layout->list[i].xlator;
+ STACK_WIND(frame, dht_getxattr_cbk, subvol, subvol->fops->fgetxattr, fd,
+ key, NULL);
+ }
+ return 0;
- if (!mds_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "cannot determine MDS, fetching xattr %s "
- " randomly from a subvol for gfid %s ",
- key, gfid);
- } else {
- /* TODO need to handle it, As of now we are
- choosing availability instead of chossing
- consistencty, in case of hashed_subvol is
- down winding a getxattr call on other subvol
- and return xattr
- */
- local->mds_subvol = mds_subvol;
- for (i = 0; i < cnt; i++) {
- if (conf->subvolumes[i] == mds_subvol) {
- if (!conf->subvolume_status[i]) {
- gf_msg (this->name,
- GF_LOG_WARNING, 0,
- DHT_MSG_HASHED_SUBVOL_DOWN,
- "MDS subvolume %s is down"
- " for gfid %s so fetching xattr "
- " %s randomly from a subvol ",
- local->mds_subvol->name,
- gfid, key);
- ret = 1;
- }
- }
- }
- }
+err:
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fgetxattr, frame, -1, op_errno, NULL, NULL);
- if (!ret && key && local->mds_subvol &&
- dht_match_xattr (key)) {
- STACK_WIND (frame, dht_mds_getxattr_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->fgetxattr,
- fd, key, NULL);
+ return 0;
+}
- return 0;
- }
+static int
+dht_setxattr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+{
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
- } else {
- cnt = local->call_cnt = 1;
- }
+ if (!frame || !frame->local)
+ goto err;
+ local = frame->local;
+ op_errno = local->op_errno;
- for (i = 0; i < cnt; i++) {
- subvol = layout->list[i].xlator;
- STACK_WIND (frame, dht_getxattr_cbk,
- subvol, subvol->fops->fgetxattr,
- fd, key, NULL);
- }
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(setxattr, frame, local->op_ret, local->op_errno,
+ local->rebalance.xdata);
return 0;
+ }
-err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fgetxattr, frame, -1, op_errno, NULL, NULL);
+ if (subvol == NULL)
+ goto err;
- return 0;
+ local->call_cnt = 2; /* This is the second attempt */
+
+ if (local->fop == GF_FOP_SETXATTR) {
+ STACK_WIND_COOKIE(frame, dht_file_setxattr_cbk, subvol, subvol,
+ subvol->fops->setxattr, &local->loc,
+ local->rebalance.xattr, local->rebalance.flags,
+ local->xattr_req);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_file_setxattr_cbk, subvol, subvol,
+ subvol->fops->fsetxattr, local->fd,
+ local->rebalance.xattr, local->rebalance.flags,
+ local->xattr_req);
+ }
+
+ return 0;
+
+err:
+ DHT_STACK_UNWIND(setxattr, frame, (local ? local->op_ret : -1), op_errno,
+ NULL);
+ return 0;
}
int
-dht_file_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+dht_file_setxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- int ret = -1;
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- struct iatt *stbuf = NULL;
- inode_t *inode = NULL;
- xlator_t *subvol1 = NULL, *subvol2 = NULL;
-
- local = frame->local;
- prev = cookie;
+ int ret = -1;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ struct iatt *stbuf = NULL;
+ inode_t *inode = NULL;
+ xlator_t *subvol1 = NULL, *subvol2 = NULL;
- local->op_errno = op_errno;
+ local = frame->local;
+ prev = cookie;
- if ((local->fop == GF_FOP_FSETXATTR) &&
- op_ret == -1 && (op_errno == EBADF) && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
+ local->op_errno = op_errno;
- if ((op_ret == -1) && !dht_inode_missing (op_errno)) {
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1.",
- prev->name);
- goto out;
- }
+ if ((local->fop == GF_FOP_FSETXATTR) &&
+ dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- if (local->call_cnt != 1)
- goto out;
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1.",
+ prev->name);
+ goto out;
+ }
- ret = dict_get_bin (xdata, DHT_IATT_IN_XDATA_KEY, (void **) &stbuf);
+ if (local->call_cnt != 1)
+ goto out;
- if ((!op_ret) && !stbuf) {
- goto out;
- }
+ ret = dict_get_bin(xdata, DHT_IATT_IN_XDATA_KEY, (void **)&stbuf);
- local->op_ret = op_ret;
- local->rebalance.target_op_fn = dht_setxattr2;
- if (xdata)
- local->rebalance.xdata = dict_ref (xdata);
+ if ((!op_ret) && !stbuf) {
+ goto out;
+ }
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (stbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- }
+ local->op_ret = op_ret;
+ local->rebalance.target_op_fn = dht_setxattr2;
+ if (xdata)
+ local->rebalance.xdata = dict_ref(xdata);
- /* Phase 1 of migration */
- if (IS_DHT_MIGRATION_PHASE1 (stbuf)) {
- inode = (local->fd) ? local->fd->inode : local->loc.inode;
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(stbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
- ret = dht_inode_ctx_get_mig_info (this, inode,
- &subvol1, &subvol2);
- if (!dht_mig_info_is_invalid (local->cached_subvol,
- subvol1, subvol2)) {
- dht_setxattr2 (this, subvol2, frame, 0);
- return 0;
- }
+ /* Phase 1 of migration */
+ if (IS_DHT_MIGRATION_PHASE1(stbuf)) {
+ inode = (local->fd) ? local->fd->inode : local->loc.inode;
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
+ ret = dht_inode_ctx_get_mig_info(this, inode, &subvol1, &subvol2);
+ if (!dht_mig_info_is_invalid(local->cached_subvol, subvol1, subvol2)) {
+ dht_setxattr2(this, subvol2, frame, 0);
+ return 0;
}
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
+
out:
- if (local->fop == GF_FOP_SETXATTR) {
- DHT_STACK_UNWIND (setxattr, frame, op_ret, op_errno, xdata);
- } else {
- DHT_STACK_UNWIND (fsetxattr, frame, op_ret, op_errno, xdata);
- }
+ if (local->fop == GF_FOP_SETXATTR) {
+ DHT_STACK_UNWIND(setxattr, frame, op_ret, op_errno, xdata);
+ } else {
+ DHT_STACK_UNWIND(fsetxattr, frame, op_ret, op_errno, xdata);
+ }
- return 0;
+ return 0;
}
/* Function is call by dict_foreach_fnmatch if key is match with
user.* and set boolean flag to true
*/
static int
-dht_is_user_xattr (dict_t *this, char *key, data_t *value, void *data)
+dht_is_user_xattr(dict_t *this, char *key, data_t *value, void *data)
{
- gf_boolean_t *user_xattr_found = data;
- *user_xattr_found = _gf_true;
- return 0;
+ gf_boolean_t *user_xattr_found = data;
+ *user_xattr_found = _gf_true;
+ return 0;
}
-
/* Common code to wind a (f)(set|remove)xattr call to set xattr on directory
-*/
-int
-dht_dir_common_set_remove_xattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
- fd_t *fd, dict_t *xattr, int flags, dict_t *xdata,
- int *op_errno)
-
-{
- dict_t *xattrop = NULL;
- int32_t subone[1] = {-1};
- gf_boolean_t uxattr_key_found = _gf_false;
- xlator_t *mds_subvol = NULL;
- xlator_t *travvol = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
- int i = 0;
- int call_cnt = 0;
- dht_local_t *local = NULL;
- char gfid_local[GF_UUID_BUF_SIZE] = {0};
-
- conf = this->private;
- local = frame->local;
- call_cnt = conf->subvolume_cnt;
- local->flags = flags;
-
- if (local->gfid)
- gf_uuid_unparse(local->gfid, gfid_local);
-
- if ((local->fop == GF_FOP_SETXATTR) ||
- (local->fop == GF_FOP_FSETXATTR)) {
- /* Check if any user xattr present in xattr
- */
- dict_foreach_fnmatch (xattr, "user*", dht_is_user_xattr,
- &uxattr_key_found);
-
- /* Check if any custom key xattr present in dict xattr
- and start index from 1 because user xattr already
- checked in previous line
- */
- for (i = 1; xattrs_to_heal[i]; i++)
- if (dict_get (xattr, xattrs_to_heal[i]))
- uxattr_key_found = _gf_true;
- }
+ */
+static int
+dht_dir_common_set_remove_xattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ fd_t *fd, dict_t *xattr, int flags,
+ dict_t *xdata, int *op_errno)
+
+{
+ dict_t *xattrop = NULL;
+ int32_t subone[1] = {-1};
+ gf_boolean_t uxattr_key_found = _gf_false;
+ xlator_t *mds_subvol = NULL;
+ xlator_t *travvol = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+ int i = 0;
+ int call_cnt = 0;
+ dht_local_t *local = NULL;
+ char gfid_local[GF_UUID_BUF_SIZE] = {0};
+ char **xattrs_to_heal;
+
+ conf = this->private;
+ local = frame->local;
+ call_cnt = conf->subvolume_cnt;
+ local->flags = flags;
+ xattrs_to_heal = get_xattrs_to_heal();
+
+ if (!gf_uuid_is_null(local->gfid)) {
+ gf_uuid_unparse(local->gfid, gfid_local);
+ }
- if ((local->fop == GF_FOP_REMOVEXATTR) ||
- (local->fop == GF_FOP_FREMOVEXATTR)) {
- /* Check if any custom key xattr present in local->key
- */
- for (i = 0; xattrs_to_heal[i]; i++)
- if (strstr (local->key, xattrs_to_heal[i]))
- uxattr_key_found = _gf_true;
- }
+ if ((local->fop == GF_FOP_SETXATTR) || (local->fop == GF_FOP_FSETXATTR)) {
+ /* Check if any user xattr present in xattr
+ */
+ dict_foreach_fnmatch(xattr, "user*", dht_is_user_xattr,
+ &uxattr_key_found);
- /* If there is no custom key xattr present or gfid is root
- or call_cnt is 1 then wind a (f)setxattr call on all subvols
+ /* Check if any custom key xattr present in dict xattr
+ and start index from 1 because user xattr already
+ checked in previous line
*/
- if (!uxattr_key_found || __is_root_gfid (local->gfid) || call_cnt == 1) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- travvol = conf->subvolumes[i];
- if ((local->fop == GF_FOP_SETXATTR) ||
- (local->fop == GF_FOP_FSETXATTR)) {
- if (fd) {
- STACK_WIND_COOKIE (frame, dht_err_cbk,
- travvol, travvol,
- travvol->fops->fsetxattr,
- fd, xattr, flags, xdata);
- } else {
- STACK_WIND_COOKIE (frame, dht_err_cbk,
- travvol, travvol,
- travvol->fops->setxattr,
- loc, xattr, flags, xdata);
- }
- }
-
- if ((local->fop == GF_FOP_REMOVEXATTR) ||
- (local->fop == GF_FOP_FREMOVEXATTR)) {
- if (fd) {
- STACK_WIND_COOKIE (frame, dht_err_cbk,
- travvol, travvol,
- travvol->fops->fremovexattr,
- fd, local->key, local->xattr_req);
- } else {
- STACK_WIND_COOKIE (frame, dht_err_cbk,
- travvol, travvol,
- travvol->fops->removexattr,
- loc, local->key, local->xattr_req);
- }
- }
- }
-
- return 0;
- }
-
- /* Calculate hash subvol based on inode and parent inode
+ for (i = 1; xattrs_to_heal[i]; i++)
+ if (dict_get(xattr, xattrs_to_heal[i]))
+ uxattr_key_found = _gf_true;
+ }
+
+ if ((local->fop == GF_FOP_REMOVEXATTR) ||
+ (local->fop == GF_FOP_FREMOVEXATTR)) {
+ /* Check if any custom key xattr present in local->key
*/
- if (fd) {
- ret = dht_inode_ctx_mdsvol_get (fd->inode, this, &mds_subvol);
- } else {
- ret = dht_inode_ctx_mdsvol_get (loc->inode, this, &mds_subvol);
- }
- if (ret || !mds_subvol) {
+ for (i = 0; xattrs_to_heal[i]; i++)
+ if (strstr(local->key, xattrs_to_heal[i]))
+ uxattr_key_found = _gf_true;
+ }
+
+ /* If there is no custom key xattr present or gfid is root
+ or call_cnt is 1 then wind a (f)setxattr call on all subvols
+ */
+ if (!uxattr_key_found || __is_root_gfid(local->gfid) || call_cnt == 1) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ travvol = conf->subvolumes[i];
+ if ((local->fop == GF_FOP_SETXATTR) ||
+ (local->fop == GF_FOP_FSETXATTR)) {
if (fd) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get mds subvol for fd %p"
- "gfid is %s ", fd, gfid_local);
+ STACK_WIND_COOKIE(frame, dht_err_cbk, travvol, travvol,
+ travvol->fops->fsetxattr, fd, xattr,
+ flags, xdata);
} else {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get mds subvol for path %s"
- "gfid is %s ", loc->path, gfid_local);
+ STACK_WIND_COOKIE(frame, dht_err_cbk, travvol, travvol,
+ travvol->fops->setxattr, loc, xattr,
+ flags, xdata);
}
- (*op_errno) = ENOENT;
- goto err;
- }
-
- local->mds_subvol = mds_subvol;
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == mds_subvol) {
- if (!conf->subvolume_status[i]) {
- gf_msg (this->name, GF_LOG_WARNING,
- 0, DHT_MSG_HASHED_SUBVOL_DOWN,
- "MDS subvol is down for path "
- " %s gfid is %s Unable to set xattr " ,
- local->loc.path, gfid_local);
- (*op_errno) = ENOTCONN;
- goto err;
- }
- }
- }
+ }
- if (uxattr_key_found) {
- xattrop = dict_new ();
- if (!xattrop) {
- gf_msg (this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY,
- 0, "dictionary creation failed for path %s "
- "for gfid is %s ", local->loc.path, gfid_local);
- (*op_errno) = ENOMEM;
- goto err;
- }
- local->xattr = dict_ref (xattr);
- /* Subtract current MDS xattr value to -1 , value of MDS
- xattr represents no. of times xattr modification failed
- on non MDS subvols.
- */
- ret = dht_dict_set_array (xattrop, conf->mds_xattr_key, subone, 1);
- if (ret != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
- "dictionary set array failed for path %s "
- "for gfid is %s ", local->loc.path, gfid_local);
- if (xattrop)
- dict_unref (xattrop);
- (*op_errno) = ret;
- goto err;
- }
- /* Wind a xattrop call to use ref counting approach
- update mds xattr to -1 before update xattr on
- hashed subvol and update mds xattr to +1 after update
- xattr on all non hashed subvol
- */
+ if ((local->fop == GF_FOP_REMOVEXATTR) ||
+ (local->fop == GF_FOP_FREMOVEXATTR)) {
if (fd) {
- STACK_WIND (frame, dht_xattrop_mds_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->fxattrop,
- fd, GF_XATTROP_ADD_ARRAY, xattrop, NULL);
+ STACK_WIND_COOKIE(frame, dht_err_cbk, travvol, travvol,
+ travvol->fops->fremovexattr, fd,
+ local->key, local->xattr_req);
} else {
- STACK_WIND (frame, dht_xattrop_mds_cbk,
- local->mds_subvol,
- local->mds_subvol->fops->xattrop,
- loc, GF_XATTROP_ADD_ARRAY,
- xattrop, NULL);
+ STACK_WIND_COOKIE(frame, dht_err_cbk, travvol, travvol,
+ travvol->fops->removexattr, loc,
+ local->key, local->xattr_req);
}
- if (xattrop)
- dict_unref (xattrop);
+ }
}
return 0;
-err:
- return -1;
-}
-
+ }
-int
-dht_fsetxattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, dict_t *xattr, int flags, dict_t *xdata)
-{
- xlator_t *subvol = NULL;
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
- dht_conf_t *conf = NULL;
- dht_layout_t *layout = NULL;
- int ret = -1;
- int call_cnt = 0;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
- VALIDATE_OR_GOTO (fd->inode, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- if (!conf->defrag)
- GF_IF_INTERNAL_XATTR_GOTO (conf->wild_xattr_name, xattr,
- op_errno, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FSETXATTR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
-
- layout = local->layout;
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "no layout for fd=%p", fd);
- op_errno = EINVAL;
+ /* Calculate hash subvol based on inode and parent inode
+ */
+ if (fd) {
+ ret = dht_inode_ctx_mdsvol_get(fd->inode, this, &mds_subvol);
+ } else {
+ ret = dht_inode_ctx_mdsvol_get(loc->inode, this, &mds_subvol);
+ }
+ if (ret || !mds_subvol) {
+ if (fd) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Failed to get mds subvol for fd %p"
+ "gfid is %s ",
+ fd, gfid_local);
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "%s: Failed to get mds subvol. (gfid is %s)", loc->path,
+ gfid_local);
+ }
+ (*op_errno) = ENOENT;
+ goto err;
+ }
+
+ local->mds_subvol = mds_subvol;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == mds_subvol) {
+ if (!conf->subvolume_status[i]) {
+ gf_msg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_HASHED_SUBVOL_DOWN,
+ "MDS subvol is down for path "
+ " %s gfid is %s Unable to set xattr ",
+ local->loc.path, gfid_local);
+ (*op_errno) = ENOTCONN;
goto err;
+ }
}
-
- local->xattr_req = xdata ? dict_ref (xdata) : dict_new ();
- local->call_cnt = call_cnt = layout->cnt;
-
- if (IA_ISDIR (fd->inode->ia_type)) {
- local->hashed_subvol = NULL;
- ret = dht_dir_common_set_remove_xattr (frame, this, NULL, fd,
- xattr, flags, xdata, &op_errno);
- if (ret)
- goto err;
+ }
+
+ if (uxattr_key_found) {
+ xattrop = dict_new();
+ if (!xattrop) {
+ gf_msg(this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, 0,
+ "dictionary creation failed for path %s "
+ "for gfid is %s ",
+ local->loc.path, gfid_local);
+ (*op_errno) = ENOMEM;
+ goto err;
+ }
+ local->xattr = dict_ref(xattr);
+ /* Subtract current MDS xattr value to -1 , value of MDS
+ xattr represents no. of times xattr modification failed
+ on non MDS subvols.
+ */
+ ret = dht_dict_set_array(xattrop, conf->mds_xattr_key, subone, 1);
+ if (ret != 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "dictionary set array failed for path %s "
+ "for gfid is %s ",
+ local->loc.path, gfid_local);
+ if (xattrop)
+ dict_unref(xattrop);
+ (*op_errno) = ret;
+ goto err;
+ }
+ /* Wind a xattrop call to use ref counting approach
+ update mds xattr to -1 before update xattr on
+ hashed subvol and update mds xattr to +1 after update
+ xattr on all non hashed subvol
+ */
+ if (fd) {
+ STACK_WIND(frame, dht_xattrop_mds_cbk, local->mds_subvol,
+ local->mds_subvol->fops->fxattrop, fd,
+ GF_XATTROP_ADD_ARRAY, xattrop, NULL);
} else {
-
- local->call_cnt = 1;
- local->rebalance.xattr = dict_ref (xattr);
- local->rebalance.flags = flags;
-
- ret = dict_set_int8 (local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
- if (ret) {
- gf_msg_debug (this->name, 0,
- "Failed to set dictionary key %s for fd=%p",
- DHT_IATT_IN_XDATA_KEY, fd);
- }
-
- STACK_WIND_COOKIE (frame, dht_file_setxattr_cbk, subvol,
- subvol, subvol->fops->fsetxattr, fd, xattr,
- flags, local->xattr_req);
+ STACK_WIND(frame, dht_xattrop_mds_cbk, local->mds_subvol,
+ local->mds_subvol->fops->xattrop, loc,
+ GF_XATTROP_ADD_ARRAY, xattrop, NULL);
}
- return 0;
+ if (xattrop)
+ dict_unref(xattrop);
+ }
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fsetxattr, frame, -1, op_errno, NULL);
-
- return 0;
-}
+ return -1;
+}
+
+int
+dht_fsetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xattr,
+ int flags, dict_t *xdata)
+{
+ xlator_t *subvol = NULL;
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
+ dht_conf_t *conf = NULL;
+ dht_layout_t *layout = NULL;
+ int ret = -1;
+ int call_cnt = 0;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+ VALIDATE_OR_GOTO(fd->inode, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ if (!conf->defrag)
+ GF_IF_INTERNAL_XATTR_GOTO(conf->wild_xattr_name, xattr, op_errno, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FSETXATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg_debug(this->name, 0, "no layout for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ local->xattr_req = xdata ? dict_ref(xdata) : dict_new();
+ local->call_cnt = call_cnt = layout->cnt;
+
+ if (IA_ISDIR(fd->inode->ia_type)) {
+ local->hashed_subvol = NULL;
+ ret = dht_dir_common_set_remove_xattr(frame, this, NULL, fd, xattr,
+ flags, xdata, &op_errno);
+ if (ret)
+ goto err;
+ } else {
+ local->call_cnt = 1;
+ local->rebalance.xattr = dict_ref(xattr);
+ local->rebalance.flags = flags;
+ ret = dict_set_int8(local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
+ if (ret) {
+ gf_msg_debug(this->name, 0,
+ "Failed to set dictionary key %s for fd=%p",
+ DHT_IATT_IN_XDATA_KEY, fd);
+ }
-int
-dht_checking_pathinfo_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xattr,
- dict_t *xdata)
-{
- int i = -1;
- int ret = -1;
- char *value = NULL;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- xlator_t *prev = NULL;
- int this_call_cnt = 0;
+ STACK_WIND_COOKIE(frame, dht_file_setxattr_cbk, subvol, subvol,
+ subvol->fops->fsetxattr, fd, xattr, flags,
+ local->xattr_req);
+ }
+ return 0;
- local = frame->local;
- prev = cookie;
- conf = this->private;
+err:
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fsetxattr, frame, -1, op_errno, NULL);
- if (op_ret == -1)
- goto out;
+ return 0;
+}
+static int
+dht_checking_pathinfo_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr,
+ dict_t *xdata)
+{
+ int i = -1;
+ int ret = -1;
+ char *value = NULL;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ xlator_t *prev = NULL;
+ int this_call_cnt = 0;
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ if (op_ret == -1)
+ goto out;
- ret = dict_get_str (xattr, GF_XATTR_PATHINFO_KEY, &value);
- if (ret)
- goto out;
+ ret = dict_get_str(xattr, GF_XATTR_PATHINFO_KEY, &value);
+ if (ret)
+ goto out;
- if (!strcmp (value, local->key)) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == prev)
- conf->decommissioned_bricks[i] = prev;
- }
+ if (!strcmp(value, local->key)) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == prev)
+ conf->decommissioned_bricks[i] = prev;
}
+ }
out:
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- DHT_STACK_UNWIND (setxattr, frame, local->op_ret, ENOTSUP, NULL);
- }
- return 0;
-
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ DHT_STACK_UNWIND(setxattr, frame, local->op_ret, ENOTSUP, NULL);
+ }
+ return 0;
}
-
-int
-dht_setxattr2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_nuke_dir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
+ STACK_UNWIND_STRICT(setxattr, frame, op_ret, op_errno, NULL);
+ return 0;
+}
- if (!frame || !frame->local)
- goto err;
+static int
+dht_nuke_dir(call_frame_t *frame, xlator_t *this, loc_t *loc, data_t *tmp)
+{
+ if (!IA_ISDIR(loc->inode->ia_type)) {
+ DHT_STACK_UNWIND(setxattr, frame, -1, ENOTSUP, NULL);
+ return 0;
+ }
+
+ /* Setxattr didn't need the parent, but rmdir does. */
+ loc->parent = inode_parent(loc->inode, NULL, NULL);
+ if (!loc->parent) {
+ DHT_STACK_UNWIND(setxattr, frame, -1, ENOENT, NULL);
+ return 0;
+ }
+ gf_uuid_copy(loc->pargfid, loc->parent->gfid);
+
+ if (!loc->name && loc->path) {
+ loc->name = strrchr(loc->path, '/');
+ if (loc->name) {
+ ++(loc->name);
+ }
+ }
+
+ /*
+ * We do this instead of calling dht_rmdir_do directly for two reasons.
+ * The first is that we want to reuse all of the initialization that
+ * dht_rmdir does, so if it ever changes we'll just follow along. The
+ * second (i.e. why we don't use STACK_WIND_TAIL) is so that we don't
+ * obscure the fact that we came in via this path instead of a genuine
+ * rmdir. That makes debugging just a tiny bit easier.
+ */
+ STACK_WIND(frame, dht_nuke_dir_cbk, this, this->fops->rmdir, loc, 1, NULL);
+
+ return 0;
+}
- local = frame->local;
- op_errno = local->op_errno;
+int
+dht_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr,
+ int flags, dict_t *xdata)
+{
+ xlator_t *subvol = NULL;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ dht_methods_t *methods = NULL;
+ dht_layout_t *layout = NULL;
+ int i = 0;
+ int op_errno = EINVAL;
+ int ret = -1;
+ data_t *tmp = NULL;
+ uint32_t dir_spread = 0;
+ char value[4096] = {
+ 0,
+ };
+ gf_dht_migrate_data_type_t forced_rebalance = GF_DHT_MIGRATE_DATA;
+ int call_cnt = 0;
+ uint32_t new_hash = 0;
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (setxattr, frame, local->op_ret,
- local->op_errno, local->rebalance.xdata);
- return 0;
- }
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
- if (subvol == NULL)
- goto err;
+ conf = this->private;
+ GF_VALIDATE_OR_GOTO(this->name, conf, err);
+ methods = &(conf->methods);
- local->call_cnt = 2; /* This is the second attempt */
+ /* Rebalance daemon is allowed to set internal keys */
+ if (!conf->defrag)
+ GF_IF_INTERNAL_XATTR_GOTO(conf->wild_xattr_name, xattr, op_errno, err);
- if (local->fop == GF_FOP_SETXATTR) {
- STACK_WIND_COOKIE (frame, dht_file_setxattr_cbk, subvol,
- subvol, subvol->fops->setxattr, &local->loc,
- local->rebalance.xattr,
- local->rebalance.flags, local->xattr_req);
- } else {
- STACK_WIND_COOKIE (frame, dht_file_setxattr_cbk, subvol,
- subvol, subvol->fops->fsetxattr, local->fd,
- local->rebalance.xattr,
- local->rebalance.flags, local->xattr_req);
- }
+ local = dht_local_init(frame, loc, NULL, GF_FOP_SETXATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- return 0;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for path=%s",
+ loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
-err:
- DHT_STACK_UNWIND (setxattr, frame, (local ? local->op_ret : -1),
- op_errno, NULL);
- return 0;
-}
+ layout = local->layout;
+ if (!layout) {
+ gf_msg_debug(this->name, 0, "no layout for path=%s", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
-int
-dht_nuke_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
-{
- STACK_UNWIND_STRICT (setxattr, frame, op_ret, op_errno, NULL);
- return 0;
-}
+ local->call_cnt = call_cnt = layout->cnt;
+ tmp = dict_get(xattr, conf->mds_xattr_key);
+ if (tmp) {
+ op_errno = ENOTSUP;
+ goto err;
+ }
-int
-dht_nuke_dir (call_frame_t *frame, xlator_t *this, loc_t *loc, data_t *tmp)
-{
- if (!IA_ISDIR(loc->inode->ia_type)) {
- DHT_STACK_UNWIND (setxattr, frame, -1, ENOTSUP, NULL);
- return 0;
+ tmp = dict_get(xattr, GF_XATTR_FILE_MIGRATE_KEY);
+ if (tmp) {
+ if (IA_ISDIR(loc->inode->ia_type)) {
+ op_errno = ENOTSUP;
+ goto err;
}
- /* Setxattr didn't need the parent, but rmdir does. */
- loc->parent = inode_parent (loc->inode, NULL, NULL);
- if (!loc->parent) {
- DHT_STACK_UNWIND (setxattr, frame, -1, ENOENT, NULL);
- return 0;
- }
- gf_uuid_copy (loc->pargfid, loc->parent->gfid);
+ /* TODO: need to interpret the 'value' for more meaning
+ (ie, 'target' subvolume given there, etc) */
+ memcpy(value, tmp->data, tmp->len);
+ if (strcmp(value, "force") == 0)
+ forced_rebalance = GF_DHT_MIGRATE_DATA_EVEN_IF_LINK_EXISTS;
- if (!loc->name && loc->path) {
- loc->name = strrchr (loc->path, '/');
- if (loc->name) {
- ++(loc->name);
- }
- }
-
- /*
- * We do this instead of calling dht_rmdir_do directly for two reasons.
- * The first is that we want to reuse all of the initialization that
- * dht_rmdir does, so if it ever changes we'll just follow along. The
- * second (i.e. why we don't use STACK_WIND_TAIL) is so that we don't
- * obscure the fact that we came in via this path instead of a genuine
- * rmdir. That makes debugging just a tiny bit easier.
- */
- STACK_WIND (frame, dht_nuke_dir_cbk, this, this->fops->rmdir,
- loc, 1, NULL);
-
- return 0;
-}
+ if (conf->decommission_in_progress)
+ forced_rebalance = GF_DHT_MIGRATE_HARDLINK;
-
-int
-dht_setxattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, dict_t *xattr, int flags, dict_t *xdata)
-{
- xlator_t *subvol = NULL;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- dht_methods_t *methods = NULL;
- dht_layout_t *layout = NULL;
- int i = 0;
- int op_errno = EINVAL;
- int ret = -1;
- data_t *tmp = NULL;
- uint32_t dir_spread = 0;
- char value[4096] = {0,};
- gf_dht_migrate_data_type_t forced_rebalance = GF_DHT_MIGRATE_DATA;
- int call_cnt = 0;
- uint32_t new_hash = 0;
-
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
-
- conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, err);
-
- methods = &(conf->methods);
-
- /* Rebalance daemon is allowed to set internal keys */
- if (!conf->defrag)
- GF_IF_INTERNAL_XATTR_GOTO (conf->wild_xattr_name, xattr,
- op_errno, err);
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_SETXATTR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
+ if (!loc->path) {
+ op_errno = EINVAL;
+ goto err;
}
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s",
- loc->path);
- op_errno = EINVAL;
- goto err;
- }
+ if (!local->loc.name)
+ local->loc.name = strrchr(local->loc.path, '/') + 1;
- layout = local->layout;
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "no layout for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
+ if (!local->loc.parent)
+ local->loc.parent = inode_parent(local->loc.inode, NULL, NULL);
+
+ if ((!local->loc.name) || (!local->loc.parent)) {
+ op_errno = EINVAL;
+ goto err;
}
- local->call_cnt = call_cnt = layout->cnt;
- tmp = dict_get (xattr, conf->mds_xattr_key);
- if (tmp) {
- op_errno = ENOTSUP;
- goto err;
- }
-
- tmp = dict_get (xattr, GF_XATTR_FILE_MIGRATE_KEY);
- if (tmp) {
-
- if (IA_ISDIR (loc->inode->ia_type)) {
- op_errno = ENOTSUP;
- goto err;
- }
+ if (gf_uuid_is_null(local->loc.pargfid))
+ gf_uuid_copy(local->loc.pargfid, local->loc.parent->gfid);
- /* TODO: need to interpret the 'value' for more meaning
- (ie, 'target' subvolume given there, etc) */
- memcpy (value, tmp->data, tmp->len);
- if (strcmp (value, "force") == 0)
- forced_rebalance =
- GF_DHT_MIGRATE_DATA_EVEN_IF_LINK_EXISTS;
-
- if (conf->decommission_in_progress)
- forced_rebalance = GF_DHT_MIGRATE_HARDLINK;
-
- if (!loc->path) {
- op_errno = EINVAL;
- goto err;
- }
-
- if (!local->loc.name)
- local->loc.name = strrchr (local->loc.path, '/')+1;
-
- if (!local->loc.parent)
- local->loc.parent =
- inode_parent(local->loc.inode, NULL, NULL);
-
- if ((!local->loc.name) || (!local->loc.parent)) {
- op_errno = EINVAL;
- goto err;
- }
-
- if (gf_uuid_is_null (local->loc.pargfid))
- gf_uuid_copy (local->loc.pargfid, local->loc.parent->gfid);
-
- methods->migration_get_dst_subvol(this, local);
-
- if (!local->rebalance.target_node) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get hashed subvol for %s",
- loc->path);
- op_errno = EINVAL;
- goto err;
- }
-
- local->rebalance.from_subvol = local->cached_subvol;
-
- if (local->rebalance.target_node == local->rebalance.from_subvol) {
- op_errno = EEXIST;
- goto err;
- }
- if (local->rebalance.target_node) {
- local->flags = forced_rebalance;
-
- /* Flag to suggest its a tiering migration
- * The reason for this dic key-value is that
- * promotions and demotions are multithreaded
- * so the original frame from gf_defrag_start()
- * is not carried. A new frame will be created when
- * we do syncop_setxattr(). This does not have the
- * frame->root->pid of the original frame. So we pass
- * this dic key-value when we do syncop_setxattr() to do
- * data migration and set the frame->root->pid to
- * GF_CLIENT_PID_TIER_DEFRAG in dht_setxattr() just before
- * calling dht_start_rebalance_task() */
- tmp = dict_get (xattr, TIERING_MIGRATION_KEY);
- if (tmp)
- frame->root->pid = GF_CLIENT_PID_TIER_DEFRAG;
- else
- frame->root->pid = GF_CLIENT_PID_DEFRAG;
-
- ret = dht_start_rebalance_task (this, frame);
- if (!ret)
- return 0;
-
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_REBALANCE_START_FAILED,
- "%s: failed to create a new rebalance synctask",
- loc->path);
- }
- op_errno = EINVAL;
- goto err;
+ methods->migration_get_dst_subvol(this, local);
+ if (!local->rebalance.target_node) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Failed to get hashed subvol for %s", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ local->rebalance.from_subvol = local->cached_subvol;
+
+ if (local->rebalance.target_node == local->rebalance.from_subvol) {
+ op_errno = EEXIST;
+ goto err;
}
+ if (local->rebalance.target_node) {
+ local->flags = forced_rebalance;
- tmp = dict_get (xattr, "decommission-brick");
- if (tmp) {
- /* This operation should happen only on '/' */
- if (!__is_root_gfid (loc->inode->gfid)) {
- op_errno = ENOTSUP;
- goto err;
- }
-
- memcpy (value, tmp->data, ((tmp->len < 4095) ? tmp->len : 4095));
- local->key = gf_strdup (value);
- local->call_cnt = conf->subvolume_cnt;
+ frame->root->pid = GF_CLIENT_PID_DEFRAG;
- for (i = 0 ; i < conf->subvolume_cnt; i++) {
- /* Get the pathinfo, and then compare */
- STACK_WIND_COOKIE (frame, dht_checking_pathinfo_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->getxattr,
- loc, GF_XATTR_PATHINFO_KEY, NULL);
- }
+ ret = dht_start_rebalance_task(this, frame);
+ if (!ret)
return 0;
- }
-
- tmp = dict_get (xattr, GF_XATTR_FIX_LAYOUT_KEY);
- if (tmp) {
- ret = dict_get_uint32(xattr, "new-commit-hash", &new_hash);
- if (ret == 0) {
- gf_msg_debug (this->name, 0,
- "updating commit hash for %s from %u to %u",
- uuid_utoa(loc->gfid),
- layout->commit_hash, new_hash);
- layout->commit_hash = new_hash;
-
- ret = dht_update_commit_hash_for_layout (frame);
- if (ret) {
- op_errno = ENOTCONN;
- goto err;
- }
- return ret;
- }
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_FIX_LAYOUT_INFO,
- "fixing the layout of %s", loc->path);
-
- ret = dht_fix_directory_layout (frame,
- dht_fix_layout_setxattr_cbk,
- layout);
- if (ret) {
- op_errno = ENOTCONN;
- goto err;
- }
- return ret;
- }
-
- tmp = dict_get (xattr, "distribute.directory-spread-count");
- if (tmp) {
- /* Setxattr value is packed as 'binary', not string */
- memcpy (value, tmp->data, ((tmp->len < 4095)?tmp->len:4095));
- ret = gf_string2uint32 (value, &dir_spread);
- if (!ret && ((dir_spread <= conf->subvolume_cnt) &&
- (dir_spread > 0))) {
- layout->spread_cnt = dir_spread;
-
- ret = dht_fix_directory_layout (frame,
- dht_common_setxattr_cbk,
- layout);
- if (ret) {
- op_errno = ENOTCONN;
- goto err;
- }
- return ret;
- }
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_OPERATION_NOT_SUP,
- "wrong 'directory-spread-count' value (%s)", value);
- op_errno = ENOTSUP;
- goto err;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_REBALANCE_START_FAILED,
+ "%s: failed to create a new rebalance synctask", loc->path);
}
+ op_errno = EINVAL;
+ goto err;
+ }
- tmp = dict_get (xattr, "glusterfs.dht.nuke");
- if (tmp) {
- return dht_nuke_dir (frame, this, loc, tmp);
+ tmp = dict_get(xattr, "decommission-brick");
+ if (tmp) {
+ /* This operation should happen only on '/' */
+ if (!__is_root_gfid(loc->inode->gfid)) {
+ op_errno = ENOTSUP;
+ goto err;
}
- local->xattr_req = xdata ? dict_ref (xdata) : dict_new ();
- if (IA_ISDIR (loc->inode->ia_type)) {
- local->hashed_subvol = NULL;
- ret = dht_dir_common_set_remove_xattr (frame, this, loc, NULL,
- xattr, flags, xdata, &op_errno);
- if (ret)
- goto err;
- } else {
-
- local->rebalance.xattr = dict_ref (xattr);
- local->rebalance.flags = flags;
- local->call_cnt = 1;
-
- ret = dict_set_int8 (local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
+ memcpy(value, tmp->data, min(tmp->len, 4095));
+ local->key = gf_strdup(value);
+ local->call_cnt = conf->subvolume_cnt;
- STACK_WIND_COOKIE (frame, dht_file_setxattr_cbk, subvol,
- subvol, subvol->fops->setxattr, loc, xattr,
- flags, local->xattr_req);
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ /* Get the pathinfo, and then compare */
+ STACK_WIND_COOKIE(frame, dht_checking_pathinfo_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->getxattr, loc,
+ GF_XATTR_PATHINFO_KEY, NULL);
}
-
return 0;
+ }
-err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (setxattr, frame, -1, op_errno, NULL);
-
- return 0;
-}
-
-
-
-
-int
-dht_file_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
-{
- int ret = -1;
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- struct iatt *stbuf = NULL;
- inode_t *inode = NULL;
- xlator_t *subvol1 = NULL, *subvol2 = NULL;
-
- local = frame->local;
- prev = cookie;
-
- local->op_errno = op_errno;
-
- if ((local->fop == GF_FOP_FREMOVEXATTR) &&
- (op_ret == -1) && (op_errno == EBADF) && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
+ tmp = dict_get(xattr, GF_XATTR_FIX_LAYOUT_KEY);
+ if (tmp) {
+ ret = dict_get_uint32(xattr, "new-commit-hash", &new_hash);
+ if (ret == 0) {
+ gf_msg_debug(this->name, 0,
+ "updating commit hash for %s from %u to %u",
+ uuid_utoa(loc->gfid), layout->commit_hash, new_hash);
+ layout->commit_hash = new_hash;
- if ((op_ret == -1) && !dht_inode_missing (op_errno)) {
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto out;
+ ret = dht_update_commit_hash_for_layout(frame);
+ if (ret) {
+ op_errno = ENOTCONN;
+ goto err;
+ }
+ return ret;
}
- if (local->call_cnt != 1)
- goto out;
-
- ret = dict_get_bin (xdata, DHT_IATT_IN_XDATA_KEY, (void **) &stbuf);
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_FIX_LAYOUT_INFO,
+ "fixing the layout of %s", loc->path);
- if ((!op_ret) && !stbuf) {
- goto out;
+ ret = dht_fix_directory_layout(frame, dht_fix_layout_setxattr_cbk,
+ layout);
+ if (ret) {
+ op_errno = ENOTCONN;
+ goto err;
}
+ return ret;
+ }
- local->op_ret = 0;
-
- local->rebalance.target_op_fn = dht_removexattr2;
- if (xdata)
- local->rebalance.xdata = dict_ref (xdata);
+ tmp = dict_get(xattr, "distribute.directory-spread-count");
+ if (tmp) {
+ /* Setxattr value is packed as 'binary', not string */
+ memcpy(value, tmp->data, min(tmp->len, 4095));
+ ret = gf_string2uint32(value, &dir_spread);
+ if (!ret && ((dir_spread <= conf->subvolume_cnt) && (dir_spread > 0))) {
+ layout->spread_cnt = dir_spread;
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (stbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- }
+ ret = dht_fix_directory_layout(frame, dht_common_setxattr_cbk,
+ layout);
+ if (ret) {
+ op_errno = ENOTCONN;
+ goto err;
+ }
+ return ret;
+ }
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_OPERATION_NOT_SUP,
+ "wrong 'directory-spread-count' value (%s)", value);
+ op_errno = ENOTSUP;
+ goto err;
+ }
+
+ tmp = dict_get(xattr, "glusterfs.dht.nuke");
+ if (tmp) {
+ return dht_nuke_dir(frame, this, loc, tmp);
+ }
+ local->xattr_req = xdata ? dict_ref(xdata) : dict_new();
+
+ if (IA_ISDIR(loc->inode->ia_type)) {
+ local->hashed_subvol = NULL;
+ ret = dht_dir_common_set_remove_xattr(frame, this, loc, NULL, xattr,
+ flags, xdata, &op_errno);
+ if (ret)
+ goto err;
+ } else {
+ local->rebalance.xattr = dict_ref(xattr);
+ local->rebalance.flags = flags;
+ local->call_cnt = 1;
- /* Phase 1 of migration */
- if (IS_DHT_MIGRATION_PHASE1 (stbuf)) {
- inode = (local->fd) ? local->fd->inode : local->loc.inode;
+ ret = dict_set_int8(local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
- ret = dht_inode_ctx_get_mig_info (this, inode,
- &subvol1, &subvol2);
- if (!dht_mig_info_is_invalid (local->cached_subvol,
- subvol1, subvol2)) {
- dht_removexattr2 (this, subvol2, frame, 0);
- return 0;
- }
+ STACK_WIND_COOKIE(frame, dht_file_setxattr_cbk, subvol, subvol,
+ subvol->fops->setxattr, loc, xattr, flags,
+ local->xattr_req);
+ }
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
- }
+ return 0;
-out:
- if (local->fop == GF_FOP_REMOVEXATTR) {
- DHT_STACK_UNWIND (removexattr, frame, op_ret, op_errno, NULL);
- } else {
- DHT_STACK_UNWIND (fremovexattr, frame, op_ret, op_errno, NULL);
- }
- return 0;
+err:
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(setxattr, frame, -1, op_errno, NULL);
+ return 0;
}
-int
-dht_removexattr2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame,
- int ret)
+static int
+dht_removexattr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
- if (!frame || !frame->local)
- goto err;
+ if (!frame || !frame->local)
+ goto err;
- local = frame->local;
- op_errno = local->op_errno;
+ local = frame->local;
+ op_errno = local->op_errno;
- local->call_cnt = 2; /* This is the second attempt */
+ local->call_cnt = 2; /* This is the second attempt */
- if (we_are_not_migrating (ret)) {
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(removexattr, frame, local->op_ret, local->op_errno,
+ local->rebalance.xdata);
+ return 0;
+ }
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (removexattr, frame, local->op_ret,
- local->op_errno, local->rebalance.xdata);
- return 0;
- }
+ if (subvol == NULL)
+ goto err;
- if (subvol == NULL)
- goto err;
+ if (local->fop == GF_FOP_REMOVEXATTR) {
+ STACK_WIND_COOKIE(frame, dht_file_removexattr_cbk, subvol, subvol,
+ subvol->fops->removexattr, &local->loc, local->key,
+ local->xattr_req);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_file_removexattr_cbk, subvol, subvol,
+ subvol->fops->fremovexattr, local->fd, local->key,
+ local->xattr_req);
+ }
- if (local->fop == GF_FOP_REMOVEXATTR) {
- STACK_WIND_COOKIE (frame, dht_file_removexattr_cbk, subvol,
- subvol, subvol->fops->removexattr,
- &local->loc, local->key, local->xattr_req);
- } else {
- STACK_WIND_COOKIE (frame, dht_file_removexattr_cbk, subvol,
- subvol, subvol->fops->fremovexattr,
- local->fd, local->key, local->xattr_req);
- }
-
- return 0;
+ return 0;
err:
- DHT_STACK_UNWIND (removexattr, frame, -1, op_errno, NULL);
- return 0;
+ DHT_STACK_UNWIND(removexattr, frame, -1, op_errno, NULL);
+ return 0;
}
-
int
-dht_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+dht_file_removexattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
+ int ret = -1;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ struct iatt *stbuf = NULL;
+ inode_t *inode = NULL;
+ xlator_t *subvol1 = NULL, *subvol2 = NULL;
- local = frame->local;
- prev = cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto unlock;
- }
+ local = frame->local;
+ prev = cookie;
- local->op_ret = 0;
- }
-unlock:
- UNLOCK (&frame->lock);
-
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- DHT_STACK_UNWIND (removexattr, frame, local->op_ret,
- local->op_errno, NULL);
- }
+ local->op_errno = op_errno;
+ if ((local->fop == GF_FOP_FREMOVEXATTR) &&
+ dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
return 0;
-}
-
+ }
-int
-dht_removexattr (call_frame_t *frame, xlator_t *this,
- loc_t *loc, const char *key, dict_t *xdata)
-{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- int call_cnt = 0;
- dht_conf_t *conf = NULL;
- int ret = 0;
-
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (this->private, err);
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto out;
+ }
- conf = this->private;
+ if (local->call_cnt != 1)
+ goto out;
- GF_IF_NATIVE_XATTR_GOTO (conf->wild_xattr_name, key, op_errno, err);
+ ret = dict_get_bin(xdata, DHT_IATT_IN_XDATA_KEY, (void **)&stbuf);
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
+ if ((!op_ret) && !stbuf) {
+ goto out;
+ }
- local = dht_local_init (frame, loc, NULL, GF_FOP_REMOVEXATTR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ local->op_ret = 0;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
+ local->rebalance.target_op_fn = dht_removexattr2;
+ if (xdata)
+ local->rebalance.xdata = dict_ref(xdata);
- layout = local->layout;
- if (!local->layout) {
- gf_msg_debug (this->name, 0,
- "no layout for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
- local->xattr_req = (xdata) ? dict_ref (xdata) : dict_new ();
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(stbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
- local->call_cnt = call_cnt = layout->cnt;
- local->key = gf_strdup (key);
+ /* Phase 1 of migration */
+ if (IS_DHT_MIGRATION_PHASE1(stbuf)) {
+ inode = (local->fd) ? local->fd->inode : local->loc.inode;
- if (key &&
- (strncmp (key, conf->mds_xattr_key, strlen(key)) == 0)) {
- op_errno = ENOTSUP;
- goto err;
+ ret = dht_inode_ctx_get_mig_info(this, inode, &subvol1, &subvol2);
+ if (!dht_mig_info_is_invalid(local->cached_subvol, subvol1, subvol2)) {
+ dht_removexattr2(this, subvol2, frame, 0);
+ return 0;
}
- if (IA_ISDIR (loc->inode->ia_type)) {
- local->hashed_subvol = NULL;
- ret = dht_dir_common_set_remove_xattr (frame, this, loc, NULL,
- NULL, 0, local->xattr_req, &op_errno);
- if (ret)
- goto err;
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
- } else {
-
- local->call_cnt = 1;
- ret = dict_set_int8 (local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_DICT_SET_FAILED, "Failed to "
- "set dictionary key %s for %s",
- DHT_IATT_IN_XDATA_KEY, loc->path);
- }
+out:
+ if (local->fop == GF_FOP_REMOVEXATTR) {
+ DHT_STACK_UNWIND(removexattr, frame, op_ret, op_errno, xdata);
+ } else {
+ DHT_STACK_UNWIND(fremovexattr, frame, op_ret, op_errno, xdata);
+ }
+ return 0;
+}
+
+int
+dht_removexattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *key, dict_t *xdata)
+{
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int call_cnt = 0;
+ dht_conf_t *conf = NULL;
+ int ret = 0;
+
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ GF_IF_NATIVE_XATTR_GOTO(conf->wild_xattr_name, key, op_errno, err);
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_REMOVEXATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for path=%s",
+ loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!local->layout) {
+ gf_msg_debug(this->name, 0, "no layout for path=%s", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+ local->xattr_req = (xdata) ? dict_ref(xdata) : dict_new();
+
+ local->call_cnt = call_cnt = layout->cnt;
+ local->key = gf_strdup(key);
+
+ if (key && (strncmp(key, conf->mds_xattr_key, strlen(key)) == 0)) {
+ op_errno = ENOTSUP;
+ goto err;
+ }
+
+ if (IA_ISDIR(loc->inode->ia_type)) {
+ local->hashed_subvol = NULL;
+ ret = dht_dir_common_set_remove_xattr(frame, this, loc, NULL, NULL, 0,
+ local->xattr_req, &op_errno);
+ if (ret)
+ goto err;
- STACK_WIND_COOKIE (frame, dht_file_removexattr_cbk, subvol,
- subvol, subvol->fops->removexattr, loc, key,
- local->xattr_req);
+ } else {
+ local->call_cnt = 1;
+ ret = dict_set_int8(local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to "
+ "set dictionary key %s for %s",
+ DHT_IATT_IN_XDATA_KEY, loc->path);
}
- return 0;
+ STACK_WIND_COOKIE(frame, dht_file_removexattr_cbk, subvol, subvol,
+ subvol->fops->removexattr, loc, key,
+ local->xattr_req);
+ }
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (removexattr, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(removexattr, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
int
-dht_fremovexattr (call_frame_t *frame, xlator_t *this,
- fd_t *fd, const char *key, dict_t *xdata)
+dht_fremovexattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- int call_cnt = 0;
- dht_conf_t *conf = 0;
- int ret = 0;
-
-
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- GF_IF_NATIVE_XATTR_GOTO (conf->wild_xattr_name, key, op_errno, err);
-
- VALIDATE_OR_GOTO (frame, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FREMOVEXATTR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for inode=%s",
- uuid_utoa (fd->inode->gfid));
- op_errno = EINVAL;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int call_cnt = 0;
+ dht_conf_t *conf = 0;
+ int ret = 0;
+
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ GF_IF_NATIVE_XATTR_GOTO(conf->wild_xattr_name, key, op_errno, err);
+
+ VALIDATE_OR_GOTO(frame, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FREMOVEXATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for inode=%s",
+ uuid_utoa(fd->inode->gfid));
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!local->layout) {
+ gf_msg_debug(this->name, 0, "no layout for inode=%s",
+ uuid_utoa(fd->inode->gfid));
+ op_errno = EINVAL;
+ goto err;
+ }
+ local->xattr_req = xdata ? dict_ref(xdata) : dict_new();
+
+ local->call_cnt = call_cnt = layout->cnt;
+ local->key = gf_strdup(key);
+
+ if (IA_ISDIR(fd->inode->ia_type)) {
+ local->hashed_subvol = NULL;
+ ret = dht_dir_common_set_remove_xattr(frame, this, NULL, fd, NULL, 0,
+ local->xattr_req, &op_errno);
+ if (ret)
+ goto err;
- layout = local->layout;
- if (!local->layout) {
- gf_msg_debug (this->name, 0,
- "no layout for inode=%s",
- uuid_utoa (fd->inode->gfid));
- op_errno = EINVAL;
- goto err;
+ } else {
+ local->call_cnt = 1;
+ ret = dict_set_int8(local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to "
+ "set dictionary key %s for fd=%p",
+ DHT_IATT_IN_XDATA_KEY, fd);
}
- local->xattr_req = xdata ? dict_ref (xdata) : dict_new ();
-
- local->call_cnt = call_cnt = layout->cnt;
- local->key = gf_strdup (key);
- if (IA_ISDIR (fd->inode->ia_type)) {
- local->hashed_subvol = NULL;
- ret = dht_dir_common_set_remove_xattr (frame, this, NULL, fd,
- NULL, 0, local->xattr_req, &op_errno);
- if (ret)
- goto err;
+ STACK_WIND_COOKIE(frame, dht_file_removexattr_cbk, subvol, subvol,
+ subvol->fops->fremovexattr, fd, key,
+ local->xattr_req);
+ }
- } else {
-
- local->call_cnt = 1;
- ret = dict_set_int8 (local->xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_DICT_SET_FAILED, "Failed to "
- "set dictionary key %s for fd=%p",
- DHT_IATT_IN_XDATA_KEY, fd);
- }
-
- STACK_WIND_COOKIE (frame, dht_file_removexattr_cbk, subvol,
- subvol, subvol->fops->fremovexattr, fd, key,
- local->xattr_req);
- }
-
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fremovexattr, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fremovexattr, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
-
int
-dht_fd_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, fd_t *fd, dict_t *xdata)
+dht_fd_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, fd_t *fd, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
- local = frame->local;
- prev = cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto unlock;
- }
+ local = frame->local;
+ prev = cookie;
- local->op_ret = 0;
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto post_unlock;
}
-unlock:
- UNLOCK (&frame->lock);
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt))
- DHT_STACK_UNWIND (open, frame, local->op_ret, local->op_errno,
- local->fd, NULL);
+ local->op_ret = 0;
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt))
+ DHT_STACK_UNWIND(open, frame, local->op_ret, local->op_errno, local->fd,
+ NULL);
- return 0;
+ return 0;
}
/*
* dht_normalize_stats -
*/
-void
-dht_normalize_stats (struct statvfs *buf, unsigned long bsize,
- unsigned long frsize)
+static void
+dht_normalize_stats(struct statvfs *buf, unsigned long bsize,
+ unsigned long frsize)
{
- double factor = 0;
-
- if (buf->f_bsize != bsize) {
- buf->f_bsize = bsize;
- }
+ double factor = 0;
- if (buf->f_frsize != frsize) {
- factor = ((double) buf->f_frsize) / frsize;
- buf->f_frsize = frsize;
- buf->f_blocks = (fsblkcnt_t) (factor * buf->f_blocks);
- buf->f_bfree = (fsblkcnt_t) (factor * buf->f_bfree);
- buf->f_bavail = (fsblkcnt_t) (factor * buf->f_bavail);
+ if (buf->f_bsize != bsize) {
+ buf->f_bsize = bsize;
+ }
- }
+ if (buf->f_frsize != frsize) {
+ factor = ((double)buf->f_frsize) / frsize;
+ buf->f_frsize = frsize;
+ buf->f_blocks = (fsblkcnt_t)(factor * buf->f_blocks);
+ buf->f_bfree = (fsblkcnt_t)(factor * buf->f_bfree);
+ buf->f_bavail = (fsblkcnt_t)(factor * buf->f_bavail);
+ }
}
-int
-dht_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct statvfs *statvfs,
- dict_t *xdata)
-{
-
- gf_boolean_t event = _gf_false;
- qdstatfs_action_t action = qdstatfs_action_OFF;
- dht_local_t * local = NULL;
- int this_call_cnt = 0;
- int bsize = 0;
- int frsize = 0;
- GF_UNUSED int ret = 0;
- unsigned long new_usage = 0;
- unsigned long cur_usage = 0;
-
- local = frame->local;
- GF_ASSERT (local);
-
- if (xdata)
- ret = dict_get_int8 (xdata, "quota-deem-statfs",
- (int8_t *)&event);
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- goto unlock;
- }
- if (!statvfs) {
- op_errno = EINVAL;
- local->op_ret = -1;
- goto unlock;
- }
- local->op_ret = 0;
-
- if (local->quota_deem_statfs) {
- if (event == _gf_true) {
- action = qdstatfs_action_COMPARE;
- } else {
- action = qdstatfs_action_NEGLECT;
- }
- } else {
- if (event == _gf_true) {
- action = qdstatfs_action_REPLACE;
- local->quota_deem_statfs = _gf_true;
- }
- }
-
- if (local->quota_deem_statfs) {
- switch (action) {
- case qdstatfs_action_NEGLECT:
- goto unlock;
-
- case qdstatfs_action_REPLACE:
- local->statvfs = *statvfs;
- goto unlock;
-
- case qdstatfs_action_COMPARE:
- new_usage = statvfs->f_blocks -
- statvfs->f_bfree;
- cur_usage = local->statvfs.f_blocks -
- local->statvfs.f_bfree;
+static int
+dht_statfs_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct statvfs *statvfs, dict_t *xdata)
+{
+ gf_boolean_t event = _gf_false;
+ qdstatfs_action_t action = qdstatfs_action_OFF;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ int bsize = 0;
+ int frsize = 0;
+ GF_UNUSED int ret = 0;
+ unsigned long new_usage = 0;
+ unsigned long cur_usage = 0;
+
+ local = frame->local;
+ GF_ASSERT(local);
+
+ if (xdata)
+ ret = dict_get_int8(xdata, "quota-deem-statfs", (int8_t *)&event);
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ goto unlock;
+ }
+ if (!statvfs) {
+ op_errno = EINVAL;
+ local->op_ret = -1;
+ goto unlock;
+ }
+ local->op_ret = 0;
- /* Take the max of the usage from subvols */
- if (new_usage >= cur_usage)
- local->statvfs = *statvfs;
- goto unlock;
+ if (local->quota_deem_statfs) {
+ if (event == _gf_true) {
+ action = qdstatfs_action_COMPARE;
+ } else {
+ action = qdstatfs_action_NEGLECT;
+ }
+ } else {
+ if (event == _gf_true) {
+ action = qdstatfs_action_REPLACE;
+ local->quota_deem_statfs = _gf_true;
+ }
+ }
- default:
- break;
- }
- }
+ if (local->quota_deem_statfs) {
+ switch (action) {
+ case qdstatfs_action_NEGLECT:
+ goto unlock;
- if (local->statvfs.f_bsize != 0) {
- bsize = max(local->statvfs.f_bsize, statvfs->f_bsize);
- frsize = max(local->statvfs.f_frsize, statvfs->f_frsize);
- dht_normalize_stats(&local->statvfs, bsize, frsize);
- dht_normalize_stats(statvfs, bsize, frsize);
- } else {
- local->statvfs.f_bsize = statvfs->f_bsize;
- local->statvfs.f_frsize = statvfs->f_frsize;
- }
+ case qdstatfs_action_REPLACE:
+ local->statvfs = *statvfs;
+ goto unlock;
- local->statvfs.f_blocks += statvfs->f_blocks;
- local->statvfs.f_bfree += statvfs->f_bfree;
- local->statvfs.f_bavail += statvfs->f_bavail;
- local->statvfs.f_files += statvfs->f_files;
- local->statvfs.f_ffree += statvfs->f_ffree;
- local->statvfs.f_favail += statvfs->f_favail;
- local->statvfs.f_fsid = statvfs->f_fsid;
- local->statvfs.f_flag = statvfs->f_flag;
- local->statvfs.f_namemax = statvfs->f_namemax;
+ case qdstatfs_action_COMPARE:
+ new_usage = statvfs->f_blocks - statvfs->f_bfree;
+ cur_usage = local->statvfs.f_blocks -
+ local->statvfs.f_bfree;
+ /* Take the max of the usage from subvols */
+ if (new_usage >= cur_usage)
+ local->statvfs = *statvfs;
+ goto unlock;
+ default:
+ break;
+ }
}
-unlock:
- UNLOCK (&frame->lock);
+ if (local->statvfs.f_bsize != 0) {
+ bsize = max(local->statvfs.f_bsize, statvfs->f_bsize);
+ frsize = max(local->statvfs.f_frsize, statvfs->f_frsize);
+ dht_normalize_stats(&local->statvfs, bsize, frsize);
+ dht_normalize_stats(statvfs, bsize, frsize);
+ } else {
+ local->statvfs.f_bsize = statvfs->f_bsize;
+ local->statvfs.f_frsize = statvfs->f_frsize;
+ }
+
+ local->statvfs.f_blocks += statvfs->f_blocks;
+ local->statvfs.f_bfree += statvfs->f_bfree;
+ local->statvfs.f_bavail += statvfs->f_bavail;
+ local->statvfs.f_files += statvfs->f_files;
+ local->statvfs.f_ffree += statvfs->f_ffree;
+ local->statvfs.f_favail += statvfs->f_favail;
+ local->statvfs.f_fsid = statvfs->f_fsid;
+ local->statvfs.f_flag = statvfs->f_flag;
+ local->statvfs.f_namemax = statvfs->f_namemax;
+ }
+unlock:
+ UNLOCK(&frame->lock);
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt))
- DHT_STACK_UNWIND (statfs, frame, local->op_ret, local->op_errno,
- &local->statvfs, xdata);
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt))
+ DHT_STACK_UNWIND(statfs, frame, local->op_ret, local->op_errno,
+ &local->statvfs, xdata);
- return 0;
+ return 0;
}
-
int
-dht_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int op_errno = -1;
- int i = -1;
- inode_t *inode = NULL;
- inode_table_t *itable = NULL;
- uuid_t root_gfid = {0, };
- loc_t newloc = {0, };
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- local = dht_local_init (frame, NULL, NULL, GF_FOP_STATFS);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+dht_statfs(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int op_errno = -1;
+ int i = -1;
+ inode_t *inode = NULL;
+ inode_table_t *itable = NULL;
+ static uuid_t root_gfid = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
+ loc_t newloc = {
+ 0,
+ };
- if (loc->inode && !IA_ISDIR (loc->inode->ia_type)) {
- itable = loc->inode->table;
- if (!itable) {
- op_errno = EINVAL;
- goto err;
- }
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(this->private, err);
- loc = &local->loc2;
- root_gfid[15] = 1;
+ conf = this->private;
- inode = inode_find (itable, root_gfid);
- if (!inode) {
- op_errno = EINVAL;
- goto err;
- }
+ local = dht_local_init(frame, NULL, NULL, GF_FOP_STATFS);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- dht_build_root_loc (inode, &newloc);
- loc = &newloc;
+ if (loc->inode && !IA_ISDIR(loc->inode->ia_type)) {
+ itable = loc->inode->table;
+ if (!itable) {
+ op_errno = EINVAL;
+ goto err;
}
- local->call_cnt = conf->subvolume_cnt;
+ loc = &local->loc2;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- STACK_WIND (frame, dht_statfs_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->statfs, loc,
- xdata);
+ inode = inode_find(itable, root_gfid);
+ if (!inode) {
+ op_errno = EINVAL;
+ goto err;
}
- return 0;
+
+ dht_build_root_loc(inode, &newloc);
+ loc = &newloc;
+ }
+
+ local->call_cnt = conf->subvolume_cnt;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ STACK_WIND(frame, dht_statfs_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->statfs, loc, xdata);
+ }
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (statfs, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(statfs, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd,
- dict_t *xdata)
+dht_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int op_errno = -1;
- int i = -1;
- int ret = 0;
- gf_boolean_t new_xdata = _gf_false;
- xlator_t **subvolumes = NULL;
- int call_count = 0;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- local = dht_local_init (frame, loc, fd, GF_FOP_OPENDIR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
- local->first_up_subvol = dht_first_up_subvol (this);
-
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int op_errno = -1;
+ int i = -1;
+ int ret = 0;
+ gf_boolean_t new_xdata = _gf_false;
+ xlator_t **subvolumes = NULL;
+ int call_count = 0;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ local = dht_local_init(frame, loc, fd, GF_FOP_OPENDIR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+ local->first_up_subvol = dht_first_up_subvol(this);
+
+ if (!xdata) {
+ xdata = dict_new();
if (!xdata) {
- xdata = dict_new ();
- if (!xdata) {
- op_errno = ENOMEM;
- goto err;
- }
- new_xdata = _gf_true;
+ op_errno = ENOMEM;
+ goto err;
+ }
+ new_xdata = _gf_true;
+ }
+
+ ret = dict_set_uint32(xdata, conf->link_xattr_name, 256);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value : key = %s",
+ conf->link_xattr_name);
+
+ /* dht_readdirp will wind to all subvols so open has to be sent to
+ * all subvols whether or not conf->local_subvols is set */
+
+ call_count = local->call_cnt = conf->subvolume_cnt;
+ subvolumes = conf->subvolumes;
+
+ /* In case of parallel-readdir, the readdir-ahead will be loaded
+ * below dht, in this case, if we want to enable or disable SKIP_DIRs
+ * it has to be done in opendir, so that prefetching logic in
+ * readdir-ahead, honors it */
+ for (i = 0; i < call_count; i++) {
+ if (conf->readdir_optimize == _gf_true) {
+ if (subvolumes[i] != local->first_up_subvol) {
+ ret = dict_set_int32(xdata, GF_READDIR_SKIP_DIRS, 1);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary"
+ " value :key = %s, ret:%d",
+ GF_READDIR_SKIP_DIRS, ret);
+ }
}
- ret = dict_set_uint32 (xdata, conf->link_xattr_name, 256);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value : key = %s",
- conf->link_xattr_name);
-
- /* dht_readdirp will wind to all subvols so open has to be sent to
- * all subvols whether or not conf->local_subvols is set */
-
- call_count = local->call_cnt = conf->subvolume_cnt;
- subvolumes = conf->subvolumes;
-
- /* In case of parallel-readdir, the readdir-ahead will be loaded
- * below dht, in this case, if we want to enable or disable SKIP_DIRs
- * it has to be done in opendir, so that prefetching logic in
- * readdir-ahead, honors it */
- for (i = 0; i < call_count; i++) {
- if (conf->readdir_optimize == _gf_true) {
- if (subvolumes[i] != local->first_up_subvol) {
- ret = dict_set_int32 (xdata,
- GF_READDIR_SKIP_DIRS, 1);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary"
- " value :key = %s, ret:%d",
- GF_READDIR_SKIP_DIRS, ret);
- }
- }
+ STACK_WIND_COOKIE(frame, dht_fd_cbk, subvolumes[i], subvolumes[i],
+ subvolumes[i]->fops->opendir, loc, fd, xdata);
+ dict_del(xdata, GF_READDIR_SKIP_DIRS);
+ }
- STACK_WIND_COOKIE (frame, dht_fd_cbk,
- subvolumes[i],
- subvolumes[i],
- subvolumes[i]->fops->opendir,
- loc, fd, xdata);
- dict_del (xdata, GF_READDIR_SKIP_DIRS);
- }
+ if (new_xdata)
+ dict_unref(xdata);
- if (new_xdata)
- dict_unref (xdata);
-
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (opendir, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(opendir, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
/* dht_readdirp_cbk creates a new dentry and dentry->inode is not assigned.
- This functions assigns an inode if all of the following conditions are true:
+ This functions assigns an inode if all of the following conditions are
+ true:
- * DHT has only one child. In this case the entire layout is present on this
- single child and hence we can set complete layout in inode.
- * backend has complete layout and there are no anomalies in it and from this
- information layout can be constructed and set in inode.
+ * DHT has only one child. In this case the entire layout is present on
+ this single child and hence we can set complete layout in inode.
+ * backend has complete layout and there are no anomalies in it and from
+ this information layout can be constructed and set in inode.
*/
-void
-dht_populate_inode_for_dentry (xlator_t *this, xlator_t *subvol,
- gf_dirent_t *entry, gf_dirent_t *orig_entry)
+static void
+dht_populate_inode_for_dentry(xlator_t *this, xlator_t *subvol,
+ gf_dirent_t *entry, gf_dirent_t *orig_entry)
{
- dht_layout_t *layout = NULL;
- int ret = 0;
- loc_t loc = {0, };
+ dht_layout_t *layout = NULL;
+ int ret = 0;
+ loc_t loc = {
+ 0,
+ };
- if (gf_uuid_is_null (orig_entry->d_stat.ia_gfid)) {
- /* this skips the '..' entry for the root of the volume */
- return;
- }
+ if (gf_uuid_is_null(orig_entry->d_stat.ia_gfid)) {
+ /* this skips the '..' entry for the root of the volume */
+ return;
+ }
- gf_uuid_copy (loc.gfid, orig_entry->d_stat.ia_gfid);
- loc.inode = inode_ref (orig_entry->inode);
+ gf_uuid_copy(loc.gfid, orig_entry->d_stat.ia_gfid);
+ loc.inode = inode_ref(orig_entry->inode);
- if (is_revalidate (&loc)) {
- goto out;
- }
-
- layout = dht_layout_new (this, 1);
- if (!layout)
- goto out;
+ if (is_revalidate(&loc)) {
+ goto out;
+ }
- ret = dht_layout_merge (this, layout, subvol, 0, 0, orig_entry->dict);
- if (!ret) {
- ret = dht_layout_normalize (this, &loc, layout);
- if (ret == 0) {
- dht_layout_set (this, orig_entry->inode, layout);
- entry->inode = inode_ref (orig_entry->inode);
- layout = NULL;
- }
+ layout = dht_layout_new(this, 1);
+ if (!layout)
+ goto out;
+ ret = dht_layout_merge(this, layout, subvol, 0, 0, orig_entry->dict);
+ if (!ret) {
+ ret = dht_layout_normalize(this, &loc, layout);
+ if (ret == 0) {
+ dht_layout_set(this, orig_entry->inode, layout);
+ entry->inode = inode_ref(orig_entry->inode);
+ layout = NULL;
}
+ }
- if (layout)
- dht_layout_unref (this, layout);
+ if (layout)
+ dht_layout_unref(this, layout);
out:
- loc_wipe (&loc);
- return;
+ loc_wipe(&loc);
+ return;
}
-
-/* Posix returns op_errno = ENOENT to indicate that there are no more entries
+/* Posix returns op_errno = ENOENT to indicate that there are no more
+ * entries
*/
-int
-dht_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
- int op_errno, gf_dirent_t *orig_entries, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- gf_dirent_t entries;
- gf_dirent_t *orig_entry = NULL;
- gf_dirent_t *entry = NULL;
- xlator_t *prev = NULL;
- xlator_t *next_subvol = NULL;
- off_t next_offset = 0;
- int count = 0;
- dht_layout_t *layout = NULL;
- dht_conf_t *conf = NULL;
- dht_methods_t *methods = NULL;
- xlator_t *subvol = 0;
- xlator_t *hashed_subvol = 0;
- int ret = 0;
- int readdir_optimize = 0;
- inode_table_t *itable = NULL;
- inode_t *inode = NULL;
-
- INIT_LIST_HEAD (&entries.list);
-
- prev = cookie;
- local = frame->local;
- itable = local->fd ? local->fd->inode->table : NULL;
+static int
+dht_readdirp_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, gf_dirent_t *orig_entries, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ gf_dirent_t entries;
+ gf_dirent_t *orig_entry = NULL;
+ gf_dirent_t *entry = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *next_subvol = NULL;
+ off_t next_offset = 0;
+ int count = 0;
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
+ dht_methods_t *methods = NULL;
+ xlator_t *subvol = 0;
+ xlator_t *hashed_subvol = 0;
+ int ret = 0;
+ int readdir_optimize = 0;
+ inode_table_t *itable = NULL;
+ inode_t *inode = NULL;
+ gf_boolean_t skip_hashed_check = _gf_false;
+
+ INIT_LIST_HEAD(&entries.list);
+
+ prev = cookie;
+ local = frame->local;
+ GF_VALIDATE_OR_GOTO(this->name, local->fd, unwind);
+
+ itable = local->fd->inode->table;
+
+ conf = this->private;
+ GF_VALIDATE_OR_GOTO(this->name, conf, unwind);
+
+ methods = &(conf->methods);
+
+ if (op_ret <= 0) {
+ goto done;
+ }
+
+ /* Why aren't we skipping DHT entirely in case of a single subvol?
+ * Because if this was a larger volume earlier and all but one subvol
+ * was removed, there might be stale linkto files on the subvol.
+ */
+ if (conf->subvolume_cnt == 1) {
+ /* return all directory and file entries except
+ * linkto files for a single child DHT
+ */
+ skip_hashed_check = _gf_true;
+ }
- conf = this->private;
- GF_VALIDATE_OR_GOTO(this->name, conf, unwind);
+ if (!local->layout)
+ local->layout = dht_layout_get(this, local->fd->inode);
- methods = &(conf->methods);
+ layout = local->layout;
- if (op_ret <= 0)
- goto done;
+ /* This will skip the entries on the subvol without a layout,
+ * hence preventing the crash but rmdir might fail with
+ * "directory not empty" errors*/
- if (!local->layout)
- local->layout = dht_layout_get (this, local->fd->inode);
+ if (layout == NULL)
+ goto done;
- layout = local->layout;
+ if (conf->readdir_optimize == _gf_true)
+ readdir_optimize = 1;
- /* We have seen crashes in while running "rm -rf" on tier volumes
- when the layout was NULL on the hot tier. This will skip the
- entries on the subvol without a layout, hence preventing the crash
- but rmdir might fail with "directory not empty" errors*/
+ gf_msg_debug(this->name, 0, "Processing entries from %s", prev->name);
- if (layout == NULL)
- goto done;
+ list_for_each_entry(orig_entry, (&orig_entries->list), list)
+ {
+ next_offset = orig_entry->d_off;
- if (conf->readdir_optimize == _gf_true)
- readdir_optimize = 1;
+ gf_msg_debug(this->name, 0, "%s: entry = %s, type = %d", prev->name,
+ orig_entry->d_name, orig_entry->d_type);
- gf_msg_debug (this->name, 0, "Processing entries from %s",
- prev->name);
+ if (IA_ISINVAL(orig_entry->d_stat.ia_type)) {
+ /*stat failed somewhere- display this entry but the data may
+ * be inaccurate.
+ */
+ gf_msg_debug(this->name, EINVAL, "Invalid stat for %s (gfid %s)",
+ orig_entry->d_name,
+ uuid_utoa(orig_entry->d_stat.ia_gfid));
+ }
- list_for_each_entry (orig_entry, (&orig_entries->list), list) {
- next_offset = orig_entry->d_off;
+ if (check_is_linkfile(NULL, (&orig_entry->d_stat), orig_entry->dict,
+ conf->link_xattr_name)) {
+ gf_msg_debug(this->name, 0, "%s: %s is a linkto file", prev->name,
+ orig_entry->d_name);
+ continue;
+ }
- gf_msg_debug (this->name, 0, "%s: entry = %s, type = %d",
- prev->name, orig_entry->d_name,
- orig_entry->d_type);
+ if (skip_hashed_check) {
+ goto list;
+ }
- if (IA_ISINVAL(orig_entry->d_stat.ia_type)) {
- /*stat failed somewhere- ignore this entry*/
- gf_msg_debug (this->name, EINVAL,
- "Invalid stat, ignoring entry "
- "%s gfid %s", orig_entry->d_name,
- uuid_utoa (orig_entry->d_stat.ia_gfid));
- continue;
- }
+ if (check_is_dir(NULL, (&orig_entry->d_stat), NULL)) {
+ /*Directory entries filtering :
+ * a) If rebalance is running, pick from first_up_subvol
+ * b) (rebalance not running)hashed subvolume is NULL or
+ * down then filter in first_up_subvolume. Other wise the
+ * corresponding hashed subvolume will take care of the
+ * directory entry.
+ */
+ if (readdir_optimize) {
+ if (prev == local->first_up_subvol)
+ goto list;
+ else
+ continue;
+ }
- if (check_is_dir (NULL, (&orig_entry->d_stat), NULL)) {
+ hashed_subvol = methods->layout_search(this, layout,
+ orig_entry->d_name);
- /*Directory entries filtering :
- * a) If rebalance is running, pick from first_up_subvol
- * b) (rebalance not running)hashed subvolume is NULL or
- * down then filter in first_up_subvolume. Other wise the
- * corresponding hashed subvolume will take care of the
- * directory entry.
- */
- if (readdir_optimize) {
- if (prev == local->first_up_subvol)
- goto list;
- else
- continue;
+ if (prev == hashed_subvol)
+ goto list;
+ if ((hashed_subvol && dht_subvol_status(conf, hashed_subvol)) ||
+ (prev != local->first_up_subvol))
+ continue;
- }
+ goto list;
+ }
- hashed_subvol = methods->layout_search (this, layout,
- orig_entry->d_name);
+ list:
+ entry = gf_dirent_for_name(orig_entry->d_name);
+ if (!entry) {
+ goto unwind;
+ }
- if (prev == hashed_subvol)
- goto list;
- if ((hashed_subvol
- && dht_subvol_status (conf, hashed_subvol))
- || (prev != local->first_up_subvol))
- continue;
+ /* Do this if conf->search_unhashed is set to "auto" */
+ if (conf->search_unhashed == GF_DHT_LOOKUP_UNHASHED_AUTO) {
+ subvol = methods->layout_search(this, layout, orig_entry->d_name);
+ if (!subvol || (subvol != prev)) {
+ /* TODO: Count the number of entries which need
+ linkfile to prove its existence in fs */
+ layout->search_unhashed++;
+ }
+ }
- goto list;
- }
+ entry->d_off = orig_entry->d_off;
+ entry->d_stat = orig_entry->d_stat;
+ entry->d_ino = orig_entry->d_ino;
+ entry->d_type = orig_entry->d_type;
+ entry->d_len = orig_entry->d_len;
- if (check_is_linkfile (NULL, (&orig_entry->d_stat),
- orig_entry->dict,
- conf->link_xattr_name)) {
- gf_msg_debug (this->name, 0, "%s: %s is a linkto file",
- prev->name, orig_entry->d_name);
- continue;
- }
+ if (orig_entry->dict)
+ entry->dict = dict_ref(orig_entry->dict);
-list:
- entry = gf_dirent_for_name (orig_entry->d_name);
- if (!entry) {
- goto unwind;
- }
+ /* making sure we set the inode ctx right with layout,
+ currently possible only for non-directories, so for
+ directories don't set entry inodes */
+ if (IA_ISDIR(entry->d_stat.ia_type)) {
+ entry->d_stat.ia_blocks = DHT_DIR_STAT_BLOCKS;
+ entry->d_stat.ia_size = DHT_DIR_STAT_SIZE;
+ if (orig_entry->inode) {
+ dht_inode_ctx_time_update(orig_entry->inode, this,
+ &entry->d_stat, 1);
- /* Do this if conf->search_unhashed is set to "auto" */
- if (conf->search_unhashed == GF_DHT_LOOKUP_UNHASHED_AUTO) {
- subvol = methods->layout_search (this, layout,
- orig_entry->d_name);
- if (!subvol || (subvol != prev)) {
- /* TODO: Count the number of entries which need
- linkfile to prove its existence in fs */
- layout->search_unhashed++;
- }
+ if (conf->subvolume_cnt == 1) {
+ dht_populate_inode_for_dentry(this, prev, entry,
+ orig_entry);
}
+ }
+ } else {
+ if (orig_entry->dict &&
+ dict_get(orig_entry->dict, conf->link_xattr_name)) {
+ /* Strip out the S and T flags set by rebalance*/
+ DHT_STRIP_PHASE1_FLAGS(&entry->d_stat);
+ }
- entry->d_off = orig_entry->d_off;
- entry->d_stat = orig_entry->d_stat;
- entry->d_ino = orig_entry->d_ino;
- entry->d_type = orig_entry->d_type;
- entry->d_len = orig_entry->d_len;
-
- if (orig_entry->dict)
- entry->dict = dict_ref (orig_entry->dict);
-
- /* making sure we set the inode ctx right with layout,
- currently possible only for non-directories, so for
- directories don't set entry inodes */
- if (IA_ISDIR(entry->d_stat.ia_type)) {
- entry->d_stat.ia_blocks = DHT_DIR_STAT_BLOCKS;
- entry->d_stat.ia_size = DHT_DIR_STAT_SIZE;
- if (orig_entry->inode) {
- dht_inode_ctx_time_update (orig_entry->inode,
- this, &entry->d_stat,
- 1);
-
- if (conf->subvolume_cnt == 1) {
- dht_populate_inode_for_dentry (this,
- prev,
- entry,
- orig_entry);
- }
-
- }
- } else {
- if (orig_entry->inode) {
- ret = dht_layout_preset (this, prev,
- orig_entry->inode);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_SET_FAILED,
- "failed to link the layout "
- "in inode for %s",
- orig_entry->d_name);
-
- entry->inode = inode_ref (orig_entry->inode);
- } else if (itable) {
- /*
- * orig_entry->inode might be null if any upper
- * layer xlators below client set to null, to
- * force a lookup on the inode even if the inode
- * is present in the inode table. In that case
- * we just update the ctx to make sure we didn't
- * missed anything.
- */
- inode = inode_find (itable,
- orig_entry->d_stat.ia_gfid);
- if (inode) {
- ret = dht_layout_preset
- (this, prev,
- inode);
- if (ret)
- gf_msg (this->name,
- GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_SET_FAILED,
- "failed to link the layout"
- " in inode for %s",
- orig_entry->d_name);
- inode_unref (inode);
- inode = NULL;
- }
- }
+ if (orig_entry->inode) {
+ ret = dht_layout_preset(this, prev, orig_entry->inode);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_LAYOUT_SET_FAILED,
+ "failed to link the layout "
+ "in inode for %s",
+ orig_entry->d_name);
+
+ entry->inode = inode_ref(orig_entry->inode);
+ } else if (itable) {
+ /*
+ * orig_entry->inode might be null if any upper
+ * layer xlators below client set to null, to
+ * force a lookup on the inode even if the inode
+ * is present in the inode table. In that case
+ * we just update the ctx to make sure we didn't
+ * missed anything.
+ */
+ inode = inode_find(itable, orig_entry->d_stat.ia_gfid);
+ if (inode) {
+ ret = dht_layout_preset(this, prev, inode);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_LAYOUT_SET_FAILED,
+ "failed to link the layout"
+ " in inode for %s",
+ orig_entry->d_name);
+ inode_unref(inode);
+ inode = NULL;
}
+ }
+ }
- gf_msg_debug (this->name, 0, "%s: Adding entry = %s",
- prev->name, entry->d_name);
+ gf_msg_debug(this->name, 0, "%s: Adding entry = %s", prev->name,
+ entry->d_name);
- list_add_tail (&entry->list, &entries.list);
- count++;
- }
+ list_add_tail(&entry->list, &entries.list);
+ count++;
+ }
done:
- /* We need to ensure that only the last subvolume's end-of-directory
- * notification is respected so that directory reading does not stop
- * before all subvolumes have been read. That could happen because the
- * posix for each subvolume sends a ENOENT on end-of-directory but in
- * distribute we're not concerned only with a posix's view of the
- * directory but the aggregated namespace' view of the directory.
- * Possible values:
- * op_ret == 0 and op_errno != 0
- * if op_errno != ENOENT : Error.Unwind.
- * if op_errno == ENOENT : There are no more entries on this subvol.
- * Move to the next one.
- * op_ret > 0 and count == 0 :
- * The subvol returned entries to dht but all were stripped out.
- * For example, if they were linkto files or dirs where
- * hashed_subvol != prev. Try to get some entries by winding
- * to the next subvol. This can be dangerous if parallel readdir
- * is enabled as it grows the stack.
- *
- * op_ret > 0 and count > 0:
- * We found some entries. Unwind even if the buffer is not full.
- *
+ /* We need to ensure that only the last subvolume's end-of-directory
+ * notification is respected so that directory reading does not stop
+ * before all subvolumes have been read. That could happen because the
+ * posix for each subvolume sends a ENOENT on end-of-directory but in
+ * distribute we're not concerned only with a posix's view of the
+ * directory but the aggregated namespace' view of the directory.
+ * Possible values:
+ * op_ret == 0 and op_errno != 0
+ * if op_errno != ENOENT : Error.Unwind.
+ * if op_errno == ENOENT : There are no more entries on this subvol.
+ * Move to the next one.
+ * op_ret > 0 and count == 0 :
+ * The subvol returned entries to dht but all were stripped out.
+ * For example, if they were linkto files or dirs where
+ * hashed_subvol != prev. Try to get some entries by winding
+ * to the next subvol. This can be dangerous if parallel readdir
+ * is enabled as it grows the stack.
+ *
+ * op_ret > 0 and count > 0:
+ * We found some entries. Unwind even if the buffer is not full.
+ *
+ */
+
+ op_ret = count;
+ if (count == 0) {
+ /* non-zero next_offset means that
+ * EOF is not yet hit on the current subvol
*/
+ if ((next_offset == 0) || (op_errno == ENOENT)) {
+ next_offset = 0;
+ next_subvol = dht_subvol_next(this, prev);
+ } else {
+ next_subvol = prev;
+ }
- op_ret = count;
- if (count == 0) {
- /* non-zero next_offset means that
- * EOF is not yet hit on the current subvol
- */
- if ((next_offset == 0) || (op_errno == ENOENT)) {
- next_offset = 0;
- next_subvol = dht_subvol_next (this, prev);
- } else {
- next_subvol = prev;
- }
-
- if (!next_subvol) {
- goto unwind;
- }
-
- if (conf->readdir_optimize == _gf_true) {
- if (next_subvol != local->first_up_subvol) {
- ret = dict_set_int32 (local->xattr,
- GF_READDIR_SKIP_DIRS, 1);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value"
- ":key = %s",
- GF_READDIR_SKIP_DIRS );
- } else {
- dict_del (local->xattr,
- GF_READDIR_SKIP_DIRS);
- }
- }
+ if (!next_subvol) {
+ goto unwind;
+ }
- STACK_WIND_COOKIE (frame, dht_readdirp_cbk, next_subvol,
- next_subvol, next_subvol->fops->readdirp,
- local->fd, local->size,
- next_offset, local->xattr);
- return 0;
+ if (conf->readdir_optimize == _gf_true) {
+ if (next_subvol != local->first_up_subvol) {
+ ret = dict_set_int32(local->xattr, GF_READDIR_SKIP_DIRS, 1);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value"
+ ":key = %s",
+ GF_READDIR_SKIP_DIRS);
+ } else {
+ dict_del(local->xattr, GF_READDIR_SKIP_DIRS);
+ }
}
+ STACK_WIND_COOKIE(frame, dht_readdirp_cbk, next_subvol, next_subvol,
+ next_subvol->fops->readdirp, local->fd, local->size,
+ next_offset, local->xattr);
+ return 0;
+ }
+
unwind:
- /* We need to ensure that only the last subvolume's end-of-directory
- * notification is respected so that directory reading does not stop
- * before all subvolumes have been read. That could happen because the
- * posix for each subvolume sends a ENOENT on end-of-directory but in
- * distribute we're not concerned only with a posix's view of the
- * directory but the aggregated namespace' view of the directory.
- */
- if (op_ret < 0)
- op_ret = 0;
+ /* We need to ensure that only the last subvolume's end-of-directory
+ * notification is respected so that directory reading does not stop
+ * before all subvolumes have been read. That could happen because the
+ * posix for each subvolume sends a ENOENT on end-of-directory but in
+ * distribute we're not concerned only with a posix's view of the
+ * directory but the aggregated namespace' view of the directory.
+ */
+ if (op_ret < 0)
+ op_ret = 0;
- if (prev != dht_last_up_subvol (this))
- op_errno = 0;
+ if (prev != dht_last_up_subvol(this))
+ op_errno = 0;
- DHT_STACK_UNWIND (readdirp, frame, op_ret, op_errno,
- &entries, NULL);
+ DHT_STACK_UNWIND(readdirp, frame, op_ret, op_errno, &entries, NULL);
- gf_dirent_free (&entries);
- return 0;
+ gf_dirent_free(&entries);
+ return 0;
}
-
-int
-dht_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, gf_dirent_t *orig_entries,
- dict_t *xdata)
+static int
+dht_readdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, gf_dirent_t *orig_entries, dict_t *xdata)
{
- dht_local_t *local = NULL;
- gf_dirent_t entries;
- gf_dirent_t *orig_entry = NULL;
- gf_dirent_t *entry = NULL;
- xlator_t *prev = NULL;
- xlator_t *next_subvol = NULL;
- off_t next_offset = 0;
- int count = 0;
- dht_layout_t *layout = 0;
- xlator_t *subvol = 0;
- dht_conf_t *conf = NULL;
- dht_methods_t *methods = NULL;
-
- INIT_LIST_HEAD (&entries.list);
-
- prev = cookie;
- local = frame->local;
-
- conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, done);
-
- methods = &(conf->methods);
-
- if (op_ret <= 0)
- goto done;
-
- if (!local->layout)
- local->layout = dht_layout_get (this, local->fd->inode);
-
- layout = local->layout;
-
- gf_msg_debug (this->name, 0, "Processing entries from %s",
- prev->name);
-
- list_for_each_entry (orig_entry, (&orig_entries->list), list) {
- next_offset = orig_entry->d_off;
+ dht_local_t *local = NULL;
+ gf_dirent_t entries;
+ gf_dirent_t *orig_entry = NULL;
+ gf_dirent_t *entry = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *next_subvol = NULL;
+ off_t next_offset = 0;
+ int count = 0;
+ dht_layout_t *layout = 0;
+ xlator_t *subvol = 0;
+ dht_conf_t *conf = NULL;
+ dht_methods_t *methods = NULL;
+ gf_boolean_t skip_hashed_check = _gf_false;
- gf_msg_debug (this->name, 0, "%s: entry = %s, type = %d",
- prev->name, orig_entry->d_name,
- orig_entry->d_type);
+ INIT_LIST_HEAD(&entries.list);
- subvol = methods->layout_search (this, layout,
- orig_entry->d_name);
+ prev = cookie;
+ local = frame->local;
- if (!subvol || (subvol == prev)) {
- entry = gf_dirent_for_name (orig_entry->d_name);
- if (!entry) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY,
- "Memory allocation failed ");
- goto unwind;
- }
+ conf = this->private;
+ GF_VALIDATE_OR_GOTO(this->name, conf, done);
- entry->d_off = orig_entry->d_off;
- entry->d_ino = orig_entry->d_ino;
- entry->d_type = orig_entry->d_type;
- entry->d_len = orig_entry->d_len;
+ methods = &(conf->methods);
- gf_msg_debug (this->name, 0, "%s: Adding = entry %s",
- prev->name, entry->d_name);
+ if (op_ret <= 0)
+ goto done;
- list_add_tail (&entry->list, &entries.list);
- count++;
- }
- }
-done:
- op_ret = count;
- /* We need to ensure that only the last subvolume's end-of-directory
- * notification is respected so that directory reading does not stop
- * before all subvolumes have been read. That could happen because the
- * posix for each subvolume sends a ENOENT on end-of-directory but in
- * distribute we're not concerned only with a posix's view of the
- * directory but the aggregated namespace' view of the directory.
- */
- if (count == 0) {
- if ((next_offset == 0) || (op_errno == ENOENT)) {
- next_offset = 0;
- next_subvol = dht_subvol_next (this, prev);
- } else {
- next_subvol = prev;
- }
+ if (!local->layout)
+ local->layout = dht_layout_get(this, local->fd->inode);
- if (!next_subvol) {
- goto unwind;
- }
-
- STACK_WIND_COOKIE (frame, dht_readdir_cbk, next_subvol,
- next_subvol, next_subvol->fops->readdir,
- local->fd, local->size,
- next_offset, NULL);
- return 0;
- }
+ layout = local->layout;
-unwind:
- /* We need to ensure that only the last subvolume's end-of-directory
- * notification is respected so that directory reading does not stop
- * before all subvolumes have been read. That could happen because the
- * posix for each subvolume sends a ENOENT on end-of-directory but in
- * distribute we're not concerned only with a posix's view of the
- * directory but the aggregated namespace' view of the directory.
- */
+ gf_msg_debug(this->name, 0, "Processing entries from %s", prev->name);
- if (prev != dht_last_up_subvol (this))
- op_errno = 0;
+ if (conf->subvolume_cnt == 1) {
+ /*return everything*/
+ skip_hashed_check = _gf_true;
+ count = op_ret;
+ goto done;
+ }
- DHT_STACK_UNWIND (readdir, frame, op_ret, op_errno,
- &entries, NULL);
- gf_dirent_free (&entries);
+ list_for_each_entry(orig_entry, (&orig_entries->list), list)
+ {
+ next_offset = orig_entry->d_off;
- return 0;
-}
+ gf_msg_debug(this->name, 0, "%s: entry = %s, type = %d", prev->name,
+ orig_entry->d_name, orig_entry->d_type);
+ subvol = methods->layout_search(this, layout, orig_entry->d_name);
-int
-dht_do_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t yoff, int whichop, dict_t *dict)
-{
- dht_local_t *local = NULL;
- int op_errno = -1;
- xlator_t *xvol = NULL;
- int ret = 0;
- dht_conf_t *conf = NULL;
+ if (!subvol || (subvol == prev)) {
+ entry = gf_dirent_for_name(orig_entry->d_name);
+ if (!entry) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "Memory allocation failed ");
+ goto unwind;
+ }
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
- VALIDATE_OR_GOTO (this->private, err);
+ entry->d_off = orig_entry->d_off;
+ entry->d_ino = orig_entry->d_ino;
+ entry->d_type = orig_entry->d_type;
+ entry->d_len = orig_entry->d_len;
- conf = this->private;
+ gf_msg_debug(this->name, 0, "%s: Adding = entry %s", prev->name,
+ entry->d_name);
- local = dht_local_init (frame, NULL, NULL, whichop);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
+ list_add_tail(&entry->list, &entries.list);
+ count++;
+ }
+ }
+done:
+ op_ret = count;
+ /* We need to ensure that only the last subvolume's end-of-directory
+ * notification is respected so that directory reading does not stop
+ * before all subvolumes have been read. That could happen because the
+ * posix for each subvolume sends a ENOENT on end-of-directory but in
+ * distribute we're not concerned only with a posix's view of the
+ * directory but the aggregated namespace' view of the directory.
+ */
+ if (count == 0) {
+ if ((next_offset == 0) || (op_errno == ENOENT)) {
+ next_offset = 0;
+ next_subvol = dht_subvol_next(this, prev);
+ } else {
+ next_subvol = prev;
}
- local->fd = fd_ref (fd);
- local->size = size;
- local->xattr_req = (dict)? dict_ref (dict) : NULL;
- local->first_up_subvol = dht_first_up_subvol (this);
- local->op_ret = -1;
-
- dht_deitransform (this, yoff, &xvol);
+ if (!next_subvol) {
+ goto unwind;
+ }
- /* TODO: do proper readdir */
- if (whichop == GF_FOP_READDIRP) {
- if (dict)
- local->xattr = dict_ref (dict);
- else
- local->xattr = dict_new ();
+ STACK_WIND_COOKIE(frame, dht_readdir_cbk, next_subvol, next_subvol,
+ next_subvol->fops->readdir, local->fd, local->size,
+ next_offset, NULL);
+ return 0;
+ }
- if (local->xattr) {
- ret = dict_set_uint32 (local->xattr,
- conf->link_xattr_name, 256);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value"
- " : key = %s",
- conf->link_xattr_name);
+unwind:
+ /* We need to ensure that only the last subvolume's end-of-directory
+ * notification is respected so that directory reading does not stop
+ * before all subvolumes have been read. That could happen because the
+ * posix for each subvolume sends a ENOENT on end-of-directory but in
+ * distribute we're not concerned only with a posix's view of the
+ * directory but the aggregated namespace' view of the directory.
+ */
- if (conf->readdir_optimize == _gf_true) {
- if (xvol != local->first_up_subvol) {
- ret = dict_set_int32 (local->xattr,
- GF_READDIR_SKIP_DIRS, 1);
- if (ret)
- gf_msg (this->name,
- GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set "
- "dictionary value: "
- "key = %s",
- GF_READDIR_SKIP_DIRS);
- } else {
- dict_del (local->xattr,
- GF_READDIR_SKIP_DIRS);
- }
- }
+ if (prev != dht_last_up_subvol(this))
+ op_errno = 0;
- if (conf->subvolume_cnt == 1) {
- ret = dict_set_uint32 (local->xattr,
- conf->xattr_name, 4 * 4);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING,
- ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary "
- "value:key = %s ",
- conf->xattr_name);
- }
- }
+ if (!skip_hashed_check) {
+ DHT_STACK_UNWIND(readdir, frame, op_ret, op_errno, &entries, NULL);
+ gf_dirent_free(&entries);
+ } else {
+ DHT_STACK_UNWIND(readdir, frame, op_ret, op_errno, orig_entries, NULL);
+ }
+ return 0;
+}
+static int
+dht_do_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t yoff, int whichop, dict_t *dict)
+{
+ dht_local_t *local = NULL;
+ int op_errno = -1;
+ xlator_t *xvol = NULL;
+ int ret = 0;
+ dht_conf_t *conf = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ local = dht_local_init(frame, NULL, NULL, whichop);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->fd = fd_ref(fd);
+ local->size = size;
+ local->xattr_req = (dict) ? dict_ref(dict) : NULL;
+ local->first_up_subvol = dht_first_up_subvol(this);
+ local->op_ret = -1;
+
+ dht_deitransform(this, yoff, &xvol);
+
+ /* TODO: do proper readdir */
+ if (whichop == GF_FOP_READDIRP) {
+ if (dict)
+ local->xattr = dict_ref(dict);
+ else
+ local->xattr = dict_new();
+
+ if (local->xattr) {
+ ret = dict_set_uint32(local->xattr, conf->link_xattr_name, 256);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value"
+ " : key = %s",
+ conf->link_xattr_name);
+
+ if (conf->readdir_optimize == _gf_true) {
+ if (xvol != local->first_up_subvol) {
+ ret = dict_set_int32(local->xattr, GF_READDIR_SKIP_DIRS, 1);
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_DICT_SET_FAILED,
+ "Failed to set "
+ "dictionary value: "
+ "key = %s",
+ GF_READDIR_SKIP_DIRS);
+ } else {
+ dict_del(local->xattr, GF_READDIR_SKIP_DIRS);
}
+ }
- STACK_WIND_COOKIE (frame, dht_readdirp_cbk, xvol, xvol,
- xvol->fops->readdirp, fd, size, yoff,
- local->xattr);
- } else {
- STACK_WIND_COOKIE (frame, dht_readdir_cbk, xvol, xvol,
- xvol->fops->readdir, fd, size, yoff,
- local->xattr);
+ if (conf->subvolume_cnt == 1) {
+ ret = dict_set_uint32(local->xattr, conf->xattr_name, 4 * 4);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM,
+ DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary "
+ "value:key = %s ",
+ conf->xattr_name);
+ }
+ }
}
- return 0;
+ STACK_WIND_COOKIE(frame, dht_readdirp_cbk, xvol, xvol,
+ xvol->fops->readdirp, fd, size, yoff, local->xattr);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_readdir_cbk, xvol, xvol,
+ xvol->fops->readdir, fd, size, yoff, local->xattr);
+ }
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (readdir, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(readdir, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t yoff, dict_t *xdata)
+dht_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t yoff, dict_t *xdata)
{
- int op = GF_FOP_READDIR;
- dht_conf_t *conf = NULL;
- int i = 0;
+ int op = GF_FOP_READDIR;
+ dht_conf_t *conf = NULL;
+ int i = 0;
- conf = this->private;
- if (!conf)
- goto out;
+ conf = this->private;
+ if (!conf)
+ goto out;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (!conf->subvolume_status[i]) {
- op = GF_FOP_READDIRP;
- break;
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (!conf->subvolume_status[i]) {
+ op = GF_FOP_READDIRP;
+ break;
}
+ }
- if (conf->use_readdirp)
- op = GF_FOP_READDIRP;
+ if (conf->use_readdirp)
+ op = GF_FOP_READDIRP;
out:
- dht_do_readdir (frame, this, fd, size, yoff, op, 0);
- return 0;
+ dht_do_readdir(frame, this, fd, size, yoff, op, 0);
+ return 0;
}
int
-dht_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t yoff, dict_t *dict)
+dht_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t yoff, dict_t *dict)
{
- dht_do_readdir (frame, this, fd, size, yoff, GF_FOP_READDIRP, dict);
- return 0;
+ dht_do_readdir(frame, this, fd, size, yoff, GF_FOP_READDIRP, dict);
+ return 0;
}
-
-
-int
-dht_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+static int
+dht_fsyncdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
-
-
- local = frame->local;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
- LOCK (&frame->lock);
- {
- if (op_ret == -1)
- local->op_errno = op_errno;
+ local = frame->local;
- if (op_ret == 0)
- local->op_ret = 0;
- }
- UNLOCK (&frame->lock);
-
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt))
- DHT_STACK_UNWIND (fsyncdir, frame, local->op_ret,
- local->op_errno, xdata);
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1)
+ local->op_errno = op_errno;
+ else if (op_ret == 0)
+ local->op_ret = 0;
+ }
+ UNLOCK(&frame->lock);
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt))
+ DHT_STACK_UNWIND(fsyncdir, frame, local->op_ret, local->op_errno,
+ xdata);
- return 0;
+ return 0;
}
-
int
-dht_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd,
- int datasync, dict_t *xdata)
+dht_fsyncdir(call_frame_t *frame, xlator_t *this, fd_t *fd, int datasync,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int op_errno = -1;
- int i = -1;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int op_errno = -1;
+ int i = -1;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
- VALIDATE_OR_GOTO (this->private, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+ VALIDATE_OR_GOTO(this->private, err);
- conf = this->private;
+ conf = this->private;
- local = dht_local_init (frame, NULL, NULL, GF_FOP_FSYNCDIR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ local = dht_local_init(frame, NULL, NULL, GF_FOP_FSYNCDIR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- local->fd = fd_ref (fd);
- local->call_cnt = conf->subvolume_cnt;
+ local->fd = fd_ref(fd);
+ local->call_cnt = conf->subvolume_cnt;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- STACK_WIND (frame, dht_fsyncdir_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->fsyncdir,
- fd, datasync, xdata);
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ STACK_WIND(frame, dht_fsyncdir_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->fsyncdir, fd, datasync, xdata);
+ }
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fsyncdir, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fsyncdir, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
-
int
-dht_newfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+dht_newfile_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
{
- xlator_t *prev = NULL;
- int ret = -1;
- dht_local_t *local = NULL;
-
-
- if (op_ret == -1)
- goto out;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ dht_local_t *local = NULL;
- local = frame->local;
- if (!local) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
-
- prev = cookie;
-
- if (local->loc.parent) {
-
- dht_inode_ctx_time_update (local->loc.parent, this,
- preparent, 0);
- dht_inode_ctx_time_update (local->loc.parent, this,
- postparent, 1);
- }
+ if (op_ret == -1)
+ goto out;
- ret = dht_layout_preset (this, prev, inode);
- if (ret < 0) {
- gf_msg_debug (this->name, EINVAL,
- "could not set pre-set layout for subvolume %s",
- prev? prev->name: NULL);
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
- if (local->linked == _gf_true)
- dht_linkfile_attr_heal (frame, this);
+ local = frame->local;
+ if (!local) {
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ prev = cookie;
+
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this, preparent, 0);
+ dht_inode_ctx_time_update(local->loc.parent, this, postparent, 1);
+ }
+
+ ret = dht_layout_preset(this, prev, inode);
+ if (ret < 0) {
+ gf_msg_debug(this->name, EINVAL,
+ "could not set pre-set layout for subvolume %s",
+ prev ? prev->name : NULL);
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
+ if (local->linked == _gf_true)
+ dht_linkfile_attr_heal(frame, this);
out:
- /*
- * FIXME: ia_size and st_blocks of preparent and postparent do not have
- * correct values. since, preparent and postparent buffers correspond
- * to a directory these two members should have values equal to sum of
- * corresponding values from each of the subvolume.
- * See dht_iatt_merge for reference.
- */
- DHT_STRIP_PHASE1_FLAGS (stbuf);
- dht_set_fixed_dir_stat (postparent);
- dht_set_fixed_dir_stat (preparent);
-
- if (local && local->lock[0].layout.parent_layout.locks) {
- /* store op_errno for failure case*/
- local->op_errno = op_errno;
- local->refresh_layout_unlock (frame, this, op_ret, 1);
+ /*
+ * FIXME: ia_size and st_blocks of preparent and postparent do not have
+ * correct values. since, preparent and postparent buffers correspond
+ * to a directory these two members should have values equal to sum of
+ * corresponding values from each of the subvolume.
+ * See dht_iatt_merge for reference.
+ */
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
+ dht_set_fixed_dir_stat(postparent);
+ dht_set_fixed_dir_stat(preparent);
+
+ if (local && local->lock[0].layout.parent_layout.locks) {
+ /* store op_errno for failure case*/
+ local->op_errno = op_errno;
+ local->refresh_layout_unlock(frame, this, op_ret, 1);
- if (op_ret == 0) {
- DHT_STACK_UNWIND (mknod, frame, op_ret, op_errno,
- inode, stbuf, preparent, postparent,
- xdata);
- }
- } else {
- DHT_STACK_UNWIND (mknod, frame, op_ret, op_errno, inode,
- stbuf, preparent, postparent, xdata);
+ if (op_ret == 0) {
+ DHT_STACK_UNWIND(mknod, frame, op_ret, op_errno, inode, stbuf,
+ preparent, postparent, xdata);
}
+ } else {
+ DHT_STACK_UNWIND(mknod, frame, op_ret, op_errno, inode, stbuf,
+ preparent, postparent, xdata);
+ }
- return 0;
+ return 0;
}
-int
-dht_mknod_linkfile_create_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+static int
+dht_mknod_linkfile_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *cached_subvol = NULL;
- dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *cached_subvol = NULL;
+ dht_conf_t *conf = NULL;
- local = frame->local;
+ local = frame->local;
- if (!local || !local->cached_subvol) {
- op_errno = EINVAL;
- goto err;
- }
+ if (!local || !local->cached_subvol) {
+ op_errno = EINVAL;
+ goto err;
+ }
- if (op_ret == -1) {
- local->op_errno = op_errno;
- goto err;
- }
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ goto err;
+ }
- conf = this->private;
- if (!conf) {
- local->op_errno = EINVAL;
- op_errno = EINVAL;
- goto err;
- }
+ conf = this->private;
+ if (!conf) {
+ local->op_errno = EINVAL;
+ op_errno = EINVAL;
+ goto err;
+ }
- cached_subvol = local->cached_subvol;
+ cached_subvol = local->cached_subvol;
- if (local->params) {
- dict_del (local->params, conf->link_xattr_name);
- dict_del (local->params, GLUSTERFS_INTERNAL_FOP_KEY);
- }
+ if (local->params) {
+ dict_del(local->params, conf->link_xattr_name);
+ dict_del(local->params, GLUSTERFS_INTERNAL_FOP_KEY);
+ }
- STACK_WIND_COOKIE (frame, dht_newfile_cbk, (void *)cached_subvol,
- cached_subvol, cached_subvol->fops->mknod,
- &local->loc, local->mode, local->rdev, local->umask,
- local->params);
+ STACK_WIND_COOKIE(frame, dht_newfile_cbk, (void *)cached_subvol,
+ cached_subvol, cached_subvol->fops->mknod, &local->loc,
+ local->mode, local->rdev, local->umask, local->params);
- return 0;
+ return 0;
err:
- if (local && local->lock[0].layout.parent_layout.locks) {
- local->refresh_layout_unlock (frame, this, -1, 1);
- } else {
- DHT_STACK_UNWIND (mknod, frame, -1,
- op_errno, NULL, NULL, NULL,
- NULL, NULL);
- }
- return 0;
+ if (local && local->lock[0].layout.parent_layout.locks) {
+ local->refresh_layout_unlock(frame, this, -1, 1);
+ } else {
+ DHT_STACK_UNWIND(mknod, frame, -1, op_errno, NULL, NULL, NULL, NULL,
+ NULL);
+ }
+ return 0;
}
-int
-dht_mknod_wind_to_avail_subvol (call_frame_t *frame, xlator_t *this,
- xlator_t *subvol, loc_t *loc, dev_t rdev,
- mode_t mode, mode_t umask, dict_t *params)
+static int
+dht_mknod_wind_to_avail_subvol(call_frame_t *frame, xlator_t *this,
+ xlator_t *subvol, loc_t *loc, dev_t rdev,
+ mode_t mode, mode_t umask, dict_t *params)
{
- dht_local_t *local = NULL;
- xlator_t *avail_subvol = NULL;
-
- local = frame->local;
+ dht_local_t *local = NULL;
+ xlator_t *avail_subvol = NULL;
- if (!dht_is_subvol_filled (this, subvol)) {
- gf_msg_debug (this->name, 0,
- "creating %s on %s", loc->path,
- subvol->name);
+ local = frame->local;
- STACK_WIND_COOKIE (frame, dht_newfile_cbk, (void *)subvol,
- subvol, subvol->fops->mknod, loc, mode,
- rdev, umask, params);
- } else {
- avail_subvol = dht_free_disk_available_subvol (this, subvol, local);
+ if (!dht_is_subvol_filled(this, subvol)) {
+ gf_msg_debug(this->name, 0, "creating %s on %s", loc->path,
+ subvol->name);
- if (avail_subvol != subvol) {
- local->params = dict_ref (params);
- local->rdev = rdev;
- local->mode = mode;
- local->umask = umask;
- local->cached_subvol = avail_subvol;
- local->hashed_subvol = subvol;
+ STACK_WIND_COOKIE(frame, dht_newfile_cbk, (void *)subvol, subvol,
+ subvol->fops->mknod, loc, mode, rdev, umask, params);
+ } else {
+ avail_subvol = dht_free_disk_available_subvol(this, subvol, local);
- gf_msg_debug (this->name, 0,
- "creating %s on %s (link at %s)", loc->path,
- avail_subvol->name, subvol->name);
+ if (avail_subvol != subvol) {
+ local->params = dict_ref(params);
+ local->rdev = rdev;
+ local->mode = mode;
+ local->umask = umask;
+ local->cached_subvol = avail_subvol;
+ local->hashed_subvol = subvol;
- dht_linkfile_create (frame,
- dht_mknod_linkfile_create_cbk,
- this, avail_subvol, subvol, loc);
+ gf_msg_debug(this->name, 0, "creating %s on %s (link at %s)",
+ loc->path, avail_subvol->name, subvol->name);
- goto out;
- }
+ dht_linkfile_create(frame, dht_mknod_linkfile_create_cbk, this,
+ avail_subvol, subvol, loc);
- gf_msg_debug (this->name, 0,
- "creating %s on %s", loc->path, subvol->name);
+ goto out;
+ }
- STACK_WIND_COOKIE (frame, dht_newfile_cbk,
- (void *)subvol, subvol,
- subvol->fops->mknod, loc, mode,
- rdev, umask, params);
+ gf_msg_debug(this->name, 0, "creating %s on %s", loc->path,
+ subvol->name);
- }
+ STACK_WIND_COOKIE(frame, dht_newfile_cbk, (void *)subvol, subvol,
+ subvol->fops->mknod, loc, mode, rdev, umask, params);
+ }
out:
- return 0;
+ return 0;
}
-int32_t
-dht_mknod_do (call_frame_t *frame)
+static int32_t
+dht_mknod_do(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- dht_layout_t *refreshed = NULL;
- xlator_t *subvol = NULL;
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- dht_methods_t *methods = NULL;
+ dht_local_t *local = NULL;
+ dht_layout_t *refreshed = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ dht_methods_t *methods = NULL;
- local = frame->local;
+ local = frame->local;
- this = THIS;
+ this = THIS;
- conf = this->private;
+ conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, err);
+ GF_VALIDATE_OR_GOTO(this->name, conf, err);
- methods = &(conf->methods);
+ methods = &(conf->methods);
- /* We don't need parent_loc anymore */
- loc_wipe (&local->loc);
+ /* We don't need parent_loc anymore */
+ loc_wipe(&local->loc);
- loc_copy (&local->loc, &local->loc2);
+ loc_copy(&local->loc, &local->loc2);
- loc_wipe (&local->loc2);
+ loc_wipe(&local->loc2);
- refreshed = local->selfheal.refreshed_layout;
+ refreshed = local->selfheal.refreshed_layout;
- subvol = methods->layout_search (this, refreshed, local->loc.name);
+ subvol = methods->layout_search(this, refreshed, local->loc.name);
- if (!subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED, "no subvolume in "
- "layout for path=%s", local->loc.path);
- local->op_errno = ENOENT;
- goto err;
- }
+ if (!subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "no subvolume in "
+ "layout for path=%s",
+ local->loc.path);
+ local->op_errno = ENOENT;
+ goto err;
+ }
- dht_mknod_wind_to_avail_subvol (frame, this, subvol, &local->loc,
- local->rdev, local->mode,
- local->umask, local->params);
- return 0;
+ dht_mknod_wind_to_avail_subvol(frame, this, subvol, &local->loc,
+ local->rdev, local->mode, local->umask,
+ local->params);
+ return 0;
err:
- local->refresh_layout_unlock (frame, this, -1, 1);
+ local->refresh_layout_unlock(frame, this, -1, 1);
- return 0;
+ return 0;
}
-
-int32_t
-dht_mknod_unlock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int32_t
+dht_mknod_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
-int32_t
-dht_mknod_finish (call_frame_t *frame, xlator_t *this, int op_ret,
- int invoke_cbk)
+static int32_t
+dht_mknod_finish(call_frame_t *frame, xlator_t *this, int op_ret,
+ int invoke_cbk)
{
- dht_local_t *local = NULL, *lock_local = NULL;
- call_frame_t *lock_frame = NULL;
- int lock_count = 0;
+ dht_local_t *local = NULL, *lock_local = NULL;
+ call_frame_t *lock_frame = NULL;
+ int lock_count = 0;
- local = frame->local;
- lock_count = dht_lock_count (local->lock[0].layout.parent_layout.locks,
- local->lock[0].layout.parent_layout.lk_count);
- if (lock_count == 0)
- goto done;
+ local = frame->local;
+ lock_count = dht_lock_count(local->lock[0].layout.parent_layout.locks,
+ local->lock[0].layout.parent_layout.lk_count);
+ if (lock_count == 0)
+ goto done;
- lock_frame = copy_frame (frame);
- if (lock_frame == NULL) {
- goto done;
- }
+ lock_frame = copy_frame(frame);
+ if (lock_frame == NULL) {
+ goto done;
+ }
- lock_local = dht_local_init (lock_frame, &local->loc, NULL,
- lock_frame->root->op);
- if (lock_local == NULL) {
- goto done;
- }
+ lock_local = dht_local_init(lock_frame, &local->loc, NULL,
+ lock_frame->root->op);
+ if (lock_local == NULL) {
+ goto done;
+ }
- lock_local->lock[0].layout.parent_layout.locks = local->lock[0].layout.parent_layout.locks;
- lock_local->lock[0].layout.parent_layout.lk_count = local->lock[0].layout.parent_layout.lk_count;
+ lock_local->lock[0]
+ .layout.parent_layout.locks = local->lock[0].layout.parent_layout.locks;
+ lock_local->lock[0].layout.parent_layout.lk_count =
+ local->lock[0].layout.parent_layout.lk_count;
- local->lock[0].layout.parent_layout.locks = NULL;
- local->lock[0].layout.parent_layout.lk_count = 0;
+ local->lock[0].layout.parent_layout.locks = NULL;
+ local->lock[0].layout.parent_layout.lk_count = 0;
- dht_unlock_inodelk (lock_frame,
- lock_local->lock[0].layout.parent_layout.locks,
- lock_local->lock[0].layout.parent_layout.lk_count,
- dht_mknod_unlock_cbk);
- lock_frame = NULL;
+ dht_unlock_inodelk(lock_frame,
+ lock_local->lock[0].layout.parent_layout.locks,
+ lock_local->lock[0].layout.parent_layout.lk_count,
+ dht_mknod_unlock_cbk);
+ lock_frame = NULL;
done:
- if (lock_frame != NULL) {
- DHT_STACK_DESTROY (lock_frame);
- }
-
- if (op_ret == 0)
- return 0;
+ if (lock_frame != NULL) {
+ DHT_STACK_DESTROY(lock_frame);
+ }
- DHT_STACK_UNWIND (mknod, frame, op_ret, local->op_errno, NULL, NULL,
- NULL, NULL, NULL);
+ if (op_ret == 0)
return 0;
+
+ DHT_STACK_UNWIND(mknod, frame, op_ret, local->op_errno, NULL, NULL, NULL,
+ NULL, NULL);
+ return 0;
}
-int32_t
-dht_mknod_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int32_t
+dht_mknod_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (!local) {
- goto err;
- }
+ if (!local) {
+ goto err;
+ }
- if (op_ret < 0) {
- gf_msg ("DHT", GF_LOG_ERROR, 0, DHT_MSG_INODE_LK_ERROR,
- "mknod lock failed for file: %s", local->loc2.name);
+ if (op_ret < 0) {
+ gf_msg("DHT", GF_LOG_ERROR, 0, DHT_MSG_INODE_LK_ERROR,
+ "mknod lock failed for file: %s", local->loc2.name);
- local->op_errno = op_errno;
+ local->op_errno = op_errno;
- goto err;
- }
+ goto err;
+ }
- local->refresh_layout_unlock = dht_mknod_finish;
+ local->refresh_layout_unlock = dht_mknod_finish;
- local->refresh_layout_done = dht_mknod_do;
+ local->refresh_layout_done = dht_mknod_do;
- dht_refresh_layout (frame);
+ dht_refresh_layout(frame);
- return 0;
+ return 0;
err:
- dht_mknod_finish (frame, this, -1, 0);
- return 0;
+ if (local)
+ dht_mknod_finish(frame, this, -1, 0);
+ else
+ DHT_STACK_UNWIND(mknod, frame, -1, EINVAL, NULL, NULL, NULL, NULL,
+ NULL);
+ return 0;
}
-int32_t
-dht_mknod_lock (call_frame_t *frame, xlator_t *subvol)
+static int32_t
+dht_mknod_lock(call_frame_t *frame, xlator_t *subvol)
{
- dht_local_t *local = NULL;
- int count = 1, ret = -1;
- dht_lock_t **lk_array = NULL;
+ dht_local_t *local = NULL;
+ int count = 1, ret = -1;
+ dht_lock_t **lk_array = NULL;
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO (frame->this->name, frame->local, err);
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO(frame->this->name, frame->local, err);
- local = frame->local;
+ local = frame->local;
- lk_array = GF_CALLOC (count, sizeof (*lk_array), gf_common_mt_pointer);
+ lk_array = GF_CALLOC(count, sizeof(*lk_array), gf_common_mt_pointer);
- if (lk_array == NULL)
- goto err;
+ if (lk_array == NULL)
+ goto err;
- lk_array[0] = dht_lock_new (frame->this, subvol, &local->loc, F_RDLCK,
- DHT_LAYOUT_HEAL_DOMAIN, NULL,
- IGNORE_ENOENT_ESTALE);
+ lk_array[0] = dht_lock_new(frame->this, subvol, &local->loc, F_RDLCK,
+ DHT_LAYOUT_HEAL_DOMAIN, NULL,
+ IGNORE_ENOENT_ESTALE);
- if (lk_array[0] == NULL)
- goto err;
+ if (lk_array[0] == NULL)
+ goto err;
- local->lock[0].layout.parent_layout.locks = lk_array;
- local->lock[0].layout.parent_layout.lk_count = count;
+ local->lock[0].layout.parent_layout.locks = lk_array;
+ local->lock[0].layout.parent_layout.lk_count = count;
- ret = dht_blocking_inodelk (frame, lk_array, count, dht_mknod_lock_cbk);
+ ret = dht_blocking_inodelk(frame, lk_array, count, dht_mknod_lock_cbk);
- if (ret < 0) {
- local->lock[0].layout.parent_layout.locks = NULL;
- local->lock[0].layout.parent_layout.lk_count = 0;
- goto err;
- }
+ if (ret < 0) {
+ local->lock[0].layout.parent_layout.locks = NULL;
+ local->lock[0].layout.parent_layout.lk_count = 0;
+ goto err;
+ }
- return 0;
+ return 0;
err:
- if (lk_array != NULL) {
- dht_lock_array_free (lk_array, count);
- GF_FREE (lk_array);
- }
+ if (lk_array != NULL) {
+ dht_lock_array_free(lk_array, count);
+ GF_FREE(lk_array);
+ }
- return -1;
+ return -1;
}
-int
-dht_refresh_parent_layout_resume (call_frame_t *frame, xlator_t *this, int ret,
- int invoke_cbk)
+static int
+dht_refresh_parent_layout_resume(call_frame_t *frame, xlator_t *this, int ret,
+ int invoke_cbk)
{
- dht_local_t *local = NULL, *parent_local = NULL;
- call_stub_t *stub = NULL;
- call_frame_t *parent_frame = NULL;
+ dht_local_t *local = NULL, *parent_local = NULL;
+ call_stub_t *stub = NULL;
+ call_frame_t *parent_frame = NULL;
- local = frame->local;
+ local = frame->local;
- stub = local->stub;
- local->stub = NULL;
+ stub = local->stub;
+ local->stub = NULL;
- parent_frame = stub->frame;
- parent_local = parent_frame->local;
+ parent_frame = stub->frame;
+ parent_local = parent_frame->local;
- if (ret < 0) {
- parent_local->op_ret = -1;
- parent_local->op_errno = local->op_errno
- ? local->op_errno : EIO;
- } else {
- parent_local->op_ret = 0;
- }
+ if (ret < 0) {
+ parent_local->op_ret = -1;
+ parent_local->op_errno = local->op_errno ? local->op_errno : EIO;
+ } else {
+ parent_local->op_ret = 0;
+ }
- call_resume (stub);
+ call_resume(stub);
- DHT_STACK_DESTROY (frame);
+ DHT_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
-
-int
-dht_refresh_parent_layout_done (call_frame_t *frame)
+static int
+dht_refresh_parent_layout_done(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- int ret = 0;
+ dht_local_t *local = NULL;
+ int ret = 0;
- local = frame->local;
+ local = frame->local;
- if (local->op_ret < 0) {
- ret = -1;
- goto resume;
- }
+ if (local->op_ret < 0) {
+ ret = -1;
+ goto resume;
+ }
- dht_layout_set (frame->this, local->loc.inode,
- local->selfheal.refreshed_layout);
+ dht_layout_set(frame->this, local->loc.inode,
+ local->selfheal.refreshed_layout);
resume:
- dht_refresh_parent_layout_resume (frame, frame->this, ret, 1);
- return 0;
+ dht_refresh_parent_layout_resume(frame, frame->this, ret, 1);
+ return 0;
}
-
-int
-dht_handle_parent_layout_change (xlator_t *this, call_stub_t *stub)
+static int
+dht_handle_parent_layout_change(xlator_t *this, call_stub_t *stub)
{
- call_frame_t *refresh_frame = NULL, *frame = NULL;
- dht_local_t *refresh_local = NULL, *local = NULL;
+ call_frame_t *refresh_frame = NULL, *frame = NULL;
+ dht_local_t *refresh_local = NULL, *local = NULL;
- frame = stub->frame;
- local = frame->local;
+ frame = stub->frame;
+ local = frame->local;
- refresh_frame = copy_frame (frame);
- refresh_local = dht_local_init (refresh_frame, NULL, NULL,
- stub->fop);
+ refresh_frame = copy_frame(frame);
+ if (!refresh_frame) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "mem allocation failed for refresh_frame");
+ return -1;
+ }
- refresh_local->loc.inode = inode_ref (local->loc.parent);
- gf_uuid_copy (refresh_local->loc.gfid, local->loc.parent->gfid);
+ refresh_local = dht_local_init(refresh_frame, NULL, NULL, stub->fop);
+ if (!refresh_local) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "mem allocation failed for refresh_local");
+ return -1;
+ }
- refresh_local->stub = stub;
+ refresh_local->loc.inode = inode_ref(local->loc.parent);
+ gf_uuid_copy(refresh_local->loc.gfid, local->loc.parent->gfid);
- refresh_local->refresh_layout_unlock = dht_refresh_parent_layout_resume;
- refresh_local->refresh_layout_done = dht_refresh_parent_layout_done;
+ refresh_local->stub = stub;
- dht_refresh_layout (refresh_frame);
- return 0;
+ refresh_local->refresh_layout_unlock = dht_refresh_parent_layout_resume;
+ refresh_local->refresh_layout_done = dht_refresh_parent_layout_done;
+
+ dht_refresh_layout(refresh_frame);
+ return 0;
}
-int32_t
-dht_call_mkdir_stub (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int32_t
+dht_call_mkdir_stub(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- call_stub_t *stub = NULL;
+ dht_local_t *local = NULL;
+ call_stub_t *stub = NULL;
- local = frame->local;
- stub = local->stub;
- local->stub = NULL;
+ local = frame->local;
+ stub = local->stub;
+ local->stub = NULL;
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = op_errno;
- } else {
- local->op_ret = 0;
- }
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ } else {
+ local->op_ret = 0;
+ }
- call_resume (stub);
+ call_resume(stub);
- return 0;
+ return 0;
}
-int32_t
-dht_guard_parent_layout_and_namespace (xlator_t *subvol, call_stub_t *stub)
+static int32_t
+dht_guard_parent_layout_and_namespace(xlator_t *subvol, call_stub_t *stub)
{
- dht_local_t *local = NULL;
- int ret = -1;
- loc_t *loc = NULL;
- xlator_t *hashed_subvol = NULL, *this = NULL;;
- call_frame_t *frame = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- int32_t *parent_disk_layout = NULL;
- dht_layout_t *parent_layout = NULL;
- dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ int ret = -1;
+ loc_t *loc = NULL;
+ xlator_t *hashed_subvol = NULL, *this = NULL;
+ ;
+ call_frame_t *frame = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ int32_t *parent_disk_layout = NULL;
+ dht_layout_t *parent_layout = NULL;
+ dht_conf_t *conf = NULL;
- GF_VALIDATE_OR_GOTO ("dht", stub, err);
+ GF_VALIDATE_OR_GOTO("dht", stub, err);
- frame = stub->frame;
- this = frame->this;
+ frame = stub->frame;
+ this = frame->this;
- conf = this->private;
+ conf = this->private;
- local = frame->local;
+ local = frame->local;
- local->stub = stub;
+ local->stub = stub;
- /* TODO: recheck whether we should lock on src or dst if we do similar
- * stale layout checks for rename.
- */
- loc = &stub->args.loc;
+ /* TODO: recheck whether we should lock on src or dst if we do similar
+ * stale layout checks for rename.
+ */
+ loc = &stub->args.loc;
- gf_uuid_unparse (loc->parent->gfid, pgfid);
+ gf_uuid_unparse(loc->parent->gfid, pgfid);
+ if (local->params == NULL) {
+ local->params = dict_new();
if (local->params == NULL) {
- local->params = dict_new ();
- if (local->params == NULL) {
- local->op_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "%s (%s/%s) (path: %s): "
- "dict allocation failed",
- gf_fop_list[stub->fop],
- pgfid, loc->name, loc->path);
- goto err;
- }
- }
-
- hashed_subvol = dht_subvol_get_hashed (this, loc);
- if (hashed_subvol == NULL) {
- local->op_errno = EINVAL;
-
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "%s (%s/%s) (path: %s): "
- "hashed subvolume not found", gf_fop_list[stub->fop],
- pgfid, loc->name, loc->path);
- goto err;
- }
-
- parent_layout = dht_layout_get (this, loc->parent);
-
- ret = dht_disk_layout_extract_for_subvol (this, parent_layout,
- hashed_subvol,
- &parent_disk_layout);
- if (ret == -1) {
- local->op_errno = EINVAL;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "%s (%s/%s) (path: %s): "
- "extracting in-memory layout of parent failed. ",
- gf_fop_list[stub->fop], pgfid, loc->name, loc->path);
- goto err;
- }
-
- memcpy ((void *)local->parent_disk_layout, (void *)parent_disk_layout,
- sizeof (local->parent_disk_layout));
-
- dht_layout_unref (this, parent_layout);
- parent_layout = NULL;
-
- ret = dict_set_str (local->params, GF_PREOP_PARENT_KEY,
- conf->xattr_name);
- if (ret < 0) {
- local->op_errno = -ret;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "%s (%s/%s) (path: %s): "
- "setting %s key in params dictionary failed. ",
- gf_fop_list[stub->fop], pgfid, loc->name, loc->path,
- GF_PREOP_PARENT_KEY);
- goto err;
- }
-
- ret = dict_set_bin (local->params, conf->xattr_name, parent_disk_layout,
- 4 * 4);
- if (ret < 0) {
- local->op_errno = -ret;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "%s (%s/%s) (path: %s): "
- "setting parent-layout in params dictionary failed. ",
- gf_fop_list[stub->fop], pgfid, loc->name, loc->path);
- goto err;
- }
-
- parent_disk_layout = NULL;
- local->hashed_subvol = hashed_subvol;
-
- local->current = &local->lock[0];
- ret = dht_protect_namespace (frame, loc, hashed_subvol,
- &local->current->ns, dht_call_mkdir_stub);
- if (ret < 0)
- goto err;
-
- return 0;
+ local->op_errno = ENOMEM;
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "dict allocation failed",
+ gf_fop_list[stub->fop], pgfid, loc->name, loc->path);
+ goto err;
+ }
+ }
+
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+ if (hashed_subvol == NULL) {
+ local->op_errno = EINVAL;
+
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "hashed subvolume not found",
+ gf_fop_list[stub->fop], pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ parent_layout = dht_layout_get(this, loc->parent);
+
+ ret = dht_disk_layout_extract_for_subvol(this, parent_layout, hashed_subvol,
+ &parent_disk_layout);
+ if (ret == -1) {
+ local->op_errno = EINVAL;
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "extracting in-memory layout of parent failed. ",
+ gf_fop_list[stub->fop], pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ memcpy((void *)local->parent_disk_layout, (void *)parent_disk_layout,
+ sizeof(local->parent_disk_layout));
+
+ dht_layout_unref(this, parent_layout);
+ parent_layout = NULL;
+
+ ret = dict_set_str(local->params, GF_PREOP_PARENT_KEY, conf->xattr_name);
+ if (ret < 0) {
+ local->op_errno = -ret;
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "setting %s key in params dictionary failed. ",
+ gf_fop_list[stub->fop], pgfid, loc->name, loc->path,
+ GF_PREOP_PARENT_KEY);
+ goto err;
+ }
+
+ ret = dict_set_bin(local->params, conf->xattr_name, parent_disk_layout,
+ 4 * 4);
+ if (ret < 0) {
+ local->op_errno = -ret;
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "setting parent-layout in params dictionary failed. ",
+ gf_fop_list[stub->fop], pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ parent_disk_layout = NULL;
+ local->hashed_subvol = hashed_subvol;
+
+ local->current = &local->lock[0];
+ ret = dht_protect_namespace(frame, loc, hashed_subvol, &local->current->ns,
+ dht_call_mkdir_stub);
+ if (ret < 0)
+ goto err;
+
+ return 0;
err:
- if (parent_disk_layout != NULL)
- GF_FREE (parent_disk_layout);
+ if (parent_disk_layout != NULL)
+ GF_FREE(parent_disk_layout);
- if (parent_layout != NULL)
- dht_layout_unref (this, parent_layout);
+ if (parent_layout != NULL)
+ dht_layout_unref(this, parent_layout);
- return -1;
+ return -1;
}
int
-dht_mknod (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, dev_t rdev, mode_t umask, dict_t *params)
+dht_mknod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t rdev, mode_t umask, dict_t *params)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- int i = 0;
- int ret = 0;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ int i = 0;
+ int ret = 0;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
- conf = this->private;
+ conf = this->private;
- dht_get_du_info (frame, this, loc);
+ dht_get_du_info(frame, this, loc);
- local = dht_local_init (frame, loc, NULL, GF_FOP_MKNOD);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ local = dht_local_init(frame, loc, NULL, GF_FOP_MKNOD);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- subvol = dht_subvol_get_hashed (this, loc);
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no subvolume in layout for path=%s",
- loc->path);
- op_errno = EIO;
- goto err;
- }
+ subvol = dht_subvol_get_hashed(this, loc);
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no subvolume in layout for path=%s",
+ loc->path);
+ op_errno = EIO;
+ goto err;
+ }
- /* Post remove-brick, the client layout may not be in sync with
- * disk layout because of lack of lookup. Hence,a mknod call
- * may fall on the decommissioned brick. Hence, if the
- * hashed_subvol is part of decommissioned bricks list, do a
- * lookup on parent dir. If a fix-layout is already done by the
- * remove-brick process, the parent directory layout will be in
- * sync with that of the disk. If fix-layout is still ending
- * on the parent directory, we can let the file get created on
- * the decommissioned brick which will be eventually migrated to
- * non-decommissioned brick based on the new layout.
- */
+ /* Post remove-brick, the client layout may not be in sync with
+ * disk layout because of lack of lookup. Hence,a mknod call
+ * may fall on the decommissioned brick. Hence, if the
+ * hashed_subvol is part of decommissioned bricks list, do a
+ * lookup on parent dir. If a fix-layout is already done by the
+ * remove-brick process, the parent directory layout will be in
+ * sync with that of the disk. If fix-layout is still ending
+ * on the parent directory, we can let the file get created on
+ * the decommissioned brick which will be eventually migrated to
+ * non-decommissioned brick based on the new layout.
+ */
- if (conf->decommission_subvols_cnt) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->decommissioned_bricks[i] &&
- conf->decommissioned_bricks[i] == subvol) {
-
- gf_msg_debug (this->name, 0, "hashed subvol:%s is "
- "part of decommission brick list for "
- "file: %s", subvol->name, loc->path);
-
- /* dht_refresh_layout needs directory info in
- * local->loc. Hence, storing the parent_loc in
- * local->loc and storing the create context in
- * local->loc2. We will restore this information
- * in dht_creation do */
-
- ret = loc_copy (&local->loc2, &local->loc);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY,
- "loc_copy failed %s", loc->path);
-
- goto err;
- }
+ if (conf->decommission_subvols_cnt) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->decommissioned_bricks[i] &&
+ conf->decommissioned_bricks[i] == subvol) {
+ gf_msg_debug(this->name, 0,
+ "hashed subvol:%s is "
+ "part of decommission brick list for "
+ "file: %s",
+ subvol->name, loc->path);
+
+ /* dht_refresh_layout needs directory info in
+ * local->loc. Hence, storing the parent_loc in
+ * local->loc and storing the create context in
+ * local->loc2. We will restore this information
+ * in dht_creation do */
+
+ ret = loc_copy(&local->loc2, &local->loc);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "loc_copy failed %s", loc->path);
- local->params = dict_ref (params);
- local->rdev = rdev;
- local->mode = mode;
- local->umask = umask;
+ goto err;
+ }
- loc_wipe (&local->loc);
+ local->params = dict_ref(params);
+ local->rdev = rdev;
+ local->mode = mode;
+ local->umask = umask;
- ret = dht_build_parent_loc (this, &local->loc, loc,
- &op_errno);
+ loc_wipe(&local->loc);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_LOC_FAILED,
- "parent loc build failed");
- goto err;
- }
+ ret = dht_build_parent_loc(this, &local->loc, loc, &op_errno);
- ret = dht_mknod_lock (frame, subvol);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_LOC_FAILED,
+ "parent loc build failed");
+ goto err;
+ }
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_INODE_LK_ERROR,
- "locking parent failed");
- goto err;
- }
+ ret = dht_mknod_lock(frame, subvol);
- goto done;
- }
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_INODE_LK_ERROR,
+ "locking parent failed");
+ goto err;
+ }
+
+ goto done;
}
}
+ }
- dht_mknod_wind_to_avail_subvol (frame, this, subvol, loc, rdev, mode,
- umask, params);
+ dht_mknod_wind_to_avail_subvol(frame, this, subvol, loc, rdev, mode, umask,
+ params);
done:
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (mknod, frame, -1, op_errno,
- NULL, NULL, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(mknod, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_symlink (call_frame_t *frame, xlator_t *this,
- const char *linkname, loc_t *loc, mode_t umask, dict_t *params)
+dht_symlink(call_frame_t *frame, xlator_t *this, const char *linkname,
+ loc_t *loc, mode_t umask, dict_t *params)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
- local = dht_local_init (frame, loc, NULL, GF_FOP_SYMLINK);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ local = dht_local_init(frame, loc, NULL, GF_FOP_SYMLINK);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- subvol = dht_subvol_get_hashed (this, loc);
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no subvolume in layout for path=%s",
- loc->path);
- op_errno = EIO;
- goto err;
- }
+ subvol = dht_subvol_get_hashed(this, loc);
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no subvolume in layout for path=%s",
+ loc->path);
+ op_errno = EIO;
+ goto err;
+ }
- gf_msg_trace (this->name, 0,
- "creating %s on %s", loc->path, subvol->name);
+ gf_msg_trace(this->name, 0, "creating %s on %s", loc->path, subvol->name);
- STACK_WIND_COOKIE (frame, dht_newfile_cbk, (void *)subvol, subvol,
- subvol->fops->symlink, linkname, loc, umask,
- params);
+ STACK_WIND_COOKIE(frame, dht_newfile_cbk, (void *)subvol, subvol,
+ subvol->fops->symlink, linkname, loc, umask, params);
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (link, frame, -1, op_errno,
- NULL, NULL, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(link, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
- dict_t *xdata)
+dht_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+ dict_t *xdata)
{
- xlator_t *cached_subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
+ xlator_t *cached_subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
- local = dht_local_init (frame, loc, NULL, GF_FOP_UNLINK);
- if (!local) {
- op_errno = ENOMEM;
+ local = dht_local_init(frame, loc, NULL, GF_FOP_UNLINK);
+ if (!local) {
+ op_errno = ENOMEM;
- goto err;
- }
+ goto err;
+ }
- cached_subvol = local->cached_subvol;
- if (!cached_subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
+ cached_subvol = local->cached_subvol;
+ if (!cached_subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for path=%s",
+ loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
- local->flags = xflag;
- STACK_WIND_COOKIE (frame, dht_unlink_cbk, cached_subvol, cached_subvol,
- cached_subvol->fops->unlink, loc, xflag, xdata);
+ local->flags = xflag;
+ STACK_WIND_COOKIE(frame, dht_unlink_cbk, cached_subvol, cached_subvol,
+ cached_subvol->fops->unlink, loc, xflag, xdata);
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (unlink, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(unlink, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-int
-dht_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- int ret = -1;
- gf_boolean_t stbuf_merged = _gf_false;
- xlator_t *subvol = NULL;
- call_frame_t *cleanup_frame = NULL;
- dht_local_t *cleanup_local = NULL;
+static int
+dht_remove_stale_linkto_cbk(int ret, call_frame_t *sync_frame, void *data)
+{
+ DHT_STACK_DESTROY(sync_frame);
+ return 0;
+}
- local = frame->local;
+static int
+dht_remove_stale_linkto(void *data)
+{
+ call_frame_t *frame = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ dict_t *xdata_in = NULL;
+ int ret = 0;
- if (op_ret == -1) {
- /* Remove the linkto if exists */
- if (local->linked) {
- cleanup_frame = create_frame (this, this->ctx->pool);
- if (cleanup_frame) {
- cleanup_local = dht_local_init (cleanup_frame,
- &local->loc2,
- NULL, 0);
- if (!cleanup_local || !local->link_subvol) {
- DHT_STACK_DESTROY (cleanup_frame);
- goto out;
- }
- cleanup_local->link_subvol = local->link_subvol;
- FRAME_SU_DO (cleanup_frame, dht_local_t);
- ret = synctask_new (this->ctx->env,
- dht_remove_stale_linkto,
- dht_remove_stale_linkto_cbk,
- cleanup_frame,
- cleanup_frame);
- }
- }
- /* No continuation on DHT inode missing errors, as we should
- * then have a good stbuf that states P2 happened. We would
- * get inode missing if, the file completed migrated between
- * the lookup and the link call */
- goto out;
- }
+ GF_VALIDATE_OR_GOTO("dht", data, out);
- /* Update parent on success, even if P1/2 checks are positive.
- * The second call on success will further update the parent */
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- preparent, 0);
- dht_inode_ctx_time_update (local->loc.parent, this,
- postparent, 1);
- }
-
- /* Update linkto attrs, if this is the first call and non-P2,
- * if we detect P2 then we need to trust the attrs from the
- * second call, not the first */
- if (local->linked == _gf_true &&
- ((local->call_cnt == 1 && !IS_DHT_MIGRATION_PHASE2 (stbuf))
- || (local->call_cnt != 1 &&
- IS_DHT_MIGRATION_PHASE2 (&local->stbuf)))) {
- dht_iatt_merge (this, &local->stbuf, stbuf);
- stbuf_merged = _gf_true;
- dht_linkfile_attr_heal (frame, this);
- }
-
- /* No further P1/2 checks if we are in the second iteration of
- * the call */
- if (local->call_cnt != 1) {
- goto out;
- } else {
- /* Preserve the return values, in case the migration decides
- * to recreate the link on the same subvol that the current
- * hased for the link was created on. */
- dht_iatt_merge (this, &local->preparent, preparent);
- dht_iatt_merge (this, &local->postparent, postparent);
- if (!stbuf_merged) {
- dht_iatt_merge (this, &local->stbuf, stbuf);
- stbuf_merged = _gf_true;
- }
+ frame = data;
+ local = frame->local;
+ this = frame->this;
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", local, out);
+ GF_VALIDATE_OR_GOTO("dht", local->link_subvol, out);
- local->inode = inode_ref (inode);
- }
+ xdata_in = dict_new();
+ if (!xdata_in)
+ goto out;
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- local->rebalance.target_op_fn = dht_link2;
- dht_set_local_rebalance (this, local, stbuf, preparent,
- postparent, xdata);
-
- /* Check if the rebalance phase2 is true */
- if (IS_DHT_MIGRATION_PHASE2 (stbuf)) {
- ret = dht_inode_ctx_get_mig_info (this, local->loc.inode, NULL,
- &subvol);
- if (!subvol) {
- /* Phase 2 of migration */
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- } else {
- dht_link2 (this, subvol, frame, 0);
- return 0;
- }
- }
+ ret = dht_fill_dict_to_avoid_unlink_of_migrating_file(xdata_in);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, 0,
+ "Failed to set keys for stale linkto"
+ "deletion on path %s",
+ local->loc.path);
+ goto out;
+ }
+
+ ret = syncop_unlink(local->link_subvol, &local->loc, xdata_in, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, 0,
+ "Removal of linkto failed"
+ " on path %s at subvol %s",
+ local->loc.path, local->link_subvol->name);
+ }
+out:
+ if (xdata_in)
+ dict_unref(xdata_in);
+ return ret;
+}
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (stbuf)) {
- ret = dht_inode_ctx_get_mig_info (this, local->loc.inode, NULL,
- &subvol);
- if (subvol) {
- dht_link2 (this, subvol, frame, 0);
- return 0;
- }
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
+static int
+dht_link_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ int ret = -1;
+ gf_boolean_t stbuf_merged = _gf_false;
+ xlator_t *subvol = NULL;
+ call_frame_t *cleanup_frame = NULL;
+ dht_local_t *cleanup_local = NULL;
+
+ local = frame->local;
+
+ if (op_ret == -1) {
+ /* Remove the linkto if exists */
+ if (local->linked) {
+ cleanup_frame = create_frame(this, this->ctx->pool);
+ if (cleanup_frame) {
+ cleanup_local = dht_local_init(cleanup_frame, &local->loc2,
+ NULL, 0);
+ if (!cleanup_local || !local->link_subvol) {
+ DHT_STACK_DESTROY(cleanup_frame);
+ goto out;
+ }
+ cleanup_local->link_subvol = local->link_subvol;
+ FRAME_SU_DO(cleanup_frame, dht_local_t);
+ ret = synctask_new(this->ctx->env, dht_remove_stale_linkto,
+ dht_remove_stale_linkto_cbk, cleanup_frame,
+ cleanup_frame);
+ }
}
+ /* No continuation on DHT inode missing errors, as we should
+ * then have a good stbuf that states P2 happened. We would
+ * get inode missing if, the file completed migrated between
+ * the lookup and the link call */
+ goto out;
+ }
+
+ /* Update parent on success, even if P1/2 checks are positive.
+ * The second call on success will further update the parent */
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this, preparent, 0);
+ dht_inode_ctx_time_update(local->loc.parent, this, postparent, 1);
+ }
+
+ /* Update linkto attrs, if this is the first call and non-P2,
+ * if we detect P2 then we need to trust the attrs from the
+ * second call, not the first */
+ if (local->linked == _gf_true &&
+ ((local->call_cnt == 1 && !IS_DHT_MIGRATION_PHASE2(stbuf)) ||
+ (local->call_cnt != 1 && IS_DHT_MIGRATION_PHASE2(&local->stbuf)))) {
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ stbuf_merged = _gf_true;
+ dht_linkfile_attr_heal(frame, this);
+ }
+
+ /* No further P1/2 checks if we are in the second iteration of
+ * the call */
+ if (local->call_cnt != 1) {
+ goto out;
+ } else {
+ /* Preserve the return values, in case the migration decides
+ * to recreate the link on the same subvol that the current
+ * hased for the link was created on. */
+ dht_iatt_merge(this, &local->preparent, preparent);
+ dht_iatt_merge(this, &local->postparent, postparent);
+ if (!stbuf_merged) {
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ stbuf_merged = _gf_true;
+ }
+
+ local->inode = inode_ref(inode);
+ }
+
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ local->rebalance.target_op_fn = dht_link2;
+ dht_set_local_rebalance(this, local, stbuf, preparent, postparent, xdata);
+
+ /* Check if the rebalance phase2 is true */
+ if (IS_DHT_MIGRATION_PHASE2(stbuf)) {
+ ret = dht_inode_ctx_get_mig_info(this, local->loc.inode, NULL, &subvol);
+ if (!subvol) {
+ /* Phase 2 of migration */
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ } else {
+ dht_link2(this, subvol, frame, 0);
+ return 0;
+ }
+ }
+
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(stbuf)) {
+ ret = dht_inode_ctx_get_mig_info(this, local->loc.inode, NULL, &subvol);
+ if (subvol) {
+ dht_link2(this, subvol, frame, 0);
+ return 0;
+ }
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (stbuf);
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
- dht_set_fixed_dir_stat (preparent);
- dht_set_fixed_dir_stat (postparent);
- DHT_STACK_UNWIND (link, frame, op_ret, op_errno, inode, stbuf,
- preparent, postparent, NULL);
+ dht_set_fixed_dir_stat(preparent);
+ dht_set_fixed_dir_stat(postparent);
+ DHT_STACK_UNWIND(link, frame, op_ret, op_errno, inode, stbuf, preparent,
+ postparent, NULL);
- return 0;
+ return 0;
}
-
-int
-dht_link2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_link2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
- local = frame->local;
- if (!local)
- goto err;
+ local = frame->local;
+ if (!local)
+ goto err;
- op_errno = local->op_errno;
+ op_errno = local->op_errno;
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
- DHT_STACK_UNWIND (link, frame, local->op_ret, op_errno,
- local->inode,
- &local->stbuf, &local->preparent,
- &local->postparent, NULL);
- return 0;
- }
+ DHT_STACK_UNWIND(link, frame, local->op_ret, op_errno, local->inode,
+ &local->stbuf, &local->preparent, &local->postparent,
+ NULL);
+ return 0;
+ }
- if (subvol == NULL) {
- op_errno = EINVAL;
- goto err;
- }
+ if (subvol == NULL) {
+ op_errno = EINVAL;
+ goto err;
+ }
- /* Second call to create link file could result in EEXIST as the
- * first call created the linkto in the currently
- * migrating subvol, which could be the new hashed subvol */
- if (local->link_subvol == subvol) {
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
- DHT_STACK_UNWIND (link, frame, 0, 0, local->inode,
- &local->stbuf, &local->preparent,
- &local->postparent, NULL);
+ /* Second call to create link file could result in EEXIST as the
+ * first call created the linkto in the currently
+ * migrating subvol, which could be the new hashed subvol */
+ if (local->link_subvol == subvol) {
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
+ DHT_STACK_UNWIND(link, frame, 0, 0, local->inode, &local->stbuf,
+ &local->preparent, &local->postparent, NULL);
- return 0;
- }
+ return 0;
+ }
- local->call_cnt = 2;
+ local->call_cnt = 2;
- STACK_WIND (frame, dht_link_cbk, subvol, subvol->fops->link,
- &local->loc, &local->loc2, local->xattr_req);
+ STACK_WIND(frame, dht_link_cbk, subvol, subvol->fops->link, &local->loc,
+ &local->loc2, local->xattr_req);
- return 0;
+ return 0;
err:
- DHT_STACK_UNWIND (link, frame, -1, op_errno, NULL, NULL, NULL,
- NULL, NULL);
+ DHT_STACK_UNWIND(link, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-int
-dht_link_linkfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+static int
+dht_link_linkfile_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *srcvol = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *srcvol = NULL;
- if (op_ret == -1)
- goto err;
+ if (op_ret == -1)
+ goto err;
- local = frame->local;
- srcvol = local->linkfile.srcvol;
+ local = frame->local;
+ srcvol = local->linkfile.srcvol;
- STACK_WIND (frame, dht_link_cbk, srcvol, srcvol->fops->link,
- &local->loc, &local->loc2, local->xattr_req);
+ STACK_WIND(frame, dht_link_cbk, srcvol, srcvol->fops->link, &local->loc,
+ &local->loc2, local->xattr_req);
- return 0;
+ return 0;
err:
- DHT_STRIP_PHASE1_FLAGS (stbuf);
- dht_set_fixed_dir_stat (preparent);
- dht_set_fixed_dir_stat (postparent);
- DHT_STACK_UNWIND (link, frame, op_ret, op_errno, inode, stbuf, preparent,
- postparent, xdata);
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
+ dht_set_fixed_dir_stat(preparent);
+ dht_set_fixed_dir_stat(postparent);
+ DHT_STACK_UNWIND(link, frame, op_ret, op_errno, inode, stbuf, preparent,
+ postparent, xdata);
+
+ return 0;
+}
+
+int
+dht_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata)
+{
+ xlator_t *cached_subvol = NULL;
+ xlator_t *hashed_subvol = NULL;
+ int op_errno = -1;
+ int ret = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(oldloc, err);
+ VALIDATE_OR_GOTO(newloc, err);
+
+ local = dht_local_init(frame, oldloc, NULL, GF_FOP_LINK);
+ if (!local) {
+ op_errno = ENOMEM;
+
+ goto err;
+ }
+ local->call_cnt = 1;
+
+ cached_subvol = local->cached_subvol;
+ if (!cached_subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for path=%s",
+ oldloc->path);
+ op_errno = ENOENT;
+ goto err;
+ }
+
+ hashed_subvol = dht_subvol_get_hashed(this, newloc);
+ if (!hashed_subvol) {
+ gf_msg_debug(this->name, 0, "no subvolume in layout for path=%s",
+ newloc->path);
+ op_errno = EIO;
+ goto err;
+ }
+
+ ret = loc_copy(&local->loc2, newloc);
+ if (ret == -1) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ if (hashed_subvol != cached_subvol) {
+ gf_uuid_copy(local->gfid, oldloc->inode->gfid);
+ dht_linkfile_create(frame, dht_link_linkfile_cbk, this, cached_subvol,
+ hashed_subvol, newloc);
+ } else {
+ STACK_WIND(frame, dht_link_cbk, cached_subvol,
+ cached_subvol->fops->link, oldloc, newloc, xdata);
+ }
+
+ return 0;
- return 0;
-}
+err:
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(link, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
+ return 0;
+}
int
-dht_link (call_frame_t *frame, xlator_t *this,
- loc_t *oldloc, loc_t *newloc, dict_t *xdata)
+dht_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, fd_t *fd, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
{
- xlator_t *cached_subvol = NULL;
- xlator_t *hashed_subvol = NULL;
- int op_errno = -1;
- int ret = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (oldloc, err);
- VALIDATE_OR_GOTO (newloc, err);
-
- local = dht_local_init (frame, oldloc, NULL, GF_FOP_LINK);
- if (!local) {
- op_errno = ENOMEM;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ dht_local_t *local = NULL;
+ gf_boolean_t parent_layout_changed = _gf_false;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ xlator_t *subvol = NULL;
- goto err;
- }
- local->call_cnt = 1;
-
- cached_subvol = local->cached_subvol;
- if (!cached_subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s", oldloc->path);
- op_errno = ENOENT;
- goto err;
- }
+ local = frame->local;
- hashed_subvol = dht_subvol_get_hashed (this, newloc);
- if (!hashed_subvol) {
- gf_msg_debug (this->name, 0,
- "no subvolume in layout for path=%s",
- newloc->path);
- op_errno = EIO;
- goto err;
- }
+ local = frame->local;
+ if (!local) {
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
- ret = loc_copy (&local->loc2, newloc);
- if (ret == -1) {
- op_errno = ENOMEM;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ parent_layout_changed = (xdata &&
+ dict_get(xdata, GF_PREOP_CHECK_FAILED))
+ ? _gf_true
+ : _gf_false;
+
+ if (parent_layout_changed) {
+ if (local && local->lock[0].layout.parent_layout.locks) {
+ /* Returning failure as the layout could not be fixed even under
+ * the lock */
+ goto out;
+ }
- if (hashed_subvol != cached_subvol) {
- gf_uuid_copy (local->gfid, oldloc->inode->gfid);
- dht_linkfile_create (frame, dht_link_linkfile_cbk, this,
- cached_subvol, hashed_subvol, newloc);
- } else {
- STACK_WIND (frame, dht_link_cbk,
- cached_subvol, cached_subvol->fops->link,
- oldloc, newloc, xdata);
- }
+ gf_uuid_unparse(local->loc.parent->gfid, pgfid);
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "create (%s/%s) (path: %s): parent layout "
+ "changed. Attempting a layout refresh and then a "
+ "retry",
+ pgfid, local->loc.name, local->loc.path);
- return 0;
+ /*
+ dht_refresh_layout needs directory info in local->loc.Hence,
+ storing the parent_loc in local->loc and storing the create
+ context in local->loc2. We will restore this information in
+ dht_creation_do.
+ */
-err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (link, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
+ loc_wipe(&local->loc2);
- return 0;
-}
+ ret = loc_copy(&local->loc2, &local->loc);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "loc_copy failed %s", local->loc.path);
+ goto out;
+ }
-int
-dht_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- fd_t *fd, inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
-{
- xlator_t *prev = NULL;
- int ret = -1;
- dht_local_t *local = NULL;
+ loc_wipe(&local->loc);
- local = frame->local;
- if (!local) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
+ ret = dht_build_parent_loc(this, &local->loc, &local->loc2,
+ &op_errno);
- if (op_ret == -1)
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_LOC_FAILED,
+ "parent loc build failed");
goto out;
+ }
- prev = cookie;
+ subvol = dht_subvol_get_hashed(this, &local->loc2);
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- preparent, 0);
+ ret = dht_create_lock(frame, subvol);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_INODE_LK_ERROR,
+ "locking parent failed");
+ goto out;
+ }
- dht_inode_ctx_time_update (local->loc.parent, this,
- postparent, 1);
+ return 0;
}
- ret = dht_fd_ctx_set (this, fd, prev);
- if (ret != 0) {
- gf_msg_debug (this->name, 0, "Possible fd leak. "
- "Could not set fd ctx for subvol %s",
- prev->name);
- }
-
-
- ret = dht_layout_preset (this, prev, inode);
- if (ret != 0) {
- gf_msg_debug (this->name, 0,
- "could not set preset layout for subvol %s",
- prev->name);
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
+ goto out;
+ }
+
+ prev = cookie;
+
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this, preparent, 0);
+
+ dht_inode_ctx_time_update(local->loc.parent, this, postparent, 1);
+ }
+
+ ret = dht_fd_ctx_set(this, fd, prev);
+ if (ret != 0) {
+ gf_msg_debug(this->name, 0,
+ "Possible fd leak. "
+ "Could not set fd ctx for subvol %s",
+ prev->name);
+ }
+
+ ret = dht_layout_preset(this, prev, inode);
+ if (ret != 0) {
+ gf_msg_debug(this->name, 0, "could not set preset layout for subvol %s",
+ prev->name);
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
- local->op_errno = op_errno;
+ local->op_errno = op_errno;
- if (local->linked == _gf_true) {
- local->stbuf = *stbuf;
- dht_linkfile_attr_heal (frame, this);
- }
+ if (local->linked == _gf_true) {
+ local->stbuf = *stbuf;
+ dht_linkfile_attr_heal(frame, this);
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (stbuf);
- dht_set_fixed_dir_stat (preparent);
- dht_set_fixed_dir_stat (postparent);
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
+ dht_set_fixed_dir_stat(preparent);
+ dht_set_fixed_dir_stat(postparent);
- if (local && local->lock[0].layout.parent_layout.locks) {
- /* store op_errno for failure case*/
- local->op_errno = op_errno;
- local->refresh_layout_unlock (frame, this, op_ret, 1);
+ if (local && local->lock[0].layout.parent_layout.locks) {
+ /* store op_errno for failure case*/
+ local->op_errno = op_errno;
+ local->refresh_layout_unlock(frame, this, op_ret, 1);
- if (op_ret == 0) {
- DHT_STACK_UNWIND (create, frame, op_ret, op_errno, fd,
- inode, stbuf, preparent, postparent,
- xdata);
- }
- } else {
- DHT_STACK_UNWIND (create, frame, op_ret, op_errno, fd, inode,
- stbuf, preparent, postparent, xdata);
+ if (op_ret == 0) {
+ DHT_STACK_UNWIND(create, frame, op_ret, op_errno, fd, inode, stbuf,
+ preparent, postparent, xdata);
}
- return 0;
+ } else {
+ DHT_STACK_UNWIND(create, frame, op_ret, op_errno, fd, inode, stbuf,
+ preparent, postparent, xdata);
+ }
+ return 0;
}
-int
-dht_create_linkfile_create_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+static int
+dht_create_linkfile_create_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *cached_subvol = NULL;
- dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *cached_subvol = NULL;
+ dht_conf_t *conf = NULL;
- local = frame->local;
- if (!local) {
- op_errno = EINVAL;
- goto err;
- }
+ local = frame->local;
+ if (!local) {
+ op_errno = EINVAL;
+ goto err;
+ }
- if (op_ret == -1) {
- local->op_errno = op_errno;
- goto err;
- }
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ goto err;
+ }
- conf = this->private;
- if (!conf) {
- local->op_errno = EINVAL;
- op_errno = EINVAL;
- goto err;
- }
+ conf = this->private;
+ if (!conf) {
+ local->op_errno = EINVAL;
+ op_errno = EINVAL;
+ goto err;
+ }
- cached_subvol = local->cached_subvol;
+ cached_subvol = local->cached_subvol;
- if (local->params) {
- dict_del (local->params, conf->link_xattr_name);
- dict_del (local->params, GLUSTERFS_INTERNAL_FOP_KEY);
- }
+ if (local->params) {
+ dict_del(local->params, conf->link_xattr_name);
+ dict_del(local->params, GLUSTERFS_INTERNAL_FOP_KEY);
+ }
- STACK_WIND_COOKIE (frame, dht_create_cbk, cached_subvol,
- cached_subvol, cached_subvol->fops->create,
- &local->loc, local->flags, local->mode,
- local->umask, local->fd, local->params);
+ STACK_WIND_COOKIE(frame, dht_create_cbk, cached_subvol, cached_subvol,
+ cached_subvol->fops->create, &local->loc, local->flags,
+ local->mode, local->umask, local->fd, local->params);
- return 0;
+ return 0;
err:
- if (local && local->lock[0].layout.parent_layout.locks) {
- local->refresh_layout_unlock (frame, this, -1, 1);
- } else {
- DHT_STACK_UNWIND (create, frame, -1,
- op_errno, NULL, NULL, NULL,
- NULL, NULL, NULL);
- }
- return 0;
+ if (local && local->lock[0].layout.parent_layout.locks) {
+ local->refresh_layout_unlock(frame, this, -1, 1);
+ } else {
+ DHT_STACK_UNWIND(create, frame, -1, op_errno, NULL, NULL, NULL, NULL,
+ NULL, NULL);
+ }
+ return 0;
}
-int
-dht_create_wind_to_avail_subvol (call_frame_t *frame, xlator_t *this,
- xlator_t *subvol, loc_t *loc, int32_t flags,
- mode_t mode, mode_t umask, fd_t *fd,
- dict_t *params)
+static int
+dht_create_wind_to_avail_subvol(call_frame_t *frame, xlator_t *this,
+ xlator_t *subvol, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd,
+ dict_t *params)
{
- dht_local_t *local = NULL;
- xlator_t *avail_subvol = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *avail_subvol = NULL;
- local = frame->local;
-
- if (!dht_is_subvol_filled (this, subvol)) {
- gf_msg_debug (this->name, 0,
- "creating %s on %s", loc->path,
- subvol->name);
+ local = frame->local;
- STACK_WIND_COOKIE (frame, dht_create_cbk, subvol,
- subvol, subvol->fops->create,
- loc, flags, mode, umask, fd, params);
+ if (!dht_is_subvol_filled(this, subvol)) {
+ gf_msg_debug(this->name, 0, "creating %s on %s", loc->path,
+ subvol->name);
- } else {
- avail_subvol = dht_free_disk_available_subvol (this, subvol, local);
+ dht_set_parent_layout_in_dict(loc, this, local);
- if (avail_subvol != subvol) {
- local->params = dict_ref (params);
- local->flags = flags;
- local->mode = mode;
- local->umask = umask;
- local->cached_subvol = avail_subvol;
- local->hashed_subvol = subvol;
+ STACK_WIND_COOKIE(frame, dht_create_cbk, subvol, subvol,
+ subvol->fops->create, loc, flags, mode, umask, fd,
+ params);
- gf_msg_debug (this->name, 0,
- "creating %s on %s (link at %s)", loc->path,
- avail_subvol->name, subvol->name);
+ } else {
+ avail_subvol = dht_free_disk_available_subvol(this, subvol, local);
- dht_linkfile_create (frame, dht_create_linkfile_create_cbk,
- this, avail_subvol, subvol, loc);
+ if (avail_subvol != subvol) {
+ local->cached_subvol = avail_subvol;
+ local->hashed_subvol = subvol;
- goto out;
- }
+ gf_msg_debug(this->name, 0, "creating %s on %s (link at %s)",
+ loc->path, avail_subvol->name, subvol->name);
- gf_msg_debug (this->name, 0,
- "creating %s on %s", loc->path, subvol->name);
+ dht_linkfile_create(frame, dht_create_linkfile_create_cbk, this,
+ avail_subvol, subvol, loc);
- STACK_WIND_COOKIE (frame, dht_create_cbk, subvol,
- subvol, subvol->fops->create,
- loc, flags, mode, umask, fd, params);
+ goto out;
}
+
+ gf_msg_debug(this->name, 0, "creating %s on %s", loc->path,
+ subvol->name);
+
+ dht_set_parent_layout_in_dict(loc, this, local);
+
+ STACK_WIND_COOKIE(frame, dht_create_cbk, subvol, subvol,
+ subvol->fops->create, loc, flags, mode, umask, fd,
+ params);
+ }
out:
- return 0;
+ return 0;
}
int
-dht_build_parent_loc (xlator_t *this, loc_t *parent, loc_t *child,
- int32_t *op_errno)
+dht_build_parent_loc(xlator_t *this, loc_t *parent, loc_t *child,
+ int32_t *op_errno)
{
- inode_table_t *table = NULL;
- int ret = -1;
+ inode_table_t *table = NULL;
+ int ret = -1;
- if (!parent || !child) {
- if (op_errno)
- *op_errno = EINVAL;
- goto out;
- }
+ if (!parent || !child) {
+ if (op_errno)
+ *op_errno = EINVAL;
+ goto out;
+ }
- if (child->parent) {
- parent->inode = inode_ref (child->parent);
- if (!parent->inode) {
- if (op_errno)
- *op_errno = EINVAL;
- goto out;
- }
+ if (child->parent) {
+ parent->inode = inode_ref(child->parent);
+ if (!parent->inode) {
+ if (op_errno)
+ *op_errno = EINVAL;
+ goto out;
+ }
- gf_uuid_copy (parent->gfid, child->pargfid);
+ gf_uuid_copy(parent->gfid, child->pargfid);
- ret = 0;
+ ret = 0;
- goto out;
- } else {
- if (gf_uuid_is_null (child->pargfid)) {
- if (op_errno)
- *op_errno = EINVAL;
- goto out;
- }
+ goto out;
+ } else {
+ if (gf_uuid_is_null(child->pargfid)) {
+ if (op_errno)
+ *op_errno = EINVAL;
+ goto out;
+ }
- table = this->itable;
+ table = this->itable;
- if (!table) {
- if (op_errno) {
- *op_errno = EINVAL;
- goto out;
- }
- }
+ if (!table) {
+ if (op_errno) {
+ *op_errno = EINVAL;
+ goto out;
+ }
+ }
- parent->inode = inode_find (table, child->pargfid);
+ parent->inode = inode_find(table, child->pargfid);
- if (!parent->inode) {
- if (op_errno) {
- *op_errno = EINVAL;
- goto out;
- }
- }
+ if (!parent->inode) {
+ if (op_errno) {
+ *op_errno = EINVAL;
+ goto out;
+ }
+ }
- gf_uuid_copy (parent->gfid, child->pargfid);
+ gf_uuid_copy(parent->gfid, child->pargfid);
- ret = 0;
- }
+ ret = 0;
+ }
out:
- return ret;
+ return ret;
}
-
-int32_t
-dht_create_do (call_frame_t *frame)
+static int32_t
+dht_create_do(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- dht_layout_t *refreshed = NULL;
- xlator_t *subvol = NULL;
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- dht_methods_t *methods = NULL;
+ dht_local_t *local = NULL;
+ dht_layout_t *refreshed = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ dht_methods_t *methods = NULL;
- local = frame->local;
+ local = frame->local;
- this = THIS;
+ this = THIS;
- conf = this->private;
+ conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, err);
+ GF_VALIDATE_OR_GOTO(this->name, conf, err);
- methods = &(conf->methods);
+ methods = &(conf->methods);
- /* We don't need parent_loc anymore */
- loc_wipe (&local->loc);
+ /* We don't need parent_loc anymore */
+ loc_wipe(&local->loc);
- loc_copy (&local->loc, &local->loc2);
+ loc_copy(&local->loc, &local->loc2);
- loc_wipe (&local->loc2);
+ loc_wipe(&local->loc2);
- refreshed = local->selfheal.refreshed_layout;
+ refreshed = local->selfheal.refreshed_layout;
- subvol = methods->layout_search (this, refreshed, local->loc.name);
+ subvol = methods->layout_search(this, refreshed, local->loc.name);
- if (!subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED, "no subvolume in "
- "layout for path=%s", local->loc.path);
- local->op_errno = ENOENT;
- goto err;
- }
+ if (!subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "no subvolume in "
+ "layout for path=%s",
+ local->loc.path);
+ local->op_errno = ENOENT;
+ goto err;
+ }
- dht_create_wind_to_avail_subvol (frame, this, subvol, &local->loc,
- local->flags, local->mode,
- local->umask, local->fd, local->params);
- return 0;
+ dht_create_wind_to_avail_subvol(frame, this, subvol, &local->loc,
+ local->flags, local->mode, local->umask,
+ local->fd, local->params);
+ return 0;
err:
- local->refresh_layout_unlock (frame, this, -1, 1);
+ local->refresh_layout_unlock(frame, this, -1, 1);
- return 0;
+ return 0;
}
-int32_t
-dht_create_unlock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int32_t
+dht_create_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
-int32_t
-dht_create_finish (call_frame_t *frame, xlator_t *this, int op_ret,
- int invoke_cbk)
+static int32_t
+dht_create_finish(call_frame_t *frame, xlator_t *this, int op_ret,
+ int invoke_cbk)
{
- dht_local_t *local = NULL, *lock_local = NULL;
- call_frame_t *lock_frame = NULL;
- int lock_count = 0;
-
- local = frame->local;
- lock_count = dht_lock_count (local->lock[0].layout.parent_layout.locks,
- local->lock[0].layout.parent_layout.lk_count);
- if (lock_count == 0)
- goto done;
-
- lock_frame = copy_frame (frame);
- if (lock_frame == NULL) {
- goto done;
- }
-
- lock_local = dht_local_init (lock_frame, &local->loc, NULL,
- lock_frame->root->op);
- if (lock_local == NULL) {
- goto done;
- }
-
- lock_local->lock[0].layout.parent_layout.locks = local->lock[0].layout.parent_layout.locks;
- lock_local->lock[0].layout.parent_layout.lk_count = local->lock[0].layout.parent_layout.lk_count;
-
- local->lock[0].layout.parent_layout.locks = NULL;
- local->lock[0].layout.parent_layout.lk_count = 0;
-
- dht_unlock_inodelk (lock_frame,
- lock_local->lock[0].layout.parent_layout.locks,
- lock_local->lock[0].layout.parent_layout.lk_count,
- dht_create_unlock_cbk);
- lock_frame = NULL;
+ dht_local_t *local = NULL, *lock_local = NULL;
+ call_frame_t *lock_frame = NULL;
+ int lock_count = 0;
+
+ local = frame->local;
+ lock_count = dht_lock_count(local->lock[0].layout.parent_layout.locks,
+ local->lock[0].layout.parent_layout.lk_count);
+ if (lock_count == 0)
+ goto done;
+
+ lock_frame = copy_frame(frame);
+ if (lock_frame == NULL) {
+ goto done;
+ }
+
+ lock_local = dht_local_init(lock_frame, &local->loc, NULL,
+ lock_frame->root->op);
+ if (lock_local == NULL) {
+ goto done;
+ }
+
+ lock_local->lock[0]
+ .layout.parent_layout.locks = local->lock[0].layout.parent_layout.locks;
+ lock_local->lock[0].layout.parent_layout.lk_count =
+ local->lock[0].layout.parent_layout.lk_count;
+
+ local->lock[0].layout.parent_layout.locks = NULL;
+ local->lock[0].layout.parent_layout.lk_count = 0;
+
+ dht_unlock_inodelk(lock_frame,
+ lock_local->lock[0].layout.parent_layout.locks,
+ lock_local->lock[0].layout.parent_layout.lk_count,
+ dht_create_unlock_cbk);
+ lock_frame = NULL;
done:
- if (lock_frame != NULL) {
- DHT_STACK_DESTROY (lock_frame);
- }
+ if (lock_frame != NULL) {
+ DHT_STACK_DESTROY(lock_frame);
+ }
- if (op_ret == 0)
- return 0;
-
- DHT_STACK_UNWIND (create, frame, op_ret, local->op_errno, NULL, NULL,
- NULL, NULL, NULL, NULL);
+ if (op_ret == 0)
return 0;
+
+ DHT_STACK_UNWIND(create, frame, op_ret, local->op_errno, NULL, NULL, NULL,
+ NULL, NULL, NULL);
+ return 0;
}
-int32_t
-dht_create_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int32_t
+dht_create_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (!local) {
- goto err;
- }
+ if (!local) {
+ goto err;
+ }
- if (op_ret < 0) {
- gf_msg ("DHT", GF_LOG_ERROR, 0, DHT_MSG_INODE_LK_ERROR,
- "Create lock failed for file: %s", local->loc2.name);
+ if (op_ret < 0) {
+ gf_msg("DHT", GF_LOG_ERROR, 0, DHT_MSG_INODE_LK_ERROR,
+ "Create lock failed for file: %s", local->loc2.name);
- local->op_errno = op_errno;
+ local->op_errno = op_errno;
- goto err;
- }
+ goto err;
+ }
- local->refresh_layout_unlock = dht_create_finish;
+ local->refresh_layout_unlock = dht_create_finish;
- local->refresh_layout_done = dht_create_do;
+ local->refresh_layout_done = dht_create_do;
- dht_refresh_layout (frame);
+ dht_refresh_layout(frame);
- return 0;
+ return 0;
err:
- dht_create_finish (frame, this, -1, 0);
- return 0;
+ if (local)
+ dht_create_finish(frame, this, -1, 0);
+ else
+ DHT_STACK_UNWIND(create, frame, -1, EINVAL, NULL, NULL, NULL, NULL,
+ NULL, NULL);
+ return 0;
}
int32_t
-dht_create_lock (call_frame_t *frame, xlator_t *subvol)
+dht_create_lock(call_frame_t *frame, xlator_t *subvol)
{
- dht_local_t *local = NULL;
- int count = 1, ret = -1;
- dht_lock_t **lk_array = NULL;
+ dht_local_t *local = NULL;
+ int count = 1, ret = -1;
+ dht_lock_t **lk_array = NULL;
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO (frame->this->name, frame->local, err);
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO(frame->this->name, frame->local, err);
- local = frame->local;
+ local = frame->local;
- lk_array = GF_CALLOC (count, sizeof (*lk_array), gf_common_mt_pointer);
+ lk_array = GF_CALLOC(count, sizeof(*lk_array), gf_common_mt_pointer);
- if (lk_array == NULL)
- goto err;
+ if (lk_array == NULL)
+ goto err;
- lk_array[0] = dht_lock_new (frame->this, subvol, &local->loc, F_RDLCK,
- DHT_LAYOUT_HEAL_DOMAIN, NULL,
- IGNORE_ENOENT_ESTALE);
+ lk_array[0] = dht_lock_new(frame->this, subvol, &local->loc, F_RDLCK,
+ DHT_LAYOUT_HEAL_DOMAIN, NULL,
+ IGNORE_ENOENT_ESTALE);
- if (lk_array[0] == NULL)
- goto err;
+ if (lk_array[0] == NULL)
+ goto err;
- local->lock[0].layout.parent_layout.locks = lk_array;
- local->lock[0].layout.parent_layout.lk_count = count;
+ local->lock[0].layout.parent_layout.locks = lk_array;
+ local->lock[0].layout.parent_layout.lk_count = count;
- ret = dht_blocking_inodelk (frame, lk_array, count,
- dht_create_lock_cbk);
+ ret = dht_blocking_inodelk(frame, lk_array, count, dht_create_lock_cbk);
- if (ret < 0) {
- local->lock[0].layout.parent_layout.locks = NULL;
- local->lock[0].layout.parent_layout.lk_count = 0;
- goto err;
- }
+ if (ret < 0) {
+ local->lock[0].layout.parent_layout.locks = NULL;
+ local->lock[0].layout.parent_layout.lk_count = 0;
+ goto err;
+ }
- return 0;
+ return 0;
err:
- if (lk_array != NULL) {
- dht_lock_array_free (lk_array, count);
- GF_FREE (lk_array);
- }
+ if (lk_array != NULL) {
+ dht_lock_array_free(lk_array, count);
+ GF_FREE(lk_array);
+ }
+
+ return -1;
+}
+
+int
+dht_set_parent_layout_in_dict(loc_t *loc, xlator_t *this, dht_local_t *local)
+{
+ dht_conf_t *conf = this->private;
+ dht_layout_t *parent_layout = NULL;
+ int *parent_disk_layout = NULL;
+ xlator_t *hashed_subvol = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = 0;
+
+ gf_uuid_unparse(loc->parent->gfid, pgfid);
+
+ parent_layout = dht_layout_get(this, loc->parent);
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+
+ ret = dht_disk_layout_extract_for_subvol(this, parent_layout, hashed_subvol,
+ &parent_disk_layout);
+ if (ret == -1) {
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "extracting in-memory layout of parent failed. ",
+ gf_fop_list[local->fop], pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ ret = dict_set_str_sizen(local->params, GF_PREOP_PARENT_KEY,
+ conf->xattr_name);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "setting %s key in params dictionary failed. ",
+ gf_fop_list[local->fop], pgfid, loc->name, loc->path,
+ GF_PREOP_PARENT_KEY);
+ goto err;
+ }
+
+ ret = dict_set_bin(local->params, conf->xattr_name, parent_disk_layout,
+ 4 * 4);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "%s (%s/%s) (path: %s): "
+ "setting parent-layout in params dictionary failed. ",
+ gf_fop_list[local->fop], pgfid, loc->name, loc->path);
+ goto err;
+ }
- return -1;
+err:
+ dht_layout_unref(this, parent_layout);
+ return ret;
}
int
-dht_create (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t flags, mode_t mode,
- mode_t umask, fd_t *fd, dict_t *params)
+dht_create(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *params)
{
- int op_errno = -1;
- xlator_t *subvol = NULL;
- dht_local_t *local = NULL;
- int i = 0;
- dht_conf_t *conf = NULL;
- int ret = 0;
+ int op_errno = -1;
+ xlator_t *subvol = NULL;
+ xlator_t *hashed_subvol = NULL;
+ dht_local_t *local = NULL;
+ int i = 0;
+ dht_conf_t *conf = NULL;
+ int ret = 0;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
- conf = this->private;
+ conf = this->private;
- dht_get_du_info (frame, this, loc);
+ dht_get_du_info(frame, this, loc);
- local = dht_local_init (frame, loc, fd, GF_FOP_CREATE);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ local = dht_local_init(frame, loc, fd, GF_FOP_CREATE);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- if (dht_filter_loc_subvol_key (this, loc, &local->loc,
- &subvol)) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_SUBVOL_INFO,
- "creating %s on %s (got create on %s)",
- local->loc.path, subvol->name, loc->path);
- STACK_WIND_COOKIE (frame, dht_create_cbk, subvol,
- subvol, subvol->fops->create, &local->loc,
- flags, mode, umask, fd, params);
- goto done;
- }
+ local->params = dict_ref(params);
+ local->flags = flags;
+ local->mode = mode;
+ local->umask = umask;
- subvol = dht_subvol_get_hashed (this, loc);
- if (!subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "no subvolume in layout for path=%s",
- loc->path);
+ if (dht_filter_loc_subvol_key(this, loc, &local->loc, &subvol)) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_SUBVOL_INFO,
+ "creating %s on %s (got create on %s)", local->loc.path,
+ subvol->name, loc->path);
- op_errno = EIO;
- goto err;
- }
+ /* Since lookup-optimize is enabled by default, we need
+ * to create the linkto file if required.
+ * Note this does not check for decommisioned bricks
+ * and min-free-disk limits as this is a debugging tool
+ * and not expected to be used in production.
+ */
+ hashed_subvol = dht_subvol_get_hashed(this, &local->loc);
- /* Post remove-brick, the client layout may not be in sync with
- * disk layout because of lack of lookup. Hence,a create call
- * may fall on the decommissioned brick. Hence, if the
- * hashed_subvol is part of decommissioned bricks list, do a
- * lookup on parent dir. If a fix-layout is already done by the
- * remove-brick process, the parent directory layout will be in
- * sync with that of the disk. If fix-layout is still ending
- * on the parent directory, we can let the file get created on
- * the decommissioned brick which will be eventually migrated to
- * non-decommissioned brick based on the new layout.
- */
+ if (hashed_subvol && (hashed_subvol != subvol)) {
+ /* Create the linkto file and then the data file */
+ local->cached_subvol = subvol;
+ local->hashed_subvol = hashed_subvol;
- if (conf->decommission_subvols_cnt) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->decommissioned_bricks[i] &&
- conf->decommissioned_bricks[i] == subvol) {
-
- gf_msg_debug (this->name, 0, "hashed subvol:%s is "
- "part of decommission brick list for "
- "file: %s", subvol->name, loc->path);
-
- /* dht_refresh_layout needs directory info in
- * local->loc. Hence, storing the parent_loc in
- * local->loc and storing the create context in
- * local->loc2. We will restore this information
- * in dht_creation do */
-
- ret = loc_copy (&local->loc2, &local->loc);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY,
- "loc_copy failed %s", loc->path);
-
- goto err;
- }
+ dht_linkfile_create(frame, dht_create_linkfile_create_cbk, this,
+ subvol, hashed_subvol, &local->loc);
+ goto done;
+ }
+ /* We either don't have a hashed subvol or the hashed subvol is
+ * the same as the one specified. No need to create the linkto
+ * file as we expect a lookup everywhere if there are problems
+ * with the parent layout
+ */
- local->params = dict_ref (params);
- local->flags = flags;
- local->mode = mode;
- local->umask = umask;
+ dht_set_parent_layout_in_dict(loc, this, local);
+
+ STACK_WIND_COOKIE(frame, dht_create_cbk, subvol, subvol,
+ subvol->fops->create, &local->loc, flags, mode, umask,
+ fd, params);
+ goto done;
+ }
+
+ subvol = dht_subvol_get_hashed(this, loc);
+ if (!subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "no subvolume in layout for path=%s", loc->path);
+
+ op_errno = EIO;
+ goto err;
+ }
+
+ /* Post remove-brick, the client layout may not be in sync with
+ * disk layout because of lack of lookup. Hence,a create call
+ * may fall on the decommissioned brick. Hence, if the
+ * hashed_subvol is part of decommissioned bricks list, do a
+ * lookup on parent dir. If a fix-layout is already done by the
+ * remove-brick process, the parent directory layout will be in
+ * sync with that of the disk. If fix-layout is still ending
+ * on the parent directory, we can let the file get created on
+ * the decommissioned brick which will be eventually migrated to
+ * non-decommissioned brick based on the new layout.
+ */
+
+ if (conf->decommission_subvols_cnt) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->decommissioned_bricks[i] &&
+ conf->decommissioned_bricks[i] == subvol) {
+ gf_msg_debug(this->name, 0,
+ "hashed subvol:%s is "
+ "part of decommission brick list for "
+ "file: %s",
+ subvol->name, loc->path);
+
+ /* dht_refresh_layout needs directory info in
+ * local->loc. Hence, storing the parent_loc in
+ * local->loc and storing the create context in
+ * local->loc2. We will restore this information
+ * in dht_creation do */
+
+ ret = loc_copy(&local->loc2, &local->loc);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "loc_copy failed %s", loc->path);
- loc_wipe (&local->loc);
+ goto err;
+ }
- ret = dht_build_parent_loc (this, &local->loc, loc,
- &op_errno);
+ loc_wipe(&local->loc);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_LOC_FAILED,
- "parent loc build failed");
- goto err;
- }
+ ret = dht_build_parent_loc(this, &local->loc, loc, &op_errno);
- ret = dht_create_lock (frame, subvol);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_LOC_FAILED,
+ "parent loc build failed");
+ goto err;
+ }
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_INODE_LK_ERROR,
- "locking parent failed");
- goto err;
- }
+ ret = dht_create_lock(frame, subvol);
- goto done;
- }
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_INODE_LK_ERROR,
+ "locking parent failed");
+ goto err;
+ }
+
+ goto done;
}
}
+ }
-
- dht_create_wind_to_avail_subvol (frame, this, subvol, loc, flags, mode,
- umask, fd, params);
+ dht_create_wind_to_avail_subvol(frame, this, subvol, loc, flags, mode,
+ umask, fd, params);
done:
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (create, frame, -1, op_errno, NULL, NULL, NULL,
- NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(create, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL,
+ NULL);
- return 0;
+ return 0;
}
-
-int
-dht_mkdir_selfheal_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int
+dht_mkdir_selfheal_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
- local = frame->local;
- layout = local->selfheal.layout;
+ local = frame->local;
+ layout = local->selfheal.layout;
- FRAME_SU_UNDO (frame, dht_local_t);
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
+ FRAME_SU_UNDO(frame, dht_local_t);
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
- if (op_ret == 0) {
- dht_layout_set (this, local->inode, layout);
+ if (op_ret == 0) {
+ dht_layout_set(this, local->inode, layout);
- dht_inode_ctx_time_update (local->inode, this,
- &local->stbuf, 1);
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->preparent, 0);
+ dht_inode_ctx_time_update(local->inode, this, &local->stbuf, 1);
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->preparent, 0);
- dht_inode_ctx_time_update (local->loc.parent, this,
- &local->postparent, 1);
- }
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
}
+ }
- DHT_STACK_UNWIND (mkdir, frame, op_ret, op_errno,
- local->inode, &local->stbuf, &local->preparent,
- &local->postparent, NULL);
+ DHT_STACK_UNWIND(mkdir, frame, op_ret, op_errno, local->inode,
+ &local->stbuf, &local->preparent, &local->postparent,
+ NULL);
- return 0;
+ return 0;
}
-int
-dht_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- int ret = -1;
- gf_boolean_t subvol_filled = _gf_false;
- gf_boolean_t dir_exists = _gf_false;
- xlator_t *prev = NULL;
- dht_layout_t *layout = NULL;
-
- local = frame->local;
- prev = cookie;
- layout = local->layout;
-
- subvol_filled = dht_is_subvol_filled (this, prev);
-
- LOCK (&frame->lock);
- {
- if (subvol_filled && (op_ret != -1)) {
- ret = dht_layout_merge (this, layout, prev,
- -1, ENOSPC, NULL);
- } else {
- if (op_ret == -1 && op_errno == EEXIST) {
- /* Very likely just a race between mkdir and
- self-heal (from lookup of a concurrent mkdir
- attempt).
- Ignore error for now. layout setting will
- anyways fail if this was a different (old)
- pre-existing different directory.
- */
- op_ret = 0;
- dir_exists = _gf_true;
- }
- ret = dht_layout_merge (this, layout, prev,
- op_ret, op_errno, NULL);
- }
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_MERGE_FAILED,
- "%s: failed to merge layouts for subvol %s",
- local->loc.path, prev->name);
-
- if (op_ret == -1) {
- local->op_errno = op_errno;
- goto unlock;
- }
-
- if (dir_exists)
- goto unlock;
-
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->preparent, preparent);
- dht_iatt_merge (this, &local->postparent, postparent);
+static int
+dht_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ int ret = -1;
+ gf_boolean_t subvol_filled = _gf_false;
+ gf_boolean_t dir_exists = _gf_false;
+ xlator_t *prev = NULL;
+ dht_layout_t *layout = NULL;
+
+ local = frame->local;
+ prev = cookie;
+ layout = local->layout;
+
+ subvol_filled = dht_is_subvol_filled(this, prev);
+
+ LOCK(&frame->lock);
+ {
+ if (subvol_filled && (op_ret != -1)) {
+ ret = dht_layout_merge(this, layout, prev, -1, ENOSPC, NULL);
+ } else {
+ if (op_ret == -1 && op_errno == EEXIST) {
+ /* Very likely just a race between mkdir and
+ self-heal (from lookup of a concurrent mkdir
+ attempt).
+ Ignore error for now. layout setting will
+ anyways fail if this was a different (old)
+ pre-existing different directory.
+ */
+ op_ret = 0;
+ dir_exists = _gf_true;
+ }
+ ret = dht_layout_merge(this, layout, prev, op_ret, op_errno, NULL);
}
-unlock:
- UNLOCK (&frame->lock);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LAYOUT_MERGE_FAILED,
+ "%s: failed to merge layouts for subvol %s", local->loc.path,
+ prev->name);
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- /*Unlock entrylk and inodelk once mkdir is done on all subvols*/
- dht_unlock_namespace (frame, &local->lock[0]);
- FRAME_SU_DO (frame, dht_local_t);
- dht_selfheal_new_directory (frame, dht_mkdir_selfheal_cbk,
- layout);
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ goto unlock;
}
- return 0;
-}
+ if (dir_exists)
+ goto unlock;
-int
-dht_mkdir_hashed_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata);
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->preparent, preparent);
+ dht_iatt_merge(this, &local->postparent, postparent);
+ }
+unlock:
+ UNLOCK(&frame->lock);
-int
-dht_mkdir_helper (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, mode_t umask, dict_t *params)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int op_errno = -1, ret = -1;
- xlator_t *hashed_subvol = NULL;
- int32_t *parent_disk_layout = NULL;
- dht_layout_t *parent_layout = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (loc->path, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- gf_uuid_unparse (loc->parent->gfid, pgfid);
-
- conf = this->private;
- local = frame->local;
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ /*Unlock entrylk and inodelk once mkdir is done on all subvols*/
+ dht_unlock_namespace(frame, &local->lock[0]);
+ FRAME_SU_DO(frame, dht_local_t);
+ dht_selfheal_new_directory(frame, dht_mkdir_selfheal_cbk, layout);
+ }
- if (local->op_ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): refreshing parent layout "
- "failed.", pgfid, loc->name,
- loc->path);
+ return 0;
+}
- op_errno = local->op_errno;
- goto err;
- }
+static int
+dht_mkdir_hashed_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata);
- local->op_ret = -1;
+static int
+dht_mkdir_helper(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *params)
+{
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int op_errno = -1, ret = -1;
+ xlator_t *hashed_subvol = NULL;
+ int32_t *parent_disk_layout = NULL;
+ dht_layout_t *parent_layout = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(loc->path, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ gf_uuid_unparse(loc->parent->gfid, pgfid);
+
+ conf = this->private;
+ local = frame->local;
+
+ if (local->op_ret == -1) {
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s): refreshing parent layout "
+ "failed.",
+ pgfid, loc->name, loc->path);
- hashed_subvol = dht_subvol_get_hashed (this, loc);
- if (hashed_subvol == NULL) {
- gf_msg_debug (this->name, 0,
- "mkdir (%s/%s) (path: %s): hashed subvol not "
- "found", pgfid, loc->name, loc->path);
- op_errno = ENOENT;
- goto err;
- }
+ op_errno = local->op_errno;
+ goto err;
+ }
+
+ local->op_ret = -1;
+
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+ if (hashed_subvol == NULL) {
+ gf_msg_debug(this->name, 0,
+ "mkdir (%s/%s) (path: %s): hashed subvol not "
+ "found",
+ pgfid, loc->name, loc->path);
+ op_errno = ENOENT;
+ goto err;
+ }
+
+ local->hashed_subvol = hashed_subvol;
+
+ parent_layout = dht_layout_get(this, loc->parent);
+
+ ret = dht_disk_layout_extract_for_subvol(this, parent_layout, hashed_subvol,
+ &parent_disk_layout);
+ if (ret == -1) {
+ gf_msg(this->name, GF_LOG_WARNING, EIO, DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s): "
+ "extracting in-memory layout of parent failed. ",
+ pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ if (memcmp(local->parent_disk_layout, parent_disk_layout,
+ sizeof(local->parent_disk_layout)) == 0) {
+ gf_msg(this->name, GF_LOG_WARNING, EIO, DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s): loop detected. "
+ "parent layout didn't change even though "
+ "previous attempt of mkdir failed because of "
+ "in-memory layout not matching with that on disk.",
+ pgfid, loc->name, loc->path);
+ op_errno = EIO;
+ goto err;
+ }
+
+ memcpy((void *)local->parent_disk_layout, (void *)parent_disk_layout,
+ sizeof(local->parent_disk_layout));
+
+ dht_layout_unref(this, parent_layout);
+ parent_layout = NULL;
+
+ ret = dict_set_str(params, GF_PREOP_PARENT_KEY, conf->xattr_name);
+ if (ret < 0) {
+ local->op_errno = -ret;
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s): "
+ "setting %s key in params dictionary failed. ",
+ pgfid, loc->name, loc->path, GF_PREOP_PARENT_KEY);
+ goto err;
+ }
+
+ ret = dict_set_bin(params, conf->xattr_name, parent_disk_layout, 4 * 4);
+ if (ret < 0) {
+ local->op_errno = -ret;
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "setting parent-layout in params dictionary failed. "
+ "mkdir (%s/%s) (path: %s)",
+ pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ parent_disk_layout = NULL;
+
+ STACK_WIND_COOKIE(frame, dht_mkdir_hashed_cbk, hashed_subvol, hashed_subvol,
+ hashed_subvol->fops->mkdir, loc, mode, umask, params);
+
+ return 0;
- local->hashed_subvol = hashed_subvol;
+err:
+ dht_unlock_namespace(frame, &local->lock[0]);
- parent_layout = dht_layout_get (this, loc->parent);
+ op_errno = local ? local->op_errno : op_errno;
+ DHT_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
- ret = dht_disk_layout_extract_for_subvol (this, parent_layout,
- hashed_subvol,
- &parent_disk_layout);
- if (ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, EIO,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "extracting in-memory layout of parent failed. ",
- pgfid, loc->name, loc->path);
- goto err;
- }
+ if (parent_disk_layout != NULL)
+ GF_FREE(parent_disk_layout);
- if (memcmp (local->parent_disk_layout, parent_disk_layout,
- sizeof (local->parent_disk_layout)) == 0) {
- gf_msg (this->name, GF_LOG_WARNING, EIO,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): loop detected. "
- "parent layout didn't change even though "
- "previous attempt of mkdir failed because of "
- "in-memory layout not matching with that on disk.",
- pgfid, loc->name, loc->path);
- op_errno = EIO;
- goto err;
- }
+ if (parent_layout != NULL)
+ dht_layout_unref(this, parent_layout);
- memcpy ((void *)local->parent_disk_layout, (void *)parent_disk_layout,
- sizeof (local->parent_disk_layout));
+ return 0;
+}
- dht_layout_unref (this, parent_layout);
- parent_layout = NULL;
+static int
+dht_mkdir_hashed_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ int ret = -1;
+ xlator_t *prev = NULL;
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ xlator_t *hashed_subvol = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ gf_boolean_t parent_layout_changed = _gf_false;
+ call_stub_t *stub = NULL;
+
+ local = frame->local;
+ prev = cookie;
+ layout = local->layout;
+ conf = this->private;
+ hashed_subvol = local->hashed_subvol;
+
+ gf_uuid_unparse(local->loc.parent->gfid, pgfid);
+
+ if (gf_uuid_is_null(local->loc.gfid) && !op_ret)
+ gf_uuid_copy(local->loc.gfid, stbuf->ia_gfid);
+
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
- ret = dict_set_str (params, GF_PREOP_PARENT_KEY, conf->xattr_name);
- if (ret < 0) {
- local->op_errno = -ret;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "setting %s key in params dictionary failed. ",
- pgfid, loc->name, loc->path, GF_PREOP_PARENT_KEY);
+ parent_layout_changed = (xdata &&
+ dict_get(xdata, GF_PREOP_CHECK_FAILED))
+ ? 1
+ : 0;
+ if (parent_layout_changed) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s): parent layout "
+ "changed. Attempting a refresh and then a "
+ "retry",
+ pgfid, local->loc.name, local->loc.path);
+
+ stub = fop_mkdir_stub(frame, dht_mkdir_helper, &local->loc,
+ local->mode, local->umask, local->params);
+ if (stub == NULL) {
goto err;
- }
+ }
- ret = dict_set_bin (params, conf->xattr_name, parent_disk_layout,
- 4 * 4);
- if (ret < 0) {
- local->op_errno = -ret;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "setting parent-layout in params dictionary failed. "
- "mkdir (%s/%s) (path: %s)", pgfid, loc->name,
- loc->path);
+ ret = dht_handle_parent_layout_change(this, stub);
+ if (ret) {
goto err;
- }
-
- parent_disk_layout = NULL;
-
- STACK_WIND_COOKIE (frame, dht_mkdir_hashed_cbk, hashed_subvol,
- hashed_subvol, hashed_subvol->fops->mkdir,
- loc, mode, umask, params);
-
- return 0;
+ }
+ stub = NULL;
+
+ return 0;
+ }
+
+ goto err;
+ }
+
+ dict_del(local->params, GF_PREOP_PARENT_KEY);
+ dict_del(local->params, conf->xattr_name);
+
+ if (dht_is_subvol_filled(this, hashed_subvol))
+ ret = dht_layout_merge(this, layout, prev, -1, ENOSPC, NULL);
+ else
+ ret = dht_layout_merge(this, layout, prev, op_ret, op_errno, NULL);
+
+ /* TODO: we may have to return from the function
+ if layout merge fails. For now, lets just log an error */
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LAYOUT_MERGE_FAILED,
+ "%s: failed to merge layouts for subvol %s", local->loc.path,
+ prev->name);
+
+ local->op_ret = 0;
+
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->preparent, preparent);
+ dht_iatt_merge(this, &local->postparent, postparent);
+
+ local->call_cnt = conf->subvolume_cnt - 1;
+ /* Delete internal mds xattr from params dict to avoid store
+ internal mds xattr on other subvols
+ */
+ dict_del(local->params, conf->mds_xattr_key);
+
+ if (gf_uuid_is_null(local->loc.gfid))
+ gf_uuid_copy(local->loc.gfid, stbuf->ia_gfid);
+
+ /* Set hashed subvol as a mds subvol on inode ctx */
+ /*if (!local->inode)
+ local->inode = inode_ref (inode);
+ */
+ ret = dht_inode_ctx_mdsvol_set(local->inode, this, hashed_subvol);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SET_INODE_CTX_FAILED,
+ "Failed to set hashed subvol for %s on inode vol is %s",
+ local->loc.path, hashed_subvol->name);
+ }
+
+ if (local->call_cnt == 0) {
+ /*Unlock namespace lock once mkdir is done on all subvols*/
+ dht_unlock_namespace(frame, &local->lock[0]);
+ FRAME_SU_DO(frame, dht_local_t);
+ dht_selfheal_directory(frame, dht_mkdir_selfheal_cbk, &local->loc,
+ layout);
+ return 0;
+ }
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == hashed_subvol)
+ continue;
+ STACK_WIND_COOKIE(frame, dht_mkdir_cbk, conf->subvolumes[i],
+ conf->subvolumes[i], conf->subvolumes[i]->fops->mkdir,
+ &local->loc, local->mode, local->umask,
+ local->params);
+ }
+
+ return 0;
err:
- dht_unlock_namespace (frame, &local->lock[0]);
-
- op_errno = local ? local->op_errno : op_errno;
- DHT_STACK_UNWIND (mkdir, frame, -1, op_errno, NULL, NULL, NULL,
- NULL, NULL);
-
- if (parent_disk_layout != NULL)
- GF_FREE (parent_disk_layout);
+ if (local->op_ret != 0) {
+ dht_unlock_namespace(frame, &local->lock[0]);
+ }
- if (parent_layout != NULL)
- dht_layout_unref (this, parent_layout);
+ DHT_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-int
-dht_mkdir_hashed_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
-{
- dht_local_t *local = NULL;
- int ret = -1;
- xlator_t *prev = NULL;
- dht_layout_t *layout = NULL;
- dht_conf_t *conf = NULL;
- int i = 0;
- xlator_t *hashed_subvol = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- gf_boolean_t parent_layout_changed = _gf_false;
- call_stub_t *stub = NULL;
-
- VALIDATE_OR_GOTO (this->private, err);
-
- local = frame->local;
- prev = cookie;
- layout = local->layout;
- conf = this->private;
- hashed_subvol = local->hashed_subvol;
-
- gf_uuid_unparse (local->loc.parent->gfid, pgfid);
-
- if (gf_uuid_is_null (local->loc.gfid) && !op_ret)
- gf_uuid_copy (local->loc.gfid, stbuf->ia_gfid);
-
- if (op_ret == -1) {
- local->op_errno = op_errno;
-
- parent_layout_changed = (xdata && dict_get (xdata, GF_PREOP_CHECK_FAILED))
- ? 1 : 0;
- if (parent_layout_changed) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): parent layout "
- "changed. Attempting a refresh and then a "
- "retry", pgfid, local->loc.name,
- local->loc.path);
-
- stub = fop_mkdir_stub (frame, dht_mkdir_helper,
- &local->loc, local->mode,
- local->umask, local->params);
- if (stub == NULL) {
- goto err;
- }
-
- dht_handle_parent_layout_change (this, stub);
- stub = NULL;
-
- return 0;
- }
-
- goto err;
- }
-
- dict_del (local->params, GF_PREOP_PARENT_KEY);
- dict_del (local->params, conf->xattr_name);
-
- if (dht_is_subvol_filled (this, hashed_subvol))
- ret = dht_layout_merge (this, layout, prev,
- -1, ENOSPC, NULL);
- else
- ret = dht_layout_merge (this, layout, prev,
- op_ret, op_errno, NULL);
-
- /* TODO: we may have to return from the function
- if layout merge fails. For now, lets just log an error */
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_MERGE_FAILED,
- "%s: failed to merge layouts for subvol %s",
- local->loc.path, prev->name);
-
- local->op_ret = 0;
-
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->preparent, preparent);
- dht_iatt_merge (this, &local->postparent, postparent);
-
- local->call_cnt = conf->subvolume_cnt - 1;
- /* Delete internal mds xattr from params dict to avoid store
- internal mds xattr on other subvols
- */
- dict_del (local->params, conf->mds_xattr_key);
+static int
+dht_mkdir_guard_parent_layout_cbk(call_frame_t *frame, xlator_t *this,
+ loc_t *loc, mode_t mode, mode_t umask,
+ dict_t *params)
+{
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = 0;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = -1;
+ int32_t zero[1] = {0};
+
+ local = frame->local;
+ conf = this->private;
+
+ gf_uuid_unparse(loc->parent->gfid, pgfid);
+
+ if (local->op_ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s): "
+ "Acquiring lock on parent to guard against "
+ "layout-change failed.",
+ pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ local->op_ret = -1;
+ /* Add internal MDS xattr on disk for hashed subvol
+ */
+ ret = dht_dict_set_array(params, conf->mds_xattr_key, zero, 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value:key = %s for "
+ "path %s",
+ conf->mds_xattr_key, loc->path);
+ }
+
+ STACK_WIND_COOKIE(frame, dht_mkdir_hashed_cbk, local->hashed_subvol,
+ local->hashed_subvol, local->hashed_subvol->fops->mkdir,
+ loc, mode, umask, params);
+
+ return 0;
+err:
+ DHT_STACK_UNWIND(mkdir, frame, -1, local->op_errno, NULL, NULL, NULL, NULL,
+ NULL);
+
+ return 0;
+}
+
+int
+dht_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *params)
+{
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int op_errno = EINVAL, ret = -1;
+ xlator_t *hashed_subvol = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ call_stub_t *stub = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(loc->path, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ gf_uuid_unparse(loc->parent->gfid, pgfid);
+
+ conf = this->private;
+
+ if (!params || !dict_get(params, "gfid-req")) {
+ op_errno = EPERM;
+ gf_msg_callingfn(this->name, GF_LOG_WARNING, op_errno,
+ DHT_MSG_GFID_NULL,
+ "mkdir: %s is received "
+ "without gfid-req %p",
+ loc->path, params);
+ goto err;
+ }
+
+ dht_get_du_info(frame, this, loc);
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_MKDIR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+ if (hashed_subvol == NULL) {
+ gf_msg_debug(this->name, 0, "hashed subvol not found for %s",
+ loc->path);
+ local->op_errno = EIO;
+ goto err;
+ }
+
+ local->hashed_subvol = hashed_subvol;
+ local->mode = mode;
+ local->umask = umask;
+ if (params)
+ local->params = dict_ref(params);
+
+ local->inode = inode_ref(loc->inode);
+
+ local->layout = dht_layout_new(this, conf->subvolume_cnt);
+ if (!local->layout) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ /* set the newly created directory hash to the commit hash
+ * if the configuration option is set. If configuration option
+ * is not set, the older clients may still be connecting to the
+ * volume and hence we need to preserve the 1 in disk[0] part of the
+ * layout xattr */
+ if (conf->lookup_optimize)
+ local->layout->commit_hash = conf->vol_commit_hash;
+ else
+ local->layout->commit_hash = DHT_LAYOUT_HASH_INVALID;
+
+ stub = fop_mkdir_stub(frame, dht_mkdir_guard_parent_layout_cbk, loc, mode,
+ umask, params);
+ if (stub == NULL) {
+ gf_msg(this->name, GF_LOG_WARNING, ENOMEM,
+ DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s): "
+ "creating stub failed.",
+ pgfid, loc->name, loc->path);
+ local->op_errno = ENOMEM;
+ goto err;
+ }
+
+ ret = dht_guard_parent_layout_and_namespace(this, stub);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_PARENT_LAYOUT_CHANGED,
+ "mkdir (%s/%s) (path: %s) cannot wind lock request to "
+ "guard parent layout",
+ pgfid, loc->name, loc->path);
+ goto err;
+ }
+
+ return 0;
- if (gf_uuid_is_null (local->loc.gfid))
- gf_uuid_copy (local->loc.gfid, stbuf->ia_gfid);
+err:
+ op_errno = local ? local->op_errno : op_errno;
+ DHT_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
- /* Set hashed subvol as a mds subvol on inode ctx */
- /*if (!local->inode)
- local->inode = inode_ref (inode);
- */
- ret = dht_inode_ctx_mdsvol_set (local->inode, this, hashed_subvol);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_SET_INODE_CTX_FAILED,
- "Failed to set hashed subvol for %s on inode vol is %s",
- local->loc.path, hashed_subvol->name);
- }
+ return 0;
+}
- if (local->call_cnt == 0) {
- /*Unlock namespace lock once mkdir is done on all subvols*/
- dht_unlock_namespace (frame, &local->lock[0]);
- FRAME_SU_DO (frame, dht_local_t);
- dht_selfheal_directory (frame, dht_mkdir_selfheal_cbk,
- &local->loc, layout);
- return 0;
- }
+static int
+dht_rmdir_selfheal_cbk(call_frame_t *heal_frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ dht_local_t *heal_local = NULL;
+ call_frame_t *main_frame = NULL;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == hashed_subvol)
- continue;
- STACK_WIND_COOKIE (frame, dht_mkdir_cbk, conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->mkdir,
- &local->loc, local->mode, local->umask,
- local->params);
- }
+ heal_local = heal_frame->local;
+ main_frame = heal_local->main_frame;
+ local = main_frame->local;
- return 0;
-err:
- if (local->op_ret != 0) {
- dht_unlock_namespace (frame, &local->lock[0]);
- }
+ DHT_STACK_DESTROY(heal_frame);
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
- DHT_STACK_UNWIND (mkdir, frame, -1, op_errno, NULL, NULL, NULL,
- NULL, NULL);
+ DHT_STACK_UNWIND(rmdir, main_frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, NULL);
- return 0;
+ return 0;
}
-int
-dht_mkdir_guard_parent_layout_cbk (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, mode_t umask,
- dict_t *params)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = 0;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- int ret = -1;
- int32_t zero[1] = {0};
-
- local = frame->local;
- conf = this->private;
-
- gf_uuid_unparse (loc->parent->gfid, pgfid);
+static int
+dht_rmdir_hashed_subvol_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ dht_local_t *heal_local = NULL;
+ call_frame_t *heal_frame = NULL;
+ dht_conf_t *conf = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ gf_uuid_unparse(local->loc.gfid, gfid);
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ local->op_ret = -1;
+ if (conf->subvolume_cnt != 1) {
+ if (op_errno != ENOENT && op_errno != EACCES &&
+ op_errno != ESTALE) {
+ local->need_selfheal = 1;
+ }
+ }
- if (local->op_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "Acquiring lock on parent to guard against "
- "layout-change failed.", pgfid, loc->name, loc->path);
- goto err;
+ gf_msg_debug(this->name, op_errno,
+ "rmdir on %s for %s failed "
+ "(gfid = %s)",
+ prev->name, local->loc.path, gfid);
+ goto unlock;
}
- local->op_ret = -1;
- /* Add internal MDS xattr on disk for hashed subvol
- */
- ret = dht_dict_set_array (params, conf->mds_xattr_key, zero, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s for "
- "path %s", conf->mds_xattr_key, loc->path);
- }
+ dht_iatt_merge(this, &local->preparent, preparent);
+ dht_iatt_merge(this, &local->postparent, postparent);
+ }
+unlock:
+ UNLOCK(&frame->lock);
- STACK_WIND_COOKIE (frame, dht_mkdir_hashed_cbk, local->hashed_subvol,
- local->hashed_subvol,
- local->hashed_subvol->fops->mkdir,
- loc, mode, umask, params);
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ if (local->need_selfheal) {
+ dht_rmdir_unlock(frame, this);
+ local->layout = dht_layout_get(this, local->loc.inode);
- return 0;
-err:
- DHT_STACK_UNWIND (mkdir, frame, -1, local->op_errno, NULL, NULL, NULL,
- NULL, NULL);
+ /* TODO: neater interface needed below */
+ local->stbuf.ia_type = local->loc.inode->ia_type;
- return 0;
-}
+ gf_uuid_copy(local->gfid, local->loc.inode->gfid);
-int
-dht_mkdir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, mode_t umask, dict_t *params)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int op_errno = -1, ret = -1;
- xlator_t *hashed_subvol = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- call_stub_t *stub = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (loc->path, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- gf_uuid_unparse (loc->parent->gfid, pgfid);
-
- conf = this->private;
-
- if (!params || !dict_get (params, "gfid-req")) {
- op_errno = EPERM;
- gf_msg_callingfn (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_GFID_NULL, "mkdir: %s is received "
- "without gfid-req %p", loc->path, params);
- goto err;
- }
+ /* Use a different frame or else the rmdir op_ret is
+ * overwritten by that of the selfheal */
- dht_get_du_info (frame, this, loc);
+ heal_frame = copy_frame(frame);
- local = dht_local_init (frame, loc, NULL, GF_FOP_MKDIR);
- if (!local) {
- op_errno = ENOMEM;
+ if (heal_frame == NULL) {
goto err;
- }
+ }
- hashed_subvol = dht_subvol_get_hashed (this, loc);
- if (hashed_subvol == NULL) {
- gf_msg_debug (this->name, 0,
- "hashed subvol not found for %s",
- loc->path);
- local->op_errno = EIO;
+ heal_local = dht_local_init(heal_frame, &local->loc, NULL, 0);
+ if (!heal_local) {
+ DHT_STACK_DESTROY(heal_frame);
goto err;
- }
-
-
- local->hashed_subvol = hashed_subvol;
- local->mode = mode;
- local->umask = umask;
- if (params)
- local->params = dict_ref (params);
+ }
- local->inode = inode_ref (loc->inode);
+ heal_local->inode = inode_ref(local->loc.inode);
+ heal_local->main_frame = frame;
+ gf_uuid_copy(heal_local->gfid, local->loc.inode->gfid);
- local->layout = dht_layout_new (this, conf->subvolume_cnt);
- if (!local->layout) {
- op_errno = ENOMEM;
- goto err;
- }
+ dht_selfheal_restore(heal_frame, dht_rmdir_selfheal_cbk,
+ &heal_local->loc, heal_local->layout);
+ return 0;
+ } else {
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->preparent, 0);
- /* set the newly created directory hash to the commit hash
- * if the configuration option is set. If configuration option
- * is not set, the older clients may still be connecting to the
- * volume and hence we need to preserve the 1 in disk[0] part of the
- * layout xattr */
- if (conf->lookup_optimize)
- local->layout->commit_hash = conf->vol_commit_hash;
- else
- local->layout->commit_hash = DHT_LAYOUT_HASH_INVALID;
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
+ }
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
- stub = fop_mkdir_stub (frame, dht_mkdir_guard_parent_layout_cbk, loc,
- mode, umask, params);
- if (stub == NULL) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "creating stub failed.", pgfid, loc->name, loc->path);
- local->op_errno = ENOMEM;
- goto err;
+ dht_rmdir_unlock(frame, this);
+ DHT_STACK_UNWIND(rmdir, frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, NULL);
}
+ }
- ret = dht_guard_parent_layout_and_namespace (this, stub);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s) cannot wind lock request to "
- "guard parent layout", pgfid, loc->name, loc->path);
- goto err;
- }
-
- return 0;
+ return 0;
err:
- op_errno = local ? local->op_errno : op_errno;
- DHT_STACK_UNWIND (mkdir, frame, -1, op_errno, NULL, NULL, NULL,
- NULL, NULL);
-
- return 0;
+ DHT_STACK_UNWIND(rmdir, frame, local->op_ret, local->op_errno, NULL, NULL,
+ NULL);
+ return 0;
}
-
-int
-dht_rmdir_selfheal_cbk (call_frame_t *heal_frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+static int
+dht_rmdir_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_local_t *heal_local = NULL;
- call_frame_t *main_frame = NULL;
-
- heal_local = heal_frame->local;
- main_frame = heal_local->main_frame;
- local = main_frame->local;
-
- DHT_STACK_DESTROY (heal_frame);
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
-
- DHT_STACK_UNWIND (rmdir, main_frame, local->op_ret, local->op_errno,
- &local->preparent, &local->postparent, NULL);
-
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
+static int
+dht_rmdir_unlock(call_frame_t *frame, xlator_t *this)
+{
+ dht_local_t *local = NULL, *lock_local = NULL;
+ call_frame_t *lock_frame = NULL;
+ int lock_count = 0;
-int
-dht_rmdir_hashed_subvol_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- dht_local_t *heal_local = NULL;
- call_frame_t *heal_frame = NULL;
- dht_conf_t *conf = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- char gfid[GF_UUID_BUF_SIZE] ={0};
-
- local = frame->local;
- prev = cookie;
- conf = this->private;
-
- gf_uuid_unparse(local->loc.gfid, gfid);
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- local->op_ret = -1;
- if (conf->subvolume_cnt != 1) {
- if (op_errno != ENOENT && op_errno != EACCES
- && op_errno != ESTALE) {
- local->need_selfheal = 1;
- }
- }
-
- gf_msg_debug (this->name, op_errno,
- "rmdir on %s for %s failed "
- "(gfid = %s)",
- prev->name, local->loc.path,
- gfid);
- goto unlock;
- }
-
- dht_iatt_merge (this, &local->preparent, preparent);
- dht_iatt_merge (this, &local->postparent, postparent);
-
- }
-unlock:
- UNLOCK (&frame->lock);
-
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- if (local->need_selfheal) {
- dht_rmdir_unlock (frame, this);
- local->layout =
- dht_layout_get (this, local->loc.inode);
-
- /* TODO: neater interface needed below */
- local->stbuf.ia_type = local->loc.inode->ia_type;
-
- gf_uuid_copy (local->gfid, local->loc.inode->gfid);
-
- /* Use a different frame or else the rmdir op_ret is
- * overwritten by that of the selfheal */
+ local = frame->local;
- heal_frame = copy_frame (frame);
+ /* Unlock entrylk */
+ dht_unlock_entrylk_wrapper(frame, &local->lock[0].ns.directory_ns);
- if (heal_frame == NULL) {
- goto err;
- }
+ /* Unlock inodelk */
+ lock_count = dht_lock_count(local->lock[0].ns.parent_layout.locks,
+ local->lock[0].ns.parent_layout.lk_count);
- heal_local = dht_local_init (heal_frame,
- &local->loc,
- NULL, 0);
- if (!heal_local) {
- DHT_STACK_DESTROY (heal_frame);
- goto err;
- }
+ if (lock_count == 0)
+ goto done;
- heal_local->inode = inode_ref (local->loc.inode);
- heal_local->main_frame = frame;
- gf_uuid_copy (heal_local->gfid, local->loc.inode->gfid);
-
- dht_selfheal_restore (heal_frame,
- dht_rmdir_selfheal_cbk,
- &heal_local->loc,
- heal_local->layout);
- return 0;
- } else {
-
- if (local->loc.parent) {
- dht_inode_ctx_time_update (local->loc.parent,
- this,
- &local->preparent,
- 0);
-
- dht_inode_ctx_time_update (local->loc.parent,
- this,
- &local->postparent,
- 1);
- }
+ lock_frame = copy_frame(frame);
+ if (lock_frame == NULL)
+ goto done;
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
+ lock_local = dht_local_init(lock_frame, &local->loc, NULL,
+ lock_frame->root->op);
+ if (lock_local == NULL)
+ goto done;
- dht_rmdir_unlock (frame, this);
- DHT_STACK_UNWIND (rmdir, frame, local->op_ret,
- local->op_errno, &local->preparent,
- &local->postparent, NULL);
- }
- }
+ lock_local->lock[0].ns.parent_layout.locks = local->lock[0]
+ .ns.parent_layout.locks;
+ lock_local->lock[0]
+ .ns.parent_layout.lk_count = local->lock[0].ns.parent_layout.lk_count;
- return 0;
+ local->lock[0].ns.parent_layout.locks = NULL;
+ local->lock[0].ns.parent_layout.lk_count = 0;
+ dht_unlock_inodelk(lock_frame, lock_local->lock[0].ns.parent_layout.locks,
+ lock_local->lock[0].ns.parent_layout.lk_count,
+ dht_rmdir_unlock_cbk);
+ lock_frame = NULL;
-err:
- DHT_STACK_UNWIND (rmdir, frame, local->op_ret,
- local->op_errno, NULL, NULL, NULL);
- return 0;
+done:
+ if (lock_frame != NULL) {
+ DHT_STACK_DESTROY(lock_frame);
+ }
+ return 0;
}
+static int
+dht_rmdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *preparent, struct iatt *postparent,
+ dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ int done = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *heal_local = NULL;
+ call_frame_t *heal_frame = NULL;
+ int ret = -1;
+
+ local = frame->local;
+ prev = cookie;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ if ((op_errno != ENOENT) && (op_errno != ESTALE)) {
+ local->op_errno = op_errno;
+ local->op_ret = -1;
-int
-dht_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- int done = 0;
- char gfid[GF_UUID_BUF_SIZE] ={0};
- dht_local_t *heal_local = NULL;
- call_frame_t *heal_frame = NULL;
- int ret = -1;
-
- local = frame->local;
- prev = cookie;
-
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- if ((op_errno != ENOENT) && (op_errno != ESTALE)) {
- local->op_errno = op_errno;
- local->op_ret = -1;
-
- if (op_errno != EACCES)
- local->need_selfheal = 1;
- }
-
- gf_uuid_unparse(local->loc.gfid, gfid);
-
- gf_msg_debug (this->name, op_errno,
- "rmdir on %s for %s failed."
- "(gfid = %s)",
- prev->name, local->loc.path,
- gfid);
- goto unlock;
- }
-
- /* Track if rmdir succeeded on at least one subvol*/
- local->fop_succeeded = 1;
- dht_iatt_merge (this, &local->preparent, preparent);
- dht_iatt_merge (this, &local->postparent, postparent);
- }
-unlock:
- UNLOCK (&frame->lock);
-
+ if (op_errno != EACCES)
+ local->need_selfheal = 1;
+ }
- this_call_cnt = dht_frame_return (frame);
+ gf_uuid_unparse(local->loc.gfid, gfid);
- /* if local->hashed_subvol, we are yet to wind to hashed_subvol. */
- if (local->hashed_subvol && (this_call_cnt == 1)) {
- done = 1;
- } else if (!local->hashed_subvol && !this_call_cnt) {
- done = 1;
+ gf_msg_debug(this->name, op_errno,
+ "rmdir on %s for %s failed."
+ "(gfid = %s)",
+ prev->name, local->loc.path, gfid);
+ goto unlock;
}
+ /* Track if rmdir succeeded on at least one subvol*/
+ local->fop_succeeded = 1;
+ dht_iatt_merge(this, &local->preparent, preparent);
+ dht_iatt_merge(this, &local->postparent, postparent);
+ }
+unlock:
+ UNLOCK(&frame->lock);
- if (done) {
- if (local->need_selfheal && local->fop_succeeded) {
- dht_rmdir_unlock (frame, this);
- local->layout =
- dht_layout_get (this, local->loc.inode);
+ this_call_cnt = dht_frame_return(frame);
- /* TODO: neater interface needed below */
- local->stbuf.ia_type = local->loc.inode->ia_type;
+ /* if local->hashed_subvol, we are yet to wind to hashed_subvol. */
+ if (local->hashed_subvol && (this_call_cnt == 1)) {
+ done = 1;
+ } else if (!local->hashed_subvol && !this_call_cnt) {
+ done = 1;
+ }
- gf_uuid_copy (local->gfid, local->loc.inode->gfid);
- heal_frame = copy_frame (frame);
- if (heal_frame == NULL) {
- goto err;
- }
+ if (done) {
+ if (local->need_selfheal && local->fop_succeeded) {
+ dht_rmdir_unlock(frame, this);
+ local->layout = dht_layout_get(this, local->loc.inode);
- heal_local = dht_local_init (heal_frame, &local->loc,
- NULL, 0);
- if (!heal_local) {
- DHT_STACK_DESTROY (heal_frame);
- goto err;
- }
+ /* TODO: neater interface needed below */
+ local->stbuf.ia_type = local->loc.inode->ia_type;
- heal_local->inode = inode_ref (local->loc.inode);
- heal_local->main_frame = frame;
- gf_uuid_copy (heal_local->gfid, local->loc.inode->gfid);
- ret = dht_selfheal_restore (heal_frame,
- dht_rmdir_selfheal_cbk,
- &heal_local->loc,
- heal_local->layout);
- if (ret) {
- DHT_STACK_DESTROY (heal_frame);
- goto err;
- }
+ gf_uuid_copy(local->gfid, local->loc.inode->gfid);
+ heal_frame = copy_frame(frame);
+ if (heal_frame == NULL) {
+ goto err;
+ }
- } else if (this_call_cnt) {
- /* If non-hashed subvol's have responded, proceed */
- if (local->op_ret == 0) {
- /* Delete the dir from the hashed subvol if:
- * The fop succeeded on at least one subvol
- * and did not fail on any
- * or
- * The fop failed with ENOENT/ESTALE on
- * all subvols */
-
- STACK_WIND_COOKIE (frame, dht_rmdir_hashed_subvol_cbk,
- local->hashed_subvol,
- local->hashed_subvol,
- local->hashed_subvol->fops->rmdir,
- &local->loc, local->flags, NULL);
- } else {
- /* hashed-subvol was non-NULL and rmdir failed on
- * all non hashed-subvols. Unwind rmdir with
- * local->op_ret and local->op_errno. */
- dht_rmdir_unlock (frame, this);
- DHT_STACK_UNWIND (rmdir, frame, local->op_ret,
- local->op_errno, &local->preparent,
- &local->postparent, NULL);
-
- return 0;
+ heal_local = dht_local_init(heal_frame, &local->loc, NULL, 0);
+ if (!heal_local) {
+ DHT_STACK_DESTROY(heal_frame);
+ goto err;
+ }
- }
- } else if (!this_call_cnt) {
- /* All subvol's have responded, proceed */
+ heal_local->inode = inode_ref(local->loc.inode);
+ heal_local->main_frame = frame;
+ gf_uuid_copy(heal_local->gfid, local->loc.inode->gfid);
+ ret = dht_selfheal_restore(heal_frame, dht_rmdir_selfheal_cbk,
+ &heal_local->loc, heal_local->layout);
+ if (ret) {
+ DHT_STACK_DESTROY(heal_frame);
+ goto err;
+ }
- if (local->loc.parent) {
+ } else if (this_call_cnt) {
+ /* If non-hashed subvol's have responded, proceed */
+ if (local->op_ret == 0) {
+ /* Delete the dir from the hashed subvol if:
+ * The fop succeeded on at least one subvol
+ * and did not fail on any
+ * or
+ * The fop failed with ENOENT/ESTALE on
+ * all subvols */
+
+ STACK_WIND_COOKIE(frame, dht_rmdir_hashed_subvol_cbk,
+ local->hashed_subvol, local->hashed_subvol,
+ local->hashed_subvol->fops->rmdir,
+ &local->loc, local->flags, NULL);
+ } else {
+ /* hashed-subvol was non-NULL and rmdir failed on
+ * all non hashed-subvols. Unwind rmdir with
+ * local->op_ret and local->op_errno. */
+ dht_rmdir_unlock(frame, this);
+ DHT_STACK_UNWIND(rmdir, frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, NULL);
- dht_inode_ctx_time_update (local->loc.parent,
- this,
- &local->preparent,
- 0);
+ return 0;
+ }
+ } else if (!this_call_cnt) {
+ /* All subvol's have responded, proceed */
- dht_inode_ctx_time_update (local->loc.parent,
- this,
- &local->postparent,
- 1);
+ if (local->loc.parent) {
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->preparent, 0);
- }
+ dht_inode_ctx_time_update(local->loc.parent, this,
+ &local->postparent, 1);
+ }
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
- dht_rmdir_unlock (frame, this);
- DHT_STACK_UNWIND (rmdir, frame, local->op_ret,
- local->op_errno, &local->preparent,
- &local->postparent, NULL);
- }
+ dht_rmdir_unlock(frame, this);
+ DHT_STACK_UNWIND(rmdir, frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, NULL);
}
+ }
- return 0;
+ return 0;
err:
- DHT_STACK_UNWIND (rmdir, frame, -1, local->op_errno, NULL, NULL, NULL);
- return 0;
-
+ DHT_STACK_UNWIND(rmdir, frame, -1, local->op_errno, NULL, NULL, NULL);
+ return 0;
}
-
-int
-dht_rmdir_unlock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
-{
- DHT_STACK_DESTROY (frame);
- return 0;
-}
-
-
-int
-dht_rmdir_unlock (call_frame_t *frame, xlator_t *this)
+static int
+dht_rmdir_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL, *lock_local = NULL;
- call_frame_t *lock_frame = NULL;
- int lock_count = 0;
-
- local = frame->local;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ xlator_t *hashed_subvol;
- /* Unlock entrylk */
- dht_unlock_entrylk_wrapper (frame, &local->lock[0].ns.directory_ns);
+ conf = this->private;
+ local = frame->local;
- /* Unlock inodelk */
- lock_count = dht_lock_count (local->lock[0].ns.parent_layout.locks,
- local->lock[0].ns.parent_layout.lk_count);
+ if (op_ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_INODE_LK_ERROR,
+ "acquiring entrylk after inodelk failed rmdir for %s)",
+ local->loc.path);
- if (lock_count == 0)
- goto done;
-
- lock_frame = copy_frame (frame);
- if (lock_frame == NULL)
- goto done;
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ goto err;
+ }
- lock_local = dht_local_init (lock_frame, &local->loc, NULL,
- lock_frame->root->op);
- if (lock_local == NULL)
- goto done;
+ hashed_subvol = local->hashed_subvol;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (hashed_subvol && (hashed_subvol == conf->subvolumes[i]))
+ continue;
- lock_local->lock[0].ns.parent_layout.locks = local->lock[0].ns.parent_layout.locks;
- lock_local->lock[0].ns.parent_layout.lk_count = local->lock[0].ns.parent_layout.lk_count;
+ STACK_WIND_COOKIE(frame, dht_rmdir_cbk, conf->subvolumes[i],
+ conf->subvolumes[i], conf->subvolumes[i]->fops->rmdir,
+ &local->loc, local->flags, NULL);
+ }
- local->lock[0].ns.parent_layout.locks = NULL;
- local->lock[0].ns.parent_layout.lk_count = 0;
- dht_unlock_inodelk (lock_frame,
- lock_local->lock[0].ns.parent_layout.locks,
- lock_local->lock[0].ns.parent_layout.lk_count,
- dht_rmdir_unlock_cbk);
- lock_frame = NULL;
+ return 0;
-done:
- if (lock_frame != NULL) {
- DHT_STACK_DESTROY (lock_frame);
- }
+err:
+ DHT_STACK_UNWIND(rmdir, frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, NULL);
- return 0;
+ return 0;
}
-
-int
-dht_rmdir_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int
+dht_rmdir_do(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int i = 0;
- xlator_t *hashed_subvol;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+ xlator_t *hashed_subvol = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- VALIDATE_OR_GOTO (this->private, err);
+ VALIDATE_OR_GOTO(frame->local, err);
+ local = frame->local;
+ VALIDATE_OR_GOTO(this->private, out);
+ conf = this->private;
- conf = this->private;
- local = frame->local;
+ if (local->op_ret == -1)
+ goto out;
- if (op_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_INODE_LK_ERROR,
- "acquiring entrylk after inodelk failed rmdir for %s)",
- local->loc.path);
+ local->call_cnt = conf->subvolume_cnt;
- local->op_ret = -1;
- local->op_errno = op_errno;
- goto err;
- }
+ /* first remove from non-hashed_subvol */
+ hashed_subvol = dht_subvol_get_hashed(this, &local->loc);
- hashed_subvol = local->hashed_subvol;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (hashed_subvol &&
- (hashed_subvol == conf->subvolumes[i]))
- continue;
+ if (!hashed_subvol) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
- STACK_WIND_COOKIE (frame, dht_rmdir_cbk, conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->rmdir,
- &local->loc, local->flags, NULL);
- }
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Failed to get hashed subvol for %s (gfid = %s)",
+ local->loc.path, gfid);
+ } else {
+ local->hashed_subvol = hashed_subvol;
+ }
+ /* When DHT has only 1 child */
+ if (conf->subvolume_cnt == 1) {
+ STACK_WIND_COOKIE(frame, dht_rmdir_hashed_subvol_cbk,
+ conf->subvolumes[0], conf->subvolumes[0],
+ conf->subvolumes[0]->fops->rmdir, &local->loc,
+ local->flags, NULL);
return 0;
+ }
-err:
- DHT_STACK_UNWIND (rmdir, frame, local->op_ret, local->op_errno,
- &local->preparent, &local->postparent, NULL);
+ local->current = &local->lock[0];
+ ret = dht_protect_namespace(frame, &local->loc, local->hashed_subvol,
+ &local->current->ns, dht_rmdir_lock_cbk);
+ if (ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = errno ? errno : EINVAL;
+ goto out;
+ }
- return 0;
-}
+ return 0;
+out:
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
-int
-dht_rmdir_do (call_frame_t *frame, xlator_t *this)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
- xlator_t *hashed_subvol = NULL;
- char gfid[GF_UUID_BUF_SIZE] ={0};
+ DHT_STACK_UNWIND(rmdir, frame, local->op_ret, local->op_errno,
+ &local->preparent, &local->postparent, NULL);
+ return 0;
+err:
+ DHT_STACK_UNWIND(rmdir, frame, -1, EINVAL, NULL, NULL, NULL);
+ return 0;
+}
- VALIDATE_OR_GOTO (this->private, err);
+static void
+dht_rmdir_readdirp_done(call_frame_t *readdirp_frame, xlator_t *this)
+{
+ call_frame_t *main_frame = NULL;
+ dht_local_t *main_local = NULL;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
- conf = this->private;
- local = frame->local;
+ local = readdirp_frame->local;
+ main_frame = local->main_frame;
+ main_local = main_frame->local;
- if (local->op_ret == -1)
- goto err;
+ /* At least one readdirp failed.
+ * This is a bit hit or miss - if readdirp failed on more than
+ * one subvol, we don't know which error is returned.
+ */
+ if (local->op_ret == -1) {
+ main_local->op_ret = local->op_ret;
+ main_local->op_errno = local->op_errno;
+ }
- local->call_cnt = conf->subvolume_cnt;
+ this_call_cnt = dht_frame_return(main_frame);
- /* first remove from non-hashed_subvol */
- hashed_subvol = dht_subvol_get_hashed (this, &local->loc);
+ if (is_last_call(this_call_cnt))
+ dht_rmdir_do(main_frame, this);
- if (!hashed_subvol) {
- gf_uuid_unparse(local->loc.gfid, gfid);
+ DHT_STACK_DESTROY(readdirp_frame);
+}
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get hashed subvol for %s (gfid = %s)",
- local->loc.path, gfid);
- } else {
- local->hashed_subvol = hashed_subvol;
- }
+/* Keep sending readdirp on the subvol until it returns no more entries
+ * It is possible that not all entries will fit in a single readdirp in
+ * which case the rmdir will keep failing with ENOTEMPTY
+ */
- /* When DHT has only 1 child */
- if (conf->subvolume_cnt == 1) {
- STACK_WIND_COOKIE (frame, dht_rmdir_hashed_subvol_cbk,
- conf->subvolumes[0], conf->subvolumes[0],
- conf->subvolumes[0]->fops->rmdir,
- &local->loc, local->flags, NULL);
- return 0;
- }
+static int
+dht_rmdir_readdirp_do(call_frame_t *readdirp_frame, xlator_t *this)
+{
+ dht_local_t *local = NULL;
- local->current = &local->lock[0];
- ret = dht_protect_namespace (frame, &local->loc, local->hashed_subvol,
- &local->current->ns, dht_rmdir_lock_cbk);
- if (ret < 0) {
- local->op_ret = -1;
- local->op_errno = errno ? errno : EINVAL;
- goto err;
- }
+ local = readdirp_frame->local;
+ if (local->op_ret == -1) {
+ /* there is no point doing another readdirp on this
+ * subvol . */
+ dht_rmdir_readdirp_done(readdirp_frame, this);
return 0;
+ }
-err:
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
+ STACK_WIND_COOKIE(readdirp_frame, dht_rmdir_readdirp_cbk,
+ local->hashed_subvol, local->hashed_subvol,
+ local->hashed_subvol->fops->readdirp, local->fd, 4096, 0,
+ local->xattr);
- DHT_STACK_UNWIND (rmdir, frame, local->op_ret, local->op_errno,
- &local->preparent, &local->postparent, NULL);
- return 0;
+ return 0;
}
-
-int
-dht_rmdir_linkfile_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+static int
+dht_rmdir_linkfile_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- xlator_t *src = NULL;
- call_frame_t *readdirp_frame = NULL;
- dht_local_t *readdirp_local = NULL;
- int this_call_cnt = 0;
- char gfid[GF_UUID_BUF_SIZE] ={0};
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *src = NULL;
+ call_frame_t *readdirp_frame = NULL;
+ dht_local_t *readdirp_local = NULL;
+ int this_call_cnt = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ local = frame->local;
+ prev = cookie;
+ src = prev;
- local = frame->local;
- prev = cookie;
- src = prev;
+ readdirp_frame = local->main_frame;
+ readdirp_local = readdirp_frame->local;
+ gf_uuid_unparse(local->loc.gfid, gfid);
- readdirp_frame = local->main_frame;
- readdirp_local = readdirp_frame->local;
-
- gf_uuid_unparse(local->loc.gfid, gfid);
-
- if (op_ret == 0) {
- gf_msg_trace (this->name, 0,
- "Unlinked linkfile %s on %s, gfid = %s",
- local->loc.path, src->name, gfid);
- } else {
- if (op_errno != ENOENT) {
- readdirp_local->op_ret = -1;
- readdirp_local->op_errno = op_errno;
- }
- gf_msg_debug (this->name, op_errno,
- "Unlink of %s on %s failed. (gfid = %s)",
- local->loc.path, src->name, gfid);
+ if (op_ret == 0) {
+ gf_msg_trace(this->name, 0, "Unlinked linkfile %s on %s, gfid = %s",
+ local->loc.path, src->name, gfid);
+ } else {
+ if (op_errno != ENOENT) {
+ readdirp_local->op_ret = -1;
+ readdirp_local->op_errno = op_errno;
}
+ gf_msg_debug(this->name, op_errno,
+ "Unlink of %s on %s failed. (gfid = %s)", local->loc.path,
+ src->name, gfid);
+ }
- this_call_cnt = dht_frame_return (readdirp_frame);
+ this_call_cnt = dht_frame_return(readdirp_frame);
- if (is_last_call (this_call_cnt))
- dht_rmdir_readdirp_do (readdirp_frame, this);
+ if (is_last_call(this_call_cnt))
+ dht_rmdir_readdirp_do(readdirp_frame, this);
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
+static int
+dht_rmdir_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, dict_t *xattr, struct iatt *parent)
+{
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *src = NULL;
+ call_frame_t *readdirp_frame = NULL;
+ dht_local_t *readdirp_local = NULL;
+ int this_call_cnt = 0;
+ dht_conf_t *conf = this->private;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+ prev = cookie;
+ src = prev;
+
+ gf_msg_debug(this->name, 0, "dht_rmdir_lookup_cbk %s", local->loc.path);
+
+ readdirp_frame = local->main_frame;
+ readdirp_local = readdirp_frame->local;
+
+ if (op_ret != 0) {
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_FILE_LOOKUP_FAILED,
+ "lookup failed for %s on %s", local->loc.path, src->name);
+ goto err;
+ }
+
+ if (!check_is_linkfile(inode, stbuf, xattr, conf->link_xattr_name)) {
+ readdirp_local->op_ret = -1;
+ readdirp_local->op_errno = ENOTEMPTY;
-int
-dht_rmdir_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode,
- struct iatt *stbuf, dict_t *xattr, struct iatt *parent)
-{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- xlator_t *src = NULL;
- call_frame_t *readdirp_frame = NULL;
- dht_local_t *readdirp_local = NULL;
- int this_call_cnt = 0;
- dht_conf_t *conf = this->private;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- prev = cookie;
- src = prev;
-
- gf_msg_debug (this->name, 0, "dht_rmdir_lookup_cbk %s",
- local->loc.path);
-
- readdirp_frame = local->main_frame;
- readdirp_local = readdirp_frame->local;
-
- if (op_ret != 0) {
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_FILE_LOOKUP_FAILED,
- "lookup failed for %s on %s (type=0%o)",
- local->loc.path, src->name, stbuf->ia_type);
- goto err;
- }
-
- if (!check_is_linkfile (inode, stbuf, xattr, conf->link_xattr_name)) {
- readdirp_local->op_ret = -1;
- readdirp_local->op_errno = ENOTEMPTY;
-
- gf_uuid_unparse(local->loc.gfid, gfid);
+ gf_uuid_unparse(local->loc.gfid, gfid);
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_NOT_LINK_FILE_ERROR,
- "%s on %s is not a linkfile (type=0%o, gfid = %s)",
- local->loc.path, src->name, stbuf->ia_type, gfid);
- goto err;
- }
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_NOT_LINK_FILE_ERROR,
+ "%s on %s is not a linkfile (type=0%o, gfid = %s)",
+ local->loc.path, src->name, stbuf->ia_type, gfid);
+ goto err;
+ }
- STACK_WIND_COOKIE (frame, dht_rmdir_linkfile_unlink_cbk, src,
- src, src->fops->unlink, &local->loc, 0, NULL);
- return 0;
+ STACK_WIND_COOKIE(frame, dht_rmdir_linkfile_unlink_cbk, src, src,
+ src->fops->unlink, &local->loc, 0, NULL);
+ return 0;
err:
- this_call_cnt = dht_frame_return (readdirp_frame);
- if (is_last_call (this_call_cnt)) {
- dht_rmdir_readdirp_do (readdirp_frame, this);
- }
+ this_call_cnt = dht_frame_return(readdirp_frame);
+ if (is_last_call(this_call_cnt)) {
+ dht_rmdir_readdirp_do(readdirp_frame, this);
+ }
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
-
-int
-dht_rmdir_cached_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode,
- struct iatt *stbuf, dict_t *xattr,
- struct iatt *parent)
-{
- dht_local_t *local = NULL;
- xlator_t *src = NULL;
- call_frame_t *readdirp_frame = NULL;
- dht_local_t *readdirp_local = NULL;
- int this_call_cnt = 0;
- dht_conf_t *conf = this->private;
- dict_t *xattrs = NULL;
- int ret = 0;
-
- local = frame->local;
- src = local->hashed_subvol;
-
-
- /* main_frame here is the readdirp_frame */
-
- readdirp_frame = local->main_frame;
- readdirp_local = readdirp_frame->local;
-
- gf_msg_debug (this->name, 0, "returning for %s ",
- local->loc.path);
-
- if (op_ret == 0) {
- readdirp_local->op_ret = -1;
- readdirp_local->op_errno = ENOTEMPTY;
-
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_SUBVOL_ERROR,
- "%s found on cached subvol %s",
- local->loc.path, src->name);
- goto err;
- } else if (op_errno != ENOENT) {
- readdirp_local->op_ret = -1;
- readdirp_local->op_errno = op_errno;
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_SUBVOL_ERROR,
- "%s not found on cached subvol %s",
- local->loc.path, src->name);
- goto err;
- }
-
- xattrs = dict_new ();
- if (!xattrs) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "dict_new failed");
- goto err;
- }
-
- ret = dict_set_uint32 (xattrs, conf->link_xattr_name, 256);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value: key = %s",
- conf->link_xattr_name);
- if (xattrs)
- dict_unref (xattrs);
- goto err;
- }
- STACK_WIND_COOKIE (frame, dht_rmdir_lookup_cbk, src, src,
- src->fops->lookup, &local->loc, xattrs);
+static int
+dht_rmdir_cached_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, dict_t *xattr,
+ struct iatt *parent)
+{
+ dht_local_t *local = NULL;
+ xlator_t *src = NULL;
+ call_frame_t *readdirp_frame = NULL;
+ dht_local_t *readdirp_local = NULL;
+ int this_call_cnt = 0;
+ dht_conf_t *conf = this->private;
+ dict_t *xattrs = NULL;
+ int ret = 0;
+
+ local = frame->local;
+ src = local->hashed_subvol;
+
+ /* main_frame here is the readdirp_frame */
+
+ readdirp_frame = local->main_frame;
+ readdirp_local = readdirp_frame->local;
+
+ gf_msg_debug(this->name, 0, "returning for %s ", local->loc.path);
+
+ if (op_ret == 0) {
+ readdirp_local->op_ret = -1;
+ readdirp_local->op_errno = ENOTEMPTY;
+
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_SUBVOL_ERROR,
+ "%s found on cached subvol %s", local->loc.path, src->name);
+ goto err;
+ } else if (op_errno != ENOENT) {
+ readdirp_local->op_ret = -1;
+ readdirp_local->op_errno = op_errno;
+
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_SUBVOL_ERROR,
+ "%s not found on cached subvol %s", local->loc.path, src->name);
+ goto err;
+ }
+
+ xattrs = dict_new();
+ if (!xattrs) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "dict_new failed");
+ goto err;
+ }
+
+ ret = dict_set_uint32(xattrs, conf->link_xattr_name, 256);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value: key = %s",
+ conf->link_xattr_name);
if (xattrs)
- dict_unref (xattrs);
-
- return 0;
+ dict_unref(xattrs);
+ goto err;
+ }
+ STACK_WIND_COOKIE(frame, dht_rmdir_lookup_cbk, src, src, src->fops->lookup,
+ &local->loc, xattrs);
+ if (xattrs)
+ dict_unref(xattrs);
+
+ return 0;
err:
- this_call_cnt = dht_frame_return (readdirp_frame);
+ this_call_cnt = dht_frame_return(readdirp_frame);
- /* Once all the lookups/unlinks etc have returned, proceed to wind
- * readdirp on the subvol again until no entries are returned.
- * This is required if there are more entries than can be returned
- * in a single readdirp call.
- */
+ /* Once all the lookups/unlinks etc have returned, proceed to wind
+ * readdirp on the subvol again until no entries are returned.
+ * This is required if there are more entries than can be returned
+ * in a single readdirp call.
+ */
- if (is_last_call (this_call_cnt))
- dht_rmdir_readdirp_do (readdirp_frame, this);
+ if (is_last_call(this_call_cnt))
+ dht_rmdir_readdirp_do(readdirp_frame, this);
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
+static int
+dht_rmdir_is_subvol_empty(call_frame_t *frame, xlator_t *this,
+ gf_dirent_t *entries, xlator_t *src)
+{
+ int ret = 0;
+ int build_ret = 0;
+ gf_dirent_t *trav = NULL;
+ call_frame_t *lookup_frame = NULL;
+ dht_local_t *lookup_local = NULL;
+ dht_local_t *local = NULL;
+ dict_t *xattrs = NULL;
+ dht_conf_t *conf = this->private;
+ xlator_t *subvol = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ int count = 0;
+ gf_boolean_t unwind = _gf_false;
+
+ local = frame->local;
+
+ list_for_each_entry(trav, &entries->list, list)
+ {
+ if (strcmp(trav->d_name, ".") == 0)
+ continue;
+ if (strcmp(trav->d_name, "..") == 0)
+ continue;
+ if (check_is_linkfile(NULL, (&trav->d_stat), trav->dict,
+ conf->link_xattr_name)) {
+ count++;
+ continue;
+ }
+
+ /* this entry is either a directory which is neither "." nor "..",
+ or a non directory which is not a linkfile. the directory is to
+ be treated as non-empty
+ */
+ return 0;
+ }
-int
-dht_rmdir_is_subvol_empty (call_frame_t *frame, xlator_t *this,
- gf_dirent_t *entries, xlator_t *src)
-{
- int ret = 0;
- int build_ret = 0;
- gf_dirent_t *trav = NULL;
- call_frame_t *lookup_frame = NULL;
- dht_local_t *lookup_local = NULL;
- dht_local_t *local = NULL;
- dict_t *xattrs = NULL;
- dht_conf_t *conf = this->private;
- xlator_t *subvol = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- int count = 0;
- gf_boolean_t unwind = _gf_false;
-
+ xattrs = dict_new();
+ if (!xattrs) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "dict_new failed");
+ return -1;
+ }
- local = frame->local;
+ ret = dict_set_uint32(xattrs, conf->link_xattr_name, 256);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value: key = %s",
+ conf->link_xattr_name);
- list_for_each_entry (trav, &entries->list, list) {
- if (strcmp (trav->d_name, ".") == 0)
- continue;
- if (strcmp (trav->d_name, "..") == 0)
- continue;
- if (check_is_linkfile (NULL, (&trav->d_stat), trav->dict,
- conf->link_xattr_name)) {
- count++;
- continue;
- }
+ if (xattrs)
+ dict_unref(xattrs);
+ return -1;
+ }
- /* this entry is either a directory which is neither "." nor "..",
- or a non directory which is not a linkfile. the directory is to
- be treated as non-empty
- */
- return 0;
- }
+ local->call_cnt = count;
+ ret = 0;
- xattrs = dict_new ();
- if (!xattrs) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "dict_new failed");
- return -1;
- }
+ list_for_each_entry(trav, &entries->list, list)
+ {
+ if (strcmp(trav->d_name, ".") == 0)
+ continue;
+ if (strcmp(trav->d_name, "..") == 0)
+ continue;
- ret = dict_set_uint32 (xattrs, conf->link_xattr_name, 256);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value: key = %s",
- conf->link_xattr_name);
+ lookup_frame = copy_frame(frame);
- if (xattrs)
- dict_unref (xattrs);
- return -1;
+ if (!lookup_frame) {
+ /* out of memory, let the rmdir fail
+ (as non-empty, unfortunately) */
+ goto err;
}
- local->call_cnt = count;
- ret = 0;
-
- list_for_each_entry (trav, &entries->list, list) {
- if (strcmp (trav->d_name, ".") == 0)
- continue;
- if (strcmp (trav->d_name, "..") == 0)
- continue;
-
- lookup_frame = copy_frame (frame);
-
- if (!lookup_frame) {
- /* out of memory, let the rmdir fail
- (as non-empty, unfortunately) */
- goto err;
- }
-
- lookup_local = dht_local_init (lookup_frame, NULL, NULL,
- GF_FOP_LOOKUP);
- if (!lookup_local) {
- goto err;
- }
-
- lookup_frame->local = lookup_local;
- lookup_local->main_frame = frame;
- lookup_local->hashed_subvol = src;
+ lookup_local = dht_local_init(lookup_frame, NULL, NULL, GF_FOP_LOOKUP);
+ if (!lookup_local) {
+ goto err;
+ }
- build_ret = dht_build_child_loc (this, &lookup_local->loc,
- &local->loc, trav->d_name);
- if (build_ret != 0)
- goto err;
+ lookup_frame->local = lookup_local;
+ lookup_local->main_frame = frame;
+ lookup_local->hashed_subvol = src;
- gf_uuid_copy (lookup_local->loc.gfid, trav->d_stat.ia_gfid);
+ build_ret = dht_build_child_loc(this, &lookup_local->loc, &local->loc,
+ trav->d_name);
+ if (build_ret != 0)
+ goto err;
- gf_uuid_unparse(lookup_local->loc.gfid, gfid);
+ gf_uuid_copy(lookup_local->loc.gfid, trav->d_stat.ia_gfid);
- gf_msg_trace (this->name, 0,
- "looking up %s on subvolume %s, gfid = %s",
- lookup_local->loc.path, src->name, gfid);
+ gf_uuid_unparse(lookup_local->loc.gfid, gfid);
- subvol = dht_linkfile_subvol (this, NULL, &trav->d_stat,
- trav->dict);
- if (!subvol) {
+ gf_msg_trace(this->name, 0, "looking up %s on subvolume %s, gfid = %s",
+ lookup_local->loc.path, src->name, gfid);
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_INVALID_LINKFILE,
- "Linkfile does not have link subvolume. "
- "path = %s, gfid = %s",
- lookup_local->loc.path, gfid);
+ subvol = dht_linkfile_subvol(this, NULL, &trav->d_stat, trav->dict);
+ if (!subvol || (subvol == src)) {
+ /* we need to delete the linkto file if it does not have a
+ * valid subvol or it points to itself.
+ */
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_INVALID_LINKFILE,
+ "Linkfile does not have link subvolume. "
+ "path = %s, gfid = %s",
+ lookup_local->loc.path, gfid);
- gf_msg_debug (this->name, 0,
- "looking up %s on subvol %s, gfid = %s",
- lookup_local->loc.path, src->name, gfid);
+ gf_msg_debug(this->name, 0, "looking up %s on subvol %s, gfid = %s",
+ lookup_local->loc.path, src->name, gfid);
- STACK_WIND_COOKIE (lookup_frame, dht_rmdir_lookup_cbk,
- src, src, src->fops->lookup,
- &lookup_local->loc, xattrs);
- } else {
- gf_msg_debug (this->name, 0,
- "Looking up linkfile target %s on "
- " subvol %s, gfid = %s",
- lookup_local->loc.path, subvol->name,
- gfid);
-
- STACK_WIND (lookup_frame, dht_rmdir_cached_lookup_cbk,
- subvol, subvol->fops->lookup,
- &lookup_local->loc, xattrs);
- }
- ret++;
+ STACK_WIND_COOKIE(lookup_frame, dht_rmdir_lookup_cbk, src, src,
+ src->fops->lookup, &lookup_local->loc, xattrs);
+ } else {
+ gf_msg_debug(this->name, 0,
+ "Looking up linkfile target %s on "
+ " subvol %s, gfid = %s",
+ lookup_local->loc.path, subvol->name, gfid);
- lookup_frame = NULL;
- lookup_local = NULL;
+ STACK_WIND(lookup_frame, dht_rmdir_cached_lookup_cbk, subvol,
+ subvol->fops->lookup, &lookup_local->loc, xattrs);
}
+ ret++;
- if (xattrs)
- dict_unref (xattrs);
+ lookup_frame = NULL;
+ lookup_local = NULL;
+ }
- return ret;
+ if (xattrs)
+ dict_unref(xattrs);
+
+ return ret;
err:
- if (xattrs)
- dict_unref (xattrs);
+ if (xattrs)
+ dict_unref(xattrs);
- if (lookup_frame)
- DHT_STACK_DESTROY (lookup_frame);
+ if (lookup_frame)
+ DHT_STACK_DESTROY(lookup_frame);
- /* Handle the case where the wound calls have unwound before the
- * loop processing is done
- */
+ /* Handle the case where the wound calls have unwound before the
+ * loop processing is done
+ */
- LOCK (&frame->lock);
- {
- local->op_ret = -1;
- local->op_errno = ENOTEMPTY;
+ LOCK(&frame->lock);
+ {
+ local->op_ret = -1;
+ local->op_errno = ENOTEMPTY;
- local->call_cnt -= (count - ret);
- if (!local->call_cnt)
- unwind = _gf_true;
- }
- UNLOCK (&frame->lock);
+ local->call_cnt -= (count - ret);
+ if (!local->call_cnt)
+ unwind = _gf_true;
+ }
+ UNLOCK(&frame->lock);
- if (!unwind) {
- return ret;
- }
- return 0;
+ if (!unwind) {
+ return ret;
+ }
+ return 0;
}
-
-
/*
* No more entries on this subvol. Proceed to the actual rmdir operation.
*/
-void
-dht_rmdir_readdirp_done (call_frame_t *readdirp_frame, xlator_t *this)
+static int
+dht_rmdir_readdirp_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *entries,
+ dict_t *xdata)
{
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *src = NULL;
+ int ret = 0;
+ char *path = NULL;
- call_frame_t *main_frame = NULL;
- dht_local_t *main_local = NULL;
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
+ local = frame->local;
+ prev = cookie;
+ src = prev;
-
- local = readdirp_frame->local;
- main_frame = local->main_frame;
- main_local = main_frame->local;
-
- /* At least one readdirp failed.
- * This is a bit hit or miss - if readdirp failed on more than
- * one subvol, we don't know which error is returned.
+ if (op_ret > 2) {
+ /* dht_rmdir_is_subvol_empty() may free the frame,
+ * copy path for logging.
*/
- if (local->op_ret == -1) {
- main_local->op_ret = local->op_ret;
- main_local->op_errno = local->op_errno;
- }
-
- this_call_cnt = dht_frame_return (main_frame);
+ path = gf_strdup(local->loc.path);
- if (is_last_call (this_call_cnt))
- dht_rmdir_do (main_frame, this);
+ ret = dht_rmdir_is_subvol_empty(frame, this, entries, src);
-
- DHT_STACK_DESTROY (readdirp_frame);
-}
-
-
-
-int
-dht_rmdir_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, gf_dirent_t *entries,
- dict_t *xdata)
-{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- xlator_t *src = NULL;
- int ret = 0;
-
-
- local = frame->local;
- prev = cookie;
- src = prev;
-
- if (op_ret > 2) {
- ret = dht_rmdir_is_subvol_empty (frame, this, entries, src);
-
- switch (ret) {
- case 0: /* non linkfiles exist */
- gf_msg_trace (this->name, 0,
- "readdir on %s for %s returned %d "
- "entries", prev->name,
- local->loc.path, op_ret);
- local->op_ret = -1;
- local->op_errno = ENOTEMPTY;
- goto done;
- default:
- /* @ret number of linkfiles are getting unlinked */
- gf_msg_trace (this->name, 0,
- "readdir on %s for %s found %d "
- "linkfiles", prev->name,
- local->loc.path, ret);
- break;
- }
-
- }
-
-
- if (ret) {
- return 0;
+ switch (ret) {
+ case 0: /* non linkfiles exist */
+ gf_msg_trace(this->name, 0,
+ "readdir on %s for %s returned %d "
+ "entries",
+ prev->name, local->loc.path, op_ret);
+ local->op_ret = -1;
+ local->op_errno = ENOTEMPTY;
+ break;
+ default:
+ /* @ret number of linkfiles are getting unlinked */
+ gf_msg_trace(this->name, 0,
+ "readdir on %s for %s found %d "
+ "linkfiles",
+ prev->name, path, ret);
+ break;
}
+ }
-done:
- /* readdirp failed or no linkto files were found on this subvol */
+ /* readdirp failed or no linkto files were found on this subvol */
+ if (!ret)
+ dht_rmdir_readdirp_done(frame, this);
- dht_rmdir_readdirp_done (frame, this);
- return 0;
+ GF_FREE(path);
+ return 0;
}
-/* Keep sending readdirp on the subvol until it returns no more entries
- * It is possible that not all entries will fit in a single readdirp in which
- * case the rmdir will keep failing with ENOTEMPTY
- */
-
-int
-dht_rmdir_readdirp_do (call_frame_t *readdirp_frame, xlator_t *this)
-{
- dht_local_t *local = NULL;
-
- local = readdirp_frame->local;
+static int
+dht_rmdir_opendir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, fd_t *fd, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ int this_call_cnt = -1;
+ xlator_t *prev = NULL;
+ int ret = 0;
+ dht_conf_t *conf = this->private;
+ dict_t *dict = NULL;
+ int i = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *readdirp_local = NULL;
+ call_frame_t *readdirp_frame = NULL;
+ int cnt = 0;
+
+ local = frame->local;
+ prev = cookie;
+
+ this_call_cnt = dht_frame_return(frame);
+ if (op_ret == -1) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
- if (local->op_ret == -1) {
- /* there is no point doing another readdirp on this
- * subvol . */
- dht_rmdir_readdirp_done (readdirp_frame, this);
- return 0;
+ gf_msg_debug(this->name, op_errno,
+ "opendir on %s for %s failed, "
+ "gfid = %s,",
+ prev->name, local->loc.path, gfid);
+ if ((op_errno != ENOENT) && (op_errno != ESTALE)) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
}
+ goto err;
+ }
- STACK_WIND_COOKIE (readdirp_frame, dht_rmdir_readdirp_cbk,
- local->hashed_subvol,
- local->hashed_subvol,
- local->hashed_subvol->fops->readdirp,
- local->fd, 4096, 0, local->xattr);
-
-
+ if (!is_last_call(this_call_cnt))
return 0;
-}
-
-
-int
-dht_rmdir_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, fd_t *fd, dict_t *xdata)
-{
- dht_local_t *local = NULL;
- int this_call_cnt = -1;
- xlator_t *prev = NULL;
- int ret = 0;
- dht_conf_t *conf = this->private;
- dict_t *dict = NULL;
- int i = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- dht_local_t *readdirp_local = NULL;
- call_frame_t *readdirp_frame = NULL;
- int cnt = 0;
-
- local = frame->local;
- prev = cookie;
-
-
- this_call_cnt = dht_frame_return (frame);
- if (op_ret == -1) {
- gf_uuid_unparse(local->loc.gfid, gfid);
-
- gf_msg_debug (this->name, op_errno,
- "opendir on %s for %s failed, "
- "gfid = %s,",
- prev->name, local->loc.path, gfid);
- if ((op_errno != ENOENT) && (op_errno != ESTALE)) {
- local->op_ret = -1;
- local->op_errno = op_errno;
- }
- goto err;
- }
-
- if (!is_last_call (this_call_cnt))
- return 0;
-
- if (local->op_ret == -1)
- goto err;
-
- fd_bind (fd);
+ if (local->op_ret == -1)
+ goto err;
- dict = dict_new ();
- if (!dict) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto err;
- }
-
- ret = dict_set_uint32 (dict, conf->link_xattr_name, 256);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value:key = %s",
- local->loc.path, conf->link_xattr_name);
-
- cnt = local->call_cnt = conf->subvolume_cnt;
+ fd_bind(fd);
+ dict = dict_new();
+ if (!dict) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto err;
+ }
- /* Create a separate frame per subvol as we might need
- * to resend readdirp multiple times to get all the
- * entries.
- */
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
-
- readdirp_frame = copy_frame (frame);
+ ret = dict_set_uint32(dict, conf->link_xattr_name, 256);
+ if (ret)
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "%s: Failed to set dictionary value:key = %s", local->loc.path,
+ conf->link_xattr_name);
- if (!readdirp_frame) {
- cnt--;
- /* Reduce the local->call_cnt as well */
- (void) dht_frame_return (frame);
- continue;
- }
+ cnt = local->call_cnt = conf->subvolume_cnt;
- readdirp_local = dht_local_init (readdirp_frame, &local->loc,
- local->fd, 0);
+ /* Create a separate frame per subvol as we might need
+ * to resend readdirp multiple times to get all the
+ * entries.
+ */
- if (!readdirp_local) {
- DHT_STACK_DESTROY (readdirp_frame);
- cnt--;
- /* Reduce the local->call_cnt as well */
- dht_frame_return (frame);
- continue;
- }
- readdirp_local->main_frame = frame;
- readdirp_local->op_ret = 0;
- readdirp_local->xattr = dict_ref (dict);
- /* overload this field to save the subvol info */
- readdirp_local->hashed_subvol = conf->subvolumes[i];
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ readdirp_frame = copy_frame(frame);
- STACK_WIND_COOKIE (readdirp_frame, dht_rmdir_readdirp_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->readdirp,
- readdirp_local->fd, 4096, 0,
- readdirp_local->xattr);
+ if (!readdirp_frame) {
+ cnt--;
+ /* Reduce the local->call_cnt as well */
+ (void)dht_frame_return(frame);
+ continue;
}
- if (dict)
- dict_unref (dict);
-
- /* Could not wind readdirp to any subvol */
-
- if (!cnt)
- goto err;
-
- return 0;
+ readdirp_local = dht_local_init(readdirp_frame, &local->loc, local->fd,
+ 0);
-err:
- if (is_last_call (this_call_cnt)) {
- dht_rmdir_do (frame, this);
- }
-
- return 0;
-}
-
-
-int
-dht_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
- dict_t *xdata)
-{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int op_errno = -1;
- int i = -1;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (loc->path, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_RMDIR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
+ if (!readdirp_local) {
+ DHT_STACK_DESTROY(readdirp_frame);
+ cnt--;
+ /* Reduce the local->call_cnt as well */
+ dht_frame_return(frame);
+ continue;
}
+ readdirp_local->main_frame = frame;
+ readdirp_local->op_ret = 0;
+ readdirp_local->xattr = dict_ref(dict);
+ /* overload this field to save the subvol info */
+ readdirp_local->hashed_subvol = conf->subvolumes[i];
- local->call_cnt = conf->subvolume_cnt;
- local->op_ret = 0;
- local->fop_succeeded = 0;
+ STACK_WIND_COOKIE(readdirp_frame, dht_rmdir_readdirp_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->readdirp,
+ readdirp_local->fd, 4096, 0, readdirp_local->xattr);
+ }
- local->flags = flags;
+ if (dict)
+ dict_unref(dict);
- local->fd = fd_create (local->loc.inode, frame->root->pid);
- if (!local->fd) {
+ /* Could not wind readdirp to any subvol */
- op_errno = ENOMEM;
- goto err;
- }
+ if (!cnt)
+ goto err;
- if (flags) {
- return dht_rmdir_do (frame, this);
- }
+ return 0;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_rmdir_opendir_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->opendir,
- loc, local->fd, NULL);
- }
-
- return 0;
+err:
+ if (is_last_call(this_call_cnt)) {
+ dht_rmdir_do(frame, this);
+ }
+
+ return 0;
+}
+
+int
+dht_rmdir(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int op_errno = -1;
+ int i = -1;
+ int ret = -1;
+ dict_t *xattr_req = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(loc->path, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_RMDIR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->call_cnt = conf->subvolume_cnt;
+ local->op_ret = 0;
+ local->fop_succeeded = 0;
+
+ local->flags = flags;
+
+ local->fd = fd_create(local->loc.inode, frame->root->pid);
+ if (!local->fd) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ if (flags) {
+ return dht_rmdir_do(frame, this);
+ }
+ if (xdata) {
+ xattr_req = dict_ref(xdata);
+ } else {
+ xattr_req = dict_new();
+ }
+ if (xattr_req) {
+ ret = dict_set_uint32(xattr_req, conf->link_xattr_name, 256);
+ /* If parallel-readdir is enabled, this is required
+ * to handle stale linkto files in the directory
+ * being deleted. If this fails, log an error but
+ * do not prevent the operation.
+ */
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, 0, "%s: failed to set key %s",
+ loc->path, conf->link_xattr_name);
+ }
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, 0, 0, "%s: failed to set key %s",
+ loc->path, conf->link_xattr_name);
+ }
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_rmdir_opendir_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->opendir, loc, local->fd,
+ xattr_req);
+ }
+
+ if (xattr_req) {
+ dict_unref(xattr_req);
+ }
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (rmdir, frame, -1, op_errno,
- NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(rmdir, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-int
-dht_entrylk_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int
+dht_entrylk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- DHT_STACK_UNWIND (entrylk, frame, op_ret, op_errno, xdata);
- return 0;
+ DHT_STACK_UNWIND(entrylk, frame, op_ret, op_errno, xdata);
+ return 0;
}
/* TODO
@@ -10887,769 +10603,789 @@ dht_entrylk_cbk (call_frame_t *frame, void *cookie,
* as described in the bug 1311002.
*/
int
-dht_entrylk (call_frame_t *frame, xlator_t *this,
- const char *volume, loc_t *loc, const char *basename,
- entrylk_cmd cmd, entrylk_type type, dict_t *xdata)
-{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_ENTRYLK);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+dht_entrylk(call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc,
+ const char *basename, entrylk_cmd cmd, entrylk_type type,
+ dict_t *xdata)
+{
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_uuid_unparse(loc->gfid, gfid);
+ local = dht_local_init(frame, loc, NULL, GF_FOP_ENTRYLK);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s, "
- "gfid = %s", loc->path, gfid);
- op_errno = EINVAL;
- goto err;
- }
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_uuid_unparse(loc->gfid, gfid);
- local->call_cnt = 1;
+ gf_msg_debug(this->name, 0,
+ "no cached subvolume for path=%s, "
+ "gfid = %s",
+ loc->path, gfid);
+ op_errno = EINVAL;
+ goto err;
+ }
- STACK_WIND (frame, dht_entrylk_cbk,
- subvol, subvol->fops->entrylk,
- volume, loc, basename, cmd, type, xdata);
+ local->call_cnt = 1;
- return 0;
+ STACK_WIND(frame, dht_entrylk_cbk, subvol, subvol->fops->entrylk, volume,
+ loc, basename, cmd, type, xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (entrylk, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(entrylk, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
-
-int
-dht_fentrylk_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int
+dht_fentrylk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- DHT_STACK_UNWIND (fentrylk, frame, op_ret, op_errno, NULL);
- return 0;
+ DHT_STACK_UNWIND(fentrylk, frame, op_ret, op_errno, NULL);
+ return 0;
}
-
int
-dht_fentrylk (call_frame_t *frame, xlator_t *this,
- const char *volume, fd_t *fd, const char *basename,
- entrylk_cmd cmd, entrylk_type type, dict_t *xdata)
+dht_fentrylk(call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
+ const char *basename, entrylk_cmd cmd, entrylk_type type,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- char gfid[GF_UUID_BUF_SIZE] = {0};
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+ VALIDATE_OR_GOTO(fd->inode, err);
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
- VALIDATE_OR_GOTO(fd->inode, err);
+ gf_uuid_unparse(fd->inode->gfid, gfid);
- gf_uuid_unparse(fd->inode->gfid, gfid);
+ subvol = dht_subvol_get_cached(this, fd->inode);
+ if (!subvol) {
+ gf_msg_debug(this->name, 0,
+ "No cached subvolume for fd=%p,"
+ " gfid = %s",
+ fd, gfid);
+ op_errno = EINVAL;
+ goto err;
+ }
- subvol = dht_subvol_get_cached (this, fd->inode);
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "No cached subvolume for fd=%p,"
- " gfid = %s", fd, gfid);
- op_errno = EINVAL;
- goto err;
- }
+ STACK_WIND(frame, dht_fentrylk_cbk, subvol, subvol->fops->fentrylk, volume,
+ fd, basename, cmd, type, xdata);
- STACK_WIND (frame, dht_fentrylk_cbk,
- subvol, subvol->fops->fentrylk,
- volume, fd, basename, cmd, type, xdata);
-
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fentrylk, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fentrylk, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
-
-int32_t
-dht_ipc_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int32_t
+dht_ipc_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
- local = frame->local;
+ local = frame->local;
- LOCK (&frame->lock);
- {
- if (op_ret < 0 && op_errno != ENOTCONN) {
- local->op_errno = op_errno;
- goto unlock;
- }
- local->op_ret = 0;
+ LOCK(&frame->lock);
+ {
+ if (op_ret < 0 && op_errno != ENOTCONN) {
+ local->op_errno = op_errno;
+ goto unlock;
}
+ local->op_ret = 0;
+ }
unlock:
- UNLOCK (&frame->lock);
+ UNLOCK(&frame->lock);
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- DHT_STACK_UNWIND (ipc, frame, local->op_ret, local->op_errno,
- NULL);
- }
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ DHT_STACK_UNWIND(ipc, frame, local->op_ret, local->op_errno, NULL);
+ }
out:
- return 0;
+ return 0;
}
-
int32_t
-dht_ipc (call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata)
+dht_ipc(call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
- dht_conf_t *conf = NULL;
- int call_cnt = 0;
- int i = 0;
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
+ dht_conf_t *conf = NULL;
+ int call_cnt = 0;
+ int i = 0;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
- if (op != GF_IPC_TARGET_UPCALL)
- goto wind_default;
+ if (op != GF_IPC_TARGET_UPCALL)
+ goto wind_default;
- VALIDATE_OR_GOTO (this->private, err);
- conf = this->private;
+ VALIDATE_OR_GOTO(this->private, err);
+ conf = this->private;
- local = dht_local_init (frame, NULL, NULL, GF_FOP_IPC);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ local = dht_local_init(frame, NULL, NULL, GF_FOP_IPC);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- call_cnt = conf->subvolume_cnt;
- local->call_cnt = call_cnt;
+ call_cnt = conf->subvolume_cnt;
+ local->call_cnt = call_cnt;
- if (xdata) {
- if (dict_set_int8 (xdata, conf->xattr_name, 0) < 0)
- goto err;
- }
+ if (xdata) {
+ if (dict_set_int8(xdata, conf->xattr_name, 0) < 0)
+ goto err;
+ }
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND (frame, dht_ipc_cbk, conf->subvolumes[i],
- conf->subvolumes[i]->fops->ipc, op, xdata);
- }
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND(frame, dht_ipc_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->ipc, op, xdata);
+ }
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (ipc, frame, -1, op_errno, NULL);
+ DHT_STACK_UNWIND(ipc, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
wind_default:
- STACK_WIND (frame, default_ipc_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->ipc, op, xdata);
- return 0;
+ STACK_WIND(frame, default_ipc_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->ipc, op, xdata);
+ return 0;
}
-
int
-dht_forget (xlator_t *this, inode_t *inode)
+dht_forget(xlator_t *this, inode_t *inode)
{
- uint64_t ctx_int = 0;
- dht_inode_ctx_t *ctx = NULL;
- dht_layout_t *layout = NULL;
+ uint64_t ctx_int = 0;
+ dht_inode_ctx_t *ctx = NULL;
+ dht_layout_t *layout = NULL;
- inode_ctx_del (inode, this, &ctx_int);
+ inode_ctx_del(inode, this, &ctx_int);
- if (!ctx_int)
- return 0;
+ if (!ctx_int)
+ return 0;
- ctx = (dht_inode_ctx_t *) (long) ctx_int;
+ ctx = (dht_inode_ctx_t *)(long)ctx_int;
- layout = ctx->layout;
- ctx->layout = NULL;
- dht_layout_unref (this, layout);
- GF_FREE (ctx);
+ layout = ctx->layout;
+ ctx->layout = NULL;
+ dht_layout_unref(this, layout);
+ GF_FREE(ctx);
- return 0;
+ return 0;
}
-
int
-dht_notify (xlator_t *this, int event, void *data, ...)
-{
- xlator_t *subvol = NULL;
- int cnt = -1;
- int i = -1;
- dht_conf_t *conf = NULL;
- int ret = -1;
- int propagate = 0;
-
- int had_heard_from_all = 0;
- int have_heard_from_all = 0;
- struct timeval time = {0,};
- gf_defrag_info_t *defrag = NULL;
- dict_t *dict = NULL;
- gf_defrag_type cmd = 0;
- dict_t *output = NULL;
- va_list ap;
- dht_methods_t *methods = NULL;
- struct gf_upcall *up_data = NULL;
- struct gf_upcall_cache_invalidation *up_ci = NULL;
-
- conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, out);
-
- methods = &(conf->methods);
-
- /* had all subvolumes reported status once till now? */
- had_heard_from_all = 1;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (!conf->last_event[i]) {
- had_heard_from_all = 0;
- }
+dht_notify(xlator_t *this, int event, void *data, ...)
+{
+ xlator_t *subvol = NULL;
+ int cnt = -1;
+ int i = -1;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+ int propagate = 0;
+
+ int had_heard_from_all = 0;
+ int have_heard_from_all = 0;
+ gf_defrag_info_t *defrag = NULL;
+ dict_t *dict = NULL;
+ gf_defrag_type cmd = 0;
+ dict_t *output = NULL;
+ va_list ap;
+ struct gf_upcall *up_data = NULL;
+ struct gf_upcall_cache_invalidation *up_ci = NULL;
+
+ conf = this->private;
+ GF_VALIDATE_OR_GOTO(this->name, conf, out);
+
+ /* had all subvolumes reported status once till now? */
+ had_heard_from_all = 1;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (!conf->last_event[i]) {
+ had_heard_from_all = 0;
}
+ }
- switch (event) {
+ switch (event) {
case GF_EVENT_CHILD_UP:
- subvol = data;
+ subvol = data;
- conf->gen++;
+ conf->gen++;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (subvol == conf->subvolumes[i]) {
- cnt = i;
- break;
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (subvol == conf->subvolumes[i]) {
+ cnt = i;
+ break;
}
+ }
- if (cnt == -1) {
- gf_msg_debug (this->name, 0,
- "got GF_EVENT_CHILD_UP bad "
- "subvolume %s",
- subvol->name);
- break;
- }
+ if (cnt == -1) {
+ gf_msg_debug(this->name, 0,
+ "got GF_EVENT_CHILD_UP bad "
+ "subvolume %s",
+ subvol->name);
+ break;
+ }
- gettimeofday (&time, NULL);
- LOCK (&conf->subvolume_lock);
- {
- conf->subvolume_status[cnt] = 1;
- conf->last_event[cnt] = event;
- conf->subvol_up_time[cnt] = time.tv_sec;
- }
- UNLOCK (&conf->subvolume_lock);
+ LOCK(&conf->subvolume_lock);
+ {
+ conf->subvolume_status[cnt] = 1;
+ conf->last_event[cnt] = event;
+ conf->subvol_up_time[cnt] = gf_time();
+ }
+ UNLOCK(&conf->subvolume_lock);
- /* one of the node came back up, do a stat update */
- dht_get_du_info_for_subvol (this, cnt);
+ /* one of the node came back up, do a stat update */
+ dht_get_du_info_for_subvol(this, cnt);
- break;
+ break;
case GF_EVENT_SOME_DESCENDENT_UP:
- subvol = data;
- conf->gen++;
- propagate = 1;
+ subvol = data;
+ conf->gen++;
+ propagate = 1;
- break;
+ break;
case GF_EVENT_SOME_DESCENDENT_DOWN:
- subvol = data;
- propagate = 1;
+ subvol = data;
+ propagate = 1;
- break;
+ break;
case GF_EVENT_CHILD_DOWN:
- subvol = data;
-
- if (conf->assert_no_child_down) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_CHILD_DOWN,
- "Received CHILD_DOWN. Exiting");
- if (conf->defrag) {
- gf_defrag_stop (conf,
- GF_DEFRAG_STATUS_FAILED, NULL);
- } else {
- kill (getpid(), SIGTERM);
- }
- }
+ subvol = data;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (subvol == conf->subvolumes[i]) {
- cnt = i;
- break;
- }
- }
-
- if (cnt == -1) {
- gf_msg_debug (this->name, 0,
- "got GF_EVENT_CHILD_DOWN bad "
- "subvolume %s", subvol->name);
- break;
+ if (conf->assert_no_child_down) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_CHILD_DOWN,
+ "Received CHILD_DOWN. Exiting");
+ if (conf->defrag) {
+ gf_defrag_stop(conf, GF_DEFRAG_STATUS_FAILED, NULL);
+ } else {
+ kill(getpid(), SIGTERM);
}
+ }
- LOCK (&conf->subvolume_lock);
- {
- conf->subvolume_status[cnt] = 0;
- conf->last_event[cnt] = event;
- conf->subvol_up_time[cnt] = 0;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (subvol == conf->subvolumes[i]) {
+ cnt = i;
+ break;
}
- UNLOCK (&conf->subvolume_lock);
+ }
- for (i = 0; i < conf->subvolume_cnt; i++)
- if (conf->last_event[i] != event)
- event = GF_EVENT_SOME_DESCENDENT_DOWN;
+ if (cnt == -1) {
+ gf_msg_debug(this->name, 0,
+ "got GF_EVENT_CHILD_DOWN bad "
+ "subvolume %s",
+ subvol->name);
break;
+ }
- case GF_EVENT_CHILD_CONNECTING:
- subvol = data;
+ LOCK(&conf->subvolume_lock);
+ {
+ conf->subvolume_status[cnt] = 0;
+ conf->last_event[cnt] = event;
+ conf->subvol_up_time[cnt] = 0;
+ }
+ UNLOCK(&conf->subvolume_lock);
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (subvol == conf->subvolumes[i]) {
- cnt = i;
- break;
- }
- }
+ for (i = 0; i < conf->subvolume_cnt; i++)
+ if (conf->last_event[i] != event)
+ event = GF_EVENT_SOME_DESCENDENT_DOWN;
+ break;
- if (cnt == -1) {
- gf_msg_debug (this->name, 0,
- "got GF_EVENT_CHILD_CONNECTING"
- " bad subvolume %s",
- subvol->name);
- break;
- }
+ case GF_EVENT_CHILD_CONNECTING:
+ subvol = data;
- LOCK (&conf->subvolume_lock);
- {
- conf->last_event[cnt] = event;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (subvol == conf->subvolumes[i]) {
+ cnt = i;
+ break;
}
- UNLOCK (&conf->subvolume_lock);
+ }
+ if (cnt == -1) {
+ gf_msg_debug(this->name, 0,
+ "got GF_EVENT_CHILD_CONNECTING"
+ " bad subvolume %s",
+ subvol->name);
break;
- case GF_EVENT_VOLUME_DEFRAG:
- {
- if (!conf->defrag) {
- return ret;
- }
- defrag = conf->defrag;
+ }
- dict = data;
- va_start (ap, data);
- output = va_arg (ap, dict_t*);
+ LOCK(&conf->subvolume_lock);
+ {
+ conf->last_event[cnt] = event;
+ }
+ UNLOCK(&conf->subvolume_lock);
- ret = dict_get_int32 (dict, "rebalance-command",
- (int32_t*)&cmd);
- if (ret) {
- va_end (ap);
- return ret;
- }
- LOCK (&defrag->lock);
- {
- if (defrag->is_exiting)
- goto unlock;
- if ((cmd == GF_DEFRAG_CMD_STATUS) ||
- (cmd == GF_DEFRAG_CMD_STATUS_TIER) ||
- (cmd == GF_DEFRAG_CMD_DETACH_STATUS))
- gf_defrag_status_get (conf, output);
- else if (cmd == GF_DEFRAG_CMD_START_DETACH_TIER)
- gf_defrag_start_detach_tier(defrag);
- else if (cmd == GF_DEFRAG_CMD_DETACH_START)
- defrag->cmd = GF_DEFRAG_CMD_DETACH_START;
- else if (cmd == GF_DEFRAG_CMD_STOP ||
- cmd == GF_DEFRAG_CMD_STOP_DETACH_TIER ||
- cmd == GF_DEFRAG_CMD_DETACH_STOP)
- gf_defrag_stop (conf,
- GF_DEFRAG_STATUS_STOPPED, output);
- else if (cmd == GF_DEFRAG_CMD_PAUSE_TIER)
- ret = gf_defrag_pause_tier (this, defrag);
- else if (cmd == GF_DEFRAG_CMD_RESUME_TIER)
- ret = gf_defrag_resume_tier (this, defrag);
- }
-unlock:
- UNLOCK (&defrag->lock);
- va_end (ap);
+ break;
+ case GF_EVENT_VOLUME_DEFRAG: {
+ if (!conf->defrag) {
return ret;
- break;
+ }
+ defrag = conf->defrag;
+
+ dict = data;
+ va_start(ap, data);
+ output = va_arg(ap, dict_t *);
+
+ ret = dict_get_int32(dict, "rebalance-command", (int32_t *)&cmd);
+ if (ret) {
+ va_end(ap);
+ return ret;
+ }
+ LOCK(&defrag->lock);
+ {
+ if (defrag->is_exiting)
+ goto unlock;
+ if ((cmd == GF_DEFRAG_CMD_STATUS) ||
+ (cmd == GF_DEFRAG_CMD_DETACH_STATUS))
+ gf_defrag_status_get(conf, output);
+ else if (cmd == GF_DEFRAG_CMD_DETACH_START)
+ defrag->cmd = GF_DEFRAG_CMD_DETACH_START;
+ else if (cmd == GF_DEFRAG_CMD_STOP ||
+ cmd == GF_DEFRAG_CMD_DETACH_STOP)
+ gf_defrag_stop(conf, GF_DEFRAG_STATUS_STOPPED, output);
+ }
+ unlock:
+ UNLOCK(&defrag->lock);
+ va_end(ap);
+ return ret;
+ break;
}
case GF_EVENT_UPCALL:
- up_data = (struct gf_upcall *)data;
- if (up_data->event_type != GF_UPCALL_CACHE_INVALIDATION)
- break;
- up_ci = (struct gf_upcall_cache_invalidation *)up_data->data;
-
- /* Since md-cache will be aggressively filtering lookups,
- * the stale layout issue will be more pronounced. Hence
- * when a layout xattr is changed by the rebalance process
- * notify all the md-cache clients to invalidate the existing
- * stat cache and send the lookup next time*/
- if (up_ci->dict && dict_get (up_ci->dict, conf->xattr_name))
- up_ci->flags |= UP_EXPLICIT_LOOKUP;
-
- /* TODO: Instead of invalidating iatt, update the new
- * hashed/cached subvolume in dht inode_ctx */
- if (IS_DHT_LINKFILE_MODE (&up_ci->stat))
- up_ci->flags |= UP_EXPLICIT_LOOKUP;
-
- propagate = 1;
+ up_data = (struct gf_upcall *)data;
+ if (up_data->event_type != GF_UPCALL_CACHE_INVALIDATION)
break;
+ up_ci = (struct gf_upcall_cache_invalidation *)up_data->data;
+
+ /* Since md-cache will be aggressively filtering lookups,
+ * the stale layout issue will be more pronounced. Hence
+ * when a layout xattr is changed by the rebalance process
+ * notify all the md-cache clients to invalidate the existing
+ * stat cache and send the lookup next time*/
+ if (up_ci->dict && dict_get(up_ci->dict, conf->xattr_name))
+ up_ci->flags |= UP_EXPLICIT_LOOKUP;
+
+ /* TODO: Instead of invalidating iatt, update the new
+ * hashed/cached subvolume in dht inode_ctx */
+ if (IS_DHT_LINKFILE_MODE(&up_ci->stat))
+ up_ci->flags |= UP_EXPLICIT_LOOKUP;
+
+ propagate = 1;
+ break;
default:
- propagate = 1;
- break;
- }
-
+ propagate = 1;
+ break;
+ }
+
+ /* have all subvolumes reported status once by now? */
+ have_heard_from_all = 1;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (!conf->last_event[i])
+ have_heard_from_all = 0;
+ }
+
+ /* if all subvols have reported status, no need to hide anything
+ or wait for anything else. Just propagate blindly */
+ if (have_heard_from_all) {
+ propagate = 1;
+ }
+
+ if (!had_heard_from_all && have_heard_from_all) {
+ static int run_defrag = 0;
+ /* This is the first event which completes aggregation
+ of events from all subvolumes. If at least one subvol
+ had come up, propagate CHILD_UP, but only this time
+ */
+ event = GF_EVENT_CHILD_DOWN;
- /* have all subvolumes reported status once by now? */
- have_heard_from_all = 1;
for (i = 0; i < conf->subvolume_cnt; i++) {
- if (!conf->last_event[i])
- have_heard_from_all = 0;
- }
-
- /* if all subvols have reported status, no need to hide anything
- or wait for anything else. Just propagate blindly */
- if (have_heard_from_all) {
- propagate = 1;
+ if (conf->last_event[i] == GF_EVENT_CHILD_UP) {
+ event = GF_EVENT_CHILD_UP;
+ break;
+ }
+ if (conf->last_event[i] == GF_EVENT_CHILD_CONNECTING) {
+ event = GF_EVENT_CHILD_CONNECTING;
+ /* continue to check other events for CHILD_UP */
+ }
}
-
- if (!had_heard_from_all && have_heard_from_all) {
- /* This is the first event which completes aggregation
- of events from all subvolumes. If at least one subvol
- had come up, propagate CHILD_UP, but only this time
- */
- event = GF_EVENT_CHILD_DOWN;
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->last_event[i] == GF_EVENT_CHILD_UP) {
- event = GF_EVENT_CHILD_UP;
- break;
- }
-
- if (conf->last_event[i] == GF_EVENT_CHILD_CONNECTING) {
- event = GF_EVENT_CHILD_CONNECTING;
- /* continue to check other events for CHILD_UP */
- }
- }
-
- /* Rebalance is started with assert_no_child_down. So we do
- * not need to handle CHILD_DOWN event here.
- *
- * If there is a graph switch, we should not restart the
- * rebalance daemon. Use 'run_defrag' to indicate if the
- * thread has already started.
- */
- if (conf->defrag && !run_defrag) {
- if (methods->migration_needed(this)) {
- run_defrag = 1;
- ret = gf_thread_create(&conf->defrag->th,
- NULL,
- gf_defrag_start, this,
- "dhtdg");
- if (ret) {
- GF_FREE (conf->defrag);
- conf->defrag = NULL;
- kill (getpid(), SIGTERM);
- }
- }
- }
+ /* Rebalance is started with assert_no_child_down. So we do
+ * not need to handle CHILD_DOWN event here.
+ *
+ * If there is a graph switch, we should not restart the
+ * rebalance daemon. Use 'run_defrag' to indicate if the
+ * thread has already started.
+ */
+ if (conf->defrag && !run_defrag) {
+ run_defrag = 1;
+ ret = gf_thread_create(&conf->defrag->th, NULL, gf_defrag_start,
+ this, "dhtdg");
+ if (ret) {
+ GF_FREE(conf->defrag);
+ conf->defrag = NULL;
+ kill(getpid(), SIGTERM);
+ }
}
+ }
- ret = 0;
- if (propagate)
- ret = default_notify (this, event, data);
+ ret = 0;
+ if (propagate)
+ ret = default_notify(this, event, data);
out:
- return ret;
+ return ret;
}
int
-dht_inode_ctx_layout_get (inode_t *inode, xlator_t *this, dht_layout_t **layout)
+dht_inode_ctx_layout_get(inode_t *inode, xlator_t *this, dht_layout_t **layout)
{
- dht_inode_ctx_t *ctx = NULL;
- int ret = -1;
+ dht_inode_ctx_t *ctx = NULL;
+ int ret = -1;
- ret = dht_inode_ctx_get (inode, this, &ctx);
+ ret = dht_inode_ctx_get(inode, this, &ctx);
- if (!ret && ctx) {
- if (ctx->layout) {
- if (layout)
- *layout = ctx->layout;
- ret = 0;
- } else {
- ret = -1;
- }
+ if (!ret && ctx) {
+ if (ctx->layout) {
+ if (layout)
+ *layout = ctx->layout;
+ ret = 0;
+ } else {
+ ret = -1;
}
+ }
- return ret;
+ return ret;
}
void
-dht_log_new_layout_for_dir_selfheal (xlator_t *this, loc_t *loc,
- dht_layout_t *layout)
-{
-
- char string[2048] = {0};
- char *output_string = NULL;
- int len = 0;
- int off = 0;
- int i = 0;
- gf_loglevel_t log_level = gf_log_get_loglevel();
- int ret = 0;
- int max_string_len = 0;
+dht_log_new_layout_for_dir_selfheal(xlator_t *this, loc_t *loc,
+ dht_layout_t *layout)
+{
+ char string[2048] = {0};
+ char *output_string = NULL;
+ int len = 0;
+ int off = 0;
+ int i = 0;
+ gf_loglevel_t log_level = gf_log_get_loglevel();
+ int ret = 0;
+
+ if (log_level < GF_LOG_INFO)
+ return;
- if (log_level < GF_LOG_INFO)
- return;
+ if (!layout)
+ return;
- if (!layout)
- return;
+ if (!layout->cnt)
+ return;
- if (!layout->cnt)
- return;
+ if (!loc)
+ return;
- if (!loc)
- return;
+ if (!loc->path)
+ return;
- if (!loc->path)
- return;
+ ret = snprintf(string, sizeof(string), "Setting layout of %s with ",
+ loc->path);
- max_string_len = sizeof (string);
+ if (ret < 0)
+ return;
- ret = snprintf (string, max_string_len, "Setting layout of %s with ",
- loc->path);
+ len += ret;
+
+ /* Calculation of total length of the string required to calloc
+ * output_string. Log includes subvolume-name, start-range, end-range
+ * and err value.
+ *
+ * This log will help to debug cases where:
+ * a) Different processes set different layout of a directory.
+ * b) Error captured in lookup, which will be filled in layout->err
+ * (like ENOENT, ESTALE etc)
+ */
+
+ for (i = 0; i < layout->cnt; i++) {
+ ret = snprintf(string, sizeof(string),
+ "[Subvol_name: %s, Err: %d , Start: "
+ "0x%x, Stop: 0x%x, Hash: 0x%x], ",
+ layout->list[i].xlator->name, layout->list[i].err,
+ layout->list[i].start, layout->list[i].stop,
+ layout->list[i].commit_hash);
if (ret < 0)
- return;
+ return;
len += ret;
+ }
- /* Calculation of total length of the string required to calloc
- * output_string. Log includes subvolume-name, start-range, end-range and
- * err value.
- *
- * This log will help to debug cases where:
- * a) Different processes set different layout of a directory.
- * b) Error captured in lookup, which will be filled in layout->err
- * (like ENOENT, ESTALE etc)
- */
-
- for (i = 0; i < layout->cnt; i++) {
+ len++;
- ret = snprintf (string, max_string_len,
- "[Subvol_name: %s, Err: %d , Start: "
- "%"PRIu32 " , Stop: %"PRIu32 " , Hash: %"
- PRIu32 " ], ",
- layout->list[i].xlator->name,
- layout->list[i].err, layout->list[i].start,
- layout->list[i].stop,
- layout->list[i].commit_hash);
+ output_string = GF_MALLOC(len + 1, gf_common_mt_char);
- if (ret < 0)
- return;
-
- len += ret;
-
- }
+ if (!output_string)
+ return;
- len++;
+ ret = snprintf(output_string, len + 1, "Setting layout of %s with ",
+ loc->path);
- output_string = GF_CALLOC (len, sizeof (char), gf_common_mt_char);
+ if (ret < 0)
+ goto err;
- if (!output_string)
- return;
+ off += ret;
- ret = snprintf (output_string, len, "Setting layout of %s with ",
- loc->path);
+ for (i = 0; i < layout->cnt; i++) {
+ ret = snprintf(output_string + off, len - off,
+ "[Subvol_name: %s, Err: %d , Start: "
+ "0x%x, Stop: 0x%x, Hash: 0x%x], ",
+ layout->list[i].xlator->name, layout->list[i].err,
+ layout->list[i].start, layout->list[i].stop,
+ layout->list[i].commit_hash);
if (ret < 0)
- goto err;
+ goto err;
off += ret;
+ }
-
- for (i = 0; i < layout->cnt; i++) {
-
- ret = snprintf (output_string + off, len - off,
- "[Subvol_name: %s, Err: %d , Start: "
- "%"PRIu32 " , Stop: %"PRIu32 " , Hash: %"
- PRIu32 " ], ",
- layout->list[i].xlator->name,
- layout->list[i].err, layout->list[i].start,
- layout->list[i].stop,
- layout->list[i].commit_hash);
-
- if (ret < 0)
- goto err;
-
- off += ret;
-
- }
-
- gf_msg (this->name, GF_LOG_DEBUG, 0, DHT_MSG_LOG_FIXED_LAYOUT,
- "%s", output_string);
+ gf_msg(this->name, GF_LOG_DEBUG, 0, DHT_MSG_LOG_FIXED_LAYOUT, "%s",
+ output_string);
err:
- GF_FREE (output_string);
+ GF_FREE(output_string);
}
-int32_t dht_migration_get_dst_subvol(xlator_t *this, dht_local_t *local)
+int32_t
+dht_migration_get_dst_subvol(xlator_t *this, dht_local_t *local)
{
- int ret = -1;
+ int ret = -1;
- if (!local)
- goto out;
+ if (!local)
+ goto out;
- local->rebalance.target_node =
- dht_subvol_get_hashed (this, &local->loc);
+ local->rebalance.target_node = dht_subvol_get_hashed(this, &local->loc);
- if (local->rebalance.target_node)
- ret = 0;
+ if (local->rebalance.target_node)
+ ret = 0;
out:
- return ret;
+ return ret;
}
-int32_t dht_migration_needed(xlator_t *this)
+/*
+This function should not be called more then once during a FOP
+handling path. It is valid only for for ops on files
+*/
+int32_t
+dht_set_local_rebalance(xlator_t *this, dht_local_t *local, struct iatt *stbuf,
+ struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata)
{
- gf_defrag_info_t *defrag = NULL;
- dht_conf_t *conf = NULL;
- int ret = 0;
+ if (!local)
+ return -1;
- conf = this->private;
+ if (local->rebalance.set) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_REBAL_STRUCT_SET,
+ "local->rebalance already set");
+ }
- GF_VALIDATE_OR_GOTO ("dht", conf, out);
- GF_VALIDATE_OR_GOTO ("dht", conf->defrag, out);
+ if (stbuf)
+ memcpy(&local->rebalance.stbuf, stbuf, sizeof(struct iatt));
- defrag = conf->defrag;
+ if (prebuf)
+ memcpy(&local->rebalance.prebuf, prebuf, sizeof(struct iatt));
- if ((defrag->cmd != GF_DEFRAG_CMD_START_TIER) &&
- (defrag->cmd != GF_DEFRAG_CMD_START_DETACH_TIER))
- ret = 1;
+ if (postbuf)
+ memcpy(&local->rebalance.postbuf, postbuf, sizeof(struct iatt));
-out:
- return ret;
-}
+ if (xdata)
+ local->rebalance.xdata = dict_ref(xdata);
+ local->rebalance.set = 1;
+ return 0;
+}
-/*
-This function should not be called more then once during a FOP
-handling path. It is valid only for for ops on files
-*/
-int32_t dht_set_local_rebalance (xlator_t *this, dht_local_t *local,
- struct iatt *stbuf,
- struct iatt *prebuf, struct iatt *postbuf,
- dict_t *xdata)
+int32_t
+dht_release(xlator_t *this, fd_t *fd)
{
+ return dht_fd_ctx_destroy(this, fd);
+}
- if (!local)
- return -1;
-
- if (local->rebalance.set) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_REBAL_STRUCT_SET,
- "local->rebalance already set");
- }
+static int
+dht_pt_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ local = frame->local;
- if (stbuf)
- memcpy (&local->rebalance.stbuf, stbuf, sizeof (struct iatt));
+ if (!op_ret) {
+ dht_layout_set(this, inode, local->layout);
+ }
- if (prebuf)
- memcpy (&local->rebalance.prebuf, prebuf, sizeof (struct iatt));
+ DHT_STACK_UNWIND(mkdir, frame, op_ret, op_errno, inode, stbuf, preparent,
+ postparent, NULL);
- if (postbuf)
- memcpy (&local->rebalance.postbuf, postbuf,
- sizeof (struct iatt));
+ return 0;
+}
- if (xdata)
- local->rebalance.xdata = dict_ref (xdata);
+int32_t
+dht_pt_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata)
+{
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ bool free_xdata = false;
+ int ret = 0;
+ int op_errno = 0;
+ int32_t *disk_layout_p = NULL;
+
+ conf = this->private;
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_MKDIR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ layout = dht_layout_new(this, conf->subvolume_cnt);
+ if (!layout)
+ goto wind;
+
+ local->layout = layout;
+
+ if (!xdata) {
+ xdata = dict_new();
+ if (!xdata)
+ goto wind;
+ free_xdata = true;
+ }
+
+ /*Set the xlator or the following will crash*/
+ layout->list[0].xlator = conf->subvolumes[0];
+
+ dht_selfheal_layout_new_directory(frame, loc, layout);
+
+ dht_disk_layout_extract(this, layout, 0, &disk_layout_p);
+
+ ret = dict_set_bin(xdata, conf->xattr_name, disk_layout_p, 4 * 4);
+ if (ret) {
+ gf_msg("dht", GF_LOG_DEBUG, EINVAL, DHT_MSG_DICT_SET_FAILED,
+ "dht layout dict set failed");
+ }
+wind:
+ STACK_WIND(frame, dht_pt_mkdir_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->mkdir, loc, mode, umask, xdata);
+ if (free_xdata)
+ dict_unref(xdata);
+ return 0;
- local->rebalance.set = 1;
+err:
+ op_errno = local ? local->op_errno : op_errno;
+ DHT_STACK_UNWIND(mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-gf_boolean_t
-dht_is_tier_xlator (xlator_t *this)
+static int
+dht_pt_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
{
+ dht_conf_t *conf = NULL;
- if (strcmp (this->type, "cluster/tier") == 0)
- return _gf_true;
- return _gf_false;
-}
+ conf = this->private;
+ dict_del(xattr, conf->xattr_name);
+ dict_del(xattr, conf->mds_xattr_key);
+ dict_del(xattr, conf->commithash_xattr_name);
-int32_t
-dht_release (xlator_t *this, fd_t *fd)
-{
- return dht_fd_ctx_destroy (this, fd);
+ if (frame->root->pid >= 0) {
+ GF_REMOVE_INTERNAL_XATTR("trusted.glusterfs.quota*", xattr);
+ GF_REMOVE_INTERNAL_XATTR("trusted.pgfid*", xattr);
+ }
+
+ DHT_STACK_UNWIND(getxattr, frame, op_ret, op_errno, xattr, xdata);
+ return 0;
}
int
-dht_remove_stale_linkto (void *data)
+dht_pt_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *key, dict_t *xdata)
{
- call_frame_t *frame = NULL;
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- dict_t *xdata_in = NULL;
- int ret = 0;
-
- GF_VALIDATE_OR_GOTO ("dht", data, out);
+ STACK_WIND(frame, dht_pt_getxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr, loc, key, xdata);
+ return 0;
+}
- frame = data;
- local = frame->local;
- this = frame->this;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", local, out);
- GF_VALIDATE_OR_GOTO ("dht", local->link_subvol, out);
+static int
+dht_pt_fgetxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xattr, dict_t *xdata)
+{
+ dht_conf_t *conf = NULL;
- xdata_in = dict_new ();
- if (!xdata_in)
- goto out;
+ conf = this->private;
+ dict_del(xattr, conf->xattr_name);
- ret = dht_fill_dict_to_avoid_unlink_of_migrating_file (xdata_in);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret, 0,
- "Failed to set keys for stale linkto"
- "deletion on path %s", local->loc.path);
- goto out;
- }
+ if (frame->root->pid >= 0) {
+ GF_REMOVE_INTERNAL_XATTR("trusted.glusterfs.quota*", xattr);
+ GF_REMOVE_INTERNAL_XATTR("trusted.pgfid*", xattr);
+ }
- ret = syncop_unlink (local->link_subvol, &local->loc, xdata_in, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret, 0,
- "Removal of linkto failed"
- " on path %s at subvol %s",
- local->loc.path, local->link_subvol->name);
+ DHT_STACK_UNWIND(fgetxattr, frame, op_ret, op_errno, xattr, xdata);
+ return 0;
+}
- }
-out:
- if (xdata_in)
- dict_unref (xdata_in);
- return ret;
+int
+dht_pt_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
+ dict_t *xdata)
+{
+ STACK_WIND(frame, dht_pt_fgetxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->fgetxattr, fd, key, xdata);
+ return 0;
}
+/* The job of this function is to check if all the xlators have updated
+ * error in the layout. */
int
-dht_remove_stale_linkto_cbk (int ret, call_frame_t *sync_frame, void *data)
+dht_dir_layout_error_check(xlator_t *this, inode_t *inode)
{
- DHT_STACK_DESTROY (sync_frame);
- return 0;
+ dht_layout_t *layout = NULL;
+ int i = 0;
+
+ layout = dht_layout_get(this, inode);
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].err == 0) {
+ return 0;
+ }
+ }
+
+ /* Returning the first xlator error as all xlators have errors */
+ return layout->list[0].err;
}
diff --git a/xlators/cluster/dht/src/dht-common.h b/xlators/cluster/dht/src/dht-common.h
index 2520671e35d..fe0dc3db34a 100644
--- a/xlators/cluster/dht/src/dht-common.h
+++ b/xlators/cluster/dht/src/dht-common.h
@@ -9,156 +9,148 @@
*/
#include <regex.h>
-#include <signal.h>
-#include <fnmatch.h>
#include "dht-mem-types.h"
#include "dht-messages.h"
-#include "call-stub.h"
+#include <glusterfs/call-stub.h>
#include "libxlator.h"
-#include "syncop.h"
-#include "refcount.h"
-#include "timer.h"
+#include <glusterfs/syncop.h>
+#include <glusterfs/refcount.h>
+#include <glusterfs/timer.h>
#include "protocol-common.h"
-#include "glusterfs-acl.h"
+#include <glusterfs/glusterfs-acl.h>
#ifndef _DHT_H
#define _DHT_H
-#define GF_XATTR_FIX_LAYOUT_KEY "distribute.fix.layout"
-#define GF_XATTR_TIER_LAYOUT_FIXED_KEY "trusted.tier.fix.layout.complete"
-#define GF_XATTR_FILE_MIGRATE_KEY "trusted.distribute.migrate-data"
-#define DHT_MDS_STR "mds"
-#define GF_DHT_LOOKUP_UNHASHED_OFF 0
-#define GF_DHT_LOOKUP_UNHASHED_ON 1
-#define GF_DHT_LOOKUP_UNHASHED_AUTO 2
-#define DHT_PATHINFO_HEADER "DISTRIBUTE:"
-#define DHT_FILE_MIGRATE_DOMAIN "dht.file.migrate"
+#define GF_XATTR_FIX_LAYOUT_KEY "distribute.fix.layout"
+#define GF_XATTR_FILE_MIGRATE_KEY "trusted.distribute.migrate-data"
+#define DHT_MDS_STR "mds"
+#define GF_DHT_LOOKUP_UNHASHED_OFF 0
+#define GF_DHT_LOOKUP_UNHASHED_ON 1
+#define GF_DHT_LOOKUP_UNHASHED_AUTO 2
+#define DHT_PATHINFO_HEADER "DISTRIBUTE:"
+#define DHT_FILE_MIGRATE_DOMAIN "dht.file.migrate"
/* Layout synchronization */
-#define DHT_LAYOUT_HEAL_DOMAIN "dht.layout.heal"
+#define DHT_LAYOUT_HEAL_DOMAIN "dht.layout.heal"
/* Namespace synchronization */
-#define DHT_ENTRY_SYNC_DOMAIN "dht.entry.sync"
-#define TIERING_MIGRATION_KEY "tiering.migration"
-#define DHT_LAYOUT_HASH_INVALID 1
-#define MAX_REBAL_THREADS sysconf(_SC_NPROCESSORS_ONLN)
+#define DHT_ENTRY_SYNC_DOMAIN "dht.entry.sync"
+#define DHT_LAYOUT_HASH_INVALID 1
+#define MAX_REBAL_THREADS sysconf(_SC_NPROCESSORS_ONLN)
-#define DHT_DIR_STAT_BLOCKS 8
-#define DHT_DIR_STAT_SIZE 4096
+#define DHT_DIR_STAT_BLOCKS 8
+#define DHT_DIR_STAT_SIZE 4096
+/* Virtual xattr for subvols status */
-/* Virtual xattrs for debugging */
+#define DHT_SUBVOL_STATUS_KEY "dht.subvol.status"
-#define DHT_DBG_HASHED_SUBVOL_KEY "dht.file.hashed-subvol"
+/* Virtual xattrs for debugging */
-
-/* Array to hold custom xattr keys
-*/
-extern char *xattrs_to_heal[];
+#define DHT_DBG_HASHED_SUBVOL_PATTERN "dht.file.hashed-subvol.*"
+#define DHT_DBG_HASHED_SUBVOL_KEY "dht.file.hashed-subvol."
/* Rebalance nodeuuid flags */
-#define REBAL_NODEUUID_MINE 0x01
-
+#define REBAL_NODEUUID_MINE 0x01
-typedef int (*dht_selfheal_dir_cbk_t) (call_frame_t *frame, void *cookie,
- xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- dict_t *xdata);
-typedef int (*dht_defrag_cbk_fn_t) (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
+typedef int (*dht_selfheal_dir_cbk_t)(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata);
+typedef int (*dht_defrag_cbk_fn_t)(xlator_t *this, xlator_t *dst_node,
+ call_frame_t *frame, int ret);
-typedef int (*dht_refresh_layout_unlock) (call_frame_t *frame, xlator_t *this,
+typedef int (*dht_refresh_layout_unlock)(call_frame_t *frame, xlator_t *this,
int op_ret, int invoke_cbk);
-typedef int (*dht_refresh_layout_done_handle) (call_frame_t *frame);
+typedef int (*dht_refresh_layout_done_handle)(call_frame_t *frame);
struct dht_layout {
- int spread_cnt; /* layout spread count per directory,
- is controlled by 'setxattr()' with
- special key */
- int cnt;
- int preset;
- /*
- * The last *configuration* state for which this directory was known
- * to be in balance. The corresponding vol_commit_hash changes
- * whenever bricks are added or removed. This value changes when a
- * (full) rebalance is complete. If they match, it's safe to assume
- * that every file is where it should be and there's no need to do
- * lookups for files elsewhere. If they don't, then we have to do a
- * global lookup to be sure.
- */
- uint32_t commit_hash;
- /*
- * The *runtime* state of the volume, changes when connections to
- * bricks are made or lost.
- */
- int gen;
- int type;
- gf_atomic_t ref; /* use with dht_conf_t->layout_lock */
- uint32_t search_unhashed;
- struct {
- int err; /* 0 = normal
- -1 = dir exists and no xattr
- >0 = dir lookup failed with errno
- */
- uint32_t start;
- uint32_t stop;
- uint32_t commit_hash;
- xlator_t *xlator;
- } list[];
+ int spread_cnt; /* layout spread count per directory,
+ is controlled by 'setxattr()' with
+ special key */
+ int cnt;
+ int preset;
+ /*
+ * The last *configuration* state for which this directory was known
+ * to be in balance. The corresponding vol_commit_hash changes
+ * whenever bricks are added or removed. This value changes when a
+ * (full) rebalance is complete. If they match, it's safe to assume
+ * that every file is where it should be and there's no need to do
+ * lookups for files elsewhere. If they don't, then we have to do a
+ * global lookup to be sure.
+ */
+ uint32_t commit_hash;
+ /*
+ * The *runtime* state of the volume, changes when connections to
+ * bricks are made or lost.
+ */
+ int gen;
+ int type;
+ gf_atomic_t ref; /* use with dht_conf_t->layout_lock */
+ uint32_t search_unhashed;
+ struct {
+ int err; /* 0 = normal
+ -1 = dir exists and no xattr
+ >0 = dir lookup failed with errno
+ */
+ uint32_t start;
+ uint32_t stop;
+ uint32_t commit_hash;
+ xlator_t *xlator;
+ } list[];
};
-typedef struct dht_layout dht_layout_t;
+typedef struct dht_layout dht_layout_t;
struct dht_stat_time {
- uint32_t atime;
- uint32_t atime_nsec;
- uint32_t ctime;
- uint32_t ctime_nsec;
- uint32_t mtime;
- uint32_t mtime_nsec;
+ uint32_t atime;
+ uint32_t atime_nsec;
+ uint32_t ctime;
+ uint32_t ctime_nsec;
+ uint32_t mtime;
+ uint32_t mtime_nsec;
};
typedef struct dht_stat_time dht_stat_time_t;
struct dht_inode_ctx {
- dht_layout_t *layout;
- dht_stat_time_t time;
- xlator_t *lock_subvol;
- xlator_t *mds_subvol; /* This is only used for directories */
+ dht_layout_t *layout;
+ dht_stat_time_t time;
+ xlator_t *lock_subvol;
+ xlator_t *mds_subvol; /* This is only used for directories */
};
typedef struct dht_inode_ctx dht_inode_ctx_t;
-
typedef enum {
- DHT_HASH_TYPE_DM,
- DHT_HASH_TYPE_DM_USER,
+ DHT_HASH_TYPE_DM,
+ DHT_HASH_TYPE_DM_USER,
} dht_hashfn_type_t;
typedef enum {
- DHT_INODELK,
- DHT_ENTRYLK,
+ DHT_INODELK,
+ DHT_ENTRYLK,
} dht_lock_type_t;
/* rebalance related */
struct dht_rebalance_ {
- xlator_t *from_subvol;
- xlator_t *target_node;
- off_t offset;
- size_t size;
- int32_t flags;
- int count;
- struct iobref *iobref;
- struct iovec *vector;
- struct iatt stbuf;
- struct iatt prebuf;
- struct iatt postbuf;
- dht_defrag_cbk_fn_t target_op_fn;
- dict_t *xdata;
- dict_t *xattr;
- dict_t *dict;
- int32_t set;
- struct gf_flock flock;
- int lock_cmd;
+ xlator_t *from_subvol;
+ xlator_t *target_node;
+ off_t offset;
+ size_t size;
+ int32_t flags;
+ int count;
+ struct iobref *iobref;
+ struct iovec *vector;
+ struct iatt stbuf;
+ struct iatt prebuf;
+ struct iatt postbuf;
+ dht_defrag_cbk_fn_t target_op_fn;
+ dict_t *xdata;
+ dict_t *xattr;
+ dict_t *dict;
+ struct gf_flock flock;
+ int32_t set;
+ int lock_cmd;
};
/**
@@ -166,63 +158,62 @@ struct dht_rebalance_ {
* events
**/
typedef enum {
- qdstatfs_action_OFF = 0,
- qdstatfs_action_REPLACE,
- qdstatfs_action_NEGLECT,
- qdstatfs_action_COMPARE,
+ qdstatfs_action_OFF = 0,
+ qdstatfs_action_REPLACE,
+ qdstatfs_action_NEGLECT,
+ qdstatfs_action_COMPARE,
} qdstatfs_action_t;
typedef enum {
- REACTION_INVALID,
- FAIL_ON_ANY_ERROR,
- IGNORE_ENOENT_ESTALE,
- IGNORE_ENOENT_ESTALE_EIO,
+ REACTION_INVALID,
+ FAIL_ON_ANY_ERROR,
+ IGNORE_ENOENT_ESTALE,
+ IGNORE_ENOENT_ESTALE_EIO,
} dht_reaction_type_t;
struct dht_skip_linkto_unlink {
-
- gf_boolean_t handle_valid_link;
- int opend_fd_count;
- xlator_t *hash_links_to;
- uuid_t cached_gfid;
- uuid_t hashed_gfid;
+ xlator_t *hash_links_to;
+ uuid_t cached_gfid;
+ uuid_t hashed_gfid;
+ int opend_fd_count;
+ gf_boolean_t handle_valid_link;
};
typedef struct {
- xlator_t *xl;
- loc_t loc; /* contains/points to inode to lock on. */
- short type; /* read/write lock. */
- char *domain; /* Only locks within a single domain
- * contend with each other
- */
- char *basename; /* Required for entrylk */
- gf_lkowner_t lk_owner;
- gf_boolean_t locked;
- dht_reaction_type_t do_on_failure;
+ xlator_t *xl;
+ loc_t loc; /* contains/points to inode to lock on. */
+ char *domain; /* Only locks within a single domain
+ * contend with each other
+ */
+ char *basename; /* Required for entrylk */
+ gf_boolean_t locked;
+ dht_reaction_type_t do_on_failure;
+ short type; /* read/write lock. */
+ gf_lkowner_t lk_owner;
} dht_lock_t;
/* The lock structure represents inodelk. */
typedef struct {
- fop_inodelk_cbk_t inodelk_cbk;
- dht_lock_t **locks;
- int lk_count;
- dht_reaction_type_t reaction;
-
- /* whether locking failed on _any_ of the "locks" above */
- int op_ret;
- int op_errno;
+ fop_inodelk_cbk_t inodelk_cbk;
+ dht_lock_t **locks;
+ int lk_count;
+ dht_reaction_type_t reaction;
+
+ /* whether locking failed on _any_ of the "locks" above */
+ int op_ret;
+ int op_errno;
} dht_ilock_wrap_t;
/* The lock structure represents entrylk. */
typedef struct {
- fop_entrylk_cbk_t entrylk_cbk;
- dht_lock_t **locks;
- int lk_count;
- dht_reaction_type_t reaction;
-
- /* whether locking failed on _any_ of the "locks" above */
- int op_ret;
- int op_errno;
+ fop_entrylk_cbk_t entrylk_cbk;
+ dht_lock_t **locks;
+ int lk_count;
+ dht_reaction_type_t reaction;
+
+ /* whether locking failed on _any_ of the "locks" above */
+ int op_ret;
+ int op_errno;
} dht_elock_wrap_t;
/* The first member of dht_dir_transaction_t should be of type dht_ilock_wrap_t.
@@ -231,1263 +222,1163 @@ typedef struct {
* lock[0].ns.parent_layout (like in dht_local_wipe).
*/
typedef union {
- union {
- dht_ilock_wrap_t my_layout;
- dht_ilock_wrap_t parent_layout;
- } layout;
- struct dht_namespace {
- dht_ilock_wrap_t parent_layout;
- dht_elock_wrap_t directory_ns;
- fop_entrylk_cbk_t ns_cbk;
- } ns;
+ union {
+ dht_ilock_wrap_t my_layout;
+ dht_ilock_wrap_t parent_layout;
+ } layout;
+ struct dht_namespace {
+ dht_ilock_wrap_t parent_layout;
+ dht_elock_wrap_t directory_ns;
+ fop_entrylk_cbk_t ns_cbk;
+ } ns;
} dht_dir_transaction_t;
-typedef
-int (*dht_selfheal_layout_t)(call_frame_t *frame, loc_t *loc,
- dht_layout_t *layout);
-
-typedef
-gf_boolean_t (*dht_need_heal_t)(call_frame_t *frame, dht_layout_t **inmem,
- dht_layout_t **ondisk);
+typedef int (*dht_selfheal_layout_t)(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *layout);
-typedef struct {
- uint64_t blocks_used;
- uint64_t pblocks_used;
- uint64_t files_used;
- uint64_t pfiles_used;
- uint64_t unhashed_blocks_used;
- uint64_t unhashed_pblocks_used;
- uint64_t unhashed_files_used;
- uint64_t unhashed_pfiles_used;
- uint64_t unhashed_fsid;
- uint64_t hashed_fsid;
-} tier_statvfs_t;
+typedef gf_boolean_t (*dht_need_heal_t)(call_frame_t *frame,
+ dht_layout_t **inmem,
+ dht_layout_t **ondisk);
struct dht_local {
- int call_cnt;
- loc_t loc;
- loc_t loc2;
- int op_ret;
- int op_errno;
- int layout_mismatch;
- /* Use stbuf as the postbuf, when we require both
- * pre and post attrs */
- struct iatt stbuf;
- struct iatt mds_stbuf;
- struct iatt prebuf;
- struct iatt preoldparent;
- struct iatt postoldparent;
- struct iatt preparent;
- struct iatt postparent;
- struct statvfs statvfs;
- tier_statvfs_t tier_statvfs;
- fd_t *fd;
- inode_t *inode;
- dict_t *params;
- dict_t *xattr;
- dict_t *mds_xattr;
- dict_t *xdata; /* dict used to save xdata response by xattr fop */
- dict_t *xattr_req;
- dht_layout_t *layout;
- size_t size;
- ino_t ia_ino;
- xlator_t *src_hashed, *src_cached;
- xlator_t *dst_hashed, *dst_cached;
- xlator_t *cached_subvol;
- xlator_t *hashed_subvol;
- xlator_t *mds_subvol; /* This is use for dir only */
- char need_selfheal;
- char need_xattr_heal;
- char need_attrheal;
- int file_count;
- int dir_count;
- call_frame_t *main_frame;
- int fop_succeeded;
- struct {
- fop_mknod_cbk_t linkfile_cbk;
- struct iatt stbuf;
- loc_t loc;
- inode_t *inode;
- dict_t *xattr;
- xlator_t *srcvol;
- } linkfile;
- struct {
- uint32_t hole_cnt;
- uint32_t overlaps_cnt;
- uint32_t down;
- uint32_t misc;
- uint32_t missing_cnt;
- dht_selfheal_dir_cbk_t dir_cbk;
- dht_selfheal_layout_t healer;
- dht_need_heal_t should_heal;
- gf_boolean_t force_mkdir;
- dht_layout_t *layout, *refreshed_layout;
- } selfheal;
-
- dht_refresh_layout_unlock refresh_layout_unlock;
- dht_refresh_layout_done_handle refresh_layout_done;
-
- uint32_t uid;
- uint32_t gid;
-
- /* needed by nufa */
- int32_t flags;
- mode_t mode;
- dev_t rdev;
- mode_t umask;
-
- /* need for file-info */
- char *xattr_val;
- char *key;
-
- /* which xattr request? */
- char xsel[256];
- int32_t alloc_len;
-
- /* gfid related */
- uuid_t gfid;
-
- /* flag used to make sure we need to return estale in
- {lookup,revalidate}_cbk */
- char return_estale;
- char need_lookup_everywhere;
-
- glusterfs_fop_t fop;
-
- gf_boolean_t linked;
- xlator_t *link_subvol;
-
- struct dht_rebalance_ rebalance;
- xlator_t *first_up_subvol;
-
- gf_boolean_t quota_deem_statfs;
-
- gf_boolean_t added_link;
- gf_boolean_t is_linkfile;
-
- struct dht_skip_linkto_unlink skip_unlink;
-
- dht_dir_transaction_t lock[2], *current;
-
- /* inodelks during filerename for backward compatibility */
- dht_lock_t **rename_inodelk_backward_compatible;
- int rename_inodelk_bc_count;
-
- short lock_type;
-
- call_stub_t *stub;
- int32_t parent_disk_layout[4];
-
- /* rename rollback */
- int *ret_cache ;
-
- /* fd open check */
- gf_boolean_t fd_checked;
- /* This is use only for directory operation */
- int32_t valid;
- gf_boolean_t heal_layout;
- int32_t mds_heal_fresh_lookup;
- loc_t loc2_copy;
- gf_boolean_t locked;
- gf_boolean_t dont_create_linkto;
+ loc_t loc;
+ loc_t loc2;
+ int call_cnt;
+ int op_ret;
+ int op_errno;
+ int layout_mismatch;
+ /* Use stbuf as the postbuf, when we require both
+ * pre and post attrs */
+ struct iatt stbuf;
+ struct iatt mds_stbuf;
+ struct iatt prebuf;
+ struct iatt preoldparent;
+ struct iatt postoldparent;
+ struct iatt preparent;
+ struct iatt postparent;
+ struct statvfs statvfs;
+ fd_t *fd;
+ inode_t *inode;
+ dict_t *params;
+ dict_t *xattr;
+ dict_t *mds_xattr;
+ dict_t *xdata; /* dict used to save xdata response by xattr fop */
+ dict_t *xattr_req;
+ dht_layout_t *layout;
+ size_t size;
+ ino_t ia_ino;
+ xlator_t *src_hashed, *src_cached;
+ xlator_t *dst_hashed, *dst_cached;
+ xlator_t *cached_subvol;
+ xlator_t *hashed_subvol;
+ xlator_t *mds_subvol; /* This is use for dir only */
+ int file_count;
+ int dir_count;
+ call_frame_t *main_frame;
+ int fop_succeeded;
+ struct {
+ fop_mknod_cbk_t linkfile_cbk;
+ struct iatt stbuf;
+ loc_t loc;
+ inode_t *inode;
+ dict_t *xattr;
+ xlator_t *srcvol;
+ } linkfile;
+ struct {
+ uint32_t hole_cnt;
+ uint32_t overlaps_cnt;
+ uint32_t down;
+ uint32_t misc;
+ dht_selfheal_dir_cbk_t dir_cbk;
+ dht_selfheal_layout_t healer;
+ dht_need_heal_t should_heal;
+ dht_layout_t *layout, *refreshed_layout;
+ uint32_t missing_cnt;
+ gf_boolean_t force_mkdir;
+ } selfheal;
+
+ dht_refresh_layout_unlock refresh_layout_unlock;
+ dht_refresh_layout_done_handle refresh_layout_done;
+
+ uint32_t uid;
+ uint32_t gid;
+ pid_t pid;
+
+ glusterfs_fop_t fop;
+
+ /* need for file-info */
+ char *xattr_val;
+ char *key;
+
+ /* needed by nufa */
+ int32_t flags;
+ mode_t mode;
+ dev_t rdev;
+ mode_t umask;
+
+ /* which xattr request? */
+ char xsel[256];
+ int32_t alloc_len;
+
+ /* gfid related */
+ uuid_t gfid;
+ uuid_t gfid_req;
+
+ xlator_t *link_subvol;
+
+ struct dht_rebalance_ rebalance;
+ xlator_t *first_up_subvol;
+
+ struct dht_skip_linkto_unlink skip_unlink;
+
+ dht_dir_transaction_t lock[2], *current;
+
+ /* inodelks during filerename for backward compatibility */
+ dht_lock_t **rename_inodelk_backward_compatible;
+
+ call_stub_t *stub;
+ int32_t parent_disk_layout[4];
+
+ /* rename rollback */
+ int *ret_cache;
+
+ loc_t loc2_copy;
+
+ int rename_inodelk_bc_count;
+ /* This is use only for directory operation */
+ int32_t valid;
+ int32_t mds_heal_fresh_lookup;
+ short lock_type;
+ char need_selfheal;
+ char need_xattr_heal;
+ char need_attrheal;
+ /* flag used to make sure we need to return estale in
+ {lookup,revalidate}_cbk */
+ char return_estale;
+ char need_lookup_everywhere;
+ /* fd open check */
+ gf_boolean_t fd_checked;
+ gf_boolean_t linked;
+ gf_boolean_t added_link;
+ gf_boolean_t is_linkfile;
+ gf_boolean_t quota_deem_statfs;
+ gf_boolean_t heal_layout;
+ gf_boolean_t locked;
+ gf_boolean_t dont_create_linkto;
+ gf_boolean_t gfid_missing;
};
typedef struct dht_local dht_local_t;
/* du - disk-usage */
struct dht_du {
- double avail_percent;
- double avail_inodes;
- uint64_t avail_space;
- uint32_t log;
- uint32_t chunks;
- uint32_t total_blocks;
- uint32_t avail_blocks;
- uint32_t frsize; /*fragment size*/
+ double avail_percent;
+ double avail_inodes;
+ uint64_t avail_space;
+ uint32_t log;
+ uint32_t chunks;
+ uint32_t total_blocks;
+ uint32_t avail_blocks;
+ uint32_t frsize; /*fragment size*/
};
typedef struct dht_du dht_du_t;
enum gf_defrag_type {
- GF_DEFRAG_CMD_NONE = 0,
- GF_DEFRAG_CMD_START = 1,
- GF_DEFRAG_CMD_STOP = 1 + 1,
- GF_DEFRAG_CMD_STATUS = 1 + 2,
- GF_DEFRAG_CMD_START_LAYOUT_FIX = 1 + 3,
- GF_DEFRAG_CMD_START_FORCE = 1 + 4,
- GF_DEFRAG_CMD_START_TIER = 1 + 5,
- GF_DEFRAG_CMD_STATUS_TIER = 1 + 6,
- GF_DEFRAG_CMD_START_DETACH_TIER = 1 + 7,
- GF_DEFRAG_CMD_STOP_DETACH_TIER = 1 + 8,
- GF_DEFRAG_CMD_PAUSE_TIER = 1 + 9,
- GF_DEFRAG_CMD_RESUME_TIER = 1 + 10,
- GF_DEFRAG_CMD_DETACH_STATUS = 1 + 11,
- GF_DEFRAG_CMD_STOP_TIER = 1 + 12,
- GF_DEFRAG_CMD_DETACH_START = 1 + 13,
- GF_DEFRAG_CMD_DETACH_COMMIT = 1 + 14,
- GF_DEFRAG_CMD_DETACH_COMMIT_FORCE = 1 + 15,
- GF_DEFRAG_CMD_DETACH_STOP = 1 + 16,
- /* new labels are used so it will help
- * while removing old labels by easily differentiating.
- * A few labels are added so that the count remains same
- * between this enum and the ones on the xdr file.
- * different values for the same enum cause errors and
- * confusion.
- */
+ GF_DEFRAG_CMD_NONE = 0,
+ GF_DEFRAG_CMD_START = 1,
+ GF_DEFRAG_CMD_STOP = 1 + 1,
+ GF_DEFRAG_CMD_STATUS = 1 + 2,
+ GF_DEFRAG_CMD_START_LAYOUT_FIX = 1 + 3,
+ GF_DEFRAG_CMD_START_FORCE = 1 + 4,
+ GF_DEFRAG_CMD_DETACH_STATUS = 1 + 11,
+ GF_DEFRAG_CMD_DETACH_START = 1 + 13,
+ GF_DEFRAG_CMD_DETACH_COMMIT = 1 + 14,
+ GF_DEFRAG_CMD_DETACH_COMMIT_FORCE = 1 + 15,
+ GF_DEFRAG_CMD_DETACH_STOP = 1 + 16,
+ /* new labels are used so it will help
+ * while removing old labels by easily differentiating.
+ * A few labels are added so that the count remains same
+ * between this enum and the ones on the xdr file.
+ * different values for the same enum cause errors and
+ * confusion.
+ */
};
typedef enum gf_defrag_type gf_defrag_type;
enum gf_defrag_status_t {
- GF_DEFRAG_STATUS_NOT_STARTED,
- GF_DEFRAG_STATUS_STARTED,
- GF_DEFRAG_STATUS_STOPPED,
- GF_DEFRAG_STATUS_COMPLETE,
- GF_DEFRAG_STATUS_FAILED,
- GF_DEFRAG_STATUS_LAYOUT_FIX_STARTED,
- GF_DEFRAG_STATUS_LAYOUT_FIX_STOPPED,
- GF_DEFRAG_STATUS_LAYOUT_FIX_COMPLETE,
- GF_DEFRAG_STATUS_LAYOUT_FIX_FAILED,
+ GF_DEFRAG_STATUS_NOT_STARTED,
+ GF_DEFRAG_STATUS_STARTED,
+ GF_DEFRAG_STATUS_STOPPED,
+ GF_DEFRAG_STATUS_COMPLETE,
+ GF_DEFRAG_STATUS_FAILED,
+ GF_DEFRAG_STATUS_LAYOUT_FIX_STARTED,
+ GF_DEFRAG_STATUS_LAYOUT_FIX_STOPPED,
+ GF_DEFRAG_STATUS_LAYOUT_FIX_COMPLETE,
+ GF_DEFRAG_STATUS_LAYOUT_FIX_FAILED,
};
typedef enum gf_defrag_status_t gf_defrag_status_t;
typedef struct gf_defrag_pattern_list gf_defrag_pattern_list_t;
struct gf_defrag_pattern_list {
- char path_pattern[256];
- uint64_t size;
- gf_defrag_pattern_list_t *next;
+ char path_pattern[256];
+ uint64_t size;
+ gf_defrag_pattern_list_t *next;
};
struct dht_container {
- union {
- struct list_head list;
- struct {
- struct _gf_dirent_t *next;
- struct _gf_dirent_t *prev;
- };
+ union {
+ struct list_head list;
+ struct {
+ struct _gf_dirent_t *next;
+ struct _gf_dirent_t *prev;
};
- gf_dirent_t *df_entry;
- xlator_t *this;
- loc_t *parent_loc;
- dict_t *migrate_data;
- int local_subvol_index;
+ };
+ gf_dirent_t *df_entry;
+ xlator_t *this;
+ loc_t *parent_loc;
+ dict_t *migrate_data;
+ int local_subvol_index;
};
-typedef enum tier_mode_ {
- TIER_MODE_NONE = 0,
- TIER_MODE_TEST,
- TIER_MODE_WM
-} tier_mode_t;
-
-typedef enum tier_pause_state_ {
- TIER_RUNNING = 0,
- TIER_REQUEST_PAUSE,
- TIER_PAUSED
-} tier_pause_state_t;
-
-/* This Structure is only used in tiering fixlayout */
-typedef struct gf_tier_fix_layout_arg {
- xlator_t *this;
- dict_t *fix_layout;
- pthread_t thread_id;
-} gf_tier_fix_layout_arg_t;
-
-typedef struct gf_tier_conf {
- int is_tier;
- int watermark_hi;
- int watermark_low;
- int watermark_last;
- unsigned long block_size;
- fsblkcnt_t blocks_total;
- fsblkcnt_t blocks_used;
- int percent_full;
- uint64_t max_migrate_bytes;
- int max_migrate_files;
- int query_limit;
- tier_mode_t mode;
- /* These flags are only used for tier-compact */
- gf_boolean_t compact_active;
- /* These 3 flags are set to true when the client changes the */
- /* compaction mode on the command line. */
- /* When they are set, the daemon will trigger compaction as */
- /* soon as possible to activate or deactivate compaction. */
- /* If in the middle of a compaction, then the switches take */
- /* effect on the next compaction, not the current one. */
- /* If the user switches it off, we want to avoid needless */
- /* compactions. */
- /* If the user switches it on, they want to compact as soon */
- /* as possible. */
- gf_boolean_t compact_mode_switched;
- gf_boolean_t compact_mode_switched_hot;
- gf_boolean_t compact_mode_switched_cold;
- int tier_max_promote_size;
- int tier_promote_frequency;
- int tier_demote_frequency;
- int tier_compact_hot_frequency;
- int tier_compact_cold_frequency;
- uint64_t st_last_promoted_size;
- uint64_t st_last_demoted_size;
- tier_pause_state_t pause_state;
- struct synctask *pause_synctask;
- gf_timer_t *pause_timer;
- pthread_mutex_t pause_mutex;
- int promote_in_progress;
- int demote_in_progress;
- /* This Structure is only used in tiering fixlayout */
- gf_tier_fix_layout_arg_t tier_fix_layout_arg;
- /* Indicates the index of the first queryfile picked
- * in the last cycle of promote or demote */
- int32_t last_promote_qfile_index;
- int32_t last_demote_qfile_index;
- char volname[GD_VOLUME_NAME_MAX + 1];
-} gf_tier_conf_t;
-
typedef struct nodeuuid_info {
- char info; /* Set to 1 is this is my node's uuid*/
- uuid_t uuid; /* Store the nodeuuid as well for debugging*/
+ char info; /* Set to 1 is this is my node's uuid*/
+ uuid_t uuid; /* Store the nodeuuid as well for debugging*/
} nodeuuid_info_t;
typedef struct subvol_nodeuuids_info {
- nodeuuid_info_t *elements;
- int count;
+ nodeuuid_info_t *elements;
+ int count;
} subvol_nodeuuids_info_t;
-
struct gf_defrag_info_ {
- uint64_t total_files;
- uint64_t total_data;
- uint64_t num_files_lookedup;
- uint64_t total_failures;
- uint64_t skipped;
- uint64_t num_dirs_processed;
- uint64_t size_processed;
- gf_lock_t lock;
- int cmd;
- pthread_t th;
- gf_defrag_status_t defrag_status;
- struct rpc_clnt *rpc;
- uint32_t connected;
- uint32_t is_exiting;
- pid_t pid;
- inode_t *root_inode;
- uuid_t node_uuid;
- struct timeval start_time;
- gf_boolean_t stats;
- uint32_t new_commit_hash;
- gf_defrag_pattern_list_t *defrag_pattern;
- gf_tier_conf_t tier_conf;
-
- /*Data Tiering params for scanner*/
- uint64_t total_files_promoted;
- uint64_t total_files_demoted;
- int write_freq_threshold;
- int read_freq_threshold;
-
- pthread_cond_t parallel_migration_cond;
- pthread_mutex_t dfq_mutex;
- pthread_cond_t rebalance_crawler_alarm;
- int32_t q_entry_count;
- int32_t global_error;
- struct dht_container *queue;
- int32_t crawl_done;
- int32_t abort;
- int32_t wakeup_crawler;
-
- /*Throttle params*/
- /*stands for reconfigured thread count*/
- int32_t recon_thread_count;
- /*stands for current running thread count*/
- int32_t current_thread_count;
- pthread_cond_t df_wakeup_thread;
-
- /* lock migration flag */
- gf_boolean_t lock_migration_enabled;
-
- /* backpointer to make it easier to write functions for rebalance */
- xlator_t *this;
-
- pthread_cond_t fc_wakeup_cond;
- pthread_mutex_t fc_mutex;
+ uint64_t total_files;
+ uint64_t total_data;
+ uint64_t num_files_lookedup;
+ uint64_t total_failures;
+ uint64_t skipped;
+ uint64_t num_dirs_processed;
+ uint64_t size_processed;
+ gf_lock_t lock;
+ pthread_t th;
+ struct rpc_clnt *rpc;
+ uint32_t connected;
+ uint32_t is_exiting;
+ pid_t pid;
+ int cmd;
+ inode_t *root_inode;
+ uuid_t node_uuid;
+ time_t start_time;
+ uint32_t new_commit_hash;
+ gf_defrag_status_t defrag_status;
+ gf_defrag_pattern_list_t *defrag_pattern;
+
+ pthread_cond_t parallel_migration_cond;
+ pthread_mutex_t dfq_mutex;
+ pthread_cond_t rebalance_crawler_alarm;
+ int32_t q_entry_count;
+ int32_t global_error;
+ struct dht_container *queue;
+ int32_t crawl_done;
+ int32_t abort;
+ int32_t wakeup_crawler;
+
+ /*Throttle params*/
+ /*stands for reconfigured thread count*/
+ int32_t recon_thread_count;
+ pthread_cond_t df_wakeup_thread;
+
+ /* backpointer to make it easier to write functions for rebalance */
+ xlator_t *this;
+
+ pthread_cond_t fc_wakeup_cond;
+ pthread_mutex_t fc_mutex;
+
+ /*stands for current running thread count*/
+ int32_t current_thread_count;
+
+ gf_boolean_t stats;
+ /* lock migration flag */
+ gf_boolean_t lock_migration_enabled;
};
typedef struct gf_defrag_info_ gf_defrag_info_t;
struct dht_methods_s {
- int32_t (*migration_get_dst_subvol)(xlator_t *this,
- dht_local_t *local);
- int32_t (*migration_other)(xlator_t *this,
- gf_defrag_info_t *defrag);
- int32_t (*migration_needed)(xlator_t *this);
- xlator_t* (*layout_search)(xlator_t *this,
- dht_layout_t *layout,
- const char *name);
+ int32_t (*migration_get_dst_subvol)(xlator_t *this, dht_local_t *local);
+ int32_t (*migration_other)(xlator_t *this, gf_defrag_info_t *defrag);
+ xlator_t *(*layout_search)(xlator_t *this, dht_layout_t *layout,
+ const char *name);
};
typedef struct dht_methods_s dht_methods_t;
struct dht_conf {
- gf_lock_t subvolume_lock;
- int subvolume_cnt;
- xlator_t **subvolumes;
- char *subvolume_status;
- int *last_event;
- dht_layout_t **file_layouts;
- dht_layout_t **dir_layouts;
- unsigned int search_unhashed;
- gf_boolean_t lookup_optimize;
- int gen;
- dht_du_t *du_stats;
- double min_free_disk;
- double min_free_inodes;
- char disk_unit;
- int32_t refresh_interval;
- gf_boolean_t unhashed_sticky_bit;
- struct timeval last_stat_fetch;
- gf_lock_t layout_lock;
- dict_t *leaf_to_subvol;
- void *private; /* Can be used by wrapper xlators over
- dht */
- gf_boolean_t use_readdirp;
- char vol_uuid[UUID_SIZE + 1];
- gf_boolean_t assert_no_child_down;
- time_t *subvol_up_time;
-
- /* This is the count used as the distribute layout for a directory */
- /* Will be a global flag to control the layout spread count */
- uint32_t dir_spread_cnt;
-
- /* to keep track of nodes which are decommissioned */
- xlator_t **decommissioned_bricks;
- int decommission_in_progress;
- int decommission_subvols_cnt;
-
- /* defrag related */
- gf_defrag_info_t *defrag;
-
- /* Request to filter directory entries in readdir request */
-
- gf_boolean_t readdir_optimize;
-
- /* Support regex-based name reinterpretation. */
- regex_t rsync_regex;
- gf_boolean_t rsync_regex_valid;
- regex_t extra_regex;
- gf_boolean_t extra_regex_valid;
-
- /* Support variable xattr names. */
- char *xattr_name;
- char *mds_xattr_key;
- char *link_xattr_name;
- char *commithash_xattr_name;
- char *wild_xattr_name;
-
- /* Support size-weighted rebalancing (heterogeneous bricks). */
- gf_boolean_t do_weighting;
- gf_boolean_t randomize_by_gfid;
- int dthrottle;
-
- dht_methods_t methods;
-
- struct mem_pool *lock_pool;
-
- /*local subvol storage for rebalance*/
- xlator_t **local_subvols;
- subvol_nodeuuids_info_t *local_nodeuuids;
- int32_t local_subvols_cnt;
-
- /*
- * "Commit hash" for this volume topology. Changed whenever bricks
- * are added or removed.
- */
- uint32_t vol_commit_hash;
- gf_boolean_t vch_forced;
-
- /* lock migration */
-
- gf_boolean_t lock_migration_enabled;
- gf_lock_t lock;
-
- /* Hard link handle requirement for migration triggered from client*/
- synclock_t link_lock;
-
- gf_boolean_t use_fallocate;
-
- gf_boolean_t force_migration;
+ xlator_t **subvolumes;
+ char *subvolume_status;
+ int *last_event;
+ dht_layout_t **file_layouts;
+ dht_layout_t **dir_layouts;
+ unsigned int search_unhashed;
+ int gen;
+ dht_du_t *du_stats;
+ double min_free_disk;
+ double min_free_inodes;
+ int subvolume_cnt;
+ int32_t refresh_interval;
+ gf_lock_t subvolume_lock;
+ time_t last_stat_fetch;
+ gf_lock_t layout_lock;
+ dict_t *leaf_to_subvol;
+ void *private; /* Can be used by wrapper xlators over
+ dht */
+ time_t *subvol_up_time;
+
+ /* to keep track of nodes which are decommissioned */
+ xlator_t **decommissioned_bricks;
+ int decommission_in_progress;
+ int decommission_subvols_cnt;
+
+ /* defrag related */
+ gf_defrag_info_t *defrag;
+
+ /* Support regex-based name reinterpretation. */
+ regex_t rsync_regex;
+ regex_t extra_regex;
+
+ /* Support variable xattr names. */
+ char *xattr_name;
+ char *mds_xattr_key;
+ char *link_xattr_name;
+ char *commithash_xattr_name;
+ char *wild_xattr_name;
+
+ dht_methods_t methods;
+
+ struct mem_pool *lock_pool;
+
+ /*local subvol storage for rebalance*/
+ xlator_t **local_subvols;
+ subvol_nodeuuids_info_t *local_nodeuuids;
+ int32_t local_subvols_cnt;
+
+ int dthrottle;
+
+ /* Hard link handle requirement for migration triggered from client*/
+ synclock_t link_lock;
+
+ /* lock migration */
+ gf_lock_t lock;
+
+ /* This is the count used as the distribute layout for a directory */
+ /* Will be a global flag to control the layout spread count */
+ uint32_t dir_spread_cnt;
+
+ /*
+ * "Commit hash" for this volume topology. Changed whenever bricks
+ * are added or removed.
+ */
+ uint32_t vol_commit_hash;
+
+ char vol_uuid[UUID_SIZE + 1];
+
+ char disk_unit;
+
+ gf_boolean_t lock_migration_enabled;
+
+ gf_boolean_t vch_forced;
+
+ gf_boolean_t use_fallocate;
+
+ gf_boolean_t force_migration;
+
+ gf_boolean_t lookup_optimize;
+
+ gf_boolean_t unhashed_sticky_bit;
+
+ gf_boolean_t assert_no_child_down;
+
+ gf_boolean_t use_readdirp;
+
+ /* Request to filter directory entries in readdir request */
+ gf_boolean_t readdir_optimize;
+
+ gf_boolean_t rsync_regex_valid;
+
+ gf_boolean_t extra_regex_valid;
+
+ /* Support size-weighted rebalancing (heterogeneous bricks). */
+ gf_boolean_t do_weighting;
+
+ gf_boolean_t randomize_by_gfid;
};
typedef struct dht_conf dht_conf_t;
struct dht_dfoffset_ctx {
- xlator_t *this;
- off_t offset;
- int32_t readdir_done;
+ xlator_t *this;
+ off_t offset;
+ int32_t readdir_done;
};
typedef struct dht_dfoffset_ctx dht_dfoffset_ctx_t;
struct dht_disk_layout {
- uint32_t cnt;
- uint32_t type;
- struct {
- uint32_t start;
- uint32_t stop;
- } list[1];
+ uint32_t cnt;
+ uint32_t type;
+ struct {
+ uint32_t start;
+ uint32_t stop;
+ } list[1];
};
typedef struct dht_disk_layout dht_disk_layout_t;
typedef enum {
- GF_DHT_MIGRATE_DATA,
- GF_DHT_MIGRATE_DATA_EVEN_IF_LINK_EXISTS,
- GF_DHT_MIGRATE_HARDLINK,
- GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS
+ GF_DHT_MIGRATE_DATA,
+ GF_DHT_MIGRATE_DATA_EVEN_IF_LINK_EXISTS,
+ GF_DHT_MIGRATE_HARDLINK,
+ GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS
} gf_dht_migrate_data_type_t;
typedef enum {
- GF_DHT_EQUAL_DISTRIBUTION,
- GF_DHT_WEIGHTED_DISTRIBUTION
+ GF_DHT_EQUAL_DISTRIBUTION,
+ GF_DHT_WEIGHTED_DISTRIBUTION
} dht_distribution_type_t;
struct dir_dfmeta {
- gf_dirent_t *equeue;
- dht_dfoffset_ctx_t *offset_var;
- struct list_head **head;
- struct list_head **iterator;
- int *fetch_entries;
+ gf_dirent_t *equeue;
+ dht_dfoffset_ctx_t *offset_var;
+ struct list_head **head;
+ struct list_head **iterator;
+ int *fetch_entries;
+ /* fds corresponding to local subvols only */
+ fd_t **lfd;
};
typedef struct dht_migrate_info {
- xlator_t *src_subvol;
- xlator_t *dst_subvol;
- GF_REF_DECL;
+ xlator_t *src_subvol;
+ xlator_t *dst_subvol;
+ GF_REF_DECL;
} dht_migrate_info_t;
-
-
typedef struct dht_fd_ctx {
- uint64_t opened_on_dst;
- GF_REF_DECL;
+ uint64_t opened_on_dst;
+ GF_REF_DECL;
} dht_fd_ctx_t;
-
#define ENTRY_MISSING(op_ret, op_errno) (op_ret == -1 && op_errno == ENOENT)
-#define is_revalidate(loc) (dht_inode_ctx_layout_get ((loc)->inode, this, NULL) == 0)
+#define is_revalidate(loc) \
+ (dht_inode_ctx_layout_get((loc)->inode, this, NULL) == 0)
#define is_last_call(cnt) (cnt == 0)
#define DHT_MIGRATION_IN_PROGRESS 1
-#define DHT_MIGRATION_COMPLETED 2
+#define DHT_MIGRATION_COMPLETED 2
-#define check_is_linkfile(i,s,x,n) (IS_DHT_LINKFILE_MODE (s) && dict_get (x, n))
+#define check_is_linkfile(i, s, x, n) \
+ (IS_DHT_LINKFILE_MODE(s) && dict_get(x, n))
-#define IS_DHT_MIGRATION_PHASE2(buf) ( \
- IA_ISREG ((buf)->ia_type) && \
- ((st_mode_from_ia ((buf)->ia_prot, (buf)->ia_type) & \
- ~S_IFMT) == DHT_LINKFILE_MODE))
+#define IS_DHT_MIGRATION_PHASE2(buf) \
+ (IA_ISREG((buf)->ia_type) && \
+ ((st_mode_from_ia((buf)->ia_prot, (buf)->ia_type) & ~S_IFMT) == \
+ DHT_LINKFILE_MODE))
-#define IS_DHT_MIGRATION_PHASE1(buf) ( \
- IA_ISREG ((buf)->ia_type) && \
- ((buf)->ia_prot.sticky == 1) && \
- ((buf)->ia_prot.sgid == 1))
+#define IS_DHT_MIGRATION_PHASE1(buf) \
+ (IA_ISREG((buf)->ia_type) && ((buf)->ia_prot.sticky == 1) && \
+ ((buf)->ia_prot.sgid == 1))
-#define DHT_STRIP_PHASE1_FLAGS(buf) do { \
- if ((buf) && IS_DHT_MIGRATION_PHASE1(buf)) { \
- (buf)->ia_prot.sticky = 0; \
- (buf)->ia_prot.sgid = 0; \
- } \
- } while (0)
+#define DHT_STRIP_PHASE1_FLAGS(buf) \
+ do { \
+ if ((buf) && IS_DHT_MIGRATION_PHASE1(buf)) { \
+ (buf)->ia_prot.sticky = 0; \
+ (buf)->ia_prot.sgid = 0; \
+ } \
+ } while (0)
#define dht_inode_missing(op_errno) (op_errno == ENOENT || op_errno == ESTALE)
-#define check_is_dir(i,s,x) (IA_ISDIR(s->ia_type))
+#define check_is_dir(i, s, x) (IA_ISDIR(s->ia_type))
#define layout_is_sane(layout) ((layout) && (layout->cnt > 0))
-#define we_are_not_migrating(x) ((x) == 1)
-
-#define DHT_STACK_UNWIND(fop, frame, params ...) do { \
- dht_local_t *__local = NULL; \
- xlator_t *__xl = NULL; \
- if (frame) { \
- __xl = frame->this; \
- __local = frame->local; \
- frame->local = NULL; \
- } \
- STACK_UNWIND_STRICT (fop, frame, params); \
- dht_local_wipe (__xl, __local); \
- } while (0)
-
-#define DHT_STACK_DESTROY(frame) do { \
- dht_local_t *__local = NULL; \
- xlator_t *__xl = NULL; \
- __xl = frame->this; \
- __local = frame->local; \
- frame->local = NULL; \
- STACK_DESTROY (frame->root); \
- dht_local_wipe (__xl, __local); \
- } while (0)
-
-#define DHT_UPDATE_TIME(ctx_sec, ctx_nsec, new_sec, new_nsec, inode, post) do {\
- LOCK (&inode->lock); \
- { \
- if (ctx_sec == new_sec) \
- new_nsec = max (new_nsec, ctx_nsec); \
- else if (ctx_sec > new_sec) { \
- new_sec = ctx_sec; \
- new_nsec = ctx_nsec; \
- } \
- if (post) { \
- ctx_sec = new_sec; \
- ctx_nsec = new_nsec; \
- } \
- } \
- UNLOCK (&inode->lock); \
- } while (0)
-
-#define is_greater_time(a, an, b, bn) (((a) < (b)) || (((a) == (b)) && ((an) < (bn))))
-
-#define DHT_MARK_FOP_INTERNAL(xattr) do { \
- int tmp = -1; \
- if (!xattr) { \
- xattr = dict_new (); \
- if (!xattr) \
- break; \
- } \
- tmp = dict_set_str (xattr, GLUSTERFS_INTERNAL_FOP_KEY, "yes"); \
- if (tmp) { \
- gf_msg (this->name, GF_LOG_ERROR, 0, \
- DHT_MSG_DICT_SET_FAILED, \
- "Failed to set dictionary value: key = %s," \
- " path = %s", GLUSTERFS_INTERNAL_FOP_KEY, \
- local->loc.path); \
- } \
- } while (0)
-
-dht_layout_t *dht_layout_new (xlator_t *this, int cnt);
-dht_layout_t *dht_layout_get (xlator_t *this, inode_t *inode);
-dht_layout_t *dht_layout_for_subvol (xlator_t *this, xlator_t *subvol);
-xlator_t *dht_layout_search (xlator_t *this, dht_layout_t *layout,
- const char *name);
+#define we_are_not_migrating(x) ((x) == 1)
+
+#define DHT_STACK_UNWIND(fop, frame, params...) \
+ do { \
+ dht_local_t *__local = NULL; \
+ xlator_t *__xl = NULL; \
+ if (frame) { \
+ __xl = frame->this; \
+ __local = frame->local; \
+ frame->local = NULL; \
+ } \
+ STACK_UNWIND_STRICT(fop, frame, params); \
+ dht_local_wipe(__xl, __local); \
+ } while (0)
+
+#define DHT_STACK_DESTROY(frame) \
+ do { \
+ dht_local_t *__local = NULL; \
+ xlator_t *__xl = NULL; \
+ __xl = frame->this; \
+ __local = frame->local; \
+ frame->local = NULL; \
+ STACK_DESTROY(frame->root); \
+ dht_local_wipe(__xl, __local); \
+ } while (0)
+
+#define DHT_UPDATE_TIME(ctx_sec, ctx_nsec, new_sec, new_nsec, post) \
+ do { \
+ if (ctx_sec == new_sec) \
+ new_nsec = max(new_nsec, ctx_nsec); \
+ else if (ctx_sec > new_sec) { \
+ new_sec = ctx_sec; \
+ new_nsec = ctx_nsec; \
+ } \
+ if (post) { \
+ ctx_sec = new_sec; \
+ ctx_nsec = new_nsec; \
+ } \
+ } while (0)
+
+#define is_greater_time(a, an, b, bn) \
+ (((a) < (b)) || (((a) == (b)) && ((an) < (bn))))
+
+#define DHT_MARK_FOP_INTERNAL(xattr) \
+ do { \
+ int tmp = -1; \
+ if (!xattr) { \
+ xattr = dict_new(); \
+ if (!xattr) \
+ break; \
+ } \
+ tmp = dict_set_str(xattr, GLUSTERFS_INTERNAL_FOP_KEY, "yes"); \
+ if (tmp) { \
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED, \
+ "Failed to set dictionary value: key = %s," \
+ " path = %s", \
+ GLUSTERFS_INTERNAL_FOP_KEY, local->loc.path); \
+ } \
+ } while (0)
+
+dht_layout_t *
+dht_layout_new(xlator_t *this, int cnt);
+dht_layout_t *
+dht_layout_get(xlator_t *this, inode_t *inode);
+dht_layout_t *
+dht_layout_for_subvol(xlator_t *this, xlator_t *subvol);
+xlator_t *
+dht_layout_search(xlator_t *this, dht_layout_t *layout, const char *name);
int32_t
-dht_migration_get_dst_subvol(xlator_t *this, dht_local_t *local);
+dht_migration_get_dst_subvol(xlator_t *this, dht_local_t *local);
int32_t
dht_migration_needed(xlator_t *this);
-int dht_layout_normalize (xlator_t *this, loc_t *loc, dht_layout_t *layout);
-int dht_layout_anomalies (xlator_t *this, loc_t *loc, dht_layout_t *layout,
- uint32_t *holes_p, uint32_t *overlaps_p,
- uint32_t *missing_p, uint32_t *down_p,
- uint32_t *misc_p, uint32_t *no_space_p);
-int dht_layout_dir_mismatch (xlator_t *this, dht_layout_t *layout,
- xlator_t *subvol, loc_t *loc, dict_t *xattr);
-
-xlator_t *dht_linkfile_subvol (xlator_t *this, inode_t *inode,
- struct iatt *buf, dict_t *xattr);
-int dht_linkfile_unlink (call_frame_t *frame, xlator_t *this,
- xlator_t *subvol, loc_t *loc);
-
-int dht_layouts_init (xlator_t *this, dht_conf_t *conf);
-int dht_layout_merge (xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
- int op_ret, int op_errno, dict_t *xattr);
-
-int dht_disk_layout_extract (xlator_t *this, dht_layout_t *layout,
- int pos, int32_t **disk_layout_p);
-int dht_disk_layout_merge (xlator_t *this, dht_layout_t *layout,
- int pos, void *disk_layout_raw, int disk_layout_len);
int
-dht_disk_layout_extract_for_subvol (xlator_t *this, dht_layout_t *layout,
- xlator_t *subvol, int32_t **disk_layout_p);
+dht_layout_normalize(xlator_t *this, loc_t *loc, dht_layout_t *layout);
+void
+dht_layout_anomalies(xlator_t *this, loc_t *loc, dht_layout_t *layout,
+ uint32_t *holes_p, uint32_t *overlaps_p,
+ uint32_t *missing_p, uint32_t *down_p, uint32_t *misc_p,
+ uint32_t *no_space_p);
+int
+dht_layout_dir_mismatch(xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
+ loc_t *loc, dict_t *xattr);
+xlator_t *
+dht_linkfile_subvol(xlator_t *this, inode_t *inode, struct iatt *buf,
+ dict_t *xattr);
+int
+dht_linkfile_unlink(call_frame_t *frame, xlator_t *this, xlator_t *subvol,
+ loc_t *loc);
-int dht_frame_return (call_frame_t *frame);
+int
+dht_layouts_init(xlator_t *this, dht_conf_t *conf);
+int
+dht_layout_merge(xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
+ int op_ret, int op_errno, dict_t *xattr);
-int dht_deitransform (xlator_t *this, uint64_t y, xlator_t **subvol);
+int
+dht_disk_layout_extract(xlator_t *this, dht_layout_t *layout, int pos,
+ int32_t **disk_layout_p);
+int
+dht_disk_layout_extract_for_subvol(xlator_t *this, dht_layout_t *layout,
+ xlator_t *subvol, int32_t **disk_layout_p);
-void dht_local_wipe (xlator_t *this, dht_local_t *local);
-dht_local_t *dht_local_init (call_frame_t *frame, loc_t *loc, fd_t *fd,
- glusterfs_fop_t fop);
-int dht_iatt_merge (xlator_t *this, struct iatt *to, struct iatt *from);
+int
+dht_frame_return(call_frame_t *frame);
-xlator_t *dht_subvol_get_hashed (xlator_t *this, loc_t *loc);
-xlator_t *dht_subvol_get_cached (xlator_t *this, inode_t *inode);
-xlator_t *dht_subvol_next (xlator_t *this, xlator_t *prev);
-xlator_t *dht_subvol_next_available (xlator_t *this, xlator_t *prev);
-int dht_subvol_cnt (xlator_t *this, xlator_t *subvol);
+int
+dht_deitransform(xlator_t *this, uint64_t y, xlator_t **subvol);
-int dht_hash_compute (xlator_t *this, int type, const char *name, uint32_t *hash_p);
+void
+dht_local_wipe(xlator_t *this, dht_local_t *local);
+dht_local_t *
+dht_local_init(call_frame_t *frame, loc_t *loc, fd_t *fd, glusterfs_fop_t fop);
+int
+dht_iatt_merge(xlator_t *this, struct iatt *to, struct iatt *from);
-int dht_linkfile_create (call_frame_t *frame, fop_mknod_cbk_t linkfile_cbk,
- xlator_t *this, xlator_t *tovol,
- xlator_t *fromvol, loc_t *loc);
-int dht_lookup_directory (call_frame_t *frame, xlator_t *this, loc_t *loc);
-int dht_lookup_everywhere (call_frame_t *frame, xlator_t *this, loc_t *loc);
+xlator_t *
+dht_subvol_get_hashed(xlator_t *this, loc_t *loc);
+xlator_t *
+dht_subvol_get_cached(xlator_t *this, inode_t *inode);
+xlator_t *
+dht_subvol_next(xlator_t *this, xlator_t *prev);
+xlator_t *
+dht_subvol_next_available(xlator_t *this, xlator_t *prev);
int
-dht_selfheal_directory (call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
- loc_t *loc, dht_layout_t *layout);
+dht_subvol_cnt(xlator_t *this, xlator_t *subvol);
int
-dht_selfheal_directory_for_nameless_lookup (call_frame_t *frame,
- dht_selfheal_dir_cbk_t cbk,
- loc_t *loc, dht_layout_t *layout);
+dht_hash_compute(xlator_t *this, int type, const char *name, uint32_t *hash_p);
int
-dht_selfheal_new_directory (call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
- dht_layout_t *layout);
+dht_linkfile_create(call_frame_t *frame, fop_mknod_cbk_t linkfile_cbk,
+ xlator_t *this, xlator_t *tovol, xlator_t *fromvol,
+ loc_t *loc);
+int
+dht_lookup_everywhere(call_frame_t *frame, xlator_t *this, loc_t *loc);
int
-dht_selfheal_restore (call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
- loc_t *loc, dht_layout_t *layout);
+dht_selfheal_directory(call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
+ loc_t *loc, dht_layout_t *layout);
int
-dht_layout_sort_volname (dht_layout_t *layout);
+dht_selfheal_new_directory(call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
+ dht_layout_t *layout);
+int
+dht_selfheal_restore(call_frame_t *frame, dht_selfheal_dir_cbk_t cbk,
+ loc_t *loc, dht_layout_t *layout);
+void
+dht_layout_sort_volname(dht_layout_t *layout);
-int dht_get_du_info (call_frame_t *frame, xlator_t *this, loc_t *loc);
+int
+dht_get_du_info(call_frame_t *frame, xlator_t *this, loc_t *loc);
-gf_boolean_t dht_is_subvol_filled (xlator_t *this, xlator_t *subvol);
-xlator_t *dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol,
- dht_local_t *layout);
-int dht_get_du_info_for_subvol (xlator_t *this, int subvol_idx);
+gf_boolean_t
+dht_is_subvol_filled(xlator_t *this, xlator_t *subvol);
+xlator_t *
+dht_free_disk_available_subvol(xlator_t *this, xlator_t *subvol,
+ dht_local_t *layout);
+int
+dht_get_du_info_for_subvol(xlator_t *this, int subvol_idx);
-int dht_layout_preset (xlator_t *this, xlator_t *subvol, inode_t *inode);
-int dht_layout_index_for_subvol (dht_layout_t *layout, xlator_t *subvol);
-int dht_layout_set (xlator_t *this, inode_t *inode, dht_layout_t *layout);;
-void dht_layout_unref (xlator_t *this, dht_layout_t *layout);
-dht_layout_t *dht_layout_ref (xlator_t *this, dht_layout_t *layout);
-xlator_t *dht_first_up_subvol (xlator_t *this);
-xlator_t *dht_last_up_subvol (xlator_t *this);
+int
+dht_layout_preset(xlator_t *this, xlator_t *subvol, inode_t *inode);
+int
+dht_layout_set(xlator_t *this, inode_t *inode, dht_layout_t *layout);
+;
+void
+dht_layout_unref(xlator_t *this, dht_layout_t *layout);
+dht_layout_t *
+dht_layout_ref(xlator_t *this, dht_layout_t *layout);
+int
+dht_layout_index_for_subvol(dht_layout_t *layout, xlator_t *subvol);
+xlator_t *
+dht_first_up_subvol(xlator_t *this);
+xlator_t *
+dht_last_up_subvol(xlator_t *this);
-int dht_build_child_loc (xlator_t *this, loc_t *child, loc_t *parent, char *name);
+int
+dht_build_child_loc(xlator_t *this, loc_t *child, loc_t *parent, char *name);
-int dht_filter_loc_subvol_key (xlator_t *this, loc_t *loc, loc_t *new_loc,
- xlator_t **subvol);
+int
+dht_filter_loc_subvol_key(xlator_t *this, loc_t *loc, loc_t *new_loc,
+ xlator_t **subvol);
-int dht_rename_cleanup (call_frame_t *frame);
-int dht_rename_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata);
+int
+dht_rename_cleanup(call_frame_t *frame);
+int
+dht_rename_link_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata);
-int dht_update_commit_hash_for_layout (call_frame_t *frame);
-int dht_fix_directory_layout (call_frame_t *frame,
- dht_selfheal_dir_cbk_t dir_cbk,
- dht_layout_t *layout);
+int
+dht_update_commit_hash_for_layout(call_frame_t *frame);
+int
+dht_fix_directory_layout(call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk,
+ dht_layout_t *layout);
-int dht_init_subvolumes (xlator_t *this, dht_conf_t *conf);
+int
+dht_init_subvolumes(xlator_t *this, dht_conf_t *conf);
/* migration/rebalance */
-int dht_start_rebalance_task (xlator_t *this, call_frame_t *frame);
+int
+dht_start_rebalance_task(xlator_t *this, call_frame_t *frame);
-int dht_rebalance_in_progress_check (xlator_t *this, call_frame_t *frame);
-int dht_rebalance_complete_check (xlator_t *this, call_frame_t *frame);
+int
+dht_rebalance_in_progress_check(xlator_t *this, call_frame_t *frame);
+int
+dht_rebalance_complete_check(xlator_t *this, call_frame_t *frame);
int
-dht_init_local_subvolumes (xlator_t *this, dht_conf_t *conf);
+dht_init_local_subvolumes(xlator_t *this, dht_conf_t *conf);
/* FOPS */
-int32_t dht_lookup (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- dict_t *xattr_req);
-
-int32_t dht_stat (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc, dict_t *xdata);
-
-int32_t dht_fstat (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd, dict_t *xdata);
-
-int32_t dht_truncate (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- off_t offset, dict_t *xdata);
-
-int32_t dht_ftruncate (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- off_t offset, dict_t *xdata);
-
-int32_t dht_access (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- int32_t mask, dict_t *xdata);
-
-int32_t dht_readlink (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- size_t size, dict_t *xdata);
-
-int32_t dht_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc,
- mode_t mode, dev_t rdev, mode_t umask, dict_t *xdata);
-
-int32_t dht_mkdir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, mode_t mode, mode_t umask, dict_t *xdata);
-
-int32_t dht_unlink (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc, int xflag, dict_t *xdata);
-
-int32_t dht_rmdir (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int flags, dict_t *xdata);
-
-int32_t dht_symlink (call_frame_t *frame, xlator_t *this,
- const char *linkpath, loc_t *loc, mode_t umask,
- dict_t *xdata);
-
-int32_t dht_rename (call_frame_t *frame,
- xlator_t *this,
- loc_t *oldloc,
- loc_t *newloc, dict_t *xdata);
-
-int32_t dht_link (call_frame_t *frame,
- xlator_t *this,
- loc_t *oldloc,
- loc_t *newloc, dict_t *xdata);
-
-int32_t dht_create (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int32_t flags, mode_t mode,
- mode_t umask, fd_t *fd, dict_t *params);
-
-int32_t dht_open (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- int32_t flags, fd_t *fd, dict_t *xdata);
-
-int32_t dht_readv (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- size_t size,
- off_t offset, uint32_t flags, dict_t *xdata);
-
-int32_t dht_writev (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- struct iovec *vector,
- int32_t count,
- off_t offset,
- uint32_t flags,
- struct iobref *iobref, dict_t *xdata);
-
-int32_t dht_flush (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd, dict_t *xdata);
-
-int32_t dht_fsync (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- int32_t datasync, dict_t *xdata);
-
-int32_t dht_opendir (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc, fd_t *fd, dict_t *xdata);
-
-int32_t dht_fsyncdir (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- int32_t datasync, dict_t *xdata);
-
-int32_t dht_statfs (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc, dict_t *xdata);
-
-int32_t dht_setxattr (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- dict_t *dict,
- int32_t flags, dict_t *xdata);
-
-int32_t dht_getxattr (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- const char *name, dict_t *xdata);
-
-int32_t dht_fsetxattr (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- dict_t *dict,
- int32_t flags, dict_t *xdata);
-
-int32_t dht_fgetxattr (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- const char *name, dict_t *xdata);
-
-int32_t dht_removexattr (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- const char *name, dict_t *xdata);
-int32_t dht_fremovexattr (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- const char *name, dict_t *xdata);
-
-int32_t dht_lk (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- int32_t cmd,
- struct gf_flock *flock, dict_t *xdata);
-
-int32_t dht_lease (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- struct gf_lease *lease, dict_t *xdata);
-
-int32_t dht_inodelk (call_frame_t *frame, xlator_t *this,
- const char *volume, loc_t *loc, int32_t cmd,
- struct gf_flock *flock, dict_t *xdata);
-
-int32_t dht_finodelk (call_frame_t *frame, xlator_t *this,
- const char *volume, fd_t *fd, int32_t cmd,
- struct gf_flock *flock, dict_t *xdata);
-
-int32_t dht_entrylk (call_frame_t *frame, xlator_t *this,
- const char *volume, loc_t *loc, const char *basename,
- entrylk_cmd cmd, entrylk_type type, dict_t *xdata);
-
-int32_t dht_fentrylk (call_frame_t *frame, xlator_t *this,
- const char *volume, fd_t *fd, const char *basename,
- entrylk_cmd cmd, entrylk_type type, dict_t *xdata);
-
-int32_t dht_readdir (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- size_t size, off_t off, dict_t *xdata);
-
-int32_t dht_readdirp (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- size_t size, off_t off, dict_t *dict);
-
-int32_t dht_xattrop (call_frame_t *frame,
- xlator_t *this,
- loc_t *loc,
- gf_xattrop_flags_t flags,
- dict_t *dict, dict_t *xdata);
-
-int32_t dht_fxattrop (call_frame_t *frame,
- xlator_t *this,
- fd_t *fd,
- gf_xattrop_flags_t flags,
- dict_t *dict, dict_t *xdata);
-
-int32_t dht_forget (xlator_t *this, inode_t *inode);
-int32_t dht_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
- struct iatt *stbuf, int32_t valid, dict_t *xdata);
-int32_t dht_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iatt *stbuf, int32_t valid, dict_t *xdata);
-int32_t dht_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd,
- int32_t mode, off_t offset, size_t len, dict_t *xdata);
-int32_t dht_discard(call_frame_t *frame, xlator_t *this, fd_t *fd,
- off_t offset, size_t len, dict_t *xdata);
-int32_t dht_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd,
- off_t offset, off_t len, dict_t *xdata);
-int32_t dht_ipc (call_frame_t *frame, xlator_t *this, int32_t op,
- dict_t *xdata);
+int32_t
+dht_lookup(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req);
+
+int32_t
+dht_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata);
+
+int32_t
+dht_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata);
+
+int32_t
+dht_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
+ dict_t *xdata);
+
+int32_t
+dht_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ dict_t *xdata);
+
+int32_t
+dht_access(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask,
+ dict_t *xdata);
+
+int32_t
+dht_readlink(call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size,
+ dict_t *xdata);
+
+int32_t
+dht_mknod(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ dev_t rdev, mode_t umask, dict_t *xdata);
+
+int32_t
+dht_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata);
+
+int32_t
+dht_unlink(call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag,
+ dict_t *xdata);
+
+int32_t
+dht_rmdir(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ dict_t *xdata);
+
+int32_t
+dht_symlink(call_frame_t *frame, xlator_t *this, const char *linkpath,
+ loc_t *loc, mode_t umask, dict_t *xdata);
+
+int32_t
+dht_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata);
+
+int32_t
+dht_link(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata);
+
+int32_t
+dht_create(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ mode_t mode, mode_t umask, fd_t *fd, dict_t *params);
+
+int32_t
+dht_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
+ fd_t *fd, dict_t *xdata);
+
+int32_t
+dht_readv(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata);
+
+int32_t
+dht_writev(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
+ int32_t count, off_t offset, uint32_t flags, struct iobref *iobref,
+ dict_t *xdata);
+
+int32_t
+dht_flush(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata);
+
+int32_t
+dht_fsync(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
+ dict_t *xdata);
+
+int32_t
+dht_opendir(call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd,
+ dict_t *xdata);
+
+int32_t
+dht_fsyncdir(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync,
+ dict_t *xdata);
+
+int32_t
+dht_statfs(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata);
+
+int32_t
+dht_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,
+ int32_t flags, dict_t *xdata);
+
+int32_t
+dht_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, const char *name,
+ dict_t *xdata);
+
+int32_t
+dht_fsetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
+ int32_t flags, dict_t *xdata);
+
+int32_t
+dht_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *name,
+ dict_t *xdata);
+
+int32_t
+dht_removexattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name, dict_t *xdata);
+int32_t
+dht_fremovexattr(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ const char *name, dict_t *xdata);
+
+int32_t
+dht_lk(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd,
+ struct gf_flock *flock, dict_t *xdata);
+
+int32_t
+dht_lease(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ struct gf_lease *lease, dict_t *xdata);
+
+int32_t
+dht_inodelk(call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc,
+ int32_t cmd, struct gf_flock *flock, dict_t *xdata);
+
+int32_t
+dht_finodelk(call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
+ int32_t cmd, struct gf_flock *flock, dict_t *xdata);
+
+int32_t
+dht_entrylk(call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc,
+ const char *basename, entrylk_cmd cmd, entrylk_type type,
+ dict_t *xdata);
+
+int32_t
+dht_fentrylk(call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
+ const char *basename, entrylk_cmd cmd, entrylk_type type,
+ dict_t *xdata);
+
+int32_t
+dht_readdir(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t off, dict_t *xdata);
+
+int32_t
+dht_readdirp(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t off, dict_t *dict);
+
+int32_t
+dht_xattrop(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata);
+
+int32_t
+dht_fxattrop(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata);
+
+int32_t
+dht_forget(xlator_t *this, inode_t *inode);
+int32_t
+dht_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *stbuf,
+ int32_t valid, dict_t *xdata);
+int32_t
+dht_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *stbuf,
+ int32_t valid, dict_t *xdata);
+int32_t
+dht_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
+ off_t offset, size_t len, dict_t *xdata);
+int32_t
+dht_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata);
+int32_t
+dht_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ off_t len, dict_t *xdata);
+int32_t
+dht_ipc(call_frame_t *frame, xlator_t *this, int32_t op, dict_t *xdata);
int
dht_set_subvol_range(xlator_t *this);
-int32_t dht_init (xlator_t *this);
-void dht_fini (xlator_t *this);
-int dht_reconfigure (xlator_t *this, dict_t *options);
-int32_t dht_notify (xlator_t *this, int32_t event, void *data, ...);
+int32_t
+dht_init(xlator_t *this);
+void
+dht_fini(xlator_t *this);
+int
+dht_reconfigure(xlator_t *this, dict_t *options);
+int32_t
+dht_notify(xlator_t *this, int32_t event, void *data, ...);
/* definitions for nufa/switch */
-int dht_revalidate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode,
- struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent);
-int dht_lookup_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+int
+dht_revalidate_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode, struct iatt *stbuf,
+ dict_t *xattr, struct iatt *postparent);
+int
+dht_lookup_dir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode, struct iatt *stbuf,
+ dict_t *xattr, struct iatt *postparent);
+int
+dht_lookup_linkfile_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int op_ret, int op_errno, inode_t *inode,
struct iatt *stbuf, dict_t *xattr,
struct iatt *postparent);
-int dht_lookup_linkfile_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent);
-int dht_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent);
-int dht_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- fd_t *fd, inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata);
-int dht_newfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata);
-
-int
-gf_defrag_status_get (dht_conf_t *conf, dict_t *dict);
-
-void
-gf_defrag_set_pause_state (gf_tier_conf_t *tier_conf, tier_pause_state_t state);
-
-tier_pause_state_t
-gf_defrag_get_pause_state (gf_tier_conf_t *tier_conf);
-
int
-gf_defrag_pause_tier (xlator_t *this, gf_defrag_info_t *defrag);
+dht_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf, dict_t *xattr,
+ struct iatt *postparent);
+int
+dht_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, fd_t *fd, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata);
+int
+dht_newfile_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, inode_t *inode, struct iatt *stbuf,
+ struct iatt *preparent, struct iatt *postparent, dict_t *xdata);
-tier_pause_state_t
-gf_defrag_check_pause_tier (gf_tier_conf_t *defrag);
+int
+dht_finodelk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata);
int
-gf_defrag_resume_tier (xlator_t *this, gf_defrag_info_t *defrag);
+dht_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xattr, dict_t *xdata);
int
-gf_defrag_start_detach_tier (gf_defrag_info_t *defrag);
+dht_common_xattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata);
+int
+gf_defrag_status_get(dht_conf_t *conf, dict_t *dict);
int
-gf_defrag_stop (dht_conf_t *conf, gf_defrag_status_t status,
- dict_t *output);
+gf_defrag_stop(dht_conf_t *conf, gf_defrag_status_t status, dict_t *output);
-void*
-gf_defrag_start (void *this);
+void *
+gf_defrag_start(void *this);
int32_t
-gf_defrag_handle_hardlink (xlator_t *this, loc_t *loc, int *fop_errno);
+gf_defrag_handle_hardlink(xlator_t *this, loc_t *loc, int *fop_errno);
int
-dht_migrate_file (xlator_t *this, loc_t *loc, xlator_t *from, xlator_t *to,
+dht_migrate_file(xlator_t *this, loc_t *loc, xlator_t *from, xlator_t *to,
int flag, int *fop_errno);
int
-dht_inode_ctx_layout_get (inode_t *inode, xlator_t *this,
- dht_layout_t **layout_int);
+dht_inode_ctx_layout_get(inode_t *inode, xlator_t *this,
+ dht_layout_t **layout_int);
int
-dht_inode_ctx_layout_set (inode_t *inode, xlator_t *this,
- dht_layout_t* layout_int);
+dht_inode_ctx_layout_set(inode_t *inode, xlator_t *this,
+ dht_layout_t *layout_int);
int
-dht_inode_ctx_time_update (inode_t *inode, xlator_t *this, struct iatt *stat,
- int32_t update_ctx);
-void dht_inode_ctx_time_set (inode_t *inode, xlator_t *this, struct iatt *stat);
+dht_inode_ctx_time_update(inode_t *inode, xlator_t *this, struct iatt *stat,
+ int32_t update_ctx);
+void
+dht_inode_ctx_time_set(inode_t *inode, xlator_t *this, struct iatt *stat);
-int dht_inode_ctx_get (inode_t *inode, xlator_t *this, dht_inode_ctx_t **ctx);
-int dht_inode_ctx_set (inode_t *inode, xlator_t *this, dht_inode_ctx_t *ctx);
int
-dht_dir_attr_heal (void *data);
+dht_inode_ctx_get(inode_t *inode, xlator_t *this, dht_inode_ctx_t **ctx);
int
-dht_dir_attr_heal_done (int ret, call_frame_t *sync_frame, void *data);
+dht_inode_ctx_set(inode_t *inode, xlator_t *this, dht_inode_ctx_t *ctx);
int
-dht_dir_has_layout (dict_t *xattr, char *name);
-gf_boolean_t
-dht_is_subvol_in_layout (dht_layout_t *layout, xlator_t *xlator);
+dht_dir_attr_heal(void *data);
+int
+dht_dir_attr_heal_done(int ret, call_frame_t *sync_frame, void *data);
xlator_t *
-dht_subvol_with_free_space_inodes (xlator_t *this, xlator_t *subvol, xlator_t *ignore,
- dht_layout_t *layout, uint64_t filesize);
+dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol,
+ xlator_t *ignore, dht_layout_t *layout,
+ uint64_t filesize);
xlator_t *
-dht_subvol_maxspace_nonzeroinode (xlator_t *this, xlator_t *subvol,
- dht_layout_t *layout);
+dht_subvol_maxspace_nonzeroinode(xlator_t *this, xlator_t *subvol,
+ dht_layout_t *layout);
int
-dht_linkfile_attr_heal (call_frame_t *frame, xlator_t *this);
+dht_dir_has_layout(dict_t *xattr, char *name);
+int
+dht_linkfile_attr_heal(call_frame_t *frame, xlator_t *this);
-void
-dht_layout_dump (dht_layout_t *layout, const char *prefix);
int32_t
-dht_priv_dump (xlator_t *this);
+dht_priv_dump(xlator_t *this);
int32_t
-dht_inodectx_dump (xlator_t *this, inode_t *inode);
+dht_inodectx_dump(xlator_t *this, inode_t *inode);
-int
-dht_inode_ctx_get_mig_info (xlator_t *this, inode_t *inode,
- xlator_t **src_subvol, xlator_t **dst_subvol);
gf_boolean_t
-dht_mig_info_is_invalid (xlator_t *current, xlator_t *src_subvol,
- xlator_t *dst_subvol);
+dht_is_subvol_in_layout(dht_layout_t *layout, xlator_t *xlator);
int
-dht_subvol_status (dht_conf_t *conf, xlator_t *subvol);
+dht_inode_ctx_get_mig_info(xlator_t *this, inode_t *inode,
+ xlator_t **src_subvol, xlator_t **dst_subvol);
+gf_boolean_t
+dht_mig_info_is_invalid(xlator_t *current, xlator_t *src_subvol,
+ xlator_t *dst_subvol);
-void
-dht_log_new_layout_for_dir_selfheal (xlator_t *this, loc_t *loc,
- dht_layout_t *layout);
int
-dht_lookup_everywhere_done (call_frame_t *frame, xlator_t *this);
+dht_subvol_status(dht_conf_t *conf, xlator_t *subvol);
-int
-dht_fill_dict_to_avoid_unlink_of_migrating_file (dict_t *dict);
+void
+dht_log_new_layout_for_dir_selfheal(xlator_t *this, loc_t *loc,
+ dht_layout_t *layout);
int
-dht_layout_sort (dht_layout_t *layout);
+dht_layout_sort(dht_layout_t *layout);
int
-dht_heal_full_path (void *data);
+dht_heal_full_path(void *data);
int
-dht_heal_full_path_done (int op_ret, call_frame_t *frame, void *data);
+dht_heal_full_path_done(int op_ret, call_frame_t *frame, void *data);
int
-dht_layout_missing_dirs (dht_layout_t *layout);
+dht_layout_missing_dirs(dht_layout_t *layout);
int
-dht_refresh_layout (call_frame_t *frame);
-
-gf_boolean_t
-dht_is_tier_xlator (xlator_t *this);
+dht_refresh_layout(call_frame_t *frame);
int
-dht_build_parent_loc (xlator_t *this, loc_t *parent, loc_t *child,
- int32_t *op_errno);
+dht_build_parent_loc(xlator_t *this, loc_t *parent, loc_t *child,
+ int32_t *op_errno);
int32_t
-dht_set_local_rebalance (xlator_t *this, dht_local_t *local,
- struct iatt *stbuf,
- struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata);
+dht_set_local_rebalance(xlator_t *this, dht_local_t *local, struct iatt *stbuf,
+ struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata);
void
-dht_build_root_loc (inode_t *inode, loc_t *loc);
+dht_build_root_loc(inode_t *inode, loc_t *loc);
gf_boolean_t
-dht_fd_open_on_dst (xlator_t *this, fd_t *fd, xlator_t *dst);
+dht_fd_open_on_dst(xlator_t *this, fd_t *fd, xlator_t *dst);
int32_t
-dht_fd_ctx_destroy (xlator_t *this, fd_t *fd);
+dht_fd_ctx_destroy(xlator_t *this, fd_t *fd);
int32_t
-dht_release (xlator_t *this, fd_t *fd);
-
+dht_release(xlator_t *this, fd_t *fd);
int32_t
-dht_set_fixed_dir_stat (struct iatt *stat);
+dht_set_fixed_dir_stat(struct iatt *stat);
-xlator_t*
-dht_get_lock_subvolume (xlator_t *this, struct gf_flock *lock,
- dht_local_t *local);
+xlator_t *
+dht_get_lock_subvolume(xlator_t *this, struct gf_flock *lock,
+ dht_local_t *local);
int
-dht_lk_inode_unref (call_frame_t *frame, int32_t op_ret);
+dht_lk_inode_unref(call_frame_t *frame, int32_t op_ret);
-void
-dht_normalize_stats (struct statvfs *buf, unsigned long bsize,
- unsigned long frsize);
+int
+dht_fd_ctx_set(xlator_t *this, fd_t *fd, xlator_t *subvol);
int
-add_opt(char **optsp, const char *opt);
+dht_check_and_open_fd_on_subvol(xlator_t *this, call_frame_t *frame);
+
+/* FD fop callbacks */
int
-dht_aggregate_split_brain_xattr (dict_t *dst, char *key, data_t *value);
+dht_writev_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata);
int
-dht_remove_stale_linkto (void *data);
+dht_flush_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xdata);
int
-dht_remove_stale_linkto_cbk (int ret, call_frame_t *sync_frame, void *data);
+dht_file_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata);
int
-dht_fd_ctx_set (xlator_t *this, fd_t *fd, xlator_t *subvol);
+dht_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata);
int
-dht_check_and_open_fd_on_subvol (xlator_t *this, call_frame_t *frame);
+dht_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata);
-/* FD fop callbacks */
+int
+dht_fallocate_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata);
int
-dht_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata);
+dht_truncate_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata);
int
-dht_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata);
+dht_fsync_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata);
int
-dht_file_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata);
+dht_readv_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iovec *vector, int count, struct iatt *stbuf,
+ struct iobref *iobref, dict_t *xdata);
int
-dht_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata);
+dht_file_attr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *stbuf, dict_t *xdata);
int
-dht_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata);
+dht_file_removexattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata);
int
-dht_fallocate_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata);
+dht_file_setxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata);
+/* All custom xattr heal functions */
int
-dht_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata);
+dht_dir_heal_xattrs(void *data);
int
-dht_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
- int op_errno, struct iatt *prebuf, struct iatt *postbuf,
- dict_t *xdata);
+dht_dir_heal_xattrs_done(int ret, call_frame_t *sync_frame, void *data);
+int32_t
+dht_dict_set_array(dict_t *dict, char *key, int32_t value[], int32_t size);
int
-dht_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- struct iovec *vector, int count, struct iatt *stbuf,
- struct iobref *iobref, dict_t *xdata);
+dht_set_user_xattr(dict_t *dict, char *k, data_t *v, void *data);
-int
-dht_file_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *stbuf, dict_t *xdata);
+void
+dht_dir_set_heal_xattr(xlator_t *this, dht_local_t *local, dict_t *dst,
+ dict_t *src, int *uret, int *uflag);
int
-dht_file_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata);
+dht_dir_xattr_heal(xlator_t *this, dht_local_t *local, int *op_errno);
int
-dht_file_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata);
+dht_common_mark_mdsxattr(call_frame_t *frame, int *errst, int flag);
-/* All custom xattr heal functions */
int
-dht_dir_heal_xattrs (void *data);
+dht_inode_ctx_mdsvol_get(inode_t *inode, xlator_t *this, xlator_t **mdsvol);
int
-dht_dir_heal_xattrs_done (int ret, call_frame_t *sync_frame, void *data);
+dht_selfheal_dir_setattr(call_frame_t *frame, loc_t *loc, struct iatt *stbuf,
+ int32_t valid, dht_layout_t *layout);
+
+/* Abstract out the DHT-IATT-IN-DICT */
void
-dht_aggregate_xattr (dict_t *dst, dict_t *src);
+dht_selfheal_layout_new_directory(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *new_layout);
-int32_t
-dht_dict_set_array(dict_t *dict, char *key, int32_t value[], int32_t size);
+int
+dht_pt_fgetxattr(call_frame_t *frame, xlator_t *this, fd_t *fd, const char *key,
+ dict_t *xdata);
int
-dht_set_user_xattr (dict_t *dict, char *k, data_t *v, void *data);
+dht_pt_getxattr(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *key, dict_t *xdata);
-void
-dht_dir_set_heal_xattr (xlator_t *this, dht_local_t *local, dict_t *dst,
- dict_t *src, int *uret, int *uflag);
+int32_t
+dht_pt_mkdir(call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
+ mode_t umask, dict_t *xdata);
int
-dht_dir_xattr_heal (xlator_t *this, dht_local_t *local);
+dht_pt_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata);
int32_t
-dht_dict_get_array (dict_t *dict, char *key, int32_t value[], int32_t size, int *errst);
-
-xlator_t *
-dht_inode_get_hashed_subvol (inode_t *inode, xlator_t *this, loc_t *loc);
+dht_check_remote_fd_failed_error(dht_local_t *local, int op_ret, int op_errno);
int
-dht_common_mark_mdsxattr (call_frame_t *frame, int *errst, int flag);
+dht_common_xattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata);
-int
-dht_common_mark_mdsxattr_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- dict_t *xdata);
+int32_t
+dht_create_lock(call_frame_t *frame, xlator_t *subvol);
int
-dht_inode_ctx_mdsvol_set (inode_t *inode, xlator_t *this,
- xlator_t *mds_subvol);
-int
-dht_inode_ctx_mdsvol_get (inode_t *inode, xlator_t *this,
- xlator_t **mdsvol);
+dht_set_parent_layout_in_dict(loc_t *loc, xlator_t *this, dht_local_t *local);
int
-dht_selfheal_dir_setattr (call_frame_t *frame, loc_t *loc, struct iatt *stbuf,
- int32_t valid, dht_layout_t *layout);
-
-/* Abstract out the DHT-IATT-IN-DICT */
-
-
-int dht_request_iatt_in_xdata (xlator_t *this, dict_t *xattr_req);
-
-int dht_read_iatt_from_xdata (xlator_t *this, dict_t *xdata,
- struct iatt *stbuf);
+dht_dir_layout_error_check(xlator_t *this, inode_t *inode);
int
-is_permission_different (ia_prot_t *prot1, ia_prot_t *prot2);
-#endif/* _DHT_H */
+dht_inode_ctx_mdsvol_set(inode_t *inode, xlator_t *this, xlator_t *mds_subvol);
+#endif /* _DHT_H */
diff --git a/xlators/cluster/dht/src/dht-diskusage.c b/xlators/cluster/dht/src/dht-diskusage.c
index f109615e52c..c0588828fdb 100644
--- a/xlators/cluster/dht/src/dht-diskusage.c
+++ b/xlators/cluster/dht/src/dht-diskusage.c
@@ -8,505 +8,480 @@
cases as published by the Free Software Foundation.
*/
-
/* TODO: add NS locking */
-#include "glusterfs.h"
-#include "xlator.h"
#include "dht-common.h"
-#include "dht-messages.h"
-#include "defaults.h"
#include <sys/time.h>
-#include "events.h"
-
+#include <glusterfs/events.h>
int
-dht_du_info_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct statvfs *statvfs,
- dict_t *xdata)
+dht_du_info_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct statvfs *statvfs, dict_t *xdata)
{
- dht_conf_t *conf = NULL;
- xlator_t *prev = NULL;
- int this_call_cnt = 0;
- int i = 0;
- double percent = 0;
- double percent_inodes = 0;
- uint64_t bytes = 0;
- uint32_t bpc; /* blocks per chunk */
- uint32_t chunks = 0;
-
- conf = this->private;
- prev = cookie;
-
- if (op_ret == -1 || !statvfs) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_GET_DISK_INFO_ERROR,
- "failed to get disk info from %s", prev->name);
- goto out;
- }
-
- if (statvfs->f_blocks) {
- percent = (statvfs->f_bavail * 100) / statvfs->f_blocks;
- bytes = (statvfs->f_bavail * statvfs->f_frsize);
- /*
- * A 32-bit count of 1MB chunks allows a maximum brick size of
- * ~4PB. It's possible that we could see a single local FS
- * bigger than that some day, but this code is likely to be
- * irrelevant by then. Meanwhile, it's more important to keep
- * the chunk size small so the layout-calculation code that
- * uses this value can be tested on normal machines.
- */
- bpc = (1 << 20) / statvfs->f_bsize;
- chunks = (statvfs->f_blocks + bpc - 1) / bpc;
- }
-
- if (statvfs->f_files) {
- percent_inodes = (statvfs->f_ffree * 100) / statvfs->f_files;
- } else {
- /*
- * Set percent inodes to 100 for dynamically allocated inode
- * filesystems. The rationale is that distribute need not
- * worry about total inodes; rather, let the 'create()' be
- * scheduled on the hashed subvol regardless of the total
- * inodes.
- */
- percent_inodes = 100;
- }
-
- LOCK (&conf->subvolume_lock);
- {
- for (i = 0; i < conf->subvolume_cnt; i++)
- if (prev == conf->subvolumes[i]) {
- conf->du_stats[i].avail_percent = percent;
- conf->du_stats[i].avail_space = bytes;
- conf->du_stats[i].avail_inodes = percent_inodes;
- conf->du_stats[i].chunks = chunks;
- conf->du_stats[i].total_blocks = statvfs->f_blocks;
- conf->du_stats[i].avail_blocks = statvfs->f_bavail;
- conf->du_stats[i].frsize = statvfs->f_frsize;
-
- gf_msg_debug (this->name, 0,
- "subvolume '%s': avail_percent "
- "is: %.2f and avail_space "
- "is: %" PRIu64" and avail_inodes"
- " is: %.2f",
- prev->name,
- conf->du_stats[i].avail_percent,
- conf->du_stats[i].avail_space,
- conf->du_stats[i].avail_inodes);
- break; /* no point in looping further */
- }
- }
- UNLOCK (&conf->subvolume_lock);
+ dht_conf_t *conf = NULL;
+ xlator_t *prev = NULL;
+ int this_call_cnt = 0;
+ int i = 0;
+ double percent = 0;
+ double percent_inodes = 0;
+ uint64_t bytes = 0;
+ uint32_t bpc; /* blocks per chunk */
+ uint32_t chunks = 0;
+
+ conf = this->private;
+ prev = cookie;
+
+ if (op_ret == -1 || !statvfs) {
+ gf_msg(this->name, GF_LOG_WARNING, op_errno,
+ DHT_MSG_GET_DISK_INFO_ERROR, "failed to get disk info from %s",
+ prev->name);
+ goto out;
+ }
+
+ if (statvfs->f_blocks) {
+ percent = (statvfs->f_bavail * 100) / statvfs->f_blocks;
+ bytes = (statvfs->f_bavail * statvfs->f_frsize);
+ /*
+ * A 32-bit count of 1MB chunks allows a maximum brick size of
+ * ~4PB. It's possible that we could see a single local FS
+ * bigger than that some day, but this code is likely to be
+ * irrelevant by then. Meanwhile, it's more important to keep
+ * the chunk size small so the layout-calculation code that
+ * uses this value can be tested on normal machines.
+ */
+ bpc = (1 << 20) / statvfs->f_bsize;
+ chunks = (statvfs->f_blocks + bpc - 1) / bpc;
+ }
+
+ if (statvfs->f_files) {
+ percent_inodes = (statvfs->f_ffree * 100) / statvfs->f_files;
+ } else {
+ /*
+ * Set percent inodes to 100 for dynamically allocated inode
+ * filesystems. The rationale is that distribute need not
+ * worry about total inodes; rather, let the 'create()' be
+ * scheduled on the hashed subvol regardless of the total
+ * inodes.
+ */
+ percent_inodes = 100;
+ }
+
+ LOCK(&conf->subvolume_lock);
+ {
+ for (i = 0; i < conf->subvolume_cnt; i++)
+ if (prev == conf->subvolumes[i]) {
+ conf->du_stats[i].avail_percent = percent;
+ conf->du_stats[i].avail_space = bytes;
+ conf->du_stats[i].avail_inodes = percent_inodes;
+ conf->du_stats[i].chunks = chunks;
+ conf->du_stats[i].total_blocks = statvfs->f_blocks;
+ conf->du_stats[i].avail_blocks = statvfs->f_bavail;
+ conf->du_stats[i].frsize = statvfs->f_frsize;
+
+ gf_msg_debug(this->name, 0,
+ "subvolume '%s': avail_percent "
+ "is: %.2f and avail_space "
+ "is: %" PRIu64
+ " and avail_inodes"
+ " is: %.2f",
+ prev->name, conf->du_stats[i].avail_percent,
+ conf->du_stats[i].avail_space,
+ conf->du_stats[i].avail_inodes);
+ break; /* no point in looping further */
+ }
+ }
+ UNLOCK(&conf->subvolume_lock);
out:
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt))
- DHT_STACK_DESTROY (frame);
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt))
+ DHT_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
int
-dht_get_du_info_for_subvol (xlator_t *this, int subvol_idx)
+dht_get_du_info_for_subvol(xlator_t *this, int subvol_idx)
{
- dht_conf_t *conf = NULL;
- call_frame_t *statfs_frame = NULL;
- dht_local_t *statfs_local = NULL;
- call_pool_t *pool = NULL;
- loc_t tmp_loc = {0,};
-
- conf = this->private;
- pool = this->ctx->pool;
-
- statfs_frame = create_frame (this, pool);
- if (!statfs_frame) {
- goto err;
- }
-
- /* local->fop value is not used in this case */
- statfs_local = dht_local_init (statfs_frame, NULL, NULL,
- GF_FOP_MAXVALUE);
- if (!statfs_local) {
- goto err;
- }
-
- /* make it root gfid, should be enough to get the proper info back */
- tmp_loc.gfid[15] = 1;
-
- statfs_local->call_cnt = 1;
- STACK_WIND_COOKIE (statfs_frame, dht_du_info_cbk,
- conf->subvolumes[subvol_idx],
- conf->subvolumes[subvol_idx],
- conf->subvolumes[subvol_idx]->fops->statfs,
- &tmp_loc, NULL);
-
- return 0;
+ dht_conf_t *conf = NULL;
+ call_frame_t *statfs_frame = NULL;
+ dht_local_t *statfs_local = NULL;
+ call_pool_t *pool = NULL;
+ loc_t tmp_loc = {
+ 0,
+ };
+
+ conf = this->private;
+ pool = this->ctx->pool;
+
+ statfs_frame = create_frame(this, pool);
+ if (!statfs_frame) {
+ goto err;
+ }
+
+ /* local->fop value is not used in this case */
+ statfs_local = dht_local_init(statfs_frame, NULL, NULL, GF_FOP_MAXVALUE);
+ if (!statfs_local) {
+ goto err;
+ }
+
+ /* make it root gfid, should be enough to get the proper info back */
+ tmp_loc.gfid[15] = 1;
+
+ statfs_local->call_cnt = 1;
+ STACK_WIND_COOKIE(
+ statfs_frame, dht_du_info_cbk, conf->subvolumes[subvol_idx],
+ conf->subvolumes[subvol_idx],
+ conf->subvolumes[subvol_idx]->fops->statfs, &tmp_loc, NULL);
+
+ return 0;
err:
- if (statfs_frame)
- DHT_STACK_DESTROY (statfs_frame);
+ if (statfs_frame)
+ DHT_STACK_DESTROY(statfs_frame);
- return -1;
+ return -1;
}
int
-dht_get_du_info (call_frame_t *frame, xlator_t *this, loc_t *loc)
+dht_get_du_info(call_frame_t *frame, xlator_t *this, loc_t *loc)
{
- int i = 0;
- int ret = -1;
- dht_conf_t *conf = NULL;
- call_frame_t *statfs_frame = NULL;
- dht_local_t *statfs_local = NULL;
- struct timeval tv = {0,};
- loc_t tmp_loc = {0,};
-
- conf = this->private;
-
- gettimeofday (&tv, NULL);
-
- /* make it root gfid, should be enough to get the proper
- info back */
- tmp_loc.gfid[15] = 1;
-
- if (tv.tv_sec > (conf->refresh_interval
- + conf->last_stat_fetch.tv_sec)) {
-
- statfs_frame = copy_frame (frame);
- if (!statfs_frame) {
- goto err;
- }
-
- /* In this case, 'local->fop' is not used */
- statfs_local = dht_local_init (statfs_frame, loc, NULL,
- GF_FOP_MAXVALUE);
- if (!statfs_local) {
- goto err;
- }
-
- statfs_local->params = dict_new ();
- if (!statfs_local->params)
- goto err;
-
- ret = dict_set_int8 (statfs_local->params,
- GF_INTERNAL_IGNORE_DEEM_STATFS, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set "
- GF_INTERNAL_IGNORE_DEEM_STATFS" in dict");
- goto err;
- }
+ int i = 0;
+ int ret = -1;
+ dht_conf_t *conf = NULL;
+ call_frame_t *statfs_frame = NULL;
+ dht_local_t *statfs_local = NULL;
+ loc_t tmp_loc = {
+ 0,
+ };
+ time_t now;
+
+ conf = this->private;
+ now = gf_time();
+ /* make it root gfid, should be enough to get the proper
+ info back */
+ tmp_loc.gfid[15] = 1;
+
+ if (now > (conf->refresh_interval + conf->last_stat_fetch)) {
+ statfs_frame = copy_frame(frame);
+ if (!statfs_frame) {
+ goto err;
+ }
+
+ /* In this case, 'local->fop' is not used */
+ statfs_local = dht_local_init(statfs_frame, loc, NULL, GF_FOP_MAXVALUE);
+ if (!statfs_local) {
+ goto err;
+ }
+
+ statfs_local->params = dict_new();
+ if (!statfs_local->params)
+ goto err;
+
+ ret = dict_set_int8(statfs_local->params,
+ GF_INTERNAL_IGNORE_DEEM_STATFS, 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set " GF_INTERNAL_IGNORE_DEEM_STATFS " in dict");
+ goto err;
+ }
+
+ statfs_local->call_cnt = conf->subvolume_cnt;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ STACK_WIND_COOKIE(statfs_frame, dht_du_info_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->statfs, &tmp_loc,
+ statfs_local->params);
+ }
- statfs_local->call_cnt = conf->subvolume_cnt;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- STACK_WIND_COOKIE (statfs_frame, dht_du_info_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->statfs,
- &tmp_loc, statfs_local->params);
- }
-
- conf->last_stat_fetch.tv_sec = tv.tv_sec;
- }
- return 0;
+ conf->last_stat_fetch = now;
+ }
+ return 0;
err:
- if (statfs_frame)
- DHT_STACK_DESTROY (statfs_frame);
+ if (statfs_frame)
+ DHT_STACK_DESTROY(statfs_frame);
- return -1;
+ return -1;
}
-
gf_boolean_t
-dht_is_subvol_filled (xlator_t *this, xlator_t *subvol)
+dht_is_subvol_filled(xlator_t *this, xlator_t *subvol)
{
- int i = 0;
- char vol_name[256];
- dht_conf_t *conf = NULL;
- gf_boolean_t subvol_filled_inodes = _gf_false;
- gf_boolean_t subvol_filled_space = _gf_false;
- gf_boolean_t is_subvol_filled = _gf_false;
- double usage = 0;
-
- conf = this->private;
-
- /* Check for values above specified percent or free disk */
- LOCK (&conf->subvolume_lock);
- {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (subvol == conf->subvolumes[i]) {
- if (conf->disk_unit == 'p') {
- if (conf->du_stats[i].avail_percent <
- conf->min_free_disk) {
- subvol_filled_space = _gf_true;
- break;
- }
-
- } else {
- if (conf->du_stats[i].avail_space <
- conf->min_free_disk) {
- subvol_filled_space = _gf_true;
- break;
- }
- }
- if (conf->du_stats[i].avail_inodes <
- conf->min_free_inodes) {
- subvol_filled_inodes = _gf_true;
- break;
- }
- }
- }
- }
- UNLOCK (&conf->subvolume_lock);
-
- if (subvol_filled_space && conf->subvolume_status[i]) {
- if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
- usage = 100 - conf->du_stats[i].avail_percent;
-
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_SUBVOL_INSUFF_SPACE,
- "disk space on subvolume '%s' is getting "
- "full (%.2f %%), consider adding more bricks",
- subvol->name, usage);
-
- strncpy(vol_name, this->name, sizeof(vol_name));
- vol_name[(strlen(this->name)-4)] = '\0';
-
- gf_event(EVENT_DHT_DISK_USAGE,
- "volume=%s;subvol=%s;usage=%.2f %%",
- vol_name, subvol->name, usage);
- }
- }
-
- if (subvol_filled_inodes && conf->subvolume_status[i]) {
- if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
- usage = 100 - conf->du_stats[i].avail_inodes;
- gf_msg (this->name, GF_LOG_CRITICAL, 0,
- DHT_MSG_SUBVOL_INSUFF_INODES,
- "inodes on subvolume '%s' are at "
- "(%.2f %%), consider adding more bricks",
- subvol->name, usage);
-
- strncpy(vol_name, this->name, sizeof(vol_name));
- vol_name[(strlen(this->name)-4)] = '\0';
-
- gf_event(EVENT_DHT_INODES_USAGE,
- "volume=%s;subvol=%s;usage=%.2f %%",
- vol_name, subvol->name, usage);
- }
- }
-
- is_subvol_filled = (subvol_filled_space || subvol_filled_inodes);
-
- return is_subvol_filled;
-}
+ int i = 0;
+ char vol_name[256];
+ dht_conf_t *conf = NULL;
+ gf_boolean_t subvol_filled_inodes = _gf_false;
+ gf_boolean_t subvol_filled_space = _gf_false;
+ gf_boolean_t is_subvol_filled = _gf_false;
+ double usage = 0;
+
+ conf = this->private;
+
+ /* Check for values above specified percent or free disk */
+ LOCK(&conf->subvolume_lock);
+ {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (subvol == conf->subvolumes[i]) {
+ if (conf->disk_unit == 'p') {
+ if (conf->du_stats[i].avail_percent < conf->min_free_disk) {
+ subvol_filled_space = _gf_true;
+ break;
+ }
+
+ } else {
+ if (conf->du_stats[i].avail_space < conf->min_free_disk) {
+ subvol_filled_space = _gf_true;
+ break;
+ }
+ }
+ if (conf->du_stats[i].avail_inodes < conf->min_free_inodes) {
+ subvol_filled_inodes = _gf_true;
+ break;
+ }
+ }
+ }
+ }
+ UNLOCK(&conf->subvolume_lock);
+ if (subvol_filled_space && conf->subvolume_status[i]) {
+ if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
+ usage = 100 - conf->du_stats[i].avail_percent;
-/*Get the best subvolume to create the file in*/
-xlator_t *
-dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol,
- dht_local_t *local)
-{
- xlator_t *avail_subvol = NULL;
- dht_conf_t *conf = NULL;
- dht_layout_t *layout = NULL;
- loc_t *loc = NULL;
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_SUBVOL_INSUFF_SPACE,
+ "disk space on subvolume '%s' is getting "
+ "full (%.2f %%), consider adding more bricks",
+ subvol->name, usage);
- conf = this->private;
- if (!local)
- goto out;
- loc = &local->loc;
- if (!local->layout) {
- layout = dht_layout_get (this, loc->parent);
-
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "Missing layout. path=%s,"
- " parent gfid = %s", loc->path,
- uuid_utoa (loc->parent->gfid));
- goto out;
- }
- } else {
- layout = dht_layout_ref (this, local->layout);
- }
+ (void)snprintf(vol_name, sizeof(vol_name), "%s", this->name);
+ vol_name[(strlen(this->name) - 4)] = '\0';
- LOCK (&conf->subvolume_lock);
- {
- avail_subvol = dht_subvol_with_free_space_inodes(this, subvol, NULL,
- layout, 0);
- if(!avail_subvol)
- {
- avail_subvol = dht_subvol_maxspace_nonzeroinode(this,
- subvol,
- layout);
- }
+ gf_event(EVENT_DHT_DISK_USAGE, "volume=%s;subvol=%s;usage=%.2f %%",
+ vol_name, subvol->name, usage);
+ }
+ }
+
+ if (subvol_filled_inodes && conf->subvolume_status[i]) {
+ if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
+ usage = 100 - conf->du_stats[i].avail_inodes;
+ gf_msg(this->name, GF_LOG_CRITICAL, 0, DHT_MSG_SUBVOL_INSUFF_INODES,
+ "inodes on subvolume '%s' are at "
+ "(%.2f %%), consider adding more bricks",
+ subvol->name, usage);
+
+ (void)snprintf(vol_name, sizeof(vol_name), "%s", this->name);
+ vol_name[(strlen(this->name) - 4)] = '\0';
+
+ gf_event(EVENT_DHT_INODES_USAGE,
+ "volume=%s;subvol=%s;usage=%.2f %%", vol_name,
+ subvol->name, usage);
+ }
+ }
- }
- UNLOCK (&conf->subvolume_lock);
-out:
- if (!avail_subvol) {
- gf_msg_debug (this->name, 0,
- "No subvolume has enough free space \
- and/or inodes to create");
- avail_subvol = subvol;
- }
+ is_subvol_filled = (subvol_filled_space || subvol_filled_inodes);
- if (layout)
- dht_layout_unref (this, layout);
- return avail_subvol;
+ return is_subvol_filled;
}
-static inline
-int32_t dht_subvol_has_err (dht_conf_t *conf, xlator_t *this, xlator_t *ignore,
- dht_layout_t *layout)
+/*Get the best subvolume to create the file in*/
+xlator_t *
+dht_free_disk_available_subvol(xlator_t *this, xlator_t *subvol,
+ dht_local_t *local)
{
- int ret = -1;
- int i = 0;
-
- if (!this || !layout)
- goto out;
-
- /* this check is meant for rebalance process. The source of the file
- * should be ignored for space check */
- if (this == ignore) {
- goto out;
+ xlator_t *avail_subvol = NULL;
+ dht_conf_t *conf = NULL;
+ dht_layout_t *layout = NULL;
+ loc_t *loc = NULL;
+
+ conf = this->private;
+ if (!local)
+ goto out;
+ loc = &local->loc;
+ if (!local->layout) {
+ layout = dht_layout_get(this, loc->parent);
+
+ if (!layout) {
+ gf_msg_debug(this->name, 0,
+ "Missing layout. path=%s,"
+ " parent gfid = %s",
+ loc->path, uuid_utoa(loc->parent->gfid));
+ goto out;
+ }
+ } else {
+ layout = dht_layout_ref(this, local->layout);
+ }
+
+ LOCK(&conf->subvolume_lock);
+ {
+ avail_subvol = dht_subvol_with_free_space_inodes(this, subvol, NULL,
+ layout, 0);
+ if (!avail_subvol) {
+ avail_subvol = dht_subvol_maxspace_nonzeroinode(this, subvol,
+ layout);
}
+ }
+ UNLOCK(&conf->subvolume_lock);
+out:
+ if (!avail_subvol) {
+ gf_msg_debug(this->name, 0,
+ "No subvolume has enough free space \
+ and/or inodes to create");
+ avail_subvol = subvol;
+ }
+ if (layout)
+ dht_layout_unref(this, layout);
+ return avail_subvol;
+}
- /* check if subvol has layout errors, before selecting it */
- for (i = 0; i < layout->cnt; i++) {
- if (!strcmp (layout->list[i].xlator->name, this->name) &&
- (layout->list[i].err != 0)) {
- ret = -1;
- goto out;
- }
+static inline int32_t
+dht_subvol_has_err(dht_conf_t *conf, xlator_t *this, xlator_t *ignore,
+ dht_layout_t *layout)
+{
+ int ret = -1;
+ int i = 0;
+
+ if (!this || !layout)
+ goto out;
+
+ /* this check is meant for rebalance process. The source of the file
+ * should be ignored for space check */
+ if (this == ignore) {
+ goto out;
+ }
+
+ /* check if subvol has layout errors, before selecting it */
+ for (i = 0; i < layout->cnt; i++) {
+ if (!strcmp(layout->list[i].xlator->name, this->name) &&
+ (layout->list[i].err != 0)) {
+ ret = -1;
+ goto out;
}
+ }
- /* discard decommissioned subvol */
- if (conf->decommission_subvols_cnt) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->decommissioned_bricks[i] &&
- conf->decommissioned_bricks[i] == this) {
- ret = -1;
- goto out;
- }
- }
+ /* discard decommissioned subvol */
+ if (conf->decommission_subvols_cnt) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->decommissioned_bricks[i] &&
+ conf->decommissioned_bricks[i] == this) {
+ ret = -1;
+ goto out;
+ }
}
+ }
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
/*Get subvolume which has both space and inodes more than the min criteria*/
xlator_t *
-dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol, xlator_t *ignore,
- dht_layout_t *layout, uint64_t filesize)
+dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol,
+ xlator_t *ignore, dht_layout_t *layout,
+ uint64_t filesize)
{
- int i = 0;
- double max = 0;
- double max_inodes = 0;
- int ignore_subvol = 0;
- uint64_t total_blocks = 0;
- uint64_t avail_blocks = 0;
- uint64_t frsize = 0;
- double post_availspace = 0;
- double post_percent = 0;
-
- xlator_t *avail_subvol = NULL;
- dht_conf_t *conf = NULL;
-
- conf = this->private;
-
- for(i=0; i < conf->subvolume_cnt; i++) {
- /* check if subvol has layout errors and also it is not a
- * decommissioned brick, before selecting it */
- ignore_subvol = dht_subvol_has_err (conf, conf->subvolumes[i],
- ignore, layout);
- if (ignore_subvol)
- continue;
-
- if ((conf->disk_unit == 'p') &&
- (conf->du_stats[i].avail_percent > conf->min_free_disk) &&
- (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
- if ((conf->du_stats[i].avail_inodes > max_inodes) ||
- (conf->du_stats[i].avail_percent > max)) {
- max = conf->du_stats[i].avail_percent;
- max_inodes = conf->du_stats[i].avail_inodes;
- avail_subvol = conf->subvolumes[i];
- total_blocks = conf->du_stats[i].total_blocks;
- avail_blocks = conf->du_stats[i].avail_blocks;
- frsize = conf->du_stats[i].frsize;
- }
- }
-
- if ((conf->disk_unit != 'p') &&
- (conf->du_stats[i].avail_space > conf->min_free_disk) &&
- (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
- if ((conf->du_stats[i].avail_inodes > max_inodes) ||
- (conf->du_stats[i].avail_space > max)) {
- max = conf->du_stats[i].avail_space;
- max_inodes = conf->du_stats[i].avail_inodes;
- avail_subvol = conf->subvolumes[i];
- }
- }
+ int i = 0;
+ double max = 0;
+ double max_inodes = 0;
+ int ignore_subvol = 0;
+ uint64_t total_blocks = 0;
+ uint64_t avail_blocks = 0;
+ uint64_t frsize = 0;
+ double post_availspace = 0;
+ double post_percent = 0;
+
+ xlator_t *avail_subvol = NULL;
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ /* check if subvol has layout errors and also it is not a
+ * decommissioned brick, before selecting it */
+ ignore_subvol = dht_subvol_has_err(conf, conf->subvolumes[i], ignore,
+ layout);
+ if (ignore_subvol)
+ continue;
+
+ if ((conf->disk_unit == 'p') &&
+ (conf->du_stats[i].avail_percent > conf->min_free_disk) &&
+ (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
+ if ((conf->du_stats[i].avail_inodes > max_inodes) ||
+ (conf->du_stats[i].avail_percent > max)) {
+ max = conf->du_stats[i].avail_percent;
+ max_inodes = conf->du_stats[i].avail_inodes;
+ avail_subvol = conf->subvolumes[i];
+ total_blocks = conf->du_stats[i].total_blocks;
+ avail_blocks = conf->du_stats[i].avail_blocks;
+ frsize = conf->du_stats[i].frsize;
+ }
}
- if (avail_subvol) {
- if (conf->disk_unit == 'p') {
- post_availspace = (avail_blocks * frsize) - filesize;
- post_percent = (post_availspace * 100) / (total_blocks * frsize);
- if (post_percent < conf->min_free_disk)
- avail_subvol = NULL;
- }
- if (conf->disk_unit != 'p') {
- if ((max - filesize) < conf->min_free_disk)
- avail_subvol = NULL;
- }
+ if ((conf->disk_unit != 'p') &&
+ (conf->du_stats[i].avail_space > conf->min_free_disk) &&
+ (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
+ if ((conf->du_stats[i].avail_inodes > max_inodes) ||
+ (conf->du_stats[i].avail_space > max)) {
+ max = conf->du_stats[i].avail_space;
+ max_inodes = conf->du_stats[i].avail_inodes;
+ avail_subvol = conf->subvolumes[i];
+ }
}
+ }
+
+ if (avail_subvol) {
+ if (conf->disk_unit == 'p') {
+ post_availspace = (avail_blocks * frsize) - filesize;
+ post_percent = (post_availspace * 100) / (total_blocks * frsize);
+ if (post_percent < conf->min_free_disk)
+ avail_subvol = NULL;
+ }
+ if (conf->disk_unit != 'p') {
+ if ((max - filesize) < conf->min_free_disk)
+ avail_subvol = NULL;
+ }
+ }
- return avail_subvol;
+ return avail_subvol;
}
-
/* Get subvol which has at least one inode and maximum space */
xlator_t *
-dht_subvol_maxspace_nonzeroinode (xlator_t *this, xlator_t *subvol,
- dht_layout_t *layout)
+dht_subvol_maxspace_nonzeroinode(xlator_t *this, xlator_t *subvol,
+ dht_layout_t *layout)
{
- int i = 0;
- double max = 0;
- int ignore_subvol = 0;
-
- xlator_t *avail_subvol = NULL;
- dht_conf_t *conf = NULL;
-
- conf = this->private;
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- /* check if subvol has layout errors and also it is not a
- * decommissioned brick, before selecting it*/
-
- ignore_subvol = dht_subvol_has_err (conf, conf->subvolumes[i], NULL,
- layout);
- if (ignore_subvol)
- continue;
-
- if (conf->disk_unit == 'p') {
- if ((conf->du_stats[i].avail_percent > max)
- && (conf->du_stats[i].avail_inodes > 0 )) {
- max = conf->du_stats[i].avail_percent;
- avail_subvol = conf->subvolumes[i];
- }
- } else {
- if ((conf->du_stats[i].avail_space > max)
- && (conf->du_stats[i].avail_inodes > 0)) {
- max = conf->du_stats[i].avail_space;
- avail_subvol = conf->subvolumes[i];
- }
- }
+ int i = 0;
+ double max = 0;
+ int ignore_subvol = 0;
+
+ xlator_t *avail_subvol = NULL;
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ /* check if subvol has layout errors and also it is not a
+ * decommissioned brick, before selecting it*/
+
+ ignore_subvol = dht_subvol_has_err(conf, conf->subvolumes[i], NULL,
+ layout);
+ if (ignore_subvol)
+ continue;
+
+ if (conf->disk_unit == 'p') {
+ if ((conf->du_stats[i].avail_percent > max) &&
+ (conf->du_stats[i].avail_inodes > 0)) {
+ max = conf->du_stats[i].avail_percent;
+ avail_subvol = conf->subvolumes[i];
+ }
+ } else {
+ if ((conf->du_stats[i].avail_space > max) &&
+ (conf->du_stats[i].avail_inodes > 0)) {
+ max = conf->du_stats[i].avail_space;
+ avail_subvol = conf->subvolumes[i];
+ }
}
+ }
- return avail_subvol;
+ return avail_subvol;
}
diff --git a/xlators/cluster/dht/src/dht-hashfn.c b/xlators/cluster/dht/src/dht-hashfn.c
index f8e614a40aa..acda67c312a 100644
--- a/xlators/cluster/dht/src/dht-hashfn.c
+++ b/xlators/cluster/dht/src/dht-hashfn.c
@@ -8,104 +8,103 @@
cases as published by the Free Software Foundation.
*/
-
-#include "glusterfs.h"
-#include "xlator.h"
#include "dht-common.h"
-#include "hashfn.h"
-
+#include <glusterfs/hashfn.h>
-int
-dht_hash_compute_internal (int type, const char *name, uint32_t *hash_p)
+static int
+dht_hash_compute_internal(int type, const char *name, const int len,
+ uint32_t *hash_p)
{
- int ret = 0;
- uint32_t hash = 0;
+ int ret = 0;
+ uint32_t hash = 0;
- switch (type) {
+ switch (type) {
case DHT_HASH_TYPE_DM:
case DHT_HASH_TYPE_DM_USER:
- hash = gf_dm_hashfn (name, strlen (name));
- break;
+ hash = gf_dm_hashfn(name, len);
+ break;
default:
- ret = -1;
- break;
- }
+ ret = -1;
+ break;
+ }
- if (ret == 0) {
- *hash_p = hash;
- }
+ if (ret == 0) {
+ *hash_p = hash;
+ }
- return ret;
+ return ret;
}
-
-static
-gf_boolean_t
-dht_munge_name (const char *original, char *modified,
- size_t len, regex_t *re)
+/* The function returns:
+ * 0 : in case no munge took place
+ * >0 : the length (inc. terminating NULL!) of the newly modified string,
+ * if it was munged.
+ */
+static int
+dht_munge_name(const char *original, char *modified, size_t len, regex_t *re)
{
- regmatch_t matches[2] = {{0}, };
- size_t new_len = 0;
- int ret = 0;
-
- ret = regexec(re, original, 2, matches, 0);
-
- if (ret != REG_NOMATCH) {
- if (matches[1].rm_so != -1) {
- new_len = matches[1].rm_eo - matches[1].rm_so;
- /* Equal would fail due to the NUL at the end. */
- if (new_len < len) {
- memcpy (modified,original+matches[1].rm_so,
- new_len);
- modified[new_len] = '\0';
- return _gf_true;
- }
- }
+ regmatch_t matches[2] = {
+ {0},
+ };
+ size_t new_len = 0;
+ int ret = 0;
+
+ ret = regexec(re, original, 2, matches, 0);
+
+ if (ret != REG_NOMATCH) {
+ if (matches[1].rm_so != -1) {
+ new_len = matches[1].rm_eo - matches[1].rm_so;
+ /* Equal would fail due to the NUL at the end. */
+ if (new_len < len) {
+ memcpy(modified, original + matches[1].rm_so, new_len);
+ modified[new_len] = '\0';
+ return new_len + 1; /* +1 for the terminating NULL */
+ }
}
+ }
- /* This is guaranteed safe because of how the dest was allocated. */
- strcpy(modified, original);
- return _gf_false;
+ /* This is guaranteed safe because of how the dest was allocated. */
+ strcpy(modified, original);
+ return 0;
}
int
-dht_hash_compute (xlator_t *this, int type, const char *name, uint32_t *hash_p)
+dht_hash_compute(xlator_t *this, int type, const char *name, uint32_t *hash_p)
{
- char *rsync_friendly_name = NULL;
- dht_conf_t *priv = NULL;
- size_t len = 0;
- gf_boolean_t munged = _gf_false;
-
- priv = this->private;
-
- LOCK (&priv->lock);
- {
- if (priv->extra_regex_valid) {
- len = strlen(name) + 1;
- rsync_friendly_name = alloca(len);
- munged = dht_munge_name (name, rsync_friendly_name, len,
- &priv->extra_regex);
- }
-
- if (!munged && priv->rsync_regex_valid) {
- len = strlen(name) + 1;
- rsync_friendly_name = alloca(len);
- gf_msg_trace (this->name, 0, "trying regex for %s",
- name);
- munged = dht_munge_name (name, rsync_friendly_name, len,
- &priv->rsync_regex);
- if (munged) {
- gf_msg_debug (this->name, 0,
- "munged down to %s",
- rsync_friendly_name);
- }
- }
- }
- UNLOCK (&priv->lock);
+ char *rsync_friendly_name = NULL;
+ dht_conf_t *priv = NULL;
+ size_t len = 0;
+ int munged = 0;
+
+ priv = this->private;
+
+ if (name == NULL)
+ return -1;
- if (!munged) {
- rsync_friendly_name = (char *)name;
+ len = strlen(name) + 1;
+ rsync_friendly_name = alloca(len);
+
+ LOCK(&priv->lock);
+ {
+ if (priv->extra_regex_valid) {
+ munged = dht_munge_name(name, rsync_friendly_name, len,
+ &priv->extra_regex);
}
- return dht_hash_compute_internal (type, rsync_friendly_name, hash_p);
+ if (!munged && priv->rsync_regex_valid) {
+ gf_msg_trace(this->name, 0, "trying regex for %s", name);
+ munged = dht_munge_name(name, rsync_friendly_name, len,
+ &priv->rsync_regex);
+ }
+ }
+ UNLOCK(&priv->lock);
+ if (munged) {
+ gf_msg_debug(this->name, 0, "munged down to %s", rsync_friendly_name);
+ len = munged;
+ } else {
+ rsync_friendly_name = (char *)name;
+ }
+
+ return dht_hash_compute_internal(type, rsync_friendly_name, len - 1,
+ hash_p);
}
diff --git a/xlators/cluster/dht/src/dht-helper.c b/xlators/cluster/dht/src/dht-helper.c
index 561d1199e10..3f2fe43d5f3 100644
--- a/xlators/cluster/dht/src/dht-helper.c
+++ b/xlators/cluster/dht/src/dht-helper.c
@@ -8,266 +8,249 @@
cases as published by the Free Software Foundation.
*/
-
-#include "glusterfs.h"
-#include "xlator.h"
#include "dht-common.h"
#include "dht-lock.h"
+#include "glusterfs/compat-errno.h" // for ENODATA on BSD
static void
-dht_free_fd_ctx (dht_fd_ctx_t *fd_ctx)
+dht_free_fd_ctx(dht_fd_ctx_t *fd_ctx)
{
- GF_FREE (fd_ctx);
+ GF_FREE(fd_ctx);
}
-
int32_t
-dht_fd_ctx_destroy (xlator_t *this, fd_t *fd)
+dht_fd_ctx_destroy(xlator_t *this, fd_t *fd)
{
- dht_fd_ctx_t *fd_ctx = NULL;
- uint64_t value = 0;
- int32_t ret = -1;
+ dht_fd_ctx_t *fd_ctx = NULL;
+ uint64_t value = 0;
+ int32_t ret = -1;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, fd, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, fd, out);
- ret = fd_ctx_del (fd, this, &value);
- if (ret) {
- goto out;
- }
+ ret = fd_ctx_del(fd, this, &value);
+ if (ret) {
+ goto out;
+ }
- fd_ctx = (dht_fd_ctx_t *)value;
- if (fd_ctx) {
- GF_REF_PUT (fd_ctx);
- }
+ fd_ctx = (dht_fd_ctx_t *)(uintptr_t)value;
+ if (fd_ctx) {
+ GF_REF_PUT(fd_ctx);
+ }
out:
- return ret;
+ return ret;
}
-
static int
-__dht_fd_ctx_set (xlator_t *this, fd_t *fd, xlator_t *dst)
+__dht_fd_ctx_set(xlator_t *this, fd_t *fd, xlator_t *dst)
{
- dht_fd_ctx_t *fd_ctx = NULL;
- uint64_t value = 0;
- int ret = -1;
+ dht_fd_ctx_t *fd_ctx = NULL;
+ uint64_t value = 0;
+ int ret = -1;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, fd, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, fd, out);
- fd_ctx = GF_CALLOC (1, sizeof (*fd_ctx), gf_dht_mt_fd_ctx_t);
+ fd_ctx = GF_CALLOC(1, sizeof(*fd_ctx), gf_dht_mt_fd_ctx_t);
- if (!fd_ctx) {
- goto out;
- }
+ if (!fd_ctx) {
+ goto out;
+ }
- fd_ctx->opened_on_dst = (uint64_t) dst;
- GF_REF_INIT (fd_ctx, dht_free_fd_ctx);
+ fd_ctx->opened_on_dst = (uint64_t)(uintptr_t)dst;
+ GF_REF_INIT(fd_ctx, dht_free_fd_ctx);
- value = (uint64_t) fd_ctx;
+ value = (uint64_t)(uintptr_t)fd_ctx;
- ret = __fd_ctx_set (fd, this, value);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_FD_CTX_SET_FAILED,
- "Failed to set fd ctx in fd=0x%p", fd);
- GF_REF_PUT (fd_ctx);
- }
+ ret = __fd_ctx_set(fd, this, value);
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_FD_CTX_SET_FAILED,
+ "fd=0x%p", fd, NULL);
+ GF_REF_PUT(fd_ctx);
+ }
out:
- return ret;
+ return ret;
}
-
-
int
-dht_fd_ctx_set (xlator_t *this, fd_t *fd, xlator_t *dst)
+dht_fd_ctx_set(xlator_t *this, fd_t *fd, xlator_t *dst)
{
- dht_fd_ctx_t *fd_ctx = NULL;
- uint64_t value = 0;
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, fd, out);
-
- LOCK (&fd->lock);
- {
- ret = __fd_ctx_get (fd, this, &value);
- if (ret && value) {
-
- fd_ctx = (dht_fd_ctx_t *) value;
- if (fd_ctx->opened_on_dst == (uint64_t) dst) {
- /* This could happen due to racing
- * check_progress tasks*/
- goto unlock;
- } else {
- /* This would be a big problem*/
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_INVALID_VALUE,
- "Different dst found in the fd ctx");
-
- /* Overwrite and hope for the best*/
- fd_ctx->opened_on_dst = (uint64_t)dst;
- goto unlock;
- }
+ dht_fd_ctx_t *fd_ctx = NULL;
+ uint64_t value = 0;
+ int ret = -1;
+
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, fd, out);
+
+ LOCK(&fd->lock);
+ {
+ ret = __fd_ctx_get(fd, this, &value);
+ if (ret && value) {
+ fd_ctx = (dht_fd_ctx_t *)(uintptr_t)value;
+ if (fd_ctx->opened_on_dst == (uint64_t)(uintptr_t)dst) {
+ /* This could happen due to racing
+ * check_progress tasks*/
+ goto unlock;
+ } else {
+ /* This would be a big problem*/
+ /* Overwrite and hope for the best*/
+ fd_ctx->opened_on_dst = (uint64_t)(uintptr_t)dst;
+ UNLOCK(&fd->lock);
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_INVALID_VALUE,
+ NULL);
- }
- ret = __dht_fd_ctx_set (this, fd, dst);
+ goto out;
+ }
}
+ ret = __dht_fd_ctx_set(this, fd, dst);
+ }
unlock:
- UNLOCK (&fd->lock);
+ UNLOCK(&fd->lock);
out:
- return ret;
+ return ret;
}
-
-
-static
-dht_fd_ctx_t *
-dht_fd_ctx_get (xlator_t *this, fd_t *fd)
+static dht_fd_ctx_t *
+dht_fd_ctx_get(xlator_t *this, fd_t *fd)
{
- dht_fd_ctx_t *fd_ctx = NULL;
- int ret = -1;
- uint64_t tmp_val = 0;
-
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, fd, out);
-
- LOCK (&fd->lock);
- {
- ret = __fd_ctx_get (fd, this, &tmp_val);
- if ((ret < 0) || (tmp_val == 0)) {
- UNLOCK (&fd->lock);
- goto out;
- }
+ dht_fd_ctx_t *fd_ctx = NULL;
+ int ret = -1;
+ uint64_t tmp_val = 0;
- fd_ctx = (dht_fd_ctx_t *)tmp_val;
- GF_REF_GET (fd_ctx);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, fd, out);
+
+ LOCK(&fd->lock);
+ {
+ ret = __fd_ctx_get(fd, this, &tmp_val);
+ if ((ret < 0) || (tmp_val == 0)) {
+ goto unlock;
}
- UNLOCK (&fd->lock);
+
+ fd_ctx = (dht_fd_ctx_t *)(uintptr_t)tmp_val;
+ GF_REF_GET(fd_ctx);
+ }
+unlock:
+ UNLOCK(&fd->lock);
out:
- return fd_ctx;
+ return fd_ctx;
}
gf_boolean_t
-dht_fd_open_on_dst (xlator_t *this, fd_t *fd, xlator_t *dst)
+dht_fd_open_on_dst(xlator_t *this, fd_t *fd, xlator_t *dst)
{
- dht_fd_ctx_t *fd_ctx = NULL;
- gf_boolean_t opened = _gf_false;
+ dht_fd_ctx_t *fd_ctx = NULL;
+ gf_boolean_t opened = _gf_false;
- fd_ctx = dht_fd_ctx_get (this, fd);
+ fd_ctx = dht_fd_ctx_get(this, fd);
- if (fd_ctx) {
- if (fd_ctx->opened_on_dst == (uint64_t) dst) {
- opened = _gf_true;
- }
- GF_REF_PUT (fd_ctx);
+ if (fd_ctx) {
+ if (fd_ctx->opened_on_dst == (uint64_t)(uintptr_t)dst) {
+ opened = _gf_true;
}
+ GF_REF_PUT(fd_ctx);
+ }
- return opened;
+ return opened;
}
-
void
-dht_free_mig_info (void *data)
+dht_free_mig_info(void *data)
{
- dht_migrate_info_t *miginfo = NULL;
+ dht_migrate_info_t *miginfo = NULL;
- miginfo = data;
- GF_FREE (miginfo);
+ miginfo = data;
+ GF_FREE(miginfo);
- return;
+ return;
}
static int
-dht_inode_ctx_set_mig_info (xlator_t *this, inode_t *inode,
- xlator_t *src_subvol, xlator_t *dst_subvol)
+dht_inode_ctx_set_mig_info(xlator_t *this, inode_t *inode, xlator_t *src_subvol,
+ xlator_t *dst_subvol)
{
- dht_migrate_info_t *miginfo = NULL;
- uint64_t value = 0;
- int ret = -1;
+ dht_migrate_info_t *miginfo = NULL;
+ uint64_t value = 0;
+ int ret = -1;
- miginfo = GF_CALLOC (1, sizeof (*miginfo), gf_dht_mt_miginfo_t);
- if (miginfo == NULL)
- goto out;
+ miginfo = GF_CALLOC(1, sizeof(*miginfo), gf_dht_mt_miginfo_t);
+ if (miginfo == NULL)
+ goto out;
- miginfo->src_subvol = src_subvol;
- miginfo->dst_subvol = dst_subvol;
- GF_REF_INIT (miginfo, dht_free_mig_info);
+ miginfo->src_subvol = src_subvol;
+ miginfo->dst_subvol = dst_subvol;
+ GF_REF_INIT(miginfo, dht_free_mig_info);
- value = (uint64_t) miginfo;
+ value = (uint64_t)(uintptr_t)miginfo;
- ret = inode_ctx_set1 (inode, this, &value);
- if (ret < 0) {
- GF_REF_PUT (miginfo);
- }
+ ret = inode_ctx_set1(inode, this, &value);
+ if (ret < 0) {
+ GF_REF_PUT(miginfo);
+ }
out:
- return ret;
+ return ret;
}
-
int
-dht_inode_ctx_get_mig_info (xlator_t *this, inode_t *inode,
- xlator_t **src_subvol, xlator_t **dst_subvol)
+dht_inode_ctx_get_mig_info(xlator_t *this, inode_t *inode,
+ xlator_t **src_subvol, xlator_t **dst_subvol)
{
- int ret = -1;
- uint64_t tmp_miginfo = 0;
- dht_migrate_info_t *miginfo = NULL;
-
- LOCK (&inode->lock);
- {
- ret = __inode_ctx_get1 (inode, this, &tmp_miginfo);
- if ((ret < 0) || (tmp_miginfo == 0)) {
- UNLOCK (&inode->lock);
- goto out;
- }
+ int ret = -1;
+ uint64_t tmp_miginfo = 0;
+ dht_migrate_info_t *miginfo = NULL;
- miginfo = (dht_migrate_info_t *)tmp_miginfo;
- GF_REF_GET (miginfo);
+ LOCK(&inode->lock);
+ {
+ ret = __inode_ctx_get1(inode, this, &tmp_miginfo);
+ if ((ret < 0) || (tmp_miginfo == 0)) {
+ UNLOCK(&inode->lock);
+ goto out;
}
- UNLOCK (&inode->lock);
- if (src_subvol)
- *src_subvol = miginfo->src_subvol;
+ miginfo = (dht_migrate_info_t *)(uintptr_t)tmp_miginfo;
+ GF_REF_GET(miginfo);
+ }
+ UNLOCK(&inode->lock);
+
+ if (src_subvol)
+ *src_subvol = miginfo->src_subvol;
- if (dst_subvol)
- *dst_subvol = miginfo->dst_subvol;
+ if (dst_subvol)
+ *dst_subvol = miginfo->dst_subvol;
- GF_REF_PUT (miginfo);
+ GF_REF_PUT(miginfo);
out:
- return ret;
+ return ret;
}
gf_boolean_t
-dht_mig_info_is_invalid (xlator_t *current, xlator_t *src_subvol,
- xlator_t *dst_subvol)
+dht_mig_info_is_invalid(xlator_t *current, xlator_t *src_subvol,
+ xlator_t *dst_subvol)
{
-
-/* Not set
- */
- if (!src_subvol || !dst_subvol)
- return _gf_true;
-
-/* Invalid scenarios:
- * The src_subvol does not match the subvol on which the current op was sent
- * so the cached subvol has changed between the last mig_info_set and now.
- * src_subvol == dst_subvol. The file was migrated without any FOP detecting
- * a P2 so the old dst is now the current subvol.
- *
- * There is still one scenario where the info could be outdated - if
- * file has undergone multiple migrations and ends up on the same src_subvol
- * on which the mig_info was first set.
- */
- if ((current == dst_subvol) || (current != src_subvol))
- return _gf_true;
-
- return _gf_false;
+ /* Not set
+ */
+ if (!src_subvol || !dst_subvol)
+ return _gf_true;
+
+ /* Invalid scenarios:
+ * The src_subvol does not match the subvol on which the current op was sent
+ * so the cached subvol has changed between the last mig_info_set and now.
+ * src_subvol == dst_subvol. The file was migrated without any FOP detecting
+ * a P2 so the old dst is now the current subvol.
+ *
+ * There is still one scenario where the info could be outdated - if
+ * file has undergone multiple migrations and ends up on the same src_subvol
+ * on which the mig_info was first set.
+ */
+ if ((current == dst_subvol) || (current != src_subvol))
+ return _gf_true;
+
+ return _gf_false;
}
-
-
/* Used to check if fd fops have the fd opened on the cached subvol
* This is required when:
* 1. an fd is opened on FILE1 on subvol1
@@ -279,981 +262,974 @@ dht_mig_info_is_invalid (xlator_t *current, xlator_t *src_subvol,
*
*/
-
int
-dht_check_and_open_fd_on_subvol_complete (int ret, call_frame_t *frame,
- void *data)
+dht_check_and_open_fd_on_subvol_complete(int ret, call_frame_t *frame,
+ void *data)
{
- glusterfs_fop_t fop = 0;
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- xlator_t *this = NULL;
- fd_t *fd = NULL;
- int op_errno = -1;
-
- local = frame->local;
- this = frame->this;
- fop = local->fop;
- subvol = local->cached_subvol;
- fd = local->fd;
-
- if (ret) {
- op_errno = local->op_errno;
- goto handle_err;
- }
-
- switch (fop) {
-
+ glusterfs_fop_t fop = 0;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *this = NULL;
+ fd_t *fd = NULL;
+ int op_errno = -1;
+
+ local = frame->local;
+ this = frame->this;
+ fop = local->fop;
+ subvol = local->cached_subvol;
+ fd = local->fd;
+
+ if (ret) {
+ op_errno = local->op_errno;
+ goto handle_err;
+ }
+
+ switch (fop) {
case GF_FOP_WRITE:
- STACK_WIND_COOKIE (frame, dht_writev_cbk, subvol, subvol,
- subvol->fops->writev, fd,
- local->rebalance.vector,
- local->rebalance.count,
- local->rebalance.offset,
- local->rebalance.flags,
- local->rebalance.iobref, local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_writev_cbk, subvol, subvol,
+ subvol->fops->writev, fd, local->rebalance.vector,
+ local->rebalance.count, local->rebalance.offset,
+ local->rebalance.flags, local->rebalance.iobref,
+ local->xattr_req);
+ break;
case GF_FOP_FLUSH:
- STACK_WIND (frame, dht_flush_cbk, subvol,
- subvol->fops->flush, fd, local->xattr_req);
- break;
+ STACK_WIND(frame, dht_flush_cbk, subvol, subvol->fops->flush, fd,
+ local->xattr_req);
+ break;
case GF_FOP_FSETATTR:
- STACK_WIND_COOKIE (frame, dht_file_setattr_cbk, subvol,
- subvol, subvol->fops->fsetattr, fd,
- &local->rebalance.stbuf,
- local->rebalance.flags,
- local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_file_setattr_cbk, subvol, subvol,
+ subvol->fops->fsetattr, fd,
+ &local->rebalance.stbuf, local->rebalance.flags,
+ local->xattr_req);
+ break;
case GF_FOP_ZEROFILL:
- STACK_WIND_COOKIE (frame, dht_zerofill_cbk, subvol, subvol,
- subvol->fops->zerofill, fd,
- local->rebalance.offset,
- local->rebalance.size, local->xattr_req);
+ STACK_WIND_COOKIE(frame, dht_zerofill_cbk, subvol, subvol,
+ subvol->fops->zerofill, fd,
+ local->rebalance.offset, local->rebalance.size,
+ local->xattr_req);
- break;
+ break;
case GF_FOP_DISCARD:
- STACK_WIND_COOKIE (frame, dht_discard_cbk, subvol, subvol,
- subvol->fops->discard, local->fd,
- local->rebalance.offset,
- local->rebalance.size,
- local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_discard_cbk, subvol, subvol,
+ subvol->fops->discard, local->fd,
+ local->rebalance.offset, local->rebalance.size,
+ local->xattr_req);
+ break;
case GF_FOP_FALLOCATE:
- STACK_WIND_COOKIE (frame, dht_fallocate_cbk, subvol, subvol,
- subvol->fops->fallocate, fd,
- local->rebalance.flags,
- local->rebalance.offset,
- local->rebalance.size,
- local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_fallocate_cbk, subvol, subvol,
+ subvol->fops->fallocate, fd,
+ local->rebalance.flags, local->rebalance.offset,
+ local->rebalance.size, local->xattr_req);
+ break;
case GF_FOP_FTRUNCATE:
- STACK_WIND_COOKIE (frame, dht_truncate_cbk, subvol, subvol,
- subvol->fops->ftruncate, fd,
- local->rebalance.offset, local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_truncate_cbk, subvol, subvol,
+ subvol->fops->ftruncate, fd,
+ local->rebalance.offset, local->xattr_req);
+ break;
case GF_FOP_FSYNC:
- STACK_WIND_COOKIE (frame, dht_fsync_cbk, subvol, subvol,
- subvol->fops->fsync, local->fd,
- local->rebalance.flags, local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_fsync_cbk, subvol, subvol,
+ subvol->fops->fsync, local->fd,
+ local->rebalance.flags, local->xattr_req);
+ break;
case GF_FOP_READ:
- STACK_WIND (frame, dht_readv_cbk, subvol, subvol->fops->readv,
- local->fd, local->rebalance.size,
- local->rebalance.offset,
- local->rebalance.flags, local->xattr_req);
- break;
+ STACK_WIND(frame, dht_readv_cbk, subvol, subvol->fops->readv,
+ local->fd, local->rebalance.size,
+ local->rebalance.offset, local->rebalance.flags,
+ local->xattr_req);
+ break;
case GF_FOP_FSTAT:
- STACK_WIND_COOKIE (frame, dht_file_attr_cbk, subvol,
- subvol, subvol->fops->fstat, fd,
- local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_file_attr_cbk, subvol, subvol,
+ subvol->fops->fstat, fd, local->xattr_req);
+ break;
case GF_FOP_FSETXATTR:
- STACK_WIND_COOKIE (frame, dht_file_setxattr_cbk, subvol,
- subvol, subvol->fops->fsetxattr, local->fd,
- local->rebalance.xattr,
- local->rebalance.flags, local->xattr_req);
- break;
+ STACK_WIND_COOKIE(frame, dht_file_setxattr_cbk, subvol, subvol,
+ subvol->fops->fsetxattr, local->fd,
+ local->rebalance.xattr, local->rebalance.flags,
+ local->xattr_req);
+ break;
case GF_FOP_FREMOVEXATTR:
- STACK_WIND_COOKIE (frame, dht_file_removexattr_cbk, subvol,
- subvol, subvol->fops->fremovexattr,
- local->fd, local->key, local->xattr_req);
-
- break;
-
+ STACK_WIND_COOKIE(frame, dht_file_removexattr_cbk, subvol, subvol,
+ subvol->fops->fremovexattr, local->fd, local->key,
+ local->xattr_req);
+
+ break;
+
+ case GF_FOP_FXATTROP:
+ STACK_WIND(frame, dht_common_xattrop_cbk, subvol,
+ subvol->fops->fxattrop, local->fd,
+ local->rebalance.flags, local->rebalance.xattr,
+ local->xattr_req);
+ break;
+
+ case GF_FOP_FGETXATTR:
+ STACK_WIND(frame, dht_getxattr_cbk, subvol, subvol->fops->fgetxattr,
+ local->fd, local->key, NULL);
+ break;
+
+ case GF_FOP_FINODELK:
+ STACK_WIND(frame, dht_finodelk_cbk, subvol, subvol->fops->finodelk,
+ local->key, local->fd, local->rebalance.lock_cmd,
+ &local->rebalance.flock, local->xattr_req);
+ break;
default:
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_UNKNOWN_FOP,
- "Unknown FOP on fd (%p) on file %s @ %s",
- fd, uuid_utoa (fd->inode->gfid),
- subvol->name);
- break;
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_UNKNOWN_FOP, "fd=%p",
+ fd, "gfid=%s", uuid_utoa(fd->inode->gfid), "name=%s",
+ subvol->name, NULL);
+ break;
+ }
- }
+ goto out;
- goto out;
-
- /* Could not open the fd on the dst. Unwind */
+ /* Could not open the fd on the dst. Unwind */
handle_err:
- switch (fop) {
-
+ switch (fop) {
case GF_FOP_WRITE:
- DHT_STACK_UNWIND (writev, frame, -1,
- op_errno, NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(writev, frame, -1, op_errno, NULL, NULL, NULL);
+ break;
case GF_FOP_FLUSH:
- DHT_STACK_UNWIND (flush, frame, -1, op_errno, NULL);
- break;
+ DHT_STACK_UNWIND(flush, frame, -1, op_errno, NULL);
+ break;
case GF_FOP_FSETATTR:
- DHT_STACK_UNWIND (fsetattr, frame, -1, op_errno,
- NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(fsetattr, frame, -1, op_errno, NULL, NULL, NULL);
+ break;
case GF_FOP_ZEROFILL:
- DHT_STACK_UNWIND (zerofill, frame, -1, op_errno,
- NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(zerofill, frame, -1, op_errno, NULL, NULL, NULL);
+ break;
case GF_FOP_DISCARD:
- DHT_STACK_UNWIND (discard, frame, -1, op_errno,
- NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(discard, frame, -1, op_errno, NULL, NULL, NULL);
+ break;
case GF_FOP_FALLOCATE:
- DHT_STACK_UNWIND (fallocate, frame, -1, op_errno,
- NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(fallocate, frame, -1, op_errno, NULL, NULL, NULL);
+ break;
case GF_FOP_FTRUNCATE:
- DHT_STACK_UNWIND (ftruncate, frame, -1, op_errno,
- NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(ftruncate, frame, -1, op_errno, NULL, NULL, NULL);
+ break;
case GF_FOP_FSYNC:
- DHT_STACK_UNWIND (fsync, frame, -1, op_errno, NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(fsync, frame, -1, op_errno, NULL, NULL, NULL);
+ break;
case GF_FOP_READ:
- DHT_STACK_UNWIND (readv, frame, -1, op_errno, NULL,
- 0, NULL, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(readv, frame, -1, op_errno, NULL, 0, NULL, NULL,
+ NULL);
+ break;
case GF_FOP_FSTAT:
- DHT_STACK_UNWIND (fstat, frame, -1, op_errno, NULL, NULL);
- break;
+ DHT_STACK_UNWIND(fstat, frame, -1, op_errno, NULL, NULL);
+ break;
case GF_FOP_FSETXATTR:
- DHT_STACK_UNWIND (fsetxattr, frame, -1, op_errno, NULL);
- break;
+ DHT_STACK_UNWIND(fsetxattr, frame, -1, op_errno, NULL);
+ break;
case GF_FOP_FREMOVEXATTR:
- DHT_STACK_UNWIND (fremovexattr, frame, -1, op_errno, NULL);
- break;
+ DHT_STACK_UNWIND(fremovexattr, frame, -1, op_errno, NULL);
+ break;
+
+ case GF_FOP_FXATTROP:
+ DHT_STACK_UNWIND(fxattrop, frame, -1, op_errno, NULL, NULL);
+ break;
+
+ case GF_FOP_FGETXATTR:
+ DHT_STACK_UNWIND(fgetxattr, frame, -1, op_errno, NULL, NULL);
+ break;
+
+ case GF_FOP_FINODELK:
+ DHT_STACK_UNWIND(finodelk, frame, -1, op_errno, NULL);
+ break;
default:
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_UNKNOWN_FOP,
- "Unknown FOP on fd (%p) on file %s @ %s",
- fd, uuid_utoa (fd->inode->gfid),
- subvol->name);
- break;
- }
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_UNKNOWN_FOP, "fd=%p",
+ fd, "gfid=%s", uuid_utoa(fd->inode->gfid), "name=%s",
+ subvol->name, NULL);
+ break;
+ }
out:
- return 0;
-
+ return 0;
}
-
/* Check once again if the fd has been opened on the cached subvol.
* If not, open and update the fd_ctx.
*/
int
-dht_check_and_open_fd_on_subvol_task (void *data)
+dht_check_and_open_fd_on_subvol_task(void *data)
{
- loc_t loc = {0,};
- int ret = -1;
- call_frame_t *frame = NULL;
- dht_local_t *local = NULL;
- fd_t *fd = NULL;
- xlator_t *this = NULL;
- xlator_t *subvol = NULL;
-
-
- frame = data;
- local = frame->local;
- this = THIS;
- fd = local->fd;
- subvol = local->cached_subvol;
-
- local->fd_checked = _gf_true;
-
- if (fd_is_anonymous (fd) || dht_fd_open_on_dst (this, fd, subvol)) {
- ret = 0;
- goto out;
- }
-
- gf_msg_debug (this->name, 0,
- "Opening fd (%p, flags=0%o) on file %s @ %s",
- fd, fd->flags, uuid_utoa (fd->inode->gfid),
- subvol->name);
-
-
- loc.inode = inode_ref (fd->inode);
- gf_uuid_copy (loc.gfid, fd->inode->gfid);
+ loc_t loc = {
+ 0,
+ };
+ int ret = -1;
+ call_frame_t *frame = NULL;
+ dht_local_t *local = NULL;
+ fd_t *fd = NULL;
+ xlator_t *this = NULL;
+ xlator_t *subvol = NULL;
+
+ frame = data;
+ local = frame->local;
+ this = THIS;
+ fd = local->fd;
+ subvol = local->cached_subvol;
+
+ local->fd_checked = _gf_true;
+
+ if (fd_is_anonymous(fd) || dht_fd_open_on_dst(this, fd, subvol)) {
+ ret = 0;
+ goto out;
+ }
- /* Open this on the dst subvol */
+ gf_msg_debug(this->name, 0, "Opening fd (%p, flags=0%o) on file %s @ %s",
+ fd, fd->flags, uuid_utoa(fd->inode->gfid), subvol->name);
- SYNCTASK_SETID(0, 0);
+ loc.inode = inode_ref(fd->inode);
+ gf_uuid_copy(loc.gfid, fd->inode->gfid);
- ret = syncop_open (subvol, &loc,
- (fd->flags & ~(O_CREAT | O_EXCL | O_TRUNC)),
- fd, NULL, NULL);
+ /* Open this on the dst subvol */
- if (ret < 0) {
+ SYNCTASK_SETID(0, 0);
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_OPEN_FD_ON_DST_FAILED,
- "Failed to open the fd"
- " (%p, flags=0%o) on file %s @ %s",
- fd, fd->flags, uuid_utoa (fd->inode->gfid),
- subvol->name);
- /* This can happen if the cached subvol was updated in the
- * inode_ctx and the fd was opened on the new cached suvol
- * after this fop was wound on the old cached subvol.
- * As we do not close the fd on the old subvol (a leak)
- * don't treat ENOENT as an error and allow the phase1/phase2
- * checks to handle it.
- */
-
- if ((-ret != ENOENT) && (-ret != ESTALE)) {
- local->op_errno = -ret;
- ret = -1;
- } else {
- ret = 0;
- }
+ ret = syncop_open(subvol, &loc, (fd->flags & ~(O_CREAT | O_EXCL | O_TRUNC)),
+ fd, NULL, NULL);
- local->op_errno = -ret;
- ret = -1;
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_OPEN_FD_ON_DST_FAILED,
+ "fd=%p", fd, "flags=0%o", fd->flags, "gfid=%s",
+ uuid_utoa(fd->inode->gfid), "name=%s", subvol->name, NULL);
+ /* This can happen if the cached subvol was updated in the
+ * inode_ctx and the fd was opened on the new cached suvol
+ * after this fop was wound on the old cached subvol.
+ * As we do not close the fd on the old subvol (a leak)
+ * don't treat ENOENT as an error and allow the phase1/phase2
+ * checks to handle it.
+ */
+ if ((-ret != ENOENT) && (-ret != ESTALE)) {
+ local->op_errno = -ret;
+ ret = -1;
} else {
- dht_fd_ctx_set (this, fd, subvol);
+ ret = 0;
}
- SYNCTASK_SETID (frame->root->uid, frame->root->gid);
+ local->op_errno = -ret;
+ ret = -1;
+
+ } else {
+ dht_fd_ctx_set(this, fd, subvol);
+ }
+
+ SYNCTASK_SETID(frame->root->uid, frame->root->gid);
out:
- loc_wipe (&loc);
+ loc_wipe(&loc);
- return ret;
+ return ret;
}
-
int
-dht_check_and_open_fd_on_subvol (xlator_t *this, call_frame_t *frame)
+dht_check_and_open_fd_on_subvol(xlator_t *this, call_frame_t *frame)
{
- int ret = -1;
- dht_local_t *local = NULL;
+ int ret = -1;
+ dht_local_t *local = NULL;
-/*
- if (dht_fd_open_on_dst (this, fd, subvol))
- goto out;
-*/
- local = frame->local;
+ /*
+ if (dht_fd_open_on_dst (this, fd, subvol))
+ goto out;
+ */
+ local = frame->local;
- ret = synctask_new (this->ctx->env,
- dht_check_and_open_fd_on_subvol_task,
- dht_check_and_open_fd_on_subvol_complete,
- frame, frame);
+ ret = synctask_new(this->ctx->env, dht_check_and_open_fd_on_subvol_task,
+ dht_check_and_open_fd_on_subvol_complete, frame, frame);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0, 0,
- "Failed to create synctask"
- " to check and open fd=%p", local->fd);
- }
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SYNCTASK_CREATE_FAILED,
+ "to-check-and-open fd=%p", local->fd, NULL);
+ }
- return ret;
+ return ret;
}
-
-
int
-dht_frame_return (call_frame_t *frame)
+dht_frame_return(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- int this_call_cnt = -1;
+ dht_local_t *local = NULL;
+ int this_call_cnt = -1;
- if (!frame)
- return -1;
+ if (!frame)
+ return -1;
- local = frame->local;
+ local = frame->local;
- LOCK (&frame->lock);
- {
- this_call_cnt = --local->call_cnt;
- }
- UNLOCK (&frame->lock);
+ LOCK(&frame->lock);
+ {
+ this_call_cnt = --local->call_cnt;
+ }
+ UNLOCK(&frame->lock);
- return this_call_cnt;
+ return this_call_cnt;
}
+/*
+ * Use this function to specify which subvol you want the file created
+ * on - this need not be the hashed subvol.
+ * Format: <filename>@<this->name>:<subvol-name>
+ * Eg: file-1@vol1-dht:vol1-client-0
+ * where vol1 is a pure distribute volume
+ * will create file-1 on vol1-client-0
+ */
int
-dht_filter_loc_subvol_key (xlator_t *this, loc_t *loc, loc_t *new_loc,
- xlator_t **subvol)
+dht_filter_loc_subvol_key(xlator_t *this, loc_t *loc, loc_t *new_loc,
+ xlator_t **subvol)
{
- char *new_name = NULL;
- char *new_path = NULL;
- xlator_list_t *trav = NULL;
- char key[1024] = {0,};
- int ret = 0; /* not found */
-
- /* Why do other tasks if first required 'char' itself is not there */
- if (!new_loc || !loc || !loc->name || !strchr (loc->name, '@')) {
- /* Skip the GF_FREE checks here */
- return ret;
- }
-
- trav = this->children;
- while (trav) {
- snprintf (key, 1024, "*@%s:%s", this->name, trav->xlator->name);
- if (fnmatch (key, loc->name, FNM_NOESCAPE) == 0) {
- new_name = GF_CALLOC(strlen (loc->name),
- sizeof (char),
- gf_common_mt_char);
- if (!new_name)
- goto out;
- if (fnmatch (key, loc->path, FNM_NOESCAPE) == 0) {
- new_path = GF_CALLOC(strlen (loc->path),
- sizeof (char),
- gf_common_mt_char);
- if (!new_path)
- goto out;
- strncpy (new_path, loc->path, (strlen (loc->path) -
- strlen (key) + 1));
- }
- strncpy (new_name, loc->name, (strlen (loc->name) -
- strlen (key) + 1));
-
- if (new_loc) {
- new_loc->path = ((new_path) ? new_path:
- gf_strdup (loc->path));
- new_loc->name = new_name;
- new_loc->inode = inode_ref (loc->inode);
- new_loc->parent = inode_ref (loc->parent);
- }
- *subvol = trav->xlator;
- ret = 1; /* success */
- goto out;
- }
- trav = trav->next;
- }
-out:
- if (!ret) {
- /* !success */
- GF_FREE (new_path);
- GF_FREE (new_name);
- }
+ char *new_name = NULL;
+ char *new_path = NULL;
+ xlator_list_t *trav = NULL;
+ char key[1024] = {
+ 0,
+ };
+ int ret = 0; /* not found */
+ int keylen = 0;
+ int name_len = 0;
+ int path_len = 0;
+
+ /* Why do other tasks if first required 'char' itself is not there */
+ if (!new_loc || !loc || !loc->name || !strchr(loc->name, '@')) {
+ /* Skip the GF_FREE checks here */
return ret;
+ }
+
+ trav = this->children;
+ while (trav) {
+ keylen = snprintf(key, sizeof(key), "*@%s:%s", this->name,
+ trav->xlator->name);
+ /* Ignore '*' */
+ keylen = keylen - 1;
+ if (fnmatch(key, loc->name, FNM_NOESCAPE) == 0) {
+ name_len = strlen(loc->name) - keylen;
+ new_name = GF_MALLOC(name_len + 1, gf_common_mt_char);
+ if (!new_name)
+ goto out;
+ if (fnmatch(key, loc->path, FNM_NOESCAPE) == 0) {
+ path_len = strlen(loc->path) - keylen;
+ new_path = GF_MALLOC(path_len + 1, gf_common_mt_char);
+ if (!new_path)
+ goto out;
+ snprintf(new_path, path_len + 1, "%s", loc->path);
+ }
+ snprintf(new_name, name_len + 1, "%s", loc->name);
+
+ if (new_loc) {
+ new_loc->path = ((new_path) ? new_path : gf_strdup(loc->path));
+ new_loc->name = new_name;
+ new_loc->inode = inode_ref(loc->inode);
+ new_loc->parent = inode_ref(loc->parent);
+ }
+ *subvol = trav->xlator;
+ ret = 1; /* success */
+ goto out;
+ }
+ trav = trav->next;
+ }
+out:
+ if (!ret) {
+ /* !success */
+ GF_FREE(new_path);
+ GF_FREE(new_name);
+ }
+ return ret;
}
static xlator_t *
dht_get_subvol_from_id(xlator_t *this, int client_id)
{
- xlator_t *xl = NULL;
- dht_conf_t *conf = NULL;
- char *sid = NULL;
- int32_t ret = -1;
-
- conf = this->private;
-
- ret = gf_asprintf(&sid, "%d", client_id);
- if (ret == -1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_ASPRINTF_FAILED, "asprintf failed while "
- "fetching subvol from the id");
- goto out;
- }
+ xlator_t *xl = NULL;
+ dht_conf_t *conf = NULL;
+ char *sid = NULL;
+ int32_t ret = -1;
- if (dict_get_ptr(conf->leaf_to_subvol, sid, (void **) &xl))
- xl = NULL;
+ conf = this->private;
- GF_FREE (sid);
+ ret = gf_asprintf(&sid, "%d", client_id);
+ if (ret == -1) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_ASPRINTF_FAILED, NULL);
+ goto out;
+ }
-out:
- return xl;
+ if (dict_get_ptr(conf->leaf_to_subvol, sid, (void **)&xl))
+ xl = NULL;
+
+ GF_FREE(sid);
+out:
+ return xl;
}
int
-dht_deitransform (xlator_t *this, uint64_t y, xlator_t **subvol_p)
+dht_deitransform(xlator_t *this, uint64_t y, xlator_t **subvol_p)
{
- int client_id = 0;
- xlator_t *subvol = 0;
- dht_conf_t *conf = NULL;
+ int client_id = 0;
+ xlator_t *subvol = 0;
+ dht_conf_t *conf = NULL;
- if (!this->private)
- return -1;
+ if (!this->private)
+ return -1;
- conf = this->private;
+ conf = this->private;
- client_id = gf_deitransform(this, y);
+ client_id = gf_deitransform(this, y);
- subvol = dht_get_subvol_from_id(this, client_id);
+ subvol = dht_get_subvol_from_id(this, client_id);
- if (!subvol)
- subvol = conf->subvolumes[0];
+ if (!subvol)
+ subvol = conf->subvolumes[0];
- if (subvol_p)
- *subvol_p = subvol;
+ if (subvol_p)
+ *subvol_p = subvol;
- return 0;
+ return 0;
}
void
-dht_local_wipe (xlator_t *this, dht_local_t *local)
+dht_local_wipe(xlator_t *this, dht_local_t *local)
{
- int i = 0;
+ int i = 0;
- if (!local)
- return;
+ if (!local)
+ return;
- loc_wipe (&local->loc);
- loc_wipe (&local->loc2);
- loc_wipe (&local->loc2_copy);
+ loc_wipe(&local->loc);
+ loc_wipe(&local->loc2);
+ loc_wipe(&local->loc2_copy);
- if (local->xattr)
- dict_unref (local->xattr);
+ if (local->xattr)
+ dict_unref(local->xattr);
- if (local->inode)
- inode_unref (local->inode);
+ if (local->inode)
+ inode_unref(local->inode);
- if (local->layout) {
- dht_layout_unref (this, local->layout);
- local->layout = NULL;
- }
+ if (local->layout) {
+ dht_layout_unref(this, local->layout);
+ local->layout = NULL;
+ }
- loc_wipe (&local->linkfile.loc);
+ loc_wipe(&local->linkfile.loc);
- if (local->linkfile.xattr)
- dict_unref (local->linkfile.xattr);
+ if (local->linkfile.xattr)
+ dict_unref(local->linkfile.xattr);
- if (local->linkfile.inode)
- inode_unref (local->linkfile.inode);
+ if (local->linkfile.inode)
+ inode_unref(local->linkfile.inode);
- if (local->fd) {
- fd_unref (local->fd);
- local->fd = NULL;
- }
+ if (local->fd) {
+ fd_unref(local->fd);
+ local->fd = NULL;
+ }
- if (local->params) {
- dict_unref (local->params);
- local->params = NULL;
- }
+ if (local->params) {
+ dict_unref(local->params);
+ local->params = NULL;
+ }
- if (local->xattr_req)
- dict_unref (local->xattr_req);
- if (local->mds_xattr)
- dict_unref (local->mds_xattr);
- if (local->xdata)
- dict_unref (local->xdata);
+ if (local->xattr_req)
+ dict_unref(local->xattr_req);
+ if (local->mds_xattr)
+ dict_unref(local->mds_xattr);
+ if (local->xdata)
+ dict_unref(local->xdata);
- if (local->selfheal.layout) {
- dht_layout_unref (this, local->selfheal.layout);
- local->selfheal.layout = NULL;
- }
+ if (local->selfheal.layout) {
+ dht_layout_unref(this, local->selfheal.layout);
+ local->selfheal.layout = NULL;
+ }
- if (local->selfheal.refreshed_layout) {
- dht_layout_unref (this, local->selfheal.refreshed_layout);
- local->selfheal.refreshed_layout = NULL;
- }
+ if (local->selfheal.refreshed_layout) {
+ dht_layout_unref(this, local->selfheal.refreshed_layout);
+ local->selfheal.refreshed_layout = NULL;
+ }
- for (i = 0; i < 2; i++) {
- dht_lock_array_free (local->lock[i].ns.parent_layout.locks,
- local->lock[i].ns.parent_layout.lk_count);
+ for (i = 0; i < 2; i++) {
+ dht_lock_array_free(local->lock[i].ns.parent_layout.locks,
+ local->lock[i].ns.parent_layout.lk_count);
- GF_FREE (local->lock[i].ns.parent_layout.locks);
+ GF_FREE(local->lock[i].ns.parent_layout.locks);
- dht_lock_array_free (local->lock[i].ns.directory_ns.locks,
- local->lock[i].ns.directory_ns.lk_count);
- GF_FREE (local->lock[i].ns.directory_ns.locks);
- }
+ dht_lock_array_free(local->lock[i].ns.directory_ns.locks,
+ local->lock[i].ns.directory_ns.lk_count);
+ GF_FREE(local->lock[i].ns.directory_ns.locks);
+ }
- GF_FREE (local->key);
+ GF_FREE(local->key);
- if (local->rebalance.xdata)
- dict_unref (local->rebalance.xdata);
+ if (local->rebalance.xdata)
+ dict_unref(local->rebalance.xdata);
- if (local->rebalance.xattr)
- dict_unref (local->rebalance.xattr);
+ if (local->rebalance.xattr)
+ dict_unref(local->rebalance.xattr);
- if (local->rebalance.dict)
- dict_unref (local->rebalance.dict);
+ if (local->rebalance.dict)
+ dict_unref(local->rebalance.dict);
- GF_FREE (local->rebalance.vector);
+ GF_FREE(local->rebalance.vector);
- if (local->rebalance.iobref)
- iobref_unref (local->rebalance.iobref);
+ if (local->rebalance.iobref)
+ iobref_unref(local->rebalance.iobref);
- if (local->stub) {
- call_stub_destroy (local->stub);
- local->stub = NULL;
- }
+ if (local->stub) {
+ call_stub_destroy(local->stub);
+ local->stub = NULL;
+ }
- if (local->ret_cache)
- GF_FREE (local->ret_cache);
+ if (local->ret_cache)
+ GF_FREE(local->ret_cache);
- mem_put (local);
+ mem_put(local);
}
-
dht_local_t *
-dht_local_init (call_frame_t *frame, loc_t *loc, fd_t *fd, glusterfs_fop_t fop)
+dht_local_init(call_frame_t *frame, loc_t *loc, fd_t *fd, glusterfs_fop_t fop)
{
- dht_local_t *local = NULL;
- inode_t *inode = NULL;
- int ret = 0;
+ dht_local_t *local = NULL;
+ inode_t *inode = NULL;
+ int ret = 0;
- local = mem_get0 (THIS->local_pool);
- if (!local)
- goto out;
+ local = mem_get0(THIS->local_pool);
+ if (!local)
+ goto out;
- if (loc) {
- ret = loc_copy (&local->loc, loc);
- if (ret)
- goto out;
+ if (loc) {
+ ret = loc_copy(&local->loc, loc);
+ if (ret)
+ goto out;
- inode = loc->inode;
- }
+ inode = loc->inode;
+ }
- if (fd) {
- local->fd = fd_ref (fd);
- if (!inode)
- inode = fd->inode;
- }
+ if (fd) {
+ local->fd = fd_ref(fd);
+ if (!inode)
+ inode = fd->inode;
+ }
- local->op_ret = -1;
- local->op_errno = EUCLEAN;
- local->fop = fop;
+ local->op_ret = -1;
+ local->op_errno = EUCLEAN;
+ local->fop = fop;
- if (inode) {
- local->layout = dht_layout_get (frame->this, inode);
- local->cached_subvol = dht_subvol_get_cached (frame->this,
- inode);
- }
+ if (inode) {
+ local->layout = dht_layout_get(frame->this, inode);
+ local->cached_subvol = dht_subvol_get_cached(frame->this, inode);
+ }
- frame->local = local;
+ frame->local = local;
out:
- if (ret) {
- if (local)
- mem_put (local);
- local = NULL;
- }
- return local;
+ if (ret) {
+ if (local)
+ mem_put(local);
+ local = NULL;
+ }
+ return local;
}
xlator_t *
-dht_first_up_subvol (xlator_t *this)
+dht_first_up_subvol(xlator_t *this)
{
- dht_conf_t *conf = NULL;
- xlator_t *child = NULL;
- int i = 0;
- time_t time = 0;
+ dht_conf_t *conf = NULL;
+ xlator_t *child = NULL;
+ int i = 0;
+ time_t time = 0;
- conf = this->private;
- if (!conf)
- goto out;
+ conf = this->private;
+ if (!conf)
+ goto out;
- LOCK (&conf->subvolume_lock);
- {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvol_up_time[i]) {
- if (!time) {
- time = conf->subvol_up_time[i];
- child = conf->subvolumes[i];
- } else if (time > conf->subvol_up_time[i]) {
- time = conf->subvol_up_time[i];
- child = conf->subvolumes[i];
- }
- }
+ LOCK(&conf->subvolume_lock);
+ {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvol_up_time[i]) {
+ if (!time) {
+ time = conf->subvol_up_time[i];
+ child = conf->subvolumes[i];
+ } else if (time > conf->subvol_up_time[i]) {
+ time = conf->subvol_up_time[i];
+ child = conf->subvolumes[i];
}
+ }
}
- UNLOCK (&conf->subvolume_lock);
+ }
+ UNLOCK(&conf->subvolume_lock);
out:
- return child;
+ return child;
}
xlator_t *
-dht_last_up_subvol (xlator_t *this)
+dht_last_up_subvol(xlator_t *this)
{
- dht_conf_t *conf = NULL;
- xlator_t *child = NULL;
- int i = 0;
+ dht_conf_t *conf = NULL;
+ xlator_t *child = NULL;
+ int i = 0;
- conf = this->private;
- if (!conf)
- goto out;
+ conf = this->private;
+ if (!conf)
+ goto out;
- LOCK (&conf->subvolume_lock);
- {
- for (i = conf->subvolume_cnt-1; i >= 0; i--) {
- if (conf->subvolume_status[i]) {
- child = conf->subvolumes[i];
- break;
- }
- }
+ LOCK(&conf->subvolume_lock);
+ {
+ for (i = conf->subvolume_cnt - 1; i >= 0; i--) {
+ if (conf->subvolume_status[i]) {
+ child = conf->subvolumes[i];
+ break;
+ }
}
- UNLOCK (&conf->subvolume_lock);
+ }
+ UNLOCK(&conf->subvolume_lock);
out:
- return child;
+ return child;
}
xlator_t *
-dht_subvol_get_hashed (xlator_t *this, loc_t *loc)
+dht_subvol_get_hashed(xlator_t *this, loc_t *loc)
{
- dht_layout_t *layout = NULL;
- xlator_t *subvol = NULL;
- dht_conf_t *conf = NULL;
- dht_methods_t *methods = NULL;
+ dht_layout_t *layout = NULL;
+ xlator_t *subvol = NULL;
+ dht_conf_t *conf = NULL;
+ dht_methods_t *methods = NULL;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, loc, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, loc, out);
- conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, out);
+ conf = this->private;
+ GF_VALIDATE_OR_GOTO(this->name, conf, out);
- methods = &(conf->methods);
+ methods = &(conf->methods);
- if (__is_root_gfid (loc->gfid)) {
- subvol = dht_first_up_subvol (this);
- goto out;
- }
+ if (__is_root_gfid(loc->gfid)) {
+ subvol = dht_first_up_subvol(this);
+ goto out;
+ }
- GF_VALIDATE_OR_GOTO (this->name, loc->parent, out);
- GF_VALIDATE_OR_GOTO (this->name, loc->name, out);
+ GF_VALIDATE_OR_GOTO(this->name, loc->parent, out);
+ GF_VALIDATE_OR_GOTO(this->name, loc->name, out);
- layout = dht_layout_get (this, loc->parent);
+ layout = dht_layout_get(this, loc->parent);
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "Missing layout. path=%s, parent gfid =%s",
- loc->path, uuid_utoa (loc->parent->gfid));
- goto out;
- }
+ if (!layout) {
+ gf_msg_debug(this->name, 0, "Missing layout. path=%s, parent gfid =%s",
+ loc->path, uuid_utoa(loc->parent->gfid));
+ goto out;
+ }
- subvol = methods->layout_search (this, layout, loc->name);
+ subvol = methods->layout_search(this, layout, loc->name);
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "No hashed subvolume for path=%s",
- loc->path);
- goto out;
- }
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "No hashed subvolume for path=%s",
+ loc->path);
+ goto out;
+ }
out:
- if (layout) {
- dht_layout_unref (this, layout);
- }
+ if (layout) {
+ dht_layout_unref(this, layout);
+ }
- return subvol;
+ return subvol;
}
-
xlator_t *
-dht_subvol_get_cached (xlator_t *this, inode_t *inode)
+dht_subvol_get_cached(xlator_t *this, inode_t *inode)
{
- dht_layout_t *layout = NULL;
- xlator_t *subvol = NULL;
+ dht_layout_t *layout = NULL;
+ xlator_t *subvol = NULL;
- GF_VALIDATE_OR_GOTO (this->name, this, out);
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- layout = dht_layout_get (this, inode);
+ layout = dht_layout_get(this, inode);
- if (!layout) {
- goto out;
- }
+ if (!layout) {
+ goto out;
+ }
- subvol = layout->list[0].xlator;
+ subvol = layout->list[0].xlator;
out:
- if (layout) {
- dht_layout_unref (this, layout);
- }
+ if (layout) {
+ dht_layout_unref(this, layout);
+ }
- return subvol;
+ return subvol;
}
-
xlator_t *
-dht_subvol_next (xlator_t *this, xlator_t *prev)
+dht_subvol_next(xlator_t *this, xlator_t *prev)
{
- dht_conf_t *conf = NULL;
- int i = 0;
- xlator_t *next = NULL;
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ xlator_t *next = NULL;
- conf = this->private;
- if (!conf)
- goto out;
+ conf = this->private;
+ if (!conf)
+ goto out;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == prev) {
- if ((i + 1) < conf->subvolume_cnt)
- next = conf->subvolumes[i + 1];
- break;
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == prev) {
+ if ((i + 1) < conf->subvolume_cnt)
+ next = conf->subvolumes[i + 1];
+ break;
}
+ }
out:
- return next;
+ return next;
}
/* This func wraps around, if prev is actually the last subvol.
*/
xlator_t *
-dht_subvol_next_available (xlator_t *this, xlator_t *prev)
+dht_subvol_next_available(xlator_t *this, xlator_t *prev)
{
- dht_conf_t *conf = NULL;
- int i = 0;
- xlator_t *next = NULL;
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ xlator_t *next = NULL;
- conf = this->private;
- if (!conf)
- goto out;
+ conf = this->private;
+ if (!conf)
+ goto out;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == prev) {
- /* if prev is last in conf->subvolumes, then wrap
- * around.
- */
- if ((i + 1) < conf->subvolume_cnt) {
- next = conf->subvolumes[i + 1];
- } else {
- next = conf->subvolumes[0];
- }
- break;
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == prev) {
+ /* if prev is last in conf->subvolumes, then wrap
+ * around.
+ */
+ if ((i + 1) < conf->subvolume_cnt) {
+ next = conf->subvolumes[i + 1];
+ } else {
+ next = conf->subvolumes[0];
+ }
+ break;
}
+ }
out:
- return next;
+ return next;
}
int
-dht_subvol_cnt (xlator_t *this, xlator_t *subvol)
+dht_subvol_cnt(xlator_t *this, xlator_t *subvol)
{
- int i = 0;
- int ret = -1;
- dht_conf_t *conf = NULL;
+ int i = 0;
+ int ret = -1;
+ dht_conf_t *conf = NULL;
- conf = this->private;
- if (!conf)
- goto out;
+ conf = this->private;
+ if (!conf)
+ goto out;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (subvol == conf->subvolumes[i]) {
- ret = i;
- break;
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (subvol == conf->subvolumes[i]) {
+ ret = i;
+ break;
}
+ }
out:
- return ret;
+ return ret;
}
+#define set_if_greater(a, b) \
+ do { \
+ if ((a) < (b)) \
+ (a) = (b); \
+ } while (0)
-#define set_if_greater(a, b) do { \
- if ((a) < (b)) \
- (a) = (b); \
- } while (0)
-
-
-#define set_if_greater_time(a, an, b, bn) do { \
- if (((a) < (b)) || (((a) == (b)) && ((an) < (bn)))){ \
- (a) = (b); \
- (an) = (bn); \
- } \
- } while (0) \
-
+#define set_if_greater_time(a, an, b, bn) \
+ do { \
+ if (((a) < (b)) || (((a) == (b)) && ((an) < (bn)))) { \
+ (a) = (b); \
+ (an) = (bn); \
+ } \
+ } while (0)
int
-dht_iatt_merge (xlator_t *this, struct iatt *to, struct iatt *from)
+dht_iatt_merge(xlator_t *this, struct iatt *to, struct iatt *from)
{
- if (!from || !to)
- return 0;
-
- to->ia_dev = from->ia_dev;
-
- gf_uuid_copy (to->ia_gfid, from->ia_gfid);
-
- to->ia_ino = from->ia_ino;
- to->ia_prot = from->ia_prot;
- to->ia_type = from->ia_type;
- to->ia_nlink = from->ia_nlink;
- to->ia_rdev = from->ia_rdev;
- to->ia_size += from->ia_size;
- to->ia_blksize = from->ia_blksize;
- to->ia_blocks += from->ia_blocks;
-
- if (IA_ISDIR (from->ia_type)) {
- to->ia_blocks = DHT_DIR_STAT_BLOCKS;
- to->ia_size = DHT_DIR_STAT_SIZE;
- }
- set_if_greater (to->ia_uid, from->ia_uid);
- set_if_greater (to->ia_gid, from->ia_gid);
-
- set_if_greater_time(to->ia_atime, to->ia_atime_nsec,
- from->ia_atime, from->ia_atime_nsec);
- set_if_greater_time (to->ia_mtime, to->ia_mtime_nsec,
- from->ia_mtime, from->ia_mtime_nsec);
- set_if_greater_time (to->ia_ctime, to->ia_ctime_nsec,
- from->ia_ctime, from->ia_ctime_nsec);
-
+ if (!from || !to)
return 0;
+
+ to->ia_dev = from->ia_dev;
+
+ gf_uuid_copy(to->ia_gfid, from->ia_gfid);
+
+ to->ia_ino = from->ia_ino;
+ to->ia_prot = from->ia_prot;
+ to->ia_type = from->ia_type;
+ to->ia_nlink = from->ia_nlink;
+ to->ia_rdev = from->ia_rdev;
+ to->ia_size += from->ia_size;
+ to->ia_blksize = from->ia_blksize;
+ to->ia_blocks += from->ia_blocks;
+
+ if (IA_ISDIR(from->ia_type)) {
+ to->ia_blocks = DHT_DIR_STAT_BLOCKS;
+ to->ia_size = DHT_DIR_STAT_SIZE;
+ }
+ set_if_greater(to->ia_uid, from->ia_uid);
+ set_if_greater(to->ia_gid, from->ia_gid);
+
+ set_if_greater_time(to->ia_atime, to->ia_atime_nsec, from->ia_atime,
+ from->ia_atime_nsec);
+ set_if_greater_time(to->ia_mtime, to->ia_mtime_nsec, from->ia_mtime,
+ from->ia_mtime_nsec);
+ set_if_greater_time(to->ia_ctime, to->ia_ctime_nsec, from->ia_ctime,
+ from->ia_ctime_nsec);
+
+ return 0;
}
int
-dht_build_child_loc (xlator_t *this, loc_t *child, loc_t *parent, char *name)
+dht_build_child_loc(xlator_t *this, loc_t *child, loc_t *parent, char *name)
{
- if (!child) {
- goto err;
- }
+ if (!child) {
+ goto err;
+ }
- if (strcmp (parent->path, "/") == 0)
- gf_asprintf ((char **)&child->path, "/%s", name);
- else
- gf_asprintf ((char **)&child->path, "%s/%s", parent->path, name);
+ if (strcmp(parent->path, "/") == 0)
+ gf_asprintf((char **)&child->path, "/%s", name);
+ else
+ gf_asprintf((char **)&child->path, "%s/%s", parent->path, name);
- if (!child->path) {
- goto err;
- }
+ if (!child->path) {
+ goto err;
+ }
- child->name = strrchr (child->path, '/');
- if (child->name)
- child->name++;
+ child->name = strrchr(child->path, '/');
+ if (child->name)
+ child->name++;
- child->parent = inode_ref (parent->inode);
- child->inode = inode_new (parent->inode->table);
+ child->parent = inode_ref(parent->inode);
+ child->inode = inode_new(parent->inode->table);
- if (!child->inode) {
- goto err;
- }
+ if (!child->inode) {
+ goto err;
+ }
- return 0;
+ return 0;
err:
- if (child) {
- loc_wipe (child);
- }
- return -1;
+ if (child) {
+ loc_wipe(child);
+ }
+ return -1;
}
int
-dht_init_local_subvolumes (xlator_t *this, dht_conf_t *conf)
+dht_init_local_subvolumes(xlator_t *this, dht_conf_t *conf)
{
- xlator_list_t *subvols = NULL;
- int cnt = 0;
+ xlator_list_t *subvols = NULL;
+ int cnt = 0;
- if (!conf)
- return -1;
+ if (!conf)
+ return -1;
- for (subvols = this->children; subvols; subvols = subvols->next)
- cnt++;
+ for (subvols = this->children; subvols; subvols = subvols->next)
+ cnt++;
- conf->local_subvols = GF_CALLOC (cnt, sizeof (xlator_t *),
- gf_dht_mt_xlator_t);
+ conf->local_subvols = GF_CALLOC(cnt, sizeof(xlator_t *),
+ gf_dht_mt_xlator_t);
- /* FIX FIX : do this dynamically*/
- conf->local_nodeuuids = GF_CALLOC (cnt,
- sizeof (subvol_nodeuuids_info_t),
- gf_dht_nodeuuids_t);
+ /* FIX FIX : do this dynamically*/
+ conf->local_nodeuuids = GF_CALLOC(cnt, sizeof(subvol_nodeuuids_info_t),
+ gf_dht_nodeuuids_t);
- if (!conf->local_subvols || !conf->local_nodeuuids) {
- return -1;
- }
+ if (!conf->local_subvols || !conf->local_nodeuuids) {
+ return -1;
+ }
- conf->local_subvols_cnt = 0;
+ conf->local_subvols_cnt = 0;
- return 0;
+ return 0;
}
int
-dht_init_subvolumes (xlator_t *this, dht_conf_t *conf)
+dht_init_subvolumes(xlator_t *this, dht_conf_t *conf)
{
- xlator_list_t *subvols = NULL;
- int cnt = 0;
+ xlator_list_t *subvols = NULL;
+ int cnt = 0;
- if (!conf)
- return -1;
+ if (!conf)
+ return -1;
- for (subvols = this->children; subvols; subvols = subvols->next)
- cnt++;
+ for (subvols = this->children; subvols; subvols = subvols->next)
+ cnt++;
- conf->subvolumes = GF_CALLOC (cnt, sizeof (xlator_t *),
- gf_dht_mt_xlator_t);
- if (!conf->subvolumes) {
- return -1;
- }
- conf->subvolume_cnt = cnt;
+ conf->subvolumes = GF_CALLOC(cnt, sizeof(xlator_t *), gf_dht_mt_xlator_t);
+ if (!conf->subvolumes) {
+ return -1;
+ }
+ conf->subvolume_cnt = cnt;
+ /* Doesn't make sense to do any dht layer tasks
+ if the subvol count is 1. Set it as pass_through */
+ if (cnt == 1)
+ this->pass_through = _gf_true;
- conf->local_subvols_cnt = 0;
+ conf->local_subvols_cnt = 0;
- dht_set_subvol_range(this);
+ dht_set_subvol_range(this);
- cnt = 0;
- for (subvols = this->children; subvols; subvols = subvols->next)
- conf->subvolumes[cnt++] = subvols->xlator;
+ cnt = 0;
+ for (subvols = this->children; subvols; subvols = subvols->next)
+ conf->subvolumes[cnt++] = subvols->xlator;
- conf->subvolume_status = GF_CALLOC (cnt, sizeof (char),
- gf_dht_mt_char);
- if (!conf->subvolume_status) {
- return -1;
- }
+ conf->subvolume_status = GF_CALLOC(cnt, sizeof(char), gf_dht_mt_char);
+ if (!conf->subvolume_status) {
+ return -1;
+ }
- conf->last_event = GF_CALLOC (cnt, sizeof (int),
- gf_dht_mt_char);
- if (!conf->last_event) {
- return -1;
- }
+ conf->last_event = GF_CALLOC(cnt, sizeof(int), gf_dht_mt_char);
+ if (!conf->last_event) {
+ return -1;
+ }
- conf->subvol_up_time = GF_CALLOC (cnt, sizeof (time_t),
- gf_dht_mt_subvol_time);
- if (!conf->subvol_up_time) {
- return -1;
- }
+ conf->subvol_up_time = GF_CALLOC(cnt, sizeof(time_t),
+ gf_dht_mt_subvol_time);
+ if (!conf->subvol_up_time) {
+ return -1;
+ }
- conf->du_stats = GF_CALLOC (conf->subvolume_cnt, sizeof (dht_du_t),
- gf_dht_mt_dht_du_t);
- if (!conf->du_stats) {
- return -1;
- }
+ conf->du_stats = GF_CALLOC(conf->subvolume_cnt, sizeof(dht_du_t),
+ gf_dht_mt_dht_du_t);
+ if (!conf->du_stats) {
+ return -1;
+ }
- conf->decommissioned_bricks = GF_CALLOC (cnt, sizeof (xlator_t *),
- gf_dht_mt_xlator_t);
- if (!conf->decommissioned_bricks) {
- return -1;
- }
+ conf->decommissioned_bricks = GF_CALLOC(cnt, sizeof(xlator_t *),
+ gf_dht_mt_xlator_t);
+ if (!conf->decommissioned_bricks) {
+ return -1;
+ }
- return 0;
+ return 0;
}
-
/*
op_ret values :
0 : Success.
@@ -1262,270 +1238,274 @@ dht_init_subvolumes (xlator_t *this, dht_conf_t *conf)
*/
static int
-dht_migration_complete_check_done (int op_ret, call_frame_t *frame, void *data)
+dht_migration_complete_check_done(int op_ret, call_frame_t *frame, void *data)
{
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret != 0)
- goto out;
+ if (op_ret != 0)
+ goto out;
- if (local->cached_subvol == NULL) {
- local->op_errno = EINVAL;
- goto out;
- }
+ if (local->cached_subvol == NULL) {
+ local->op_errno = EINVAL;
+ goto out;
+ }
- subvol = local->cached_subvol;
+ subvol = local->cached_subvol;
out:
- local->rebalance.target_op_fn (THIS, subvol, frame, op_ret);
+ local->rebalance.target_op_fn(THIS, subvol, frame, op_ret);
- return 0;
+ return 0;
}
-
int
-dht_migration_complete_check_task (void *data)
+dht_migration_complete_check_task(void *data)
{
- int ret = -1;
- xlator_t *src_node = NULL;
- xlator_t *dst_node = NULL, *linkto_target = NULL;
- dht_local_t *local = NULL;
- dict_t *dict = NULL;
- struct iatt stbuf = {0,};
- xlator_t *this = NULL;
- call_frame_t *frame = NULL;
- loc_t tmp_loc = {0,};
- char *path = NULL;
- dht_conf_t *conf = NULL;
- inode_t *inode = NULL;
- fd_t *iter_fd = NULL;
- fd_t *tmp = NULL;
- uint64_t tmp_miginfo = 0;
- dht_migrate_info_t *miginfo = NULL;
- int open_failed = 0;
-
- this = THIS;
- frame = data;
- local = frame->local;
- conf = this->private;
-
- src_node = local->cached_subvol;
-
- if (!local->loc.inode && !local->fd) {
- local->op_errno = EINVAL;
- goto out;
- }
-
- inode = (!local->fd) ? local->loc.inode : local->fd->inode;
-
- /* getxattr on cached_subvol for 'linkto' value. Do path based getxattr
- * as root:root. If a fd is already open, access check won't be done*/
-
- if (!local->loc.inode) {
- ret = syncop_fgetxattr (src_node, local->fd, &dict,
- conf->link_xattr_name, NULL, NULL);
- } else {
- SYNCTASK_SETID (0, 0);
- ret = syncop_getxattr (src_node, &local->loc, &dict,
- conf->link_xattr_name, NULL, NULL);
- SYNCTASK_SETID (frame->root->uid, frame->root->gid);
- }
-
-
- /*
- * Each DHT xlator layer has its own name for the linkto xattr.
- * If the file mode bits indicate the the file is being migrated but
- * this layer's linkto xattr is not set, it means that another
- * DHT layer is migrating the file. In this case, return 1 so
- * the mode bits can be passed on to the higher layer for appropriate
- * action.
- */
- if (-ret == ENODATA) {
- /* This DHT translator is not migrating this file */
-
- ret = inode_ctx_reset1 (inode, this, &tmp_miginfo);
- if (tmp_miginfo) {
-
- /* This can be a problem if the file was
- * migrated by two different layers. Raise
- * a warning here.
- */
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_HAS_MIGINFO,
- "%s: Found miginfo in the inode ctx",
- tmp_loc.path ? tmp_loc.path :
- uuid_utoa (tmp_loc.gfid));
-
- miginfo = (void *)tmp_miginfo;
- GF_REF_PUT (miginfo);
- }
- ret = 1;
- goto out;
- }
+ int ret = -1;
+ xlator_t *src_node = NULL;
+ xlator_t *dst_node = NULL, *linkto_target = NULL;
+ dht_local_t *local = NULL;
+ dict_t *dict = NULL;
+ struct iatt stbuf = {
+ 0,
+ };
+ xlator_t *this = NULL;
+ call_frame_t *frame = NULL;
+ loc_t tmp_loc = {
+ 0,
+ };
+ char *path = NULL;
+ dht_conf_t *conf = NULL;
+ inode_t *inode = NULL;
+ fd_t *iter_fd = NULL;
+ fd_t *tmp = NULL;
+ uint64_t tmp_miginfo = 0;
+ dht_migrate_info_t *miginfo = NULL;
+ gf_boolean_t skip_open = _gf_false;
+ int open_failed = 0;
+
+ this = THIS;
+ frame = data;
+ local = frame->local;
+ conf = this->private;
+
+ src_node = local->cached_subvol;
+
+ if (!local->loc.inode && !local->fd) {
+ local->op_errno = EINVAL;
+ goto out;
+ }
- if (!ret)
- linkto_target = dht_linkfile_subvol (this, NULL, NULL, dict);
+ inode = (!local->fd) ? local->loc.inode : local->fd->inode;
- if (local->loc.inode) {
- loc_copy (&tmp_loc, &local->loc);
- } else {
- tmp_loc.inode = inode_ref (inode);
- gf_uuid_copy (tmp_loc.gfid, inode->gfid);
- }
+ /* getxattr on cached_subvol for 'linkto' value. Do path based getxattr
+ * as root:root. If a fd is already open, access check won't be done*/
- ret = syncop_lookup (this, &tmp_loc, &stbuf, 0, 0, 0);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_FILE_LOOKUP_FAILED,
- "%s: failed to lookup the file on %s",
- tmp_loc.path ? tmp_loc.path : uuid_utoa (tmp_loc.gfid),
- this->name);
- local->op_errno = -ret;
- ret = -1;
- goto out;
- }
+ if (!local->loc.inode) {
+ ret = syncop_fgetxattr(src_node, local->fd, &dict,
+ conf->link_xattr_name, NULL, NULL);
+ } else {
+ SYNCTASK_SETID(0, 0);
+ ret = syncop_getxattr(src_node, &local->loc, &dict,
+ conf->link_xattr_name, NULL, NULL);
+ SYNCTASK_SETID(frame->root->uid, frame->root->gid);
+ }
+
+ /*
+ * Each DHT xlator layer has its own name for the linkto xattr.
+ * If the file mode bits indicate the the file is being migrated but
+ * this layer's linkto xattr is not set, it means that another
+ * DHT layer is migrating the file. In this case, return 1 so
+ * the mode bits can be passed on to the higher layer for appropriate
+ * action.
+ */
+ if (-ret == ENODATA) {
+ /* This DHT translator is not migrating this file */
+
+ ret = inode_ctx_reset1(inode, this, &tmp_miginfo);
+ if (tmp_miginfo) {
+ /* This can be a problem if the file was
+ * migrated by two different layers. Raise
+ * a warning here.
+ */
+ gf_smsg(
+ this->name, GF_LOG_WARNING, 0, DHT_MSG_HAS_MIGINFO, "tmp=%s",
+ tmp_loc.path ? tmp_loc.path : uuid_utoa(tmp_loc.gfid), NULL);
+
+ miginfo = (void *)(uintptr_t)tmp_miginfo;
+ GF_REF_PUT(miginfo);
+ }
+ ret = 1;
+ goto out;
+ }
+
+ if (!ret)
+ linkto_target = dht_linkfile_subvol(this, NULL, NULL, dict);
+
+ if (local->loc.inode) {
+ loc_copy(&tmp_loc, &local->loc);
+ } else {
+ tmp_loc.inode = inode_ref(inode);
+ gf_uuid_copy(tmp_loc.gfid, inode->gfid);
+ }
+
+ ret = syncop_lookup(this, &tmp_loc, &stbuf, 0, 0, 0);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_FILE_LOOKUP_FAILED,
+ "tmp=%s", tmp_loc.path ? tmp_loc.path : uuid_utoa(tmp_loc.gfid),
+ "name=%s", this->name, NULL);
+ local->op_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ dst_node = dht_subvol_get_cached(this, tmp_loc.inode);
+ if (linkto_target && dst_node != linkto_target) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_INVALID_LINKFILE,
+ "linkto_target_name=%s", linkto_target->name, "dst_name=%s",
+ dst_node->name, NULL);
+ }
+
+ if (gf_uuid_compare(stbuf.ia_gfid, tmp_loc.inode->gfid)) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_GFID_MISMATCH, "tmp=%s",
+ tmp_loc.path ? tmp_loc.path : uuid_utoa(tmp_loc.gfid),
+ "dst_name=%s", dst_node->name, NULL);
+ ret = -1;
+ local->op_errno = EIO;
+ goto out;
+ }
- dst_node = dht_subvol_get_cached (this, tmp_loc.inode);
- if (linkto_target && dst_node != linkto_target) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_INVALID_LINKFILE,
- "linkto target (%s) is "
- "different from cached-subvol (%s). Treating %s as "
- "destination subvol", linkto_target->name,
- dst_node->name, dst_node->name);
- }
+ /* update local. A layout is set in inode-ctx in lookup already */
- if (gf_uuid_compare (stbuf.ia_gfid, tmp_loc.inode->gfid)) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_GFID_MISMATCH,
- "%s: gfid different on the target file on %s",
- tmp_loc.path ? tmp_loc.path :
- uuid_utoa (tmp_loc.gfid), dst_node->name);
- ret = -1;
- local->op_errno = EIO;
- goto out;
- }
+ dht_layout_unref(this, local->layout);
- /* update local. A layout is set in inode-ctx in lookup already */
+ local->layout = dht_layout_get(frame->this, inode);
+ local->cached_subvol = dst_node;
- dht_layout_unref (this, local->layout);
+ ret = 0;
- local->layout = dht_layout_get (frame->this, inode);
- local->cached_subvol = dst_node;
+ /* once we detect the migration complete, the inode-ctx2 is no more
+ required.. delete the ctx and also, it means, open() already
+ done on all the fd of inode */
+ ret = inode_ctx_reset1(inode, this, &tmp_miginfo);
+ if (tmp_miginfo) {
+ miginfo = (void *)(uintptr_t)tmp_miginfo;
+ GF_REF_PUT(miginfo);
+ goto out;
+ }
+
+ /* perform 'open()' on all the fd's present on the inode */
+ if (tmp_loc.path == NULL) {
+ inode_path(inode, NULL, &path);
+ if (path)
+ tmp_loc.path = path;
+ }
+
+ LOCK(&inode->lock);
+
+ if (list_empty(&inode->fd_list))
+ goto unlock;
+
+ /* perform open as root:root. There is window between linkfile
+ * creation(root:root) and setattr with the correct uid/gid
+ */
+ SYNCTASK_SETID(0, 0);
+
+ /* It's possible that we are the last user of iter_fd after each
+ * iteration. In this case the fd_unref() of iter_fd at the end of
+ * the loop will cause the destruction of the fd. So we need to
+ * iterate the list safely because iter_fd cannot be trusted.
+ */
+ iter_fd = list_entry((&inode->fd_list)->next, typeof(*iter_fd), inode_list);
+ while (&iter_fd->inode_list != (&inode->fd_list)) {
+ if (fd_is_anonymous(iter_fd) ||
+ (dht_fd_open_on_dst(this, iter_fd, dst_node))) {
+ if (!tmp) {
+ iter_fd = list_entry(iter_fd->inode_list.next, typeof(*iter_fd),
+ inode_list);
+ continue;
+ }
+ skip_open = _gf_true;
+ }
+ /* We need to release the inode->lock before calling
+ * syncop_open() to avoid possible deadlocks. However this
+ * can cause the iter_fd to be released by other threads.
+ * To avoid this, we take a reference before releasing the
+ * lock.
+ */
+ fd_ref(iter_fd);
- ret = 0;
+ UNLOCK(&inode->lock);
- /* once we detect the migration complete, the inode-ctx2 is no more
- required.. delete the ctx and also, it means, open() already
- done on all the fd of inode */
- ret = inode_ctx_reset1 (inode, this, &tmp_miginfo);
- if (tmp_miginfo) {
- miginfo = (void *)tmp_miginfo;
- GF_REF_PUT (miginfo);
- goto out;
+ if (tmp) {
+ fd_unref(tmp);
+ tmp = NULL;
}
+ if (skip_open)
+ goto next;
- /* perform 'open()' on all the fd's present on the inode */
- if (tmp_loc.path == NULL) {
- inode_path (inode, NULL, &path);
- if (path)
- tmp_loc.path = path;
+ /* flags for open are stripped down to allow following the
+ * new location of the file, otherwise we can get EEXIST or
+ * truncate the file again as rebalance is moving the data */
+ ret = syncop_open(dst_node, &tmp_loc,
+ (iter_fd->flags & ~(O_CREAT | O_EXCL | O_TRUNC)),
+ iter_fd, NULL, NULL);
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_OPEN_FD_ON_DST_FAILED, "id=%p", iter_fd,
+ "flags=0%o", iter_fd->flags, "path=%s", path, "name=%s",
+ dst_node->name, NULL);
+
+ open_failed = 1;
+ local->op_errno = -ret;
+ ret = -1;
+ } else {
+ dht_fd_ctx_set(this, iter_fd, dst_node);
}
+ next:
LOCK(&inode->lock);
+ skip_open = _gf_false;
+ tmp = iter_fd;
+ iter_fd = list_entry(tmp->inode_list.next, typeof(*tmp), inode_list);
+ }
- if (list_empty (&inode->fd_list))
- goto unlock;
-
- /* perform open as root:root. There is window between linkfile
- * creation(root:root) and setattr with the correct uid/gid
- */
- SYNCTASK_SETID(0, 0);
-
- /* It's possible that we are the last user of iter_fd after each
- * iteration. In this case the fd_unref() of iter_fd at the end of
- * the loop will cause the destruction of the fd. So we need to
- * iterate the list safely because iter_fd cannot be trusted.
- */
- list_for_each_entry_safe (iter_fd, tmp, &inode->fd_list, inode_list) {
-
- if (fd_is_anonymous (iter_fd))
- continue;
-
- if (dht_fd_open_on_dst (this, iter_fd, dst_node))
- continue;
-
- /* We need to release the inode->lock before calling
- * syncop_open() to avoid possible deadlocks. However this
- * can cause the iter_fd to be released by other threads.
- * To avoid this, we take a reference before releasing the
- * lock.
- */
- __fd_ref(iter_fd);
-
- UNLOCK(&inode->lock);
-
- /* flags for open are stripped down to allow following the
- * new location of the file, otherwise we can get EEXIST or
- * truncate the file again as rebalance is moving the data */
- ret = syncop_open (dst_node, &tmp_loc,
- (iter_fd->flags &
- ~(O_CREAT | O_EXCL | O_TRUNC)),
- iter_fd, NULL, NULL);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_OPEN_FD_ON_DST_FAILED, "failed"
- " to open the fd"
- " (%p, flags=0%o) on file %s @ %s",
- iter_fd, iter_fd->flags, path,
- dst_node->name);
-
- open_failed = 1;
- local->op_errno = -ret;
- ret = -1;
- } else {
- dht_fd_ctx_set (this, iter_fd, dst_node);
- }
-
- fd_unref(iter_fd);
-
- LOCK(&inode->lock);
- }
+ SYNCTASK_SETID(frame->root->uid, frame->root->gid);
- SYNCTASK_SETID (frame->root->uid, frame->root->gid);
-
- if (open_failed) {
- ret = -1;
- goto unlock;
- }
- ret = 0;
+ if (open_failed) {
+ ret = -1;
+ goto unlock;
+ }
+ ret = 0;
unlock:
- UNLOCK(&inode->lock);
+ UNLOCK(&inode->lock);
+ if (tmp) {
+ fd_unref(tmp);
+ tmp = NULL;
+ }
out:
- if (dict) {
- dict_unref (dict);
- }
+ if (dict) {
+ dict_unref(dict);
+ }
- loc_wipe (&tmp_loc);
+ loc_wipe(&tmp_loc);
- return ret;
+ return ret;
}
int
-dht_rebalance_complete_check (xlator_t *this, call_frame_t *frame)
+dht_rebalance_complete_check(xlator_t *this, call_frame_t *frame)
{
- int ret = -1;
-
- ret = synctask_new (this->ctx->env, dht_migration_complete_check_task,
- dht_migration_complete_check_done,
- frame, frame);
- return ret;
+ int ret = -1;
+ ret = synctask_new(this->ctx->env, dht_migration_complete_check_task,
+ dht_migration_complete_check_done, frame, frame);
+ return ret;
}
/* During 'in-progress' state, both nodes should have the file */
@@ -1536,785 +1516,789 @@ dht_rebalance_complete_check (xlator_t *this, call_frame_t *frame)
1 : File is being migrated but not by this DHT layer.
*/
static int
-dht_inprogress_check_done (int op_ret, call_frame_t *frame, void *data)
+dht_inprogress_check_done(int op_ret, call_frame_t *frame, void *data)
{
- dht_local_t *local = NULL;
- xlator_t *dst_subvol = NULL, *src_subvol = NULL;
- inode_t *inode = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *dst_subvol = NULL, *src_subvol = NULL;
+ inode_t *inode = NULL;
- local = frame->local;
+ local = frame->local;
- if (op_ret != 0)
- goto out;
+ if (op_ret != 0)
+ goto out;
- inode = local->loc.inode ? local->loc.inode : local->fd->inode;
+ inode = local->loc.inode ? local->loc.inode : local->fd->inode;
- dht_inode_ctx_get_mig_info (THIS, inode, &src_subvol, &dst_subvol);
- if (dht_mig_info_is_invalid (local->cached_subvol,
- src_subvol, dst_subvol)) {
- dst_subvol = dht_subvol_get_cached (THIS, inode);
- if (!dst_subvol) {
- local->op_errno = EINVAL;
- goto out;
- }
+ dht_inode_ctx_get_mig_info(THIS, inode, &src_subvol, &dst_subvol);
+ if (dht_mig_info_is_invalid(local->cached_subvol, src_subvol, dst_subvol)) {
+ dst_subvol = dht_subvol_get_cached(THIS, inode);
+ if (!dst_subvol) {
+ local->op_errno = EINVAL;
+ goto out;
}
+ }
out:
- local->rebalance.target_op_fn (THIS, dst_subvol, frame, op_ret);
+ local->rebalance.target_op_fn(THIS, dst_subvol, frame, op_ret);
- return 0;
+ return 0;
}
static int
-dht_rebalance_inprogress_task (void *data)
+dht_rebalance_inprogress_task(void *data)
{
- int ret = -1;
- xlator_t *src_node = NULL;
- xlator_t *dst_node = NULL;
- dht_local_t *local = NULL;
- dict_t *dict = NULL;
- call_frame_t *frame = NULL;
- xlator_t *this = NULL;
- char *path = NULL;
- struct iatt stbuf = {0,};
- loc_t tmp_loc = {0,};
- dht_conf_t *conf = NULL;
- inode_t *inode = NULL;
- fd_t *iter_fd = NULL;
- fd_t *tmp = NULL;
- int open_failed = 0;
- uint64_t tmp_miginfo = 0;
- dht_migrate_info_t *miginfo = NULL;
-
-
- this = THIS;
- frame = data;
- local = frame->local;
- conf = this->private;
-
- src_node = local->cached_subvol;
-
- if (!local->loc.inode && !local->fd)
- goto out;
+ int ret = -1;
+ xlator_t *src_node = NULL;
+ xlator_t *dst_node = NULL;
+ dht_local_t *local = NULL;
+ dict_t *dict = NULL;
+ call_frame_t *frame = NULL;
+ xlator_t *this = NULL;
+ char *path = NULL;
+ struct iatt stbuf = {
+ 0,
+ };
+ loc_t tmp_loc = {
+ 0,
+ };
+ dht_conf_t *conf = NULL;
+ inode_t *inode = NULL;
+ fd_t *iter_fd = NULL;
+ fd_t *tmp = NULL;
+ int open_failed = 0;
+ uint64_t tmp_miginfo = 0;
+ dht_migrate_info_t *miginfo = NULL;
+ gf_boolean_t skip_open = _gf_false;
+
+ this = THIS;
+ frame = data;
+ local = frame->local;
+ conf = this->private;
+
+ src_node = local->cached_subvol;
+
+ if (!local->loc.inode && !local->fd)
+ goto out;
- inode = (!local->fd) ? local->loc.inode : local->fd->inode;
+ inode = (!local->fd) ? local->loc.inode : local->fd->inode;
- /* getxattr on cached_subvol for 'linkto' value. Do path based getxattr
- * as root:root. If a fd is already open, access check won't be done*/
- if (local->loc.inode) {
- SYNCTASK_SETID (0, 0);
- ret = syncop_getxattr (src_node, &local->loc, &dict,
- conf->link_xattr_name, NULL, NULL);
- SYNCTASK_SETID (frame->root->uid, frame->root->gid);
- } else {
- ret = syncop_fgetxattr (src_node, local->fd, &dict,
- conf->link_xattr_name, NULL, NULL);
- }
+ /* getxattr on cached_subvol for 'linkto' value. Do path based getxattr
+ * as root:root. If a fd is already open, access check won't be done*/
+ if (local->loc.inode) {
+ SYNCTASK_SETID(0, 0);
+ ret = syncop_getxattr(src_node, &local->loc, &dict,
+ conf->link_xattr_name, NULL, NULL);
+ SYNCTASK_SETID(frame->root->uid, frame->root->gid);
+ } else {
+ ret = syncop_fgetxattr(src_node, local->fd, &dict,
+ conf->link_xattr_name, NULL, NULL);
+ }
+
+ /*
+ * Each DHT xlator layer has its own name for the linkto xattr.
+ * If the file mode bits indicate the the file is being migrated but
+ * this layer's linkto xattr is not present, it means that another
+ * DHT layer is migrating the file. In this case, return 1 so
+ * the mode bits can be passed on to the higher layer for appropriate
+ * action.
+ */
+
+ if (-ret == ENODATA) {
+ /* This DHT layer is not migrating this file */
+ ret = inode_ctx_reset1(inode, this, &tmp_miginfo);
+ if (tmp_miginfo) {
+ /* This can be a problem if the file was
+ * migrated by two different layers. Raise
+ * a warning here.
+ */
+ gf_smsg(
+ this->name, GF_LOG_WARNING, 0, DHT_MSG_HAS_MIGINFO, "tmp=%s",
+ tmp_loc.path ? tmp_loc.path : uuid_utoa(tmp_loc.gfid), NULL);
+ miginfo = (void *)(uintptr_t)tmp_miginfo;
+ GF_REF_PUT(miginfo);
+ }
+ ret = 1;
+ goto out;
+ }
- /*
- * Each DHT xlator layer has its own name for the linkto xattr.
- * If the file mode bits indicate the the file is being migrated but
- * this layer's linkto xattr is not present, it means that another
- * DHT layer is migrating the file. In this case, return 1 so
- * the mode bits can be passed on to the higher layer for appropriate
- * action.
- */
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_GET_XATTR_FAILED,
+ "path=%s", local->loc.path, NULL);
+ ret = -1;
+ goto out;
+ }
- if (-ret == ENODATA) {
- /* This DHT layer is not migrating this file */
- ret = inode_ctx_reset1 (inode, this, &tmp_miginfo);
- if (tmp_miginfo) {
- /* This can be a problem if the file was
- * migrated by two different layers. Raise
- * a warning here.
- */
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_HAS_MIGINFO,
- "%s: Found miginfo in the inode ctx",
- tmp_loc.path ? tmp_loc.path :
- uuid_utoa (tmp_loc.gfid));
- miginfo = (void *)tmp_miginfo;
- GF_REF_PUT (miginfo);
- }
- ret = 1;
- goto out;
- }
+ dst_node = dht_linkfile_subvol(this, NULL, NULL, dict);
+ if (!dst_node) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_GET_XATTR_FAILED,
+ "path=%s", local->loc.path, NULL);
+ ret = -1;
+ goto out;
+ }
+
+ local->rebalance.target_node = dst_node;
+
+ if (local->loc.inode) {
+ loc_copy(&tmp_loc, &local->loc);
+ } else {
+ tmp_loc.inode = inode_ref(inode);
+ gf_uuid_copy(tmp_loc.gfid, inode->gfid);
+ }
+
+ /* lookup on dst */
+ ret = syncop_lookup(dst_node, &tmp_loc, &stbuf, NULL, NULL, NULL);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_FILE_LOOKUP_FAILED,
+ "tmp=%s", tmp_loc.path ? tmp_loc.path : uuid_utoa(tmp_loc.gfid),
+ "name=%s", dst_node->name, NULL);
+ ret = -1;
+ goto out;
+ }
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_GET_XATTR_FAILED,
- "%s: failed to get the 'linkto' xattr",
- local->loc.path);
- ret = -1;
- goto out;
- }
+ if (gf_uuid_compare(stbuf.ia_gfid, tmp_loc.inode->gfid)) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_GFID_MISMATCH, "tmp=%s",
+ tmp_loc.path ? tmp_loc.path : uuid_utoa(tmp_loc.gfid),
+ "name=%s", dst_node->name, NULL);
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
+
+ if (tmp_loc.path == NULL) {
+ inode_path(inode, NULL, &path);
+ if (path)
+ tmp_loc.path = path;
+ }
+
+ LOCK(&inode->lock);
+
+ if (list_empty(&inode->fd_list))
+ goto unlock;
+
+ /* perform open as root:root. There is window between linkfile
+ * creation(root:root) and setattr with the correct uid/gid
+ */
+ SYNCTASK_SETID(0, 0);
+
+ /* It's possible that we are the last user of iter_fd after each
+ * iteration. In this case the fd_unref() of iter_fd at the end of
+ * the loop will cause the destruction of the fd. So we need to
+ * iterate the list safely because iter_fd cannot be trusted.
+ */
+ iter_fd = list_entry((&inode->fd_list)->next, typeof(*iter_fd), inode_list);
+ while (&iter_fd->inode_list != (&inode->fd_list)) {
+ /* We need to release the inode->lock before calling
+ * syncop_open() to avoid possible deadlocks. However this
+ * can cause the iter_fd to be released by other threads.
+ * To avoid this, we take a reference before releasing the
+ * lock.
+ */
- dst_node = dht_linkfile_subvol (this, NULL, NULL, dict);
- if (!dst_node) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SUBVOL_NOT_FOUND,
- "%s: failed to get the 'linkto' xattr from dict",
- local->loc.path);
- ret = -1;
- goto out;
+ if (fd_is_anonymous(iter_fd) ||
+ (dht_fd_open_on_dst(this, iter_fd, dst_node))) {
+ if (!tmp) {
+ iter_fd = list_entry(iter_fd->inode_list.next, typeof(*iter_fd),
+ inode_list);
+ continue;
+ }
+ skip_open = _gf_true;
}
- local->rebalance.target_node = dst_node;
-
- if (local->loc.inode) {
- loc_copy (&tmp_loc, &local->loc);
- } else {
- tmp_loc.inode = inode_ref (inode);
- gf_uuid_copy (tmp_loc.gfid, inode->gfid);
- }
+ /* Yes, this is ugly but there isn't a cleaner way to do this
+ * the fd_ref is an atomic increment so not too bad. We want to
+ * reduce the number of inode locks and unlocks.
+ */
- /* lookup on dst */
- ret = syncop_lookup (dst_node, &tmp_loc, &stbuf, NULL,
- NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_FILE_LOOKUP_ON_DST_FAILED,
- "%s: failed to lookup the file on %s",
- tmp_loc.path ? tmp_loc.path : uuid_utoa (tmp_loc.gfid),
- dst_node->name);
- ret = -1;
- goto out;
- }
+ fd_ref(iter_fd);
+ UNLOCK(&inode->lock);
- if (gf_uuid_compare (stbuf.ia_gfid, tmp_loc.inode->gfid)) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_GFID_MISMATCH,
- "%s: gfid different on the target file on %s",
- tmp_loc.path ? tmp_loc.path : uuid_utoa (tmp_loc.gfid),
- dst_node->name);
- ret = -1;
- goto out;
+ if (tmp) {
+ fd_unref(tmp);
+ tmp = NULL;
}
- ret = 0;
+ if (skip_open)
+ goto next;
- if (tmp_loc.path == NULL) {
- inode_path (inode, NULL, &path);
- if (path)
- tmp_loc.path = path;
+ /* flags for open are stripped down to allow following the
+ * new location of the file, otherwise we can get EEXIST or
+ * truncate the file again as rebalance is moving the data */
+ ret = syncop_open(dst_node, &tmp_loc,
+ (iter_fd->flags & ~(O_CREAT | O_EXCL | O_TRUNC)),
+ iter_fd, NULL, NULL);
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_OPEN_FD_ON_DST_FAILED, "fd=%p", iter_fd,
+ "flags=0%o", iter_fd->flags, "path=%s", path, "name=%s",
+ dst_node->name, NULL);
+ ret = -1;
+ open_failed = 1;
+ } else {
+ /* Potential fd leak if this fails here as it will be
+ reopened at the next Phase1/2 check */
+ dht_fd_ctx_set(this, iter_fd, dst_node);
}
+ next:
LOCK(&inode->lock);
+ skip_open = _gf_false;
+ tmp = iter_fd;
+ iter_fd = list_entry(tmp->inode_list.next, typeof(*tmp), inode_list);
+ }
- if (list_empty (&inode->fd_list))
- goto unlock;
-
- /* perform open as root:root. There is window between linkfile
- * creation(root:root) and setattr with the correct uid/gid
- */
- SYNCTASK_SETID (0, 0);
-
- /* It's possible that we are the last user of iter_fd after each
- * iteration. In this case the fd_unref() of iter_fd at the end of
- * the loop will cause the destruction of the fd. So we need to
- * iterate the list safely because iter_fd cannot be trusted.
- */
- list_for_each_entry_safe (iter_fd, tmp, &inode->fd_list, inode_list) {
- if (fd_is_anonymous (iter_fd))
- continue;
-
- if (dht_fd_open_on_dst (this, iter_fd, dst_node))
- continue;
-
- /* We need to release the inode->lock before calling
- * syncop_open() to avoid possible deadlocks. However this
- * can cause the iter_fd to be released by other threads.
- * To avoid this, we take a reference before releasing the
- * lock.
- */
- __fd_ref(iter_fd);
-
- UNLOCK(&inode->lock);
-
- /* flags for open are stripped down to allow following the
- * new location of the file, otherwise we can get EEXIST or
- * truncate the file again as rebalance is moving the data */
- ret = syncop_open (dst_node, &tmp_loc,
- (iter_fd->flags &
- ~(O_CREAT | O_EXCL | O_TRUNC)),
- iter_fd, NULL, NULL);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_OPEN_FD_ON_DST_FAILED,
- "failed to send open "
- "the fd (%p, flags=0%o) on file %s @ %s",
- iter_fd, iter_fd->flags, path,
- dst_node->name);
- ret = -1;
- open_failed = 1;
- } else {
- /* Potential fd leak if this fails here as it will be
- reopened at the next Phase1/2 check */
- dht_fd_ctx_set (this, iter_fd, dst_node);
- }
-
- fd_unref(iter_fd);
-
- LOCK(&inode->lock);
- }
-
- SYNCTASK_SETID (frame->root->uid, frame->root->gid);
+ SYNCTASK_SETID(frame->root->uid, frame->root->gid);
unlock:
- UNLOCK(&inode->lock);
-
- if (open_failed) {
- ret = -1;
- goto out;
- }
+ UNLOCK(&inode->lock);
+
+ if (tmp) {
+ fd_unref(tmp);
+ tmp = NULL;
+ }
+ if (open_failed) {
+ ret = -1;
+ goto out;
+ }
- ret = dht_inode_ctx_set_mig_info (this, inode, src_node, dst_node);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SET_INODE_CTX_FAILED,
- "%s: failed to set inode-ctx target file at %s",
- local->loc.path, dst_node->name);
- goto out;
- }
+ ret = dht_inode_ctx_set_mig_info(this, inode, src_node, dst_node);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SET_INODE_CTX_FAILED,
+ "path=%s", local->loc.path, "name=%s", dst_node->name, NULL);
+ goto out;
+ }
- ret = 0;
+ ret = 0;
out:
- if (dict) {
- dict_unref (dict);
- }
+ if (dict) {
+ dict_unref(dict);
+ }
- loc_wipe (&tmp_loc);
- return ret;
+ loc_wipe(&tmp_loc);
+ return ret;
}
int
-dht_rebalance_in_progress_check (xlator_t *this, call_frame_t *frame)
+dht_rebalance_in_progress_check(xlator_t *this, call_frame_t *frame)
{
+ int ret = -1;
- int ret = -1;
-
- ret = synctask_new (this->ctx->env, dht_rebalance_inprogress_task,
- dht_inprogress_check_done,
- frame, frame);
- return ret;
+ ret = synctask_new(this->ctx->env, dht_rebalance_inprogress_task,
+ dht_inprogress_check_done, frame, frame);
+ return ret;
}
int
-dht_inode_ctx_layout_set (inode_t *inode, xlator_t *this,
- dht_layout_t *layout_int)
+dht_inode_ctx_layout_set(inode_t *inode, xlator_t *this,
+ dht_layout_t *layout_int)
{
- dht_inode_ctx_t *ctx = NULL;
- int ret = -1;
-
- ret = dht_inode_ctx_get (inode, this, &ctx);
- if (!ret && ctx) {
- ctx->layout = layout_int;
- } else {
- ctx = GF_CALLOC (1, sizeof (*ctx), gf_dht_mt_inode_ctx_t);
- if (!ctx)
- return ret;
- ctx->layout = layout_int;
- }
-
- ret = dht_inode_ctx_set (inode, this, ctx);
-
- return ret;
+ dht_inode_ctx_t *ctx = NULL;
+ int ret = -1;
+
+ ret = dht_inode_ctx_get(inode, this, &ctx);
+ if (!ret && ctx) {
+ ctx->layout = layout_int;
+ } else {
+ ctx = GF_CALLOC(1, sizeof(*ctx), gf_dht_mt_inode_ctx_t);
+ if (!ctx)
+ return ret;
+ ctx->layout = layout_int;
+ }
+
+ ret = dht_inode_ctx_set(inode, this, ctx);
+
+ return ret;
}
-
void
-dht_inode_ctx_time_set (inode_t *inode, xlator_t *this, struct iatt *stat)
+dht_inode_ctx_time_set(inode_t *inode, xlator_t *this, struct iatt *stat)
{
- dht_inode_ctx_t *ctx = NULL;
- dht_stat_time_t *time = 0;
- int ret = -1;
+ dht_inode_ctx_t *ctx = NULL;
+ dht_stat_time_t *time = 0;
+ int ret = -1;
- ret = dht_inode_ctx_get (inode, this, &ctx);
+ ret = dht_inode_ctx_get(inode, this, &ctx);
- if (ret)
- return;
+ if (ret)
+ return;
- time = &ctx->time;
+ time = &ctx->time;
- time->mtime = stat->ia_mtime;
- time->mtime_nsec = stat->ia_mtime_nsec;
+ time->mtime = stat->ia_mtime;
+ time->mtime_nsec = stat->ia_mtime_nsec;
- time->ctime = stat->ia_ctime;
- time->ctime_nsec = stat->ia_ctime_nsec;
+ time->ctime = stat->ia_ctime;
+ time->ctime_nsec = stat->ia_ctime_nsec;
- time->atime = stat->ia_atime;
- time->atime_nsec = stat->ia_atime_nsec;
+ time->atime = stat->ia_atime;
+ time->atime_nsec = stat->ia_atime_nsec;
- return;
+ return;
}
-
int
-dht_inode_ctx_time_update (inode_t *inode, xlator_t *this, struct iatt *stat,
- int32_t post)
+dht_inode_ctx_time_update(inode_t *inode, xlator_t *this, struct iatt *stat,
+ int32_t post)
{
- dht_inode_ctx_t *ctx = NULL;
- dht_stat_time_t *time = 0;
- int ret = -1;
-
- GF_VALIDATE_OR_GOTO (this->name, stat, out);
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
-
- ret = dht_inode_ctx_get (inode, this, &ctx);
-
- if (ret) {
- ctx = GF_CALLOC (1, sizeof (*ctx), gf_dht_mt_inode_ctx_t);
- if (!ctx)
- return -1;
- }
-
- time = &ctx->time;
-
- DHT_UPDATE_TIME(time->mtime, time->mtime_nsec,
- stat->ia_mtime, stat->ia_mtime_nsec, inode, post);
- DHT_UPDATE_TIME(time->ctime, time->ctime_nsec,
- stat->ia_ctime, stat->ia_ctime_nsec, inode, post);
- DHT_UPDATE_TIME(time->atime, time->atime_nsec,
- stat->ia_atime, stat->ia_atime_nsec, inode, post);
-
- ret = dht_inode_ctx_set (inode, this, ctx);
+ dht_inode_ctx_t *ctx = NULL;
+ dht_stat_time_t *time = 0;
+ int ret = -1;
+
+ GF_VALIDATE_OR_GOTO(this->name, stat, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
+
+ ret = dht_inode_ctx_get(inode, this, &ctx);
+
+ if (ret) {
+ ctx = GF_CALLOC(1, sizeof(*ctx), gf_dht_mt_inode_ctx_t);
+ if (!ctx)
+ return -1;
+ }
+
+ time = &ctx->time;
+
+ LOCK(&inode->lock);
+ {
+ DHT_UPDATE_TIME(time->mtime, time->mtime_nsec, stat->ia_mtime,
+ stat->ia_mtime_nsec, post);
+ DHT_UPDATE_TIME(time->ctime, time->ctime_nsec, stat->ia_ctime,
+ stat->ia_ctime_nsec, post);
+ DHT_UPDATE_TIME(time->atime, time->atime_nsec, stat->ia_atime,
+ stat->ia_atime_nsec, post);
+ }
+ UNLOCK(&inode->lock);
+
+ ret = dht_inode_ctx_set(inode, this, ctx);
out:
- return 0;
+ return 0;
}
int
-dht_inode_ctx_get (inode_t *inode, xlator_t *this, dht_inode_ctx_t **ctx)
+dht_inode_ctx_get(inode_t *inode, xlator_t *this, dht_inode_ctx_t **ctx)
{
- int ret = -1;
- uint64_t ctx_int = 0;
+ int ret = -1;
+ uint64_t ctx_int = 0;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- ret = inode_ctx_get (inode, this, &ctx_int);
+ ret = inode_ctx_get(inode, this, &ctx_int);
- if (ret)
- return ret;
+ if (ret)
+ return ret;
- if (ctx)
- *ctx = (dht_inode_ctx_t *) ctx_int;
+ if (ctx)
+ *ctx = (dht_inode_ctx_t *)(uintptr_t)ctx_int;
out:
- return ret;
+ return ret;
}
-int dht_inode_ctx_set (inode_t *inode, xlator_t *this, dht_inode_ctx_t *ctx)
+int
+dht_inode_ctx_set(inode_t *inode, xlator_t *this, dht_inode_ctx_t *ctx)
{
- int ret = -1;
- uint64_t ctx_int = 0;
+ int ret = -1;
+ uint64_t ctx_int = 0;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
- GF_VALIDATE_OR_GOTO (this->name, ctx, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
+ GF_VALIDATE_OR_GOTO(this->name, ctx, out);
- ctx_int = (long)ctx;
- ret = inode_ctx_set (inode, this, &ctx_int);
+ ctx_int = (long)ctx;
+ ret = inode_ctx_set(inode, this, &ctx_int);
out:
- return ret;
+ return ret;
}
int
-dht_subvol_status (dht_conf_t *conf, xlator_t *subvol)
+dht_subvol_status(dht_conf_t *conf, xlator_t *subvol)
{
- int i;
+ int i;
- for (i=0 ; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == subvol) {
- return conf->subvolume_status[i];
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == subvol) {
+ return conf->subvolume_status[i];
}
- return 0;
+ }
+ return 0;
}
-inode_t*
-dht_heal_path (xlator_t *this, char *path, inode_table_t *itable)
+inode_t *
+dht_heal_path(xlator_t *this, char *path, inode_table_t *itable)
{
- int ret = -1;
- struct iatt iatt = {0, };
- inode_t *linked_inode = NULL;
- loc_t loc = {0, };
- char *bname = NULL;
- char *save_ptr = NULL;
- uuid_t gfid = {0, };
- char *tmp_path = NULL;
-
-
- tmp_path = gf_strdup (path);
- if (!tmp_path) {
- goto out;
- }
-
- memset (gfid, 0, 16);
- gfid[15] = 1;
+ int ret = -1;
+ struct iatt iatt = {
+ 0,
+ };
+ inode_t *linked_inode = NULL;
+ loc_t loc = {
+ 0,
+ };
+ char *bname = NULL;
+ char *save_ptr = NULL;
+ static uuid_t gfid = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
+ char *tmp_path = NULL;
+
+ tmp_path = gf_strdup(path);
+ if (!tmp_path) {
+ goto out;
+ }
- gf_uuid_copy (loc.pargfid, gfid);
- loc.parent = inode_ref (itable->root);
+ gf_uuid_copy(loc.pargfid, gfid);
+ loc.parent = inode_ref(itable->root);
- bname = strtok_r (tmp_path, "/", &save_ptr);
+ bname = strtok_r(tmp_path, "/", &save_ptr);
- /* sending a lookup on parent directory,
- * Eg: if path is like /a/b/c/d/e/f/g/
- * then we will send a lookup on a first and then b,c,d,etc
- */
+ /* sending a lookup on parent directory,
+ * Eg: if path is like /a/b/c/d/e/f/g/
+ * then we will send a lookup on a first and then b,c,d,etc
+ */
- while (bname) {
- linked_inode = NULL;
- loc.inode = inode_grep (itable, loc.parent, bname);
- if (loc.inode == NULL) {
- loc.inode = inode_new (itable);
- if (loc.inode == NULL) {
- ret = -ENOMEM;
- goto out;
- }
- } else {
- /*
- * Inode is already populated in the inode table.
- * Which means we already looked up the inde and
- * linked with a dentry. So that we will skip
- * lookup on this entry, and proceed to next.
- */
- bname = strtok_r (NULL, "/", &save_ptr);
- inode_unref (loc.parent);
- loc.parent = loc.inode;
- gf_uuid_copy (loc.pargfid, loc.inode->gfid);
- loc.inode = NULL;
- continue;
- }
+ while (bname) {
+ linked_inode = NULL;
+ loc.inode = inode_grep(itable, loc.parent, bname);
+ if (loc.inode == NULL) {
+ loc.inode = inode_new(itable);
+ if (loc.inode == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ } else {
+ /*
+ * Inode is already populated in the inode table.
+ * Which means we already looked up the inode and
+ * linked with a dentry. So that we will skip
+ * lookup on this entry, and proceed to next.
+ */
+ linked_inode = loc.inode;
+ bname = strtok_r(NULL, "/", &save_ptr);
+ if (!bname) {
+ goto out;
+ }
+ inode_unref(loc.parent);
+ loc.parent = loc.inode;
+ gf_uuid_copy(loc.pargfid, loc.inode->gfid);
+ loc.inode = NULL;
+ continue;
+ }
- loc.name = bname;
- ret = loc_path (&loc, bname);
+ loc.name = bname;
+ ret = loc_path(&loc, bname);
- ret = syncop_lookup (this, &loc, &iatt, NULL, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_INFO, -ret,
- DHT_MSG_DIR_SELFHEAL_FAILED,
- "Healing of path %s failed on subvolume %s for "
- "directory %s", path, this->name, bname);
- goto out;
- }
+ ret = syncop_lookup(this, &loc, &iatt, NULL, NULL, NULL);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_INFO, -ret, DHT_MSG_DIR_SELFHEAL_FAILED,
+ "path=%s", path, "subvolume=%s", this->name, "bname=%s",
+ bname, NULL);
+ goto out;
+ }
- linked_inode = inode_link (loc.inode, loc.parent, bname, &iatt);
- if (!linked_inode)
- goto out;
+ linked_inode = inode_link(loc.inode, loc.parent, bname, &iatt);
+ if (!linked_inode)
+ goto out;
- loc_wipe (&loc);
- gf_uuid_copy (loc.pargfid, linked_inode->gfid);
- loc.inode = NULL;
- loc.parent = linked_inode;
+ loc_wipe(&loc);
+ gf_uuid_copy(loc.pargfid, linked_inode->gfid);
+ loc.inode = NULL;
- bname = strtok_r (NULL, "/", &save_ptr);
- }
+ bname = strtok_r(NULL, "/", &save_ptr);
+ if (bname)
+ loc.parent = linked_inode;
+ }
out:
- inode_ref (linked_inode);
- loc_wipe (&loc);
- GF_FREE (tmp_path);
+ inode_ref(linked_inode);
+ loc_wipe(&loc);
+ GF_FREE(tmp_path);
- return linked_inode;
+ return linked_inode;
}
-
int
-dht_heal_full_path (void *data)
+dht_heal_full_path(void *data)
{
- call_frame_t *heal_frame = data;
- dht_local_t *local = NULL;
- loc_t loc = {0, };
- dict_t *dict = NULL;
- char *path = NULL;
- int ret = -1;
- xlator_t *source = NULL;
- xlator_t *this = NULL;
- inode_table_t *itable = NULL;
- inode_t *inode = NULL;
- inode_t *tmp_inode = NULL;
-
- GF_VALIDATE_OR_GOTO ("DHT", heal_frame, out);
-
- local = heal_frame->local;
- this = heal_frame->this;
- source = heal_frame->cookie;
- heal_frame->cookie = NULL;
- gf_uuid_copy (loc.gfid, local->gfid);
-
- if (local->loc.inode)
- loc.inode = inode_ref (local->loc.inode);
- else
- goto out;
-
- itable = loc.inode->table;
- ret = syncop_getxattr (source, &loc, &dict,
- GET_ANCESTRY_PATH_KEY, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_INFO, -ret,
- DHT_MSG_DIR_SELFHEAL_FAILED,
- "Failed to get path from subvol %s. Aborting "
- "directory healing.", source->name);
- goto out;
- }
+ call_frame_t *heal_frame = data;
+ dht_local_t *local = NULL;
+ loc_t loc = {
+ 0,
+ };
+ dict_t *dict = NULL;
+ char *path = NULL;
+ int ret = -1;
+ xlator_t *source = NULL;
+ xlator_t *this = NULL;
+ inode_table_t *itable = NULL;
+ inode_t *inode = NULL;
+ inode_t *tmp_inode = NULL;
+
+ GF_VALIDATE_OR_GOTO("DHT", heal_frame, out);
+
+ local = heal_frame->local;
+ this = heal_frame->this;
+ source = heal_frame->cookie;
+ heal_frame->cookie = NULL;
+ gf_uuid_copy(loc.gfid, local->gfid);
+
+ if (local->loc.inode)
+ loc.inode = inode_ref(local->loc.inode);
+ else
+ goto out;
- ret = dict_get_str (dict, GET_ANCESTRY_PATH_KEY, &path);
- if (path) {
- inode = dht_heal_path (this, path, itable);
- if (inode && inode != local->inode) {
- /*
- * if inode returned by heal function is different
- * from what we passed, which means a racing thread
- * already linked a different inode for dentry.
- * So we will update our local->inode, so that we can
- * retrurn proper inode.
- */
- tmp_inode = local->inode;
- local->inode = inode;
- inode_unref (tmp_inode);
- tmp_inode = NULL;
- } else {
- inode_unref (inode);
- }
+ itable = loc.inode->table;
+ ret = syncop_getxattr(source, &loc, &dict, GET_ANCESTRY_PATH_KEY, NULL,
+ NULL);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_INFO, -ret, DHT_MSG_DIR_HEAL_ABORT,
+ "subvol=%s", source->name, NULL);
+ goto out;
+ }
+
+ ret = dict_get_str(dict, GET_ANCESTRY_PATH_KEY, &path);
+ if (path) {
+ inode = dht_heal_path(this, path, itable);
+ if (inode && inode != local->inode) {
+ /*
+ * if inode returned by heal function is different
+ * from what we passed, which means a racing thread
+ * already linked a different inode for dentry.
+ * So we will update our local->inode, so that we can
+ * retrurn proper inode.
+ */
+ tmp_inode = local->inode;
+ local->inode = inode;
+ inode_unref(tmp_inode);
+ tmp_inode = NULL;
+ } else {
+ inode_unref(inode);
}
+ }
out:
- loc_wipe (&loc);
- if (dict)
- dict_unref (dict);
- return 0;
+ loc_wipe(&loc);
+ if (dict)
+ dict_unref(dict);
+ return 0;
}
int
-dht_heal_full_path_done (int op_ret, call_frame_t *heal_frame, void *data)
+dht_heal_full_path_done(int op_ret, call_frame_t *heal_frame, void *data)
{
-
- call_frame_t *main_frame = NULL;
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- int ret = -1;
-
- local = heal_frame->local;
- main_frame = local->main_frame;
- local->main_frame = NULL;
- this = heal_frame->this;
-
- dht_set_fixed_dir_stat (&local->postparent);
- if (local->need_xattr_heal) {
- local->need_xattr_heal = 0;
- ret = dht_dir_xattr_heal (this, local);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, ret,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "xattr heal failed for directory %s ",
- local->loc.path);
+ call_frame_t *main_frame = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ int ret = -1;
+ int op_errno = 0;
+
+ local = heal_frame->local;
+ main_frame = local->main_frame;
+ local->main_frame = NULL;
+ this = heal_frame->this;
+
+ dht_set_fixed_dir_stat(&local->postparent);
+ if (local->need_xattr_heal) {
+ local->need_xattr_heal = 0;
+ ret = dht_dir_xattr_heal(this, local, &op_errno);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_DIR_XATTR_HEAL_FAILED, "path=%s", local->loc.path,
+ NULL);
}
+ }
- DHT_STACK_UNWIND (lookup, main_frame, 0, 0,
- local->inode, &local->stbuf, local->xattr,
- &local->postparent);
+ DHT_STACK_UNWIND(lookup, main_frame, 0, 0, local->inode, &local->stbuf,
+ local->xattr, &local->postparent);
- DHT_STACK_DESTROY (heal_frame);
- return 0;
+ DHT_STACK_DESTROY(heal_frame);
+ return 0;
}
/* This function must be called inside an inode lock */
int
-__dht_lock_subvol_set (inode_t *inode, xlator_t *this,
- xlator_t *lock_subvol)
+__dht_lock_subvol_set(inode_t *inode, xlator_t *this, xlator_t *lock_subvol)
{
- dht_inode_ctx_t *ctx = NULL;
- int ret = -1;
- uint64_t value = 0;
+ dht_inode_ctx_t *ctx = NULL;
+ int ret = -1;
+ uint64_t value = 0;
- GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ GF_VALIDATE_OR_GOTO(this->name, inode, out);
- ret = __inode_ctx_get0 (inode, this, &value);
- if (ret || !value) {
- return -1;
- }
+ ret = __inode_ctx_get0(inode, this, &value);
+ if (ret || !value) {
+ return -1;
+ }
- ctx = (dht_inode_ctx_t *) value;
- ctx->lock_subvol = lock_subvol;
+ ctx = (dht_inode_ctx_t *)(uintptr_t)value;
+ ctx->lock_subvol = lock_subvol;
out:
- return ret;
+ return ret;
}
-xlator_t*
-dht_get_lock_subvolume (xlator_t *this, struct gf_flock *lock,
- dht_local_t *local)
+xlator_t *
+dht_get_lock_subvolume(xlator_t *this, struct gf_flock *lock,
+ dht_local_t *local)
{
- xlator_t *subvol = NULL;
- inode_t *inode = NULL;
- int32_t ret = -1;
- uint64_t value = 0;
- xlator_t *cached_subvol = NULL;
- dht_inode_ctx_t *ctx = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- GF_VALIDATE_OR_GOTO (this->name, lock, out);
- GF_VALIDATE_OR_GOTO (this->name, local, out);
+ xlator_t *subvol = NULL;
+ inode_t *inode = NULL;
+ int32_t ret = -1;
+ uint64_t value = 0;
+ xlator_t *cached_subvol = NULL;
+ dht_inode_ctx_t *ctx = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- cached_subvol = local->cached_subvol;
+ GF_VALIDATE_OR_GOTO(this->name, lock, out);
+ GF_VALIDATE_OR_GOTO(this->name, local, out);
- if (local->loc.inode || local->fd) {
- inode = local->loc.inode ? local->loc.inode : local->fd->inode;
- }
+ cached_subvol = local->cached_subvol;
- if (!inode)
- goto out;
+ if (local->loc.inode || local->fd) {
+ inode = local->loc.inode ? local->loc.inode : local->fd->inode;
+ }
- if (!(IA_ISDIR (inode->ia_type) || IA_ISINVAL (inode->ia_type))) {
- /*
- * We may get non-linked inode for directories as part
- * of the selfheal code path. So checking for IA_INVAL
- * type also. This will only happen for directory.
- */
- subvol = local->cached_subvol;
- goto out;
- }
+ if (!inode)
+ goto out;
- if (lock->l_type != F_UNLCK) {
- /*
- * inode purging might happen on NFS between a lk
- * and unlk. Due to this lk and unlk might be sent
- * to different subvols.
- * So during a lock request, taking a ref on inode
- * to prevent inode purging. inode unref will happen
- * in unlock cbk code path.
- */
- inode_ref (inode);
- }
+ if (!(IA_ISDIR(inode->ia_type) || IA_ISINVAL(inode->ia_type))) {
+ /*
+ * We may get non-linked inode for directories as part
+ * of the selfheal code path. So checking for IA_INVAL
+ * type also. This will only happen for directory.
+ */
+ subvol = local->cached_subvol;
+ goto out;
+ }
- LOCK (&inode->lock);
- ret = __inode_ctx_get0 (inode, this, &value);
- if (!ret && value) {
- ctx = (dht_inode_ctx_t *) value;
- subvol = ctx->lock_subvol;
- }
- if (!subvol && lock->l_type != F_UNLCK && cached_subvol) {
- ret = __dht_lock_subvol_set (inode, this,
- cached_subvol);
- if (ret) {
- gf_uuid_unparse(inode->gfid, gfid);
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_SET_INODE_CTX_FAILED,
- "Failed to set lock_subvol in "
- "inode ctx for gfid %s",
- gfid);
- goto unlock;
- }
- subvol = cached_subvol;
- }
-unlock:
- UNLOCK (&inode->lock);
- if (!subvol && inode && lock->l_type != F_UNLCK) {
- inode_unref (inode);
- }
+ if (lock->l_type != F_UNLCK) {
+ /*
+ * inode purging might happen on NFS between a lk
+ * and unlk. Due to this lk and unlk might be sent
+ * to different subvols.
+ * So during a lock request, taking a ref on inode
+ * to prevent inode purging. inode unref will happen
+ * in unlock cbk code path.
+ */
+ inode_ref(inode);
+ }
+
+ LOCK(&inode->lock);
+ ret = __inode_ctx_get0(inode, this, &value);
+ if (!ret && value) {
+ ctx = (dht_inode_ctx_t *)(uintptr_t)value;
+ subvol = ctx->lock_subvol;
+ }
+ if (!subvol && lock->l_type != F_UNLCK && cached_subvol) {
+ ret = __dht_lock_subvol_set(inode, this, cached_subvol);
+ if (ret) {
+ gf_uuid_unparse(inode->gfid, gfid);
+ UNLOCK(&inode->lock);
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_SET_INODE_CTX_FAILED,
+ "lock_subvol gfid=%s", gfid, NULL);
+ goto post_unlock;
+ }
+ subvol = cached_subvol;
+ }
+ UNLOCK(&inode->lock);
+post_unlock:
+ if (!subvol && inode && lock->l_type != F_UNLCK) {
+ inode_unref(inode);
+ }
out:
- return subvol;
+ return subvol;
}
int
-dht_lk_inode_unref (call_frame_t *frame, int32_t op_ret)
+dht_lk_inode_unref(call_frame_t *frame, int32_t op_ret)
{
- int ret = -1;
- dht_local_t *local = NULL;
- inode_t *inode = NULL;
- xlator_t *this = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = -1;
+ dht_local_t *local = NULL;
+ inode_t *inode = NULL;
+ xlator_t *this = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- local = frame->local;
- this = frame->this;
+ local = frame->local;
+ this = frame->this;
- if (local->loc.inode || local->fd) {
- inode = local->loc.inode ? local->loc.inode : local->fd->inode;
- }
- if (!inode) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LOCK_INODE_UNREF_FAILED,
- "Found a NULL inode. Failed to unref the inode");
- goto out;
- }
+ if (local->loc.inode || local->fd) {
+ inode = local->loc.inode ? local->loc.inode : local->fd->inode;
+ }
+ if (!inode) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LOCK_INODE_UNREF_FAILED,
+ NULL);
+ goto out;
+ }
- if (!(IA_ISDIR (inode->ia_type) || IA_ISINVAL (inode->ia_type))) {
- ret = 0;
- goto out;
- }
+ if (!(IA_ISDIR(inode->ia_type) || IA_ISINVAL(inode->ia_type))) {
+ ret = 0;
+ goto out;
+ }
- switch (local->lock_type) {
+ switch (local->lock_type) {
case F_RDLCK:
case F_WRLCK:
- if (op_ret) {
- gf_uuid_unparse(inode->gfid, gfid);
- gf_msg_debug (this->name, 0,
- "lock request failed for gfid %s", gfid);
- inode_unref (inode);
- goto out;
- }
- break;
+ if (op_ret) {
+ gf_uuid_unparse(inode->gfid, gfid);
+ gf_msg_debug(this->name, 0, "lock request failed for gfid %s",
+ gfid);
+ inode_unref(inode);
+ goto out;
+ }
+ break;
case F_UNLCK:
- if (!op_ret) {
- inode_unref (inode);
- } else {
- gf_uuid_unparse(inode->gfid, gfid);
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LOCK_INODE_UNREF_FAILED,
- "Unlock request failed for gfid %s."
- "Failed to unref the inode", gfid);
- goto out;
- }
+ if (!op_ret) {
+ inode_unref(inode);
+ } else {
+ gf_uuid_unparse(inode->gfid, gfid);
+ gf_smsg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_LOCK_INODE_UNREF_FAILED, "gfid=%s", gfid, NULL);
+ goto out;
+ }
default:
- break;
- }
- ret = 0;
+ break;
+ }
+ ret = 0;
out:
- return ret;
+ return ret;
}
/* Code to update custom extended attributes from src dict to dst dict
-*/
+ */
void
-dht_dir_set_heal_xattr (xlator_t *this, dht_local_t *local, dict_t *dst,
- dict_t *src, int *uret, int *uflag)
+dht_dir_set_heal_xattr(xlator_t *this, dht_local_t *local, dict_t *dst,
+ dict_t *src, int *uret, int *uflag)
{
- int ret = -1;
- data_t *keyval = NULL;
- int luret = -1;
- int luflag = -1;
- int i = 0;
-
- if (!src || !dst) {
- gf_msg (this->name, GF_LOG_WARNING, EINVAL,
- DHT_MSG_DICT_SET_FAILED,
- "src or dst is NULL. Failed to set "
- " dictionary value for path %s",
- local->loc.path);
- return;
- }
- /* Check if any user xattr present in src dict and set
- it to dst dict
- */
- luret = dict_foreach_fnmatch (src, "user.*",
- dht_set_user_xattr, dst);
- /* Check if any other custom xattr present in src dict
- and set it to dst dict, here index start from 1 because
- user xattr already checked in previous statement
- */
- for (i = 1; xattrs_to_heal[i]; i++) {
- keyval = dict_get (src, xattrs_to_heal[i]);
- if (keyval) {
- luflag = 1;
- ret = dict_set (dst, xattrs_to_heal[i], keyval);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s for "
- "path %s", xattrs_to_heal[i],
- local->loc.path);
- keyval = NULL;
- }
- }
- if (uret)
- (*uret) = luret;
- if (uflag)
- (*uflag) = luflag;
+ int ret = -1;
+ data_t *keyval = NULL;
+ int luret = -1;
+ int luflag = -1;
+ int i = 0;
+ char **xattrs_to_heal;
+
+ if (!src || !dst) {
+ gf_smsg(this->name, GF_LOG_WARNING, EINVAL, DHT_MSG_DST_NULL_SET_FAILED,
+ "path=%s", local->loc.path, NULL);
+ return;
+ }
+ /* Check if any user xattr present in src dict and set
+ it to dst dict
+ */
+ luret = dict_foreach_fnmatch(src, "user.*", dht_set_user_xattr, dst);
+ /* Check if any other custom xattr present in src dict
+ and set it to dst dict, here index start from 1 because
+ user xattr already checked in previous statement
+ */
+
+ xattrs_to_heal = get_xattrs_to_heal();
+
+ for (i = 1; xattrs_to_heal[i]; i++) {
+ keyval = dict_get(src, xattrs_to_heal[i]);
+ if (keyval) {
+ luflag = 1;
+ ret = dict_set(dst, xattrs_to_heal[i], keyval);
+ if (ret)
+ gf_smsg(this->name, GF_LOG_WARNING, ENOMEM,
+ DHT_MSG_DICT_SET_FAILED, "key=%s", xattrs_to_heal[i],
+ "path=%s", local->loc.path, NULL);
+ keyval = NULL;
+ }
+ }
+ if (uret)
+ (*uret) = luret;
+ if (uflag)
+ (*uflag) = luflag;
}
diff --git a/xlators/cluster/dht/src/dht-inode-read.c b/xlators/cluster/dht/src/dht-inode-read.c
index 53215a3d34d..dbb8070b0da 100644
--- a/xlators/cluster/dht/src/dht-inode-read.c
+++ b/xlators/cluster/dht/src/dht-inode-read.c
@@ -10,1661 +10,1649 @@
#include "dht-common.h"
-int dht_access2 (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
-int dht_readv2 (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
-int dht_attr2 (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
-int dht_open2 (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
-int dht_flush2 (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
-int dht_lk2 (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
-int dht_fsync2 (xlator_t *this, xlator_t *dst_node,
- call_frame_t *frame, int ret);
-int
-dht_common_xattrop2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame,
- int ret);
-
-int
-dht_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, fd_t *fd, dict_t *xdata)
+static int
+dht_access2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
+static int
+dht_readv2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
+static int
+dht_attr2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
+static int
+dht_open2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
+static int
+dht_flush2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
+static int
+dht_lk2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
+static int
+dht_fsync2(xlator_t *this, xlator_t *dst_node, call_frame_t *frame, int ret);
+static int
+dht_common_xattrop2(xlator_t *this, xlator_t *subvol, call_frame_t *frame,
+ int ret);
+
+static int
+dht_open_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, fd_t *fd, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = 0;
-
- local = frame->local;
- prev = cookie;
-
- local->op_errno = op_errno;
- if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto out;
- }
-
- /* Update ctx if the fd has been opened on the target*/
- if (!op_ret && (local->call_cnt == 1)) {
- dht_fd_ctx_set (this, fd, prev);
- goto out;
- }
-
- if (!op_ret || (local->call_cnt != 1))
- goto out;
-
- /* rebalance would have happened */
- local->rebalance.target_op_fn = dht_open2;
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = 0;
+
+ local = frame->local;
+ prev = cookie;
+
+ local->op_errno = op_errno;
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto out;
+ }
+
+ /* Update ctx if the fd has been opened on the target*/
+ if (!op_ret && (local->call_cnt == 1)) {
+ dht_fd_ctx_set(this, fd, prev);
+ goto out;
+ }
+
+ if (!op_ret || (local->call_cnt != 1))
+ goto out;
+
+ /* rebalance would have happened */
+ local->rebalance.target_op_fn = dht_open2;
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
out:
- DHT_STACK_UNWIND (open, frame, op_ret, op_errno, local->fd, xdata);
+ DHT_STACK_UNWIND(open, frame, op_ret, op_errno, local->fd, xdata);
- return 0;
+ return 0;
}
-int
-dht_open2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_open2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
- if (!frame || !frame->local)
- goto out;
+ if (!frame || !frame->local)
+ goto out;
- local = frame->local;
- op_errno = local->op_errno;
+ local = frame->local;
+ op_errno = local->op_errno;
- if (we_are_not_migrating (ret)) {
- /* This DHT layer is not migrating the file */
- DHT_STACK_UNWIND (open, frame, -1, local->op_errno,
- NULL, local->rebalance.xdata);
- return 0;
+ if (we_are_not_migrating(ret)) {
+ /* This DHT layer is not migrating the file */
+ DHT_STACK_UNWIND(open, frame, -1, local->op_errno, NULL,
+ local->rebalance.xdata);
+ return 0;
+ }
- }
+ if (subvol == NULL)
+ goto out;
- if (subvol == NULL)
- goto out;
+ local->call_cnt = 2;
- local->call_cnt = 2;
-
- STACK_WIND_COOKIE (frame, dht_open_cbk, subvol, subvol,
- subvol->fops->open, &local->loc,
- local->rebalance.flags, local->fd, local->xattr_req);
- return 0;
+ STACK_WIND_COOKIE(frame, dht_open_cbk, subvol, subvol, subvol->fops->open,
+ &local->loc, local->rebalance.flags, local->fd,
+ local->xattr_req);
+ return 0;
out:
- DHT_STACK_UNWIND (open, frame, -1, op_errno, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(open, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
-
int
-dht_open (call_frame_t *frame, xlator_t *this,
- loc_t *loc, int flags, fd_t *fd, dict_t *xdata)
+dht_open(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags, fd_t *fd,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, loc, fd, GF_FOP_OPEN);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
- local->rebalance.flags = flags;
- local->call_cnt = 1;
+ local = dht_local_init(frame, loc, fd, GF_FOP_OPEN);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- STACK_WIND_COOKIE (frame, dht_open_cbk, subvol, subvol,
- subvol->fops->open, loc, flags, fd, xdata);
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
- return 0;
+ local->rebalance.flags = flags;
+ local->call_cnt = 1;
+
+ STACK_WIND_COOKIE(frame, dht_open_cbk, subvol, subvol, subvol->fops->open,
+ loc, flags, fd, xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (open, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(open, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
int
-dht_file_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *stbuf, dict_t *xdata)
+dht_file_attr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *stbuf, dict_t *xdata)
{
- xlator_t *subvol1 = 0;
- xlator_t *subvol2 = 0;
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
- inode_t *inode = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
-
- local = frame->local;
- prev = cookie;
-
- if ((local->fop == GF_FOP_FSTAT) && (op_ret == -1)
- && (op_errno == EBADF) && !(local->fd_checked)) {
-
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
-
- if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto out;
- }
-
- if (local->call_cnt != 1)
- goto out;
+ xlator_t *subvol1 = 0;
+ xlator_t *subvol2 = 0;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ inode_t *inode = NULL;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+
+ local = frame->local;
+ prev = cookie;
+
+ if ((local->fop == GF_FOP_FSTAT) &&
+ dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
local->op_errno = op_errno;
- local->op_ret = op_ret;
-
- /* Check if the rebalance phase2 is true */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (stbuf)) {
-
- local->rebalance.target_op_fn = dht_attr2;
- dht_set_local_rebalance (this, local, NULL, NULL,
- stbuf, xdata);
- inode = (local->fd) ? local->fd->inode : local->loc.inode;
-
- dht_inode_ctx_get_mig_info (this, inode, &subvol1, &subvol2);
- if (dht_mig_info_is_invalid (local->cached_subvol,
- subvol1, subvol2)){
- /* Phase 2 of migration */
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- } else {
- /* it is a non-fd op or it is an fd based Fop and
- opened on the dst.*/
- if (local->fd &&
- !dht_fd_open_on_dst (this, local->fd, subvol2)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- } else {
- dht_attr2 (this, subvol2, frame, 0);
- return 0;
- }
- }
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto out;
+ }
+
+ if (local->call_cnt != 1)
+ goto out;
+
+ local->op_errno = op_errno;
+ local->op_ret = op_ret;
+
+ /* Check if the rebalance phase2 is true */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(stbuf)) {
+ local->rebalance.target_op_fn = dht_attr2;
+ dht_set_local_rebalance(this, local, NULL, NULL, stbuf, xdata);
+ inode = (local->fd) ? local->fd->inode : local->loc.inode;
+
+ dht_inode_ctx_get_mig_info(this, inode, &subvol1, &subvol2);
+ if (dht_mig_info_is_invalid(local->cached_subvol, subvol1, subvol2)) {
+ /* Phase 2 of migration */
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ } else {
+ /* it is a non-fd op or it is an fd based Fop and
+ opened on the dst.*/
+ if (local->fd && !dht_fd_open_on_dst(this, local->fd, subvol2)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ } else {
+ dht_attr2(this, subvol2, frame, 0);
+ return 0;
+ }
}
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (stbuf);
- DHT_STACK_UNWIND (stat, frame, op_ret, op_errno, stbuf, xdata);
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
+ DHT_STACK_UNWIND(stat, frame, op_ret, op_errno, stbuf, xdata);
err:
- return 0;
+ return 0;
}
-int
-dht_attr2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_attr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
-
- local = frame->local;
- if (!local)
- goto out;
-
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (stat, frame, local->op_ret, op_errno,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
- return 0;
- }
-
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ op_errno = local->op_errno;
+
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(stat, frame, local->op_ret, op_errno,
+ &local->rebalance.postbuf, local->rebalance.xdata);
+ return 0;
+ }
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2;
+ local->call_cnt = 2;
- if (local->fop == GF_FOP_FSTAT) {
- STACK_WIND_COOKIE (frame, dht_file_attr_cbk, subvol, subvol,
- subvol->fops->fstat, local->fd,
- local->xattr_req);
- } else {
- STACK_WIND_COOKIE (frame, dht_file_attr_cbk, subvol, subvol,
- subvol->fops->stat, &local->loc,
- local->xattr_req);
- }
+ if (local->fop == GF_FOP_FSTAT) {
+ STACK_WIND_COOKIE(frame, dht_file_attr_cbk, subvol, subvol,
+ subvol->fops->fstat, local->fd, local->xattr_req);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_file_attr_cbk, subvol, subvol,
+ subvol->fops->stat, &local->loc, local->xattr_req);
+ }
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (stat, frame, -1, op_errno, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(stat, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
-int
-dht_attr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *stbuf, dict_t *xdata)
+static int
+dht_attr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *stbuf, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
-
- local = frame->local;
- prev = cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
-
- goto unlock;
- }
-
- dht_iatt_merge (this, &local->stbuf, stbuf);
-
- local->op_ret = 0;
- }
-unlock:
- UNLOCK (&frame->lock);
-out:
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- DHT_STACK_UNWIND (stat, frame, local->op_ret, local->op_errno,
- &local->stbuf, xdata);
- }
-err:
- return 0;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ local = frame->local;
+ prev = cookie;
+
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+
+ goto post_unlock;
+ }
+
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+
+ local->op_ret = 0;
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ DHT_STACK_UNWIND(stat, frame, local->op_ret, local->op_errno,
+ &local->stbuf, xdata);
+ }
+
+ return 0;
}
int
-dht_stat (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
+dht_stat(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- int i = 0;
- int call_cnt = 0;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (loc->path, err);
-
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_STAT);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- layout = local->layout;
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "no layout for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- if (IA_ISREG (loc->inode->ia_type)) {
- local->call_cnt = 1;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int i = 0;
+ int call_cnt = 0;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(loc->path, err);
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_STAT);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg_debug(this->name, 0, "no layout for path=%s", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ if (IA_ISREG(loc->inode->ia_type)) {
+ local->call_cnt = 1;
- subvol = local->cached_subvol;
+ subvol = local->cached_subvol;
- STACK_WIND_COOKIE (frame, dht_file_attr_cbk, subvol, subvol,
- subvol->fops->stat, loc, xdata);
+ STACK_WIND_COOKIE(frame, dht_file_attr_cbk, subvol, subvol,
+ subvol->fops->stat, loc, xdata);
- return 0;
- }
+ return 0;
+ }
- local->call_cnt = call_cnt = layout->cnt;
+ local->call_cnt = call_cnt = layout->cnt;
- for (i = 0; i < call_cnt; i++) {
- subvol = layout->list[i].xlator;
+ for (i = 0; i < call_cnt; i++) {
+ subvol = layout->list[i].xlator;
- STACK_WIND_COOKIE (frame, dht_attr_cbk, subvol, subvol,
- subvol->fops->stat, loc, xdata);
- }
+ STACK_WIND_COOKIE(frame, dht_attr_cbk, subvol, subvol,
+ subvol->fops->stat, loc, xdata);
+ }
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (stat, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(stat, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
+dht_fstat(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- int i = 0;
- int call_cnt = 0;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FSTAT);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- layout = local->layout;
- if (!layout) {
- gf_msg (this->name, GF_LOG_ERROR, 0, 0,
- "no layout for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- if (IA_ISREG (fd->inode->ia_type)) {
- local->call_cnt = 1;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int i = 0;
+ int call_cnt = 0;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FSTAT);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, 0, "no layout for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ if (IA_ISREG(fd->inode->ia_type)) {
+ local->call_cnt = 1;
- subvol = local->cached_subvol;
+ subvol = local->cached_subvol;
- STACK_WIND_COOKIE (frame, dht_file_attr_cbk, subvol,
- subvol, subvol->fops->fstat, fd,
- xdata);
- return 0;
- }
+ STACK_WIND_COOKIE(frame, dht_file_attr_cbk, subvol, subvol,
+ subvol->fops->fstat, fd, xdata);
+ return 0;
+ }
- local->call_cnt = call_cnt = layout->cnt;
+ local->call_cnt = call_cnt = layout->cnt;
- for (i = 0; i < call_cnt; i++) {
- subvol = layout->list[i].xlator;
- STACK_WIND_COOKIE (frame, dht_attr_cbk, subvol, subvol,
- subvol->fops->fstat, fd, xdata);
- }
+ for (i = 0; i < call_cnt; i++) {
+ subvol = layout->list[i].xlator;
+ STACK_WIND_COOKIE(frame, dht_attr_cbk, subvol, subvol,
+ subvol->fops->fstat, fd, xdata);
+ }
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fstat, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fstat, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
int
-dht_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- struct iovec *vector, int count, struct iatt *stbuf,
- struct iobref *iobref, dict_t *xdata)
+dht_readv_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iovec *vector, int count, struct iatt *stbuf,
+ struct iobref *iobref, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int ret = 0;
- xlator_t *src_subvol = 0;
- xlator_t *dst_subvol = 0;
-
- local = frame->local;
- if (!local) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
+ dht_local_t *local = NULL;
+ int ret = 0;
+ xlator_t *src_subvol = 0;
+ xlator_t *dst_subvol = 0;
+
+ local = frame->local;
+ if (!local) {
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ /* This is already second try, no need for re-check */
+ if (local->call_cnt != 1)
+ goto out;
+
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- /* This is already second try, no need for re-check */
- if (local->call_cnt != 1)
- goto out;
+ if ((op_ret == -1) && !dht_inode_missing(op_errno))
+ goto out;
- if (op_ret == -1 && (op_errno == EBADF) && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
+ local->op_errno = op_errno;
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(stbuf)) {
+ local->op_ret = op_ret;
+ local->rebalance.target_op_fn = dht_readv2;
+ dht_set_local_rebalance(this, local, NULL, NULL, stbuf, xdata);
+ /* File would be migrated to other node */
+ ret = dht_inode_ctx_get_mig_info(this, local->fd->inode, &src_subvol,
+ &dst_subvol);
+
+ if (dht_mig_info_is_invalid(local->cached_subvol, src_subvol,
+ dst_subvol) ||
+ !dht_fd_open_on_dst(this, local->fd, dst_subvol)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
return 0;
+ } else {
+ /* value is already set in fd_ctx, that means no need
+ to check for whether its complete or not. */
+ dht_readv2(this, dst_subvol, frame, 0);
+ return 0;
}
-
- if ((op_ret == -1) && !dht_inode_missing(op_errno))
- goto out;
-
-
- local->op_errno = op_errno;
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (stbuf)) {
-
- local->op_ret = op_ret;
- local->rebalance.target_op_fn = dht_readv2;
- dht_set_local_rebalance (this, local, NULL, NULL,
- stbuf, xdata);
- /* File would be migrated to other node */
- ret = dht_inode_ctx_get_mig_info (this, local->fd->inode,
- &src_subvol,
- &dst_subvol);
-
- if (dht_mig_info_is_invalid (local->cached_subvol,
- src_subvol, dst_subvol)
- || !dht_fd_open_on_dst(this, local->fd, dst_subvol)) {
-
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- } else {
- /* value is already set in fd_ctx, that means no need
- to check for whether its complete or not. */
- dht_readv2 (this, dst_subvol, frame, 0);
- return 0;
- }
- }
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (stbuf);
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
- DHT_STACK_UNWIND (readv, frame, op_ret, op_errno, vector, count, stbuf,
- iobref, xdata);
+ DHT_STACK_UNWIND(readv, frame, op_ret, op_errno, vector, count, stbuf,
+ iobref, xdata);
- return 0;
+ return 0;
}
-int
-dht_readv2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_readv2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
-
- local = frame->local;
- if (!local)
- goto out;
-
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (readv, frame, local->op_ret, op_errno,
- NULL, 0, &local->rebalance.postbuf,
- NULL, local->rebalance.xdata);
- return 0;
- }
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
+
+ local = frame->local;
+ if (!local)
+ goto out;
+
+ op_errno = local->op_errno;
+
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(readv, frame, local->op_ret, op_errno, NULL, 0,
+ &local->rebalance.postbuf, NULL,
+ local->rebalance.xdata);
+ return 0;
+ }
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2;
+ local->call_cnt = 2;
- STACK_WIND (frame, dht_readv_cbk, subvol, subvol->fops->readv,
- local->fd, local->rebalance.size, local->rebalance.offset,
- local->rebalance.flags, local->xattr_req);
+ STACK_WIND(frame, dht_readv_cbk, subvol, subvol->fops->readv, local->fd,
+ local->rebalance.size, local->rebalance.offset,
+ local->rebalance.flags, local->xattr_req);
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (readv, frame, -1, op_errno, NULL, 0, NULL, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(readv, frame, -1, op_errno, NULL, 0, NULL, NULL, NULL);
+ return 0;
}
-
int
-dht_readv (call_frame_t *frame, xlator_t *this,
- fd_t *fd, size_t size, off_t off, uint32_t flags, dict_t *xdata)
+dht_readv(call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, off_t off,
+ uint32_t flags, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_READ);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
- if (xdata)
- local->xattr_req = dict_ref (xdata);
+ local = dht_local_init(frame, NULL, fd, GF_FOP_READ);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- local->rebalance.offset = off;
- local->rebalance.size = size;
- local->rebalance.flags = flags;
- local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
- STACK_WIND (frame, dht_readv_cbk, subvol, subvol->fops->readv,
- local->fd, local->rebalance.size,
- local->rebalance.offset,
- local->rebalance.flags, local->xattr_req);
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
- return 0;
+ local->rebalance.offset = off;
+ local->rebalance.size = size;
+ local->rebalance.flags = flags;
+ local->call_cnt = 1;
+
+ STACK_WIND(frame, dht_readv_cbk, subvol, subvol->fops->readv, local->fd,
+ local->rebalance.size, local->rebalance.offset,
+ local->rebalance.flags, local->xattr_req);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (readv, frame, -1, op_errno, NULL, 0, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(readv, frame, -1, op_errno, NULL, 0, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-int
-dht_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+static int
+dht_access_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xdata)
{
- int ret = -1;
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- xlator_t *prev = NULL;
-
- local = frame->local;
- prev = cookie;
-
- if (!prev)
- goto out;
- if (local->call_cnt != 1)
- goto out;
- if ((op_ret == -1) && ((op_errno == ENOTCONN) ||
- dht_inode_missing(op_errno)) &&
- IA_ISDIR(local->loc.inode->ia_type)) {
- subvol = dht_subvol_next_available (this, prev);
- if (!subvol)
- goto out;
-
- /* check if we are done with visiting every node */
- if (subvol == local->cached_subvol) {
- goto out;
- }
-
- STACK_WIND_COOKIE (frame, dht_access_cbk, subvol, subvol,
- subvol->fops->access, &local->loc,
- local->rebalance.flags, NULL);
- return 0;
- }
- if ((op_ret == -1) && dht_inode_missing(op_errno) &&
- !(IA_ISDIR(local->loc.inode->ia_type))) {
- /* File would be migrated to other node */
- local->op_errno = op_errno;
- local->rebalance.target_op_fn = dht_access2;
- ret = dht_rebalance_complete_check (frame->this, frame);
- if (!ret)
- return 0;
- }
+ int ret = -1;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *prev = NULL;
+
+ local = frame->local;
+ prev = cookie;
+
+ if (!prev)
+ goto out;
+ if (local->call_cnt != 1)
+ goto out;
+ if ((op_ret == -1) &&
+ ((op_errno == ENOTCONN) || dht_inode_missing(op_errno)) &&
+ IA_ISDIR(local->loc.inode->ia_type)) {
+ subvol = dht_subvol_next_available(this, prev);
+ if (!subvol)
+ goto out;
+
+ /* check if we are done with visiting every node */
+ if (subvol == local->cached_subvol) {
+ goto out;
+ }
+
+ STACK_WIND_COOKIE(frame, dht_access_cbk, subvol, subvol,
+ subvol->fops->access, &local->loc,
+ local->rebalance.flags, NULL);
+ return 0;
+ }
+ if ((op_ret == -1) && dht_inode_missing(op_errno) &&
+ !(IA_ISDIR(local->loc.inode->ia_type))) {
+ /* File would be migrated to other node */
+ local->op_errno = op_errno;
+ local->rebalance.target_op_fn = dht_access2;
+ ret = dht_rebalance_complete_check(frame->this, frame);
+ if (!ret)
+ return 0;
+ }
out:
- DHT_STACK_UNWIND (access, frame, op_ret, op_errno, xdata);
- return 0;
+ DHT_STACK_UNWIND(access, frame, op_ret, op_errno, xdata);
+ return 0;
}
-int
-dht_access2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_access2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int op_errno = EINVAL;
- local = frame->local;
- if (!local)
- goto out;
+ local = frame->local;
+ if (!local)
+ goto out;
- op_errno = local->op_errno;
+ op_errno = local->op_errno;
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
- DHT_STACK_UNWIND (access, frame, -1, op_errno, NULL);
- return 0;
- }
+ DHT_STACK_UNWIND(access, frame, -1, op_errno, NULL);
+ return 0;
+ }
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2;
+ local->call_cnt = 2;
- STACK_WIND_COOKIE (frame, dht_access_cbk, subvol, subvol,
- subvol->fops->access, &local->loc,
- local->rebalance.flags, local->xattr_req);
+ STACK_WIND_COOKIE(frame, dht_access_cbk, subvol, subvol,
+ subvol->fops->access, &local->loc, local->rebalance.flags,
+ local->xattr_req);
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (access, frame, -1, op_errno, NULL);
- return 0;
+ DHT_STACK_UNWIND(access, frame, -1, op_errno, NULL);
+ return 0;
}
-
int
-dht_access (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask,
- dict_t *xdata)
+dht_access(call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (loc->path, err);
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_ACCESS);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->rebalance.flags = mask;
- local->call_cnt = 1;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- STACK_WIND_COOKIE (frame, dht_access_cbk, subvol, subvol,
- subvol->fops->access, loc, mask, xdata);
-
- return 0;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(loc->path, err);
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_ACCESS);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->rebalance.flags = mask;
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for path=%s",
+ loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ STACK_WIND_COOKIE(frame, dht_access_cbk, subvol, subvol,
+ subvol->fops->access, loc, mask, xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (access, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(access, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
-
int
-dht_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+dht_flush_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *subvol = 0;
- int ret = 0;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = 0;
+ int ret = 0;
- local = frame->local;
+ local = frame->local;
- local->op_errno = op_errno;
+ local->op_errno = op_errno;
- if (local->call_cnt != 1)
- goto out;
+ if (local->call_cnt != 1)
+ goto out;
- if (op_ret == -1 && (op_errno == EBADF) && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- local->rebalance.target_op_fn = dht_flush2;
+ local->rebalance.target_op_fn = dht_flush2;
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- /* If context is set, then send flush() it to the destination */
- dht_inode_ctx_get_mig_info (this, local->fd->inode, NULL, &subvol);
- if (subvol && dht_fd_open_on_dst (this, local->fd, subvol)) {
- dht_flush2 (this, subvol, frame, 0);
- return 0;
- }
+ /* If context is set, then send flush() it to the destination */
+ dht_inode_ctx_get_mig_info(this, local->fd->inode, NULL, &subvol);
+ if (subvol && dht_fd_open_on_dst(this, local->fd, subvol)) {
+ dht_flush2(this, subvol, frame, 0);
+ return 0;
+ }
- if (op_errno == EREMOTE) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret) {
- return 0;
- }
+ if (op_errno == EREMOTE) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret) {
+ return 0;
}
+ }
out:
- DHT_STACK_UNWIND (flush, frame, op_ret, op_errno, xdata);
+ DHT_STACK_UNWIND(flush, frame, op_ret, op_errno, xdata);
- return 0;
+ return 0;
}
-int
-dht_flush2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_flush2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if ((frame == NULL) || (frame->local == NULL))
- goto out;
+ if ((frame == NULL) || (frame->local == NULL))
+ goto out;
- local = frame->local;
+ local = frame->local;
- op_errno = local->op_errno;
+ op_errno = local->op_errno;
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2; /* This is the second attempt */
+ local->call_cnt = 2; /* This is the second attempt */
- STACK_WIND (frame, dht_flush_cbk,
- subvol, subvol->fops->flush, local->fd,
- local->xattr_req);
+ STACK_WIND(frame, dht_flush_cbk, subvol, subvol->fops->flush, local->fd,
+ local->xattr_req);
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (flush, frame, -1, op_errno, NULL);
- return 0;
+ DHT_STACK_UNWIND(flush, frame, -1, op_errno, NULL);
+ return 0;
}
-
int
-dht_flush (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
+dht_flush(call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FLUSH);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
- if (xdata)
- local->xattr_req = dict_ref (xdata);
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FLUSH);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
- STACK_WIND (frame, dht_flush_cbk,
- subvol, subvol->fops->flush, fd, local->xattr_req);
- return 0;
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ local->call_cnt = 1;
+
+ STACK_WIND(frame, dht_flush_cbk, subvol, subvol->fops->flush, fd,
+ local->xattr_req);
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (flush, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(flush, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
-
int
-dht_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
- int op_errno, struct iatt *prebuf, struct iatt *postbuf,
- dict_t *xdata)
+dht_fsync_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
- inode_t *inode = NULL;
- xlator_t *src_subvol = 0;
- xlator_t *dst_subvol = 0;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ inode_t *inode = NULL;
+ xlator_t *src_subvol = 0;
+ xlator_t *dst_subvol = 0;
- local = frame->local;
- prev = cookie;
+ local = frame->local;
+ prev = cookie;
- local->op_errno = op_errno;
+ local->op_errno = op_errno;
- if (op_ret == -1 && (op_errno == EBADF) && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- if (op_ret == -1 && !dht_inode_missing(op_errno)) {
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto out;
- }
+ if (op_ret == -1 && !dht_inode_missing(op_errno)) {
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto out;
+ }
- if (local->call_cnt != 1) {
- if (local->stbuf.ia_blocks) {
- dht_iatt_merge (this, postbuf, &local->stbuf);
- dht_iatt_merge (this, prebuf, &local->prebuf);
- }
- goto out;
+ if (local->call_cnt != 1) {
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge(this, postbuf, &local->stbuf);
+ dht_iatt_merge(this, prebuf, &local->prebuf);
}
+ goto out;
+ }
- local->op_ret = op_ret;
- inode = local->fd->inode;
-
- local->rebalance.target_op_fn = dht_fsync2;
- dht_set_local_rebalance (this, local, NULL, prebuf,
- postbuf, xdata);
-
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- }
+ local->op_ret = op_ret;
+ inode = local->fd->inode;
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
+ local->rebalance.target_op_fn = dht_fsync2;
+ dht_set_local_rebalance(this, local, NULL, prebuf, postbuf, xdata);
- dht_iatt_merge (this, &local->stbuf, postbuf);
- dht_iatt_merge (this, &local->prebuf, prebuf);
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(postbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
- dht_inode_ctx_get_mig_info (this, inode, &src_subvol, &dst_subvol);
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(postbuf)) {
+ dht_iatt_merge(this, &local->stbuf, postbuf);
+ dht_iatt_merge(this, &local->prebuf, prebuf);
- if (dht_mig_info_is_invalid (local->cached_subvol, src_subvol,
- dst_subvol) ||
- !dht_fd_open_on_dst (this, local->fd, dst_subvol)) {
+ dht_inode_ctx_get_mig_info(this, inode, &src_subvol, &dst_subvol);
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
- } else {
- dht_fsync2 (this, dst_subvol, frame, 0);
- return 0;
- }
+ if (dht_mig_info_is_invalid(local->cached_subvol, src_subvol,
+ dst_subvol) ||
+ !dht_fd_open_on_dst(this, local->fd, dst_subvol)) {
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ } else {
+ dht_fsync2(this, dst_subvol, frame, 0);
+ return 0;
}
-
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (postbuf);
- DHT_STRIP_PHASE1_FLAGS (prebuf);
+ DHT_STRIP_PHASE1_FLAGS(postbuf);
+ DHT_STRIP_PHASE1_FLAGS(prebuf);
- DHT_STACK_UNWIND (fsync, frame, op_ret, op_errno,
- prebuf, postbuf, xdata);
+ DHT_STACK_UNWIND(fsync, frame, op_ret, op_errno, prebuf, postbuf, xdata);
- return 0;
+ return 0;
}
-int
-dht_fsync2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_fsync2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
-
- if ((frame == NULL) || (frame->local == NULL))
- goto out;
-
- local = frame->local;
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (fsync, frame, local->op_ret,
- op_errno, &local->rebalance.prebuf,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
- return 0;
- }
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
+
+ if ((frame == NULL) || (frame->local == NULL))
+ goto out;
+
+ local = frame->local;
+ op_errno = local->op_errno;
+
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(fsync, frame, local->op_ret, op_errno,
+ &local->rebalance.prebuf, &local->rebalance.postbuf,
+ local->rebalance.xdata);
+ return 0;
+ }
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2; /* This is the second attempt */
+ local->call_cnt = 2; /* This is the second attempt */
- STACK_WIND_COOKIE (frame, dht_fsync_cbk, subvol, subvol,
- subvol->fops->fsync, local->fd,
- local->rebalance.flags, local->xattr_req);
+ STACK_WIND_COOKIE(frame, dht_fsync_cbk, subvol, subvol, subvol->fops->fsync,
+ local->fd, local->rebalance.flags, local->xattr_req);
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (fsync, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(fsync, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
int
-dht_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int datasync,
- dict_t *xdata)
+dht_fsync(call_frame_t *frame, xlator_t *this, fd_t *fd, int datasync,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
- local = dht_local_init (frame, NULL, fd, GF_FOP_FSYNC);
- if (!local) {
- op_errno = ENOMEM;
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FSYNC);
+ if (!local) {
+ op_errno = ENOMEM;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
- local->call_cnt = 1;
- local->rebalance.flags = datasync;
+ local->call_cnt = 1;
+ local->rebalance.flags = datasync;
- subvol = local->cached_subvol;
+ subvol = local->cached_subvol;
- STACK_WIND_COOKIE (frame, dht_fsync_cbk, subvol, subvol,
- subvol->fops->fsync, local->fd,
- local->rebalance.flags, local->xattr_req);
- return 0;
+ STACK_WIND_COOKIE(frame, dht_fsync_cbk, subvol, subvol, subvol->fops->fsync,
+ local->fd, local->rebalance.flags, local->xattr_req);
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fsync, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fsync, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
/* TODO: for 'lk()' call, we need some other special error, may be ESTALE to
indicate that lock migration happened on the fd, so we can consider it as
phase 2 of migration */
-int
-dht_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct gf_flock *flock, dict_t *xdata)
+static int
+dht_lk_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct gf_flock *flock, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int ret = -1;
- xlator_t *subvol = NULL;
+ dht_local_t *local = NULL;
+ int ret = -1;
+ xlator_t *subvol = NULL;
- local = frame->local;
+ local = frame->local;
- if (!local) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
+ if (!local) {
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
- if (local->call_cnt != 1)
- goto out;
+ if (local->call_cnt != 1)
+ goto out;
- local->rebalance.target_op_fn = dht_lk2;
+ local->rebalance.target_op_fn = dht_lk2;
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- if (xdata)
- local->rebalance.xdata = dict_ref (xdata);
-
- if (op_errno == EREMOTE) {
- dht_inode_ctx_get_mig_info (this, local->fd->inode,
- NULL, &subvol);
- if (subvol && dht_fd_open_on_dst (this, local->fd, subvol)) {
- dht_lk2 (this, subvol, frame, 0);
- return 0;
- } else {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret) {
- return 0;
- }
- }
+ if (xdata)
+ local->rebalance.xdata = dict_ref(xdata);
+
+ if (op_errno == EREMOTE) {
+ dht_inode_ctx_get_mig_info(this, local->fd->inode, NULL, &subvol);
+ if (subvol && dht_fd_open_on_dst(this, local->fd, subvol)) {
+ dht_lk2(this, subvol, frame, 0);
+ return 0;
+ } else {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret) {
+ return 0;
+ }
}
+ }
out:
- dht_lk_inode_unref (frame, op_ret);
- DHT_STACK_UNWIND (lk, frame, op_ret, op_errno, flock, xdata);
+ dht_lk_inode_unref(frame, op_ret);
+ DHT_STACK_UNWIND(lk, frame, op_ret, op_errno, flock, xdata);
- return 0;
+ return 0;
}
-int
-dht_lk2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_lk2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if ((frame == NULL) || (frame->local == NULL))
- goto out;
+ if ((frame == NULL) || (frame->local == NULL))
+ goto out;
- local = frame->local;
+ local = frame->local;
- op_errno = local->op_errno;
+ op_errno = local->op_errno;
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2; /* This is the second attempt */
+ local->call_cnt = 2; /* This is the second attempt */
- STACK_WIND (frame, dht_lk_cbk, subvol, subvol->fops->lk, local->fd,
- local->rebalance.lock_cmd, &local->rebalance.flock,
- local->xattr_req);
+ STACK_WIND(frame, dht_lk_cbk, subvol, subvol->fops->lk, local->fd,
+ local->rebalance.lock_cmd, &local->rebalance.flock,
+ local->xattr_req);
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (lk, frame, -1, op_errno, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(lk, frame, -1, op_errno, NULL, NULL);
+ return 0;
}
int
-dht_lk (call_frame_t *frame, xlator_t *this,
- fd_t *fd, int cmd, struct gf_flock *flock, dict_t *xdata)
+dht_lk(call_frame_t *frame, xlator_t *this, fd_t *fd, int cmd,
+ struct gf_flock *flock, dict_t *xdata)
{
- xlator_t *lock_subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_LK);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->lock_type = flock->l_type;
- lock_subvol = dht_get_lock_subvolume (this, flock, local);
- if (!lock_subvol) {
- gf_msg_debug (this->name, 0,
- "no lock subvolume for path=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
-
-/*
- local->cached_subvol = lock_subvol;
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto err;
-*/
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- local->rebalance.flock = *flock;
- local->rebalance.lock_cmd = cmd;
-
- local->call_cnt = 1;
-
- STACK_WIND (frame, dht_lk_cbk, lock_subvol, lock_subvol->fops->lk, fd,
- cmd, flock, xdata);
-
- return 0;
+ xlator_t *lock_subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_LK);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->lock_type = flock->l_type;
+ lock_subvol = dht_get_lock_subvolume(this, flock, local);
+ if (!lock_subvol) {
+ gf_msg_debug(this->name, 0, "no lock subvolume for path=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ /*
+ local->cached_subvol = lock_subvol;
+ ret = dht_check_and_open_fd_on_subvol (this, frame);
+ if (ret)
+ goto err;
+ */
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ local->rebalance.flock = *flock;
+ local->rebalance.lock_cmd = cmd;
+
+ local->call_cnt = 1;
+
+ STACK_WIND(frame, dht_lk_cbk, lock_subvol, lock_subvol->fops->lk, fd, cmd,
+ flock, xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (lk, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(lk, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-int
-dht_lease_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct gf_lease *lease, dict_t *xdata)
+static int
+dht_lease_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct gf_lease *lease, dict_t *xdata)
{
- DHT_STACK_UNWIND (lease, frame, op_ret, op_errno, lease, xdata);
+ DHT_STACK_UNWIND(lease, frame, op_ret, op_errno, lease, xdata);
- return 0;
+ return 0;
}
int
-dht_lease (call_frame_t *frame, xlator_t *this,
- loc_t *loc, struct gf_lease *lease, dict_t *xdata)
+dht_lease(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ struct gf_lease *lease, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
-
- subvol = dht_subvol_get_cached (this, loc->inode);
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
- /* TODO: for rebalance, we need to preserve the fop arguments */
- STACK_WIND (frame, dht_lease_cbk, subvol, subvol->fops->lease,
- loc, lease, xdata);
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
- return 0;
+ subvol = dht_subvol_get_cached(this, loc->inode);
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for path=%s",
+ loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ /* TODO: for rebalance, we need to preserve the fop arguments */
+ STACK_WIND(frame, dht_lease_cbk, subvol, subvol->fops->lease, loc, lease,
+ xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (lease, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(lease, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
/* Symlinks are currently not migrated, so no need for any check here */
-int
-dht_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, const char *path,
- struct iatt *stbuf, dict_t *xdata)
+static int
+dht_readlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, const char *path, struct iatt *stbuf,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
- if (op_ret == -1)
- goto err;
+ local = frame->local;
+ if (op_ret == -1)
+ goto err;
- if (!local) {
- op_ret = -1;
- op_errno = EINVAL;
- }
+ if (!local) {
+ op_ret = -1;
+ op_errno = EINVAL;
+ }
err:
- DHT_STRIP_PHASE1_FLAGS (stbuf);
- DHT_STACK_UNWIND (readlink, frame, op_ret, op_errno, path, stbuf, xdata);
+ DHT_STRIP_PHASE1_FLAGS(stbuf);
+ DHT_STACK_UNWIND(readlink, frame, op_ret, op_errno, path, stbuf, xdata);
- return 0;
+ return 0;
}
-
int
-dht_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size,
- dict_t *xdata)
+dht_readlink(call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (loc->path, err);
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_READLINK);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
-
- STACK_WIND (frame, dht_readlink_cbk,
- subvol, subvol->fops->readlink,
- loc, size, xdata);
-
- return 0;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(loc->path, err);
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_READLINK);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for path=%s",
+ loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ STACK_WIND(frame, dht_readlink_cbk, subvol, subvol->fops->readlink, loc,
+ size, xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (readlink, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(readlink, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
-int
-dht_common_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict,
- dict_t *xdata)
+/* Get both DHT_IATT_IN_XDATA_KEY and DHT_MODE_IN_XDATA_KEY
+ * Use DHT_MODE_IN_XDATA_KEY if available, else fall back to
+ * DHT_IATT_IN_XDATA_KEY
+ * This will return a dummy iatt with only the mode and type set
+ */
+static int
+dht_read_iatt_from_xdata(dict_t *xdata, struct iatt *stbuf)
{
- dht_local_t *local = NULL;
- call_frame_t *call_frame = NULL;
- xlator_t *prev = NULL;
- xlator_t *src_subvol = NULL;
- xlator_t *dst_subvol = NULL;
- struct iatt stbuf = {0,};
- int ret = -1;
- inode_t *inode = NULL;
-
- local = frame->local;
- call_frame = cookie;
- prev = call_frame->this;
+ int ret = -1;
+ int32_t mode = 0;
- local->op_errno = op_errno;
-
- if ((op_ret == -1) && !dht_inode_missing (op_errno)) {
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1.",
- prev->name);
- goto out;
- }
+ ret = dict_get_int32(xdata, DHT_MODE_IN_XDATA_KEY, &mode);
- if (local->call_cnt != 1)
- goto out;
+ if (ret) {
+ ret = dict_get_bin(xdata, DHT_IATT_IN_XDATA_KEY, (void **)&stbuf);
+ } else {
+ stbuf->ia_prot = ia_prot_from_st_mode(mode);
+ stbuf->ia_type = ia_type_from_st_mode(mode);
+ }
- ret = dht_read_iatt_from_xdata (this, xdata, &stbuf);
-
- if ((!op_ret) && (ret)) {
- /* This is a potential problem and can cause corruption
- * with sharding.
- * Oh well. We tried.
- */
- goto out;
- }
-
- local->op_ret = op_ret;
- local->rebalance.target_op_fn = dht_common_xattrop2;
- if (xdata)
- local->rebalance.xdata = dict_ref (xdata);
+ return ret;
+}
- if (dict)
- local->rebalance.dict = dict_ref (dict);
+int
+dht_common_xattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict,
+ dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ call_frame_t *call_frame = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *src_subvol = NULL;
+ xlator_t *dst_subvol = NULL;
+ struct iatt stbuf = {
+ 0,
+ };
+ int ret = -1;
+ inode_t *inode = NULL;
+
+ local = frame->local;
+ call_frame = cookie;
+ prev = call_frame->this;
+
+ local->op_errno = op_errno;
+
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1.",
+ prev->name);
+ goto out;
+ }
+
+ if (local->call_cnt != 1)
+ goto out;
+
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (&stbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- }
+ ret = dht_read_iatt_from_xdata(xdata, &stbuf);
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (&stbuf)) {
+ if ((!op_ret) && (ret)) {
+ /* This is a potential problem and can cause corruption
+ * with sharding.
+ * Oh well. We tried.
+ */
+ goto out;
+ }
- inode = local->loc.inode ? local->loc.inode : local->fd->inode;
- dht_inode_ctx_get_mig_info (this, inode, &src_subvol,
- &dst_subvol);
+ local->op_ret = op_ret;
+ local->rebalance.target_op_fn = dht_common_xattrop2;
+ if (xdata)
+ local->rebalance.xdata = dict_ref(xdata);
- if (dht_mig_info_is_invalid (local->cached_subvol, src_subvol,
- dst_subvol) ||
- !dht_fd_open_on_dst (this, local->fd, dst_subvol)) {
+ if (dict)
+ local->rebalance.dict = dict_ref(dict);
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
- } else {
- dht_common_xattrop2 (this, dst_subvol, frame, 0);
- return 0;
- }
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(&stbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
+
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(&stbuf)) {
+ inode = local->loc.inode ? local->loc.inode : local->fd->inode;
+ dht_inode_ctx_get_mig_info(this, inode, &src_subvol, &dst_subvol);
+
+ if (dht_mig_info_is_invalid(local->cached_subvol, src_subvol,
+ dst_subvol) ||
+ !dht_fd_open_on_dst(this, local->fd, dst_subvol)) {
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ } else {
+ dht_common_xattrop2(this, dst_subvol, frame, 0);
+ return 0;
}
-
+ }
out:
- if (local->fop == GF_FOP_XATTROP) {
- DHT_STACK_UNWIND (xattrop, frame, op_ret, op_errno,
- dict, xdata);
- } else {
- DHT_STACK_UNWIND (fxattrop, frame, op_ret, op_errno,
- dict, xdata);
- }
+ if (local->fop == GF_FOP_XATTROP) {
+ DHT_STACK_UNWIND(xattrop, frame, op_ret, op_errno, dict, xdata);
+ } else {
+ DHT_STACK_UNWIND(fxattrop, frame, op_ret, op_errno, dict, xdata);
+ }
- return 0;
+ return 0;
}
-
-int
-dht_common_xattrop2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame,
- int ret)
+static int
+dht_common_xattrop2(xlator_t *this, xlator_t *subvol, call_frame_t *frame,
+ int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
-
- if ((frame == NULL) || (frame->local == NULL))
- goto out;
-
- local = frame->local;
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- if (local->fop == GF_FOP_XATTROP) {
- DHT_STACK_UNWIND (xattrop, frame, local->op_ret,
- op_errno, local->rebalance.dict,
- local->rebalance.xdata);
- } else {
- DHT_STACK_UNWIND (fxattrop, frame, local->op_ret,
- op_errno, local->rebalance.dict,
- local->rebalance.xdata);
- }
-
- return 0;
- }
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if (subvol == NULL)
- goto out;
+ if ((frame == NULL) || (frame->local == NULL))
+ goto out;
- local->call_cnt = 2; /* This is the second attempt */
+ local = frame->local;
+ op_errno = local->op_errno;
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
if (local->fop == GF_FOP_XATTROP) {
- STACK_WIND (frame, dht_common_xattrop_cbk, subvol,
- subvol->fops->xattrop, &local->loc,
- local->rebalance.flags, local->rebalance.xattr,
- local->xattr_req);
+ DHT_STACK_UNWIND(xattrop, frame, local->op_ret, op_errno,
+ local->rebalance.dict, local->rebalance.xdata);
} else {
- STACK_WIND (frame, dht_common_xattrop_cbk, subvol,
- subvol->fops->fxattrop, local->fd,
- local->rebalance.flags, local->rebalance.xattr,
- local->xattr_req);
+ DHT_STACK_UNWIND(fxattrop, frame, local->op_ret, op_errno,
+ local->rebalance.dict, local->rebalance.xdata);
}
return 0;
+ }
+
+ if (subvol == NULL)
+ goto out;
+
+ local->call_cnt = 2; /* This is the second attempt */
+
+ if (local->fop == GF_FOP_XATTROP) {
+ STACK_WIND(frame, dht_common_xattrop_cbk, subvol, subvol->fops->xattrop,
+ &local->loc, local->rebalance.flags, local->rebalance.xattr,
+ local->xattr_req);
+ } else {
+ STACK_WIND(frame, dht_common_xattrop_cbk, subvol,
+ subvol->fops->fxattrop, local->fd, local->rebalance.flags,
+ local->rebalance.xattr, local->xattr_req);
+ }
+
+ return 0;
out:
- /* If local is unavailable we could be unwinding the wrong
- * function here */
+ /* If local is unavailable we could be unwinding the wrong
+ * function here */
- if (local && (local->fop == GF_FOP_XATTROP)) {
- DHT_STACK_UNWIND (xattrop, frame, -1, op_errno, NULL, NULL);
- } else {
- DHT_STACK_UNWIND (fxattrop, frame, -1, op_errno, NULL, NULL);
- }
- return 0;
+ if (local && (local->fop == GF_FOP_XATTROP)) {
+ DHT_STACK_UNWIND(xattrop, frame, -1, op_errno, NULL, NULL);
+ } else {
+ DHT_STACK_UNWIND(fxattrop, frame, -1, op_errno, NULL, NULL);
+ }
+ return 0;
}
-
-int
-dht_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+static int
+dht_xattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
{
- DHT_STACK_UNWIND (xattrop, frame, op_ret, op_errno, dict, xdata);
- return 0;
+ DHT_STACK_UNWIND(xattrop, frame, op_ret, op_errno, dict, xdata);
+ return 0;
}
-
-int
-dht_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,
- gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata)
+/* Set both DHT_IATT_IN_XDATA_KEY and DHT_MODE_IN_XDATA_KEY
+ * Use DHT_MODE_IN_XDATA_KEY if available. Else fall back to
+ * DHT_IATT_IN_XDATA_KEY
+ */
+static int
+dht_request_iatt_in_xdata(dict_t *xattr_req)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
- int ret = -1;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_XATTROP);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ int ret = -1;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for gfid=%s",
- uuid_utoa (loc->inode->gfid));
- op_errno = EINVAL;
- goto err;
- }
-
- /* Todo : Handle dirs as well. At the moment the only xlator above dht
- * that uses xattrop is sharding and that is only for files */
-
- if (IA_ISDIR (loc->inode->ia_type)) {
- STACK_WIND (frame, dht_xattrop_cbk, subvol,
- subvol->fops->xattrop, loc, flags, dict, xdata);
+ ret = dict_set_int8(xattr_req, DHT_MODE_IN_XDATA_KEY, 1);
+ ret = dict_set_int8(xattr_req, DHT_IATT_IN_XDATA_KEY, 1);
- } else {
- local->xattr_req = xdata ? dict_ref(xdata) : dict_new ();
- local->call_cnt = 1;
+ /* At least one call succeeded */
+ return ret;
+}
- local->rebalance.xattr = dict_ref (dict);
- local->rebalance.flags = flags;
+int
+dht_xattrop(call_frame_t *frame, xlator_t *this, loc_t *loc,
+ gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata)
+{
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ int ret = -1;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_XATTROP);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for gfid=%s",
+ uuid_utoa(loc->inode->gfid));
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ /* Todo : Handle dirs as well. At the moment the only xlator above dht
+ * that uses xattrop is sharding and that is only for files */
+
+ if (IA_ISDIR(loc->inode->ia_type)) {
+ STACK_WIND(frame, dht_xattrop_cbk, subvol, subvol->fops->xattrop, loc,
+ flags, dict, xdata);
+
+ } else {
+ local->xattr_req = xdata ? dict_ref(xdata) : dict_new();
+ local->call_cnt = 1;
- ret = dht_request_iatt_in_xdata (this, local->xattr_req);
+ local->rebalance.xattr = dict_ref(dict);
+ local->rebalance.flags = flags;
- if (ret) {
- gf_msg_debug (this->name, 0,
- "Failed to set dictionary key %s file=%s",
- DHT_IATT_IN_XDATA_KEY, loc->path);
- }
+ ret = dht_request_iatt_in_xdata(local->xattr_req);
- STACK_WIND (frame, dht_common_xattrop_cbk, subvol,
- subvol->fops->xattrop, loc,
- local->rebalance.flags, local->rebalance.xattr,
- local->xattr_req);
+ if (ret) {
+ gf_msg_debug(this->name, 0,
+ "Failed to set dictionary key %s file=%s",
+ DHT_IATT_IN_XDATA_KEY, loc->path);
}
- return 0;
+ STACK_WIND(frame, dht_common_xattrop_cbk, subvol, subvol->fops->xattrop,
+ loc, local->rebalance.flags, local->rebalance.xattr,
+ local->xattr_req);
+ }
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (xattrop, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(xattrop, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
-
-int
-dht_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
+static int
+dht_fxattrop_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict, dict_t *xdata)
{
- DHT_STACK_UNWIND (fxattrop, frame, op_ret, op_errno, dict, xdata);
- return 0;
+ DHT_STACK_UNWIND(fxattrop, frame, op_ret, op_errno, dict, xdata);
+ return 0;
}
-
int
-dht_fxattrop (call_frame_t *frame, xlator_t *this,
- fd_t *fd, gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata)
+dht_fxattrop(call_frame_t *frame, xlator_t *this, fd_t *fd,
+ gf_xattrop_flags_t flags, dict_t *dict, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
- int ret = -1;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- subvol = dht_subvol_get_cached (this, fd->inode);
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FXATTROP);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- /* Todo : Handle dirs as well. At the moment the only xlator above dht
- * that uses xattrop is sharding and that is only for files */
-
- if (IA_ISDIR (fd->inode->ia_type)) {
- STACK_WIND (frame, dht_fxattrop_cbk, subvol,
- subvol->fops->fxattrop, fd, flags, dict, xdata);
-
- } else {
- local->xattr_req = xdata ? dict_ref(xdata) : dict_new ();
- local->call_cnt = 1;
-
- local->rebalance.xattr = dict_ref (dict);
- local->rebalance.flags = flags;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ int ret = -1;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ subvol = dht_subvol_get_cached(this, fd->inode);
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FXATTROP);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ /* Todo : Handle dirs as well. At the moment the only xlator above dht
+ * that uses xattrop is sharding and that is only for files */
+
+ if (IA_ISDIR(fd->inode->ia_type)) {
+ STACK_WIND(frame, dht_fxattrop_cbk, subvol, subvol->fops->fxattrop, fd,
+ flags, dict, xdata);
+
+ } else {
+ local->xattr_req = xdata ? dict_ref(xdata) : dict_new();
+ local->call_cnt = 1;
- ret = dht_request_iatt_in_xdata (this, local->xattr_req);
+ local->rebalance.xattr = dict_ref(dict);
+ local->rebalance.flags = flags;
- if (ret) {
- gf_msg_debug (this->name, 0,
- "Failed to set dictionary key %s fd=%p",
- DHT_IATT_IN_XDATA_KEY, fd);
- }
+ ret = dht_request_iatt_in_xdata(local->xattr_req);
- STACK_WIND (frame, dht_common_xattrop_cbk, subvol,
- subvol->fops->fxattrop, fd,
- local->rebalance.flags, local->rebalance.xattr,
- local->xattr_req);
+ if (ret) {
+ gf_msg_debug(this->name, 0, "Failed to set dictionary key %s fd=%p",
+ DHT_IATT_IN_XDATA_KEY, fd);
}
- return 0;
+ STACK_WIND(frame, dht_common_xattrop_cbk, subvol,
+ subvol->fops->fxattrop, fd, local->rebalance.flags,
+ local->rebalance.xattr, local->xattr_req);
+ }
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fxattrop, frame, -1, op_errno, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fxattrop, frame, -1, op_errno, NULL, NULL);
- return 0;
+ return 0;
}
/* Currently no translators on top of 'distribute' will be using
* below fops, hence not implementing 'migration' related checks
*/
-int
-dht_inodelk_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *xdata)
+static int
+dht_inodelk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_lk_inode_unref (frame, op_ret);
- DHT_STACK_UNWIND (inodelk, frame, op_ret, op_errno, xdata);
- return 0;
+ dht_lk_inode_unref(frame, op_ret);
+ DHT_STACK_UNWIND(inodelk, frame, op_ret, op_errno, xdata);
+ return 0;
}
-
int32_t
-dht_inodelk (call_frame_t *frame, xlator_t *this, const char *volume,
- loc_t *loc, int32_t cmd, struct gf_flock *lock, dict_t *xdata)
+dht_inodelk(call_frame_t *frame, xlator_t *this, const char *volume, loc_t *loc,
+ int32_t cmd, struct gf_flock *lock, dict_t *xdata)
{
- xlator_t *lock_subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
+ xlator_t *lock_subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
+ local = dht_local_init(frame, loc, NULL, GF_FOP_INODELK);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- local = dht_local_init (frame, loc, NULL, GF_FOP_INODELK);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ local->lock_type = lock->l_type;
+ lock_subvol = dht_get_lock_subvolume(this, lock, local);
+ if (!lock_subvol) {
+ gf_msg_debug(this->name, 0, "no lock subvolume for path=%s", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
- local->lock_type = lock->l_type;
- lock_subvol = dht_get_lock_subvolume (this, lock, local);
- if (!lock_subvol) {
- gf_msg_debug (this->name, 0,
- "no lock subvolume for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
+ local->call_cnt = 1;
- local->call_cnt = 1;
+ STACK_WIND(frame, dht_inodelk_cbk, lock_subvol, lock_subvol->fops->inodelk,
+ volume, loc, cmd, lock, xdata);
- STACK_WIND (frame, dht_inodelk_cbk,
- lock_subvol, lock_subvol->fops->inodelk,
- volume, loc, cmd, lock, xdata);
-
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (inodelk, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(inodelk, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
int
-dht_finodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_finodelk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_lk_inode_unref (frame, op_ret);
- DHT_STACK_UNWIND (finodelk, frame, op_ret, op_errno, xdata);
- return 0;
-}
+ dht_local_t *local = NULL;
+ int ret = 0;
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
-int
-dht_finodelk (call_frame_t *frame, xlator_t *this, const char *volume,
- fd_t *fd, int32_t cmd, struct gf_flock *lock, dict_t *xdata)
-{
- xlator_t *lock_subvol = NULL;
- dht_local_t *local = NULL;
- int op_errno = -1;
-
+ local = frame->local;
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_INODELK);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- local->call_cnt = 1;
- local->lock_type = lock->l_type;
-
- lock_subvol = dht_get_lock_subvolume (this, lock, local);
- if (!lock_subvol) {
- gf_msg_debug (this->name, 0,
- "no lock subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
+out:
+ dht_lk_inode_unref(frame, op_ret);
+ DHT_STACK_UNWIND(finodelk, frame, op_ret, op_errno, xdata);
-/*
- local->cached_subvol = lock_subvol;
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto err;
-*/
- STACK_WIND (frame, dht_finodelk_cbk, lock_subvol,
- lock_subvol->fops->finodelk,
- volume, fd, cmd, lock, xdata);
+ return 0;
+}
- return 0;
+int
+dht_finodelk(call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
+ int32_t cmd, struct gf_flock *lock, dict_t *xdata)
+{
+ xlator_t *lock_subvol = NULL;
+ dht_local_t *local = NULL;
+ int op_errno = -1;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_INODELK);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->call_cnt = 1;
+ local->lock_type = lock->l_type;
+
+ lock_subvol = dht_get_lock_subvolume(this, lock, local);
+ if (!lock_subvol) {
+ gf_msg_debug(this->name, 0, "no lock subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ /*
+ local->cached_subvol = lock_subvol;
+ ret = dht_check_and_open_fd_on_subvol (this, frame);
+ if (ret)
+ goto err;
+ */
+ local->rebalance.flock = *lock;
+ local->rebalance.lock_cmd = cmd;
+ local->key = gf_strdup(volume);
+
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ STACK_WIND(frame, dht_finodelk_cbk, lock_subvol,
+ lock_subvol->fops->finodelk, volume, fd, cmd, lock, xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (finodelk, frame, -1, op_errno, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(finodelk, frame, -1, op_errno, NULL);
- return 0;
+ return 0;
}
diff --git a/xlators/cluster/dht/src/dht-inode-write.c b/xlators/cluster/dht/src/dht-inode-write.c
index 4b4f2c2d4a3..2f23ce90fbd 100644
--- a/xlators/cluster/dht/src/dht-inode-write.c
+++ b/xlators/cluster/dht/src/dht-inode-write.c
@@ -8,1487 +8,1397 @@
cases as published by the Free Software Foundation.
*/
-
#include "dht-common.h"
-int dht_writev2 (xlator_t *this, xlator_t *subvol,
- call_frame_t *frame, int ret);
-int dht_truncate2 (xlator_t *this, xlator_t *subvol,
- call_frame_t *frame, int ret);
-int dht_setattr2 (xlator_t *this, xlator_t *subvol,
- call_frame_t *frame, int ret);
-int dht_fallocate2 (xlator_t *this, xlator_t *subvol,
- call_frame_t *frame, int ret);
-int dht_discard2 (xlator_t *this, xlator_t *subvol,
- call_frame_t *frame, int ret);
-int dht_zerofill2 (xlator_t *this, xlator_t *subvol,
- call_frame_t *frame, int ret);
+static int
+dht_writev2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
+static int
+dht_truncate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
+static int
+dht_setattr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
+static int
+dht_fallocate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
+static int
+dht_discard2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
+static int
+dht_zerofill2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret);
int
-dht_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+dht_writev_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
- xlator_t *subvol1 = NULL;
- xlator_t *subvol2 = NULL;
-
- local = frame->local;
- prev = cookie;
-
- if (!local) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
-
- /* writev fails with EBADF if dht has not yet opened the fd
- * on the cached subvol. This could happen if the file was migrated
- * and a lookup updated the cached subvol in the inode ctx.
- * We only check once as this could be a valid bad fd error.
- */
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ xlator_t *subvol1 = NULL;
+ xlator_t *subvol2 = NULL;
+
+ local = frame->local;
+ prev = cookie;
+
+ if (!local) {
+ op_ret = -1;
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ /* writev fails with EBADF if dht has not yet opened the fd
+ * on the cached subvol. This could happen if the file was migrated
+ * and a lookup updated the cached subvol in the inode ctx.
+ * We only check once as this could be a valid bad fd error.
+ */
+
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- if (op_ret == -1 && (op_errno == EBADF) && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
+ if (op_ret == -1 && !dht_inode_missing(op_errno)) {
+ local->op_errno = op_errno;
+ local->op_ret = -1;
+ gf_msg_debug(this->name, 0, "subvolume %s returned -1 (%s)", prev->name,
+ strerror(op_errno));
+ goto out;
+ }
+
+ if (local->call_cnt != 1) {
+ /* preserve the modes of source */
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge(this, postbuf, &local->stbuf);
+ dht_iatt_merge(this, prebuf, &local->prebuf);
}
-
- if (op_ret == -1 && !dht_inode_missing(op_errno)) {
- local->op_errno = op_errno;
+ goto out;
+ }
+
+ local->rebalance.target_op_fn = dht_writev2;
+
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+
+ /* We might need to pass the stbuf information to the higher DHT
+ * layer for appropriate handling.
+ */
+
+ dht_set_local_rebalance(this, local, NULL, prebuf, postbuf, xdata);
+
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(postbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
+
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(postbuf)) {
+ if (!local->xattr_req) {
+ local->xattr_req = dict_new();
+ if (!local->xattr_req) {
+ gf_msg(this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, ENOMEM,
+ "insufficient memory");
+ local->op_errno = ENOMEM;
local->op_ret = -1;
- gf_msg_debug (this->name, 0,
- "subvolume %s returned -1 (%s)",
- prev->name, strerror (op_errno));
goto out;
+ }
}
- if (local->call_cnt != 1) {
- /* preserve the modes of source */
- if (local->stbuf.ia_blocks) {
- dht_iatt_merge (this, postbuf, &local->stbuf);
- dht_iatt_merge (this, prebuf, &local->prebuf);
- }
- goto out;
- }
-
- local->rebalance.target_op_fn = dht_writev2;
-
- local->op_ret = op_ret;
- local->op_errno = op_errno;
-
- /* We might need to pass the stbuf information to the higher DHT
- * layer for appropriate handling.
- */
-
- dht_set_local_rebalance (this, local, NULL, prebuf, postbuf, xdata);
-
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
+ ret = dict_set_uint32(local->xattr_req, GF_PROTECT_FROM_EXTERNAL_WRITES,
+ 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, DHT_MSG_DICT_SET_FAILED, 0,
+ "Failed to set key %s in dictionary",
+ GF_PROTECT_FROM_EXTERNAL_WRITES);
+ local->op_errno = ENOMEM;
+ local->op_ret = -1;
+ goto out;
}
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
- if (!dht_is_tier_xlator (this)) {
- if (!local->xattr_req) {
- local->xattr_req = dict_new ();
- if (!local->xattr_req) {
- gf_msg (this->name, GF_LOG_ERROR,
- DHT_MSG_NO_MEMORY,
- ENOMEM, "insufficient memory");
- local->op_errno = ENOMEM;
- local->op_ret = -1;
- goto out;
- }
- }
-
- ret = dict_set_uint32 (local->xattr_req,
- GF_PROTECT_FROM_EXTERNAL_WRITES,
- 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR,
- DHT_MSG_DICT_SET_FAILED, 0,
- "Failed to set key %s in dictionary",
- GF_PROTECT_FROM_EXTERNAL_WRITES);
- local->op_errno = ENOMEM;
- local->op_ret = -1;
- goto out;
- }
- }
+ dht_iatt_merge(this, &local->stbuf, postbuf);
+ dht_iatt_merge(this, &local->prebuf, prebuf);
- dht_iatt_merge (this, &local->stbuf, postbuf);
- dht_iatt_merge (this, &local->prebuf, prebuf);
-
- ret = dht_inode_ctx_get_mig_info (this, local->fd->inode,
- &subvol1, &subvol2);
- if (!dht_mig_info_is_invalid (local->cached_subvol,
- subvol1, subvol2)) {
- if (dht_fd_open_on_dst (this, local->fd, subvol2)) {
- dht_writev2 (this, subvol2, frame, 0);
- return 0;
- }
- }
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
+ ret = dht_inode_ctx_get_mig_info(this, local->fd->inode, &subvol1,
+ &subvol2);
+ if (!dht_mig_info_is_invalid(local->cached_subvol, subvol1, subvol2)) {
+ if (dht_fd_open_on_dst(this, local->fd, subvol2)) {
+ dht_writev2(this, subvol2, frame, 0);
+ return 0;
+ }
}
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (postbuf);
- DHT_STRIP_PHASE1_FLAGS (prebuf);
+ DHT_STRIP_PHASE1_FLAGS(postbuf);
+ DHT_STRIP_PHASE1_FLAGS(prebuf);
- DHT_STACK_UNWIND (writev, frame, op_ret, op_errno, prebuf, postbuf,
- xdata);
+ DHT_STACK_UNWIND(writev, frame, op_ret, op_errno, prebuf, postbuf, xdata);
- return 0;
+ return 0;
}
-int
-dht_writev2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_writev2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if ((frame == NULL) || (frame->local == NULL))
- goto out;
+ if ((frame == NULL) || (frame->local == NULL))
+ goto out;
- local = frame->local;
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (writev, frame, local->op_ret,
- local->op_errno, &local->rebalance.prebuf,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
- return 0;
- }
+ local = frame->local;
+ op_errno = local->op_errno;
- if (subvol == NULL)
- goto out;
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(writev, frame, local->op_ret, local->op_errno,
+ &local->rebalance.prebuf, &local->rebalance.postbuf,
+ local->rebalance.xdata);
+ return 0;
+ }
- local->call_cnt = 2; /* This is the second attempt */
+ if (subvol == NULL)
+ goto out;
- STACK_WIND_COOKIE (frame, dht_writev_cbk, subvol,
- subvol, subvol->fops->writev,
- local->fd, local->rebalance.vector,
- local->rebalance.count,
- local->rebalance.offset, local->rebalance.flags,
- local->rebalance.iobref, local->xattr_req);
+ local->call_cnt = 2; /* This is the second attempt */
- return 0;
+ STACK_WIND_COOKIE(frame, dht_writev_cbk, subvol, subvol,
+ subvol->fops->writev, local->fd, local->rebalance.vector,
+ local->rebalance.count, local->rebalance.offset,
+ local->rebalance.flags, local->rebalance.iobref,
+ local->xattr_req);
+
+ return 0;
out:
- DHT_STACK_UNWIND (writev, frame, -1, op_errno, NULL, NULL, NULL);
+ DHT_STACK_UNWIND(writev, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
int
-dht_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iovec *vector, int count, off_t off, uint32_t flags,
- struct iobref *iobref, dict_t *xdata)
+dht_writev(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
+ int count, off_t off, uint32_t flags, struct iobref *iobref,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_WRITE);
- if (!local) {
-
- op_errno = ENOMEM;
- goto err;
- }
-
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
-
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- local->rebalance.vector = iov_dup (vector, count);
- local->rebalance.offset = off;
- local->rebalance.count = count;
- local->rebalance.flags = flags;
- local->rebalance.iobref = iobref_ref (iobref);
- local->call_cnt = 1;
-
- STACK_WIND_COOKIE (frame, dht_writev_cbk, subvol, subvol,
- subvol->fops->writev, fd,
- local->rebalance.vector,
- local->rebalance.count,
- local->rebalance.offset,
- local->rebalance.flags,
- local->rebalance.iobref, local->xattr_req);
-
- return 0;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_WRITE);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ local->rebalance.vector = iov_dup(vector, count);
+ local->rebalance.offset = off;
+ local->rebalance.count = count;
+ local->rebalance.flags = flags;
+ local->rebalance.iobref = iobref_ref(iobref);
+ local->call_cnt = 1;
+
+ STACK_WIND_COOKIE(frame, dht_writev_cbk, subvol, subvol,
+ subvol->fops->writev, fd, local->rebalance.vector,
+ local->rebalance.count, local->rebalance.offset,
+ local->rebalance.flags, local->rebalance.iobref,
+ local->xattr_req);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (writev, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(writev, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
-
int
-dht_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+dht_truncate_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
- xlator_t *src_subvol = NULL;
- xlator_t *dst_subvol = NULL;
- inode_t *inode = NULL;
-
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
-
- local = frame->local;
- prev = cookie;
-
- /* Needs to be checked only for ftruncate.
- * ftruncate fails with EBADF/EINVAL if dht has not yet opened the fd
- * on the cached subvol. This could happen if the file was migrated
- * and a lookup updated the cached subvol in the inode ctx.
- * We only check once as this could actually be a valid error.
- */
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ xlator_t *src_subvol = NULL;
+ xlator_t *dst_subvol = NULL;
+ inode_t *inode = NULL;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+
+ local = frame->local;
+ prev = cookie;
+
+ /* Needs to be checked only for ftruncate.
+ * ftruncate fails with EBADF/EINVAL if dht has not yet opened the fd
+ * on the cached subvol. This could happen if the file was migrated
+ * and a lookup updated the cached subvol in the inode ctx.
+ * We only check once as this could actually be a valid error.
+ */
+
+ if ((local->fop == GF_FOP_FTRUNCATE) &&
+ dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- if ((local->fop == GF_FOP_FTRUNCATE) && (op_ret == -1)
- && ((op_errno == EBADF) || (op_errno == EINVAL))
- && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
+ local->op_errno = op_errno;
+ local->op_ret = -1;
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
- if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
- local->op_errno = op_errno;
- local->op_ret = -1;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
+ goto out;
+ }
- goto out;
+ if (local->call_cnt != 1) {
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge(this, postbuf, &local->stbuf);
+ dht_iatt_merge(this, prebuf, &local->prebuf);
}
+ goto out;
+ }
+ local->rebalance.target_op_fn = dht_truncate2;
- if (local->call_cnt != 1) {
- if (local->stbuf.ia_blocks) {
- dht_iatt_merge (this, postbuf, &local->stbuf);
- dht_iatt_merge (this, prebuf, &local->prebuf);
- }
- goto out;
- }
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- local->rebalance.target_op_fn = dht_truncate2;
+ /* We might need to pass the stbuf information to the higher DHT
+ * layer for appropriate handling.
+ */
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ dht_set_local_rebalance(this, local, NULL, prebuf, postbuf, xdata);
- /* We might need to pass the stbuf information to the higher DHT
- * layer for appropriate handling.
- */
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(postbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
- dht_set_local_rebalance (this, local, NULL, prebuf, postbuf, xdata);
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(postbuf)) {
+ dht_iatt_merge(this, &local->stbuf, postbuf);
+ dht_iatt_merge(this, &local->prebuf, prebuf);
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- }
+ inode = (local->fd) ? local->fd->inode : local->loc.inode;
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
- dht_iatt_merge (this, &local->stbuf, postbuf);
- dht_iatt_merge (this, &local->prebuf, prebuf);
-
- inode = (local->fd) ? local->fd->inode : local->loc.inode;
-
- dht_inode_ctx_get_mig_info (this, inode, &src_subvol,
- &dst_subvol);
- if (!dht_mig_info_is_invalid (local->cached_subvol,
- src_subvol, dst_subvol)) {
- if ((!local->fd) || ((local->fd) &&
- dht_fd_open_on_dst (this, local->fd, dst_subvol))) {
- dht_truncate2 (this, dst_subvol, frame, 0);
- return 0;
- }
- }
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
+ dht_inode_ctx_get_mig_info(this, inode, &src_subvol, &dst_subvol);
+ if (!dht_mig_info_is_invalid(local->cached_subvol, src_subvol,
+ dst_subvol)) {
+ if ((!local->fd) ||
+ ((local->fd) &&
+ dht_fd_open_on_dst(this, local->fd, dst_subvol))) {
+ dht_truncate2(this, dst_subvol, frame, 0);
+ return 0;
+ }
}
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (postbuf);
- DHT_STRIP_PHASE1_FLAGS (prebuf);
+ DHT_STRIP_PHASE1_FLAGS(postbuf);
+ DHT_STRIP_PHASE1_FLAGS(prebuf);
- DHT_STACK_UNWIND (truncate, frame, op_ret, op_errno,
- prebuf, postbuf, xdata);
+ DHT_STACK_UNWIND(truncate, frame, op_ret, op_errno, prebuf, postbuf, xdata);
err:
- return 0;
+ return 0;
}
-
-int
-dht_truncate2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_truncate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if (!frame || !frame->local)
- goto out;
-
- local = frame->local;
- op_errno = local->op_errno;
+ if (!frame || !frame->local)
+ goto out;
- /* This dht xlator is not migrating the file */
- if (we_are_not_migrating (ret)) {
+ local = frame->local;
+ op_errno = local->op_errno;
- DHT_STACK_UNWIND (truncate, frame, local->op_ret,
- local->op_errno, &local->rebalance.prebuf,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
- return 0;
- }
+ /* This dht xlator is not migrating the file */
+ if (we_are_not_migrating(ret)) {
+ DHT_STACK_UNWIND(truncate, frame, local->op_ret, local->op_errno,
+ &local->rebalance.prebuf, &local->rebalance.postbuf,
+ local->rebalance.xdata);
+ return 0;
+ }
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2; /* This is the second attempt */
+ local->call_cnt = 2; /* This is the second attempt */
- if (local->fop == GF_FOP_TRUNCATE) {
- STACK_WIND_COOKIE (frame, dht_truncate_cbk, subvol, subvol,
- subvol->fops->truncate, &local->loc,
- local->rebalance.offset, local->xattr_req);
- } else {
- STACK_WIND_COOKIE (frame, dht_truncate_cbk, subvol, subvol,
- subvol->fops->ftruncate, local->fd,
- local->rebalance.offset, local->xattr_req);
- }
+ if (local->fop == GF_FOP_TRUNCATE) {
+ STACK_WIND_COOKIE(frame, dht_truncate_cbk, subvol, subvol,
+ subvol->fops->truncate, &local->loc,
+ local->rebalance.offset, local->xattr_req);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_truncate_cbk, subvol, subvol,
+ subvol->fops->ftruncate, local->fd,
+ local->rebalance.offset, local->xattr_req);
+ }
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (truncate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(truncate, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
int
-dht_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
- dict_t *xdata)
+dht_truncate(call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
-
- local = dht_local_init (frame, loc, NULL, GF_FOP_TRUNCATE);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->rebalance.offset = offset;
- local->call_cnt = 1;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for gfid=%s",
- uuid_utoa (loc->inode->gfid));
- op_errno = EINVAL;
- goto err;
- }
-
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- STACK_WIND_COOKIE (frame, dht_truncate_cbk, subvol, subvol,
- subvol->fops->truncate, loc, offset, xdata);
-
- return 0;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+
+ local = dht_local_init(frame, loc, NULL, GF_FOP_TRUNCATE);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->rebalance.offset = offset;
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for gfid=%s",
+ uuid_utoa(loc->inode->gfid));
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ STACK_WIND_COOKIE(frame, dht_truncate_cbk, subvol, subvol,
+ subvol->fops->truncate, loc, offset, xdata);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (truncate, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(truncate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
int
-dht_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- dict_t *xdata)
+dht_ftruncate(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FTRUNCATE);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->rebalance.offset = offset;
- local->call_cnt = 1;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
-
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- STACK_WIND_COOKIE (frame, dht_truncate_cbk, subvol, subvol,
- subvol->fops->ftruncate, fd,
- local->rebalance.offset, local->xattr_req);
- return 0;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FTRUNCATE);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->rebalance.offset = offset;
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ STACK_WIND_COOKIE(frame, dht_truncate_cbk, subvol, subvol,
+ subvol->fops->ftruncate, fd, local->rebalance.offset,
+ local->xattr_req);
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (ftruncate, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(ftruncate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_fallocate_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+dht_fallocate_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
- xlator_t *src_subvol = NULL;
- xlator_t *dst_subvol = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
-
- local = frame->local;
- prev = cookie;
-
- /* fallocate fails with EBADF if dht has not yet opened the fd
- * on the cached subvol. This could happen if the file was migrated
- * and a lookup updated the cached subvol in the inode ctx.
- * We only check once as this could actually be a valid error.
- */
-
- if ((op_ret == -1) && (op_errno == EBADF)
- && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
-
- if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
- local->op_errno = op_errno;
- local->op_ret = -1;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
-
- goto out;
- }
-
- if (local->call_cnt != 1) {
- if (local->stbuf.ia_blocks) {
- dht_iatt_merge (this, postbuf, &local->stbuf);
- dht_iatt_merge (this, prebuf, &local->prebuf);
- }
- goto out;
- }
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ xlator_t *src_subvol = NULL;
+ xlator_t *dst_subvol = NULL;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+
+ local = frame->local;
+ prev = cookie;
+
+ /* fallocate fails with EBADF if dht has not yet opened the fd
+ * on the cached subvol. This could happen if the file was migrated
+ * and a lookup updated the cached subvol in the inode ctx.
+ * We only check once as this could actually be a valid error.
+ */
+
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- local->op_ret = op_ret;
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
local->op_errno = op_errno;
- local->rebalance.target_op_fn = dht_fallocate2;
+ local->op_ret = -1;
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
- dht_set_local_rebalance (this, local, NULL, prebuf, postbuf, xdata);
+ goto out;
+ }
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
+ if (local->call_cnt != 1) {
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge(this, postbuf, &local->stbuf);
+ dht_iatt_merge(this, prebuf, &local->prebuf);
}
-
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
- dht_iatt_merge (this, &local->stbuf, postbuf);
- dht_iatt_merge (this, &local->prebuf, prebuf);
-
- dht_inode_ctx_get_mig_info (this, local->fd->inode, &src_subvol,
- &dst_subvol);
- if (!dht_mig_info_is_invalid (local->cached_subvol,
- src_subvol, dst_subvol)) {
- if (dht_fd_open_on_dst (this, local->fd, dst_subvol)) {
- dht_fallocate2 (this, dst_subvol, frame, 0);
- return 0;
- }
- }
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
+ goto out;
+ }
+
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ local->rebalance.target_op_fn = dht_fallocate2;
+
+ dht_set_local_rebalance(this, local, NULL, prebuf, postbuf, xdata);
+
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(postbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
+
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(postbuf)) {
+ dht_iatt_merge(this, &local->stbuf, postbuf);
+ dht_iatt_merge(this, &local->prebuf, prebuf);
+
+ dht_inode_ctx_get_mig_info(this, local->fd->inode, &src_subvol,
+ &dst_subvol);
+ if (!dht_mig_info_is_invalid(local->cached_subvol, src_subvol,
+ dst_subvol)) {
+ if (dht_fd_open_on_dst(this, local->fd, dst_subvol)) {
+ dht_fallocate2(this, dst_subvol, frame, 0);
+ return 0;
+ }
}
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (postbuf);
- DHT_STRIP_PHASE1_FLAGS (prebuf);
+ DHT_STRIP_PHASE1_FLAGS(postbuf);
+ DHT_STRIP_PHASE1_FLAGS(prebuf);
- DHT_STACK_UNWIND (fallocate, frame, op_ret, op_errno,
- prebuf, postbuf, xdata);
+ DHT_STACK_UNWIND(fallocate, frame, op_ret, op_errno, prebuf, postbuf,
+ xdata);
err:
- return 0;
+ return 0;
}
-int
-dht_fallocate2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_fallocate2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if (!frame || !frame->local)
- goto out;
+ if (!frame || !frame->local)
+ goto out;
- local = frame->local;
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (fallocate, frame, local->op_ret,
- local->op_errno,
- &local->rebalance.prebuf,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
- return 0;
- }
+ local = frame->local;
+ op_errno = local->op_errno;
- if (subvol == NULL)
- goto out;
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(fallocate, frame, local->op_ret, local->op_errno,
+ &local->rebalance.prebuf, &local->rebalance.postbuf,
+ local->rebalance.xdata);
+ return 0;
+ }
- local->call_cnt = 2; /* This is the second attempt */
+ if (subvol == NULL)
+ goto out;
- STACK_WIND_COOKIE (frame, dht_fallocate_cbk, subvol, subvol,
- subvol->fops->fallocate, local->fd,
- local->rebalance.flags, local->rebalance.offset,
- local->rebalance.size, local->xattr_req);
+ local->call_cnt = 2; /* This is the second attempt */
- return 0;
+ STACK_WIND_COOKIE(frame, dht_fallocate_cbk, subvol, subvol,
+ subvol->fops->fallocate, local->fd,
+ local->rebalance.flags, local->rebalance.offset,
+ local->rebalance.size, local->xattr_req);
+
+ return 0;
out:
- DHT_STACK_UNWIND (fallocate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(fallocate, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
int
-dht_fallocate (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
- off_t offset, size_t len, dict_t *xdata)
+dht_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
+ off_t offset, size_t len, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FALLOCATE);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->rebalance.flags = mode;
- local->rebalance.offset = offset;
- local->rebalance.size = len;
-
- local->call_cnt = 1;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
-
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- STACK_WIND_COOKIE (frame, dht_fallocate_cbk, subvol, subvol,
- subvol->fops->fallocate, fd,
- local->rebalance.flags,
- local->rebalance.offset,
- local->rebalance.size,
- local->xattr_req);
-
- return 0;
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FALLOCATE);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->rebalance.flags = mode;
+ local->rebalance.offset = offset;
+ local->rebalance.size = len;
+
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ STACK_WIND_COOKIE(frame, dht_fallocate_cbk, subvol, subvol,
+ subvol->fops->fallocate, fd, local->rebalance.flags,
+ local->rebalance.offset, local->rebalance.size,
+ local->xattr_req);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fallocate, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fallocate, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+dht_discard_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
- xlator_t *src_subvol = NULL;
- xlator_t *dst_subvol = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
-
- local = frame->local;
- prev = cookie;
-
-
- /* discard fails with EBADF if dht has not yet opened the fd
- * on the cached subvol. This could happen if the file was migrated
- * and a lookup updated the cached subvol in the inode ctx.
- * We only check once as this could actually be a valid error.
- */
- if ((op_ret == -1) && (op_errno == EBADF)
- && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
-
- if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
- local->op_errno = op_errno;
- local->op_ret = -1;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
-
- goto out;
- }
-
- if (local->call_cnt != 1) {
- if (local->stbuf.ia_blocks) {
- dht_iatt_merge (this, postbuf, &local->stbuf);
- dht_iatt_merge (this, prebuf, &local->prebuf);
- }
- goto out;
- }
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ xlator_t *src_subvol = NULL;
+ xlator_t *dst_subvol = NULL;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+
+ local = frame->local;
+ prev = cookie;
+
+ /* discard fails with EBADF if dht has not yet opened the fd
+ * on the cached subvol. This could happen if the file was migrated
+ * and a lookup updated the cached subvol in the inode ctx.
+ * We only check once as this could actually be a valid error.
+ */
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- local->rebalance.target_op_fn = dht_discard2;
- local->op_ret = op_ret;
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
local->op_errno = op_errno;
+ local->op_ret = -1;
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
- dht_set_local_rebalance (this, local, NULL, prebuf, postbuf, xdata);
+ goto out;
+ }
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
+ if (local->call_cnt != 1) {
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge(this, postbuf, &local->stbuf);
+ dht_iatt_merge(this, prebuf, &local->prebuf);
}
-
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
- dht_iatt_merge (this, &local->stbuf, postbuf);
- dht_iatt_merge (this, &local->prebuf, prebuf);
-
- dht_inode_ctx_get_mig_info (this, local->fd->inode, &src_subvol,
- &dst_subvol);
- if (!dht_mig_info_is_invalid(local->cached_subvol,
- src_subvol, dst_subvol)) {
- if (dht_fd_open_on_dst (this, local->fd, dst_subvol)) {
- dht_discard2 (this, dst_subvol, frame, 0);
- return 0;
- }
- }
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
+ goto out;
+ }
+
+ local->rebalance.target_op_fn = dht_discard2;
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+
+ dht_set_local_rebalance(this, local, NULL, prebuf, postbuf, xdata);
+
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(postbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
+
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(postbuf)) {
+ dht_iatt_merge(this, &local->stbuf, postbuf);
+ dht_iatt_merge(this, &local->prebuf, prebuf);
+
+ dht_inode_ctx_get_mig_info(this, local->fd->inode, &src_subvol,
+ &dst_subvol);
+ if (!dht_mig_info_is_invalid(local->cached_subvol, src_subvol,
+ dst_subvol)) {
+ if (dht_fd_open_on_dst(this, local->fd, dst_subvol)) {
+ dht_discard2(this, dst_subvol, frame, 0);
+ return 0;
+ }
}
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
out:
- DHT_STRIP_PHASE1_FLAGS (postbuf);
- DHT_STRIP_PHASE1_FLAGS (prebuf);
+ DHT_STRIP_PHASE1_FLAGS(postbuf);
+ DHT_STRIP_PHASE1_FLAGS(prebuf);
- DHT_STACK_UNWIND (discard, frame, op_ret, op_errno,
- prebuf, postbuf, xdata);
+ DHT_STACK_UNWIND(discard, frame, op_ret, op_errno, prebuf, postbuf, xdata);
err:
- return 0;
+ return 0;
}
-int
-dht_discard2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_discard2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if (!frame || !frame->local)
- goto out;
+ if (!frame || !frame->local)
+ goto out;
- local = frame->local;
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (discard, frame, local->op_ret,
- local->op_errno,
- &local->rebalance.prebuf,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
- return 0;
- }
+ local = frame->local;
+ op_errno = local->op_errno;
- if (subvol == NULL)
- goto out;
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(discard, frame, local->op_ret, local->op_errno,
+ &local->rebalance.prebuf, &local->rebalance.postbuf,
+ local->rebalance.xdata);
+ return 0;
+ }
- local->call_cnt = 2; /* This is the second attempt */
+ if (subvol == NULL)
+ goto out;
- STACK_WIND_COOKIE (frame, dht_discard_cbk, subvol, subvol,
- subvol->fops->discard, local->fd,
- local->rebalance.offset, local->rebalance.size,
- local->xattr_req);
+ local->call_cnt = 2; /* This is the second attempt */
- return 0;
+ STACK_WIND_COOKIE(frame, dht_discard_cbk, subvol, subvol,
+ subvol->fops->discard, local->fd, local->rebalance.offset,
+ local->rebalance.size, local->xattr_req);
+
+ return 0;
out:
- DHT_STACK_UNWIND (discard, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(discard, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
int
-dht_discard (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- size_t len, dict_t *xdata)
+dht_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ size_t len, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_DISCARD);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- local->rebalance.offset = offset;
- local->rebalance.size = len;
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
- local->call_cnt = 1;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
+ local = dht_local_init(frame, NULL, fd, GF_FOP_DISCARD);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
+ local->rebalance.offset = offset;
+ local->rebalance.size = len;
- STACK_WIND_COOKIE (frame, dht_discard_cbk, subvol, subvol,
- subvol->fops->discard, fd,
- local->rebalance.offset,
- local->rebalance.size,
- local->xattr_req);
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
- return 0;
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ STACK_WIND_COOKIE(frame, dht_discard_cbk, subvol, subvol,
+ subvol->fops->discard, fd, local->rebalance.offset,
+ local->rebalance.size, local->xattr_req);
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (discard, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(discard, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
int
-dht_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+dht_zerofill_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *prebuf, struct iatt *postbuf,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
- xlator_t *subvol1 = NULL, *subvol2 = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
- GF_VALIDATE_OR_GOTO ("dht", cookie, out);
-
- local = frame->local;
- prev = cookie;
-
- /* zerofill fails with EBADF if dht has not yet opened the fd
- * on the cached subvol. This could happen if the file was migrated
- * and a lookup updated the cached subvol in the inode ctx.
- * We only check once as this could actually be a valid error.
- */
- if ((op_ret == -1) && (op_errno == EBADF)
- && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
-
- if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
- local->op_errno = op_errno;
- local->op_ret = -1;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto out;
- }
-
- if (local->call_cnt != 1) {
- if (local->stbuf.ia_blocks) {
- dht_iatt_merge (this, postbuf, &local->stbuf);
- dht_iatt_merge (this, prebuf, &local->prebuf);
- }
- goto out;
- }
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
+ xlator_t *subvol1 = NULL, *subvol2 = NULL;
+
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+ GF_VALIDATE_OR_GOTO("dht", cookie, out);
+
+ local = frame->local;
+ prev = cookie;
+
+ /* zerofill fails with EBADF if dht has not yet opened the fd
+ * on the cached subvol. This could happen if the file was migrated
+ * and a lookup updated the cached subvol in the inode ctx.
+ * We only check once as this could actually be a valid error.
+ */
+ if (dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- local->rebalance.target_op_fn = dht_zerofill2;
- local->op_ret = op_ret;
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
local->op_errno = op_errno;
-
- dht_set_local_rebalance (this, local, NULL, prebuf, postbuf, xdata);
-
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
+ local->op_ret = -1;
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto out;
+ }
+
+ if (local->call_cnt != 1) {
+ if (local->stbuf.ia_blocks) {
+ dht_iatt_merge(this, postbuf, &local->stbuf);
+ dht_iatt_merge(this, prebuf, &local->prebuf);
}
-
- /* Check if the rebalance phase1 is true */
- if (IS_DHT_MIGRATION_PHASE1 (postbuf)) {
- dht_iatt_merge (this, &local->stbuf, postbuf);
- dht_iatt_merge (this, &local->prebuf, prebuf);
-
- ret = dht_inode_ctx_get_mig_info (this, local->fd->inode,
- &subvol1, &subvol2);
- if (!dht_mig_info_is_invalid (local->cached_subvol,
- subvol1, subvol2)) {
- if (dht_fd_open_on_dst (this, local->fd, subvol2)) {
- dht_zerofill2 (this, subvol2, frame, 0);
- return 0;
- }
- }
-
- ret = dht_rebalance_in_progress_check (this, frame);
- if (!ret)
- return 0;
+ goto out;
+ }
+
+ local->rebalance.target_op_fn = dht_zerofill2;
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+
+ dht_set_local_rebalance(this, local, NULL, prebuf, postbuf, xdata);
+
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(postbuf)) {
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
+
+ /* Check if the rebalance phase1 is true */
+ if (IS_DHT_MIGRATION_PHASE1(postbuf)) {
+ dht_iatt_merge(this, &local->stbuf, postbuf);
+ dht_iatt_merge(this, &local->prebuf, prebuf);
+
+ ret = dht_inode_ctx_get_mig_info(this, local->fd->inode, &subvol1,
+ &subvol2);
+ if (!dht_mig_info_is_invalid(local->cached_subvol, subvol1, subvol2)) {
+ if (dht_fd_open_on_dst(this, local->fd, subvol2)) {
+ dht_zerofill2(this, subvol2, frame, 0);
+ return 0;
+ }
}
+ ret = dht_rebalance_in_progress_check(this, frame);
+ if (!ret)
+ return 0;
+ }
+
out:
- DHT_STRIP_PHASE1_FLAGS (postbuf);
- DHT_STRIP_PHASE1_FLAGS (prebuf);
+ DHT_STRIP_PHASE1_FLAGS(postbuf);
+ DHT_STRIP_PHASE1_FLAGS(prebuf);
- DHT_STACK_UNWIND (zerofill, frame, op_ret, op_errno,
- prebuf, postbuf, xdata);
+ DHT_STACK_UNWIND(zerofill, frame, op_ret, op_errno, prebuf, postbuf, xdata);
err:
- return 0;
+ return 0;
}
-int
-dht_zerofill2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_zerofill2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if (!frame || !frame->local)
- goto out;
+ if (!frame || !frame->local)
+ goto out;
- local = frame->local;
+ local = frame->local;
- op_errno = local->op_errno;
+ op_errno = local->op_errno;
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (zerofill, frame, local->op_ret,
- local->op_errno,
- &local->rebalance.prebuf,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(zerofill, frame, local->op_ret, local->op_errno,
+ &local->rebalance.prebuf, &local->rebalance.postbuf,
+ local->rebalance.xdata);
- return 0;
- }
+ return 0;
+ }
- if (subvol == NULL)
- goto out;
+ if (subvol == NULL)
+ goto out;
- local->call_cnt = 2; /* This is the second attempt */
+ local->call_cnt = 2; /* This is the second attempt */
- STACK_WIND_COOKIE (frame, dht_zerofill_cbk, subvol, subvol,
- subvol->fops->zerofill,
- local->fd, local->rebalance.offset,
- local->rebalance.size, local->xattr_req);
+ STACK_WIND_COOKIE(frame, dht_zerofill_cbk, subvol, subvol,
+ subvol->fops->zerofill, local->fd,
+ local->rebalance.offset, local->rebalance.size,
+ local->xattr_req);
- return 0;
+ return 0;
out:
- DHT_STACK_UNWIND (zerofill, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(zerofill, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
int
-dht_zerofill (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- off_t len, dict_t *xdata)
+dht_zerofill(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ off_t len, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- int op_errno = -1;
- dht_local_t *local = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_ZEROFILL);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ int op_errno = -1;
+ dht_local_t *local = NULL;
- local->rebalance.offset = offset;
- local->rebalance.size = len;
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
- local->call_cnt = 1;
- subvol = local->cached_subvol;
- if (!subvol) {
- gf_msg_debug (this->name, 0,
- "no cached subvolume for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
+ local = dht_local_init(frame, NULL, fd, GF_FOP_ZEROFILL);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
+ local->rebalance.offset = offset;
+ local->rebalance.size = len;
- STACK_WIND_COOKIE (frame, dht_zerofill_cbk, subvol, subvol,
- subvol->fops->zerofill, fd,
- local->rebalance.offset,
- local->rebalance.size, local->xattr_req);
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
+ if (!subvol) {
+ gf_msg_debug(this->name, 0, "no cached subvolume for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
- return 0;
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
-err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (zerofill, frame, -1, op_errno, NULL, NULL, NULL);
+ STACK_WIND_COOKIE(frame, dht_zerofill_cbk, subvol, subvol,
+ subvol->fops->zerofill, fd, local->rebalance.offset,
+ local->rebalance.size, local->xattr_req);
- return 0;
-}
+ return 0;
+err:
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(zerofill, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
+}
/* handle cases of migration here for 'setattr()' calls */
int
-dht_file_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
+dht_file_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *prebuf,
+ struct iatt *postbuf, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int ret = -1;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int ret = -1;
- local = frame->local;
- prev = cookie;
+ local = frame->local;
+ prev = cookie;
- local->op_errno = op_errno;
+ local->op_errno = op_errno;
- if ((local->fop == GF_FOP_FSETATTR) &&
- (op_ret == -1) && (op_errno == EBADF) && !(local->fd_checked)) {
- ret = dht_check_and_open_fd_on_subvol (this, frame);
- if (ret)
- goto out;
- return 0;
- }
-
- if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto out;
- }
-
- if (local->call_cnt != 1)
- goto out;
+ if ((local->fop == GF_FOP_FSETATTR) &&
+ dht_check_remote_fd_failed_error(local, op_ret, op_errno)) {
+ ret = dht_check_and_open_fd_on_subvol(this, frame);
+ if (ret)
+ goto out;
+ return 0;
+ }
- local->op_ret = op_ret;
- local->op_errno = op_errno;
+ if ((op_ret == -1) && !dht_inode_missing(op_errno)) {
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto out;
+ }
- local->rebalance.target_op_fn = dht_setattr2;
+ if (local->call_cnt != 1)
+ goto out;
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
- /* Phase 2 of migration */
- if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2 (postbuf)) {
+ local->rebalance.target_op_fn = dht_setattr2;
- dht_set_local_rebalance (this, local, NULL, prebuf,
- postbuf, xdata);
+ /* Phase 2 of migration */
+ if ((op_ret == -1) || IS_DHT_MIGRATION_PHASE2(postbuf)) {
+ dht_set_local_rebalance(this, local, NULL, prebuf, postbuf, xdata);
- ret = dht_rebalance_complete_check (this, frame);
- if (!ret)
- return 0;
- }
+ ret = dht_rebalance_complete_check(this, frame);
+ if (!ret)
+ return 0;
+ }
- /* At the end of the migration process, whatever 'attr' we
- have on source file will be migrated to destination file
- in one shot, hence we don't need to check for in progress
- state here (ie, PHASE1) */
+ /* At the end of the migration process, whatever 'attr' we
+ have on source file will be migrated to destination file
+ in one shot, hence we don't need to check for in progress
+ state here (ie, PHASE1) */
out:
- DHT_STRIP_PHASE1_FLAGS (postbuf);
- DHT_STRIP_PHASE1_FLAGS (prebuf);
+ DHT_STRIP_PHASE1_FLAGS(postbuf);
+ DHT_STRIP_PHASE1_FLAGS(prebuf);
- DHT_STACK_UNWIND (setattr, frame, op_ret, op_errno,
- prebuf, postbuf, xdata);
+ DHT_STACK_UNWIND(setattr, frame, op_ret, op_errno, prebuf, postbuf, xdata);
- return 0;
+ return 0;
}
-int
-dht_setattr2 (xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
+static int
+dht_setattr2(xlator_t *this, xlator_t *subvol, call_frame_t *frame, int ret)
{
- dht_local_t *local = NULL;
- int32_t op_errno = EINVAL;
+ dht_local_t *local = NULL;
+ int32_t op_errno = EINVAL;
- if (!frame || !frame->local)
- goto out;
+ if (!frame || !frame->local)
+ goto out;
- local = frame->local;
- op_errno = local->op_errno;
-
- if (we_are_not_migrating (ret)) {
- /* This dht xlator is not migrating the file. Unwind and
- * pass on the original mode bits so the higher DHT layer
- * can handle this.
- */
- DHT_STACK_UNWIND (setattr, frame, local->op_ret,
- local->op_errno,
- &local->rebalance.prebuf,
- &local->rebalance.postbuf,
- local->rebalance.xdata);
- return 0;
- }
+ local = frame->local;
+ op_errno = local->op_errno;
- if (subvol == NULL)
- goto out;
+ if (we_are_not_migrating(ret)) {
+ /* This dht xlator is not migrating the file. Unwind and
+ * pass on the original mode bits so the higher DHT layer
+ * can handle this.
+ */
+ DHT_STACK_UNWIND(setattr, frame, local->op_ret, local->op_errno,
+ &local->rebalance.prebuf, &local->rebalance.postbuf,
+ local->rebalance.xdata);
+ return 0;
+ }
- local->call_cnt = 2; /* This is the second attempt */
-
- if (local->fop == GF_FOP_SETATTR) {
- STACK_WIND_COOKIE (frame, dht_file_setattr_cbk, subvol,
- subvol, subvol->fops->setattr, &local->loc,
- &local->rebalance.stbuf, local->rebalance.flags,
- local->xattr_req);
- } else {
- STACK_WIND_COOKIE (frame, dht_file_setattr_cbk, subvol,
- subvol, subvol->fops->fsetattr, local->fd,
- &local->rebalance.stbuf, local->rebalance.flags,
- local->xattr_req);
- }
+ if (subvol == NULL)
+ goto out;
- return 0;
+ local->call_cnt = 2; /* This is the second attempt */
+
+ if (local->fop == GF_FOP_SETATTR) {
+ STACK_WIND_COOKIE(frame, dht_file_setattr_cbk, subvol, subvol,
+ subvol->fops->setattr, &local->loc,
+ &local->rebalance.stbuf, local->rebalance.flags,
+ local->xattr_req);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_file_setattr_cbk, subvol, subvol,
+ subvol->fops->fsetattr, local->fd,
+ &local->rebalance.stbuf, local->rebalance.flags,
+ local->xattr_req);
+ }
+
+ return 0;
out:
- DHT_STACK_UNWIND (setattr, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(setattr, frame, -1, op_errno, NULL, NULL, NULL);
+ return 0;
}
-
/* Keep the existing code same for all the cases other than regular file */
int
-dht_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *statpre,
- struct iatt *statpost, dict_t *xdata)
+dht_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct iatt *statpre, struct iatt *statpost,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
-
-
- local = frame->local;
- prev = cookie;
-
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto unlock;
- }
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
- dht_iatt_merge (this, &local->prebuf, statpre);
- dht_iatt_merge (this, &local->stbuf, statpost);
+ local = frame->local;
+ prev = cookie;
- local->op_ret = 0;
- local->op_errno = 0;
+ LOCK(&frame->lock);
+ {
+ if (op_ret == -1) {
+ local->op_errno = op_errno;
+ UNLOCK(&frame->lock);
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto post_unlock;
}
-unlock:
- UNLOCK (&frame->lock);
-
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- if (local->op_ret == 0)
- dht_inode_ctx_time_set (local->loc.inode, this,
- &local->stbuf);
- DHT_STACK_UNWIND (setattr, frame, local->op_ret, local->op_errno,
- &local->prebuf, &local->stbuf, xdata);
- }
- return 0;
-}
+ dht_iatt_merge(this, &local->prebuf, statpre);
+ dht_iatt_merge(this, &local->stbuf, statpost);
+ local->op_ret = 0;
+ local->op_errno = 0;
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ if (local->op_ret == 0)
+ dht_inode_ctx_time_set(local->loc.inode, this, &local->stbuf);
+ DHT_STACK_UNWIND(setattr, frame, local->op_ret, local->op_errno,
+ &local->prebuf, &local->stbuf, xdata);
+ }
+
+ return 0;
+}
/* Keep the existing code same for all the cases other than regular file */
int
-dht_non_mds_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *statpre,
- struct iatt *statpost, dict_t *xdata)
+dht_non_mds_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ local = frame->local;
+ prev = cookie;
- local = frame->local;
- prev = cookie;
+ if (op_ret == -1) {
+ gf_msg(this->name, op_errno, 0, 0, "subvolume %s returned -1",
+ prev->name);
+ goto post_unlock;
+ }
- LOCK (&frame->lock);
- {
- if (op_ret == -1) {
- gf_msg (this->name, op_errno, 0,
- 0, "subvolume %s returned -1",
- prev->name);
+ LOCK(&frame->lock);
+ {
+ dht_iatt_merge(this, &local->prebuf, statpre);
+ dht_iatt_merge(this, &local->stbuf, statpost);
- goto unlock;
- }
-
- dht_iatt_merge (this, &local->prebuf, statpre);
- dht_iatt_merge (this, &local->stbuf, statpost);
-
- local->op_ret = 0;
- local->op_errno = 0;
- }
-unlock:
- UNLOCK (&frame->lock);
-
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- dht_inode_ctx_time_set (local->loc.inode, this, &local->stbuf);
- DHT_STACK_UNWIND (setattr, frame, 0, 0,
- &local->prebuf, &local->stbuf, xdata);
- }
-
- return 0;
+ local->op_ret = 0;
+ local->op_errno = 0;
+ }
+ UNLOCK(&frame->lock);
+post_unlock:
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ dht_inode_ctx_time_set(local->loc.inode, this, &local->stbuf);
+ DHT_STACK_UNWIND(setattr, frame, 0, 0, &local->prebuf, &local->stbuf,
+ xdata);
+ }
+
+ return 0;
}
-
-
-
-
int
-dht_mds_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *statpre,
- struct iatt *statpost, dict_t *xdata)
+dht_mds_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- xlator_t *prev = NULL;
- xlator_t *mds_subvol = NULL;
- struct iatt loc_stbuf = {0,};
- int i = 0;
-
- local = frame->local;
- prev = cookie;
- conf = this->private;
- mds_subvol = local->mds_subvol;
-
- if (op_ret == -1) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- gf_msg_debug (this->name, op_errno,
- "subvolume %s returned -1",
- prev->name);
- goto out;
- }
-
- local->op_ret = 0;
- loc_stbuf = local->stbuf;
- dht_iatt_merge (this, &local->prebuf, statpre);
- dht_iatt_merge (this, &local->stbuf, statpost);
-
- local->call_cnt = conf->subvolume_cnt - 1;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (mds_subvol == conf->subvolumes[i])
- continue;
- STACK_WIND_COOKIE (frame, dht_non_mds_setattr_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->setattr,
- &local->loc, &loc_stbuf,
- local->valid, local->xattr_req);
- }
-
- return 0;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *mds_subvol = NULL;
+ struct iatt loc_stbuf = {
+ 0,
+ };
+ int i = 0;
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+ mds_subvol = local->mds_subvol;
+
+ if (op_ret == -1) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ gf_msg_debug(this->name, op_errno, "subvolume %s returned -1",
+ prev->name);
+ goto out;
+ }
+
+ local->op_ret = 0;
+ loc_stbuf = local->stbuf;
+ dht_iatt_merge(this, &local->prebuf, statpre);
+ dht_iatt_merge(this, &local->stbuf, statpost);
+
+ local->call_cnt = conf->subvolume_cnt - 1;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (mds_subvol == conf->subvolumes[i])
+ continue;
+ STACK_WIND_COOKIE(frame, dht_non_mds_setattr_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->setattr, &local->loc,
+ &loc_stbuf, local->valid, local->xattr_req);
+ }
+
+ return 0;
out:
- DHT_STACK_UNWIND (setattr, frame, local->op_ret, local->op_errno,
- &local->prebuf, &local->stbuf, xdata);
+ DHT_STACK_UNWIND(setattr, frame, local->op_ret, local->op_errno,
+ &local->prebuf, &local->stbuf, xdata);
- return 0;
+ return 0;
}
int
-dht_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
- struct iatt *stbuf, int32_t valid, dict_t *xdata)
+dht_setattr(call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *stbuf,
+ int32_t valid, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- xlator_t *mds_subvol = NULL;
- dht_layout_t *layout = NULL;
- dht_local_t *local = NULL;
- int op_errno = -1;
- int i = -1;
- int ret = -1;
- int call_cnt = 0;
- dht_conf_t *conf = NULL;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (loc, err);
- VALIDATE_OR_GOTO (loc->inode, err);
- VALIDATE_OR_GOTO (loc->path, err);
-
- conf = this->private;
- local = dht_local_init (frame, loc, NULL, GF_FOP_SETATTR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- layout = local->layout;
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "no layout for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
-
- if (!layout_is_sane (layout)) {
- gf_msg_debug (this->name, 0,
- "layout is not sane for path=%s", loc->path);
- op_errno = EINVAL;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- if (IA_ISREG (loc->inode->ia_type)) {
- /* in the regular file _cbk(), we need to check for
- migration possibilities */
- local->rebalance.stbuf = *stbuf;
- local->rebalance.flags = valid;
- local->call_cnt = 1;
- subvol = local->cached_subvol;
+ xlator_t *subvol = NULL;
+ xlator_t *mds_subvol = NULL;
+ dht_layout_t *layout = NULL;
+ dht_local_t *local = NULL;
+ int op_errno = -1;
+ int i = -1;
+ int ret = -1;
+ int call_cnt = 0;
+ dht_conf_t *conf = NULL;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(loc, err);
+ VALIDATE_OR_GOTO(loc->inode, err);
+ VALIDATE_OR_GOTO(loc->path, err);
+
+ conf = this->private;
+ local = dht_local_init(frame, loc, NULL, GF_FOP_SETATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg_debug(this->name, 0, "no layout for path=%s", loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ if (!layout_is_sane(layout)) {
+ gf_msg_debug(this->name, 0, "layout is not sane for path=%s",
+ loc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ if (IA_ISREG(loc->inode->ia_type)) {
+ /* in the regular file _cbk(), we need to check for
+ migration possibilities */
+ local->rebalance.stbuf = *stbuf;
+ local->rebalance.flags = valid;
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
- STACK_WIND_COOKIE (frame, dht_file_setattr_cbk, subvol,
- subvol, subvol->fops->setattr, loc, stbuf,
- valid, xdata);
+ STACK_WIND_COOKIE(frame, dht_file_setattr_cbk, subvol, subvol,
+ subvol->fops->setattr, loc, stbuf, valid, xdata);
- return 0;
+ return 0;
+ }
+
+ local->call_cnt = call_cnt = layout->cnt;
+
+ if (IA_ISDIR(loc->inode->ia_type) && !__is_root_gfid(loc->inode->gfid) &&
+ call_cnt != 1) {
+ ret = dht_inode_ctx_mdsvol_get(loc->inode, this, &mds_subvol);
+ if (ret || !mds_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Failed to get mds subvol for path %s", local->loc.path);
+ op_errno = EINVAL;
+ goto err;
}
- local->call_cnt = call_cnt = layout->cnt;
-
- if (IA_ISDIR (loc->inode->ia_type) &&
- !__is_root_gfid (loc->inode->gfid) && call_cnt != 1) {
- ret = dht_inode_ctx_mdsvol_get (loc->inode, this, &mds_subvol);
- if (ret || !mds_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get mds subvol for path %s",
- local->loc.path);
- op_errno = EINVAL;
- goto err;
- }
-
- local->mds_subvol = mds_subvol;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == mds_subvol) {
- if (!conf->subvolume_status[i]) {
- gf_msg (this->name, GF_LOG_WARNING,
- layout->list[i].err,
- DHT_MSG_HASHED_SUBVOL_DOWN,
- "MDS subvol is down for path "
- " %s Unable to set attr " ,
- local->loc.path);
- op_errno = ENOTCONN;
- goto err;
- }
- }
- }
- local->valid = valid;
- local->stbuf = *stbuf;
-
- STACK_WIND_COOKIE (frame, dht_mds_setattr_cbk,
- local->mds_subvol,
- local->mds_subvol,
- local->mds_subvol->fops->setattr,
- loc, stbuf, valid, xdata);
- return 0;
- } else {
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_setattr_cbk,
- layout->list[i].xlator,
- layout->list[i].xlator,
- layout->list[i].xlator->fops->setattr,
- loc, stbuf, valid, xdata);
+ local->mds_subvol = mds_subvol;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == mds_subvol) {
+ if (!conf->subvolume_status[i]) {
+ gf_msg(this->name, GF_LOG_WARNING, layout->list[i].err,
+ DHT_MSG_HASHED_SUBVOL_DOWN,
+ "MDS subvol is down for path "
+ " %s Unable to set attr ",
+ local->loc.path);
+ op_errno = ENOTCONN;
+ goto err;
}
+ }
}
+ local->valid = valid;
+ local->stbuf = *stbuf;
+ STACK_WIND_COOKIE(frame, dht_mds_setattr_cbk, local->mds_subvol,
+ local->mds_subvol, local->mds_subvol->fops->setattr,
+ loc, stbuf, valid, xdata);
return 0;
+ } else {
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_setattr_cbk, layout->list[i].xlator,
+ layout->list[i].xlator,
+ layout->list[i].xlator->fops->setattr, loc, stbuf,
+ valid, xdata);
+ }
+ }
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (setattr, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(setattr, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
-
int
-dht_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *stbuf,
- int32_t valid, dict_t *xdata)
+dht_fsetattr(call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *stbuf,
+ int32_t valid, dict_t *xdata)
{
- xlator_t *subvol = NULL;
- dht_layout_t *layout = NULL;
- dht_local_t *local = NULL;
- int op_errno = -1;
- int i = -1;
- int call_cnt = 0;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (fd, err);
-
- local = dht_local_init (frame, NULL, fd, GF_FOP_FSETATTR);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
-
- layout = local->layout;
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "no layout for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
+ xlator_t *subvol = NULL;
+ dht_layout_t *layout = NULL;
+ dht_local_t *local = NULL;
+ int op_errno = -1;
+ int i = -1;
+ int call_cnt = 0;
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(fd, err);
+
+ local = dht_local_init(frame, NULL, fd, GF_FOP_FSETATTR);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ layout = local->layout;
+ if (!layout) {
+ gf_msg_debug(this->name, 0, "no layout for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ if (!layout_is_sane(layout)) {
+ gf_msg_debug(this->name, 0, "layout is not sane for fd=%p", fd);
+ op_errno = EINVAL;
+ goto err;
+ }
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ if (IA_ISREG(fd->inode->ia_type)) {
+ /* in the regular file _cbk(), we need to check for
+ migration possibilities */
+ local->rebalance.stbuf = *stbuf;
+ local->rebalance.flags = valid;
+ local->call_cnt = 1;
+ subvol = local->cached_subvol;
- if (!layout_is_sane (layout)) {
- gf_msg_debug (this->name, 0,
- "layout is not sane for fd=%p", fd);
- op_errno = EINVAL;
- goto err;
- }
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- if (IA_ISREG (fd->inode->ia_type)) {
- /* in the regular file _cbk(), we need to check for
- migration possibilities */
- local->rebalance.stbuf = *stbuf;
- local->rebalance.flags = valid;
- local->call_cnt = 1;
- subvol = local->cached_subvol;
-
- STACK_WIND_COOKIE (frame, dht_file_setattr_cbk, subvol,
- subvol, subvol->fops->fsetattr, fd,
- &local->rebalance.stbuf,
- local->rebalance.flags,
- local->xattr_req);
- return 0;
- }
+ STACK_WIND_COOKIE(frame, dht_file_setattr_cbk, subvol, subvol,
+ subvol->fops->fsetattr, fd, &local->rebalance.stbuf,
+ local->rebalance.flags, local->xattr_req);
+ return 0;
+ }
- local->call_cnt = call_cnt = layout->cnt;
+ local->call_cnt = call_cnt = layout->cnt;
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_setattr_cbk,
- layout->list[i].xlator,
- layout->list[i].xlator,
- layout->list[i].xlator->fops->fsetattr,
- fd, stbuf, valid, xdata);
- }
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_setattr_cbk, layout->list[i].xlator,
+ layout->list[i].xlator,
+ layout->list[i].xlator->fops->fsetattr, fd, stbuf,
+ valid, xdata);
+ }
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (fsetattr, frame, -1, op_errno, NULL, NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(fsetattr, frame, -1, op_errno, NULL, NULL, NULL);
- return 0;
+ return 0;
}
diff --git a/xlators/cluster/dht/src/dht-layout.c b/xlators/cluster/dht/src/dht-layout.c
index 97b98e01451..fda904c92c9 100644
--- a/xlators/cluster/dht/src/dht-layout.c
+++ b/xlators/cluster/dht/src/dht-layout.c
@@ -8,870 +8,801 @@
cases as published by the Free Software Foundation.
*/
-
-#include "glusterfs.h"
-#include "xlator.h"
#include "dht-common.h"
-#include "byte-order.h"
-#include "dht-messages.h"
+#include <glusterfs/byte-order.h>
#include "unittest/unittest.h"
+#define layout_base_size (sizeof(dht_layout_t))
-#define layout_base_size (sizeof (dht_layout_t))
-
-#define layout_entry_size (sizeof ((dht_layout_t *)NULL)->list[0])
+#define layout_entry_size (sizeof((dht_layout_t *)NULL)->list[0])
#define layout_size(cnt) (layout_base_size + (cnt * layout_entry_size))
dht_layout_t *
-dht_layout_new (xlator_t *this, int cnt)
+dht_layout_new(xlator_t *this, int cnt)
{
- dht_layout_t *layout = NULL;
- dht_conf_t *conf = NULL;
+ dht_layout_t *layout = NULL;
+ dht_conf_t *conf = NULL;
- REQUIRE(NULL != this);
- REQUIRE(cnt >= 0);
+ REQUIRE(NULL != this);
+ REQUIRE(cnt >= 0);
- conf = this->private;
+ conf = this->private;
- layout = GF_CALLOC (1, layout_size (cnt),
- gf_dht_mt_dht_layout_t);
- if (!layout) {
- goto out;
- }
+ layout = GF_CALLOC(1, layout_size(cnt), gf_dht_mt_dht_layout_t);
+ if (!layout) {
+ goto out;
+ }
- layout->type = DHT_HASH_TYPE_DM;
- layout->cnt = cnt;
+ layout->type = DHT_HASH_TYPE_DM;
+ layout->cnt = cnt;
- if (conf) {
- layout->spread_cnt = conf->dir_spread_cnt;
- layout->gen = conf->gen;
- }
+ if (conf) {
+ layout->spread_cnt = conf->dir_spread_cnt;
+ layout->gen = conf->gen;
+ }
- GF_ATOMIC_INIT (layout->ref, 1);
+ GF_ATOMIC_INIT(layout->ref, 1);
- ENSURE(NULL != layout);
- ENSURE(layout->type == DHT_HASH_TYPE_DM);
- ENSURE(layout->cnt == cnt);
- ENSURE(GF_ATOMIC_GET (layout->ref) == 1);
+ ENSURE(NULL != layout);
+ ENSURE(layout->type == DHT_HASH_TYPE_DM);
+ ENSURE(layout->cnt == cnt);
+ ENSURE(GF_ATOMIC_GET(layout->ref) == 1);
out:
- return layout;
+ return layout;
}
-
dht_layout_t *
-dht_layout_get (xlator_t *this, inode_t *inode)
+dht_layout_get(xlator_t *this, inode_t *inode)
{
- dht_layout_t *layout = NULL;
- int ret = 0;
-
- ret = dht_inode_ctx_layout_get (inode, this, &layout);
- if ((!ret) && layout) {
- GF_ATOMIC_INC (layout->ref);
- }
- return layout;
+ dht_layout_t *layout = NULL;
+ int ret = 0;
+
+ ret = dht_inode_ctx_layout_get(inode, this, &layout);
+ if ((!ret) && layout) {
+ GF_ATOMIC_INC(layout->ref);
+ }
+ return layout;
}
-
int
-dht_layout_set (xlator_t *this, inode_t *inode, dht_layout_t *layout)
+dht_layout_set(xlator_t *this, inode_t *inode, dht_layout_t *layout)
{
- dht_conf_t *conf = NULL;
- int oldret = -1;
- int ret = -1;
- dht_layout_t *old_layout;
-
- conf = this->private;
- if (!conf || !layout)
- goto out;
-
- LOCK (&conf->layout_lock);
- {
- oldret = dht_inode_ctx_layout_get (inode, this, &old_layout);
- if (layout)
- GF_ATOMIC_INC (layout->ref);
- ret = dht_inode_ctx_layout_set (inode, this, layout);
- }
- UNLOCK (&conf->layout_lock);
-
- if (!oldret) {
- dht_layout_unref (this, old_layout);
- }
- if (ret)
- GF_ATOMIC_DEC (layout->ref);
+ dht_conf_t *conf = NULL;
+ int oldret = -1;
+ int ret = -1;
+ dht_layout_t *old_layout;
+
+ conf = this->private;
+ if (!conf || !layout)
+ goto out;
+
+ LOCK(&conf->layout_lock);
+ {
+ oldret = dht_inode_ctx_layout_get(inode, this, &old_layout);
+ if (layout)
+ GF_ATOMIC_INC(layout->ref);
+ ret = dht_inode_ctx_layout_set(inode, this, layout);
+ }
+ UNLOCK(&conf->layout_lock);
+
+ if (!oldret) {
+ dht_layout_unref(this, old_layout);
+ }
+ if (ret)
+ GF_ATOMIC_DEC(layout->ref);
out:
- return ret;
+ return ret;
}
-
void
-dht_layout_unref (xlator_t *this, dht_layout_t *layout)
+dht_layout_unref(xlator_t *this, dht_layout_t *layout)
{
- int ref = 0;
+ int ref = 0;
- if (!layout || layout->preset || !this->private)
- return;
+ if (!layout || layout->preset || !this->private)
+ return;
- ref = GF_ATOMIC_DEC (layout->ref);
+ ref = GF_ATOMIC_DEC(layout->ref);
- if (!ref)
- GF_FREE (layout);
+ if (!ref)
+ GF_FREE(layout);
}
-
dht_layout_t *
-dht_layout_ref (xlator_t *this, dht_layout_t *layout)
+dht_layout_ref(xlator_t *this, dht_layout_t *layout)
{
- if (layout->preset || !this->private)
- return layout;
+ if (layout->preset || !this->private)
+ return layout;
- GF_ATOMIC_INC (layout->ref);
+ GF_ATOMIC_INC(layout->ref);
- return layout;
+ return layout;
}
-
xlator_t *
-dht_layout_search (xlator_t *this, dht_layout_t *layout, const char *name)
+dht_layout_search(xlator_t *this, dht_layout_t *layout, const char *name)
{
- uint32_t hash = 0;
- xlator_t *subvol = NULL;
- int i = 0;
- int ret = 0;
-
- ret = dht_hash_compute (this, layout->type, name, &hash);
- if (ret != 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_COMPUTE_HASH_FAILED,
- "hash computation failed for type=%d name=%s",
- layout->type, name);
- goto out;
- }
-
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].start <= hash
- && layout->list[i].stop >= hash) {
- subvol = layout->list[i].xlator;
- break;
- }
- }
-
- if (!subvol) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "no subvolume for hash (value) = %u", hash);
- }
+ uint32_t hash = 0;
+ xlator_t *subvol = NULL;
+ int i = 0;
+ int ret = 0;
+
+ ret = dht_hash_compute(this, layout->type, name, &hash);
+ if (ret != 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_COMPUTE_HASH_FAILED,
+ "type=%d", layout->type, "name=%s", name, NULL);
+ goto out;
+ }
+
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].start <= hash && layout->list[i].stop >= hash) {
+ subvol = layout->list[i].xlator;
+ break;
+ }
+ }
+
+ if (!subvol) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "hash-value=0x%x", hash, NULL);
+ }
out:
- return subvol;
+ return subvol;
}
-
dht_layout_t *
-dht_layout_for_subvol (xlator_t *this, xlator_t *subvol)
+dht_layout_for_subvol(xlator_t *this, xlator_t *subvol)
{
- dht_conf_t *conf = NULL;
- dht_layout_t *layout = NULL;
- int i = 0;
-
- conf = this->private;
- if (!conf)
- goto out;
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == subvol) {
- layout = conf->file_layouts[i];
- break;
- }
+ dht_conf_t *conf = NULL;
+ dht_layout_t *layout = NULL;
+ int i = 0;
+
+ conf = this->private;
+ if (!conf)
+ goto out;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == subvol) {
+ layout = conf->file_layouts[i];
+ break;
}
+ }
out:
- return layout;
+ return layout;
}
-
int
-dht_layouts_init (xlator_t *this, dht_conf_t *conf)
+dht_layouts_init(xlator_t *this, dht_conf_t *conf)
{
- dht_layout_t *layout = NULL;
- int i = 0;
- int ret = -1;
-
- if (!conf)
- goto out;
-
- conf->file_layouts = GF_CALLOC (conf->subvolume_cnt,
- sizeof (dht_layout_t *),
- gf_dht_mt_dht_layout_t);
- if (!conf->file_layouts) {
- goto out;
- }
+ dht_layout_t *layout = NULL;
+ int i = 0;
+ int ret = -1;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- layout = dht_layout_new (this, 1);
+ if (!conf)
+ goto out;
- if (!layout) {
- goto out;
- }
+ conf->file_layouts = GF_CALLOC(conf->subvolume_cnt, sizeof(dht_layout_t *),
+ gf_dht_mt_dht_layout_t);
+ if (!conf->file_layouts) {
+ goto out;
+ }
- layout->preset = 1;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ layout = dht_layout_new(this, 1);
- layout->list[0].xlator = conf->subvolumes[i];
-
- conf->file_layouts[i] = layout;
+ if (!layout) {
+ goto out;
}
- ret = 0;
+ layout->preset = 1;
+
+ layout->list[0].xlator = conf->subvolumes[i];
+
+ conf->file_layouts[i] = layout;
+ }
+
+ ret = 0;
out:
- return ret;
+ return ret;
}
-
int
-dht_disk_layout_extract (xlator_t *this, dht_layout_t *layout,
- int pos, int32_t **disk_layout_p)
+dht_disk_layout_extract(xlator_t *this, dht_layout_t *layout, int pos,
+ int32_t **disk_layout_p)
{
- int ret = -1;
- int32_t *disk_layout = NULL;
+ int ret = -1;
+ int32_t *disk_layout = NULL;
- disk_layout = GF_CALLOC (5, sizeof (int),
- gf_dht_mt_int32_t);
- if (!disk_layout) {
- goto out;
- }
+ disk_layout = GF_CALLOC(5, sizeof(int), gf_dht_mt_int32_t);
+ if (!disk_layout) {
+ goto out;
+ }
- disk_layout[0] = hton32 (layout->list[pos].commit_hash);
- disk_layout[1] = hton32 (layout->type);
- disk_layout[2] = hton32 (layout->list[pos].start);
- disk_layout[3] = hton32 (layout->list[pos].stop);
+ disk_layout[0] = hton32(layout->list[pos].commit_hash);
+ disk_layout[1] = hton32(layout->type);
+ disk_layout[2] = hton32(layout->list[pos].start);
+ disk_layout[3] = hton32(layout->list[pos].stop);
- if (disk_layout_p)
- *disk_layout_p = disk_layout;
- else
- GF_FREE (disk_layout);
+ if (disk_layout_p)
+ *disk_layout_p = disk_layout;
+ else
+ GF_FREE(disk_layout);
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
int
-dht_disk_layout_extract_for_subvol (xlator_t *this, dht_layout_t *layout,
- xlator_t *subvol, int32_t **disk_layout_p)
+dht_disk_layout_extract_for_subvol(xlator_t *this, dht_layout_t *layout,
+ xlator_t *subvol, int32_t **disk_layout_p)
{
- int i = 0;
+ int i = 0;
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].xlator == subvol)
- break;
- }
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].xlator == subvol)
+ break;
+ }
- if (i == layout->cnt)
- return -1;
+ if (i == layout->cnt)
+ return -1;
- return dht_disk_layout_extract (this, layout, i, disk_layout_p);
+ return dht_disk_layout_extract(this, layout, i, disk_layout_p);
}
-int
-dht_disk_layout_merge (xlator_t *this, dht_layout_t *layout,
- int pos, void *disk_layout_raw, int disk_layout_len)
+static int
+dht_disk_layout_merge(xlator_t *this, dht_layout_t *layout, int pos,
+ void *disk_layout_raw, int disk_layout_len)
{
- int type = 0;
- int start_off = 0;
- int stop_off = 0;
- int commit_hash = 0;
- int disk_layout[4];
+ int type = 0;
+ int start_off = 0;
+ int stop_off = 0;
+ int commit_hash = 0;
+ int disk_layout[4];
- if (!disk_layout_raw) {
- gf_msg (this->name, GF_LOG_CRITICAL, 0,
- DHT_MSG_LAYOUT_MERGE_FAILED,
- "error no layout on disk for merge");
- return -1;
- }
+ if (!disk_layout_raw) {
+ gf_smsg(this->name, GF_LOG_CRITICAL, 0, DHT_MSG_LAYOUT_MERGE_FAILED,
+ NULL);
+ return -1;
+ }
- GF_ASSERT (disk_layout_len == sizeof (disk_layout));
+ GF_ASSERT(disk_layout_len == sizeof(disk_layout));
- memcpy (disk_layout, disk_layout_raw, disk_layout_len);
+ memcpy(disk_layout, disk_layout_raw, disk_layout_len);
- type = ntoh32 (disk_layout[1]);
- switch (type) {
+ type = ntoh32(disk_layout[1]);
+ switch (type) {
case DHT_HASH_TYPE_DM_USER:
- gf_msg_debug (this->name, 0, "found user-set layout");
- layout->type = type;
- /* Fall through. */
- case DHT_HASH_TYPE_DM:
- break;
+ gf_msg_debug(this->name, 0, "found user-set layout");
+ layout->type = type;
+ /* Fall through. */
+ case DHT_HASH_TYPE_DM:
+ break;
default:
- gf_msg (this->name, GF_LOG_CRITICAL, 0,
- DHT_MSG_INVALID_DISK_LAYOUT,
- "Invalid disk layout: "
- "Catastrophic error layout with unknown type found %d",
- disk_layout[1]);
- return -1;
- }
-
- commit_hash = ntoh32 (disk_layout[0]);
- start_off = ntoh32 (disk_layout[2]);
- stop_off = ntoh32 (disk_layout[3]);
-
- layout->list[pos].commit_hash = commit_hash;
- layout->list[pos].start = start_off;
- layout->list[pos].stop = stop_off;
-
- gf_msg_trace (this->name, 0,
- "merged to layout: %u - %u (type %d, hash %d) from %s",
- start_off, stop_off, commit_hash, type,
- layout->list[pos].xlator->name);
-
- return 0;
+ gf_smsg(this->name, GF_LOG_CRITICAL, 0, DHT_MSG_INVALID_DISK_LAYOUT,
+ "layout=%d", disk_layout[1], NULL);
+ return -1;
+ }
+
+ commit_hash = ntoh32(disk_layout[0]);
+ start_off = ntoh32(disk_layout[2]);
+ stop_off = ntoh32(disk_layout[3]);
+
+ layout->list[pos].commit_hash = commit_hash;
+ layout->list[pos].start = start_off;
+ layout->list[pos].stop = stop_off;
+
+ gf_msg_trace(this->name, 0,
+ "merged to layout: 0x%x - 0x%x (hash 0x%x, type %d) from %s",
+ start_off, stop_off, commit_hash, type,
+ layout->list[pos].xlator->name);
+
+ return 0;
}
int
-dht_layout_merge (xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
- int op_ret, int op_errno, dict_t *xattr)
+dht_layout_merge(xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
+ int op_ret, int op_errno, dict_t *xattr)
{
- int i = 0;
- int ret = -1;
- int err = -1;
- void *disk_layout_raw = NULL;
- int disk_layout_len = 0;
- dht_conf_t *conf = this->private;
-
- if (op_ret != 0) {
- err = op_errno;
- }
+ int i = 0;
+ int ret = -1;
+ int err = -1;
+ void *disk_layout_raw = NULL;
+ int disk_layout_len = 0;
+ dht_conf_t *conf = this->private;
- if (!layout)
- goto out;
+ if (op_ret != 0) {
+ err = op_errno;
+ }
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].xlator == NULL) {
- layout->list[i].err = err;
- layout->list[i].xlator = subvol;
- break;
- }
- }
+ if (!layout)
+ goto out;
- if (op_ret != 0) {
- ret = 0;
- goto out;
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].xlator == NULL) {
+ layout->list[i].err = err;
+ layout->list[i].xlator = subvol;
+ break;
}
+ }
- if (xattr) {
- /* during lookup and not mkdir */
- ret = dict_get_ptr_and_len (xattr, conf->xattr_name,
- &disk_layout_raw, &disk_layout_len);
- }
+ if (op_ret != 0) {
+ ret = 0;
+ goto out;
+ }
- if (ret != 0) {
- layout->list[i].err = 0;
- gf_msg_trace (this->name, 0,
- "Missing disk layout on %s. err = %d",
- subvol->name, err);
- ret = 0;
- goto out;
- }
+ if (xattr) {
+ /* during lookup and not mkdir */
+ ret = dict_get_ptr_and_len(xattr, conf->xattr_name, &disk_layout_raw,
+ &disk_layout_len);
+ }
- ret = dht_disk_layout_merge (this, layout, i, disk_layout_raw,
- disk_layout_len);
- if (ret != 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_MERGE_FAILED,
- "layout merge from subvolume %s failed",
- subvol->name);
- goto out;
- }
+ if (ret != 0) {
+ layout->list[i].err = 0;
+ gf_msg_trace(this->name, 0, "Missing disk layout on %s. err = %d",
+ subvol->name, err);
+ ret = 0;
+ goto out;
+ }
- if (layout->commit_hash == 0) {
- layout->commit_hash = layout->list[i].commit_hash;
- } else if (layout->commit_hash != layout->list[i].commit_hash) {
- layout->commit_hash = DHT_LAYOUT_HASH_INVALID;
- }
+ ret = dht_disk_layout_merge(this, layout, i, disk_layout_raw,
+ disk_layout_len);
+ if (ret != 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LAYOUT_MERGE_FAILED,
+ "subvolume=%s", subvol->name, NULL);
+ goto out;
+ }
- layout->list[i].err = 0;
+ if (layout->commit_hash == 0) {
+ layout->commit_hash = layout->list[i].commit_hash;
+ } else if (layout->commit_hash != layout->list[i].commit_hash) {
+ layout->commit_hash = DHT_LAYOUT_HASH_INVALID;
+ }
+
+ layout->list[i].err = 0;
out:
- return ret;
+ return ret;
}
-
void
-dht_layout_entry_swap (dht_layout_t *layout, int i, int j)
+dht_layout_entry_swap(dht_layout_t *layout, int i, int j)
{
- uint32_t start_swap = 0;
- uint32_t stop_swap = 0;
- uint32_t commit_hash_swap = 0;
- xlator_t *xlator_swap = 0;
- int err_swap = 0;
-
- start_swap = layout->list[i].start;
- stop_swap = layout->list[i].stop;
- xlator_swap = layout->list[i].xlator;
- err_swap = layout->list[i].err;
- commit_hash_swap = layout->list[i].commit_hash;
-
- layout->list[i].start = layout->list[j].start;
- layout->list[i].stop = layout->list[j].stop;
- layout->list[i].xlator = layout->list[j].xlator;
- layout->list[i].err = layout->list[j].err;
- layout->list[i].commit_hash = layout->list[j].commit_hash;
-
- layout->list[j].start = start_swap;
- layout->list[j].stop = stop_swap;
- layout->list[j].xlator = xlator_swap;
- layout->list[j].err = err_swap;
- layout->list[j].commit_hash = commit_hash_swap;
+ uint32_t start_swap = 0;
+ uint32_t stop_swap = 0;
+ uint32_t commit_hash_swap = 0;
+ xlator_t *xlator_swap = 0;
+ int err_swap = 0;
+
+ start_swap = layout->list[i].start;
+ stop_swap = layout->list[i].stop;
+ xlator_swap = layout->list[i].xlator;
+ err_swap = layout->list[i].err;
+ commit_hash_swap = layout->list[i].commit_hash;
+
+ layout->list[i].start = layout->list[j].start;
+ layout->list[i].stop = layout->list[j].stop;
+ layout->list[i].xlator = layout->list[j].xlator;
+ layout->list[i].err = layout->list[j].err;
+ layout->list[i].commit_hash = layout->list[j].commit_hash;
+
+ layout->list[j].start = start_swap;
+ layout->list[j].stop = stop_swap;
+ layout->list[j].xlator = xlator_swap;
+ layout->list[j].err = err_swap;
+ layout->list[j].commit_hash = commit_hash_swap;
}
void
-dht_layout_range_swap (dht_layout_t *layout, int i, int j)
+dht_layout_range_swap(dht_layout_t *layout, int i, int j)
{
- uint32_t start_swap = 0;
- uint32_t stop_swap = 0;
+ uint32_t start_swap = 0;
+ uint32_t stop_swap = 0;
- start_swap = layout->list[i].start;
- stop_swap = layout->list[i].stop;
+ start_swap = layout->list[i].start;
+ stop_swap = layout->list[i].stop;
- layout->list[i].start = layout->list[j].start;
- layout->list[i].stop = layout->list[j].stop;
+ layout->list[i].start = layout->list[j].start;
+ layout->list[i].stop = layout->list[j].stop;
- layout->list[j].start = start_swap;
- layout->list[j].stop = stop_swap;
+ layout->list[j].start = start_swap;
+ layout->list[j].stop = stop_swap;
}
-
-int64_t
-dht_layout_entry_cmp_volname (dht_layout_t *layout, int i, int j)
+static int64_t
+dht_layout_entry_cmp_volname(dht_layout_t *layout, int i, int j)
{
- return (strcmp (layout->list[i].xlator->name,
- layout->list[j].xlator->name));
+ return (strcmp(layout->list[i].xlator->name, layout->list[j].xlator->name));
}
gf_boolean_t
-dht_is_subvol_in_layout (dht_layout_t *layout, xlator_t *xlator)
+dht_is_subvol_in_layout(dht_layout_t *layout, xlator_t *xlator)
{
- int i = 0;
-
- for (i = 0; i < layout->cnt; i++) {
- /* Check if xlator is already part of layout, and layout is
- * non-zero. */
- if (!strcmp (layout->list[i].xlator->name, xlator->name)) {
- if (layout->list[i].start != layout->list[i].stop)
- return _gf_true;
- break;
- }
- }
- return _gf_false;
+ int i = 0;
+
+ for (i = 0; i < layout->cnt; i++) {
+ /* Check if xlator is already part of layout, and layout is
+ * non-zero. */
+ if (!strcmp(layout->list[i].xlator->name, xlator->name)) {
+ if (layout->list[i].start != layout->list[i].stop)
+ return _gf_true;
+ break;
+ }
+ }
+ return _gf_false;
}
-int64_t
-dht_layout_entry_cmp (dht_layout_t *layout, int i, int j)
+static int64_t
+dht_layout_entry_cmp(dht_layout_t *layout, int i, int j)
{
- int64_t diff = 0;
+ int64_t diff = 0;
- /* swap zero'ed out layouts to front, if needed */
- if (!layout->list[j].start && !layout->list[j].stop) {
- diff = (int64_t) layout->list[i].stop
- - (int64_t) layout->list[j].stop;
- goto out;
- }
- diff = (int64_t) layout->list[i].start
- - (int64_t) layout->list[j].start;
+ /* swap zero'ed out layouts to front, if needed */
+ if (!layout->list[j].start && !layout->list[j].stop) {
+ diff = (int64_t)layout->list[i].stop - (int64_t)layout->list[j].stop;
+ goto out;
+ }
+ diff = (int64_t)layout->list[i].start - (int64_t)layout->list[j].start;
out:
- return diff;
+ return diff;
}
-
int
-dht_layout_sort (dht_layout_t *layout)
+dht_layout_sort(dht_layout_t *layout)
{
- int i = 0;
- int j = 0;
- int64_t ret = 0;
+ int i = 0;
+ int j = 0;
+ int64_t ret = 0;
- /* TODO: O(n^2) -- bad bad */
+ /* TODO: O(n^2) -- bad bad */
- for (i = 0; i < layout->cnt - 1; i++) {
- for (j = i + 1; j < layout->cnt; j++) {
- ret = dht_layout_entry_cmp (layout, i, j);
- if (ret > 0)
- dht_layout_entry_swap (layout, i, j);
- }
+ for (i = 0; i < layout->cnt - 1; i++) {
+ for (j = i + 1; j < layout->cnt; j++) {
+ ret = dht_layout_entry_cmp(layout, i, j);
+ if (ret > 0)
+ dht_layout_entry_swap(layout, i, j);
}
+ }
- return 0;
+ return 0;
}
-int
-dht_layout_sort_volname (dht_layout_t *layout)
+void
+dht_layout_sort_volname(dht_layout_t *layout)
{
- int i = 0;
- int j = 0;
- int64_t ret = 0;
+ int i = 0;
+ int j = 0;
+ int64_t ret = 0;
- /* TODO: O(n^2) -- bad bad */
+ /* TODO: O(n^2) -- bad bad */
- for (i = 0; i < layout->cnt - 1; i++) {
- for (j = i + 1; j < layout->cnt; j++) {
- ret = dht_layout_entry_cmp_volname (layout, i, j);
- if (ret > 0)
- dht_layout_entry_swap (layout, i, j);
- }
+ for (i = 0; i < layout->cnt - 1; i++) {
+ for (j = i + 1; j < layout->cnt; j++) {
+ ret = dht_layout_entry_cmp_volname(layout, i, j);
+ if (ret > 0)
+ dht_layout_entry_swap(layout, i, j);
}
-
- return 0;
+ }
}
-
-int
-dht_layout_anomalies (xlator_t *this, loc_t *loc, dht_layout_t *layout,
- uint32_t *holes_p, uint32_t *overlaps_p,
- uint32_t *missing_p, uint32_t *down_p, uint32_t *misc_p,
- uint32_t *no_space_p)
+void
+dht_layout_anomalies(xlator_t *this, loc_t *loc, dht_layout_t *layout,
+ uint32_t *holes_p, uint32_t *overlaps_p,
+ uint32_t *missing_p, uint32_t *down_p, uint32_t *misc_p,
+ uint32_t *no_space_p)
{
- uint32_t overlaps = 0;
- uint32_t missing = 0;
- uint32_t down = 0;
- uint32_t misc = 0;
- uint32_t hole_cnt = 0;
- uint32_t overlap_cnt = 0;
- int i = 0;
- int ret = 0;
- uint32_t prev_stop = 0;
- uint32_t last_stop = 0;
- char is_virgin = 1;
- uint32_t no_space = 0;
-
- /* This function scans through the layout spread of a directory to
- check if there are any anomalies. Prior to calling this function
- the layout entries should be sorted in the ascending order.
-
- If the layout entry has err != 0
- then increment the corresponding anomaly.
- else
- if (start of the current layout entry > stop + 1 of previous
- non erroneous layout entry)
- then it indicates a hole in the layout
- if (start of the current layout entry < stop + 1 of previous
- non erroneous layout entry)
- then it indicates an overlap in the layout
- */
- last_stop = layout->list[0].start - 1;
- prev_stop = last_stop;
-
- for (i = 0; i < layout->cnt; i++) {
- switch (layout->list[i].err) {
- case -1:
- case ENOENT:
- case ESTALE:
- missing++;
- continue;
- case ENOTCONN:
- down++;
- continue;
- case ENOSPC:
- no_space++;
- continue;
- case 0:
- /* if err == 0 and start == stop, then it is a non misc++;
- * participating subvolume(spread-cnt). Then, do not
- * check for anomalies. If start != stop, then treat it
- * as misc err */
- if (layout->list[i].start == layout->list[i].stop) {
- continue;
- }
- break;
- default:
- misc++;
- continue;
- }
-
- is_virgin = 0;
-
- if ((prev_stop + 1) < layout->list[i].start) {
- hole_cnt++;
+ uint32_t overlaps = 0;
+ uint32_t missing = 0;
+ uint32_t down = 0;
+ uint32_t misc = 0;
+ uint32_t hole_cnt = 0;
+ uint32_t overlap_cnt = 0;
+ int i = 0;
+ uint32_t prev_stop = 0;
+ uint32_t last_stop = 0;
+ char is_virgin = 1;
+ uint32_t no_space = 0;
+
+ /* This function scans through the layout spread of a directory to
+ check if there are any anomalies. Prior to calling this function
+ the layout entries should be sorted in the ascending order.
+
+ If the layout entry has err != 0
+ then increment the corresponding anomaly.
+ else
+ if (start of the current layout entry > stop + 1 of previous
+ non erroneous layout entry)
+ then it indicates a hole in the layout
+ if (start of the current layout entry < stop + 1 of previous
+ non erroneous layout entry)
+ then it indicates an overlap in the layout
+ */
+ last_stop = layout->list[0].start - 1;
+ prev_stop = last_stop;
+
+ for (i = 0; i < layout->cnt; i++) {
+ switch (layout->list[i].err) {
+ case -1:
+ case ENOENT:
+ case ESTALE:
+ missing++;
+ continue;
+ case ENOTCONN:
+ down++;
+ continue;
+ case ENOSPC:
+ no_space++;
+ continue;
+ case 0:
+ /* if err == 0 and start == stop, then it is a non misc++;
+ * participating subvolume(spread-cnt). Then, do not
+ * check for anomalies. If start != stop, then treat it
+ * as misc err */
+ if (layout->list[i].start == layout->list[i].stop) {
+ continue;
}
+ break;
+ default:
+ misc++;
+ continue;
+ }
- if ((prev_stop + 1) > layout->list[i].start) {
- overlap_cnt++;
- overlaps += ((prev_stop + 1) - layout->list[i].start);
- }
- prev_stop = layout->list[i].stop;
+ is_virgin = 0;
+
+ if ((prev_stop + 1) < layout->list[i].start) {
+ hole_cnt++;
}
- if ((last_stop - prev_stop) || is_virgin)
- hole_cnt++;
+ if ((prev_stop + 1) > layout->list[i].start) {
+ overlap_cnt++;
+ overlaps += ((prev_stop + 1) - layout->list[i].start);
+ }
+ prev_stop = layout->list[i].stop;
+ }
- if (holes_p)
- *holes_p = hole_cnt;
+ if ((last_stop - prev_stop) || is_virgin)
+ hole_cnt++;
- if (overlaps_p)
- *overlaps_p = overlap_cnt;
+ if (holes_p)
+ *holes_p = hole_cnt;
- if (missing_p)
- *missing_p = missing;
+ if (overlaps_p)
+ *overlaps_p = overlap_cnt;
- if (down_p)
- *down_p = down;
+ if (missing_p)
+ *missing_p = missing;
- if (misc_p)
- *misc_p = misc;
+ if (down_p)
+ *down_p = down;
- if (no_space_p)
- *no_space_p = no_space;
+ if (misc_p)
+ *misc_p = misc;
- return ret;
+ if (no_space_p)
+ *no_space_p = no_space;
}
-
int
-dht_layout_missing_dirs (dht_layout_t *layout)
+dht_layout_missing_dirs(dht_layout_t *layout)
{
- int i = 0, missing = 0;
+ int i = 0, missing = 0;
- if (layout == NULL)
- goto out;
+ if (layout == NULL)
+ goto out;
- for (i = 0; i < layout->cnt; i++) {
- if ((layout->list[i].err == ENOENT)
- || ((layout->list[i].err == -1)
- && (layout->list[i].start == 0)
- && (layout->list[i].stop == 0))) {
- missing++;
- }
+ for (i = 0; i < layout->cnt; i++) {
+ if ((layout->list[i].err == ENOENT) ||
+ ((layout->list[i].err == -1) && (layout->list[i].start == 0) &&
+ (layout->list[i].stop == 0))) {
+ missing++;
}
+ }
out:
- return missing;
+ return missing;
}
-
int
-dht_layout_normalize (xlator_t *this, loc_t *loc, dht_layout_t *layout)
+dht_layout_normalize(xlator_t *this, loc_t *loc, dht_layout_t *layout)
{
- int ret = 0;
- uint32_t holes = 0;
- uint32_t overlaps = 0;
- uint32_t missing = 0;
- uint32_t down = 0;
- uint32_t misc = 0, missing_dirs = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- ret = dht_layout_sort (layout);
- if (ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_SORT_FAILED,
- "sort failed?! how the ....");
- goto out;
- }
-
- gf_uuid_unparse(loc->gfid, gfid);
-
- ret = dht_layout_anomalies (this, loc, layout,
- &holes, &overlaps,
- &missing, &down, &misc, NULL);
- if (ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_FIND_LAYOUT_ANOMALIES_ERROR,
- "Error finding anomalies in %s, gfid = %s",
- loc->path, gfid);
- goto out;
- }
-
- if (holes || overlaps) {
- if (missing == layout->cnt) {
- gf_msg_debug (this->name, 0,
- "Directory %s looked up first time"
- " gfid = %s", loc->path, gfid);
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_ANOMALIES_INFO,
- "Found anomalies in %s (gfid = %s). "
- "Holes=%d overlaps=%d",
- loc->path, gfid, holes, overlaps );
- }
- ret = -1;
- }
-
- if (ret >= 0) {
- missing_dirs = dht_layout_missing_dirs (layout);
- /* TODO During DHT selfheal rewrite (almost) find a better place
- * to detect this - probably in dht_layout_anomalies()
- */
- if (missing_dirs > 0)
- ret += missing_dirs;
- }
+ int ret = 0;
+ uint32_t holes = 0;
+ uint32_t overlaps = 0;
+ uint32_t missing = 0;
+ uint32_t down = 0;
+ uint32_t misc = 0, missing_dirs = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ ret = dht_layout_sort(layout);
+ if (ret == -1) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LAYOUT_SORT_FAILED,
+ NULL);
+ goto out;
+ }
+
+ gf_uuid_unparse(loc->gfid, gfid);
+
+ dht_layout_anomalies(this, loc, layout, &holes, &overlaps, &missing, &down,
+ &misc, NULL);
+
+ if (holes || overlaps) {
+ if (missing == layout->cnt) {
+ gf_msg_debug(this->name, 0,
+ "Directory %s looked up first time"
+ " gfid = %s",
+ loc->path, gfid);
+ } else {
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_ANOMALIES_INFO,
+ "path=%s", loc->path, "gfid=%s", gfid, "holes=%d", holes,
+ "overlaps=%d", overlaps, NULL);
+ }
+ ret = -1;
+ }
+
+ if (ret >= 0) {
+ missing_dirs = dht_layout_missing_dirs(layout);
+ /* TODO During DHT selfheal rewrite (almost) find a better place
+ * to detect this - probably in dht_layout_anomalies()
+ */
+ if (missing_dirs > 0)
+ ret += missing_dirs;
+ }
out:
- return ret;
+ return ret;
}
int
-dht_dir_has_layout (dict_t *xattr, char *name)
+dht_dir_has_layout(dict_t *xattr, char *name)
{
+ void *disk_layout_raw = NULL;
- void *disk_layout_raw = NULL;
-
- return dict_get_ptr (xattr, name, &disk_layout_raw);
+ return dict_get_ptr(xattr, name, &disk_layout_raw);
}
int
-dht_layout_dir_mismatch (xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
- loc_t *loc, dict_t *xattr)
+dht_layout_dir_mismatch(xlator_t *this, dht_layout_t *layout, xlator_t *subvol,
+ loc_t *loc, dict_t *xattr)
{
- int idx = 0;
- int pos = -1;
- int ret = 0;
- int err = 0;
- int dict_ret = 0;
- int32_t disk_layout[4];
- void *disk_layout_raw = NULL;
- uint32_t start_off = -1;
- uint32_t stop_off = -1;
- uint32_t commit_hash = -1;
- dht_conf_t *conf = this->private;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- if(loc && loc->inode)
- gf_uuid_unparse(loc->inode->gfid, gfid);
-
- for (idx = 0; idx < layout->cnt; idx++) {
- if (layout->list[idx].xlator == subvol) {
- pos = idx;
- break;
- }
- }
-
- if (pos == -1) {
- if (loc) {
- gf_msg_debug (this->name, 0,
- "%s - no layout info for subvolume %s",
- loc ? loc->path : "path not found",
- subvol->name);
- }
- ret = 1;
- goto out;
- }
-
- err = layout->list[pos].err;
-
- if (!xattr) {
- if (err == 0) {
- if (loc) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_DICT_GET_FAILED,
- "%s: xattr dictionary is NULL",
- loc->path);
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_DICT_GET_FAILED,
- "path not found: "
- "xattr dictionary is NULL");
- }
- ret = -1;
- }
- goto out;
- }
-
- dict_ret = dict_get_ptr (xattr, conf->xattr_name,
- &disk_layout_raw);
-
- if (dict_ret < 0) {
- if (err == 0 && layout->list[pos].stop) {
- if (loc) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_DISK_LAYOUT_MISSING,
- "%s: Disk layout missing, gfid = %s",
- loc->path, gfid);
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_DISK_LAYOUT_MISSING,
- "path not found: "
- "Disk layout missing, gfid = %s",
- gfid);
- }
- ret = -1;
- }
- goto out;
- }
-
- memcpy (disk_layout, disk_layout_raw, sizeof (disk_layout));
-
- start_off = ntoh32 (disk_layout[2]);
- stop_off = ntoh32 (disk_layout[3]);
- commit_hash = ntoh32 (disk_layout[0]);
-
- if ((layout->list[pos].start != start_off)
- || (layout->list[pos].stop != stop_off)
- || (layout->list[pos].commit_hash != commit_hash)) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LAYOUT_INFO,
- "subvol: %s; inode layout - %"PRIu32" - %"PRIu32
- " - %"PRIu32"; "
- "disk layout - %"PRIu32" - %"PRIu32" - %"PRIu32,
- layout->list[pos].xlator->name,
- layout->list[pos].start, layout->list[pos].stop,
- layout->list[pos].commit_hash,
- start_off, stop_off, commit_hash);
- ret = 1;
- } else {
- ret = 0;
- }
+ int idx = 0;
+ int pos = -1;
+ int ret = 0;
+ int err = 0;
+ int dict_ret = 0;
+ int32_t disk_layout[4];
+ void *disk_layout_raw = NULL;
+ uint32_t start_off = -1;
+ uint32_t stop_off = -1;
+ uint32_t commit_hash = -1;
+ dht_conf_t *conf = this->private;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ if (loc && loc->inode)
+ gf_uuid_unparse(loc->inode->gfid, gfid);
+
+ for (idx = 0; idx < layout->cnt; idx++) {
+ if (layout->list[idx].xlator == subvol) {
+ pos = idx;
+ break;
+ }
+ }
+
+ if (pos == -1) {
+ if (loc) {
+ gf_msg_debug(this->name, 0, "%s - no layout info for subvolume %s",
+ loc ? loc->path : "path not found", subvol->name);
+ }
+ ret = 1;
+ goto out;
+ }
+
+ err = layout->list[pos].err;
+
+ if (!xattr) {
+ if (err == 0) {
+ if (loc) {
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_XATTR_DICT_NULL,
+ "path=%s", loc->path, NULL);
+ } else {
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_XATTR_DICT_NULL,
+ "path not found", NULL);
+ }
+ ret = -1;
+ }
+ goto out;
+ }
+
+ dict_ret = dict_get_ptr(xattr, conf->xattr_name, &disk_layout_raw);
+
+ if (dict_ret < 0) {
+ if (err == 0 && layout->list[pos].stop) {
+ if (loc) {
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_DISK_LAYOUT_MISSING,
+ "path=%s", loc->path, "gfid=%s", gfid, NULL);
+ } else {
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_DISK_LAYOUT_MISSING,
+ "path not found"
+ "gfid=%s",
+ gfid, NULL);
+ }
+ ret = -1;
+ }
+ goto out;
+ }
+
+ memcpy(disk_layout, disk_layout_raw, sizeof(disk_layout));
+
+ start_off = ntoh32(disk_layout[2]);
+ stop_off = ntoh32(disk_layout[3]);
+ commit_hash = ntoh32(disk_layout[0]);
+
+ if ((layout->list[pos].start != start_off) ||
+ (layout->list[pos].stop != stop_off) ||
+ (layout->list[pos].commit_hash != commit_hash)) {
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_LAYOUT_INFO, "subvol=%s",
+ layout->list[pos].xlator->name, "inode-layout:start=0x%x",
+ layout->list[pos].start, "inode-layout:stop=0x%x",
+ layout->list[pos].stop, "layout-commit-hash=0x%x; ",
+ layout->list[pos].commit_hash, "disk-layout:start-off=0x%x",
+ start_off, "disk-layout:top-off=0x%x", stop_off,
+ "commit-hash=0x%x", commit_hash, NULL);
+ ret = 1;
+ } else {
+ ret = 0;
+ }
out:
- return ret;
+ return ret;
}
-
int
-dht_layout_preset (xlator_t *this, xlator_t *subvol, inode_t *inode)
+dht_layout_preset(xlator_t *this, xlator_t *subvol, inode_t *inode)
{
- dht_layout_t *layout = NULL;
- int ret = -1;
- dht_conf_t *conf = NULL;
+ dht_layout_t *layout = NULL;
+ int ret = -1;
+ dht_conf_t *conf = NULL;
- conf = this->private;
- if (!conf)
- goto out;
+ conf = this->private;
+ if (!conf)
+ goto out;
+ layout = dht_layout_for_subvol(this, subvol);
+ if (!layout) {
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_SUBVOL_NO_LAYOUT_INFO,
+ "subvolume=%s", subvol ? subvol->name : "<nil>", NULL);
+ ret = -1;
+ goto out;
+ }
- layout = dht_layout_for_subvol (this, subvol);
- if (!layout) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_SUBVOL_NO_LAYOUT_INFO,
- "no pre-set layout for subvolume %s",
- subvol ? subvol->name : "<nil>");
- ret = -1;
- goto out;
- }
+ gf_msg_debug(this->name, 0, "file = %s, subvol = %s",
+ uuid_utoa(inode->gfid), subvol ? subvol->name : "<nil>");
- gf_msg_debug (this->name, 0, "file = %s, subvol = %s",
- uuid_utoa (inode->gfid), subvol ? subvol->name : "<nil>");
+ LOCK(&conf->layout_lock);
+ {
+ dht_inode_ctx_layout_set(inode, this, layout);
+ }
- LOCK (&conf->layout_lock);
- {
- dht_inode_ctx_layout_set (inode, this, layout);
- }
+ UNLOCK(&conf->layout_lock);
- UNLOCK (&conf->layout_lock);
-
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
int
-dht_layout_index_for_subvol (dht_layout_t *layout, xlator_t *subvol)
+dht_layout_index_for_subvol(dht_layout_t *layout, xlator_t *subvol)
{
- int i = 0, ret = -1;
+ int i = 0, ret = -1;
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].xlator == subvol) {
- ret = i;
- break;
- }
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].xlator == subvol) {
+ ret = i;
+ break;
}
+ }
- return ret;
+ return ret;
}
diff --git a/xlators/cluster/dht/src/dht-linkfile.c b/xlators/cluster/dht/src/dht-linkfile.c
index a6d994b4157..89ec6cca56e 100644
--- a/xlators/cluster/dht/src/dht-linkfile.c
+++ b/xlators/cluster/dht/src/dht-linkfile.c
@@ -8,351 +8,321 @@
cases as published by the Free Software Foundation.
*/
-
-#include "glusterfs.h"
-#include "xlator.h"
-#include "compat.h"
+#include <glusterfs/compat.h>
#include "dht-common.h"
-#include "dht-messages.h"
-int
-dht_linkfile_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
+static int
+dht_linkfile_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, dict_t *xattr,
+ struct iatt *postparent)
{
- char is_linkfile = 0;
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- prev = cookie;
- conf = this->private;
-
- if (op_ret)
- goto out;
-
- gf_uuid_unparse(local->loc.gfid, gfid);
-
- is_linkfile = check_is_linkfile (inode, stbuf, xattr,
- conf->link_xattr_name);
- if (!is_linkfile)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_NOT_LINK_FILE_ERROR,
- "got non-linkfile %s:%s, gfid = %s",
- prev->name, local->loc.path, gfid);
+ char is_linkfile = 0;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+ prev = cookie;
+ conf = this->private;
+
+ if (op_ret)
+ goto out;
+
+ gf_uuid_unparse(local->loc.gfid, gfid);
+
+ is_linkfile = check_is_linkfile(inode, stbuf, xattr, conf->link_xattr_name);
+ if (!is_linkfile)
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_NOT_LINK_FILE_ERROR,
+ "name=%s", prev->name, "path=%s", local->loc.path, "gfid=%s",
+ gfid, NULL);
out:
- local->linkfile.linkfile_cbk (frame, cookie, this, op_ret, op_errno,
- inode, stbuf, postparent, postparent,
- xattr);
- return 0;
+ local->linkfile.linkfile_cbk(frame, cookie, this, op_ret, op_errno, inode,
+ stbuf, postparent, postparent, xattr);
+ return 0;
}
-#define is_equal(a, b) ((a) == (b))
-int
-dht_linkfile_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode,
- struct iatt *stbuf, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+static int
+dht_linkfile_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- dict_t *xattrs = NULL;
- dht_conf_t *conf = NULL;
- int ret = -1;
-
- local = frame->local;
-
- if (!op_ret)
- local->linked = _gf_true;
-
- FRAME_SU_UNDO (frame, dht_local_t);
-
- if (op_ret && (op_errno == EEXIST)) {
- conf = this->private;
- subvol = cookie;
- if (!subvol)
- goto out;
- xattrs = dict_new ();
- if (!xattrs)
- goto out;
- ret = dict_set_uint32 (xattrs, conf->link_xattr_name, 256);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value. key : %s",
- conf->link_xattr_name);
- goto out;
- }
-
- STACK_WIND_COOKIE (frame, dht_linkfile_lookup_cbk, subvol,
- subvol, subvol->fops->lookup, &local->linkfile.loc,
- xattrs);
- if (xattrs)
- dict_unref (xattrs);
- return 0;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ dict_t *xattrs = NULL;
+ dht_conf_t *conf = NULL;
+ int ret = -1;
+
+ local = frame->local;
+
+ if (!op_ret)
+ local->linked = _gf_true;
+
+ FRAME_SU_UNDO(frame, dht_local_t);
+
+ if (op_ret && (op_errno == EEXIST)) {
+ conf = this->private;
+ subvol = cookie;
+ if (!subvol)
+ goto out;
+ xattrs = dict_new();
+ if (!xattrs)
+ goto out;
+ ret = dict_set_uint32(xattrs, conf->link_xattr_name, 256);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "mame=%s", conf->link_xattr_name, NULL);
+ goto out;
}
-out:
- local->linkfile.linkfile_cbk (frame, cookie, this, op_ret, op_errno,
- inode, stbuf, preparent, postparent,
- xdata);
+
+ STACK_WIND_COOKIE(frame, dht_linkfile_lookup_cbk, subvol, subvol,
+ subvol->fops->lookup, &local->linkfile.loc, xattrs);
if (xattrs)
- dict_unref (xattrs);
+ dict_unref(xattrs);
return 0;
+ }
+out:
+ local->linkfile.linkfile_cbk(frame, cookie, this, op_ret, op_errno, inode,
+ stbuf, preparent, postparent, xdata);
+ if (xattrs)
+ dict_unref(xattrs);
+ return 0;
}
-
int
-dht_linkfile_create (call_frame_t *frame, fop_mknod_cbk_t linkfile_cbk,
- xlator_t *this,
- xlator_t *tovol, xlator_t *fromvol, loc_t *loc)
+dht_linkfile_create(call_frame_t *frame, fop_mknod_cbk_t linkfile_cbk,
+ xlator_t *this, xlator_t *tovol, xlator_t *fromvol,
+ loc_t *loc)
{
- dht_local_t *local = NULL;
- dict_t *dict = NULL;
- int need_unref = 0;
- int ret = 0;
- dht_conf_t *conf = this->private;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- local->linkfile.linkfile_cbk = linkfile_cbk;
- local->linkfile.srcvol = tovol;
- loc_copy (&local->linkfile.loc, loc);
-
- local->linked = _gf_false;
-
- dict = local->params;
- if (!dict) {
- dict = dict_new ();
- if (!dict)
- goto out;
- need_unref = 1;
- }
-
-
- if (!gf_uuid_is_null (local->gfid)) {
- gf_uuid_unparse(local->gfid, gfid);
-
- ret = dict_set_gfuuid (dict, "gfid-req", local->gfid, true);
- if (ret)
- gf_msg ("dht-linkfile", GF_LOG_INFO, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value: "
- "key = gfid-req, gfid = %s ", loc->path, gfid);
- } else {
- gf_uuid_unparse(loc->gfid, gfid);
- }
-
- ret = dict_set_str (dict, GLUSTERFS_INTERNAL_FOP_KEY, "yes");
+ dht_local_t *local = NULL;
+ dict_t *dict = NULL;
+ int need_unref = 0;
+ int ret = 0;
+ dht_conf_t *conf = this->private;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+ local->linkfile.linkfile_cbk = linkfile_cbk;
+ local->linkfile.srcvol = tovol;
+ loc_copy(&local->linkfile.loc, loc);
+
+ local->linked = _gf_false;
+
+ dict = local->params;
+ if (!dict) {
+ dict = dict_new();
+ if (!dict)
+ goto out;
+ need_unref = 1;
+ }
+
+ if (!gf_uuid_is_null(local->gfid)) {
+ gf_uuid_unparse(local->gfid, gfid);
+
+ ret = dict_set_gfuuid(dict, "gfid-req", local->gfid, true);
if (ret)
- gf_msg ("dht-linkfile", GF_LOG_INFO, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value: key = %s,"
- " gfid = %s", loc->path,
- GLUSTERFS_INTERNAL_FOP_KEY, gfid);
-
- ret = dict_set_str (dict, conf->link_xattr_name, tovol->name);
-
- if (ret < 0) {
- gf_msg (frame->this->name, GF_LOG_INFO, 0,
- DHT_MSG_CREATE_LINK_FAILED,
- "%s: failed to initialize linkfile data, gfid = %s",
- loc->path, gfid);
- goto out;
- }
-
- local->link_subvol = fromvol;
- /* Always create as root:root. dht_linkfile_attr_heal fixes the
- * ownsership */
- FRAME_SU_DO (frame, dht_local_t);
- STACK_WIND_COOKIE (frame, dht_linkfile_create_cbk, fromvol, fromvol,
- fromvol->fops->mknod, loc,
- S_IFREG | DHT_LINKFILE_MODE, 0, 0, dict);
-
- if (need_unref && dict)
- dict_unref (dict);
-
- return 0;
+ gf_smsg("dht-linkfile", GF_LOG_INFO, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", loc->path, "gfid=%s", gfid, NULL);
+ } else {
+ gf_uuid_unparse(loc->gfid, gfid);
+ }
+
+ ret = dict_set_str(dict, GLUSTERFS_INTERNAL_FOP_KEY, "yes");
+ if (ret)
+ gf_smsg("dht-linkfile", GF_LOG_INFO, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", loc->path, "key=%s", GLUSTERFS_INTERNAL_FOP_KEY,
+ "gfid=%s", gfid, NULL);
+
+ ret = dict_set_str(dict, conf->link_xattr_name, tovol->name);
+
+ if (ret < 0) {
+ gf_smsg(frame->this->name, GF_LOG_INFO, 0, DHT_MSG_CREATE_LINK_FAILED,
+ "path=%s", loc->path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
+
+ local->link_subvol = fromvol;
+ /* Always create as root:root. dht_linkfile_attr_heal fixes the
+ * ownsership */
+ FRAME_SU_DO(frame, dht_local_t);
+ STACK_WIND_COOKIE(frame, dht_linkfile_create_cbk, fromvol, fromvol,
+ fromvol->fops->mknod, loc, S_IFREG | DHT_LINKFILE_MODE, 0,
+ 0, dict);
+
+ if (need_unref && dict)
+ dict_unref(dict);
+
+ return 0;
out:
- local->linkfile.linkfile_cbk (frame, frame->this, frame->this, -1, ENOMEM,
- loc->inode, NULL, NULL, NULL, NULL);
+ local->linkfile.linkfile_cbk(frame, frame->this, frame->this, -1, ENOMEM,
+ loc->inode, NULL, NULL, NULL, NULL);
- if (need_unref && dict)
- dict_unref (dict);
+ if (need_unref && dict)
+ dict_unref(dict);
- return 0;
+ return 0;
}
-
int
-dht_linkfile_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+dht_linkfile_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ struct iatt *preparent, struct iatt *postparent,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- subvol = cookie;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ local = frame->local;
+ subvol = cookie;
- if (op_ret == -1) {
-
- gf_uuid_unparse(local->loc.gfid, gfid);
- gf_msg (this->name, GF_LOG_INFO, op_errno,
- DHT_MSG_UNLINK_FAILED,
- "Unlinking linkfile %s (gfid = %s)on "
- "subvolume %s failed ",
- local->loc.path, gfid, subvol->name);
- }
+ if (op_ret == -1) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ gf_smsg(this->name, GF_LOG_INFO, op_errno, DHT_MSG_UNLINK_FAILED,
+ "path=%s", local->loc.path, "gfid=%s", gfid, "subvolume=%s",
+ subvol->name, NULL);
+ }
- DHT_STACK_DESTROY (frame);
+ DHT_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
-
int
-dht_linkfile_unlink (call_frame_t *frame, xlator_t *this,
- xlator_t *subvol, loc_t *loc)
+dht_linkfile_unlink(call_frame_t *frame, xlator_t *this, xlator_t *subvol,
+ loc_t *loc)
{
- call_frame_t *unlink_frame = NULL;
- dht_local_t *unlink_local = NULL;
+ call_frame_t *unlink_frame = NULL;
+ dht_local_t *unlink_local = NULL;
- unlink_frame = copy_frame (frame);
- if (!unlink_frame) {
- goto err;
- }
+ unlink_frame = copy_frame(frame);
+ if (!unlink_frame) {
+ goto err;
+ }
- /* Using non-fop value here, as anyways, 'local->fop' is not used in
- this particular case */
- unlink_local = dht_local_init (unlink_frame, loc, NULL,
- GF_FOP_MAXVALUE);
- if (!unlink_local) {
- goto err;
- }
+ /* Using non-fop value here, as anyways, 'local->fop' is not used in
+ this particular case */
+ unlink_local = dht_local_init(unlink_frame, loc, NULL, GF_FOP_MAXVALUE);
+ if (!unlink_local) {
+ goto err;
+ }
- STACK_WIND_COOKIE (unlink_frame, dht_linkfile_unlink_cbk, subvol,
- subvol, subvol->fops->unlink,
- &unlink_local->loc, 0, NULL);
+ STACK_WIND_COOKIE(unlink_frame, dht_linkfile_unlink_cbk, subvol, subvol,
+ subvol->fops->unlink, &unlink_local->loc, 0, NULL);
- return 0;
+ return 0;
err:
- if (unlink_frame)
- DHT_STACK_DESTROY (unlink_frame);
+ if (unlink_frame)
+ DHT_STACK_DESTROY(unlink_frame);
- return -1;
+ return -1;
}
-
xlator_t *
-dht_linkfile_subvol (xlator_t *this, inode_t *inode, struct iatt *stbuf,
- dict_t *xattr)
+dht_linkfile_subvol(xlator_t *this, inode_t *inode, struct iatt *stbuf,
+ dict_t *xattr)
{
- dht_conf_t *conf = NULL;
- xlator_t *subvol = NULL;
- void *volname = NULL;
- int i = 0, ret = 0;
+ dht_conf_t *conf = NULL;
+ xlator_t *subvol = NULL;
+ void *volname = NULL;
+ int i = 0, ret = 0;
- conf = this->private;
+ conf = this->private;
- if (!xattr)
- goto out;
+ if (!xattr)
+ goto out;
- ret = dict_get_ptr (xattr, conf->link_xattr_name, &volname);
+ ret = dict_get_ptr(xattr, conf->link_xattr_name, &volname);
- if ((-1 == ret) || !volname)
- goto out;
+ if ((-1 == ret) || !volname)
+ goto out;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (strcmp (conf->subvolumes[i]->name, (char *)volname) == 0) {
- subvol = conf->subvolumes[i];
- break;
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (strcmp(conf->subvolumes[i]->name, (char *)volname) == 0) {
+ subvol = conf->subvolumes[i];
+ break;
}
+ }
out:
- return subvol;
+ return subvol;
}
-int
-dht_linkfile_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *statpre,
- struct iatt *statpost, dict_t *xdata)
+static int
+dht_linkfile_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
{
- dht_local_t *local = NULL;
- loc_t *loc = NULL;
+ dht_local_t *local = NULL;
+ loc_t *loc = NULL;
- local = frame->local;
- loc = &local->loc;
+ local = frame->local;
+ loc = &local->loc;
- if (op_ret)
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_SETATTR_FAILED,
- "Failed to set attr uid/gid on %s"
- " :<gfid:%s> ",
- (loc->path? loc->path: "NULL"),
- uuid_utoa(local->gfid));
+ if (op_ret)
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno, DHT_MSG_SETATTR_FAILED,
+ "path=%s", (loc->path ? loc->path : "NULL"), "gfid=%s",
+ uuid_utoa(local->gfid), NULL);
- DHT_STACK_DESTROY (frame);
+ DHT_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
int
-dht_linkfile_attr_heal (call_frame_t *frame, xlator_t *this)
+dht_linkfile_attr_heal(call_frame_t *frame, xlator_t *this)
{
- int ret = -1;
- call_frame_t *copy = NULL;
- dht_local_t *local = NULL;
- dht_local_t *copy_local = NULL;
- xlator_t *subvol = NULL;
- struct iatt stbuf = {0,};
- dict_t *xattr = NULL;
-
- local = frame->local;
-
- GF_VALIDATE_OR_GOTO ("dht", local, out);
- GF_VALIDATE_OR_GOTO ("dht", local->link_subvol, out);
-
- if (local->stbuf.ia_type == IA_INVAL)
- return 0;
+ int ret = -1;
+ call_frame_t *copy = NULL;
+ dht_local_t *local = NULL;
+ dht_local_t *copy_local = NULL;
+ xlator_t *subvol = NULL;
+ struct iatt stbuf = {
+ 0,
+ };
+ dict_t *xattr = NULL;
+
+ local = frame->local;
+
+ GF_VALIDATE_OR_GOTO("dht", local, out);
+ GF_VALIDATE_OR_GOTO("dht", local->link_subvol, out);
+
+ if (local->stbuf.ia_type == IA_INVAL)
+ return 0;
- DHT_MARK_FOP_INTERNAL (xattr);
+ DHT_MARK_FOP_INTERNAL(xattr);
- gf_uuid_copy (local->loc.gfid, local->stbuf.ia_gfid);
+ gf_uuid_copy(local->loc.gfid, local->stbuf.ia_gfid);
- copy = copy_frame (frame);
+ copy = copy_frame(frame);
- if (!copy)
- goto out;
+ if (!copy)
+ goto out;
- copy_local = dht_local_init (copy, &local->loc, NULL, 0);
+ copy_local = dht_local_init(copy, &local->loc, NULL, 0);
- if (!copy_local)
- goto out;
+ if (!copy_local)
+ goto out;
- stbuf = local->stbuf;
- subvol = local->link_subvol;
+ stbuf = local->stbuf;
+ subvol = local->link_subvol;
- copy->local = copy_local;
+ copy->local = copy_local;
- FRAME_SU_DO (copy, dht_local_t);
+ FRAME_SU_DO(copy, dht_local_t);
- STACK_WIND (copy, dht_linkfile_setattr_cbk, subvol,
- subvol->fops->setattr, &copy_local->loc,
- &stbuf, (GF_SET_ATTR_UID | GF_SET_ATTR_GID), xattr);
- ret = 0;
+ STACK_WIND(copy, dht_linkfile_setattr_cbk, subvol, subvol->fops->setattr,
+ &copy_local->loc, &stbuf, (GF_SET_ATTR_UID | GF_SET_ATTR_GID),
+ xattr);
+ ret = 0;
out:
- if ((ret < 0) && (copy))
- DHT_STACK_DESTROY (copy);
+ if ((ret < 0) && (copy))
+ DHT_STACK_DESTROY(copy);
- if (xattr)
- dict_unref (xattr);
+ if (xattr)
+ dict_unref(xattr);
- return ret;
+ return ret;
}
diff --git a/xlators/cluster/dht/src/dht-lock.c b/xlators/cluster/dht/src/dht-lock.c
index 3f389eafa75..638821ccee5 100644
--- a/xlators/cluster/dht/src/dht-lock.c
+++ b/xlators/cluster/dht/src/dht-lock.c
@@ -11,1252 +11,1250 @@
#include "dht-lock.h"
static char *
-dht_lock_asprintf (dht_lock_t *lock)
+dht_lock_asprintf(dht_lock_t *lock)
{
- char *lk_buf = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0, };
+ char *lk_buf = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {
+ 0,
+ };
- if (lock == NULL)
- goto out;
+ if (lock == NULL)
+ goto out;
- uuid_utoa_r (lock->loc.gfid, gfid);
+ uuid_utoa_r(lock->loc.gfid, gfid);
- gf_asprintf (&lk_buf, "%s:%s", lock->xl->name, gfid);
+ gf_asprintf(&lk_buf, "%s:%s", lock->xl->name, gfid);
out:
- return lk_buf;
+ return lk_buf;
}
static void
-dht_log_lk_array (char *name, gf_loglevel_t log_level, dht_lock_t **lk_array,
- int count)
+dht_log_lk_array(char *name, gf_loglevel_t log_level, dht_lock_t **lk_array,
+ int count)
{
- int i = 0;
- char *lk_buf = NULL;
+ int i = 0;
+ char *lk_buf = NULL;
- if ((lk_array == NULL) || (count == 0))
- goto out;
+ if ((lk_array == NULL) || (count == 0))
+ goto out;
- for (i = 0; i < count; i++) {
- lk_buf = dht_lock_asprintf (lk_array[i]);
- if (!lk_buf)
- goto out;
+ for (i = 0; i < count; i++) {
+ lk_buf = dht_lock_asprintf(lk_array[i]);
+ if (!lk_buf)
+ goto out;
- gf_msg (name, log_level, 0, DHT_MSG_LK_ARRAY_INFO,
- "%d. %s", i, lk_buf);
- GF_FREE (lk_buf);
- }
+ gf_smsg(name, log_level, 0, DHT_MSG_LK_ARRAY_INFO, "index=%d", i,
+ "lk_buf=%s", lk_buf, NULL);
+ GF_FREE(lk_buf);
+ }
out:
- return;
+ return;
}
static void
-dht_lock_stack_destroy (call_frame_t *lock_frame, dht_lock_type_t lk)
+dht_lock_stack_destroy(call_frame_t *lock_frame, dht_lock_type_t lk)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = lock_frame->local;
+ local = lock_frame->local;
- if (lk == DHT_INODELK) {
- local->lock[0].layout.my_layout.locks = NULL;
- local->lock[0].layout.my_layout.lk_count = 0;
- } else {
- local->lock[0].ns.directory_ns.locks = NULL;
- local->lock[0].ns.directory_ns.lk_count = 0;
- }
+ if (lk == DHT_INODELK) {
+ local->lock[0].layout.my_layout.locks = NULL;
+ local->lock[0].layout.my_layout.lk_count = 0;
+ } else {
+ local->lock[0].ns.directory_ns.locks = NULL;
+ local->lock[0].ns.directory_ns.lk_count = 0;
+ }
- DHT_STACK_DESTROY (lock_frame);
- return;
+ DHT_STACK_DESTROY(lock_frame);
+ return;
}
static void
-dht_lock_free (dht_lock_t *lock)
+dht_lock_free(dht_lock_t *lock)
{
- if (lock == NULL)
- goto out;
+ if (lock == NULL)
+ goto out;
- loc_wipe (&lock->loc);
- GF_FREE (lock->domain);
- GF_FREE (lock->basename);
- mem_put (lock);
+ loc_wipe(&lock->loc);
+ GF_FREE(lock->domain);
+ GF_FREE(lock->basename);
+ mem_put(lock);
out:
- return;
+ return;
}
static void
-dht_set_lkowner (dht_lock_t **lk_array, int count, gf_lkowner_t *lkowner)
+dht_set_lkowner(dht_lock_t **lk_array, int count, gf_lkowner_t *lkowner)
{
- int i = 0;
+ int i = 0;
- if (!lk_array || !lkowner)
- goto out;
+ if (!lk_array || !lkowner)
+ goto out;
- for (i = 0; i < count; i++) {
- lk_array[i]->lk_owner = *lkowner;
- }
+ for (i = 0; i < count; i++) {
+ lk_array[i]->lk_owner = *lkowner;
+ }
out:
- return;
+ return;
}
static int
-dht_lock_request_cmp (const void *val1, const void *val2)
+dht_lock_request_cmp(const void *val1, const void *val2)
{
- dht_lock_t *lock1 = NULL;
- dht_lock_t *lock2 = NULL;
- int ret = -1;
+ dht_lock_t *lock1 = NULL;
+ dht_lock_t *lock2 = NULL;
+ int ret = -1;
- lock1 = *(dht_lock_t **)val1;
- lock2 = *(dht_lock_t **)val2;
+ lock1 = *(dht_lock_t **)val1;
+ lock2 = *(dht_lock_t **)val2;
- GF_VALIDATE_OR_GOTO ("dht-locks", lock1, out);
- GF_VALIDATE_OR_GOTO ("dht-locks", lock2, out);
+ GF_VALIDATE_OR_GOTO("dht-locks", lock1, out);
+ GF_VALIDATE_OR_GOTO("dht-locks", lock2, out);
- ret = strcmp (lock1->xl->name, lock2->xl->name);
+ ret = strcmp(lock1->xl->name, lock2->xl->name);
- if (ret == 0) {
- ret = gf_uuid_compare (lock1->loc.gfid, lock2->loc.gfid);
- }
+ if (ret == 0) {
+ ret = gf_uuid_compare(lock1->loc.gfid, lock2->loc.gfid);
+ }
out:
- return ret;
+ return ret;
}
static int
-dht_lock_order_requests (dht_lock_t **locks, int count)
+dht_lock_order_requests(dht_lock_t **locks, int count)
{
- int ret = -1;
+ int ret = -1;
- if (!locks || !count)
- goto out;
+ if (!locks || !count)
+ goto out;
- qsort (locks, count, sizeof (*locks), dht_lock_request_cmp);
- ret = 0;
+ qsort(locks, count, sizeof(*locks), dht_lock_request_cmp);
+ ret = 0;
out:
- return ret;
+ return ret;
}
void
-dht_lock_array_free (dht_lock_t **lk_array, int count)
+dht_lock_array_free(dht_lock_t **lk_array, int count)
{
- int i = 0;
- dht_lock_t *lock = NULL;
+ int i = 0;
+ dht_lock_t *lock = NULL;
- if (lk_array == NULL)
- goto out;
+ if (lk_array == NULL)
+ goto out;
- for (i = 0; i < count; i++) {
- lock = lk_array[i];
- lk_array[i] = NULL;
- dht_lock_free (lock);
- }
+ for (i = 0; i < count; i++) {
+ lock = lk_array[i];
+ lk_array[i] = NULL;
+ dht_lock_free(lock);
+ }
out:
- return;
+ return;
}
int32_t
-dht_lock_count (dht_lock_t **lk_array, int lk_count)
+dht_lock_count(dht_lock_t **lk_array, int lk_count)
{
- int i = 0, locked = 0;
+ int i = 0, locked = 0;
- if ((lk_array == NULL) || (lk_count == 0))
- goto out;
+ if ((lk_array == NULL) || (lk_count == 0))
+ goto out;
- for (i = 0; i < lk_count; i++) {
- if (lk_array[i]->locked)
- locked++;
- }
+ for (i = 0; i < lk_count; i++) {
+ if (lk_array[i]->locked)
+ locked++;
+ }
out:
- return locked;
+ return locked;
}
static call_frame_t *
-dht_lock_frame (call_frame_t *parent_frame)
+dht_lock_frame(call_frame_t *parent_frame)
{
- call_frame_t *lock_frame = NULL;
+ call_frame_t *lock_frame = NULL;
- lock_frame = copy_frame (parent_frame);
- if (lock_frame == NULL)
- goto out;
+ lock_frame = copy_frame(parent_frame);
+ if (lock_frame == NULL)
+ goto out;
- set_lk_owner_from_ptr (&lock_frame->root->lk_owner, parent_frame->root);
+ set_lk_owner_from_ptr(&lock_frame->root->lk_owner, parent_frame->root);
out:
- return lock_frame;
+ return lock_frame;
}
dht_lock_t *
-dht_lock_new (xlator_t *this, xlator_t *xl, loc_t *loc, short type,
- const char *domain, const char *basename,
- dht_reaction_type_t do_on_failure)
+dht_lock_new(xlator_t *this, xlator_t *xl, loc_t *loc, short type,
+ const char *domain, const char *basename,
+ dht_reaction_type_t do_on_failure)
{
- dht_conf_t *conf = NULL;
- dht_lock_t *lock = NULL;
-
- conf = this->private;
-
- lock = mem_get0 (conf->lock_pool);
- if (lock == NULL)
- goto out;
-
- lock->xl = xl;
- lock->type = type;
- lock->do_on_failure = do_on_failure;
-
- lock->domain = gf_strdup (domain);
- if (lock->domain == NULL) {
- dht_lock_free (lock);
- lock = NULL;
- goto out;
- }
-
- if (basename) {
- lock->basename = gf_strdup (basename);
- if (lock->basename == NULL) {
- dht_lock_free (lock);
- lock = NULL;
- goto out;
- }
+ dht_conf_t *conf = NULL;
+ dht_lock_t *lock = NULL;
+
+ conf = this->private;
+
+ lock = mem_get0(conf->lock_pool);
+ if (lock == NULL)
+ goto out;
+
+ lock->xl = xl;
+ lock->type = type;
+ lock->do_on_failure = do_on_failure;
+
+ lock->domain = gf_strdup(domain);
+ if (lock->domain == NULL) {
+ dht_lock_free(lock);
+ lock = NULL;
+ goto out;
+ }
+
+ if (basename) {
+ lock->basename = gf_strdup(basename);
+ if (lock->basename == NULL) {
+ dht_lock_free(lock);
+ lock = NULL;
+ goto out;
}
-
- /* Fill only inode and gfid.
- posix and protocol/server give preference to pargfid/basename over
- gfid/inode for resolution if all the three parameters of loc_t are
- present. I want to avoid the following hypothetical situation:
-
- 1. rebalance did a lookup on a dentry and got a gfid.
- 2. rebalance acquires lock on loc_t which was filled with gfid and
- path (pargfid/bname) from step 1.
- 3. somebody deleted and recreated the same file
- 4. rename on the same path acquires lock on loc_t which now points
- to a different inode (and hence gets the lock).
- 5. rebalance continues to migrate file (note that not all fops done
- by rebalance during migration are inode/gfid based Eg., unlink)
- 6. rename continues.
- */
- lock->loc.inode = inode_ref (loc->inode);
- loc_gfid (loc, lock->loc.gfid);
+ }
+
+ /* Fill only inode and gfid.
+ posix and protocol/server give preference to pargfid/basename over
+ gfid/inode for resolution if all the three parameters of loc_t are
+ present. I want to avoid the following hypothetical situation:
+
+ 1. rebalance did a lookup on a dentry and got a gfid.
+ 2. rebalance acquires lock on loc_t which was filled with gfid and
+ path (pargfid/bname) from step 1.
+ 3. somebody deleted and recreated the same file
+ 4. rename on the same path acquires lock on loc_t which now points
+ to a different inode (and hence gets the lock).
+ 5. rebalance continues to migrate file (note that not all fops done
+ by rebalance during migration are inode/gfid based Eg., unlink)
+ 6. rename continues.
+ */
+ lock->loc.inode = inode_ref(loc->inode);
+ loc_gfid(loc, lock->loc.gfid);
out:
- return lock;
+ return lock;
}
static int
-dht_local_entrylk_init (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_entrylk_cbk_t entrylk_cbk)
+dht_local_entrylk_init(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_entrylk_cbk_t entrylk_cbk)
{
- int ret = -1;
- dht_local_t *local = NULL;
+ int ret = -1;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (local == NULL) {
- local = dht_local_init (frame, NULL, NULL, 0);
- }
+ if (local == NULL) {
+ local = dht_local_init(frame, NULL, NULL, 0);
+ }
- if (local == NULL) {
- goto out;
- }
+ if (local == NULL) {
+ goto out;
+ }
- local->lock[0].ns.directory_ns.entrylk_cbk = entrylk_cbk;
- local->lock[0].ns.directory_ns.locks = lk_array;
- local->lock[0].ns.directory_ns.lk_count = lk_count;
+ local->lock[0].ns.directory_ns.entrylk_cbk = entrylk_cbk;
+ local->lock[0].ns.directory_ns.locks = lk_array;
+ local->lock[0].ns.directory_ns.lk_count = lk_count;
- ret = dht_lock_order_requests (local->lock[0].ns.directory_ns.locks,
- local->lock[0].ns.directory_ns.lk_count);
- if (ret < 0)
- goto out;
+ ret = dht_lock_order_requests(local->lock[0].ns.directory_ns.locks,
+ local->lock[0].ns.directory_ns.lk_count);
+ if (ret < 0)
+ goto out;
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
static void
-dht_entrylk_done (call_frame_t *lock_frame)
+dht_entrylk_done(call_frame_t *lock_frame)
{
- fop_entrylk_cbk_t entrylk_cbk = NULL;
- call_frame_t *main_frame = NULL;
- dht_local_t *local = NULL;
+ fop_entrylk_cbk_t entrylk_cbk = NULL;
+ call_frame_t *main_frame = NULL;
+ dht_local_t *local = NULL;
- local = lock_frame->local;
- main_frame = local->main_frame;
+ local = lock_frame->local;
+ main_frame = local->main_frame;
- local->lock[0].ns.directory_ns.locks = NULL;
- local->lock[0].ns.directory_ns.lk_count = 0;
+ local->lock[0].ns.directory_ns.locks = NULL;
+ local->lock[0].ns.directory_ns.lk_count = 0;
- entrylk_cbk = local->lock[0].ns.directory_ns.entrylk_cbk;
- local->lock[0].ns.directory_ns.entrylk_cbk = NULL;
+ entrylk_cbk = local->lock[0].ns.directory_ns.entrylk_cbk;
+ local->lock[0].ns.directory_ns.entrylk_cbk = NULL;
- entrylk_cbk (main_frame, NULL, main_frame->this,
- local->lock[0].ns.directory_ns.op_ret,
- local->lock[0].ns.directory_ns.op_errno, NULL);
+ entrylk_cbk(main_frame, NULL, main_frame->this,
+ local->lock[0].ns.directory_ns.op_ret,
+ local->lock[0].ns.directory_ns.op_errno, NULL);
- dht_lock_stack_destroy (lock_frame, DHT_ENTRYLK);
- return;
+ dht_lock_stack_destroy(lock_frame, DHT_ENTRYLK);
+ return;
}
static int32_t
-dht_unlock_entrylk_done (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_unlock_entrylk_done(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *local = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- local = frame->local;
- gf_uuid_unparse (local->lock[0].ns.directory_ns.locks[0]->loc.inode->gfid, gfid);
+ local = frame->local;
+ gf_uuid_unparse(local->lock[0].ns.directory_ns.locks[0]->loc.inode->gfid,
+ gfid);
- if (op_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "unlock failed on gfid: %s, stale lock might be left "
- "in DHT_LAYOUT_HEAL_DOMAIN", gfid);
- }
+ if (op_ret < 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, op_errno,
+ DHT_MSG_UNLOCK_GFID_FAILED, "gfid=%s", gfid,
+ "DHT_LAYOUT_HEAL_DOMAIN", NULL);
+ }
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
static int32_t
-dht_unlock_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_unlock_entrylk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int lk_index = 0, call_cnt = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *local = NULL;
+ int lk_index = 0, call_cnt = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- lk_index = (long) cookie;
+ lk_index = (long)cookie;
- local = frame->local;
+ local = frame->local;
- uuid_utoa_r (local->lock[0].ns.directory_ns.locks[lk_index]->loc.gfid, gfid);
+ uuid_utoa_r(local->lock[0].ns.directory_ns.locks[lk_index]->loc.gfid, gfid);
- if (op_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_UNLOCKING_FAILED,
- "unlocking failed on %s:%s",
- local->lock[0].ns.directory_ns.locks[lk_index]->xl->name,
- gfid);
- } else {
- local->lock[0].ns.directory_ns.locks[lk_index]->locked = 0;
- }
+ if (op_ret < 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_UNLOCKING_FAILED,
+ "name=%s",
+ local->lock[0].ns.directory_ns.locks[lk_index]->xl->name,
+ "gfid=%s", gfid, NULL);
+ } else {
+ local->lock[0].ns.directory_ns.locks[lk_index]->locked = 0;
+ }
- call_cnt = dht_frame_return (frame);
- if (is_last_call (call_cnt)) {
- dht_entrylk_done (frame);
- }
+ call_cnt = dht_frame_return(frame);
+ if (is_last_call(call_cnt)) {
+ dht_entrylk_done(frame);
+ }
- return 0;
+ return 0;
}
static int32_t
-dht_unlock_entrylk (call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
- fop_entrylk_cbk_t entrylk_cbk)
+dht_unlock_entrylk(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_entrylk_cbk_t entrylk_cbk)
{
- dht_local_t *local = NULL;
- int ret = -1 , i = 0;
- call_frame_t *lock_frame = NULL;
- int call_cnt = 0;
-
- GF_VALIDATE_OR_GOTO ("dht-locks", frame, done);
- GF_VALIDATE_OR_GOTO (frame->this->name, lk_array, done);
- GF_VALIDATE_OR_GOTO (frame->this->name, entrylk_cbk, done);
-
- call_cnt = dht_lock_count (lk_array, lk_count);
- if (call_cnt == 0) {
- ret = 0;
- goto done;
- }
-
- lock_frame = dht_lock_frame (frame);
- if (lock_frame == NULL) {
- gf_msg (frame->this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "cannot allocate a frame, not unlocking following "
- "entrylks:");
-
- dht_log_lk_array (frame->this->name, GF_LOG_WARNING, lk_array,
- lk_count);
- goto done;
- }
+ dht_local_t *local = NULL;
+ int ret = -1, i = 0;
+ call_frame_t *lock_frame = NULL;
+ int call_cnt = 0;
- ret = dht_local_entrylk_init (lock_frame, lk_array, lk_count,
- entrylk_cbk);
- if (ret < 0) {
- gf_msg (frame->this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "storing locks in local failed, not unlocking "
- "following entrylks:");
-
- dht_log_lk_array (frame->this->name, GF_LOG_WARNING, lk_array,
- lk_count);
-
- goto done;
- }
-
- local = lock_frame->local;
- local->main_frame = frame;
- local->call_cnt = call_cnt;
-
- for (i = 0; i < local->lock[0].ns.directory_ns.lk_count; i++) {
- if (!local->lock[0].ns.directory_ns.locks[i]->locked)
- continue;
-
- lock_frame->root->lk_owner = local->lock[0].ns.directory_ns.locks[i]->lk_owner;
- STACK_WIND_COOKIE (lock_frame, dht_unlock_entrylk_cbk,
- (void *)(long)i,
- local->lock[0].ns.directory_ns.locks[i]->xl,
- local->lock[0].ns.directory_ns.locks[i]->xl->fops->entrylk,
- local->lock[0].ns.directory_ns.locks[i]->domain,
- &local->lock[0].ns.directory_ns.locks[i]->loc,
- local->lock[0].ns.directory_ns.locks[i]->basename,
- ENTRYLK_UNLOCK, ENTRYLK_WRLCK, NULL);
- if (!--call_cnt)
- break;
- }
+ GF_VALIDATE_OR_GOTO("dht-locks", frame, done);
+ GF_VALIDATE_OR_GOTO(frame->this->name, lk_array, done);
+ GF_VALIDATE_OR_GOTO(frame->this->name, entrylk_cbk, done);
- return 0;
+ call_cnt = dht_lock_count(lk_array, lk_count);
+ if (call_cnt == 0) {
+ ret = 0;
+ goto done;
+ }
+
+ lock_frame = dht_lock_frame(frame);
+ if (lock_frame == NULL) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_ALLOC_FRAME_FAILED_NOT_UNLOCKING_FOLLOWING_ENTRYLKS,
+ NULL);
+
+ dht_log_lk_array(frame->this->name, GF_LOG_WARNING, lk_array, lk_count);
+ goto done;
+ }
+
+ ret = dht_local_entrylk_init(lock_frame, lk_array, lk_count, entrylk_cbk);
+ if (ret < 0) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_LOCAL_LOCKS_STORE_FAILED_UNLOCKING_FOLLOWING_ENTRYLK,
+ NULL);
+
+ dht_log_lk_array(frame->this->name, GF_LOG_WARNING, lk_array, lk_count);
+
+ goto done;
+ }
+
+ local = lock_frame->local;
+ local->main_frame = frame;
+ local->call_cnt = call_cnt;
+
+ for (i = 0; i < local->lock[0].ns.directory_ns.lk_count; i++) {
+ if (!local->lock[0].ns.directory_ns.locks[i]->locked)
+ continue;
+
+ lock_frame->root
+ ->lk_owner = local->lock[0].ns.directory_ns.locks[i]->lk_owner;
+ STACK_WIND_COOKIE(
+ lock_frame, dht_unlock_entrylk_cbk, (void *)(long)i,
+ local->lock[0].ns.directory_ns.locks[i]->xl,
+ local->lock[0].ns.directory_ns.locks[i]->xl->fops->entrylk,
+ local->lock[0].ns.directory_ns.locks[i]->domain,
+ &local->lock[0].ns.directory_ns.locks[i]->loc,
+ local->lock[0].ns.directory_ns.locks[i]->basename, ENTRYLK_UNLOCK,
+ ENTRYLK_WRLCK, NULL);
+ if (!--call_cnt)
+ break;
+ }
+
+ return 0;
done:
- if (lock_frame)
- dht_lock_stack_destroy (lock_frame, DHT_ENTRYLK);
+ if (lock_frame)
+ dht_lock_stack_destroy(lock_frame, DHT_ENTRYLK);
- /* no locks acquired, invoke entrylk_cbk */
- if (ret == 0)
- entrylk_cbk (frame, NULL, frame->this, 0, 0, NULL);
+ /* no locks acquired, invoke entrylk_cbk */
+ if (ret == 0)
+ entrylk_cbk(frame, NULL, frame->this, 0, 0, NULL);
- return ret;
+ return ret;
}
int32_t
-dht_unlock_entrylk_wrapper (call_frame_t *frame, dht_elock_wrap_t *entrylk)
+dht_unlock_entrylk_wrapper(call_frame_t *frame, dht_elock_wrap_t *entrylk)
{
- dht_local_t *local = NULL, *lock_local = NULL;
- call_frame_t *lock_frame = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- int ret = 0;
-
- local = frame->local;
-
- if (!entrylk || !entrylk->locks)
- goto out;
-
- gf_uuid_unparse (local->loc.parent->gfid, pgfid);
-
- lock_frame = copy_frame (frame);
- if (lock_frame == NULL) {
- gf_msg (frame->this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "copy frame failed", pgfid, local->loc.name,
- local->loc.path);
- goto done;
- }
+ dht_local_t *local = NULL, *lock_local = NULL;
+ call_frame_t *lock_frame = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = 0;
- lock_local = dht_local_init (lock_frame, NULL, NULL, 0);
- if (lock_local == NULL) {
- gf_msg (frame->this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "local creation failed", pgfid, local->loc.name,
- local->loc.path);
- goto done;
- }
+ local = frame->local;
- lock_frame->local = lock_local;
+ if (!entrylk || !entrylk->locks)
+ goto out;
- lock_local->lock[0].ns.directory_ns.locks = entrylk->locks;
- lock_local->lock[0].ns.directory_ns.lk_count = entrylk->lk_count;
- entrylk->locks = NULL;
- entrylk->lk_count = 0;
+ gf_uuid_unparse(local->loc.parent->gfid, pgfid);
+
+ lock_frame = copy_frame(frame);
+ if (lock_frame == NULL) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, ENOMEM,
+ DHT_MSG_COPY_FRAME_FAILED, "pgfid=%s", pgfid, "name=%s",
+ local->loc.name, "path=%s", local->loc.path, NULL);
+ goto done;
+ }
- ret = dht_unlock_entrylk (lock_frame,
- lock_local->lock[0].ns.directory_ns.locks,
- lock_local->lock[0].ns.directory_ns.lk_count,
- dht_unlock_entrylk_done);
- if (ret)
- goto done;
+ lock_local = dht_local_init(lock_frame, NULL, NULL, 0);
+ if (lock_local == NULL) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, ENOMEM,
+ DHT_MSG_CREATE_FAILED, "local", "pgfid=%s", pgfid, "name=%s",
+ local->loc.name, "path=%s", local->loc.path, NULL);
+ goto done;
+ }
- lock_frame = NULL;
+ lock_frame->local = lock_local;
+
+ lock_local->lock[0].ns.directory_ns.locks = entrylk->locks;
+ lock_local->lock[0].ns.directory_ns.lk_count = entrylk->lk_count;
+ entrylk->locks = NULL;
+ entrylk->lk_count = 0;
+
+ ret = dht_unlock_entrylk(
+ lock_frame, lock_local->lock[0].ns.directory_ns.locks,
+ lock_local->lock[0].ns.directory_ns.lk_count, dht_unlock_entrylk_done);
+ if (ret)
+ goto done;
+
+ lock_frame = NULL;
done:
- if (lock_frame != NULL) {
- DHT_STACK_DESTROY (lock_frame);
- }
+ if (lock_frame != NULL) {
+ DHT_STACK_DESTROY(lock_frame);
+ }
out:
- return 0;
+ return 0;
}
static int
-dht_entrylk_cleanup_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xdata)
+dht_entrylk_cleanup_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_entrylk_done (frame);
- return 0;
+ dht_entrylk_done(frame);
+ return 0;
}
static void
-dht_entrylk_cleanup (call_frame_t *lock_frame)
+dht_entrylk_cleanup(call_frame_t *lock_frame)
{
- dht_lock_t **lk_array = NULL;
- int lk_count = 0, lk_acquired = 0;
- dht_local_t *local = NULL;
+ dht_lock_t **lk_array = NULL;
+ int lk_count = 0, lk_acquired = 0;
+ dht_local_t *local = NULL;
- local = lock_frame->local;
+ local = lock_frame->local;
- lk_array = local->lock[0].ns.directory_ns.locks;
- lk_count = local->lock[0].ns.directory_ns.lk_count;
+ lk_array = local->lock[0].ns.directory_ns.locks;
+ lk_count = local->lock[0].ns.directory_ns.lk_count;
- lk_acquired = dht_lock_count (lk_array, lk_count);
- if (lk_acquired != 0) {
- dht_unlock_entrylk (lock_frame, lk_array, lk_count,
- dht_entrylk_cleanup_cbk);
- } else {
- dht_entrylk_done (lock_frame);
- }
+ lk_acquired = dht_lock_count(lk_array, lk_count);
+ if (lk_acquired != 0) {
+ dht_unlock_entrylk(lock_frame, lk_array, lk_count,
+ dht_entrylk_cleanup_cbk);
+ } else {
+ dht_entrylk_done(lock_frame);
+ }
- return;
+ return;
}
-
static int32_t
-dht_blocking_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_blocking_entrylk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- int lk_index = 0;
- int i = 0;
- dht_local_t *local = NULL;
-
- lk_index = (long) cookie;
-
- local = frame->local;
- if (op_ret == 0) {
- local->lock[0].ns.directory_ns.locks[lk_index]->locked = _gf_true;
- } else {
- switch (op_errno) {
- case ESTALE:
- case ENOENT:
- if (local->lock[0].ns.directory_ns.locks[lk_index]->do_on_failure != IGNORE_ENOENT_ESTALE) {
- local->lock[0].ns.directory_ns.op_ret = -1;
- local->lock[0].ns.directory_ns.op_errno = op_errno;
- goto cleanup;
- }
- break;
- default:
- local->lock[0].ns.directory_ns.op_ret = -1;
- local->lock[0].ns.directory_ns.op_errno = op_errno;
- goto cleanup;
+ int lk_index = 0;
+ int i = 0;
+ dht_local_t *local = NULL;
+
+ lk_index = (long)cookie;
+
+ local = frame->local;
+ if (op_ret == 0) {
+ local->lock[0].ns.directory_ns.locks[lk_index]->locked = _gf_true;
+ } else {
+ switch (op_errno) {
+ case ESTALE:
+ case ENOENT:
+ if (local->lock[0]
+ .ns.directory_ns.locks[lk_index]
+ ->do_on_failure != IGNORE_ENOENT_ESTALE) {
+ local->lock[0].ns.directory_ns.op_ret = -1;
+ local->lock[0].ns.directory_ns.op_errno = op_errno;
+ goto cleanup;
}
+ break;
+ default:
+ local->lock[0].ns.directory_ns.op_ret = -1;
+ local->lock[0].ns.directory_ns.op_errno = op_errno;
+ goto cleanup;
}
+ }
- if (lk_index == (local->lock[0].ns.directory_ns.lk_count - 1)) {
- for (i = 0; (i < local->lock[0].ns.directory_ns.lk_count) &&
- (!local->lock[0].ns.directory_ns.locks[i]->locked); i++)
- ;
-
- if (i == local->lock[0].ns.directory_ns.lk_count) {
- local->lock[0].ns.directory_ns.op_ret = -1;
- local->lock[0].ns.directory_ns.op_errno = op_errno;
- }
+ if (lk_index == (local->lock[0].ns.directory_ns.lk_count - 1)) {
+ for (i = 0; (i < local->lock[0].ns.directory_ns.lk_count) &&
+ (!local->lock[0].ns.directory_ns.locks[i]->locked);
+ i++)
+ ;
- dht_entrylk_done (frame);
- } else {
- dht_blocking_entrylk_rec (frame, ++lk_index);
+ if (i == local->lock[0].ns.directory_ns.lk_count) {
+ local->lock[0].ns.directory_ns.op_ret = -1;
+ local->lock[0].ns.directory_ns.op_errno = op_errno;
}
- return 0;
+ dht_entrylk_done(frame);
+ } else {
+ dht_blocking_entrylk_rec(frame, ++lk_index);
+ }
+
+ return 0;
cleanup:
- dht_entrylk_cleanup (frame);
+ dht_entrylk_cleanup(frame);
- return 0;
+ return 0;
}
void
-dht_blocking_entrylk_rec (call_frame_t *frame, int i)
+dht_blocking_entrylk_rec(call_frame_t *frame, int i)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- STACK_WIND_COOKIE (frame, dht_blocking_entrylk_cbk,
- (void *) (long) i,
- local->lock[0].ns.directory_ns.locks[i]->xl,
- local->lock[0].ns.directory_ns.locks[i]->xl->fops->entrylk,
- local->lock[0].ns.directory_ns.locks[i]->domain,
- &local->lock[0].ns.directory_ns.locks[i]->loc,
- local->lock[0].ns.directory_ns.locks[i]->basename,
- ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL);
+ STACK_WIND_COOKIE(
+ frame, dht_blocking_entrylk_cbk, (void *)(long)i,
+ local->lock[0].ns.directory_ns.locks[i]->xl,
+ local->lock[0].ns.directory_ns.locks[i]->xl->fops->entrylk,
+ local->lock[0].ns.directory_ns.locks[i]->domain,
+ &local->lock[0].ns.directory_ns.locks[i]->loc,
+ local->lock[0].ns.directory_ns.locks[i]->basename, ENTRYLK_LOCK,
+ ENTRYLK_WRLCK, NULL);
- return;
+ return;
}
int
-dht_blocking_entrylk (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_entrylk_cbk_t entrylk_cbk)
+dht_blocking_entrylk(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_entrylk_cbk_t entrylk_cbk)
{
- int ret = -1;
- call_frame_t *lock_frame = NULL;
- dht_local_t *local = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht-locks", frame, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, lk_array, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, entrylk_cbk, out);
-
- lock_frame = dht_lock_frame (frame);
- if (lock_frame == NULL)
- goto out;
-
- ret = dht_local_entrylk_init (lock_frame, lk_array, lk_count,
- entrylk_cbk);
- if (ret < 0) {
- goto out;
- }
+ int ret = -1;
+ call_frame_t *lock_frame = NULL;
+ dht_local_t *local = NULL;
+
+ GF_VALIDATE_OR_GOTO("dht-locks", frame, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, lk_array, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, entrylk_cbk, out);
+
+ lock_frame = dht_lock_frame(frame);
+ if (lock_frame == NULL)
+ goto out;
- dht_set_lkowner (lk_array, lk_count, &lock_frame->root->lk_owner);
+ ret = dht_local_entrylk_init(lock_frame, lk_array, lk_count, entrylk_cbk);
+ if (ret < 0) {
+ goto out;
+ }
- local = lock_frame->local;
- local->main_frame = frame;
+ dht_set_lkowner(lk_array, lk_count, &lock_frame->root->lk_owner);
- dht_blocking_entrylk_rec (lock_frame, 0);
+ local = lock_frame->local;
+ local->main_frame = frame;
- return 0;
+ dht_blocking_entrylk_rec(lock_frame, 0);
+
+ return 0;
out:
- if (lock_frame)
- dht_lock_stack_destroy (lock_frame, DHT_ENTRYLK);
+ if (lock_frame)
+ dht_lock_stack_destroy(lock_frame, DHT_ENTRYLK);
- return -1;
+ return -1;
}
static int
-dht_local_inodelk_init (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_inodelk_cbk_t inodelk_cbk)
+dht_local_inodelk_init(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_inodelk_cbk_t inodelk_cbk)
{
- int ret = -1;
- dht_local_t *local = NULL;
+ int ret = -1;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (local == NULL) {
- local = dht_local_init (frame, NULL, NULL, 0);
- }
+ if (local == NULL) {
+ local = dht_local_init(frame, NULL, NULL, 0);
+ }
- if (local == NULL) {
- goto out;
- }
+ if (local == NULL) {
+ goto out;
+ }
- local->lock[0].layout.my_layout.inodelk_cbk = inodelk_cbk;
- local->lock[0].layout.my_layout.locks = lk_array;
- local->lock[0].layout.my_layout.lk_count = lk_count;
+ local->lock[0].layout.my_layout.inodelk_cbk = inodelk_cbk;
+ local->lock[0].layout.my_layout.locks = lk_array;
+ local->lock[0].layout.my_layout.lk_count = lk_count;
- ret = dht_lock_order_requests (local->lock[0].layout.my_layout.locks,
- local->lock[0].layout.my_layout.lk_count);
- if (ret < 0)
- goto out;
+ ret = dht_lock_order_requests(local->lock[0].layout.my_layout.locks,
+ local->lock[0].layout.my_layout.lk_count);
+ if (ret < 0)
+ goto out;
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
static void
-dht_inodelk_done (call_frame_t *lock_frame)
+dht_inodelk_done(call_frame_t *lock_frame)
{
- fop_inodelk_cbk_t inodelk_cbk = NULL;
- call_frame_t *main_frame = NULL;
- dht_local_t *local = NULL;
+ fop_inodelk_cbk_t inodelk_cbk = NULL;
+ call_frame_t *main_frame = NULL;
+ dht_local_t *local = NULL;
- local = lock_frame->local;
- main_frame = local->main_frame;
+ local = lock_frame->local;
+ main_frame = local->main_frame;
- local->lock[0].layout.my_layout.locks = NULL;
- local->lock[0].layout.my_layout.lk_count = 0;
+ local->lock[0].layout.my_layout.locks = NULL;
+ local->lock[0].layout.my_layout.lk_count = 0;
- inodelk_cbk = local->lock[0].layout.my_layout.inodelk_cbk;
- local->lock[0].layout.my_layout.inodelk_cbk = NULL;
+ inodelk_cbk = local->lock[0].layout.my_layout.inodelk_cbk;
+ local->lock[0].layout.my_layout.inodelk_cbk = NULL;
- inodelk_cbk (main_frame, NULL, main_frame->this,
- local->lock[0].layout.my_layout.op_ret,
- local->lock[0].layout.my_layout.op_errno, NULL);
+ inodelk_cbk(main_frame, NULL, main_frame->this,
+ local->lock[0].layout.my_layout.op_ret,
+ local->lock[0].layout.my_layout.op_errno, NULL);
- dht_lock_stack_destroy (lock_frame, DHT_INODELK);
- return;
+ dht_lock_stack_destroy(lock_frame, DHT_INODELK);
+ return;
}
static int32_t
-dht_unlock_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_unlock_inodelk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int lk_index = 0, call_cnt = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- lk_index = (long) cookie;
-
- local = frame->local;
- if (op_ret < 0) {
- uuid_utoa_r (local->lock[0].layout.my_layout.locks[lk_index]->loc.gfid,
- gfid);
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_UNLOCKING_FAILED,
- "unlocking failed on %s:%s",
- local->lock[0].layout.my_layout.locks[lk_index]->xl->name,
- gfid);
- } else {
- local->lock[0].layout.my_layout.locks[lk_index]->locked = 0;
- }
-
- call_cnt = dht_frame_return (frame);
- if (is_last_call (call_cnt)) {
- dht_inodelk_done (frame);
- }
-
- return 0;
+ dht_local_t *local = NULL;
+ int lk_index = 0, call_cnt = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ lk_index = (long)cookie;
+
+ local = frame->local;
+ if (op_ret < 0) {
+ uuid_utoa_r(local->lock[0].layout.my_layout.locks[lk_index]->loc.gfid,
+ gfid);
+
+ gf_smsg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_UNLOCKING_FAILED,
+ "name=%s",
+ local->lock[0].layout.my_layout.locks[lk_index]->xl->name,
+ "gfid=%s", gfid, NULL);
+ } else {
+ local->lock[0].layout.my_layout.locks[lk_index]->locked = 0;
+ }
+
+ call_cnt = dht_frame_return(frame);
+ if (is_last_call(call_cnt)) {
+ dht_inodelk_done(frame);
+ }
+
+ return 0;
}
static int32_t
-dht_unlock_inodelk_done (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_unlock_inodelk_done(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *local = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- local = frame->local;
- gf_uuid_unparse (local->lock[0].layout.my_layout.locks[0]->loc.inode->gfid, gfid);
+ local = frame->local;
+ gf_uuid_unparse(local->lock[0].layout.my_layout.locks[0]->loc.inode->gfid,
+ gfid);
- if (op_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "unlock failed on gfid: %s, stale lock might be left "
- "in DHT_LAYOUT_HEAL_DOMAIN", gfid);
- }
+ if (op_ret < 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, op_errno,
+ DHT_MSG_UNLOCK_GFID_FAILED, "DHT_LAYOUT_HEAL_DOMAIN gfid=%s",
+ gfid, NULL);
+ }
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
int32_t
-dht_unlock_inodelk (call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
- fop_inodelk_cbk_t inodelk_cbk)
+dht_unlock_inodelk(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_inodelk_cbk_t inodelk_cbk)
{
- dht_local_t *local = NULL;
- struct gf_flock flock = {0,};
- int ret = -1 , i = 0;
- call_frame_t *lock_frame = NULL;
- int call_cnt = 0;
-
- GF_VALIDATE_OR_GOTO ("dht-locks", frame, done);
- GF_VALIDATE_OR_GOTO (frame->this->name, lk_array, done);
- GF_VALIDATE_OR_GOTO (frame->this->name, inodelk_cbk, done);
-
- call_cnt = dht_lock_count (lk_array, lk_count);
- if (call_cnt == 0) {
- ret = 0;
- goto done;
- }
-
- lock_frame = dht_lock_frame (frame);
- if (lock_frame == NULL) {
- gf_msg (frame->this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "cannot allocate a frame, not unlocking following "
- "locks:");
-
- dht_log_lk_array (frame->this->name, GF_LOG_WARNING, lk_array,
- lk_count);
- goto done;
- }
-
- ret = dht_local_inodelk_init (lock_frame, lk_array, lk_count,
- inodelk_cbk);
- if (ret < 0) {
- gf_msg (frame->this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "storing locks in local failed, not unlocking "
- "following locks:");
-
- dht_log_lk_array (frame->this->name, GF_LOG_WARNING, lk_array,
- lk_count);
-
- goto done;
- }
-
- local = lock_frame->local;
- local->main_frame = frame;
- local->call_cnt = call_cnt;
-
- flock.l_type = F_UNLCK;
-
- for (i = 0; i < local->lock[0].layout.my_layout.lk_count; i++) {
- if (!local->lock[0].layout.my_layout.locks[i]->locked)
- continue;
-
- lock_frame->root->lk_owner = local->lock[0].layout.my_layout.locks[i]->lk_owner;
- STACK_WIND_COOKIE (lock_frame, dht_unlock_inodelk_cbk,
- (void *)(long)i,
- local->lock[0].layout.my_layout.locks[i]->xl,
- local->lock[0].layout.my_layout.locks[i]->xl->fops->inodelk,
- local->lock[0].layout.my_layout.locks[i]->domain,
- &local->lock[0].layout.my_layout.locks[i]->loc, F_SETLK,
- &flock, NULL);
- if (!--call_cnt)
- break;
- }
-
- return 0;
+ dht_local_t *local = NULL;
+ struct gf_flock flock = {
+ 0,
+ };
+ int ret = -1, i = 0;
+ call_frame_t *lock_frame = NULL;
+ int call_cnt = 0;
+
+ GF_VALIDATE_OR_GOTO("dht-locks", frame, done);
+ GF_VALIDATE_OR_GOTO(frame->this->name, lk_array, done);
+ GF_VALIDATE_OR_GOTO(frame->this->name, inodelk_cbk, done);
+
+ call_cnt = dht_lock_count(lk_array, lk_count);
+ if (call_cnt == 0) {
+ ret = 0;
+ goto done;
+ }
+
+ lock_frame = dht_lock_frame(frame);
+ if (lock_frame == NULL) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_ALLOC_FRAME_FAILED_NOT_UNLOCKING_FOLLOWING_ENTRYLKS,
+ NULL);
+
+ dht_log_lk_array(frame->this->name, GF_LOG_WARNING, lk_array, lk_count);
+ goto done;
+ }
+
+ ret = dht_local_inodelk_init(lock_frame, lk_array, lk_count, inodelk_cbk);
+ if (ret < 0) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_LOCAL_LOCKS_STORE_FAILED_UNLOCKING_FOLLOWING_ENTRYLK,
+ NULL);
+
+ dht_log_lk_array(frame->this->name, GF_LOG_WARNING, lk_array, lk_count);
+
+ goto done;
+ }
+
+ local = lock_frame->local;
+ local->main_frame = frame;
+ local->call_cnt = call_cnt;
+
+ flock.l_type = F_UNLCK;
+
+ for (i = 0; i < local->lock[0].layout.my_layout.lk_count; i++) {
+ if (!local->lock[0].layout.my_layout.locks[i]->locked)
+ continue;
+
+ lock_frame->root
+ ->lk_owner = local->lock[0].layout.my_layout.locks[i]->lk_owner;
+ STACK_WIND_COOKIE(
+ lock_frame, dht_unlock_inodelk_cbk, (void *)(long)i,
+ local->lock[0].layout.my_layout.locks[i]->xl,
+ local->lock[0].layout.my_layout.locks[i]->xl->fops->inodelk,
+ local->lock[0].layout.my_layout.locks[i]->domain,
+ &local->lock[0].layout.my_layout.locks[i]->loc, F_SETLK, &flock,
+ NULL);
+ if (!--call_cnt)
+ break;
+ }
+
+ return 0;
done:
- if (lock_frame)
- dht_lock_stack_destroy (lock_frame, DHT_INODELK);
+ if (lock_frame)
+ dht_lock_stack_destroy(lock_frame, DHT_INODELK);
- /* no locks acquired, invoke inodelk_cbk */
- if (ret == 0)
- inodelk_cbk (frame, NULL, frame->this, 0, 0, NULL);
+ /* no locks acquired, invoke inodelk_cbk */
+ if (ret == 0)
+ inodelk_cbk(frame, NULL, frame->this, 0, 0, NULL);
- return ret;
+ return ret;
}
int32_t
-dht_unlock_inodelk_wrapper (call_frame_t *frame, dht_ilock_wrap_t *inodelk)
+dht_unlock_inodelk_wrapper(call_frame_t *frame, dht_ilock_wrap_t *inodelk)
{
- dht_local_t *local = NULL, *lock_local = NULL;
- call_frame_t *lock_frame = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- int ret = 0;
-
- local = frame->local;
-
- if (!inodelk || !inodelk->locks)
- goto out;
-
- gf_uuid_unparse (local->loc.parent->gfid, pgfid);
-
- lock_frame = copy_frame (frame);
- if (lock_frame == NULL) {
- gf_msg (frame->this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "copy frame failed", pgfid, local->loc.name,
- local->loc.path);
- goto done;
- }
+ dht_local_t *local = NULL, *lock_local = NULL;
+ call_frame_t *lock_frame = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = 0;
- lock_local = dht_local_init (lock_frame, NULL, NULL, 0);
- if (lock_local == NULL) {
- gf_msg (frame->this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- "mkdir (%s/%s) (path: %s): "
- "local creation failed", pgfid, local->loc.name,
- local->loc.path);
- goto done;
- }
+ local = frame->local;
- lock_frame->local = lock_local;
+ if (!inodelk || !inodelk->locks)
+ goto out;
- lock_local->lock[0].layout.my_layout.locks = inodelk->locks;
- lock_local->lock[0].layout.my_layout.lk_count = inodelk->lk_count;
- inodelk->locks = NULL;
- inodelk->lk_count = 0;
+ gf_uuid_unparse(local->loc.parent->gfid, pgfid);
+
+ lock_frame = copy_frame(frame);
+ if (lock_frame == NULL) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, ENOMEM,
+ DHT_MSG_COPY_FRAME_FAILED, "pgfid=%s", pgfid, "name=%s",
+ local->loc.name, "path=%s", local->loc.path, NULL);
+ goto done;
+ }
- ret = dht_unlock_inodelk (lock_frame,
- lock_local->lock[0].layout.my_layout.locks,
- lock_local->lock[0].layout.my_layout.lk_count,
- dht_unlock_inodelk_done);
+ lock_local = dht_local_init(lock_frame, NULL, NULL, 0);
+ if (lock_local == NULL) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, ENOMEM,
+ DHT_MSG_CREATE_FAILED, "local", "gfid=%s", pgfid, "name=%s",
+ local->loc.name, "path=%s", local->loc.path, NULL);
+ goto done;
+ }
- if (ret)
- goto done;
+ lock_frame->local = lock_local;
- lock_frame = NULL;
+ lock_local->lock[0].layout.my_layout.locks = inodelk->locks;
+ lock_local->lock[0].layout.my_layout.lk_count = inodelk->lk_count;
+ inodelk->locks = NULL;
+ inodelk->lk_count = 0;
+
+ ret = dht_unlock_inodelk(
+ lock_frame, lock_local->lock[0].layout.my_layout.locks,
+ lock_local->lock[0].layout.my_layout.lk_count, dht_unlock_inodelk_done);
+
+ if (ret)
+ goto done;
+
+ lock_frame = NULL;
done:
- if (lock_frame != NULL) {
- DHT_STACK_DESTROY (lock_frame);
- }
+ if (lock_frame != NULL) {
+ DHT_STACK_DESTROY(lock_frame);
+ }
out:
- return 0;
+ return 0;
}
static int
-dht_inodelk_cleanup_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xdata)
+dht_inodelk_cleanup_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_inodelk_done (frame);
- return 0;
+ dht_inodelk_done(frame);
+ return 0;
}
static void
-dht_inodelk_cleanup (call_frame_t *lock_frame)
+dht_inodelk_cleanup(call_frame_t *lock_frame)
{
- dht_lock_t **lk_array = NULL;
- int lk_count = 0, lk_acquired = 0;
- dht_local_t *local = NULL;
+ dht_lock_t **lk_array = NULL;
+ int lk_count = 0, lk_acquired = 0;
+ dht_local_t *local = NULL;
- local = lock_frame->local;
+ local = lock_frame->local;
- lk_array = local->lock[0].layout.my_layout.locks;
- lk_count = local->lock[0].layout.my_layout.lk_count;
+ lk_array = local->lock[0].layout.my_layout.locks;
+ lk_count = local->lock[0].layout.my_layout.lk_count;
- lk_acquired = dht_lock_count (lk_array, lk_count);
- if (lk_acquired != 0) {
- dht_unlock_inodelk (lock_frame, lk_array, lk_count,
- dht_inodelk_cleanup_cbk);
- } else {
- dht_inodelk_done (lock_frame);
- }
+ lk_acquired = dht_lock_count(lk_array, lk_count);
+ if (lk_acquired != 0) {
+ dht_unlock_inodelk(lock_frame, lk_array, lk_count,
+ dht_inodelk_cleanup_cbk);
+ } else {
+ dht_inodelk_done(lock_frame);
+ }
- return;
+ return;
}
static int32_t
-dht_nonblocking_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_nonblocking_inodelk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int lk_index = 0, call_cnt = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *local = NULL;
+ int lk_index = 0, call_cnt = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- local = frame->local;
- lk_index = (long) cookie;
+ local = frame->local;
+ lk_index = (long)cookie;
- if (op_ret == -1) {
- local->lock[0].layout.my_layout.op_ret = -1;
- local->lock[0].layout.my_layout.op_errno = op_errno;
+ if (op_ret == -1) {
+ local->lock[0].layout.my_layout.op_ret = -1;
+ local->lock[0].layout.my_layout.op_errno = op_errno;
- if (local && local->lock[0].layout.my_layout.locks[lk_index]) {
- uuid_utoa_r (local->lock[0].layout.my_layout.locks[lk_index]->loc.inode->gfid,
- gfid);
-
- gf_msg_debug (this->name, op_errno,
- "inodelk failed on gfid: %s "
- "subvolume: %s", gfid,
- local->lock[0].layout.my_layout.locks[lk_index]->xl->name);
- }
+ if (local && local->lock[0].layout.my_layout.locks[lk_index]) {
+ uuid_utoa_r(local->lock[0]
+ .layout.my_layout.locks[lk_index]
+ ->loc.inode->gfid,
+ gfid);
- goto out;
+ gf_msg_debug(
+ this->name, op_errno,
+ "inodelk failed on gfid: %s "
+ "subvolume: %s",
+ gfid,
+ local->lock[0].layout.my_layout.locks[lk_index]->xl->name);
}
- local->lock[0].layout.my_layout.locks[lk_index]->locked = _gf_true;
+ goto out;
+ }
-out:
- call_cnt = dht_frame_return (frame);
- if (is_last_call (call_cnt)) {
- if (local->lock[0].layout.my_layout.op_ret < 0) {
- dht_inodelk_cleanup (frame);
- return 0;
- }
+ local->lock[0].layout.my_layout.locks[lk_index]->locked = _gf_true;
- dht_inodelk_done (frame);
+out:
+ call_cnt = dht_frame_return(frame);
+ if (is_last_call(call_cnt)) {
+ if (local->lock[0].layout.my_layout.op_ret < 0) {
+ dht_inodelk_cleanup(frame);
+ return 0;
}
- return 0;
+ dht_inodelk_done(frame);
+ }
+
+ return 0;
}
int
-dht_nonblocking_inodelk (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_inodelk_cbk_t inodelk_cbk)
+dht_nonblocking_inodelk(call_frame_t *frame, dht_lock_t **lk_array,
+ int lk_count, fop_inodelk_cbk_t inodelk_cbk)
{
- struct gf_flock flock = {0,};
- int i = 0, ret = 0;
- dht_local_t *local = NULL;
- call_frame_t *lock_frame = NULL;
-
- GF_VALIDATE_OR_GOTO ("dht-locks", frame, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, lk_array, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, inodelk_cbk, out);
-
- lock_frame = dht_lock_frame (frame);
- if (lock_frame == NULL)
- goto out;
-
- ret = dht_local_inodelk_init (lock_frame, lk_array, lk_count,
- inodelk_cbk);
- if (ret < 0) {
- goto out;
- }
+ struct gf_flock flock = {
+ 0,
+ };
+ int i = 0, ret = 0;
+ dht_local_t *local = NULL;
+ call_frame_t *lock_frame = NULL;
- dht_set_lkowner (lk_array, lk_count, &lock_frame->root->lk_owner);
+ GF_VALIDATE_OR_GOTO("dht-locks", frame, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, lk_array, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, inodelk_cbk, out);
- local = lock_frame->local;
- local->main_frame = frame;
+ lock_frame = dht_lock_frame(frame);
+ if (lock_frame == NULL)
+ goto out;
- local->call_cnt = lk_count;
+ ret = dht_local_inodelk_init(lock_frame, lk_array, lk_count, inodelk_cbk);
+ if (ret < 0) {
+ goto out;
+ }
- for (i = 0; i < lk_count; i++) {
- flock.l_type = local->lock[0].layout.my_layout.locks[i]->type;
+ dht_set_lkowner(lk_array, lk_count, &lock_frame->root->lk_owner);
- STACK_WIND_COOKIE (lock_frame, dht_nonblocking_inodelk_cbk,
- (void *) (long) i,
- local->lock[0].layout.my_layout.locks[i]->xl,
- local->lock[0].layout.my_layout.locks[i]->xl->fops->inodelk,
- local->lock[0].layout.my_layout.locks[i]->domain,
- &local->lock[0].layout.my_layout.locks[i]->loc,
- F_SETLK,
- &flock, NULL);
- }
+ local = lock_frame->local;
+ local->main_frame = frame;
+
+ local->call_cnt = lk_count;
+
+ for (i = 0; i < lk_count; i++) {
+ flock.l_type = local->lock[0].layout.my_layout.locks[i]->type;
+
+ STACK_WIND_COOKIE(
+ lock_frame, dht_nonblocking_inodelk_cbk, (void *)(long)i,
+ local->lock[0].layout.my_layout.locks[i]->xl,
+ local->lock[0].layout.my_layout.locks[i]->xl->fops->inodelk,
+ local->lock[0].layout.my_layout.locks[i]->domain,
+ &local->lock[0].layout.my_layout.locks[i]->loc, F_SETLK, &flock,
+ NULL);
+ }
- return 0;
+ return 0;
out:
- if (lock_frame)
- dht_lock_stack_destroy (lock_frame, DHT_INODELK);
+ if (lock_frame)
+ dht_lock_stack_destroy(lock_frame, DHT_INODELK);
- return -1;
+ return -1;
}
static int32_t
-dht_blocking_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_blocking_inodelk_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- int lk_index = 0;
- int i = 0;
- dht_local_t *local = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0,};
- dht_reaction_type_t reaction = 0;
-
- lk_index = (long) cookie;
-
- local = frame->local;
- if (op_ret == 0) {
- local->lock[0].layout.my_layout.locks[lk_index]->locked = _gf_true;
- } else {
- switch (op_errno) {
- case ESTALE:
- case ENOENT:
- reaction = local->lock[0].layout.my_layout.locks[lk_index]->do_on_failure;
- if ((reaction != IGNORE_ENOENT_ESTALE) &&
- (reaction != IGNORE_ENOENT_ESTALE_EIO)) {
- gf_uuid_unparse (local->lock[0].layout.my_layout.locks[lk_index]->loc.gfid, gfid);
- local->lock[0].layout.my_layout.op_ret = -1;
- local->lock[0].layout.my_layout.op_errno = op_errno;
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_INODELK_FAILED,
- "inodelk failed on subvol %s. gfid:%s",
- local->lock[0].layout.my_layout.locks[lk_index]->xl->name,
- gfid);
- goto cleanup;
- }
- break;
- case EIO:
- reaction = local->lock[0].layout.my_layout.locks[lk_index]->do_on_failure;
- if (reaction != IGNORE_ENOENT_ESTALE_EIO) {
- gf_uuid_unparse (local->lock[0].layout.my_layout.locks[lk_index]->loc.gfid, gfid);
- local->lock[0].layout.my_layout.op_ret = -1;
- local->lock[0].layout.my_layout.op_errno = op_errno;
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_INODELK_FAILED,
- "inodelk failed on subvol %s. gfid:%s",
- local->lock[0].layout.my_layout.locks[lk_index]->xl->name,
- gfid);
- goto cleanup;
- }
- break;
-
- default:
- gf_uuid_unparse (local->lock[0].layout.my_layout.locks[lk_index]->loc.gfid, gfid);
- local->lock[0].layout.my_layout.op_ret = -1;
- local->lock[0].layout.my_layout.op_errno = op_errno;
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_INODELK_FAILED,
- "inodelk failed on subvol %s, gfid:%s",
- local->lock[0].layout.my_layout.locks[lk_index]->xl->name, gfid);
- goto cleanup;
+ int lk_index = 0;
+ int i = 0;
+ dht_local_t *local = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {
+ 0,
+ };
+ dht_reaction_type_t reaction = 0;
+
+ lk_index = (long)cookie;
+
+ local = frame->local;
+ if (op_ret == 0) {
+ local->lock[0].layout.my_layout.locks[lk_index]->locked = _gf_true;
+ } else {
+ switch (op_errno) {
+ case ESTALE:
+ case ENOENT:
+ reaction = local->lock[0]
+ .layout.my_layout.locks[lk_index]
+ ->do_on_failure;
+ if ((reaction != IGNORE_ENOENT_ESTALE) &&
+ (reaction != IGNORE_ENOENT_ESTALE_EIO)) {
+ gf_uuid_unparse(local->lock[0]
+ .layout.my_layout.locks[lk_index]
+ ->loc.gfid,
+ gfid);
+ local->lock[0].layout.my_layout.op_ret = -1;
+ local->lock[0].layout.my_layout.op_errno = op_errno;
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_INODELK_FAILED, "subvol=%s",
+ local->lock[0]
+ .layout.my_layout.locks[lk_index]
+ ->xl->name,
+ "gfid=%s", gfid, NULL);
+ goto cleanup;
}
- }
+ break;
+ case EIO:
+ reaction = local->lock[0]
+ .layout.my_layout.locks[lk_index]
+ ->do_on_failure;
+ if (reaction != IGNORE_ENOENT_ESTALE_EIO) {
+ gf_uuid_unparse(local->lock[0]
+ .layout.my_layout.locks[lk_index]
+ ->loc.gfid,
+ gfid);
+ local->lock[0].layout.my_layout.op_ret = -1;
+ local->lock[0].layout.my_layout.op_errno = op_errno;
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_INODELK_FAILED, "subvol=%s",
+ local->lock[0]
+ .layout.my_layout.locks[lk_index]
+ ->xl->name,
+ "gfid=%s", gfid, NULL);
+ goto cleanup;
+ }
+ break;
- if (lk_index == (local->lock[0].layout.my_layout.lk_count - 1)) {
- for (i = 0; (i < local->lock[0].layout.my_layout.lk_count) &&
- (!local->lock[0].layout.my_layout.locks[i]->locked); i++)
- ;
+ default:
+ gf_uuid_unparse(
+ local->lock[0].layout.my_layout.locks[lk_index]->loc.gfid,
+ gfid);
+ local->lock[0].layout.my_layout.op_ret = -1;
+ local->lock[0].layout.my_layout.op_errno = op_errno;
+ gf_smsg(
+ this->name, GF_LOG_ERROR, op_errno, DHT_MSG_INODELK_FAILED,
+ "subvol=%s",
+ local->lock[0].layout.my_layout.locks[lk_index]->xl->name,
+ "gfid=%s", gfid, NULL);
+ goto cleanup;
+ }
+ }
- if (i == local->lock[0].layout.my_layout.lk_count) {
- local->lock[0].layout.my_layout.op_ret = -1;
- local->lock[0].layout.my_layout.op_errno = op_errno;
- }
+ if (lk_index == (local->lock[0].layout.my_layout.lk_count - 1)) {
+ for (i = 0; (i < local->lock[0].layout.my_layout.lk_count) &&
+ (!local->lock[0].layout.my_layout.locks[i]->locked);
+ i++)
+ ;
- dht_inodelk_done (frame);
- } else {
- dht_blocking_inodelk_rec (frame, ++lk_index);
+ if (i == local->lock[0].layout.my_layout.lk_count) {
+ local->lock[0].layout.my_layout.op_ret = -1;
+ local->lock[0].layout.my_layout.op_errno = op_errno;
}
- return 0;
+ dht_inodelk_done(frame);
+ } else {
+ dht_blocking_inodelk_rec(frame, ++lk_index);
+ }
+
+ return 0;
cleanup:
- dht_inodelk_cleanup (frame);
+ dht_inodelk_cleanup(frame);
- return 0;
+ return 0;
}
void
-dht_blocking_inodelk_rec (call_frame_t *frame, int i)
+dht_blocking_inodelk_rec(call_frame_t *frame, int i)
{
- dht_local_t *local = NULL;
- struct gf_flock flock = {0,};
+ dht_local_t *local = NULL;
+ struct gf_flock flock = {
+ 0,
+ };
- local = frame->local;
+ local = frame->local;
- flock.l_type = local->lock[0].layout.my_layout.locks[i]->type;
+ flock.l_type = local->lock[0].layout.my_layout.locks[i]->type;
- STACK_WIND_COOKIE (frame, dht_blocking_inodelk_cbk,
- (void *) (long) i,
- local->lock[0].layout.my_layout.locks[i]->xl,
- local->lock[0].layout.my_layout.locks[i]->xl->fops->inodelk,
- local->lock[0].layout.my_layout.locks[i]->domain,
- &local->lock[0].layout.my_layout.locks[i]->loc,
- F_SETLKW,
- &flock, NULL);
+ STACK_WIND_COOKIE(
+ frame, dht_blocking_inodelk_cbk, (void *)(long)i,
+ local->lock[0].layout.my_layout.locks[i]->xl,
+ local->lock[0].layout.my_layout.locks[i]->xl->fops->inodelk,
+ local->lock[0].layout.my_layout.locks[i]->domain,
+ &local->lock[0].layout.my_layout.locks[i]->loc, F_SETLKW, &flock, NULL);
- return;
+ return;
}
int
-dht_blocking_inodelk (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_inodelk_cbk_t inodelk_cbk)
+dht_blocking_inodelk(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_inodelk_cbk_t inodelk_cbk)
{
- int ret = -1;
- call_frame_t *lock_frame = NULL;
- dht_local_t *local = NULL;
- dht_local_t *tmp_local = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0,};
-
- GF_VALIDATE_OR_GOTO ("dht-locks", frame, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, lk_array, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, inodelk_cbk, out);
-
- tmp_local = frame->local;
-
- lock_frame = dht_lock_frame (frame);
- if (lock_frame == NULL) {
- gf_uuid_unparse (tmp_local->loc.gfid, gfid);
- gf_msg ("dht", GF_LOG_ERROR, ENOMEM,
- DHT_MSG_LOCK_FRAME_FAILED,
- "memory allocation failed for lock_frame. gfid:%s"
- " path:%s", gfid, tmp_local->loc.path);
- goto out;
- }
-
- ret = dht_local_inodelk_init (lock_frame, lk_array, lk_count,
- inodelk_cbk);
- if (ret < 0) {
- gf_uuid_unparse (tmp_local->loc.gfid, gfid);
- gf_msg ("dht", GF_LOG_ERROR, ENOMEM,
- DHT_MSG_LOCAL_LOCK_INIT_FAILED,
- "dht_local_lock_init failed, gfid: %s path:%s", gfid,
- tmp_local->loc.path);
- goto out;
- }
-
- dht_set_lkowner (lk_array, lk_count, &lock_frame->root->lk_owner);
-
- local = lock_frame->local;
- local->main_frame = frame;
-
- dht_blocking_inodelk_rec (lock_frame, 0);
-
- return 0;
+ int ret = -1;
+ call_frame_t *lock_frame = NULL;
+ dht_local_t *local = NULL;
+ dht_local_t *tmp_local = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {
+ 0,
+ };
+
+ GF_VALIDATE_OR_GOTO("dht-locks", frame, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, lk_array, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, inodelk_cbk, out);
+
+ tmp_local = frame->local;
+
+ lock_frame = dht_lock_frame(frame);
+ if (lock_frame == NULL) {
+ gf_uuid_unparse(tmp_local->loc.gfid, gfid);
+ gf_smsg("dht", GF_LOG_ERROR, ENOMEM, DHT_MSG_LOCK_FRAME_FAILED,
+ "gfid=%s", gfid, "path=%s", tmp_local->loc.path, NULL);
+ goto out;
+ }
+
+ ret = dht_local_inodelk_init(lock_frame, lk_array, lk_count, inodelk_cbk);
+ if (ret < 0) {
+ gf_uuid_unparse(tmp_local->loc.gfid, gfid);
+ gf_smsg("dht", GF_LOG_ERROR, ENOMEM, DHT_MSG_LOCAL_LOCK_INIT_FAILED,
+ "gfid=%s", gfid, "path=%s", tmp_local->loc.path, NULL);
+ goto out;
+ }
+
+ dht_set_lkowner(lk_array, lk_count, &lock_frame->root->lk_owner);
+
+ local = lock_frame->local;
+ local->main_frame = frame;
+
+ dht_blocking_inodelk_rec(lock_frame, 0);
+
+ return 0;
out:
- if (lock_frame)
- dht_lock_stack_destroy (lock_frame, DHT_INODELK);
+ if (lock_frame)
+ dht_lock_stack_destroy(lock_frame, DHT_INODELK);
- return -1;
+ return -1;
}
void
-dht_unlock_namespace (call_frame_t *frame, dht_dir_transaction_t *lock)
+dht_unlock_namespace(call_frame_t *frame, dht_dir_transaction_t *lock)
{
- GF_VALIDATE_OR_GOTO ("dht-locks", frame, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, lock, out);
+ GF_VALIDATE_OR_GOTO("dht-locks", frame, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, lock, out);
- dht_unlock_entrylk_wrapper (frame, &lock->ns.directory_ns);
- dht_unlock_inodelk_wrapper (frame, &lock->ns.parent_layout);
+ dht_unlock_entrylk_wrapper(frame, &lock->ns.directory_ns);
+ dht_unlock_inodelk_wrapper(frame, &lock->ns.parent_layout);
out:
- return;
+ return;
}
static int32_t
-dht_protect_namespace_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_protect_namespace_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
- if (op_ret != 0)
- dht_unlock_inodelk_wrapper (frame,
- &local->current->ns.parent_layout);
+ local = frame->local;
+ if (op_ret != 0)
+ dht_unlock_inodelk_wrapper(frame, &local->current->ns.parent_layout);
- local->current->ns.ns_cbk (frame, cookie, this, op_ret, op_errno,
- xdata);
- return 0;
+ local->current->ns.ns_cbk(frame, cookie, this, op_ret, op_errno, xdata);
+ return 0;
}
int32_t
-dht_blocking_entrylk_after_inodelk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata)
+dht_blocking_entrylk_after_inodelk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int ret = -1;
- loc_t *loc = NULL;
- dht_lock_t **lk_array = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- int count = 0;
- dht_elock_wrap_t *entrylk = NULL;
-
- local = frame->local;
- entrylk = &local->current->ns.directory_ns;
-
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = op_errno;
- goto err;
- }
-
- loc = &entrylk->locks[0]->loc;
- gf_uuid_unparse (loc->gfid, pgfid);
-
- local->op_ret = 0;
- lk_array = entrylk->locks;
- count = entrylk->lk_count;
-
- ret = dht_blocking_entrylk (frame, lk_array, count,
- dht_protect_namespace_cbk);
-
- if (ret < 0) {
- local->op_ret = -1;
- local->op_errno = EIO;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_ENTRYLK_ERROR,
- "%s (%s/%s): "
- "dht_blocking_entrylk failed after taking inodelk",
- gf_fop_list[local->fop], pgfid,
- entrylk->locks[0]->basename);
- goto err;
- }
-
- return 0;
+ dht_local_t *local = NULL;
+ int ret = -1;
+ loc_t *loc = NULL;
+ dht_lock_t **lk_array = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ int count = 0;
+ dht_elock_wrap_t *entrylk = NULL;
+
+ local = frame->local;
+ entrylk = &local->current->ns.directory_ns;
+
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ goto err;
+ }
+
+ loc = &entrylk->locks[0]->loc;
+ gf_uuid_unparse(loc->gfid, pgfid);
+
+ local->op_ret = 0;
+ lk_array = entrylk->locks;
+ count = entrylk->lk_count;
+
+ ret = dht_blocking_entrylk(frame, lk_array, count,
+ dht_protect_namespace_cbk);
+
+ if (ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = EIO;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_ENTRYLK_FAILED_AFT_INODELK, "fop=%s",
+ gf_fop_list[local->fop], "pgfid=%s", pgfid, "basename=%s",
+ entrylk->locks[0]->basename, NULL);
+ goto err;
+ }
+
+ return 0;
err:
- if (lk_array != NULL) {
- dht_lock_array_free (lk_array, count);
- GF_FREE (lk_array);
- entrylk->locks = NULL;
- entrylk->lk_count = 0;
- }
-
- /* Unlock inodelk. No harm calling unlock twice */
- dht_unlock_inodelk_wrapper (frame, &local->current->ns.parent_layout);
- /* Call ns_cbk. It will take care of unwinding */
- local->current->ns.ns_cbk (frame, NULL, this, local->op_ret,
- local->op_errno, NULL);
- return 0;
+ if (lk_array != NULL) {
+ dht_lock_array_free(lk_array, count);
+ GF_FREE(lk_array);
+ entrylk->locks = NULL;
+ entrylk->lk_count = 0;
+ }
+
+ /* Unlock inodelk. No harm calling unlock twice */
+ dht_unlock_inodelk_wrapper(frame, &local->current->ns.parent_layout);
+ /* Call ns_cbk. It will take care of unwinding */
+ local->current->ns.ns_cbk(frame, NULL, this, local->op_ret, local->op_errno,
+ NULL);
+ return 0;
}
/* Given the loc and the subvol, this routine takes the inodelk on
@@ -1265,137 +1263,130 @@ err:
* and then entrylk serially.
*/
int
-dht_protect_namespace (call_frame_t *frame, loc_t *loc,
- xlator_t *subvol,
- struct dht_namespace *ns,
- fop_entrylk_cbk_t ns_cbk)
+dht_protect_namespace(call_frame_t *frame, loc_t *loc, xlator_t *subvol,
+ struct dht_namespace *ns, fop_entrylk_cbk_t ns_cbk)
{
- dht_ilock_wrap_t *inodelk = NULL;
- dht_elock_wrap_t *entrylk = NULL;
- dht_lock_t **lk_array = NULL;
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- loc_t parent = {0,};
- int ret = -1;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- int32_t op_errno = 0;
- int count = 1;
-
- GF_VALIDATE_OR_GOTO ("dht-locks", frame, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, loc, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, loc->parent, out);
- GF_VALIDATE_OR_GOTO (frame->this->name, subvol, out);
-
- local = frame->local;
- this = frame->this;
-
- inodelk = &ns->parent_layout;
- entrylk = &ns->directory_ns;
-
- /* Initialize entrylk_cbk and parent loc */
- ns->ns_cbk = ns_cbk;
-
- ret = dht_build_parent_loc (this, &parent, loc, &op_errno);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_LOC_FAILED, "gfid:%s (name:%s) (path: %s): "
- "parent loc build failed", loc->gfid, loc->name,
- loc->path);
- goto out;
- }
- gf_uuid_unparse (parent.gfid, pgfid);
-
- /* Alloc inodelk */
- inodelk->locks = GF_CALLOC (count, sizeof (*lk_array),
- gf_common_mt_pointer);
- if (inodelk->locks == NULL) {
- local->op_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_NO_MEMORY,
- "%s (%s/%s) (path: %s): "
- "calloc failure",
- gf_fop_list[local->fop], pgfid, loc->name, loc->path);
- goto out;
- }
-
- inodelk->locks[0] = dht_lock_new (this, subvol, &parent, F_RDLCK,
- DHT_LAYOUT_HEAL_DOMAIN, NULL,
- FAIL_ON_ANY_ERROR);
- if (inodelk->locks[0] == NULL) {
- local->op_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_NO_MEMORY,
- "%s (%s/%s) (path: %s): "
- "inodelk: lock allocation failed",
- gf_fop_list[local->fop], pgfid, loc->name, loc->path);
- goto err;
- }
- inodelk->lk_count = count;
-
- /* Allock entrylk */
- entrylk->locks = GF_CALLOC (count, sizeof (*lk_array),
- gf_common_mt_pointer);
- if (entrylk->locks == NULL) {
- local->op_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_NO_MEMORY,
- "%s (%s/%s) (path: %s): "
- "entrylk: calloc failure",
- gf_fop_list[local->fop], pgfid, loc->name, loc->path);
-
- goto err;
- }
-
- entrylk->locks[0] = dht_lock_new (this, subvol, &parent, F_WRLCK,
- DHT_ENTRY_SYNC_DOMAIN, loc->name,
- FAIL_ON_ANY_ERROR);
- if (entrylk->locks[0] == NULL) {
- local->op_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_NO_MEMORY,
- "%s (%s/%s) (path: %s): "
- "entrylk: lock allocation failed",
- gf_fop_list[local->fop], pgfid, loc->name, loc->path);
-
- goto err;
- }
- entrylk->lk_count = count;
-
- /* Take read inodelk on parent. If it is successful, take write entrylk
- * on name in cbk.
- */
- lk_array = inodelk->locks;
- ret = dht_blocking_inodelk (frame, lk_array, count,
- dht_blocking_entrylk_after_inodelk);
- if (ret < 0) {
- local->op_errno = EIO;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_INODELK_ERROR,
- "%s (%s/%s) (path: %s): "
- "dht_blocking_inodelk failed",
- gf_fop_list[local->fop], pgfid, loc->name, loc->path);
- goto err;
- }
-
- loc_wipe (&parent);
-
- return 0;
+ dht_ilock_wrap_t *inodelk = NULL;
+ dht_elock_wrap_t *entrylk = NULL;
+ dht_lock_t **lk_array = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ loc_t parent = {
+ 0,
+ };
+ int ret = -1;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ int32_t op_errno = 0;
+ int count = 1;
+
+ GF_VALIDATE_OR_GOTO("dht-locks", frame, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, loc, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, loc->parent, out);
+ GF_VALIDATE_OR_GOTO(frame->this->name, subvol, out);
+
+ local = frame->local;
+ this = frame->this;
+
+ inodelk = &ns->parent_layout;
+ entrylk = &ns->directory_ns;
+
+ /* Initialize entrylk_cbk and parent loc */
+ ns->ns_cbk = ns_cbk;
+
+ ret = dht_build_parent_loc(this, &parent, loc, &op_errno);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno, DHT_MSG_LOC_FAILED,
+ "gfid=%s", loc->gfid, "name=%s", loc->name, "path=%s",
+ loc->path, NULL);
+ goto out;
+ }
+ gf_uuid_unparse(parent.gfid, pgfid);
+
+ /* Alloc inodelk */
+ inodelk->locks = GF_CALLOC(count, sizeof(*lk_array), gf_common_mt_pointer);
+ if (inodelk->locks == NULL) {
+ local->op_errno = ENOMEM;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_CALLOC_FAILED, "fop=%s", gf_fop_list[local->fop],
+ "pgfid=%s", pgfid, "name=%s", loc->name, "path=%s", loc->path,
+ NULL);
+ goto out;
+ }
+
+ inodelk->locks[0] = dht_lock_new(this, subvol, &parent, F_RDLCK,
+ DHT_LAYOUT_HEAL_DOMAIN, NULL,
+ FAIL_ON_ANY_ERROR);
+ if (inodelk->locks[0] == NULL) {
+ local->op_errno = ENOMEM;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_LOCK_ALLOC_FAILED, "inodelk-fop=%s",
+ gf_fop_list[local->fop], "pgfid=%s", pgfid, "name=%s",
+ loc->name, "path=%s", loc->path, NULL);
+ goto err;
+ }
+ inodelk->lk_count = count;
+
+ /* Allock entrylk */
+ entrylk->locks = GF_CALLOC(count, sizeof(*lk_array), gf_common_mt_pointer);
+ if (entrylk->locks == NULL) {
+ local->op_errno = ENOMEM;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_CALLOC_FAILED, "entrylk-fop=%s",
+ gf_fop_list[local->fop], "pgfid=%s", pgfid, "name=%s",
+ loc->name, "path=%s", loc->path, NULL);
+
+ goto err;
+ }
+
+ entrylk->locks[0] = dht_lock_new(this, subvol, &parent, F_WRLCK,
+ DHT_ENTRY_SYNC_DOMAIN, loc->name,
+ FAIL_ON_ANY_ERROR);
+ if (entrylk->locks[0] == NULL) {
+ local->op_errno = ENOMEM;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_LOCK_ALLOC_FAILED, "entrylk-fop=%s",
+ gf_fop_list[local->fop], "pgfid=%s", pgfid, "name=%s",
+ loc->name, "path=%s", loc->path, NULL);
+
+ goto err;
+ }
+ entrylk->lk_count = count;
+
+ /* Take read inodelk on parent. If it is successful, take write entrylk
+ * on name in cbk.
+ */
+ lk_array = inodelk->locks;
+ ret = dht_blocking_inodelk(frame, lk_array, count,
+ dht_blocking_entrylk_after_inodelk);
+ if (ret < 0) {
+ local->op_errno = EIO;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_BLOCK_INODELK_FAILED, "fop=%s", gf_fop_list[local->fop],
+ "pgfid=%s", pgfid, "name=%s", loc->name, "path=%s", loc->path,
+ NULL);
+
+ goto err;
+ }
+
+ loc_wipe(&parent);
+
+ return 0;
err:
- if (entrylk->locks != NULL) {
- dht_lock_array_free (entrylk->locks, count);
- GF_FREE (entrylk->locks);
- entrylk->locks = NULL;
- entrylk->lk_count = 0;
- }
+ if (entrylk->locks != NULL) {
+ dht_lock_array_free(entrylk->locks, count);
+ GF_FREE(entrylk->locks);
+ entrylk->locks = NULL;
+ entrylk->lk_count = 0;
+ }
- if (inodelk->locks != NULL) {
- dht_lock_array_free (inodelk->locks, count);
- GF_FREE (inodelk->locks);
- inodelk->locks = NULL;
- inodelk->lk_count = 0;
- }
+ if (inodelk->locks != NULL) {
+ dht_lock_array_free(inodelk->locks, count);
+ GF_FREE(inodelk->locks);
+ inodelk->locks = NULL;
+ inodelk->lk_count = 0;
+ }
- loc_wipe (&parent);
+ loc_wipe(&parent);
out:
- return -1;
+ return -1;
}
diff --git a/xlators/cluster/dht/src/dht-lock.h b/xlators/cluster/dht/src/dht-lock.h
index f36bf3fd685..6485c03fb6e 100644
--- a/xlators/cluster/dht/src/dht-lock.h
+++ b/xlators/cluster/dht/src/dht-lock.h
@@ -11,36 +11,35 @@
#ifndef _DHT_LOCK_H
#define _DHT_LOCK_H
-#include "xlator.h"
#include "dht-common.h"
void
-dht_lock_array_free (dht_lock_t **lk_array, int count);
+dht_lock_array_free(dht_lock_t **lk_array, int count);
int32_t
-dht_lock_count (dht_lock_t **lk_array, int lk_count);
+dht_lock_count(dht_lock_t **lk_array, int lk_count);
dht_lock_t *
-dht_lock_new (xlator_t *this, xlator_t *xl, loc_t *loc, short type,
- const char *domain, const char *basename,
- dht_reaction_type_t do_on_failure);
+dht_lock_new(xlator_t *this, xlator_t *xl, loc_t *loc, short type,
+ const char *domain, const char *basename,
+ dht_reaction_type_t do_on_failure);
int32_t
-dht_unlock_entrylk_wrapper (call_frame_t *, dht_elock_wrap_t *);
+dht_unlock_entrylk_wrapper(call_frame_t *, dht_elock_wrap_t *);
void
-dht_blocking_entrylk_rec (call_frame_t *frame, int i);
+dht_blocking_entrylk_rec(call_frame_t *frame, int i);
int
-dht_blocking_entrylk (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_inodelk_cbk_t entrylk_cbk);
+dht_blocking_entrylk(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_inodelk_cbk_t entrylk_cbk);
int32_t
-dht_unlock_inodelk (call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
- fop_inodelk_cbk_t inodelk_cbk);
+dht_unlock_inodelk(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_inodelk_cbk_t inodelk_cbk);
int32_t
-dht_unlock_inodelk_wrapper (call_frame_t *, dht_ilock_wrap_t *);
+dht_unlock_inodelk_wrapper(call_frame_t *, dht_ilock_wrap_t *);
/* Acquire non-blocking inodelk on a list of xlators.
*
@@ -57,11 +56,11 @@ dht_unlock_inodelk_wrapper (call_frame_t *, dht_ilock_wrap_t *);
*/
int
-dht_nonblocking_inodelk (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_inodelk_cbk_t inodelk_cbk);
+dht_nonblocking_inodelk(call_frame_t *frame, dht_lock_t **lk_array,
+ int lk_count, fop_inodelk_cbk_t inodelk_cbk);
void
-dht_blocking_inodelk_rec (call_frame_t *frame, int i);
+dht_blocking_inodelk_rec(call_frame_t *frame, int i);
/* same as dht_nonblocking_inodelk, but issues sequential blocking locks on
* @lk_array directly. locks are issued on some order which remains same
@@ -69,25 +68,24 @@ dht_blocking_inodelk_rec (call_frame_t *frame, int i);
*/
int
-dht_blocking_inodelk (call_frame_t *frame, dht_lock_t **lk_array,
- int lk_count, fop_inodelk_cbk_t inodelk_cbk);
+dht_blocking_inodelk(call_frame_t *frame, dht_lock_t **lk_array, int lk_count,
+ fop_inodelk_cbk_t inodelk_cbk);
int32_t
-dht_blocking_entrylk_after_inodelk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata);
+dht_blocking_entrylk_after_inodelk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata);
int32_t
-dht_blocking_entrylk_after_inodelk_rename (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata);
+dht_blocking_entrylk_after_inodelk_rename(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata);
void
-dht_unlock_namespace (call_frame_t *, dht_dir_transaction_t *);
+dht_unlock_namespace(call_frame_t *, dht_dir_transaction_t *);
int
-dht_protect_namespace (call_frame_t *frame, loc_t *loc, xlator_t *subvol,
- struct dht_namespace *ns,
- fop_entrylk_cbk_t ns_cbk);
+dht_protect_namespace(call_frame_t *frame, loc_t *loc, xlator_t *subvol,
+ struct dht_namespace *ns, fop_entrylk_cbk_t ns_cbk);
-#endif /* _DHT_LOCK_H */
+#endif /* _DHT_LOCK_H */
diff --git a/xlators/cluster/dht/src/dht-mem-types.h b/xlators/cluster/dht/src/dht-mem-types.h
index 19cccef537b..e3c4471334a 100644
--- a/xlators/cluster/dht/src/dht-mem-types.h
+++ b/xlators/cluster/dht/src/dht-mem-types.h
@@ -8,38 +8,31 @@
cases as published by the Free Software Foundation.
*/
-
#ifndef __DHT_MEM_TYPES_H__
#define __DHT_MEM_TYPES_H__
-#include "mem-types.h"
+#include <glusterfs/mem-types.h>
enum gf_dht_mem_types_ {
- gf_dht_mt_dht_du_t = gf_common_mt_end + 1,
- gf_dht_mt_dht_conf_t,
- gf_dht_mt_char,
- gf_dht_mt_int32_t,
- gf_dht_mt_xlator_t,
- gf_dht_mt_dht_layout_t,
- gf_switch_mt_dht_conf_t,
- gf_switch_mt_dht_du_t,
- gf_switch_mt_switch_sched_array,
- gf_switch_mt_switch_struct,
- gf_dht_mt_subvol_time,
- gf_dht_mt_loc_t,
- gf_defrag_info_mt,
- gf_dht_mt_inode_ctx_t,
- gf_dht_mt_ctx_stat_time_t,
- gf_dht_mt_dirent_t,
- gf_dht_mt_container_t,
- gf_dht_mt_octx_t,
- gf_dht_mt_miginfo_t,
- gf_tier_mt_bricklist_t,
- gf_tier_mt_ipc_ctr_params_t,
- gf_dht_mt_fd_ctx_t,
- gf_tier_mt_qfile_array_t,
- gf_dht_ret_cache_t,
- gf_dht_nodeuuids_t,
- gf_dht_mt_end
+ gf_dht_mt_dht_du_t = gf_common_mt_end + 1,
+ gf_dht_mt_dht_conf_t,
+ gf_dht_mt_char,
+ gf_dht_mt_int32_t,
+ gf_dht_mt_xlator_t,
+ gf_dht_mt_dht_layout_t,
+ gf_switch_mt_switch_sched_array,
+ gf_switch_mt_switch_struct,
+ gf_dht_mt_subvol_time,
+ gf_dht_mt_loc_t,
+ gf_defrag_info_mt,
+ gf_dht_mt_inode_ctx_t,
+ gf_dht_mt_dirent_t,
+ gf_dht_mt_container_t,
+ gf_dht_mt_octx_t,
+ gf_dht_mt_miginfo_t,
+ gf_dht_mt_fd_ctx_t,
+ gf_dht_ret_cache_t,
+ gf_dht_nodeuuids_t,
+ gf_dht_mt_end
};
#endif
diff --git a/xlators/cluster/dht/src/dht-messages.h b/xlators/cluster/dht/src/dht-messages.h
index bdea5a092b7..601f8dad78b 100644
--- a/xlators/cluster/dht/src/dht-messages.h
+++ b/xlators/cluster/dht/src/dht-messages.h
@@ -10,7 +10,7 @@
#ifndef _DHT_MESSAGES_H_
#define _DHT_MESSAGES_H_
-#include "glfs-message-id.h"
+#include <glusterfs/glfs-message-id.h>
/* To add new message IDs, append new identifiers at the end of the list.
*
@@ -22,136 +22,365 @@
* glfs-message-id.h.
*/
-GLFS_MSGID(DHT,
- DHT_MSG_CACHED_SUBVOL_GET_FAILED,
- DHT_MSG_CREATE_LINK_FAILED,
- DHT_MSG_DICT_SET_FAILED,
- DHT_MSG_DIR_ATTR_HEAL_FAILED,
- DHT_MSG_DIR_SELFHEAL_FAILED,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- DHT_MSG_FILE_ON_MULT_SUBVOL,
- DHT_MSG_FILE_TYPE_MISMATCH,
- DHT_MSG_GFID_MISMATCH,
- DHT_MSG_GFID_NULL,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- DHT_MSG_INIT_FAILED,
- DHT_MSG_INVALID_CONFIGURATION,
- DHT_MSG_INVALID_DISK_LAYOUT,
- DHT_MSG_INVALID_OPTION,
- DHT_MSG_LAYOUT_FIX_FAILED,
- DHT_MSG_LAYOUT_MERGE_FAILED,
- DHT_MSG_LAYOUT_MISMATCH,
- DHT_MSG_LAYOUT_NULL,
- DHT_MSG_MIGRATE_DATA_COMPLETE,
- DHT_MSG_MIGRATE_DATA_FAILED,
- DHT_MSG_MIGRATE_FILE_COMPLETE,
- DHT_MSG_MIGRATE_FILE_FAILED,
- DHT_MSG_NO_MEMORY,
- DHT_MSG_OPENDIR_FAILED,
- DHT_MSG_REBALANCE_FAILED,
- DHT_MSG_REBALANCE_START_FAILED,
- DHT_MSG_REBALANCE_STATUS,
- DHT_MSG_REBALANCE_STOPPED,
- DHT_MSG_RENAME_FAILED,
- DHT_MSG_SETATTR_FAILED,
- DHT_MSG_SUBVOL_INSUFF_INODES,
- DHT_MSG_SUBVOL_INSUFF_SPACE,
- DHT_MSG_UNLINK_FAILED,
- DHT_MSG_LAYOUT_SET_FAILED,
- DHT_MSG_LOG_FIXED_LAYOUT,
- DHT_MSG_LOG_TIER_ERROR,
- DHT_MSG_LOG_TIER_STATUS,
- DHT_MSG_GET_XATTR_FAILED,
- DHT_MSG_FILE_LOOKUP_FAILED,
- DHT_MSG_OPEN_FD_FAILED,
- DHT_MSG_SET_INODE_CTX_FAILED,
- DHT_MSG_UNLOCKING_FAILED,
- DHT_MSG_DISK_LAYOUT_NULL,
- DHT_MSG_SUBVOL_INFO,
- DHT_MSG_CHUNK_SIZE_INFO,
- DHT_MSG_LAYOUT_FORM_FAILED,
- DHT_MSG_SUBVOL_ERROR,
- DHT_MSG_LAYOUT_SORT_FAILED,
- DHT_MSG_REGEX_INFO,
- DHT_MSG_FOPEN_FAILED,
- DHT_MSG_SET_HOSTNAME_FAILED,
- DHT_MSG_BRICK_ERROR,
- DHT_MSG_SYNCOP_FAILED,
- DHT_MSG_MIGRATE_INFO,
- DHT_MSG_SOCKET_ERROR,
- DHT_MSG_CREATE_FD_FAILED,
- DHT_MSG_READDIR_ERROR,
- DHT_MSG_CHILD_LOC_BUILD_FAILED,
- DHT_MSG_SET_SWITCH_PATTERN_ERROR,
- DHT_MSG_COMPUTE_HASH_FAILED,
- DHT_MSG_FIND_LAYOUT_ANOMALIES_ERROR,
- DHT_MSG_ANOMALIES_INFO,
- DHT_MSG_LAYOUT_INFO,
- DHT_MSG_INODE_LK_ERROR,
- DHT_MSG_RENAME_INFO,
- DHT_MSG_DATA_NULL,
- DHT_MSG_AGGREGATE_QUOTA_XATTR_FAILED,
- DHT_MSG_UNLINK_LOOKUP_INFO,
- DHT_MSG_LINK_FILE_LOOKUP_INFO,
- DHT_MSG_OPERATION_NOT_SUP,
- DHT_MSG_NOT_LINK_FILE_ERROR,
- DHT_MSG_CHILD_DOWN,
- DHT_MSG_UUID_PARSE_ERROR,
- DHT_MSG_GET_DISK_INFO_ERROR,
- DHT_MSG_INVALID_VALUE,
- DHT_MSG_SWITCH_PATTERN_INFO,
- DHT_MSG_SUBVOL_OP_FAILED,
- DHT_MSG_LAYOUT_PRESET_FAILED,
- DHT_MSG_INVALID_LINKFILE,
- DHT_MSG_FIX_LAYOUT_INFO,
- DHT_MSG_GET_HOSTNAME_FAILED,
- DHT_MSG_WRITE_FAILED,
- DHT_MSG_MIGRATE_HARDLINK_FILE_FAILED,
- DHT_MSG_FSYNC_FAILED,
- DHT_MSG_SUBVOL_DECOMMISSION_INFO,
- DHT_MSG_BRICK_QUERY_FAILED,
- DHT_MSG_SUBVOL_NO_LAYOUT_INFO,
- DHT_MSG_OPEN_FD_ON_DST_FAILED,
- DHT_MSG_SUBVOL_NOT_FOUND,
- DHT_MSG_FILE_LOOKUP_ON_DST_FAILED,
- DHT_MSG_DISK_LAYOUT_MISSING,
- DHT_MSG_DICT_GET_FAILED,
- DHT_MSG_REVALIDATE_CBK_INFO,
- DHT_MSG_UPGRADE_BRICKS,
- DHT_MSG_LK_ARRAY_INFO,
- DHT_MSG_RENAME_NOT_LOCAL,
- DHT_MSG_RECONFIGURE_INFO,
- DHT_MSG_INIT_LOCAL_SUBVOL_FAILED,
- DHT_MSG_SYS_CALL_GET_TIME_FAILED,
- DHT_MSG_NO_DISK_USAGE_STATUS,
- DHT_MSG_SUBVOL_DOWN_ERROR,
- DHT_MSG_REBAL_THROTTLE_INFO,
- DHT_MSG_COMMIT_HASH_INFO,
- DHT_MSG_REBAL_STRUCT_SET,
- DHT_MSG_HAS_MIGINFO,
- DHT_MSG_LOG_IPC_TIER_ERROR,
- DHT_MSG_TIER_PAUSED,
- DHT_MSG_TIER_RESUME,
- DHT_MSG_SETTLE_HASH_FAILED,
- DHT_MSG_DEFRAG_PROCESS_DIR_FAILED,
- DHT_MSG_FD_CTX_SET_FAILED,
- DHT_MSG_STALE_LOOKUP,
- DHT_MSG_PARENT_LAYOUT_CHANGED,
- DHT_MSG_LOCK_MIGRATION_FAILED,
- DHT_MSG_LOCK_INODE_UNREF_FAILED,
- DHT_MSG_ASPRINTF_FAILED,
- DHT_MSG_DIR_LOOKUP_FAILED,
- DHT_MSG_INODELK_FAILED,
- DHT_MSG_LOCK_FRAME_FAILED,
- DHT_MSG_LOCAL_LOCK_INIT_FAILED,
- DHT_MSG_ENTRYLK_ERROR,
- DHT_MSG_INODELK_ERROR,
- DHT_MSG_LOC_FAILED,
- DHT_MSG_UNKNOWN_FOP,
- DHT_MSG_MIGRATE_FILE_SKIPPED,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- DHT_MSG_HASHED_SUBVOL_DOWN,
- DHT_MSG_NON_HASHED_SUBVOL_DOWN
-);
+GLFS_MSGID(
+ DHT, DHT_MSG_CACHED_SUBVOL_GET_FAILED, DHT_MSG_CREATE_LINK_FAILED,
+ DHT_MSG_DICT_SET_FAILED, DHT_MSG_DIR_ATTR_HEAL_FAILED,
+ DHT_MSG_DIR_SELFHEAL_FAILED, DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
+ DHT_MSG_FILE_ON_MULT_SUBVOL, DHT_MSG_FILE_TYPE_MISMATCH,
+ DHT_MSG_GFID_MISMATCH, DHT_MSG_GFID_NULL, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ DHT_MSG_INIT_FAILED, DHT_MSG_INVALID_CONFIGURATION,
+ DHT_MSG_INVALID_DISK_LAYOUT, DHT_MSG_INVALID_OPTION,
+ DHT_MSG_LAYOUT_FIX_FAILED, DHT_MSG_LAYOUT_MERGE_FAILED,
+ DHT_MSG_LAYOUT_MISMATCH, DHT_MSG_LAYOUT_NULL, DHT_MSG_MIGRATE_DATA_COMPLETE,
+ DHT_MSG_MIGRATE_DATA_FAILED, DHT_MSG_MIGRATE_FILE_COMPLETE,
+ DHT_MSG_MIGRATE_FILE_FAILED, DHT_MSG_NO_MEMORY, DHT_MSG_OPENDIR_FAILED,
+ DHT_MSG_REBALANCE_FAILED, DHT_MSG_REBALANCE_START_FAILED,
+ DHT_MSG_REBALANCE_STATUS, DHT_MSG_REBALANCE_STOPPED, DHT_MSG_RENAME_FAILED,
+ DHT_MSG_SETATTR_FAILED, DHT_MSG_SUBVOL_INSUFF_INODES,
+ DHT_MSG_SUBVOL_INSUFF_SPACE, DHT_MSG_UNLINK_FAILED,
+ DHT_MSG_LAYOUT_SET_FAILED, DHT_MSG_LOG_FIXED_LAYOUT,
+ DHT_MSG_GET_XATTR_FAILED, DHT_MSG_FILE_LOOKUP_FAILED,
+ DHT_MSG_OPEN_FD_FAILED, DHT_MSG_SET_INODE_CTX_FAILED,
+ DHT_MSG_UNLOCKING_FAILED, DHT_MSG_DISK_LAYOUT_NULL, DHT_MSG_SUBVOL_INFO,
+ DHT_MSG_CHUNK_SIZE_INFO, DHT_MSG_LAYOUT_FORM_FAILED, DHT_MSG_SUBVOL_ERROR,
+ DHT_MSG_LAYOUT_SORT_FAILED, DHT_MSG_REGEX_INFO, DHT_MSG_FOPEN_FAILED,
+ DHT_MSG_SET_HOSTNAME_FAILED, DHT_MSG_BRICK_ERROR, DHT_MSG_SYNCOP_FAILED,
+ DHT_MSG_MIGRATE_INFO, DHT_MSG_SOCKET_ERROR, DHT_MSG_CREATE_FD_FAILED,
+ DHT_MSG_READDIR_ERROR, DHT_MSG_CHILD_LOC_BUILD_FAILED,
+ DHT_MSG_SET_SWITCH_PATTERN_ERROR, DHT_MSG_COMPUTE_HASH_FAILED,
+ DHT_MSG_FIND_LAYOUT_ANOMALIES_ERROR, DHT_MSG_ANOMALIES_INFO,
+ DHT_MSG_LAYOUT_INFO, DHT_MSG_INODE_LK_ERROR, DHT_MSG_RENAME_INFO,
+ DHT_MSG_DATA_NULL, DHT_MSG_AGGREGATE_QUOTA_XATTR_FAILED,
+ DHT_MSG_UNLINK_LOOKUP_INFO, DHT_MSG_LINK_FILE_LOOKUP_INFO,
+ DHT_MSG_OPERATION_NOT_SUP, DHT_MSG_NOT_LINK_FILE_ERROR, DHT_MSG_CHILD_DOWN,
+ DHT_MSG_UUID_PARSE_ERROR, DHT_MSG_GET_DISK_INFO_ERROR,
+ DHT_MSG_INVALID_VALUE, DHT_MSG_SWITCH_PATTERN_INFO,
+ DHT_MSG_SUBVOL_OP_FAILED, DHT_MSG_LAYOUT_PRESET_FAILED,
+ DHT_MSG_INVALID_LINKFILE, DHT_MSG_FIX_LAYOUT_INFO,
+ DHT_MSG_GET_HOSTNAME_FAILED, DHT_MSG_WRITE_FAILED,
+ DHT_MSG_MIGRATE_HARDLINK_FILE_FAILED, DHT_MSG_FSYNC_FAILED,
+ DHT_MSG_SUBVOL_DECOMMISSION_INFO, DHT_MSG_BRICK_QUERY_FAILED,
+ DHT_MSG_SUBVOL_NO_LAYOUT_INFO, DHT_MSG_OPEN_FD_ON_DST_FAILED,
+ DHT_MSG_SUBVOL_NOT_FOUND, DHT_MSG_FILE_LOOKUP_ON_DST_FAILED,
+ DHT_MSG_DISK_LAYOUT_MISSING, DHT_MSG_DICT_GET_FAILED,
+ DHT_MSG_REVALIDATE_CBK_INFO, DHT_MSG_UPGRADE_BRICKS, DHT_MSG_LK_ARRAY_INFO,
+ DHT_MSG_RENAME_NOT_LOCAL, DHT_MSG_RECONFIGURE_INFO,
+ DHT_MSG_INIT_LOCAL_SUBVOL_FAILED, DHT_MSG_SYS_CALL_GET_TIME_FAILED,
+ DHT_MSG_NO_DISK_USAGE_STATUS, DHT_MSG_SUBVOL_DOWN_ERROR,
+ DHT_MSG_REBAL_THROTTLE_INFO, DHT_MSG_COMMIT_HASH_INFO,
+ DHT_MSG_REBAL_STRUCT_SET, DHT_MSG_HAS_MIGINFO, DHT_MSG_SETTLE_HASH_FAILED,
+ DHT_MSG_DEFRAG_PROCESS_DIR_FAILED, DHT_MSG_FD_CTX_SET_FAILED,
+ DHT_MSG_STALE_LOOKUP, DHT_MSG_PARENT_LAYOUT_CHANGED,
+ DHT_MSG_LOCK_MIGRATION_FAILED, DHT_MSG_LOCK_INODE_UNREF_FAILED,
+ DHT_MSG_ASPRINTF_FAILED, DHT_MSG_DIR_LOOKUP_FAILED, DHT_MSG_INODELK_FAILED,
+ DHT_MSG_LOCK_FRAME_FAILED, DHT_MSG_LOCAL_LOCK_INIT_FAILED,
+ DHT_MSG_ENTRYLK_ERROR, DHT_MSG_INODELK_ERROR, DHT_MSG_LOC_FAILED,
+ DHT_MSG_UNKNOWN_FOP, DHT_MSG_MIGRATE_FILE_SKIPPED,
+ DHT_MSG_DIR_XATTR_HEAL_FAILED, DHT_MSG_HASHED_SUBVOL_DOWN,
+ DHT_MSG_NON_HASHED_SUBVOL_DOWN, DHT_MSG_SYNCTASK_CREATE_FAILED,
+ DHT_MSG_DIR_HEAL_ABORT, DHT_MSG_MIGRATE_SKIP, DHT_MSG_FD_CREATE_FAILED,
+ DHT_MSG_DICT_NEW_FAILED, DHT_MSG_FAILED_TO_OPEN, DHT_MSG_CREATE_FAILED,
+ DHT_MSG_FILE_NOT_EXIST, DHT_MSG_CHOWN_FAILED, DHT_MSG_FALLOCATE_FAILED,
+ DHT_MSG_FTRUNCATE_FAILED, DHT_MSG_STATFS_FAILED, DHT_MSG_WRITE_CROSS,
+ DHT_MSG_NEW_TARGET_FOUND, DHT_MSG_INSUFF_MEMORY, DHT_MSG_SET_XATTR_FAILED,
+ DHT_MSG_SET_MODE_FAILED, DHT_MSG_FILE_EXISTS_IN_DEST,
+ DHT_MSG_SYMLINK_FAILED, DHT_MSG_LINKFILE_DEL_FAILED, DHT_MSG_MKNOD_FAILED,
+ DHT_MSG_MIGRATE_CLEANUP_FAILED, DHT_MSG_LOCK_MIGRATE,
+ DHT_MSG_PARENT_BUILD_FAILED, DHT_MSG_HASHED_SUBVOL_NOT_FOUND,
+ DHT_MSG_ACQUIRE_ENTRYLK_FAILED, DHT_MSG_CREATE_DST_FAILED,
+ DHT_MSG_MIGRATION_EXIT, DHT_MSG_CHANGED_DST, DHT_MSG_TRACE_FAILED,
+ DHT_MSG_WRITE_LOCK_FAILED, DHT_MSG_GETACTIVELK_FAILED, DHT_MSG_STAT_FAILED,
+ DHT_MSG_UNLINK_PERFORM_FAILED, DHT_MSG_CLANUP_SOURCE_FILE_FAILED,
+ DHT_MSG_UNLOCK_FILE_FAILED, DHT_MSG_REMOVE_XATTR_FAILED,
+ DHT_MSG_DATA_MIGRATE_ABORT, DHT_MSG_DEFRAG_NULL, DHT_MSG_PARENT_NULL,
+ DHT_MSG_GFID_NOT_PRESENT, DHT_MSG_CHILD_LOC_FAILED,
+ DHT_MSG_SET_LOOKUP_FAILED, DHT_MSG_DIR_REMOVED, DHT_MSG_FIX_NOT_COMP,
+ DHT_MSG_SUBVOL_DETER_FAILED, DHT_MSG_LOCAL_SUBVOL, DHT_MSG_NODE_UUID,
+ DHT_MSG_SIZE_FILE, DHT_MSG_GET_DATA_SIZE_FAILED,
+ DHT_MSG_PTHREAD_JOIN_FAILED, DHT_MSG_COUNTER_THREAD_CREATE_FAILED,
+ DHT_MSG_MIGRATION_INIT_QUEUE_FAILED, DHT_MSG_PAUSED_TIMEOUT, DHT_MSG_WOKE,
+ DHT_MSG_ABORT_REBALANCE, DHT_MSG_CREATE_TASK_REBAL_FAILED,
+ DHT_MSG_REBAL_ESTIMATE_NOT_AVAIL, DHT_MSG_ADD_CHOICES_ERROR,
+ DHT_MSG_GET_CHOICES_ERROR, DHT_MSG_PREPARE_STATUS_ERROR,
+ DHT_MSG_SET_CHOICE_FAILED, DHT_MSG_SET_HASHED_SUBVOL_FAILED,
+ DHT_MSG_XATTR_HEAL_NOT_POSS, DHT_MSG_LINKTO_FILE_FAILED,
+ DHT_MSG_STALE_LINKFILE_DELETE, DHT_MSG_NO_SUBVOL_FOR_LINKTO,
+ DHT_MSG_SUBVOL_RETURNED, DHT_MSG_UNKNOWN_LOCAL_XSEL, DHT_MSG_GET_XATTR_ERR,
+ DHT_MSG_ALLOC_OR_FILL_FAILED, DHT_MSG_GET_REAL_NAME_FAILED,
+ DHT_MSG_COPY_UUID_FAILED, DHT_MSG_MDS_DETER_FAILED,
+ DHT_MSG_CREATE_REBAL_FAILED, DHT_MSG_LINK_LAYOUT_FAILED,
+ DHT_MSG_NO_SUBVOL_IN_LAYOUT, DHT_MSG_MEM_ALLOC_FAILED,
+ DHT_MSG_SET_IN_PARAMS_DICT_FAILED, DHT_MSG_LOC_COPY_FAILED,
+ DHT_MSG_PARENT_LOC_FAILED, DHT_MSG_CREATE_LOCK_FAILED,
+ DHT_MSG_PREV_ATTEMPT_FAILED, DHT_MSG_REFRESH_ATTEMPT,
+ DHT_MSG_ACQUIRE_LOCK_FAILED, DHT_MSG_CREATE_STUB_FAILED,
+ DHT_MSG_WIND_LOCK_REQ_FAILED, DHT_MSG_REFRESH_FAILED,
+ DHT_MSG_CACHED_SUBVOL_ERROR, DHT_MSG_NO_LINK_SUBVOL, DHT_MSG_SET_KEY_FAILED,
+ DHT_MSG_REMOVE_LINKTO_FAILED, DHT_MSG_LAYOUT_DICT_SET_FAILED,
+ DHT_MSG_XATTR_DICT_NULL, DHT_MSG_DUMMY_ALLOC_FAILED, DHT_MSG_DICT_IS_NULL,
+ DHT_MSG_LINK_INODE_FAILED, DHT_MSG_SELFHEAL_FAILED, DHT_MSG_NO_MDS_SUBVOL,
+ DHT_MSG_LIST_XATTRS_FAILED, DHT_MSG_RESET_INTER_XATTR_FAILED,
+ DHT_MSG_MDS_DOWN_UNABLE_TO_SET, DHT_MSG_WIND_UNLOCK_FAILED,
+ DHT_MSG_COMMIT_HASH_FAILED, DHT_MSG_UNLOCK_GFID_FAILED,
+ DHT_MSG_UNLOCK_FOLLOW_ENTRYLK, DHT_MSG_COPY_FRAME_FAILED,
+ DHT_MSG_UNLOCK_FOLLOW_LOCKS, DHT_MSG_ENTRYLK_FAILED_AFT_INODELK,
+ DHT_MSG_CALLOC_FAILED, DHT_MSG_LOCK_ALLOC_FAILED,
+ DHT_MSG_BLOCK_INODELK_FAILED,
+ DHT_MSG_LOCAL_LOCKS_STORE_FAILED_UNLOCKING_FOLLOWING_ENTRYLK,
+ DHT_MSG_ALLOC_FRAME_FAILED_NOT_UNLOCKING_FOLLOWING_ENTRYLKS,
+ DHT_MSG_DST_NULL_SET_FAILED);
+
+#define DHT_MSG_FD_CTX_SET_FAILED_STR "Failed to set fd ctx"
+#define DHT_MSG_INVALID_VALUE_STR "Different dst found in the fd ctx"
+#define DHT_MSG_UNKNOWN_FOP_STR "Unknown FOP on file"
+#define DHT_MSG_OPEN_FD_ON_DST_FAILED_STR "Failed to open the fd on file"
+#define DHT_MSG_SYNCTASK_CREATE_FAILED_STR "Failed to create synctask"
+#define DHT_MSG_ASPRINTF_FAILED_STR \
+ "asprintf failed while fetching subvol from the id"
+#define DHT_MSG_HAS_MIGINFO_STR "Found miginfo in the inode ctx"
+#define DHT_MSG_FILE_LOOKUP_FAILED_STR "failed to lookup the file"
+#define DHT_MSG_INVALID_LINKFILE_STR \
+ "linkto target is different from cached-subvol. treating as destination " \
+ "subvol"
+#define DHT_MSG_GFID_MISMATCH_STR "gfid different on the target file"
+#define DHT_MSG_GET_XATTR_FAILED_STR "failed to get 'linkto' xattr"
+#define DHT_MSG_SET_INODE_CTX_FAILED_STR "failed to set inode-ctx target file"
+#define DHT_MSG_DIR_SELFHEAL_FAILED_STR "Healing of path failed"
+#define DHT_MSG_DIR_HEAL_ABORT_STR \
+ "Failed to get path from subvol. Aborting directory healing"
+#define DHT_MSG_DIR_XATTR_HEAL_FAILED_STR "xattr heal failed for directory"
+#define DHT_MSG_LOCK_INODE_UNREF_FAILED_STR \
+ "Found a NULL inode. Failed to unref the inode"
+#define DHT_MSG_DICT_SET_FAILED_STR "Failed to set dictionary value"
+#define DHT_MSG_NOT_LINK_FILE_ERROR_STR "got non-linkfile"
+#define DHT_MSG_CREATE_LINK_FAILED_STR "failed to initialize linkfile data"
+#define DHT_MSG_UNLINK_FAILED_STR "Unlinking linkfile on subvolume failed"
+#define DHT_MSG_MIGRATE_FILE_FAILED_STR "Migrate file failed"
+#define DHT_MSG_NO_MEMORY_STR "could not allocate memory for dict"
+#define DHT_MSG_SUBVOL_ERROR_STR "Failed to get linkto subvol"
+#define DHT_MSG_MIGRATE_HARDLINK_FILE_FAILED_STR "link failed on subvol"
+#define DHT_MSG_MIGRATE_FILE_SKIPPED_STR "Migration skipped"
+#define DHT_MSG_FD_CREATE_FAILED_STR "fd create failed"
+#define DHT_MSG_DICT_NEW_FAILED_STR "dict_new failed"
+#define DHT_MSG_FAILED_TO_OPEN_STR "failed to open"
+#define DHT_MSG_CREATE_FAILED_STR "failed to create"
+#define DHT_MSG_FILE_NOT_EXIST_STR "file does not exist"
+#define DHT_MSG_CHOWN_FAILED_STR "chown failed"
+#define DHT_MSG_FALLOCATE_FAILED_STR "fallocate failed"
+#define DHT_MSG_FTRUNCATE_FAILED_STR "ftruncate failed"
+#define DHT_MSG_STATFS_FAILED_STR "failed to get statfs"
+#define DHT_MSG_WRITE_CROSS_STR \
+ "write will cross min-fre-disk for file on subvol. looking for new subvol"
+#define DHT_MSG_SUBVOL_INSUFF_SPACE_STR \
+ "Could not find any subvol with space accommodating the file. Cosider " \
+ "adding bricks"
+#define DHT_MSG_NEW_TARGET_FOUND_STR "New target found for file"
+#define DHT_MSG_INSUFF_MEMORY_STR "insufficient memory"
+#define DHT_MSG_SET_XATTR_FAILED_STR "failed to set xattr"
+#define DHT_MSG_SET_MODE_FAILED_STR "failed to set mode"
+#define DHT_MSG_FILE_EXISTS_IN_DEST_STR "file exists in destination"
+#define DHT_MSG_LINKFILE_DEL_FAILED_STR "failed to delete the linkfile"
+#define DHT_MSG_SYMLINK_FAILED_STR "symlink failed"
+#define DHT_MSG_MKNOD_FAILED_STR "mknod failed"
+#define DHT_MSG_SETATTR_FAILED_STR "failed to perform setattr"
+#define DHT_MSG_MIGRATE_CLEANUP_FAILED_STR \
+ "Migrate file cleanup failed: failed to fstat file"
+#define DHT_MSG_LOCK_MIGRATE_STR "locks will be migrated for file"
+#define DHT_MSG_PARENT_BUILD_FAILED_STR \
+ "failed to build parent loc, which is needed to acquire entrylk to " \
+ "synchronize with renames on this path. Skipping migration"
+#define DHT_MSG_HASHED_SUBVOL_NOT_FOUND_STR \
+ "cannot find hashed subvol which is needed to synchronize with renames " \
+ "on this path. Skipping migration"
+#define DHT_MSG_ACQUIRE_ENTRYLK_FAILED_STR "failed to acquire entrylk on subvol"
+#define DHT_MSG_CREATE_DST_FAILED_STR "create dst failed for file"
+#define DHT_MSG_MIGRATION_EXIT_STR "Exiting migration"
+#define DHT_MSG_CHANGED_DST_STR "destination changed fo file"
+#define DHT_MSG_TRACE_FAILED_STR "Trace failed"
+#define DHT_MSG_WRITE_LOCK_FAILED_STR "write lock failed"
+#define DHT_MSG_GETACTIVELK_FAILED_STR "getactivelk failed for file"
+#define DHT_MSG_STAT_FAILED_STR "failed to do a stat"
+#define DHT_MSG_UNLINK_PERFORM_FAILED_STR "failed to perform unlink"
+#define DHT_MSG_MIGRATE_FILE_COMPLETE_STR "completed migration"
+#define DHT_MSG_CLANUP_SOURCE_FILE_FAILED_STR "failed to cleanup source file"
+#define DHT_MSG_UNLOCK_FILE_FAILED_STR "failed to unlock file"
+#define DHT_MSG_REMOVE_XATTR_FAILED_STR "remove xattr failed"
+#define DHT_MSG_SOCKET_ERROR_STR "Failed to unlink listener socket"
+#define DHT_MSG_HASHED_SUBVOL_GET_FAILED_STR "Failed to get hashed subvolume"
+#define DHT_MSG_CACHED_SUBVOL_GET_FAILED_STR "Failed to get cached subvolume"
+#define DHT_MSG_MIGRATE_DATA_FAILED_STR "migrate-data failed"
+#define DHT_MSG_DEFRAG_NULL_STR "defrag is NULL"
+#define DHT_MSG_DATA_MIGRATE_ABORT_STR \
+ "Readdirp failed. Aborting data migration for dict"
+#define DHT_MSG_LAYOUT_FIX_FAILED_STR "fix layout failed"
+#define DHT_MSG_PARENT_NULL_STR "parent is NULL"
+#define DHT_MSG_GFID_NOT_PRESENT_STR "gfid not present"
+#define DHT_MSG_CHILD_LOC_FAILED_STR "Child loc build failed"
+#define DHT_MSG_SET_LOOKUP_FAILED_STR "Failed to set lookup"
+#define DHT_MSG_DIR_LOOKUP_FAILED_STR "lookup failed"
+#define DHT_MSG_DIR_REMOVED_STR "Dir renamed or removed. Skipping"
+#define DHT_MSG_READDIR_ERROR_STR "readdir failed, Aborting fix-layout"
+#define DHT_MSG_SETTLE_HASH_FAILED_STR "Settle hash failed"
+#define DHT_MSG_DEFRAG_PROCESS_DIR_FAILED_STR "gf_defrag_process_dir failed"
+#define DHT_MSG_FIX_NOT_COMP_STR \
+ "Unable to retrieve fixlayout xattr. Assume background fix layout not " \
+ "complete"
+#define DHT_MSG_SUBVOL_DETER_FAILED_STR \
+ "local subvolume determination failed with error"
+#define DHT_MSG_LOCAL_SUBVOL_STR "local subvol"
+#define DHT_MSG_NODE_UUID_STR "node uuid"
+#define DHT_MSG_SIZE_FILE_STR "Total size files"
+#define DHT_MSG_GET_DATA_SIZE_FAILED_STR \
+ "Failed to get the total data size. Unable to estimate time to complete " \
+ "rebalance"
+#define DHT_MSG_PTHREAD_JOIN_FAILED_STR \
+ "file_counter_thread: pthread_join failed"
+#define DHT_MSG_COUNTER_THREAD_CREATE_FAILED_STR \
+ "Failed to create the file counter thread"
+#define DHT_MSG_MIGRATION_INIT_QUEUE_FAILED_STR \
+ "Failed to initialise migration queue"
+#define DHT_MSG_REBALANCE_STOPPED_STR "Received stop command on rebalance"
+#define DHT_MSG_PAUSED_TIMEOUT_STR "Request pause timer timeout"
+#define DHT_MSG_WOKE_STR "woken"
+#define DHT_MSG_ABORT_REBALANCE_STR "Aborting rebalance"
+#define DHT_MSG_REBALANCE_START_FAILED_STR \
+ "Failed to start rebalance: look up on / failed"
+#define DHT_MSG_CREATE_TASK_REBAL_FAILED_STR \
+ "Could not create task for rebalance"
+#define DHT_MSG_REBAL_ESTIMATE_NOT_AVAIL_STR \
+ "Rebalance estimates will not be available"
+#define DHT_MSG_REBALANCE_STATUS_STR "Rebalance status"
+#define DHT_MSG_DATA_NULL_STR "data value is NULL"
+#define DHT_MSG_ADD_CHOICES_ERROR_STR "Error to add choices in buffer"
+#define DHT_MSG_GET_CHOICES_ERROR_STR "Error to get choices"
+#define DHT_MSG_PREPARE_STATUS_ERROR_STR "Error to prepare status"
+#define DHT_MSG_SET_CHOICE_FAILED_STR "Failed to set full choice"
+#define DHT_MSG_AGGREGATE_QUOTA_XATTR_FAILED_STR \
+ "Failed to aggregate quota xattr"
+#define DHT_MSG_FILE_TYPE_MISMATCH_STR \
+ "path exists as a file on one subvolume and directory on another. Please " \
+ "fix it manually"
+#define DHT_MSG_LAYOUT_SET_FAILED_STR "failed to set layout for subvolume"
+#define DHT_MSG_LAYOUT_MERGE_FAILED_STR "failed to merge layouts for subvolume"
+#define DHT_MSG_SET_HASHED_SUBVOL_FAILED_STR "Failed to set hashed subvolume"
+#define DHT_MSG_XATTR_HEAL_NOT_POSS_STR \
+ "No gfid exists for path. so healing xattr is not possible"
+#define DHT_MSG_REVALIDATE_CBK_INFO_STR "Revalidate: subvolume returned -1"
+#define DHT_MSG_LAYOUT_MISMATCH_STR "Mismatching layouts"
+#define DHT_MSG_UNLINK_LOOKUP_INFO_STR "lookup_unlink retuened"
+#define DHT_MSG_LINKTO_FILE_FAILED_STR \
+ "Could not unlink the linkto file as either fd is open and/or linkto " \
+ "xattr is set"
+#define DHT_MSG_LAYOUT_PRESET_FAILED_STR \
+ "Could not set pre-set layout for subvolume"
+#define DHT_MSG_FILE_ON_MULT_SUBVOL_STR \
+ "multiple subvolumes have file (preferably rename the file in the " \
+ "backend, and do a fresh lookup"
+#define DHT_MSG_STALE_LINKFILE_DELETE_STR \
+ "attempting deletion of stale linkfile"
+#define DHT_MSG_LINK_FILE_LOOKUP_INFO_STR "Lookup on following linkfile"
+#define DHT_MSG_NO_SUBVOL_FOR_LINKTO_STR "No link subvolume for linkto"
+#define DHT_MSG_SUBVOL_RETURNED_STR "Subvolume returned -1"
+#define DHT_MSG_UNKNOWN_LOCAL_XSEL_STR "Unknown local->xsel"
+#define DHT_MSG_DICT_GET_FAILED_STR "Failed to get"
+#define DHT_MSG_UUID_PARSE_ERROR_STR "Failed to parse uuid"
+#define DHT_MSG_GET_XATTR_ERR_STR "getxattr err for dir"
+#define DHT_MSG_ALLOC_OR_FILL_FAILED_STR "alloc or fill failed"
+#define DHT_MSG_UPGRADE_BRICKS_STR \
+ "At least one of the bricks does not support this operation. Please " \
+ "upgrade all bricks"
+#define DHT_MSG_GET_REAL_NAME_FAILED_STR "Failed to get real filename"
+#define DHT_MSG_LAYOUT_NULL_STR "Layout is NULL"
+#define DHT_MSG_COPY_UUID_FAILED_STR "Failed to copy node uuid key"
+#define DHT_MSG_MDS_DETER_FAILED_STR \
+ "Cannot determine MDS, fetching xattr randomly from a subvol"
+#define DHT_MSG_HASHED_SUBVOL_DOWN_STR \
+ "MDS is down for path, so fetching xattr randomly from subvol"
+#define DHT_MSG_CREATE_REBAL_FAILED_STR \
+ "failed to create a new rebalance synctask"
+#define DHT_MSG_FIX_LAYOUT_INFO_STR "fixing the layout"
+#define DHT_MSG_OPERATION_NOT_SUP_STR "wrong directory-spread-count value"
+#define DHT_MSG_LINK_LAYOUT_FAILED_STR "failed to link the layout in inode"
+#define DHT_MSG_NO_SUBVOL_IN_LAYOUT_STR "no subvolume in layout for path"
+#define DHT_MSG_INODE_LK_ERROR_STR "mknod lock failed for file"
+#define DHT_MSG_MEM_ALLOC_FAILED_STR "mem allocation failed"
+#define DHT_MSG_PARENT_LAYOUT_CHANGED_STR \
+ "extracting in-memory layout of parent failed"
+#define DHT_MSG_SET_IN_PARAMS_DICT_FAILED_STR \
+ "setting in params dictionary failed"
+#define DHT_MSG_LOC_COPY_FAILED_STR "loc_copy failed"
+#define DHT_MSG_LOC_FAILED_STR "parent loc build failed"
+#define DHT_MSG_PARENT_LOC_FAILED_STR "locking parent failed"
+#define DHT_MSG_CREATE_LOCK_FAILED_STR "Create lock failed"
+#define DHT_MSG_PREV_ATTEMPT_FAILED_STR \
+ "mkdir loop detected. parent layout didn't change even though previous " \
+ "attempt of mkdir failed because of in-memory layout not matching with " \
+ "that on disk."
+#define DHT_MSG_REFRESH_ATTEMPT_STR \
+ "mkdir parent layout changed. Attempting a refresh and then a retry"
+#define DHT_MSG_ACQUIRE_LOCK_FAILED_STR \
+ "Acquiring lock on parent to guard against layout-change failed"
+#define DHT_MSG_CREATE_STUB_FAILED_STR "creating stub failed"
+#define DHT_MSG_WIND_LOCK_REQ_FAILED_STR \
+ "cannot wind lock request to guard parent layout"
+#define DHT_MSG_REFRESH_FAILED_STR "refreshing parent layout failed."
+#define DHT_MSG_CACHED_SUBVOL_ERROR_STR "On cached subvol"
+#define DHT_MSG_NO_LINK_SUBVOL_STR "Linkfile does not have link subvolume"
+#define DHT_MSG_SET_KEY_FAILED_STR "failed to set key"
+#define DHT_MSG_CHILD_DOWN_STR "Received CHILD_DOWN. Exiting"
+#define DHT_MSG_LOG_FIXED_LAYOUT_STR "log layout fixed"
+#define DHT_MSG_REBAL_STRUCT_SET_STR "local->rebalance already set"
+#define DHT_MSG_REMOVE_LINKTO_FAILED_STR "Removal of linkto failed at subvol"
+#define DHT_MSG_LAYOUT_DICT_SET_FAILED_STR "dht layout dict set failed"
+#define DHT_MSG_SUBVOL_INFO_STR "creating subvolume"
+#define DHT_MSG_COMPUTE_HASH_FAILED_STR "hash computation failed"
+#define DHT_MSG_INVALID_DISK_LAYOUT_STR \
+ "Invalid disk layout: Catastrophic error layout with unknown type found"
+#define DHT_MSG_LAYOUT_SORT_FAILED_STR "layout sort failed"
+#define DHT_MSG_ANOMALIES_INFO_STR "Found anomalies"
+#define DHT_MSG_XATTR_DICT_NULL_STR "xattr dictionary is NULL"
+#define DHT_MSG_DISK_LAYOUT_MISSING_STR "Disk layout missing"
+#define DHT_MSG_LAYOUT_INFO_STR "layout info"
+#define DHT_MSG_SUBVOL_NO_LAYOUT_INFO_STR "no pre-set layout for subvol"
+#define DHT_MSG_SELFHEAL_XATTR_FAILED_STR "layout setxattr failed"
+#define DHT_MSG_DIR_SELFHEAL_XATTR_FAILED_STR "Directory self heal xattr failed"
+#define DHT_MSG_DUMMY_ALLOC_FAILED_STR "failed to allocate dummy layout"
+#define DHT_MSG_DICT_IS_NULL_STR \
+ "dict is NULL, need to make sure gfids are same"
+#define DHT_MSG_ENTRYLK_ERROR_STR "acquiring entrylk after inodelk failed"
+#define DHT_MSG_NO_DISK_USAGE_STATUS_STR "no du stats"
+#define DHT_MSG_LINK_INODE_FAILED_STR "linking inode failed"
+#define DHT_MSG_SELFHEAL_FAILED_STR "Directory selfheal failed"
+#define DHT_MSG_NO_MDS_SUBVOL_STR "No mds subvol"
+#define DHT_MSG_LIST_XATTRS_FAILED_STR "failed to list xattrs"
+#define DHT_MSG_RESET_INTER_XATTR_FAILED_STR "Failed to reset internal xattr"
+#define DHT_MSG_MDS_DOWN_UNABLE_TO_SET_STR \
+ "mds subvol is down, unable to set xattr"
+#define DHT_MSG_DIR_ATTR_HEAL_FAILED_STR \
+ "Directory attr heal failed. Failed to set uid/gid"
+#define DHT_MSG_WIND_UNLOCK_FAILED_STR \
+ "Winding unlock failed: stale locks left on brick"
+#define DHT_MSG_COMMIT_HASH_FAILED_STR "Directory commit hash updaten failed"
+#define DHT_MSG_LK_ARRAY_INFO_STR "lk info"
+#define DHT_MSG_UNLOCK_GFID_FAILED_STR \
+ "unlock failed on gfid: stale lock might be left"
+#define DHT_MSG_UNLOCKING_FAILED_STR "unlocking failed"
+#define DHT_MSG_UNLOCK_FOLLOW_ENTRYLK_STR "not unlocking following entrylks"
+#define DHT_MSG_COPY_FRAME_FAILED_STR "copy frame failed"
+#define DHT_MSG_UNLOCK_FOLLOW_LOCKS_STR "not unlocking following locks"
+#define DHT_MSG_INODELK_FAILED_STR "inodelk failed on subvol"
+#define DHT_MSG_LOCK_FRAME_FAILED_STR "memory allocation failed for lock_frame"
+#define DHT_MSG_LOCAL_LOCK_INIT_FAILED_STR "dht_local_lock_init failed"
+#define DHT_MSG_ENTRYLK_FAILED_AFT_INODELK_STR \
+ "dht_blocking_entrylk failed after taking inodelk"
+#define DHT_MSG_BLOCK_INODELK_FAILED_STR "dht_blocking_inodelk failed"
+#define DHT_MSG_CALLOC_FAILED_STR "calloc failed"
+#define DHT_MSG_LOCK_ALLOC_FAILED_STR "lock allocation failed"
+#define DHT_MSG_ALLOC_FRAME_FAILED_NOT_UNLOCKING_FOLLOWING_ENTRYLKS_STR \
+ "cannot allocate a frame, not unlocking following entrylks"
+#define DHT_MSG_LOCAL_LOCKS_STORE_FAILED_UNLOCKING_FOLLOWING_ENTRYLK_STR \
+ "storing locks in local failed, not unlocking following entrylks"
+#define DHT_MSG_DST_NULL_SET_FAILED_STR \
+ "src or dst is NULL, Failed to set dictionary value"
#endif /* _DHT_MESSAGES_H_ */
diff --git a/xlators/cluster/dht/src/dht-rebalance.c b/xlators/cluster/dht/src/dht-rebalance.c
index fcc0391f802..8ba8082bd86 100644
--- a/xlators/cluster/dht/src/dht-rebalance.c
+++ b/xlators/cluster/dht/src/dht-rebalance.c
@@ -8,254 +8,143 @@
cases as published by the Free Software Foundation.
*/
-
-#include "tier.h"
#include "dht-common.h"
-#include "xlator.h"
-#include "syscall.h"
-#include <signal.h>
+#include <glusterfs/syscall.h>
#include <fnmatch.h>
#include <signal.h>
-#include "events.h"
-
-#define GF_DISK_SECTOR_SIZE 512
-#define DHT_REBALANCE_PID 4242 /* Change it if required */
-#define DHT_REBALANCE_BLKSIZE (1024 * 1024) /* 1 MB */
-#define MAX_MIGRATE_QUEUE_COUNT 500
-#define MIN_MIGRATE_QUEUE_COUNT 200
-#define MAX_REBAL_TYPE_SIZE 16
-#define FILE_CNT_INTERVAL 600 /* 10 mins */
-#define ESTIMATE_START_INTERVAL 600 /* 10 mins */
-#define HARDLINK_MIG_INPROGRESS -2
-#define SKIP_MIGRATION_FD_POSITIVE -3
+#include <glusterfs/events.h>
+#include "glusterfs/compat-errno.h" // for ENODATA on BSD
+
+#define GF_DISK_SECTOR_SIZE 512
+#define DHT_REBALANCE_PID 4242 /* Change it if required */
+#define DHT_REBALANCE_BLKSIZE 1048576 /* 1 MB */
+#define MAX_MIGRATE_QUEUE_COUNT 500
+#define MIN_MIGRATE_QUEUE_COUNT 200
+#define MAX_REBAL_TYPE_SIZE 16
+#define FILE_CNT_INTERVAL 600 /* 10 mins */
+#define ESTIMATE_START_INTERVAL 600 /* 10 mins */
+#define HARDLINK_MIG_INPROGRESS -2
+#define SKIP_MIGRATION_FD_POSITIVE -3
#ifndef MAX
-#define MAX(a, b) (((a) > (b))?(a):(b))
+#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
-
-#define GF_CRAWL_INDEX_MOVE(idx, sv_cnt) { \
- idx++; \
- idx %= sv_cnt; \
- }
+#define GF_CRAWL_INDEX_MOVE(idx, sv_cnt) \
+ { \
+ idx++; \
+ idx %= sv_cnt; \
+ }
uint64_t g_totalfiles = 0;
uint64_t g_totalsize = 0;
-
void
-gf_defrag_free_dir_dfmeta (struct dir_dfmeta *meta, int local_subvols_cnt)
+gf_defrag_free_dir_dfmeta(struct dir_dfmeta *meta, int local_subvols_cnt)
{
- int i = 0;
-
- if (meta) {
- for (i = 0; i < local_subvols_cnt; i++) {
- gf_dirent_free (&meta->equeue[i]);
- }
-
- GF_FREE (meta->equeue);
- GF_FREE (meta->head);
- GF_FREE (meta->iterator);
- GF_FREE (meta->offset_var);
- GF_FREE (meta->fetch_entries);
- GF_FREE (meta);
- }
+ int i = 0;
+
+ if (meta) {
+ for (i = 0; i < local_subvols_cnt; i++) {
+ if (meta->equeue)
+ gf_dirent_free(&meta->equeue[i]);
+ if (meta->lfd && meta->lfd[i])
+ fd_unref(meta->lfd[i]);
+ }
+
+ GF_FREE(meta->equeue);
+ GF_FREE(meta->head);
+ GF_FREE(meta->iterator);
+ GF_FREE(meta->offset_var);
+ GF_FREE(meta->fetch_entries);
+ GF_FREE(meta->lfd);
+ GF_FREE(meta);
+ }
}
void
-gf_defrag_free_container (struct dht_container *container)
+gf_defrag_free_container(struct dht_container *container)
{
- if (container) {
- gf_dirent_entry_free (container->df_entry);
+ if (container) {
+ gf_dirent_entry_free(container->df_entry);
- if (container->parent_loc) {
- loc_wipe (container->parent_loc);
- }
+ if (container->parent_loc) {
+ loc_wipe(container->parent_loc);
+ }
- GF_FREE (container->parent_loc);
+ GF_FREE(container->parent_loc);
- GF_FREE (container);
- }
+ GF_FREE(container);
+ }
}
void
-dht_set_global_defrag_error (gf_defrag_info_t *defrag, int ret)
+dht_set_global_defrag_error(gf_defrag_info_t *defrag, int ret)
{
- LOCK (&defrag->lock);
- {
- defrag->global_error = ret;
- }
- UNLOCK (&defrag->lock);
- return;
+ LOCK(&defrag->lock);
+ {
+ defrag->global_error = ret;
+ }
+ UNLOCK(&defrag->lock);
+ return;
}
-
-static gf_boolean_t
-dht_is_tier_command (int cmd) {
-
- gf_boolean_t is_tier = _gf_false;
-
- switch (cmd) {
- case GF_DEFRAG_CMD_START_TIER:
- case GF_DEFRAG_CMD_STATUS_TIER:
- case GF_DEFRAG_CMD_START_DETACH_TIER:
- case GF_DEFRAG_CMD_STOP_DETACH_TIER:
- case GF_DEFRAG_CMD_PAUSE_TIER:
- case GF_DEFRAG_CMD_RESUME_TIER:
- is_tier = _gf_true;
- break;
- default:
- break;
- }
- return is_tier;
-
-}
-
-
static int
-dht_send_rebalance_event (xlator_t *this, int cmd, gf_defrag_status_t status)
+dht_send_rebalance_event(xlator_t *this, int cmd, gf_defrag_status_t status)
{
- int ret = -1;
- char *volname = NULL;
- char *tmpstr = NULL;
- char *ptr = NULL;
- char *suffix = "-dht";
- dht_conf_t *conf = NULL;
- gf_defrag_info_t *defrag = NULL;
- int len = 0;
-
- eventtypes_t event = EVENT_LAST;
-
- switch (status) {
+ int ret = -1;
+ char *volname = NULL;
+ char *tmpstr = NULL;
+ char *ptr = NULL;
+ char *suffix = "-dht";
+ int len = 0;
+
+ eventtypes_t event = EVENT_LAST;
+
+ switch (status) {
case GF_DEFRAG_STATUS_COMPLETE:
- event = EVENT_VOLUME_REBALANCE_COMPLETE;
- break;
+ event = EVENT_VOLUME_REBALANCE_COMPLETE;
+ break;
case GF_DEFRAG_STATUS_FAILED:
- event = EVENT_VOLUME_REBALANCE_FAILED;
- break;
+ event = EVENT_VOLUME_REBALANCE_FAILED;
+ break;
case GF_DEFRAG_STATUS_STOPPED:
- event = EVENT_VOLUME_REBALANCE_STOP;
- break;
+ event = EVENT_VOLUME_REBALANCE_STOP;
+ break;
default:
- break;
-
- }
-
- if (dht_is_tier_command (cmd)) {
- /* We should have the tier volume name*/
- conf = this->private;
- defrag = conf->defrag;
- volname = defrag->tier_conf.volname;
- } else {
- /* DHT volume */
- len = strlen (this->name);
- tmpstr = gf_strdup (this->name);
- if (tmpstr) {
- ptr = tmpstr + (len - strlen (suffix));
- if (!strcmp (ptr, suffix)) {
- tmpstr[len - strlen (suffix)] = '\0';
- volname = tmpstr;
- }
- }
- }
-
- if (!volname) {
- /* Better than nothing */
- volname = this->name;
- }
-
- if (event != EVENT_LAST) {
- gf_event (event, "volume=%s", volname);
- }
-
- GF_FREE (tmpstr);
- return ret;
+ break;
+ }
+
+ /* DHT volume */
+ len = strlen(this->name) - strlen(suffix);
+ tmpstr = gf_strdup(this->name);
+ if (tmpstr) {
+ ptr = tmpstr + len;
+ if (!strcmp(ptr, suffix)) {
+ tmpstr[len] = '\0';
+ volname = tmpstr;
+ }
+ }
+
+ if (!volname) {
+ /* Better than nothing */
+ volname = this->name;
+ }
+
+ if (event != EVENT_LAST) {
+ gf_event(event, "volume=%s", volname);
+ }
+
+ GF_FREE(tmpstr);
+ return ret;
}
-
static void
-dht_strip_out_acls (dict_t *dict)
+dht_strip_out_acls(dict_t *dict)
{
- if (dict) {
- dict_del (dict, "trusted.SGI_ACL_FILE");
- dict_del (dict, POSIX_ACL_ACCESS_XATTR);
- }
-}
-
-
-
-static int
-dht_write_with_holes (xlator_t *to, fd_t *fd, struct iovec *vec, int count,
- int32_t size, off_t offset, struct iobref *iobref,
- int *fop_errno)
-{
- int i = 0;
- int ret = -1;
- int start_idx = 0;
- int tmp_offset = 0;
- int write_needed = 0;
- int buf_len = 0;
- int size_pending = 0;
- char *buf = NULL;
-
- /* loop through each vector */
- for (i = 0; i < count; i++) {
- buf = vec[i].iov_base;
- buf_len = vec[i].iov_len;
-
- for (start_idx = 0; (start_idx + GF_DISK_SECTOR_SIZE) <= buf_len;
- start_idx += GF_DISK_SECTOR_SIZE) {
-
- if (mem_0filled (buf + start_idx, GF_DISK_SECTOR_SIZE) != 0) {
- write_needed = 1;
- continue;
- }
-
- if (write_needed) {
- ret = syncop_write (to, fd, (buf + tmp_offset),
- (start_idx - tmp_offset),
- (offset + tmp_offset),
- iobref, 0, NULL, NULL);
- /* 'path' will be logged in calling function */
- if (ret < 0) {
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to write (%s)",
- strerror (-ret));
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- write_needed = 0;
- }
- tmp_offset = start_idx + GF_DISK_SECTOR_SIZE;
- }
-
- if ((start_idx < buf_len) || write_needed) {
- /* This means, last chunk is not yet written.. write it */
- ret = syncop_write (to, fd, (buf + tmp_offset),
- (buf_len - tmp_offset),
- (offset + tmp_offset), iobref, 0,
- NULL, NULL);
- if (ret < 0) {
- /* 'path' will be logged in calling function */
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to write (%s)",
- strerror (-ret));
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
- }
-
- size_pending = (size - buf_len);
- if (!size_pending)
- break;
- }
-
- ret = size;
-out:
- return ret;
-
+ if (dict) {
+ dict_del(dict, "trusted.SGI_ACL_FILE");
+ dict_del(dict, POSIX_ACL_ACCESS_XATTR);
+ }
}
/*
@@ -294,323 +183,318 @@ be converted to "0" in dht_migrate_file.
*/
int32_t
-gf_defrag_handle_hardlink (xlator_t *this, loc_t *loc, int *fop_errno)
+gf_defrag_handle_hardlink(xlator_t *this, loc_t *loc, int *fop_errno)
{
- int32_t ret = -1;
- xlator_t *cached_subvol = NULL;
- xlator_t *hashed_subvol = NULL;
- xlator_t *linkto_subvol = NULL;
- data_t *data = NULL;
- struct iatt iatt = {0,};
- int32_t op_errno = 0;
- dht_conf_t *conf = NULL;
- gf_loglevel_t loglevel = 0;
- dict_t *link_xattr = NULL;
- dict_t *dict = NULL;
- dict_t *xattr_rsp = NULL;
- struct iatt stbuf = {0,};
-
+ int32_t ret = -1;
+ xlator_t *cached_subvol = NULL;
+ xlator_t *hashed_subvol = NULL;
+ xlator_t *linkto_subvol = NULL;
+ data_t *data = NULL;
+ struct iatt iatt = {
+ 0,
+ };
+ int32_t op_errno = 0;
+ dht_conf_t *conf = NULL;
+ gf_loglevel_t loglevel = 0;
+ dict_t *link_xattr = NULL;
+ dict_t *dict = NULL;
+ dict_t *xattr_rsp = NULL;
+ struct iatt stbuf = {
+ 0,
+ };
+
+ *fop_errno = EINVAL;
+
+ GF_VALIDATE_OR_GOTO("defrag", loc, out);
+ GF_VALIDATE_OR_GOTO("defrag", loc->name, out);
+ GF_VALIDATE_OR_GOTO("defrag", this, out);
+ GF_VALIDATE_OR_GOTO("defrag", this->private, out);
+
+ conf = this->private;
+
+ if (gf_uuid_is_null(loc->pargfid)) {
+ gf_msg("", GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed :"
+ "loc->pargfid is NULL for %s",
+ loc->path);
*fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+
+ if (gf_uuid_is_null(loc->gfid)) {
+ gf_msg("", GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed :"
+ "loc->gfid is NULL for %s",
+ loc->path);
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
- GF_VALIDATE_OR_GOTO ("defrag", loc, out);
- GF_VALIDATE_OR_GOTO ("defrag", loc->name, out);
- GF_VALIDATE_OR_GOTO ("defrag", this, out);
- GF_VALIDATE_OR_GOTO ("defrag", this->private, out);
-
- conf = this->private;
-
- if (gf_uuid_is_null (loc->pargfid)) {
- gf_msg ("", GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed :"
- "loc->pargfid is NULL for %s", loc->path);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- if (gf_uuid_is_null (loc->gfid)) {
- gf_msg ("", GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed :"
- "loc->gfid is NULL for %s", loc->path);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- link_xattr = dict_new ();
- if (!link_xattr) {
- ret = -1;
- *fop_errno = ENOMEM;
- goto out;
- }
-
- /*
- Parallel migration can lead to migration of the hard link multiple
- times which can lead to data loss. Hence, adding a fresh lookup to
- decide whether migration is required or not.
-
- Elaborating the scenario for let say 10 hardlinks [link{1..10}]:
- Let say the first hard link "link1" does the setxattr of the
- new hashed subvolume info on the cached file. As there are multiple
- threads working, we might have already all the links created on the
- new hashed by the time we reach hardlink let say link5. Now the
- number of links on hashed is equal to that of cached. Hence, file
- migration will happen for link6.
-
- Cached Hashed
- --------T link6 rwxrwxrwx link6
-
- Now post above state all the link file on the cached will be zero
- byte linkto files. Hence, if we still do migration for the following
- files link{7..10}, we will end up migrating 0 data leading to data
- loss.
- Hence, a lookup can make sure whether we need to migrate the
- file or not.
- */
-
- dict = dict_new ();
- if (!dict) {
- ret = -1;
- *fop_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
- "could not allocate memory for dict");
- goto out;
- }
-
- ret = dict_set_int32 (dict, conf->link_xattr_name, 256);
+ link_xattr = dict_new();
+ if (!link_xattr) {
+ ret = -1;
+ *fop_errno = ENOMEM;
+ goto out;
+ }
+
+ /*
+ Parallel migration can lead to migration of the hard link multiple
+ times which can lead to data loss. Hence, adding a fresh lookup to
+ decide whether migration is required or not.
+
+ Elaborating the scenario for let say 10 hardlinks [link{1..10}]:
+ Let say the first hard link "link1" does the setxattr of the
+ new hashed subvolume info on the cached file. As there are multiple
+ threads working, we might have already all the links created on the
+ new hashed by the time we reach hardlink let say link5. Now the
+ number of links on hashed is equal to that of cached. Hence, file
+ migration will happen for link6.
+
+ Cached Hashed
+ --------T link6 rwxrwxrwx link6
+
+ Now post above state all the link file on the cached will be zero
+ byte linkto files. Hence, if we still do migration for the following
+ files link{7..10}, we will end up migrating 0 data leading to data
+ loss.
+ Hence, a lookup can make sure whether we need to migrate the
+ file or not.
+ */
+
+ dict = dict_new();
+ if (!dict) {
+ ret = -1;
+ *fop_errno = ENOMEM;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "could not allocate memory for dict");
+ goto out;
+ }
+
+ ret = dict_set_int32(dict, conf->link_xattr_name, 256);
+ if (ret) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to set 'linkto' key in dict",
+ loc->path);
+ goto out;
+ }
+
+ ret = syncop_lookup(this, loc, &stbuf, NULL, dict, &xattr_rsp);
+ if (ret) {
+ /*Ignore ENOENT and ESTALE as file might have been
+ migrated already*/
+ if (-ret == ENOENT || -ret == ESTALE) {
+ ret = -2;
+ goto out;
+ }
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:%s lookup failed with ret = %d", loc->path,
+ ret);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ cached_subvol = dht_subvol_get_cached(this, loc->inode);
+ if (!cached_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed :"
+ "Failed to get cached subvol"
+ " for %s on %s",
+ loc->name, this->name);
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+ if (!hashed_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed :"
+ "Failed to get hashed subvol"
+ " for %s on %s",
+ loc->name, this->name);
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+
+ /* Hardlink migration happens only with remove-brick. So this condition will
+ * be true only when the migration has happened. In case hardlinks are
+ * migrated for rebalance case, remove this check. Having this check here
+ * avoid redundant calls below*/
+ if (hashed_subvol == cached_subvol) {
+ ret = -2;
+ goto out;
+ }
+
+ gf_log(this->name, GF_LOG_INFO,
+ "Attempting to migrate hardlink %s "
+ "with gfid %s from %s -> %s",
+ loc->name, uuid_utoa(loc->gfid), cached_subvol->name,
+ hashed_subvol->name);
+
+ data = dict_get(xattr_rsp, conf->link_xattr_name);
+ /* set linkto on cached -> hashed if not present, else link it */
+ if (!data) {
+ ret = dict_set_str(link_xattr, conf->link_xattr_name,
+ hashed_subvol->name);
if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to set 'linkto' key in dict", loc->path);
- goto out;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed :"
+ "Failed to set dictionary value:"
+ " key = %s for %s",
+ conf->link_xattr_name, loc->name);
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
}
- ret = syncop_lookup (this, loc, &stbuf, NULL, dict, &xattr_rsp);
+ ret = syncop_setxattr(cached_subvol, loc, link_xattr, 0, NULL, NULL);
if (ret) {
- /*Ignore ENOENT and ESTALE as file might have been
- migrated already*/
- if (-ret == ENOENT || -ret == ESTALE) {
- ret = -2;
- goto out;
- }
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:%s lookup failed with ret = %d",
- loc->path, ret);
- *fop_errno = -ret;
- ret = -1;
- goto out;
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed :"
+ "Linkto setxattr failed %s -> %s",
+ cached_subvol->name, loc->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
}
- cached_subvol = dht_subvol_get_cached (this, loc->inode);
- if (!cached_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed :"
- "Failed to get cached subvol"
- " for %s on %s", loc->name, this->name);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- hashed_subvol = dht_subvol_get_hashed (this, loc);
- if (!hashed_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed :"
- "Failed to get hashed subvol"
- " for %s on %s", loc->name, this->name);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
+ gf_msg_debug(this->name, 0,
+ "hardlink target subvol created on %s "
+ ",cached %s, file %s",
+ hashed_subvol->name, cached_subvol->name, loc->path);
- /* Hardlink migration happens only with remove-brick. So this condition will
- * be true only when the migration has happened. In case hardlinks are migrated
- * for rebalance case, remove this check. Having this check here avoid redundant
- * calls below*/
- if (hashed_subvol == cached_subvol) {
- ret = -2;
- goto out;
- }
-
- gf_log (this->name, GF_LOG_INFO, "Attempting to migrate hardlink %s "
- "with gfid %s from %s -> %s", loc->name, uuid_utoa (loc->gfid),
- cached_subvol->name, hashed_subvol->name);
-
- data = dict_get (xattr_rsp, conf->link_xattr_name);
- /* set linkto on cached -> hashed if not present, else link it */
- if (!data) {
- ret = dict_set_str (link_xattr, conf->link_xattr_name,
- hashed_subvol->name);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed :"
- "Failed to set dictionary value:"
- " key = %s for %s",
- conf->link_xattr_name, loc->name);
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- ret = syncop_setxattr (cached_subvol, loc, link_xattr, 0, NULL,
- NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed :"
- "Linkto setxattr failed %s -> %s",
- cached_subvol->name,
- loc->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- gf_msg_debug (this->name, 0, "hardlink target subvol created on %s "
- ",cached %s, file %s",
- hashed_subvol->name, cached_subvol->name, loc->path);
-
- ret = -2;
- goto out;
+ ret = -2;
+ goto out;
+ } else {
+ linkto_subvol = dht_linkfile_subvol(this, NULL, NULL, xattr_rsp);
+ if (!linkto_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SUBVOL_ERROR,
+ "Failed to get "
+ "linkto subvol for %s",
+ loc->name);
} else {
- linkto_subvol = dht_linkfile_subvol (this, NULL, NULL, xattr_rsp);
- if (!linkto_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SUBVOL_ERROR,
- "Failed to get "
- "linkto subvol for %s", loc->name);
- } else {
- hashed_subvol = linkto_subvol;
- }
-
- ret = syncop_link (hashed_subvol, loc, loc, &iatt, NULL, NULL);
- if (ret) {
- op_errno = -ret;
- ret = -1;
-
- loglevel = (op_errno == EEXIST) ? GF_LOG_DEBUG : \
- GF_LOG_ERROR;
- gf_msg (this->name, loglevel, op_errno,
- DHT_MSG_MIGRATE_HARDLINK_FILE_FAILED,
- "link of %s -> %s"
- " failed on subvol %s", loc->name,
- uuid_utoa(loc->gfid),
- hashed_subvol->name);
- if (op_errno != EEXIST) {
- *fop_errno = op_errno;
- goto out;
- }
- } else {
- gf_msg_debug (this->name, 0, "syncop_link successful for"
- " hardlink %s on subvol %s, cached %s", loc->path,
- hashed_subvol->name, cached_subvol->name);
-
- }
+ hashed_subvol = linkto_subvol;
}
- ret = syncop_lookup (hashed_subvol, loc, &iatt, NULL, NULL, NULL);
+ ret = syncop_link(hashed_subvol, loc, loc, &iatt, NULL, NULL);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed :Failed lookup %s on %s ",
- loc->name, hashed_subvol->name);
-
- *fop_errno = -ret;
- ret = -1;
- goto out;
+ op_errno = -ret;
+ ret = -1;
+
+ loglevel = (op_errno == EEXIST) ? GF_LOG_DEBUG : GF_LOG_ERROR;
+ gf_msg(this->name, loglevel, op_errno,
+ DHT_MSG_MIGRATE_HARDLINK_FILE_FAILED,
+ "link of %s -> %s"
+ " failed on subvol %s",
+ loc->name, uuid_utoa(loc->gfid), hashed_subvol->name);
+ if (op_errno != EEXIST) {
+ *fop_errno = op_errno;
+ goto out;
+ }
+ } else {
+ gf_msg_debug(this->name, 0,
+ "syncop_link successful for"
+ " hardlink %s on subvol %s, cached %s",
+ loc->path, hashed_subvol->name, cached_subvol->name);
}
+ }
- /* There is a race where on the target subvol for the hardlink
- * (note: hash subvol for the hardlink might differ from this), some
- * other client(non-rebalance) would have created a linkto file for that
- * hardlink as part of lookup. So let say there are 10 hardlinks, on the
- * 5th hardlink it self the hardlinks might have migrated. Now for
- * (6..10th) hardlinks the cached and target would be same as the file
- * has already migrated. Hence this check is needed */
- if (cached_subvol == hashed_subvol) {
- gf_msg_debug (this->name, 0, "source %s and destination %s "
- "for hardlink %s are same", cached_subvol->name,
- hashed_subvol->name, loc->path);
- ret = -2;
- goto out;
- }
+ ret = syncop_lookup(hashed_subvol, loc, &iatt, NULL, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed :Failed lookup %s on %s ", loc->name,
+ hashed_subvol->name);
- if (iatt.ia_nlink == stbuf.ia_nlink) {
- ret = dht_migrate_file (this, loc, cached_subvol, hashed_subvol,
- GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS,
- fop_errno);
- if (ret) {
- goto out;
- }
- }
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ /* There is a race where on the target subvol for the hardlink
+ * (note: hash subvol for the hardlink might differ from this), some
+ * other client(non-rebalance) would have created a linkto file for that
+ * hardlink as part of lookup. So let say there are 10 hardlinks, on the
+ * 5th hardlink it self the hardlinks might have migrated. Now for
+ * (6..10th) hardlinks the cached and target would be same as the file
+ * has already migrated. Hence this check is needed */
+ if (cached_subvol == hashed_subvol) {
+ gf_msg_debug(this->name, 0,
+ "source %s and destination %s "
+ "for hardlink %s are same",
+ cached_subvol->name, hashed_subvol->name, loc->path);
ret = -2;
+ goto out;
+ }
+
+ if (iatt.ia_nlink == stbuf.ia_nlink) {
+ ret = dht_migrate_file(this, loc, cached_subvol, hashed_subvol,
+ GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS, fop_errno);
+ if (ret) {
+ goto out;
+ }
+ }
+ ret = -2;
out:
- if (link_xattr)
- dict_unref (link_xattr);
+ if (link_xattr)
+ dict_unref(link_xattr);
- if (xattr_rsp)
- dict_unref (xattr_rsp);
+ if (xattr_rsp)
+ dict_unref(xattr_rsp);
- if (dict)
- dict_unref (dict);
+ if (dict)
+ dict_unref(dict);
- return ret;
+ return ret;
}
-
-
static int
-__check_file_has_hardlink (xlator_t *this, loc_t *loc,
- struct iatt *stbuf, dict_t *xattrs, int flags,
- gf_defrag_info_t *defrag, dht_conf_t *conf, int *fop_errno)
+__check_file_has_hardlink(xlator_t *this, loc_t *loc, struct iatt *stbuf,
+ dict_t *xattrs, int flags, gf_defrag_info_t *defrag,
+ dht_conf_t *conf, int *fop_errno)
{
- int ret = 0;
+ int ret = 0;
- if (flags == GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS) {
- ret = 0;
- return ret;
- }
- if (stbuf->ia_nlink > 1) {
- /* support for decomission */
- if (flags == GF_DHT_MIGRATE_HARDLINK) {
- synclock_lock (&conf->link_lock);
- ret = gf_defrag_handle_hardlink
- (this, loc, fop_errno);
- synclock_unlock (&conf->link_lock);
- /*
- Returning zero will force the file to be remigrated.
- Checkout gf_defrag_handle_hardlink for more information.
- */
- if (ret && ret != -2) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to migrate file with link",
- loc->path);
- }
- } else {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migration skipped for:"
- "%s: file has hardlinks", loc->path);
- *fop_errno = ENOTSUP;
- ret = 1;
- }
- }
+ if (flags == GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS) {
+ ret = 0;
+ return ret;
+ }
+ if (stbuf->ia_nlink > 1) {
+ /* support for decomission */
+ if (flags == GF_DHT_MIGRATE_HARDLINK) {
+ synclock_lock(&conf->link_lock);
+ ret = gf_defrag_handle_hardlink(this, loc, fop_errno);
+ synclock_unlock(&conf->link_lock);
+ /*
+ Returning zero will force the file to be remigrated.
+ Checkout gf_defrag_handle_hardlink for more information.
+ */
+ if (ret && ret != -2) {
+ gf_msg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to migrate file with link",
+ loc->path);
+ }
+ } else {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migration skipped for:"
+ "%s: file has hardlinks",
+ loc->path);
+ *fop_errno = ENOTSUP;
+ ret = 1;
+ }
+ }
- return ret;
+ return ret;
}
-
/*
return values
0 : File will be migrated
@@ -620,964 +504,963 @@ __check_file_has_hardlink (xlator_t *this, loc_t *loc,
-1 : failure
*/
static int
-__is_file_migratable (xlator_t *this, loc_t *loc,
- struct iatt *stbuf, dict_t *xattrs, int flags,
- gf_defrag_info_t *defrag, dht_conf_t *conf,
- int *fop_errno)
+__is_file_migratable(xlator_t *this, loc_t *loc, struct iatt *stbuf,
+ dict_t *xattrs, int flags, gf_defrag_info_t *defrag,
+ dht_conf_t *conf, int *fop_errno)
{
- int ret = -1;
- int lock_count = 0;
-
- if (IA_ISDIR (stbuf->ia_type)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: migrate-file called on directory", loc->path);
- *fop_errno = EISDIR;
- ret = -1;
- goto out;
- }
-
- if (!conf->lock_migration_enabled) {
- ret = dict_get_int32 (xattrs, GLUSTERFS_POSIXLK_COUNT,
- &lock_count);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: Unable to get lock count for file",
- loc->path);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- if (lock_count) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed: %s: File has locks."
- " Skipping file migration", loc->path);
- *fop_errno = ENOTSUP;
- ret = 1;
- goto out;
- }
- }
+ int ret = -1;
+ int lock_count = 0;
+
+ if (IA_ISDIR(stbuf->ia_type)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: migrate-file called on directory",
+ loc->path);
+ *fop_errno = EISDIR;
+ ret = -1;
+ goto out;
+ }
- /* Check if file has hardlink*/
- ret = __check_file_has_hardlink (this, loc, stbuf, xattrs,
- flags, defrag, conf, fop_errno);
+ if (!conf->lock_migration_enabled) {
+ ret = dict_get_int32(xattrs, GLUSTERFS_POSIXLK_COUNT, &lock_count);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: Unable to get lock count for file",
+ loc->path);
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+
+ if (lock_count) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed: %s: File has locks."
+ " Skipping file migration",
+ loc->path);
+ *fop_errno = ENOTSUP;
+ ret = 1;
+ goto out;
+ }
+ }
+
+ /* Check if file has hardlink*/
+ ret = __check_file_has_hardlink(this, loc, stbuf, xattrs, flags, defrag,
+ conf, fop_errno);
out:
- return ret;
+ return ret;
}
-
static int
-__dht_rebalance_create_dst_file (xlator_t *this, xlator_t *to, xlator_t *from,
- loc_t *loc, struct iatt *stbuf, fd_t **dst_fd,
- int *fop_errno)
+__dht_rebalance_create_dst_file(xlator_t *this, xlator_t *to, xlator_t *from,
+ loc_t *loc, struct iatt *stbuf, fd_t **dst_fd,
+ int *fop_errno, int file_has_holes)
{
- int ret = -1;
- int ret2 = -1;
- fd_t *fd = NULL;
- struct iatt new_stbuf = {0,};
- struct iatt check_stbuf= {0,};
- dht_conf_t *conf = NULL;
- dict_t *dict = NULL;
- dict_t *xdata = NULL;
-
- conf = this->private;
-
- dict = dict_new ();
- if (!dict) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "dictionary allocation failed for"
- "path:%s", loc->path);
- goto out;
- }
- ret = dict_set_gfuuid (dict, "gfid-req", stbuf->ia_gfid, true);
- if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: failed to set dictionary value: key = gfid-req",
- loc->path);
- goto out;
- }
-
- ret = dict_set_str (dict, conf->link_xattr_name, from->name);
- if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: failed to set dictionary value: key = %s ",
- loc->path, conf->link_xattr_name);
- goto out;
- }
-
- fd = fd_create (loc->inode, DHT_REBALANCE_PID);
- if (!fd) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: fd create failed (destination)",
- loc->path);
- goto out;
- }
-
- if (!!dht_is_tier_xlator (this)) {
- xdata = dict_new ();
- if (!xdata) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: dict_new failed)",
- loc->path);
- goto out;
- }
-
- ret = dict_set_int32 (xdata, GF_CLEAN_WRITE_PROTECTION, 1);
- if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: failed to set dictionary value: key = %s ",
- loc->path, GF_CLEAN_WRITE_PROTECTION);
- goto out;
- }
- }
-
- ret = syncop_lookup (to, loc, &new_stbuf, NULL, xdata, NULL);
- if (!ret) {
- /* File exits in the destination, check if gfid matches */
- if (gf_uuid_compare (stbuf->ia_gfid, new_stbuf.ia_gfid) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_GFID_MISMATCH,
- "file %s exists in %s with different gfid",
- loc->path, to->name);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
- }
- if ((ret < 0) && (-ret != ENOENT)) {
- /* File exists in destination, but not accessible */
- gf_msg (THIS->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to lookup file",
- loc->path);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- /* Create the destination with LINKFILE mode, and linkto xattr,
- if the linkfile already exists, just open the file */
- if (!ret) {
- /*
- * File already present, just open the file.
- */
- ret = syncop_open (to, loc, O_RDWR, fd, NULL, NULL);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to open %s on %s",
- loc->path, to->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
- } else {
- ret = syncop_create (to, loc, O_RDWR, DHT_LINKFILE_MODE, fd,
- &new_stbuf, dict, NULL);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to create %s on %s",
- loc->path, to->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- }
-
- fd_bind (fd);
+ int ret = -1;
+ int ret2 = -1;
+ fd_t *fd = NULL;
+ struct iatt new_stbuf = {
+ 0,
+ };
+ struct iatt check_stbuf = {
+ 0,
+ };
+ dht_conf_t *conf = NULL;
+ dict_t *dict = NULL;
+ dict_t *xdata = NULL;
+
+ conf = this->private;
+
+ dict = dict_new();
+ if (!dict) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "dictionary allocation failed for"
+ "path:%s",
+ loc->path);
+ goto out;
+ }
+ ret = dict_set_gfuuid(dict, "gfid-req", stbuf->ia_gfid, true);
+ if (ret) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "%s: failed to set dictionary value: key = gfid-req", loc->path);
+ goto out;
+ }
+
+ ret = dict_set_str(dict, conf->link_xattr_name, from->name);
+ if (ret) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "%s: failed to set dictionary value: key = %s ", loc->path,
+ conf->link_xattr_name);
+ goto out;
+ }
+
+ fd = fd_create(loc->inode, DHT_REBALANCE_PID);
+ if (!fd) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: fd create failed (destination)", loc->path);
+ goto out;
+ }
+
+ xdata = dict_new();
+ if (!xdata) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: dict_new failed)", loc->path);
+ goto out;
+ }
+
+ ret = dict_set_int32_sizen(xdata, GF_CLEAN_WRITE_PROTECTION, 1);
+ if (ret) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "%s: failed to set dictionary value: key = %s ", loc->path,
+ GF_CLEAN_WRITE_PROTECTION);
+ goto out;
+ }
+
+ ret = syncop_lookup(to, loc, &new_stbuf, NULL, xdata, NULL);
+ if (!ret) {
+ /* File exits in the destination, check if gfid matches */
+ if (gf_uuid_compare(stbuf->ia_gfid, new_stbuf.ia_gfid) != 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_GFID_MISMATCH,
+ "file %s exists in %s with different gfid", loc->path,
+ to->name);
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+ }
+ if ((ret < 0) && (-ret != ENOENT)) {
+ /* File exists in destination, but not accessible */
+ gf_msg(THIS->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to lookup file", loc->path);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
- /*Reason of doing lookup after create again:
- *In the create, there is some time-gap between opening fd at the
- *server (posix_layer) and binding it in server (incrementing fd count),
- *so if in that time-gap, if other process sends unlink considering it
- *as a linkto file, because inode->fd count will be 0, so file will be
- *unlinked at the backend. And because further operations are performed
- *on fd, so though migration will be done but will end with no file
- *at the backend.
+ /* Create the destination with LINKFILE mode, and linkto xattr,
+ if the linkfile already exists, just open the file */
+ if (!ret) {
+ /*
+ * File already present, just open the file.
*/
-
- ret = syncop_lookup (to, loc, &check_stbuf, NULL, NULL, NULL);
- if (!ret) {
-
- if (gf_uuid_compare (stbuf->ia_gfid, check_stbuf.ia_gfid) != 0) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_GFID_MISMATCH,
- "file %s exists in %s with different gfid,"
- "found in lookup after create",
- loc->path, to->name);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- }
-
- if (-ret == ENOENT) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED, "%s: file does not exist"
- "on %s", loc->path, to->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- ret = syncop_fsetattr (to, fd, stbuf,
- (GF_SET_ATTR_UID | GF_SET_ATTR_GID),
- NULL, NULL, NULL, NULL);
+ ret = syncop_open(to, loc, O_RDWR, fd, NULL, NULL);
if (ret < 0) {
- *fop_errno = -ret;
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "chown failed for %s on %s",
- loc->path, to->name);
- }
-
- /* No need to bother about 0 byte size files */
- if (stbuf->ia_size > 0) {
- if (conf->use_fallocate) {
- ret = syncop_fallocate (to, fd, 0, 0, stbuf->ia_size,
- NULL, NULL);
- if (ret < 0) {
- if (ret == -EOPNOTSUPP || ret == -EINVAL ||
- ret == -ENOSYS) {
- conf->use_fallocate = _gf_false;
- } else {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "fallocate failed for %s on %s",
- loc->path, to->name);
-
- *fop_errno = -ret;
-
- /* fallocate does not release the space
- * in some cases
- */
- ret2 = syncop_ftruncate (to, fd, 0,
- NULL, NULL,
- NULL, NULL);
- if (ret2 < 0) {
- gf_msg (this->name,
- GF_LOG_WARNING, -ret2,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "ftruncate failed for "
- "%s on %s",
- loc->path, to->name);
- }
- goto out;
- }
- }
- }
-
- if (!conf->use_fallocate) {
- ret = syncop_ftruncate (to, fd, stbuf->ia_size, NULL,
- NULL, NULL, NULL);
- if (ret < 0) {
- *fop_errno = -ret;
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "ftruncate failed for %s on %s",
- loc->path, to->name);
- }
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to open %s on %s", loc->path, to->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+ } else {
+ ret = syncop_create(to, loc, O_RDWR, DHT_LINKFILE_MODE, fd, &new_stbuf,
+ dict, NULL);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to create %s on %s", loc->path, to->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+ }
+
+ fd_bind(fd);
+
+ /*Reason of doing lookup after create again:
+ *In the create, there is some time-gap between opening fd at the
+ *server (posix_layer) and binding it in server (incrementing fd count),
+ *so if in that time-gap, if other process sends unlink considering it
+ *as a linkto file, because inode->fd count will be 0, so file will be
+ *unlinked at the backend. And because further operations are performed
+ *on fd, so though migration will be done but will end with no file
+ *at the backend.
+ */
+
+ ret = syncop_lookup(to, loc, &check_stbuf, NULL, NULL, NULL);
+ if (!ret) {
+ if (gf_uuid_compare(stbuf->ia_gfid, check_stbuf.ia_gfid) != 0) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_GFID_MISMATCH,
+ "file %s exists in %s with different gfid,"
+ "found in lookup after create",
+ loc->path, to->name);
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+ }
+
+ if (-ret == ENOENT) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: file does not exist"
+ "on %s",
+ loc->path, to->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_fsetattr(to, fd, stbuf, (GF_SET_ATTR_UID | GF_SET_ATTR_GID),
+ NULL, NULL, NULL, NULL);
+ if (ret < 0) {
+ *fop_errno = -ret;
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "chown failed for %s on %s", loc->path, to->name);
+ }
+
+ /* No need to bother about 0 byte size files */
+ if (stbuf->ia_size > 0) {
+ if (conf->use_fallocate && !file_has_holes) {
+ ret = syncop_fallocate(to, fd, 0, 0, stbuf->ia_size, NULL, NULL);
+ if (ret < 0) {
+ if (ret == -EOPNOTSUPP || ret == -EINVAL || ret == -ENOSYS) {
+ conf->use_fallocate = _gf_false;
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "fallocate failed for %s on %s", loc->path,
+ to->name);
+
+ *fop_errno = -ret;
+
+ /* fallocate does not release the space
+ * in some cases
+ */
+ ret2 = syncop_ftruncate(to, fd, 0, NULL, NULL, NULL, NULL);
+ if (ret2 < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret2,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "ftruncate failed for "
+ "%s on %s",
+ loc->path, to->name);
+ }
+ goto out;
}
+ }
+ } else {
+ ret = syncop_ftruncate(to, fd, stbuf->ia_size, NULL, NULL, NULL,
+ NULL);
+ if (ret < 0) {
+ *fop_errno = -ret;
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "ftruncate failed for %s on %s", loc->path, to->name);
+ }
}
+ }
- /* success */
- ret = 0;
+ /* success */
+ ret = 0;
- if (dst_fd)
- *dst_fd = fd;
+ if (dst_fd)
+ *dst_fd = fd;
out:
- if (ret) {
- if (fd) {
- fd_unref (fd);
- }
+ if (ret) {
+ if (fd) {
+ fd_unref(fd);
}
- if (dict)
- dict_unref (dict);
+ }
+ if (dict)
+ dict_unref(dict);
- if (xdata)
- dict_unref (dict);
+ if (xdata)
+ dict_unref(xdata);
-
- return ret;
+ return ret;
}
static int
-__dht_check_free_space (xlator_t *this, xlator_t *to, xlator_t *from,
- loc_t *loc, struct iatt *stbuf, int flag,
- dht_conf_t *conf, gf_boolean_t *target_changed,
- xlator_t **new_subvol, int *fop_errno)
+__dht_check_free_space(xlator_t *this, xlator_t *to, xlator_t *from, loc_t *loc,
+ struct iatt *stbuf, int flag, dht_conf_t *conf,
+ gf_boolean_t *target_changed, xlator_t **new_subvol,
+ int *fop_errno)
{
- struct statvfs src_statfs = {0,};
- struct statvfs dst_statfs = {0,};
- int ret = -1;
- dict_t *xdata = NULL;
- dht_layout_t *layout = NULL;
- uint64_t src_statfs_blocks = 1;
- uint64_t dst_statfs_blocks = 1;
- double dst_post_availspacepercent = 0;
- double src_post_availspacepercent = 0;
- uint64_t file_blocks = 0;
- uint64_t src_total_blocks = 0;
- uint64_t dst_total_blocks = 0;
-
- xdata = dict_new ();
- if (!xdata) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY,
- "failed to allocate dictionary");
- goto out;
- }
-
- ret = dict_set_int8 (xdata, GF_INTERNAL_IGNORE_DEEM_STATFS, 1);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to set "
- GF_INTERNAL_IGNORE_DEEM_STATFS" in dict");
- ret = -1;
- *fop_errno = ENOMEM;
- goto out;
- }
-
- ret = syncop_statfs (from, loc, &src_statfs, xdata, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to get statfs of %s on %s",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- ret = syncop_statfs (to, loc, &dst_statfs, xdata, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to get statfs of %s on %s",
- loc->path, to->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- gf_msg_debug (this->name, 0, "min_free_disk - %f , block available - "
- "%lu , block size - %lu ", conf->min_free_disk,
- dst_statfs.f_bavail, dst_statfs.f_bsize);
-
- dst_statfs_blocks = dst_statfs.f_bavail *
- (dst_statfs.f_frsize /
- GF_DISK_SECTOR_SIZE);
-
- src_statfs_blocks = src_statfs.f_bavail *
- (src_statfs.f_frsize /
- GF_DISK_SECTOR_SIZE);
-
- dst_total_blocks = dst_statfs.f_blocks *
- (dst_statfs.f_frsize /
- GF_DISK_SECTOR_SIZE);
-
- src_total_blocks = src_statfs.f_blocks *
- (src_statfs.f_frsize /
- GF_DISK_SECTOR_SIZE);
-
- /* if force option is given, do not check for space @ dst.
- * Check only if space is avail for the file */
- if (flag != GF_DHT_MIGRATE_DATA)
- goto check_avail_space;
-
- /* Check:
- During rebalance `migrate-data` - Destination subvol experiences
- a `reduction` in 'blocks' of free space, at the same time source
- subvol gains certain 'blocks' of free space. A valid check is
- necessary here to avoid erroneous move to destination where
- the space could be scantily available.
- With heterogeneous brick support, an actual space comparison could
- prevent any files being migrated to newly added bricks if they are
- smaller then the free space available on the existing bricks.
- */
- if (stbuf) {
- if (!conf->use_fallocate) {
- file_blocks = stbuf->ia_size + GF_DISK_SECTOR_SIZE - 1;
- file_blocks /= GF_DISK_SECTOR_SIZE;
-
- if (file_blocks >= dst_statfs_blocks) {
- dst_statfs_blocks = 0;
- } else {
- dst_statfs_blocks -= file_blocks;
- }
- }
-
- src_post_availspacepercent =
- ((src_statfs_blocks + file_blocks) * 100) / src_total_blocks;
-
- dst_post_availspacepercent =
- (dst_statfs_blocks * 100) / dst_total_blocks;
-
- if (dst_post_availspacepercent < src_post_availspacepercent) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "data movement of file "
- "{blocks:%"PRIu64" name:(%s)} would result in "
- "dst node (%s:%"PRIu64") having lower disk "
- "space than the source node (%s:%"PRIu64")"
- ".Skipping file.", stbuf->ia_blocks, loc->path,
- to->name, dst_statfs_blocks, from->name,
- src_statfs_blocks);
-
- /* this is not a 'failure', but we don't want to
- consider this as 'success' too :-/ */
- *fop_errno = ENOSPC;
- ret = 1;
- goto out;
- }
- }
+ struct statvfs src_statfs = {
+ 0,
+ };
+ struct statvfs dst_statfs = {
+ 0,
+ };
+ int ret = -1;
+ dict_t *xdata = NULL;
+ dht_layout_t *layout = NULL;
+ uint64_t src_statfs_blocks = 1;
+ uint64_t dst_statfs_blocks = 1;
+ double dst_post_availspacepercent = 0;
+ double src_post_availspacepercent = 0;
+ uint64_t file_blocks = 0;
+ uint64_t src_total_blocks = 0;
+ uint64_t dst_total_blocks = 0;
+
+ xdata = dict_new();
+ if (!xdata) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "failed to allocate dictionary");
+ goto out;
+ }
+
+ ret = dict_set_int8(xdata, GF_INTERNAL_IGNORE_DEEM_STATFS, 1);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "Failed to set " GF_INTERNAL_IGNORE_DEEM_STATFS " in dict");
+ ret = -1;
+ *fop_errno = ENOMEM;
+ goto out;
+ }
+
+ ret = syncop_statfs(from, loc, &src_statfs, xdata, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to get statfs of %s on %s", loc->path, from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_statfs(to, loc, &dst_statfs, xdata, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to get statfs of %s on %s", loc->path, to->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ gf_msg_debug(this->name, 0,
+ "min_free_disk - %f , block available - %" PRId64
+ ", block size - %lu",
+ conf->min_free_disk, dst_statfs.f_bavail, dst_statfs.f_bsize);
+
+ dst_statfs_blocks = dst_statfs.f_bavail *
+ (dst_statfs.f_frsize / GF_DISK_SECTOR_SIZE);
+
+ src_statfs_blocks = src_statfs.f_bavail *
+ (src_statfs.f_frsize / GF_DISK_SECTOR_SIZE);
+
+ dst_total_blocks = dst_statfs.f_blocks *
+ (dst_statfs.f_frsize / GF_DISK_SECTOR_SIZE);
+
+ src_total_blocks = src_statfs.f_blocks *
+ (src_statfs.f_frsize / GF_DISK_SECTOR_SIZE);
+
+ /* if force option is given, do not check for space @ dst.
+ * Check only if space is avail for the file */
+ if (flag != GF_DHT_MIGRATE_DATA)
+ goto check_avail_space;
+
+ /* Check:
+ During rebalance `migrate-data` - Destination subvol experiences
+ a `reduction` in 'blocks' of free space, at the same time source
+ subvol gains certain 'blocks' of free space. A valid check is
+ necessary here to avoid erroneous move to destination where
+ the space could be scantily available.
+ With heterogeneous brick support, an actual space comparison could
+ prevent any files being migrated to newly added bricks if they are
+ smaller then the free space available on the existing bricks.
+ */
+ if (!conf->use_fallocate) {
+ file_blocks = stbuf->ia_size + GF_DISK_SECTOR_SIZE - 1;
+ file_blocks /= GF_DISK_SECTOR_SIZE;
+
+ if (file_blocks >= dst_statfs_blocks) {
+ dst_statfs_blocks = 0;
+ } else {
+ dst_statfs_blocks -= file_blocks;
+ }
+ }
+
+ src_post_availspacepercent = ((src_statfs_blocks + file_blocks) * 100) /
+ src_total_blocks;
+
+ dst_post_availspacepercent = (dst_statfs_blocks * 100) / dst_total_blocks;
+
+ if (dst_post_availspacepercent < src_post_availspacepercent) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "data movement of file "
+ "{blocks:%" PRIu64
+ " name:(%s)} would result in "
+ "dst node (%s:%" PRIu64
+ ") having lower disk "
+ "space than the source node (%s:%" PRIu64
+ ")"
+ ".Skipping file.",
+ stbuf->ia_blocks, loc->path, to->name, dst_statfs_blocks,
+ from->name, src_statfs_blocks);
+
+ /* this is not a 'failure', but we don't want to
+ consider this as 'success' too :-/ */
+ *fop_errno = ENOSPC;
+ ret = 1;
+ goto out;
+ }
check_avail_space:
- if (conf->disk_unit == 'p' && dst_statfs.f_blocks) {
- dst_post_availspacepercent =
- (dst_statfs_blocks * 100) / dst_total_blocks;
-
- gf_msg_debug (this->name, 0, "file : %s, post_availspacepercent"
- " : %lf f_bavail : %lu min-free-disk: %lf",
- loc->path, dst_post_availspacepercent,
- dst_statfs.f_bavail, conf->min_free_disk);
-
- if (dst_post_availspacepercent < conf->min_free_disk) {
- gf_msg (this->name, GF_LOG_WARNING, 0, 0,
- "Write will cross min-free-disk for "
- "file - %s on subvol - %s. Looking "
- "for new subvol", loc->path, to->name);
-
- goto find_new_subvol;
- } else {
- ret = 0;
- goto out;
- }
+ if (conf->disk_unit == 'p' && dst_statfs.f_blocks) {
+ dst_post_availspacepercent = (dst_statfs_blocks * 100) /
+ dst_total_blocks;
+
+ gf_msg_debug(this->name, 0,
+ "file : %s, post_availspacepercent"
+ " : %lf f_bavail : %" PRIu64 " min-free-disk: %lf",
+ loc->path, dst_post_availspacepercent, dst_statfs.f_bavail,
+ conf->min_free_disk);
+
+ if (dst_post_availspacepercent < conf->min_free_disk) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, 0,
+ "Write will cross min-free-disk for "
+ "file - %s on subvol - %s. Looking "
+ "for new subvol",
+ loc->path, to->name);
+
+ goto find_new_subvol;
+ } else {
+ ret = 0;
+ goto out;
}
+ }
- if (conf->disk_unit != 'p') {
- if ((dst_statfs_blocks * GF_DISK_SECTOR_SIZE) <
- conf->min_free_disk) {
- gf_msg_debug (this->name, 0, "file : %s, destination "
- "frsize: %lu f_bavail : %lu "
- "min-free-disk: %lf", loc->path,
- dst_statfs.f_frsize, dst_statfs.f_bavail,
- conf->min_free_disk);
+ if (conf->disk_unit != 'p') {
+ if ((dst_statfs_blocks * GF_DISK_SECTOR_SIZE) < conf->min_free_disk) {
+ gf_msg_debug(this->name, 0,
+ "file : %s, destination frsize: %lu "
+ "f_bavail : %" PRIu64 " min-free-disk: %lf",
+ loc->path, dst_statfs.f_frsize, dst_statfs.f_bavail,
+ conf->min_free_disk);
- gf_msg (this->name, GF_LOG_WARNING, 0, 0, "write will"
- " cross min-free-disk for file - %s on subvol -"
- " %s. looking for new subvol", loc->path,
- to->name);
+ gf_msg(this->name, GF_LOG_WARNING, 0, 0,
+ "write will"
+ " cross min-free-disk for file - %s on subvol -"
+ " %s. looking for new subvol",
+ loc->path, to->name);
- goto find_new_subvol;
+ goto find_new_subvol;
- } else {
- ret = 0;
- goto out;
- }
+ } else {
+ ret = 0;
+ goto out;
}
+ }
find_new_subvol:
- layout = dht_layout_get (this, loc->parent);
- if (!layout) {
- gf_log (this->name, GF_LOG_ERROR, "Layout is NULL");
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- *new_subvol = dht_subvol_with_free_space_inodes (this, to, from, layout,
- stbuf->ia_size);
- if ((!(*new_subvol)) || (*new_subvol == from)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_SUBVOL_INSUFF_SPACE, "Could not find any subvol"
- " with space accommodating the file - %s. Consider "
- "adding bricks", loc->path);
-
- *target_changed = _gf_false;
- *fop_errno = ENOSPC;
- ret = -1;
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0, 0, "new target found - %s"
- " for file - %s", (*new_subvol)->name, loc->path);
- *target_changed = _gf_true;
- ret = 0;
- }
+ layout = dht_layout_get(this, loc->parent);
+ if (!layout) {
+ gf_log(this->name, GF_LOG_ERROR, "Layout is NULL");
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+
+ *new_subvol = dht_subvol_with_free_space_inodes(this, to, from, layout,
+ stbuf->ia_size);
+ if ((!(*new_subvol)) || (*new_subvol == from)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_SUBVOL_INSUFF_SPACE,
+ "Could not find any subvol"
+ " with space accommodating the file - %s. Consider "
+ "adding bricks",
+ loc->path);
+
+ *target_changed = _gf_false;
+ *fop_errno = ENOSPC;
+ ret = -1;
+ } else {
+ gf_msg(this->name, GF_LOG_INFO, 0, 0,
+ "new target found - %s"
+ " for file - %s",
+ (*new_subvol)->name, loc->path);
+ *target_changed = _gf_true;
+ ret = 0;
+ }
out:
- if (xdata)
- dict_unref (xdata);
- return ret;
+ if (xdata)
+ dict_unref(xdata);
+ return ret;
}
static int
-__dht_rebalance_migrate_data (xlator_t *this, gf_defrag_info_t *defrag,
- xlator_t *from, xlator_t *to, fd_t *src,
- fd_t *dst, uint64_t ia_size, int hole_exists,
- int *fop_errno)
+__dht_rebalance_migrate_data(xlator_t *this, gf_defrag_info_t *defrag,
+ xlator_t *from, xlator_t *to, fd_t *src, fd_t *dst,
+ uint64_t ia_size, int hole_exists, int *fop_errno)
{
- int ret = 0;
- int count = 0;
- off_t offset = 0;
- struct iovec *vector = NULL;
- struct iobref *iobref = NULL;
- uint64_t total = 0;
- size_t read_size = 0;
- dict_t *xdata = NULL;
- dht_conf_t *conf = NULL;
-
- conf = this->private;
- /* if file size is '0', no need to enter this loop */
- while (total < ia_size) {
- read_size = (((ia_size - total) > DHT_REBALANCE_BLKSIZE) ?
- DHT_REBALANCE_BLKSIZE : (ia_size - total));
-
- ret = syncop_readv (from, src, read_size,
- offset, 0, &vector, &count, &iobref, NULL,
- NULL, NULL);
- if (!ret || (ret < 0)) {
- *fop_errno = -ret;
- break;
- }
-
- if (hole_exists) {
- ret = dht_write_with_holes (to, dst, vector, count,
- ret, offset, iobref,
- fop_errno);
- } else {
- if (!conf->force_migration &&
- !dht_is_tier_xlator (this)) {
- xdata = dict_new ();
- if (!xdata) {
- gf_msg ("dht", GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "insufficient memory");
- ret = -1;
- *fop_errno = ENOMEM;
- break;
- }
-
- /* Fail this write and abort rebalance if we
- * detect a write from client since migration of
- * this file started. This is done to avoid
- * potential data corruption due to out of order
- * writes from rebalance and client to the same
- * region (as compared between src and dst
- * files). See
- * https://github.com/gluster/glusterfs/issues/308
- * for more details.
- */
- ret = dict_set_int32 (xdata,
- GF_AVOID_OVERWRITE, 1);
- if (ret) {
- gf_msg ("dht", GF_LOG_ERROR, 0,
- ENOMEM, "failed to set dict");
- ret = -1;
- *fop_errno = ENOMEM;
- break;
- }
-
- }
+ int ret = 0;
+ int count = 0;
+ off_t offset = 0;
+ off_t data_offset = 0;
+ off_t hole_offset = 0;
+ struct iovec *vector = NULL;
+ struct iobref *iobref = NULL;
+ uint64_t total = 0;
+ size_t read_size = 0;
+ size_t data_block_size = 0;
+ dict_t *xdata = NULL;
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+
+ /* if file size is '0', no need to enter this loop */
+ while (total < ia_size) {
+ /* This is a regular file - read it sequentially */
+ if (!hole_exists) {
+ read_size = (((ia_size - total) > DHT_REBALANCE_BLKSIZE)
+ ? DHT_REBALANCE_BLKSIZE
+ : (ia_size - total));
+ } else {
+ /* This is a sparse file - read only the data segments in the file
+ */
+
+ /* If the previous data block is fully copied, find the next data
+ * segment
+ * starting at the offset of the last read and written byte, */
+ if (data_block_size <= 0) {
+ ret = syncop_seek(from, src, offset, GF_SEEK_DATA, NULL,
+ &data_offset);
+ if (ret) {
+ if (ret == -ENXIO)
+ ret = 0; /* No more data segments */
+ else
+ *fop_errno = -ret; /* Error occurred */
- ret = syncop_writev (to, dst, vector, count,
- offset, iobref, 0, NULL, NULL,
- xdata, NULL);
- if (ret < 0) {
- *fop_errno = -ret;
- }
+ break;
}
- if ((defrag && defrag->cmd == GF_DEFRAG_CMD_START_TIER) &&
- (gf_defrag_get_pause_state (&defrag->tier_conf) != TIER_RUNNING)) {
- gf_msg ("tier", GF_LOG_INFO, 0,
- DHT_MSG_TIER_PAUSED,
- "Migrate file paused");
- ret = -1;
- }
-
- if (ret < 0) {
+ /* If the position of the current data segment is greater than
+ * the position of the next hole, find the next hole in order to
+ * calculate the length of the new data segment */
+ if (data_offset > hole_offset) {
+ /* Starting at the offset of the last data segment, find the
+ * next hole */
+ ret = syncop_seek(from, src, data_offset, GF_SEEK_HOLE,
+ NULL, &hole_offset);
+ if (ret) {
+ /* If an error occurred here it's a real error because
+ * if the seek for a data segment was successful then
+ * necessarily another hole must exist (EOF is a hole)
+ */
+ *fop_errno = -ret;
break;
- }
-
- offset += ret;
- total += ret;
+ }
- GF_FREE (vector);
- if (iobref)
- iobref_unref (iobref);
- iobref = NULL;
- vector = NULL;
- }
- if (iobref)
- iobref_unref (iobref);
- GF_FREE (vector);
-
- if (ret >= 0)
- ret = 0;
- else
+ /* Calculate the total size of the current data block */
+ data_block_size = hole_offset - data_offset;
+ }
+ } else {
+ /* There is still data in the current segment, move the
+ * data_offset to the position of the last written byte */
+ data_offset = offset;
+ }
+
+ /* Calculate how much data needs to be read and written. If the data
+ * segment's length is bigger than DHT_REBALANCE_BLKSIZE, read and
+ * write DHT_REBALANCE_BLKSIZE data length and the rest in the
+ * next iteration(s) */
+ read_size = ((data_block_size > DHT_REBALANCE_BLKSIZE)
+ ? DHT_REBALANCE_BLKSIZE
+ : data_block_size);
+
+ /* Calculate the remaining size of the data block - maybe there's no
+ * need to seek for data in the next iteration */
+ data_block_size -= read_size;
+
+ /* Set offset to the offset of the data segment so read and write
+ * will have the correct position */
+ offset = data_offset;
+ }
+
+ ret = syncop_readv(from, src, read_size, offset, 0, &vector, &count,
+ &iobref, NULL, NULL, NULL);
+
+ if (!ret || (ret < 0)) {
+ if (!ret) {
+ /* File was probably truncated*/
ret = -1;
-
- if (xdata) {
- dict_unref (xdata);
+ *fop_errno = ENOSPC;
+ } else {
+ *fop_errno = -ret;
+ }
+ break;
}
- return ret;
-}
-
-
-static int
-__dht_rebalance_open_src_file (xlator_t *this, xlator_t *from, xlator_t *to, loc_t *loc,
- struct iatt *stbuf, fd_t **src_fd,
- gf_boolean_t *clean_src, int *fop_errno)
-{
-
- int ret = 0;
- fd_t *fd = NULL;
- dict_t *dict = NULL;
- struct iatt iatt = {0,};
- dht_conf_t *conf = NULL;
-
- conf = this->private;
-
- *clean_src = _gf_false;
+ if (!conf->force_migration) {
+ if (!xdata) {
+ xdata = dict_new();
+ if (!xdata) {
+ gf_msg("dht", GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "insufficient memory");
+ ret = -1;
+ *fop_errno = ENOMEM;
+ break;
+ }
- fd = fd_create (loc->inode, DHT_REBALANCE_PID);
- if (!fd) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: fd create failed (source)", loc->path);
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
+ /* Fail this write and abort rebalance if we
+ * detect a write from client since migration of
+ * this file started. This is done to avoid
+ * potential data corruption due to out of order
+ * writes from rebalance and client to the same
+ * region (as compared between src and dst
+ * files). See
+ * https://github.com/gluster/glusterfs/issues/308
+ * for more details.
+ */
+ ret = dict_set_int32_sizen(xdata, GF_AVOID_OVERWRITE, 1);
+ if (ret) {
+ gf_msg("dht", GF_LOG_ERROR, 0, ENOMEM,
+ "failed to set dict");
+ ret = -1;
+ *fop_errno = ENOMEM;
+ break;
+ }
+ }
}
- ret = syncop_open (from, loc, O_RDWR, fd, NULL, NULL);
+ ret = syncop_writev(to, dst, vector, count, offset, iobref, 0, NULL,
+ NULL, xdata, NULL);
if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to open file %s on %s",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
+ *fop_errno = -ret;
+ break;
}
- fd_bind (fd);
-
- if (src_fd)
- *src_fd = fd;
+ offset += ret;
+ total += ret;
+ GF_FREE(vector);
+ if (iobref)
+ iobref_unref(iobref);
+ iobref = NULL;
+ vector = NULL;
+ }
+ if (iobref)
+ iobref_unref(iobref);
+ GF_FREE(vector);
+
+ if (ret >= 0)
+ ret = 0;
+ else
ret = -1;
- dict = dict_new ();
- if (!dict) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: Could not allocate memory for dict", loc->path);
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
- ret = dict_set_str (dict, conf->link_xattr_name, to->name);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to set xattr in dict for %s (linkto:%s)",
- loc->path, to->name);
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
+ if (xdata) {
+ dict_unref(xdata);
+ }
- /* Once the migration starts, the source should have 'linkto' key set
- to show which is the target, so other clients can work around it */
- ret = syncop_setxattr (from, loc, dict, 0, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to set xattr on %s in %s",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
+ return ret;
+}
+
+static int
+__dht_rebalance_open_src_file(xlator_t *this, xlator_t *from, xlator_t *to,
+ loc_t *loc, struct iatt *stbuf, fd_t **src_fd,
+ gf_boolean_t *clean_src, int *fop_errno)
+{
+ int ret = 0;
+ fd_t *fd = NULL;
+ dict_t *dict = NULL;
+ struct iatt iatt = {
+ 0,
+ };
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+
+ *clean_src = _gf_false;
+
+ fd = fd_create(loc->inode, DHT_REBALANCE_PID);
+ if (!fd) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: fd create failed (source)", loc->path);
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_open(from, loc, O_RDWR, fd, NULL, NULL);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to open file %s on %s", loc->path, from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
- /* Reset source mode/xattr if migration fails*/
- *clean_src = _gf_true;
+ fd_bind(fd);
- /* mode should be (+S+T) to indicate migration is in progress */
- iatt.ia_prot = stbuf->ia_prot;
- iatt.ia_type = stbuf->ia_type;
- iatt.ia_prot.sticky = 1;
- iatt.ia_prot.sgid = 1;
+ if (src_fd)
+ *src_fd = fd;
- ret = syncop_setattr (from, loc, &iatt, GF_SET_ATTR_MODE, NULL, NULL,
- NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to set mode on %s in %s",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
+ ret = -1;
+ dict = dict_new();
+ if (!dict) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: Could not allocate memory for dict", loc->path);
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ ret = dict_set_str(dict, conf->link_xattr_name, to->name);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "failed to set xattr in dict for %s (linkto:%s)", loc->path,
+ to->name);
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ /* Once the migration starts, the source should have 'linkto' key set
+ to show which is the target, so other clients can work around it */
+ ret = syncop_setxattr(from, loc, dict, 0, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to set xattr on %s in %s", loc->path, from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ /* Reset source mode/xattr if migration fails*/
+ *clean_src = _gf_true;
+
+ /* mode should be (+S+T) to indicate migration is in progress */
+ iatt.ia_prot = stbuf->ia_prot;
+ iatt.ia_type = stbuf->ia_type;
+ iatt.ia_prot.sticky = 1;
+ iatt.ia_prot.sgid = 1;
+
+ ret = syncop_setattr(from, loc, &iatt, GF_SET_ATTR_MODE, NULL, NULL, NULL,
+ NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to set mode on %s in %s", loc->path, from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
- /* success */
- ret = 0;
+ /* success */
+ ret = 0;
out:
- if (dict)
- dict_unref (dict);
+ if (dict)
+ dict_unref(dict);
- return ret;
+ return ret;
}
int
-migrate_special_files (xlator_t *this, xlator_t *from, xlator_t *to, loc_t *loc,
- struct iatt *buf, int *fop_errno)
+migrate_special_files(xlator_t *this, xlator_t *from, xlator_t *to, loc_t *loc,
+ struct iatt *buf, int *fop_errno)
{
- int ret = -1;
- dict_t *rsp_dict = NULL;
- dict_t *dict = NULL;
- char *link = NULL;
- struct iatt stbuf = {0,};
- dht_conf_t *conf = this->private;
-
- dict = dict_new ();
- if (!dict) {
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
- ret = dict_set_int32 (dict, conf->link_xattr_name, 256);
- if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_log (this->name, GF_LOG_ERROR,
- "%s: failed to set 'linkto' key in dict", loc->path);
- goto out;
- }
-
- /* check in the destination if the file is link file */
- ret = syncop_lookup (to, loc, &stbuf, NULL, dict, &rsp_dict);
- if ((ret < 0) && (-ret != ENOENT)) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: lookup failed",
- loc->path);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- /* we no more require this key */
- dict_del (dict, conf->link_xattr_name);
-
- /* file exists in target node, only if it is 'linkfile' its valid,
- otherwise, error out */
- if (!ret) {
- if (!check_is_linkfile (loc->inode, &stbuf, rsp_dict,
- conf->link_xattr_name)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: file exists in destination", loc->path);
- *fop_errno = EINVAL;
- ret = -1;
- goto out;
- }
-
- /* as file is linkfile, delete it */
- ret = syncop_unlink (to, loc, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to delete the linkfile",
- loc->path);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
- }
-
- /* Set the gfid of the source file in dict */
- ret = dict_set_gfuuid (dict, "gfid-req", buf->ia_gfid, true);
+ int ret = -1;
+ dict_t *rsp_dict = NULL;
+ dict_t *dict = NULL;
+ char *link = NULL;
+ struct iatt stbuf = {
+ 0,
+ };
+ dht_conf_t *conf = this->private;
+
+ dict = dict_new();
+ if (!dict) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+ ret = dict_set_int32(dict, conf->link_xattr_name, 256);
+ if (ret) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_log(this->name, GF_LOG_ERROR,
+ "%s: failed to set 'linkto' key in dict", loc->path);
+ goto out;
+ }
+
+ /* check in the destination if the file is link file */
+ ret = syncop_lookup(to, loc, &stbuf, NULL, dict, &rsp_dict);
+ if ((ret < 0) && (-ret != ENOENT)) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: lookup failed", loc->path);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ /* we no more require this key */
+ dict_del(dict, conf->link_xattr_name);
+
+ /* file exists in target node, only if it is 'linkfile' its valid,
+ otherwise, error out */
+ if (!ret) {
+ if (!check_is_linkfile(loc->inode, &stbuf, rsp_dict,
+ conf->link_xattr_name)) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: file exists in destination", loc->path);
+ *fop_errno = EINVAL;
+ ret = -1;
+ goto out;
+ }
+
+ /* as file is linkfile, delete it */
+ ret = syncop_unlink(to, loc, NULL, NULL);
if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_log (this->name, GF_LOG_ERROR,
- "%s: failed to set gfid in dict for create", loc->path);
- goto out;
- }
-
- /* Create the file in target */
- if (IA_ISLNK (buf->ia_type)) {
- /* Handle symlinks separately */
- ret = syncop_readlink (from, loc, &link, buf->ia_size, NULL,
- NULL);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: readlink on symlink failed",
- loc->path);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- ret = syncop_symlink (to, loc, link, 0, dict, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: creating symlink failed",
- loc->path);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- goto done;
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to delete the linkfile", loc->path);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+ }
+
+ /* Set the gfid of the source file in dict */
+ ret = dict_set_gfuuid(dict, "gfid-req", buf->ia_gfid, true);
+ if (ret) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_log(this->name, GF_LOG_ERROR,
+ "%s: failed to set gfid in dict for create", loc->path);
+ goto out;
+ }
+
+ /* Create the file in target */
+ if (IA_ISLNK(buf->ia_type)) {
+ /* Handle symlinks separately */
+ ret = syncop_readlink(from, loc, &link, buf->ia_size, NULL, NULL);
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: readlink on symlink failed", loc->path);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
}
- ret = syncop_mknod (to, loc, st_mode_from_ia (buf->ia_prot,
- buf->ia_type),
- makedev (ia_major (buf->ia_rdev),
- ia_minor (buf->ia_rdev)), 0, dict, NULL);
+ ret = syncop_symlink(to, loc, link, 0, dict, NULL);
if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: mknod failed",
- loc->path);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED, "%s: creating symlink failed",
+ loc->path);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ goto done;
+ }
+
+ ret = syncop_mknod(to, loc, st_mode_from_ia(buf->ia_prot, buf->ia_type),
+ makedev(ia_major(buf->ia_rdev), ia_minor(buf->ia_rdev)),
+ 0, dict, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: mknod failed", loc->path);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
done:
- ret = syncop_setattr (to, loc, buf,
- (GF_SET_ATTR_MTIME |
- GF_SET_ATTR_UID | GF_SET_ATTR_GID |
- GF_SET_ATTR_MODE), NULL, NULL, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to perform setattr on %s",
- loc->path, to->name);
- *fop_errno = -ret;
- }
-
- ret = syncop_unlink (from, loc, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: unlink failed",
- loc->path);
- *fop_errno = -ret;
- ret = -1;
- }
+ ret = syncop_setattr(to, loc, buf,
+ (GF_SET_ATTR_MTIME | GF_SET_ATTR_UID |
+ GF_SET_ATTR_GID | GF_SET_ATTR_MODE),
+ NULL, NULL, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to perform setattr on %s", loc->path, to->name);
+ *fop_errno = -ret;
+ }
+
+ ret = syncop_unlink(from, loc, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: unlink failed", loc->path);
+ *fop_errno = -ret;
+ ret = -1;
+ }
out:
- GF_FREE (link);
- if (dict)
- dict_unref (dict);
+ GF_FREE(link);
+ if (dict)
+ dict_unref(dict);
- if (rsp_dict)
- dict_unref (rsp_dict);
+ if (rsp_dict)
+ dict_unref(rsp_dict);
- return ret;
+ return ret;
}
static int
-__dht_migration_cleanup_src_file (xlator_t *this, loc_t *loc, fd_t *fd,
- xlator_t *from, ia_prot_t *src_ia_prot)
+__dht_migration_cleanup_src_file(xlator_t *this, loc_t *loc, fd_t *fd,
+ xlator_t *from, ia_prot_t *src_ia_prot)
{
- int ret = -1;
- dht_conf_t *conf = NULL;
- struct iatt new_stbuf = {0,};
-
- if (!this || !fd || !from || !src_ia_prot) {
- goto out;
- }
-
- conf = this->private;
-
- /*Revert source mode and xattr changes*/
- ret = syncop_fstat (from, fd, &new_stbuf, NULL, NULL);
- if (ret < 0) {
- /* Failed to get the stat info */
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file cleanup failed: failed to fstat "
- "file %s on %s ", loc->path, from->name);
- ret = -1;
- goto out;
- }
-
-
- /* Remove the sticky bit and sgid bit set, reset it to 0*/
- if (!src_ia_prot->sticky)
- new_stbuf.ia_prot.sticky = 0;
+ int ret = -1;
+ dht_conf_t *conf = NULL;
+ struct iatt new_stbuf = {
+ 0,
+ };
+
+ if (!this || !fd || !from || !src_ia_prot) {
+ goto out;
+ }
+
+ conf = this->private;
+
+ /*Revert source mode and xattr changes*/
+ ret = syncop_fstat(from, fd, &new_stbuf, NULL, NULL);
+ if (ret < 0) {
+ /* Failed to get the stat info */
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file cleanup failed: failed to fstat "
+ "file %s on %s ",
+ loc->path, from->name);
+ ret = -1;
+ goto out;
+ }
- if (!src_ia_prot->sgid)
- new_stbuf.ia_prot.sgid = 0;
+ /* Remove the sticky bit and sgid bit set, reset it to 0*/
+ if (!src_ia_prot->sticky)
+ new_stbuf.ia_prot.sticky = 0;
- ret = syncop_fsetattr (from, fd, &new_stbuf,
- (GF_SET_ATTR_GID | GF_SET_ATTR_MODE),
- NULL, NULL, NULL, NULL);
+ if (!src_ia_prot->sgid)
+ new_stbuf.ia_prot.sgid = 0;
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file cleanup failed:"
- "%s: failed to perform fsetattr on %s ",
- loc->path, from->name);
- ret = -1;
- goto out;
- }
+ ret = syncop_fsetattr(from, fd, &new_stbuf,
+ (GF_SET_ATTR_GID | GF_SET_ATTR_MODE), NULL, NULL,
+ NULL, NULL);
- ret = syncop_fremovexattr (from, fd, conf->link_xattr_name, 0, NULL);
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING,
- "%s: failed to remove linkto xattr on %s (%s)",
- loc->path, from->name, strerror (-ret));
- ret = -1;
- goto out;
- }
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file cleanup failed:"
+ "%s: failed to perform fsetattr on %s ",
+ loc->path, from->name);
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_fremovexattr(from, fd, conf->link_xattr_name, 0, NULL);
+ if (ret) {
+ gf_log(this->name, GF_LOG_WARNING,
+ "%s: failed to remove linkto xattr on %s (%s)", loc->path,
+ from->name, strerror(-ret));
+ ret = -1;
+ goto out;
+ }
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
-
-
/*
return values:
@@ -1586,1099 +1469,1066 @@ out:
1 : not a failure, but we can't migrate data as of now
*/
int
-dht_migrate_file (xlator_t *this, loc_t *loc, xlator_t *from, xlator_t *to,
- int flag, int *fop_errno)
+dht_migrate_file(xlator_t *this, loc_t *loc, xlator_t *from, xlator_t *to,
+ int flag, int *fop_errno)
{
- int ret = -1;
- struct iatt new_stbuf = {0,};
- struct iatt stbuf = {0,};
- struct iatt empty_iatt = {0,};
- ia_prot_t src_ia_prot = {0,};
- fd_t *src_fd = NULL;
- fd_t *dst_fd = NULL;
- dict_t *dict = NULL;
- dict_t *xattr = NULL;
- dict_t *xattr_rsp = NULL;
- int file_has_holes = 0;
- dht_conf_t *conf = this->private;
- int rcvd_enoent_from_src = 0;
- struct gf_flock flock = {0, };
- struct gf_flock plock = {0, };
- loc_t tmp_loc = {0, };
- loc_t parent_loc = {0, };
- gf_boolean_t inodelk_locked = _gf_false;
- gf_boolean_t entrylk_locked = _gf_false;
- gf_boolean_t p_locked = _gf_false;
- int lk_ret = -1;
- gf_defrag_info_t *defrag = NULL;
- gf_boolean_t clean_src = _gf_false;
- gf_boolean_t clean_dst = _gf_false;
- int log_level = GF_LOG_INFO;
- gf_boolean_t delete_src_linkto = _gf_true;
- lock_migration_info_t locklist;
- dict_t *meta_dict = NULL;
- gf_boolean_t meta_locked = _gf_false;
- gf_boolean_t target_changed = _gf_false;
- xlator_t *new_target = NULL;
- xlator_t *old_target = NULL;
- xlator_t *hashed_subvol = NULL;
- fd_t *linkto_fd = NULL;
-
-
- if (from == to) {
- gf_msg_debug (this->name, 0, "destination and source are same. file %s"
- " might have migrated already", loc->path);
- ret = 0;
- goto out;
- }
-
- /* If defrag is NULL, it should be assumed that migration is triggered
- * from client */
- defrag = conf->defrag;
-
- /* migration of files from clients is restricted to non-tiered clients
- * for now */
- if (!defrag && dht_is_tier_xlator (this)) {
- ret = ENOTSUP;
- goto out;
- }
-
- if (defrag && defrag->tier_conf.is_tier)
- log_level = GF_LOG_TRACE;
+ int ret = -1;
+ struct iatt new_stbuf = {
+ 0,
+ };
+ struct iatt stbuf = {
+ 0,
+ };
+ struct iatt empty_iatt = {
+ 0,
+ };
+ ia_prot_t src_ia_prot = {
+ 0,
+ };
+ fd_t *src_fd = NULL;
+ fd_t *dst_fd = NULL;
+ dict_t *dict = NULL;
+ dict_t *xattr = NULL;
+ dict_t *xattr_rsp = NULL;
+ int file_has_holes = 0;
+ dht_conf_t *conf = this->private;
+ int rcvd_enoent_from_src = 0;
+ struct gf_flock flock = {
+ 0,
+ };
+ struct gf_flock plock = {
+ 0,
+ };
+ loc_t tmp_loc = {
+ 0,
+ };
+ loc_t parent_loc = {
+ 0,
+ };
+ gf_boolean_t inodelk_locked = _gf_false;
+ gf_boolean_t entrylk_locked = _gf_false;
+ gf_boolean_t p_locked = _gf_false;
+ int lk_ret = -1;
+ gf_defrag_info_t *defrag = NULL;
+ gf_boolean_t clean_src = _gf_false;
+ gf_boolean_t clean_dst = _gf_false;
+ int log_level = GF_LOG_INFO;
+ gf_boolean_t delete_src_linkto = _gf_true;
+ lock_migration_info_t locklist;
+ dict_t *meta_dict = NULL;
+ gf_boolean_t meta_locked = _gf_false;
+ gf_boolean_t target_changed = _gf_false;
+ xlator_t *new_target = NULL;
+ xlator_t *old_target = NULL;
+ xlator_t *hashed_subvol = NULL;
+ fd_t *linkto_fd = NULL;
+ dict_t *xdata = NULL;
+
+ if (from == to) {
+ gf_msg_debug(this->name, 0,
+ "destination and source are same. file %s"
+ " might have migrated already",
+ loc->path);
+ ret = 0;
+ goto out;
+ }
- gf_log (this->name,
- log_level, "%s: attempting to move from %s to %s",
- loc->path, from->name, to->name);
+ gf_log(this->name, log_level, "%s: attempting to move from %s to %s",
+ loc->path, from->name, to->name);
- dict = dict_new ();
- if (!dict) {
- ret = -1;
- *fop_errno = ENOMEM;
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
- "Could not allocate memory for dict");
- goto out;
- }
- ret = dict_set_int32 (dict, conf->link_xattr_name, 256);
+ dict = dict_new();
+ if (!dict) {
+ ret = -1;
+ *fop_errno = ENOMEM;
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "Could not allocate memory for dict");
+ goto out;
+ }
+ ret = dict_set_int32(dict, conf->link_xattr_name, 256);
+ if (ret) {
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to set 'linkto' key in dict",
+ loc->path);
+ goto out;
+ }
+
+ /* Do not migrate file in case lock migration is not enabled on the
+ * volume*/
+ if (!conf->lock_migration_enabled) {
+ ret = dict_set_int32(dict, GLUSTERFS_POSIXLK_COUNT, sizeof(int32_t));
if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to set 'linkto' key in dict", loc->path);
- goto out;
- }
-
- /* Do not migrate file in case lock migration is not enabled on the
- * volume*/
- if (!conf->lock_migration_enabled) {
- ret = dict_set_int32 (dict,
- GLUSTERFS_POSIXLK_COUNT, sizeof(int32_t));
- if (ret) {
- *fop_errno = ENOMEM;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed: %s: failed to "
- "set "GLUSTERFS_POSIXLK_COUNT" key in dict",
- loc->path);
- goto out;
- }
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0, 0, "locks will be migrated"
- " for file: %s", loc->path);
- }
-
- ret = dht_build_parent_loc (this, &parent_loc, loc, fop_errno);
- if (ret < 0) {
- ret = -1;
- gf_msg (this->name, GF_LOG_WARNING, *fop_errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to build parent loc, which is needed to "
- "acquire entrylk to synchronize with renames on this "
- "path. Skipping migration", loc->path);
- goto out;
- }
-
- hashed_subvol = dht_subvol_get_hashed (this, loc);
- if (hashed_subvol == NULL) {
- ret = -1;
- gf_msg (this->name, GF_LOG_WARNING, EINVAL,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: cannot find hashed subvol which is needed to "
- "synchronize with renames on this path. "
- "Skipping migration", loc->path);
- goto out;
- }
-
- flock.l_type = F_WRLCK;
-
- tmp_loc.inode = inode_ref (loc->inode);
- gf_uuid_copy (tmp_loc.gfid, loc->gfid);
- tmp_loc.path = gf_strdup(loc->path);
-
- /* this inodelk happens with flock.owner being zero. But to synchronize
- * hardlink migration we need to have different lkowner for each migration
- * Filed a bug here: https://bugzilla.redhat.com/show_bug.cgi?id=1468202 to
- * track the fix for this. Currently synclock takes care of synchronizing
- * hardlink migration. Once this bug is fixed we can avoid taking synclock */
- ret = syncop_inodelk (from, DHT_FILE_MIGRATE_DOMAIN, &tmp_loc, F_SETLKW,
- &flock, NULL, NULL);
- if (ret < 0) {
- *fop_errno = -ret;
- ret = -1;
- gf_msg (this->name, GF_LOG_WARNING, *fop_errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "migrate file failed: "
- "%s: failed to lock file on %s",
- loc->path, from->name);
- goto out;
- }
-
- inodelk_locked = _gf_true;
-
- /* dht_rename has changed to use entrylk on hashed subvol for
- * synchronization. So, rebalance too has to acquire an entrylk on
- * hashed subvol.
- */
- ret = syncop_entrylk (hashed_subvol, DHT_ENTRY_SYNC_DOMAIN, &parent_loc,
- loc->name, ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL,
- NULL);
- if (ret < 0) {
- *fop_errno = -ret;
- ret = -1;
- gf_msg (this->name, GF_LOG_WARNING, *fop_errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to acquire entrylk on subvol %s",
- loc->path, hashed_subvol->name);
- goto out;
- }
-
- entrylk_locked = _gf_true;
-
- /* Phase 1 - Data migration is in progress from now on */
- ret = syncop_lookup (from, loc, &stbuf, NULL, dict, &xattr_rsp);
+ *fop_errno = ENOMEM;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed: %s: failed to "
+ "set " GLUSTERFS_POSIXLK_COUNT " key in dict",
+ loc->path);
+ goto out;
+ }
+ } else {
+ gf_msg(this->name, GF_LOG_INFO, 0, 0,
+ "locks will be migrated"
+ " for file: %s",
+ loc->path);
+ }
+
+ /* The file is locked to prevent a rename during a migration. Renames
+ * and migrations on the file at the same time can lead to data loss.
+ */
+
+ ret = dht_build_parent_loc(this, &parent_loc, loc, fop_errno);
+ if (ret < 0) {
+ ret = -1;
+ gf_msg(this->name, GF_LOG_WARNING, *fop_errno,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to build parent loc, which is needed to "
+ "acquire entrylk to synchronize with renames on this "
+ "path. Skipping migration",
+ loc->path);
+ goto out;
+ }
+
+ hashed_subvol = dht_subvol_get_hashed(this, loc);
+ if (hashed_subvol == NULL) {
+ ret = -1;
+ gf_msg(this->name, GF_LOG_WARNING, EINVAL, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: cannot find hashed subvol which is needed to "
+ "synchronize with renames on this path. "
+ "Skipping migration",
+ loc->path);
+ goto out;
+ }
+
+ flock.l_type = F_WRLCK;
+
+ tmp_loc.inode = inode_ref(loc->inode);
+ gf_uuid_copy(tmp_loc.gfid, loc->gfid);
+ tmp_loc.path = gf_strdup(loc->path);
+
+ /* this inodelk happens with flock.owner being zero. But to synchronize
+ * hardlink migration we need to have different lkowner for each migration
+ * Filed a bug here: https://bugzilla.redhat.com/show_bug.cgi?id=1468202 to
+ * track the fix for this. Currently synclock takes care of synchronizing
+ * hardlink migration. Once this bug is fixed we can avoid taking synclock
+ */
+ ret = syncop_inodelk(from, DHT_FILE_MIGRATE_DOMAIN, &tmp_loc, F_SETLKW,
+ &flock, NULL, NULL);
+ if (ret < 0) {
+ *fop_errno = -ret;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_WARNING, *fop_errno,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "migrate file failed: "
+ "%s: failed to lock file on %s",
+ loc->path, from->name);
+ goto out;
+ }
+
+ inodelk_locked = _gf_true;
+
+ /* dht_rename has changed to use entrylk on hashed subvol for
+ * synchronization. So, rebalance too has to acquire an entrylk on
+ * hashed subvol.
+ */
+ ret = syncop_entrylk(hashed_subvol, DHT_ENTRY_SYNC_DOMAIN, &parent_loc,
+ loc->name, ENTRYLK_LOCK, ENTRYLK_WRLCK, NULL, NULL);
+ if (ret < 0) {
+ *fop_errno = -ret;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_WARNING, *fop_errno,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to acquire entrylk on subvol %s", loc->path,
+ hashed_subvol->name);
+ goto out;
+ }
+
+ entrylk_locked = _gf_true;
+
+ /* Phase 1 - Data migration is in progress from now on */
+ ret = syncop_lookup(from, loc, &stbuf, NULL, dict, &xattr_rsp);
+ if (ret) {
+ *fop_errno = -ret;
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, *fop_errno,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: lookup failed on %s",
+ loc->path, from->name);
+ goto out;
+ }
+
+ /* preserve source mode, so set the same to the destination */
+ src_ia_prot = stbuf.ia_prot;
+
+ /* Check if file can be migrated */
+ ret = __is_file_migratable(this, loc, &stbuf, xattr_rsp, flag, defrag, conf,
+ fop_errno);
+ if (ret) {
+ if (ret == HARDLINK_MIG_INPROGRESS)
+ ret = 0;
+ goto out;
+ }
+
+ /* Take care of the special files */
+ if (!IA_ISREG(stbuf.ia_type)) {
+ /* Special files */
+ ret = migrate_special_files(this, from, to, loc, &stbuf, fop_errno);
+ goto out;
+ }
+
+ /* Try to preserve 'holes' while migrating data */
+ if (stbuf.ia_size > (stbuf.ia_blocks * GF_DISK_SECTOR_SIZE))
+ file_has_holes = 1;
+
+ /* create the destination, with required modes/xattr */
+ ret = __dht_rebalance_create_dst_file(this, to, from, loc, &stbuf, &dst_fd,
+ fop_errno, file_has_holes);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, 0,
+ "Create dst failed"
+ " on - %s for file - %s",
+ to->name, loc->path);
+ goto out;
+ }
+
+ clean_dst = _gf_true;
+
+ ret = __dht_check_free_space(this, to, from, loc, &stbuf, flag, conf,
+ &target_changed, &new_target, fop_errno);
+ if (target_changed) {
+ /* Can't handle for hardlinks. Marking this as failure */
+ if (flag == GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS || stbuf.ia_nlink > 1) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SUBVOL_INSUFF_SPACE,
+ "Exiting migration for"
+ " file - %s. flag - %d, stbuf.ia_nlink - %d",
+ loc->path, flag, stbuf.ia_nlink);
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_ftruncate(to, dst_fd, 0, NULL, NULL, NULL, NULL);
if (ret) {
- *fop_errno = -ret;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, *fop_errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: lookup failed on %s",
- loc->path, from->name);
- goto out;
+ gf_log(this->name, GF_LOG_WARNING,
+ "%s: failed to perform truncate on %s (%s)", loc->path,
+ to->name, strerror(-ret));
}
- /* preserve source mode, so set the same to the destination */
- src_ia_prot = stbuf.ia_prot;
+ syncop_close(dst_fd);
+ dst_fd = NULL;
- /* Check if file can be migrated */
- ret = __is_file_migratable (this, loc, &stbuf, xattr_rsp, flag, defrag, conf,
- fop_errno);
- if (ret) {
- if (ret == HARDLINK_MIG_INPROGRESS)
- ret = 0;
- goto out;
- }
+ old_target = to;
+ to = new_target;
- /* Take care of the special files */
- if (!IA_ISREG (stbuf.ia_type)) {
- /* Special files */
- ret = migrate_special_files (this, from, to, loc, &stbuf,
- fop_errno);
- goto out;
- }
+ clean_dst = _gf_false;
- /* create the destination, with required modes/xattr */
- ret = __dht_rebalance_create_dst_file (this, to, from, loc, &stbuf,
- &dst_fd, fop_errno);
+ /* if the file migration is successful to this new target, then
+ * update the xattr on the old destination to point the new
+ * destination. We need to do update this only post migration
+ * as in case of failure the linkto needs to point to the source
+ * subvol */
+ ret = __dht_rebalance_create_dst_file(
+ this, to, from, loc, &stbuf, &dst_fd, fop_errno, file_has_holes);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0, 0, "Create dst failed"
- " on - %s for file - %s", to->name, loc->path);
- goto out;
- }
-
- clean_dst = _gf_true;
-
- ret = __dht_check_free_space (this, to, from, loc, &stbuf, flag, conf,
- &target_changed, &new_target, fop_errno);
- if (target_changed) {
- /* Can't handle for hardlinks. Marking this as failure */
- if (flag == GF_DHT_MIGRATE_HARDLINK_IN_PROGRESS || stbuf.ia_nlink > 1) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SUBVOL_INSUFF_SPACE, "Exiting migration for"
- " file - %s. flag - %d, stbuf.ia_nlink - %d",
- loc->path, flag, stbuf.ia_nlink);
- ret = -1;
- goto out;
- }
+ gf_log(this->name, GF_LOG_ERROR,
+ "Create dst failed"
+ " on - %s for file - %s",
+ to->name, loc->path);
+ goto out;
+ } else {
+ gf_msg(this->name, GF_LOG_INFO, 0, 0,
+ "destination for file "
+ "- %s is changed to - %s",
+ loc->path, to->name);
+ clean_dst = _gf_true;
+ }
+ }
+
+ if (ret) {
+ goto out;
+ }
+
+ /* Open the source, and also update mode/xattr */
+ ret = __dht_rebalance_open_src_file(this, from, to, loc, &stbuf, &src_fd,
+ &clean_src, fop_errno);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed: failed to open %s on %s", loc->path,
+ from->name);
+ goto out;
+ }
+
+ /* TODO: move all xattr related operations to fd based operations */
+ ret = syncop_listxattr(from, loc, &xattr, NULL, NULL);
+ if (ret < 0) {
+ *fop_errno = -ret;
+ gf_msg(this->name, GF_LOG_WARNING, *fop_errno,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to get xattr from %s",
+ loc->path, from->name);
+ ret = -1;
+ goto out;
+ }
+
+ /* Copying posix acls to the linkto file messes up the permissions*/
+ dht_strip_out_acls(xattr);
+
+ /* Remove the linkto xattr as we don't want to overwrite the value
+ * set on the dst.
+ */
+ dict_del(xattr, conf->link_xattr_name);
+
+ /* We need to error out if this fails as having the wrong shard xattrs
+ * set on the dst could cause data corruption
+ */
+ ret = syncop_fsetxattr(to, dst_fd, xattr, 0, NULL, NULL);
+ if (ret < 0) {
+ *fop_errno = -ret;
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to set xattr on %s", loc->path, to->name);
+ ret = -1;
+ goto out;
+ }
+ if (xattr_rsp) {
+ /* we no more require this key */
+ dict_del(dict, conf->link_xattr_name);
+ dict_unref(xattr_rsp);
+ }
+
+ ret = syncop_fstat(from, src_fd, &stbuf, dict, &xattr_rsp);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:failed to lookup %s on %s ", loc->path,
+ from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
+
+ /* Check again if file has hardlink */
+ ret = __check_file_has_hardlink(this, loc, &stbuf, xattr_rsp, flag, defrag,
+ conf, fop_errno);
+ if (ret) {
+ if (ret == HARDLINK_MIG_INPROGRESS)
+ ret = 0;
+ goto out;
+ }
+
+ ret = __dht_rebalance_migrate_data(this, defrag, from, to, src_fd, dst_fd,
+ stbuf.ia_size, file_has_holes,
+ fop_errno);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed: %s: failed to migrate data", loc->path);
- ret = syncop_ftruncate (to, dst_fd, 0, NULL, NULL, NULL, NULL);
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING,
- "%s: failed to perform truncate on %s (%s)",
- loc->path, to->name, strerror (-ret));
- }
+ ret = -1;
+ goto out;
+ }
+
+ /* TODO: Sync the locks */
+
+ xdata = dict_new();
+ if (!xdata || dict_set_int8(xdata, "last-fsync", 1)) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "%s: failed to set last-fsync flag on "
+ "%s (%s)",
+ loc->path, to->name, strerror(ENOMEM));
+ }
+
+ ret = syncop_fsync(to, dst_fd, 0, NULL, NULL, xdata, NULL);
+ if (ret) {
+ gf_log(this->name, GF_LOG_WARNING, "%s: failed to fsync on %s (%s)",
+ loc->path, to->name, strerror(-ret));
+ *fop_errno = -ret;
+ }
+
+ /* Phase 2 - Data-Migration Complete, Housekeeping updates pending */
+
+ ret = syncop_fstat(from, src_fd, &new_stbuf, NULL, NULL);
+ if (ret < 0) {
+ /* Failed to get the stat info */
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed: failed to fstat file %s on %s ", loc->path,
+ from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ }
- syncop_close (dst_fd);
- dst_fd = NULL;
+ /* Lock the entire source file to prevent clients from taking a
+ lock on it as dht_lk does not handle file migration.
- old_target = to;
- to = new_target;
+ This still leaves a small window where conflicting locks can
+ be granted to different clients. If client1 requests a blocking
+ lock on the src file, it will be granted after the migrating
+ process releases its lock. If client2 requests a lock on the dst
+ data file, it will also be granted, but all FOPs will be redirected
+ to the dst data file.
+ */
- clean_dst = _gf_false;
+ /* Take meta lock */
+ if (conf->lock_migration_enabled) {
+ meta_dict = dict_new();
+ if (!meta_dict) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "dict_new failed");
- /* if the file migration is successful to this new target, then
- * update the xattr on the old destination to point the new
- * destination. We need to do update this only post migration
- * as in case of failure the linkto needs to point to the source
- * subvol */
- ret = __dht_rebalance_create_dst_file (this, to, from, loc, &stbuf,
- &dst_fd, fop_errno);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Create dst failed"
- " on - %s for file - %s", to->name, loc->path);
- goto out;
- } else {
- gf_msg (this->name, GF_LOG_INFO, 0, 0, "destination for file "
- "- %s is changed to - %s", loc->path, to->name);
- clean_dst = _gf_true;
- }
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
}
+ ret = dict_set_str(meta_dict, GLUSTERFS_INTERNAL_FOP_KEY, "yes");
if (ret) {
- goto out;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value: key = %s,"
+ " path = %s",
+ GLUSTERFS_INTERNAL_FOP_KEY, loc->path);
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
}
- /* Open the source, and also update mode/xattr */
- ret = __dht_rebalance_open_src_file (this, from, to, loc, &stbuf, &src_fd,
- &clean_src, fop_errno);
+ ret = dict_set_int32(meta_dict, GF_META_LOCK_KEY, 1);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed: failed to open %s on %s",
- loc->path, from->name);
- goto out;
- }
-
- /* TODO: move all xattr related operations to fd based operations */
- ret = syncop_listxattr (from, loc, &xattr, NULL, NULL);
- if (ret < 0) {
- *fop_errno = -ret;
- gf_msg (this->name, GF_LOG_WARNING, *fop_errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to get xattr from %s",
- loc->path, from->name);
- ret = -1;
- goto out;
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Trace dict_set failed");
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
}
- /* Copying posix acls to the linkto file messes up the permissions*/
- dht_strip_out_acls (xattr);
-
- /* Remove the linkto xattr as we don't want to overwrite the value
- * set on the dst.
- */
- dict_del (xattr, conf->link_xattr_name);
-
- /* We need to error out if this fails as having the wrong shard xattrs
- * set on the dst could cause data corruption
- */
- ret = syncop_fsetxattr (to, dst_fd, xattr, 0, NULL, NULL);
- if (ret < 0) {
- *fop_errno = -ret;
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to set xattr on %s",
- loc->path, to->name);
- ret = -1;
- goto out;
- }
-
- if (xattr_rsp) {
- /* we no more require this key */
- dict_del (dict, conf->link_xattr_name);
- dict_unref (xattr_rsp);
- }
-
- ret = syncop_fstat (from, src_fd, &stbuf, dict, &xattr_rsp);
+ ret = syncop_setxattr(from, loc, meta_dict, 0, NULL, NULL);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:failed to lookup %s on %s ",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Trace syncop_setxattr metalock failed");
- /* Check again if file has hardlink */
- ret = __check_file_has_hardlink (this, loc, &stbuf, xattr_rsp,
- flag, defrag, conf, fop_errno);
- if (ret) {
- if (ret == HARDLINK_MIG_INPROGRESS)
- ret = 0;
- goto out;
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ } else {
+ meta_locked = _gf_true;
}
- /* Try to preserve 'holes' while migrating data */
- if (stbuf.ia_size > (stbuf.ia_blocks * GF_DISK_SECTOR_SIZE))
- file_has_holes = 1;
+ }
+ if (!conf->lock_migration_enabled) {
+ plock.l_type = F_WRLCK;
+ plock.l_start = 0;
+ plock.l_len = 0;
+ plock.l_whence = SEEK_SET;
- ret = __dht_rebalance_migrate_data (this, defrag, from, to,
- src_fd, dst_fd, stbuf.ia_size,
- file_has_holes, fop_errno);
+ ret = syncop_lk(from, src_fd, F_SETLK, &plock, NULL, NULL);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed: %s: failed to migrate data",
- loc->path);
-
- ret = -1;
- goto out;
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: Failed to lock on %s",
+ loc->path, from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
}
- /* TODO: Sync the locks */
+ p_locked = _gf_true;
- ret = syncop_fsync (to, dst_fd, 0, NULL, NULL, NULL, NULL);
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING,
- "%s: failed to fsync on %s (%s)",
- loc->path, to->name, strerror (-ret));
- *fop_errno = -ret;
- }
+ } else {
+ INIT_LIST_HEAD(&locklist.list);
+ ret = syncop_getactivelk(from, loc, &locklist, NULL, NULL);
+ if (ret == 0) {
+ gf_log(this->name, GF_LOG_INFO, "No active locks on:%s", loc->path);
- /* Phase 2 - Data-Migration Complete, Housekeeping updates pending */
+ } else if (ret > 0) {
+ ret = syncop_setactivelk(to, loc, &locklist, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_LOCK_MIGRATION_FAILED, "write lock failed on:%s",
+ loc->path);
- ret = syncop_fstat (from, src_fd, &new_stbuf, NULL, NULL);
- if (ret < 0) {
- /* Failed to get the stat info */
- gf_msg ( this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed: failed to fstat file %s on %s ",
- loc->path, from->name);
*fop_errno = -ret;
ret = -1;
- goto out;
- }
-
- /* Lock the entire source file to prevent clients from taking a
- lock on it as dht_lk does not handle file migration.
-
- This still leaves a small window where conflicting locks can
- be granted to different clients. If client1 requests a blocking
- lock on the src file, it will be granted after the migrating
- process releases its lock. If client2 requests a lock on the dst
- data file, it will also be granted, but all FOPs will be redirected
- to the dst data file.
- */
-
- /* Take meta lock */
-
- if (conf->lock_migration_enabled) {
- meta_dict = dict_new ();
- if (!meta_dict) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "dict_new failed");
-
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- ret = dict_set_str (meta_dict, GLUSTERFS_INTERNAL_FOP_KEY, "yes");
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value: key = %s,"
- " path = %s", GLUSTERFS_INTERNAL_FOP_KEY,
- loc->path);
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- ret = dict_set_int32 (meta_dict, GF_META_LOCK_KEY, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Trace dict_set failed");
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- ret = syncop_setxattr (from, loc, meta_dict, 0, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Trace syncop_setxattr metalock failed");
-
- *fop_errno = -ret;
- ret = -1;
- goto out;
- } else {
- meta_locked = _gf_true;
- }
- }
-
- if (!conf->lock_migration_enabled) {
- plock.l_type = F_WRLCK;
- plock.l_start = 0;
- plock.l_len = 0;
- plock.l_whence = SEEK_SET;
-
- ret = syncop_lk (from, src_fd, F_SETLK, &plock, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: Failed to lock on %s",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
-
- p_locked = _gf_true;
-
+ goto metaunlock;
+ }
} else {
-
- INIT_LIST_HEAD (&locklist.list);
-
- ret = syncop_getactivelk (from, loc, &locklist, NULL, NULL);
- if (ret == 0) {
- gf_log (this->name, GF_LOG_INFO, "No active locks on:%s"
- , loc->path);
-
- } else if (ret > 0) {
-
- ret = syncop_setactivelk (to, loc, &locklist, NULL,
- NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_LOCK_MIGRATION_FAILED,
- "write lock failed on:%s", loc->path);
-
- *fop_errno = -ret;
- ret = -1;
- goto metaunlock;
- }
- } else {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_LOCK_MIGRATION_FAILED,
- "getactivelk failed for file: %s", loc->path);
- *fop_errno = -ret;
- }
- }
-
-
- /* source would have both sticky bit and sgid bit set, reset it to 0,
- and set the source permission on destination, if it was not set
- prior to setting rebalance-modes in source */
- if (!src_ia_prot.sticky)
- new_stbuf.ia_prot.sticky = 0;
-
- if (!src_ia_prot.sgid)
- new_stbuf.ia_prot.sgid = 0;
-
- /* TODO: if the source actually had sticky bit, or sgid bit set,
- we are not handling it */
-
- ret = syncop_fsetattr (to, dst_fd, &new_stbuf,
- (GF_SET_ATTR_UID | GF_SET_ATTR_GID |
- GF_SET_ATTR_MODE), NULL, NULL, NULL, NULL);
+ gf_msg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_LOCK_MIGRATION_FAILED,
+ "getactivelk failed for file: %s", loc->path);
+ *fop_errno = -ret;
+ }
+ }
+
+ /* source would have both sticky bit and sgid bit set, reset it to 0,
+ and set the source permission on destination, if it was not set
+ prior to setting rebalance-modes in source */
+ if (!src_ia_prot.sticky)
+ new_stbuf.ia_prot.sticky = 0;
+
+ if (!src_ia_prot.sgid)
+ new_stbuf.ia_prot.sgid = 0;
+
+ /* TODO: if the source actually had sticky bit, or sgid bit set,
+ we are not handling it */
+
+ ret = syncop_fsetattr(
+ to, dst_fd, &new_stbuf,
+ (GF_SET_ATTR_UID | GF_SET_ATTR_GID | GF_SET_ATTR_MODE), NULL, NULL,
+ NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to perform setattr on %s ",
+ loc->path, to->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto metaunlock;
+ }
+
+ /* Because 'futimes' is not portable */
+ ret = syncop_setattr(to, loc, &new_stbuf,
+ (GF_SET_ATTR_MTIME | GF_SET_ATTR_ATIME), NULL, NULL,
+ NULL, NULL);
+ if (ret) {
+ gf_log(this->name, GF_LOG_WARNING,
+ "%s: failed to perform setattr on %s ", loc->path, to->name);
+ *fop_errno = -ret;
+ }
+
+ if (target_changed) {
+ dict_del(dict, GLUSTERFS_POSIXLK_COUNT);
+ ret = dict_set_str(dict, conf->link_xattr_name, to->name);
if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to perform setattr on %s ",
- loc->path, to->name);
- *fop_errno = -ret;
+ gf_log(this->name, GF_LOG_ERROR,
+ "failed to set xattr in dict for %s (linkto:%s)", loc->path,
+ to->name);
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_setxattr(old_target, loc, dict, 0, NULL, NULL);
+ if (ret && -ret != ESTALE && -ret != ENOENT) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to set xattr on %s in %s", loc->path,
+ old_target->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
+ } else if (-ret == ESTALE || -ret == ENOENT) {
+ /* The failure ESTALE indicates that the linkto
+ * file on the hashed subvol might have been deleted.
+ * In this case will create a linkto file with new target
+ * as linkto xattr value*/
+ linkto_fd = fd_create(loc->inode, DHT_REBALANCE_PID);
+ if (!linkto_fd) {
+ gf_msg(this->name, GF_LOG_ERROR, errno,
+ DHT_MSG_MIGRATE_FILE_FAILED, "%s: fd create failed",
+ loc->path);
+ *fop_errno = ENOMEM;
ret = -1;
- goto metaunlock;
- }
-
- /* Because 'futimes' is not portable */
- ret = syncop_setattr (to, loc, &new_stbuf,
- (GF_SET_ATTR_MTIME | GF_SET_ATTR_ATIME),
- NULL, NULL, NULL, NULL);
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING,
- "%s: failed to perform setattr on %s ",
- loc->path, to->name);
+ goto out;
+ }
+ ret = syncop_create(old_target, loc, O_RDWR, DHT_LINKFILE_MODE,
+ linkto_fd, NULL, dict, NULL);
+ if (ret != 0 && -ret != EEXIST && -ret != ESTALE) {
*fop_errno = -ret;
- }
-
- if (target_changed) {
- dict_del (dict, conf->link_xattr_name);
- dict_del (dict, GLUSTERFS_POSIXLK_COUNT);
- ret = dict_set_str (dict, conf->link_xattr_name, to->name);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to set xattr in dict for %s (linkto:%s)",
- loc->path, to->name);
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- ret = syncop_setxattr (old_target, loc, dict, 0, NULL, NULL);
- if (ret && -ret != ESTALE && -ret != ENOENT) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to set xattr on %s in %s",
- loc->path, old_target->name);
- *fop_errno = -ret;
- ret = -1;
- goto out;
- } else if (-ret == ESTALE || -ret == ENOENT) {
- /* The failure ESTALE indicates that the linkto
- * file on the hashed subvol might have been deleted.
- * In this case will create a linkto file with new target
- * as linkto xattr value*/
- linkto_fd = fd_create (loc->inode, DHT_REBALANCE_PID);
- if (!linkto_fd) {
- gf_msg (this->name, GF_LOG_ERROR, errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: fd create failed", loc->path);
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
- ret = syncop_create (old_target, loc, O_RDWR,
- DHT_LINKFILE_MODE, linkto_fd,
- NULL, dict, NULL);
- if (ret != 0 && -ret != EEXIST && -ret != ESTALE) {
- *fop_errno = -ret;
- ret = -1;
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "failed to create linkto file on %s in %s",
- loc->path, old_target->name);
- goto out;
- } else if (ret == 0) {
- ret = syncop_fsetattr (old_target, linkto_fd, &stbuf,
- (GF_SET_ATTR_UID | GF_SET_ATTR_GID),
- NULL, NULL, NULL, NULL);
- if (ret < 0) {
- *fop_errno = -ret;
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "chown failed for %s on %s",
- loc->path, old_target->name);
- }
- }
+ ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "failed to create linkto file on %s in %s", loc->path,
+ old_target->name);
+ goto out;
+ } else if (ret == 0) {
+ ret = syncop_fsetattr(old_target, linkto_fd, &stbuf,
+ (GF_SET_ATTR_UID | GF_SET_ATTR_GID), NULL,
+ NULL, NULL, NULL);
+ if (ret < 0) {
+ *fop_errno = -ret;
+ gf_msg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "chown failed for %s on %s", loc->path,
+ old_target->name);
}
+ }
+ }
+ }
+
+ clean_dst = _gf_false;
+
+ /* Posix acls are not set on DHT linkto files as part of the initial
+ * initial xattrs set on the dst file, so these need
+ * to be set on the dst file after the linkto attrs are removed.
+ * TODO: Optimize this.
+ */
+ if (xattr) {
+ dict_unref(xattr);
+ xattr = NULL;
+ }
+
+ /* Set only the Posix ACLs this time */
+ ret = syncop_getxattr(from, loc, &xattr, POSIX_ACL_ACCESS_XATTR, NULL,
+ NULL);
+ if (ret < 0) {
+ if ((-ret != ENODATA) && (-ret != ENOATTR)) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to get xattr from %s",
+ loc->path, from->name);
+ *fop_errno = -ret;
+ }
+ } else {
+ ret = syncop_setxattr(to, loc, xattr, 0, NULL, NULL);
+ if (ret < 0) {
+ /* Potential problem here where Posix ACLs will
+ * not be set on the target file */
+
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to set xattr on %s",
+ loc->path, to->name);
+ *fop_errno = -ret;
+ }
+ }
+
+ /* The src file is being unlinked after this so we don't need
+ to clean it up */
+ clean_src = _gf_false;
+
+ /* Make the source as a linkfile first before deleting it */
+ empty_iatt.ia_prot.sticky = 1;
+ ret = syncop_fsetattr(from, src_fd, &empty_iatt, GF_SET_ATTR_MODE, NULL,
+ NULL, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed:"
+ "%s: failed to perform setattr on %s ",
+ loc->path, from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto metaunlock;
+ }
+
+ /* Free up the data blocks on the source node, as the whole
+ file is migrated */
+ ret = syncop_ftruncate(from, src_fd, 0, NULL, NULL, NULL, NULL);
+ if (ret) {
+ gf_log(this->name, GF_LOG_WARNING,
+ "%s: failed to perform truncate on %s (%s)", loc->path,
+ from->name, strerror(-ret));
+ *fop_errno = -ret;
+ }
+
+ /* remove the 'linkto' xattr from the destination */
+ ret = syncop_fremovexattr(to, dst_fd, conf->link_xattr_name, 0, NULL);
+ if (ret) {
+ gf_log(this->name, GF_LOG_WARNING,
+ "%s: failed to perform removexattr on %s (%s)", loc->path,
+ to->name, strerror(-ret));
+ *fop_errno = -ret;
+ }
+
+ /* Do a stat and check the gfid before unlink */
+
+ /*
+ * Cached file changes its state from non-linkto to linkto file after
+ * migrating data. If lookup from any other mount-point is performed,
+ * converted-linkto-cached file will be treated as a stale and will be
+ * unlinked. But by this time, file is already migrated. So further
+ * failure because of ENOENT should not be treated as error
+ */
+
+ ret = syncop_stat(from, loc, &empty_iatt, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to do a stat on %s", loc->path, from->name);
+
+ if (-ret != ENOENT) {
+ *fop_errno = -ret;
+ ret = -1;
+ goto metaunlock;
+ }
+
+ rcvd_enoent_from_src = 1;
+ }
+
+ if ((gf_uuid_compare(empty_iatt.ia_gfid, loc->gfid) == 0) &&
+ (!rcvd_enoent_from_src) && delete_src_linkto) {
+ /* take out the source from namespace */
+ ret = syncop_unlink(from, loc, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to perform unlink on %s", loc->path, from->name);
+ *fop_errno = -ret;
+ ret = -1;
+ goto metaunlock;
}
+ }
- clean_dst = _gf_false;
+ ret = syncop_lookup(this, loc, NULL, NULL, NULL, NULL);
+ if (ret) {
+ gf_msg_debug(this->name, -ret,
+ "%s: failed to lookup the file on subvolumes", loc->path);
+ *fop_errno = -ret;
+ }
- /* Posix acls are not set on DHT linkto files as part of the initial
- * initial xattrs set on the dst file, so these need
- * to be set on the dst file after the linkto attrs are removed.
- * TODO: Optimize this.
- */
- if (xattr) {
- dict_unref (xattr);
- xattr = NULL;
- }
+ gf_msg(this->name, log_level, 0, DHT_MSG_MIGRATE_FILE_COMPLETE,
+ "completed migration of %s from subvolume %s to %s", loc->path,
+ from->name, to->name);
- /* Set only the Posix ACLs this time */
- ret = syncop_getxattr (from, loc, &xattr, POSIX_ACL_ACCESS_XATTR,
- NULL, NULL);
- if (ret < 0) {
- if ((-ret != ENODATA) && (-ret != ENOATTR)) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to get xattr from %s",
- loc->path, from->name);
- *fop_errno = -ret;
- }
- } else {
- ret = syncop_setxattr (to, loc, xattr, 0, NULL, NULL);
- if (ret < 0) {
- /* Potential problem here where Posix ACLs will
- * not be set on the target file */
-
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to set xattr on %s",
- loc->path, to->name);
- *fop_errno = -ret;
- }
- }
+ ret = 0;
- /* store size of previous migrated file */
- if (defrag && defrag->tier_conf.is_tier) {
- if (from != TIER_HASHED_SUBVOL) {
- defrag->tier_conf.st_last_promoted_size = stbuf.ia_size;
- } else {
- /* Don't delete the linkto file on the hashed subvol */
- delete_src_linkto = _gf_false;
- defrag->tier_conf.st_last_demoted_size = stbuf.ia_size;
- }
- }
+metaunlock:
- /* The src file is being unlinked after this so we don't need
- to clean it up */
- clean_src = _gf_false;
+ if (conf->lock_migration_enabled && meta_locked) {
+ dict_del(meta_dict, GF_META_LOCK_KEY);
- /* Make the source as a linkfile first before deleting it */
- empty_iatt.ia_prot.sticky = 1;
- ret = syncop_fsetattr (from, src_fd, &empty_iatt,
- GF_SET_ATTR_MODE, NULL, NULL, NULL, NULL);
+ ret = dict_set_int32(meta_dict, GF_META_UNLOCK_KEY, 1);
if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed:"
- "%s: failed to perform setattr on %s ",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto metaunlock;
- }
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Trace dict_set failed");
- /* Free up the data blocks on the source node, as the whole
- file is migrated */
- ret = syncop_ftruncate (from, src_fd, 0, NULL, NULL, NULL, NULL);
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING,
- "%s: failed to perform truncate on %s (%s)",
- loc->path, from->name, strerror (-ret));
- *fop_errno = -ret;
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
}
- /* remove the 'linkto' xattr from the destination */
- ret = syncop_fremovexattr (to, dst_fd, conf->link_xattr_name, 0, NULL);
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING,
- "%s: failed to perform removexattr on %s (%s)",
- loc->path, to->name, strerror (-ret));
- *fop_errno = -ret;
- }
-
- /* Do a stat and check the gfid before unlink */
-
- /*
- * Cached file changes its state from non-linkto to linkto file after
- * migrating data. If lookup from any other mount-point is performed,
- * converted-linkto-cached file will be treated as a stale and will be
- * unlinked. But by this time, file is already migrated. So further
- * failure because of ENOENT should not be treated as error
- */
+ if (clean_dst == _gf_false)
+ ret = dict_set_int32(meta_dict, "status", 1);
+ else
+ ret = dict_set_int32(meta_dict, "status", 0);
- ret = syncop_stat (from, loc, &empty_iatt, NULL, NULL);
if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to do a stat on %s",
- loc->path, from->name);
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Trace dict_set failed");
- if (-ret != ENOENT) {
- *fop_errno = -ret;
- ret = -1;
- goto metaunlock;
- }
-
- rcvd_enoent_from_src = 1;
- }
-
-
- if ((gf_uuid_compare (empty_iatt.ia_gfid, loc->gfid) == 0 ) &&
- (!rcvd_enoent_from_src) && delete_src_linkto) {
- /* take out the source from namespace */
- ret = syncop_unlink (from, loc, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to perform unlink on %s",
- loc->path, from->name);
- *fop_errno = -ret;
- ret = -1;
- goto metaunlock;
- }
+ *fop_errno = ENOMEM;
+ ret = -1;
+ goto out;
}
- ret = syncop_lookup (this, loc, NULL, NULL, NULL, NULL);
+ ret = syncop_setxattr(from, loc, meta_dict, 0, NULL, NULL);
if (ret) {
- gf_msg_debug (this->name, -ret,
- "%s: failed to lookup the file on subvolumes",
- loc->path);
- *fop_errno = -ret;
- }
-
- gf_msg (this->name, log_level, 0,
- DHT_MSG_MIGRATE_FILE_COMPLETE,
- "completed migration of %s from subvolume %s to %s",
- loc->path, from->name, to->name);
-
- ret = 0;
-
-metaunlock:
-
- if (conf->lock_migration_enabled && meta_locked) {
-
- dict_del (meta_dict, GF_META_LOCK_KEY);
-
- ret = dict_set_int32 (meta_dict, GF_META_UNLOCK_KEY, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Trace dict_set failed");
-
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- if (clean_dst == _gf_false)
- ret = dict_set_int32 (meta_dict, "status", 1);
- else
- ret = dict_set_int32 (meta_dict, "status", 0);
-
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Trace dict_set failed");
-
- *fop_errno = ENOMEM;
- ret = -1;
- goto out;
- }
-
- ret = syncop_setxattr (from, loc, meta_dict, 0, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Trace syncop_setxattr meta unlock failed");
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Trace syncop_setxattr meta unlock failed");
- *fop_errno = -ret;
- ret = -1;
- goto out;
- }
+ *fop_errno = -ret;
+ ret = -1;
+ goto out;
}
+ }
out:
- if (clean_src) {
- /* Revert source mode and xattr changes*/
- lk_ret = __dht_migration_cleanup_src_file (this, loc, src_fd,
- from, &src_ia_prot);
- if (lk_ret) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to cleanup source file on %s",
- loc->path, from->name);
- }
- }
-
- /* reset the destination back to 0 */
- if (clean_dst) {
- lk_ret = syncop_ftruncate (to, dst_fd, 0, NULL, NULL,
- NULL, NULL);
- if (lk_ret) {
- gf_msg (this->name, GF_LOG_ERROR, -lk_ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed: "
- "%s: failed to reset target size back to 0",
- loc->path);
- }
- }
-
- if (inodelk_locked) {
- flock.l_type = F_UNLCK;
-
- lk_ret = syncop_inodelk (from, DHT_FILE_MIGRATE_DOMAIN,
- &tmp_loc, F_SETLK, &flock, NULL, NULL);
- if (lk_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, -lk_ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to unlock file on %s",
- loc->path, from->name);
- }
- }
-
- if (entrylk_locked) {
- lk_ret = syncop_entrylk (hashed_subvol, DHT_ENTRY_SYNC_DOMAIN,
- &parent_loc, loc->name, ENTRYLK_UNLOCK,
- ENTRYLK_UNLOCK, NULL, NULL);
- if (lk_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, -lk_ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to unlock entrylk on %s",
- loc->path, hashed_subvol->name);
- }
- }
-
- if (p_locked) {
- plock.l_type = F_UNLCK;
- lk_ret = syncop_lk (from, src_fd, F_SETLK, &plock, NULL, NULL);
-
- if (lk_ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, -lk_ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "%s: failed to unlock file on %s",
- loc->path, from->name);
- }
- }
-
- if (!dht_is_tier_xlator (this)) {
- lk_ret = syncop_removexattr (to, loc,
- GF_PROTECT_FROM_EXTERNAL_WRITES,
- NULL, NULL);
- if (lk_ret && (lk_ret != -ENODATA) && (lk_ret != -ENOATTR)) {
- gf_msg (this->name, GF_LOG_WARNING, -lk_ret, 0,
- "%s: removexattr failed key %s", loc->path,
- GF_PROTECT_FROM_EXTERNAL_WRITES);
- }
- }
-
- if (dict)
- dict_unref (dict);
-
- if (xattr)
- dict_unref (xattr);
- if (xattr_rsp)
- dict_unref (xattr_rsp);
-
- if (dst_fd)
- syncop_close (dst_fd);
- if (src_fd)
- syncop_close (src_fd);
- if (linkto_fd)
- syncop_close (linkto_fd);
-
- loc_wipe (&tmp_loc);
- loc_wipe (&parent_loc);
-
- return ret;
+ if (clean_src) {
+ /* Revert source mode and xattr changes*/
+ lk_ret = __dht_migration_cleanup_src_file(this, loc, src_fd, from,
+ &src_ia_prot);
+ if (lk_ret) {
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to cleanup source file on %s", loc->path,
+ from->name);
+ }
+ }
+
+ /* reset the destination back to 0 */
+ if (clean_dst) {
+ lk_ret = syncop_ftruncate(to, dst_fd, 0, NULL, NULL, NULL, NULL);
+ if (lk_ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -lk_ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed: "
+ "%s: failed to reset target size back to 0",
+ loc->path);
+ }
+ }
+
+ if (inodelk_locked) {
+ flock.l_type = F_UNLCK;
+
+ lk_ret = syncop_inodelk(from, DHT_FILE_MIGRATE_DOMAIN, &tmp_loc,
+ F_SETLK, &flock, NULL, NULL);
+ if (lk_ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -lk_ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to unlock file on %s", loc->path, from->name);
+ }
+ }
+
+ if (entrylk_locked) {
+ lk_ret = syncop_entrylk(hashed_subvol, DHT_ENTRY_SYNC_DOMAIN,
+ &parent_loc, loc->name, ENTRYLK_UNLOCK,
+ ENTRYLK_UNLOCK, NULL, NULL);
+ if (lk_ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -lk_ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to unlock entrylk on %s", loc->path,
+ hashed_subvol->name);
+ }
+ }
+
+ if (p_locked) {
+ plock.l_type = F_UNLCK;
+ lk_ret = syncop_lk(from, src_fd, F_SETLK, &plock, NULL, NULL);
+
+ if (lk_ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -lk_ret,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "%s: failed to unlock file on %s", loc->path, from->name);
+ }
+ }
+
+ lk_ret = syncop_removexattr(to, loc, GF_PROTECT_FROM_EXTERNAL_WRITES, NULL,
+ NULL);
+ if (lk_ret && (lk_ret != -ENODATA) && (lk_ret != -ENOATTR)) {
+ gf_msg(this->name, GF_LOG_WARNING, -lk_ret, 0,
+ "%s: removexattr failed key %s", loc->path,
+ GF_PROTECT_FROM_EXTERNAL_WRITES);
+ }
+
+ if (dict)
+ dict_unref(dict);
+
+ if (xattr)
+ dict_unref(xattr);
+ if (xattr_rsp)
+ dict_unref(xattr_rsp);
+
+ if (dst_fd)
+ syncop_close(dst_fd);
+
+ if (src_fd)
+ syncop_close(src_fd);
+ if (linkto_fd)
+ syncop_close(linkto_fd);
+
+ if (xdata)
+ dict_unref(xdata);
+
+ loc_wipe(&tmp_loc);
+ loc_wipe(&parent_loc);
+
+ return ret;
}
static int
-rebalance_task (void *data)
+rebalance_task(void *data)
{
- int ret = -1;
- dht_local_t *local = NULL;
- call_frame_t *frame = NULL;
- int fop_errno = 0;
+ int ret = -1;
+ dht_local_t *local = NULL;
+ call_frame_t *frame = NULL;
+ int fop_errno = 0;
- frame = data;
+ frame = data;
- local = frame->local;
+ local = frame->local;
- /* This function is 'synchrounous', hence if it returns,
- we are done with the task */
- ret = dht_migrate_file (THIS, &local->loc, local->rebalance.from_subvol,
- local->rebalance.target_node, local->flags,
- &fop_errno);
+ /* This function is 'synchrounous', hence if it returns,
+ we are done with the task */
+ ret = dht_migrate_file(THIS, &local->loc, local->rebalance.from_subvol,
+ local->rebalance.target_node, local->flags,
+ &fop_errno);
- return ret;
+ return ret;
}
static int
-rebalance_task_completion (int op_ret, call_frame_t *sync_frame, void *data)
+rebalance_task_completion(int op_ret, call_frame_t *sync_frame, void *data)
{
- int32_t op_errno = EINVAL;
-
- if (op_ret == -1) {
- /* Failure of migration process, mostly due to write process.
- as we can't preserve the exact errno, lets say there was
- no space to migrate-data
- */
- op_errno = ENOSPC;
- } else if (op_ret == 1) {
- /* migration didn't happen, but is not a failure, let the user
- understand that he doesn't have permission to migrate the
- file.
- */
- op_ret = -1;
- op_errno = EPERM;
- } else if (op_ret != 0) {
- op_errno = -op_ret;
- op_ret = -1;
- }
+ int32_t op_errno = EINVAL;
- DHT_STACK_UNWIND (setxattr, sync_frame, op_ret, op_errno, NULL);
- return 0;
+ if (op_ret == -1) {
+ /* Failure of migration process, mostly due to write process.
+ as we can't preserve the exact errno, lets say there was
+ no space to migrate-data
+ */
+ op_errno = ENOSPC;
+ } else if (op_ret == 1) {
+ /* migration didn't happen, but is not a failure, let the user
+ understand that he doesn't have permission to migrate the
+ file.
+ */
+ op_ret = -1;
+ op_errno = EPERM;
+ } else if (op_ret != 0) {
+ op_errno = -op_ret;
+ op_ret = -1;
+ }
+
+ DHT_STACK_UNWIND(setxattr, sync_frame, op_ret, op_errno, NULL);
+ return 0;
}
int
-dht_start_rebalance_task (xlator_t *this, call_frame_t *frame)
+dht_start_rebalance_task(xlator_t *this, call_frame_t *frame)
{
- int ret = -1;
+ int ret = -1;
- ret = synctask_new (this->ctx->env, rebalance_task,
- rebalance_task_completion,
- frame, frame);
- return ret;
+ ret = synctask_new(this->ctx->env, rebalance_task,
+ rebalance_task_completion, frame, frame);
+ return ret;
}
-
int
-gf_listener_stop (xlator_t *this)
+gf_listener_stop(xlator_t *this)
{
- glusterfs_ctx_t *ctx = NULL;
- cmd_args_t *cmd_args = NULL;
- int ret = 0;
-
- ctx = this->ctx;
- GF_ASSERT (ctx);
- cmd_args = &ctx->cmd_args;
- if (cmd_args->sock_file) {
- ret = sys_unlink (cmd_args->sock_file);
- if (ret && (ENOENT == errno)) {
- ret = 0;
- }
- }
-
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, errno,
- DHT_MSG_SOCKET_ERROR,
- "Failed to unlink listener "
- "socket %s", cmd_args->sock_file);
- }
- return ret;
+ glusterfs_ctx_t *ctx = NULL;
+ cmd_args_t *cmd_args = NULL;
+ int ret = 0;
+
+ ctx = this->ctx;
+ GF_ASSERT(ctx);
+ cmd_args = &ctx->cmd_args;
+ if (cmd_args->sock_file) {
+ ret = sys_unlink(cmd_args->sock_file);
+ if (ret && (ENOENT == errno)) {
+ ret = 0;
+ }
+ }
+
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, errno, DHT_MSG_SOCKET_ERROR,
+ "Failed to unlink listener "
+ "socket %s",
+ cmd_args->sock_file);
+ }
+ return ret;
}
void
-dht_build_root_inode (xlator_t *this, inode_t **inode)
+dht_build_root_inode(xlator_t *this, inode_t **inode)
{
- inode_table_t *itable = NULL;
- uuid_t root_gfid = {0, };
+ inode_table_t *itable = NULL;
+ static uuid_t root_gfid = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1};
- itable = inode_table_new (0, this);
- if (!itable)
- return;
+ itable = inode_table_new(0, this);
+ if (!itable)
+ return;
- root_gfid[15] = 1;
- *inode = inode_find (itable, root_gfid);
+ *inode = inode_find(itable, root_gfid);
}
void
-dht_build_root_loc (inode_t *inode, loc_t *loc)
+dht_build_root_loc(inode_t *inode, loc_t *loc)
{
- loc->path = "/";
- loc->inode = inode;
- loc->inode->ia_type = IA_IFDIR;
- memset (loc->gfid, 0, 16);
- loc->gfid[15] = 1;
+ loc->path = "/";
+ loc->inode = inode;
+ loc->inode->ia_type = IA_IFDIR;
+ memset(loc->gfid, 0, 16);
+ loc->gfid[15] = 1;
}
/* return values: 1 -> error, bug ignore and continue
0 -> proceed
-1 -> error, handle it */
int32_t
-gf_defrag_handle_migrate_error (int32_t op_errno, gf_defrag_info_t *defrag)
+gf_defrag_handle_migrate_error(int32_t op_errno, gf_defrag_info_t *defrag)
{
- int ret = 0;
- /* if errno is not ENOTCONN, we can still continue
- with rebalance process */
- if (op_errno != ENOTCONN) {
- ret = 1;
- goto out;
- }
-
- if (op_errno == ENOTCONN) {
- /* Most probably mount point went missing (mostly due
- to a brick down), say rebalance failure to user,
- let him restart it if everything is fine */
- defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
- ret = -1;
- goto out;
- }
+ int ret = 0;
+ /* if errno is not ENOTCONN, we can still continue
+ with rebalance process */
+ if (op_errno != ENOTCONN) {
+ ret = 1;
+ goto out;
+ }
+
+ if (op_errno == ENOTCONN) {
+ /* Most probably mount point went missing (mostly due
+ to a brick down), say rebalance failure to user,
+ let him restart it if everything is fine */
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
+ ret = -1;
+ goto out;
+ }
out:
- return ret;
+ return ret;
}
static gf_boolean_t
-gf_defrag_pattern_match (gf_defrag_info_t *defrag, char *name, uint64_t size)
+gf_defrag_pattern_match(gf_defrag_info_t *defrag, char *name, uint64_t size)
{
- gf_defrag_pattern_list_t *trav = NULL;
- gf_boolean_t match = _gf_false;
- gf_boolean_t ret = _gf_false;
+ gf_defrag_pattern_list_t *trav = NULL;
+ gf_boolean_t match = _gf_false;
+ gf_boolean_t ret = _gf_false;
- GF_VALIDATE_OR_GOTO ("dht", defrag, out);
+ GF_VALIDATE_OR_GOTO("dht", defrag, out);
- trav = defrag->defrag_pattern;
- while (trav) {
- if (!fnmatch (trav->path_pattern, name, FNM_NOESCAPE)) {
- match = _gf_true;
- break;
- }
- trav = trav->next;
+ trav = defrag->defrag_pattern;
+ while (trav) {
+ if (!fnmatch(trav->path_pattern, name, FNM_NOESCAPE)) {
+ match = _gf_true;
+ break;
}
+ trav = trav->next;
+ }
- if ((match == _gf_true) && (size >= trav->size))
- ret = _gf_true;
+ if ((match == _gf_true) && (size >= trav->size))
+ ret = _gf_true;
- out:
- return ret;
+out:
+ return ret;
}
-int dht_dfreaddirp_done (dht_dfoffset_ctx_t *offset_var, int cnt) {
-
- int i;
- int result = 1;
+int
+dht_dfreaddirp_done(dht_dfoffset_ctx_t *offset_var, int cnt)
+{
+ int i;
+ int result = 1;
- for (i = 0; i < cnt; i++) {
- if (offset_var[i].readdir_done == 0) {
- result = 0;
- break;
- }
+ for (i = 0; i < cnt; i++) {
+ if (offset_var[i].readdir_done == 0) {
+ result = 0;
+ break;
}
- return result;
+ }
+ return result;
}
-int static
-gf_defrag_ctx_subvols_init (dht_dfoffset_ctx_t *offset_var, xlator_t *this) {
-
- int i;
- dht_conf_t *conf = NULL;
+int static gf_defrag_ctx_subvols_init(dht_dfoffset_ctx_t *offset_var,
+ xlator_t *this)
+{
+ int i;
+ dht_conf_t *conf = NULL;
- conf = this->private;
+ conf = this->private;
- if (!conf)
- return -1;
+ if (!conf)
+ return -1;
- for (i = 0; i < conf->local_subvols_cnt; i++) {
- offset_var[i].this = conf->local_subvols[i];
- offset_var[i].offset = (off_t) 0;
- offset_var[i].readdir_done = 0;
- }
+ for (i = 0; i < conf->local_subvols_cnt; i++) {
+ offset_var[i].this = conf->local_subvols[i];
+ offset_var[i].offset = (off_t)0;
+ offset_var[i].readdir_done = 0;
+ }
- return 0;
+ return 0;
}
-
static int
-dht_get_first_non_null_index (subvol_nodeuuids_info_t *entry)
+dht_get_first_non_null_index(subvol_nodeuuids_info_t *entry)
{
- int i = 0;
- int index = 0;
+ int i = 0;
+ int index = 0;
- for (i = 0; i < entry->count; i++) {
- if (!gf_uuid_is_null (entry->elements[i].uuid)) {
- index = i;
- goto out;
- }
+ for (i = 0; i < entry->count; i++) {
+ if (!gf_uuid_is_null(entry->elements[i].uuid)) {
+ index = i;
+ goto out;
}
+ }
- if (i == entry->count) {
- index = -1;
- }
+ if (i == entry->count) {
+ index = -1;
+ }
out:
- return index;
+ return index;
}
-
/* Return value
* 0 : this node does not migrate the file
* 1 : this node migrates the file
@@ -2688,2750 +2538,2165 @@ out:
* all hardlinks.
*/
-int
-gf_defrag_should_i_migrate (xlator_t *this, int local_subvol_index, uuid_t gfid)
+gf_boolean_t
+gf_defrag_should_i_migrate(xlator_t *this, int local_subvol_index, uuid_t gfid)
{
- int ret = 0;
- int i = local_subvol_index;
- char *str = NULL;
- uint32_t hashval = 0;
- int32_t index = 0;
- dht_conf_t *conf = NULL;
- char buf[UUID_CANONICAL_FORM_LEN + 1] = {0, };
- subvol_nodeuuids_info_t *entry = NULL;
-
-
- conf = this->private;
-
- /* Pure distribute. A subvol in this case
- will be handled by only one node */
-
- entry = &(conf->local_nodeuuids[i]);
- if (entry->count == 1) {
- return 1;
- }
-
- str = uuid_utoa_r (gfid, buf);
- ret = dht_hash_compute (this, 0, str, &hashval);
- if (ret == 0) {
- index = (hashval % entry->count);
- if (entry->elements[index].info
- == REBAL_NODEUUID_MINE) {
- /* Index matches this node's nodeuuid.*/
- ret = 1;
- goto out;
- }
-
- /* Brick down - some other node has to migrate these files*/
- if (gf_uuid_is_null (entry->elements[index].uuid)) {
- /* Fall back to the first non-null index */
- index = dht_get_first_non_null_index (entry);
-
- if (index == -1) {
- /* None of the bricks in the subvol are up.
- * CHILD_DOWN will kill the process soon */
-
- return 0;
- }
-
- if (entry->elements[index].info == REBAL_NODEUUID_MINE) {
- /* Index matches this node's nodeuuid.*/
- ret = 1;
- goto out;
- }
- }
+ gf_boolean_t ret = _gf_false;
+ int i = local_subvol_index;
+ char *str = NULL;
+ uint32_t hashval = 0;
+ int32_t index = 0;
+ dht_conf_t *conf = NULL;
+ char buf[UUID_CANONICAL_FORM_LEN + 1] = {
+ 0,
+ };
+ subvol_nodeuuids_info_t *entry = NULL;
+
+ conf = this->private;
+
+ /* Pure distribute. A subvol in this case
+ will be handled by only one node */
+
+ entry = &(conf->local_nodeuuids[i]);
+ if (entry->count == 1) {
+ return 1;
+ }
+
+ str = uuid_utoa_r(gfid, buf);
+ if (dht_hash_compute(this, 0, str, &hashval) == 0) {
+ index = (hashval % entry->count);
+ if (entry->elements[index].info == REBAL_NODEUUID_MINE) {
+ /* Index matches this node's nodeuuid.*/
+ ret = _gf_true;
+ goto out;
+ }
+
+ /* Brick down - some other node has to migrate these files*/
+ if (gf_uuid_is_null(entry->elements[index].uuid)) {
+ /* Fall back to the first non-null index */
+ index = dht_get_first_non_null_index(entry);
+
+ if (index == -1) {
+ /* None of the bricks in the subvol are up.
+ * CHILD_DOWN will kill the process soon */
+
+ return _gf_false;
+ }
+
+ if (entry->elements[index].info == REBAL_NODEUUID_MINE) {
+ /* Index matches this node's nodeuuid.*/
+ ret = _gf_true;
+ goto out;
+ }
}
+ }
out:
- return ret;
+ return ret;
}
-
int
-gf_defrag_migrate_single_file (void *opaque)
+gf_defrag_migrate_single_file(void *opaque)
{
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- gf_defrag_info_t *defrag = NULL;
- int ret = 0;
- gf_dirent_t *entry = NULL;
- struct timeval start = {0,};
- loc_t entry_loc = {0,};
- loc_t *loc = NULL;
- struct iatt iatt = {0,};
- dict_t *migrate_data = NULL;
- struct timeval end = {0,};
- double elapsed = {0,};
- struct dht_container *rebal_entry = NULL;
- inode_t *inode = NULL;
- xlator_t *hashed_subvol = NULL;
- xlator_t *cached_subvol = NULL;
- call_frame_t *statfs_frame = NULL;
- xlator_t *old_THIS = NULL;
- data_t *tmp = NULL;
- int fop_errno = 0;
- gf_dht_migrate_data_type_t rebal_type = GF_DHT_MIGRATE_DATA;
- char value[MAX_REBAL_TYPE_SIZE] = {0,};
- struct iatt *iatt_ptr = NULL;
- gf_boolean_t update_skippedcount = _gf_true;
- int i = 0;
-
- rebal_entry = (struct dht_container *)opaque;
- if (!rebal_entry) {
- gf_log ("DHT", GF_LOG_ERROR, "rebal_entry is NULL");
- ret = -1;
- goto out;
- }
-
- this = rebal_entry->this;
-
- conf = this->private;
-
- defrag = conf->defrag;
-
- loc = rebal_entry->parent_loc;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ gf_defrag_info_t *defrag = NULL;
+ int ret = 0;
+ gf_dirent_t *entry = NULL;
+ struct timeval start = {
+ 0,
+ };
+ loc_t entry_loc = {
+ 0,
+ };
+ loc_t *loc = NULL;
+ struct iatt iatt = {
+ 0,
+ };
+ dict_t *migrate_data = NULL;
+ struct timeval end = {
+ 0,
+ };
+ double elapsed = {
+ 0,
+ };
+ struct dht_container *rebal_entry = NULL;
+ inode_t *inode = NULL;
+ xlator_t *hashed_subvol = NULL;
+ xlator_t *cached_subvol = NULL;
+ call_frame_t *statfs_frame = NULL;
+ xlator_t *old_THIS = NULL;
+ data_t *tmp = NULL;
+ int fop_errno = 0;
+ gf_dht_migrate_data_type_t rebal_type = GF_DHT_MIGRATE_DATA;
+ char value[MAX_REBAL_TYPE_SIZE] = {
+ 0,
+ };
+ struct iatt *iatt_ptr = NULL;
+ gf_boolean_t update_skippedcount = _gf_true;
+ int i = 0;
+ gf_boolean_t should_i_migrate = 0;
+
+ rebal_entry = (struct dht_container *)opaque;
+ if (!rebal_entry) {
+ gf_log("DHT", GF_LOG_ERROR, "rebal_entry is NULL");
+ ret = -1;
+ goto out;
+ }
- migrate_data = rebal_entry->migrate_data;
+ this = rebal_entry->this;
- entry = rebal_entry->df_entry;
- iatt_ptr = &entry->d_stat;
+ conf = this->private;
- if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
- ret = -1;
- goto out;
- }
+ defrag = conf->defrag;
- if (defrag->stats == _gf_true) {
- gettimeofday (&start, NULL);
- }
+ loc = rebal_entry->parent_loc;
- if (defrag->defrag_pattern &&
- (gf_defrag_pattern_match (defrag, entry->d_name,
- entry->d_stat.ia_size) == _gf_false)) {
- gf_log (this->name, GF_LOG_ERROR, "pattern_match failed");
- goto out;
- }
+ migrate_data = rebal_entry->migrate_data;
- memset (&entry_loc, 0, sizeof (entry_loc));
+ entry = rebal_entry->df_entry;
+ iatt_ptr = &entry->d_stat;
- ret = dht_build_child_loc (this, &entry_loc, loc, entry->d_name);
- if (ret) {
- LOCK (&defrag->lock);
- {
- defrag->total_failures += 1;
- }
- UNLOCK (&defrag->lock);
+ if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
+ ret = -1;
+ goto out;
+ }
- ret = 0;
+ if (defrag->stats == _gf_true) {
+ gettimeofday(&start, NULL);
+ }
- gf_log (this->name, GF_LOG_ERROR, "Child loc build failed");
+ if (defrag->defrag_pattern &&
+ (gf_defrag_pattern_match(defrag, entry->d_name,
+ entry->d_stat.ia_size) == _gf_false)) {
+ gf_log(this->name, GF_LOG_ERROR, "pattern_match failed");
+ goto out;
+ }
- goto out;
- }
+ memset(&entry_loc, 0, sizeof(entry_loc));
- if (!gf_defrag_should_i_migrate (this, rebal_entry->local_subvol_index,
- entry->d_stat.ia_gfid)) {
- gf_msg_debug (this->name, 0, "Don't migrate %s ",
- entry_loc.path);
- goto out;
+ ret = dht_build_child_loc(this, &entry_loc, loc, entry->d_name);
+ if (ret) {
+ LOCK(&defrag->lock);
+ {
+ defrag->total_failures += 1;
}
+ UNLOCK(&defrag->lock);
- gf_uuid_copy (entry_loc.gfid, entry->d_stat.ia_gfid);
-
- gf_uuid_copy (entry_loc.pargfid, loc->gfid);
-
- ret = syncop_lookup (this, &entry_loc, &iatt, NULL, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "Migrate file failed: %s lookup failed",
- entry_loc.path);
-
- /* Increase failure count only for remove-brick op, so that
- * user is warned to check the removed-brick for any files left
- * unmigrated
- */
- if (conf->decommission_subvols_cnt) {
- LOCK (&defrag->lock);
- {
- defrag->total_failures += 1;
- }
- UNLOCK (&defrag->lock);
- }
+ ret = 0;
- ret = 0;
- goto out;
- }
+ gf_log(this->name, GF_LOG_ERROR, "Child loc build failed");
- iatt_ptr = &iatt;
+ goto out;
+ }
- hashed_subvol = dht_subvol_get_hashed (this, &entry_loc);
- if (!hashed_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "Failed to get hashed subvol for %s",
- entry_loc.path);
- ret = 0;
- goto out;
- }
+ should_i_migrate = gf_defrag_should_i_migrate(
+ this, rebal_entry->local_subvol_index, entry->d_stat.ia_gfid);
- cached_subvol = dht_subvol_get_cached (this, entry_loc.inode);
- if (!cached_subvol) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_CACHED_SUBVOL_GET_FAILED,
- "Failed to get cached subvol for %s",
- entry_loc.path);
+ gf_uuid_copy(entry_loc.gfid, entry->d_stat.ia_gfid);
- ret = 0;
- goto out;
- }
+ gf_uuid_copy(entry_loc.pargfid, loc->gfid);
- if (hashed_subvol == cached_subvol) {
- ret = 0;
- goto out;
- }
+ ret = syncop_lookup(this, &entry_loc, &iatt, NULL, NULL, NULL);
- inode = inode_link (entry_loc.inode, entry_loc.parent, entry->d_name, &iatt);
- inode_unref (entry_loc.inode);
- /* use the inode returned by inode_link */
- entry_loc.inode = inode;
-
- old_THIS = THIS;
- THIS = this;
- statfs_frame = create_frame (this, this->ctx->pool);
- if (!statfs_frame) {
- gf_msg (this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, ENOMEM,
- "Insufficient memory. Frame creation failed");
- ret = -1;
- goto out;
+ if (!should_i_migrate) {
+ /* this node isn't supposed to migrate the file. suppressing any
+ * potential error from lookup as this file is under migration by
+ * another node */
+ if (ret) {
+ gf_msg_debug(this->name, -ret,
+ "Ignoring lookup failure: node isn't migrating %s",
+ entry_loc.path);
+ ret = 0;
+ }
+ gf_msg_debug(this->name, 0, "Don't migrate %s ", entry_loc.path);
+ goto out;
+ }
+
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_MIGRATE_FILE_FAILED,
+ "Migrate file failed: %s lookup failed", entry_loc.path);
+
+ /* Increase failure count only for remove-brick op, so that
+ * user is warned to check the removed-brick for any files left
+ * unmigrated
+ */
+ if (conf->decommission_subvols_cnt) {
+ LOCK(&defrag->lock);
+ {
+ defrag->total_failures += 1;
+ }
+ UNLOCK(&defrag->lock);
}
- /* async statfs information for honoring min-free-disk */
- dht_get_du_info (statfs_frame, this, loc);
- THIS = old_THIS;
+ ret = 0;
+ goto out;
+ }
- tmp = dict_get (migrate_data, GF_XATTR_FILE_MIGRATE_KEY);
- if (tmp) {
- memcpy (value, tmp->data, tmp->len);
- if (strcmp (value, "force") == 0)
- rebal_type = GF_DHT_MIGRATE_DATA_EVEN_IF_LINK_EXISTS;
+ iatt_ptr = &iatt;
- if (conf->decommission_in_progress)
- rebal_type = GF_DHT_MIGRATE_HARDLINK;
- }
+ hashed_subvol = dht_subvol_get_hashed(this, &entry_loc);
+ if (!hashed_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_HASHED_SUBVOL_GET_FAILED,
+ "Failed to get hashed subvol for %s", entry_loc.path);
+ ret = 0;
+ goto out;
+ }
- ret = dht_migrate_file (this, &entry_loc, cached_subvol,
- hashed_subvol, rebal_type, &fop_errno);
- if (ret == 1) {
- if (fop_errno == ENOSPC) {
- gf_msg_debug (this->name, 0, "migrate-data skipped for"
- " %s due to space constraints",
- entry_loc.path);
-
- /* For remove-brick case if the source is not one of the
- * removed-brick, do not mark the error as failure */
- if (conf->decommission_subvols_cnt) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->decommissioned_bricks[i] == cached_subvol) {
- LOCK (&defrag->lock);
- {
- defrag->total_failures += 1;
- update_skippedcount = _gf_false;
- }
- UNLOCK (&defrag->lock);
-
- break;
- }
- }
- }
+ cached_subvol = dht_subvol_get_cached(this, entry_loc.inode);
+ if (!cached_subvol) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_CACHED_SUBVOL_GET_FAILED,
+ "Failed to get cached subvol for %s", entry_loc.path);
- if (update_skippedcount) {
- LOCK (&defrag->lock);
- {
- defrag->skipped += 1;
- }
- UNLOCK (&defrag->lock);
-
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_MIGRATE_FILE_SKIPPED,
- "File migration skipped for %s.",
- entry_loc.path);
- }
+ ret = 0;
+ goto out;
+ }
- } else if (fop_errno == ENOTSUP) {
- gf_msg_debug (this->name, 0, "migrate-data skipped for"
- " hardlink %s ", entry_loc.path);
- LOCK (&defrag->lock);
+ if (hashed_subvol == cached_subvol) {
+ ret = 0;
+ goto out;
+ }
+
+ inode = inode_link(entry_loc.inode, entry_loc.parent, entry->d_name, &iatt);
+ inode_unref(entry_loc.inode);
+ /* use the inode returned by inode_link */
+ entry_loc.inode = inode;
+
+ old_THIS = THIS;
+ THIS = this;
+ statfs_frame = create_frame(this, this->ctx->pool);
+ if (!statfs_frame) {
+ gf_msg(this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, ENOMEM,
+ "Insufficient memory. Frame creation failed");
+ ret = -1;
+ goto out;
+ }
+
+ /* async statfs information for honoring min-free-disk */
+ dht_get_du_info(statfs_frame, this, loc);
+ THIS = old_THIS;
+
+ tmp = dict_get(migrate_data, GF_XATTR_FILE_MIGRATE_KEY);
+ if (tmp) {
+ memcpy(value, tmp->data, tmp->len);
+ if (strcmp(value, "force") == 0)
+ rebal_type = GF_DHT_MIGRATE_DATA_EVEN_IF_LINK_EXISTS;
+
+ if (conf->decommission_in_progress)
+ rebal_type = GF_DHT_MIGRATE_HARDLINK;
+ }
+
+ ret = dht_migrate_file(this, &entry_loc, cached_subvol, hashed_subvol,
+ rebal_type, &fop_errno);
+ if (ret == 1) {
+ if (fop_errno == ENOSPC) {
+ gf_msg_debug(this->name, 0,
+ "migrate-data skipped for"
+ " %s due to space constraints",
+ entry_loc.path);
+
+ /* For remove-brick case if the source is not one of the
+ * removed-brick, do not mark the error as failure */
+ if (conf->decommission_subvols_cnt) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->decommissioned_bricks[i] == cached_subvol) {
+ LOCK(&defrag->lock);
{
- defrag->skipped += 1;
+ defrag->total_failures += 1;
+ update_skippedcount = _gf_false;
}
- UNLOCK (&defrag->lock);
+ UNLOCK(&defrag->lock);
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_MIGRATE_FILE_SKIPPED,
- "File migration skipped for %s.",
- entry_loc.path);
+ break;
+ }
}
+ }
- ret = 0;
-
- } else if (ret < 0) {
- if (fop_errno != EEXIST) {
- gf_msg (this->name, GF_LOG_ERROR, fop_errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "migrate-data failed for %s", entry_loc.path);
-
- LOCK (&defrag->lock);
- {
- defrag->total_failures += 1;
- }
- UNLOCK (&defrag->lock);
-
+ if (update_skippedcount) {
+ LOCK(&defrag->lock);
+ {
+ defrag->skipped += 1;
}
+ UNLOCK(&defrag->lock);
- ret = gf_defrag_handle_migrate_error (fop_errno, defrag);
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_MIGRATE_FILE_SKIPPED,
+ "File migration skipped for %s.", entry_loc.path);
+ }
- if (!ret) {
- gf_msg(this->name, GF_LOG_ERROR, fop_errno,
- DHT_MSG_MIGRATE_FILE_FAILED,
- "migrate-data on %s failed:", entry_loc.path);
- } else if (ret == 1) {
- ret = 0;
- }
+ } else if (fop_errno == ENOTSUP) {
+ gf_msg_debug(this->name, 0,
+ "migrate-data skipped for"
+ " hardlink %s ",
+ entry_loc.path);
+ LOCK(&defrag->lock);
+ {
+ defrag->skipped += 1;
+ }
+ UNLOCK(&defrag->lock);
- goto out;
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_MIGRATE_FILE_SKIPPED,
+ "File migration skipped for %s.", entry_loc.path);
}
- LOCK (&defrag->lock);
- {
- defrag->total_files += 1;
- defrag->total_data += iatt.ia_size;
- }
- UNLOCK (&defrag->lock);
-
- if (defrag->stats == _gf_true) {
- gettimeofday (&end, NULL);
- elapsed = (end.tv_sec - start.tv_sec) * 1e6 +
- (end.tv_usec - start.tv_usec);
- gf_log (this->name, GF_LOG_INFO, "Migration of "
- "file:%s size:%"PRIu64" bytes took %.2f"
- "secs and ret: %d", entry_loc.name,
- iatt.ia_size, elapsed/1e6, ret);
- }
+ ret = 0;
+ goto out;
+ } else if (ret < 0) {
+ if (fop_errno != EEXIST) {
+ gf_msg(this->name, GF_LOG_ERROR, fop_errno,
+ DHT_MSG_MIGRATE_FILE_FAILED, "migrate-data failed for %s",
+ entry_loc.path);
-out:
- if (statfs_frame) {
- STACK_DESTROY (statfs_frame->root);
+ LOCK(&defrag->lock);
+ {
+ defrag->total_failures += 1;
+ }
+ UNLOCK(&defrag->lock);
}
- if (iatt_ptr) {
- LOCK (&defrag->lock);
- {
- defrag->size_processed += iatt_ptr->ia_size;
- }
- UNLOCK (&defrag->lock);
- }
- loc_wipe (&entry_loc);
+ ret = gf_defrag_handle_migrate_error(fop_errno, defrag);
- return ret;
+ if (!ret) {
+ gf_msg(this->name, GF_LOG_ERROR, fop_errno,
+ DHT_MSG_MIGRATE_FILE_FAILED,
+ "migrate-data on %s failed:", entry_loc.path);
+ } else if (ret == 1) {
+ ret = 0;
+ }
+
+ goto out;
+ }
+
+ LOCK(&defrag->lock);
+ {
+ defrag->total_files += 1;
+ defrag->total_data += iatt.ia_size;
+ }
+ UNLOCK(&defrag->lock);
+
+ if (defrag->stats == _gf_true) {
+ gettimeofday(&end, NULL);
+ elapsed = gf_tvdiff(&start, &end);
+ gf_log(this->name, GF_LOG_INFO,
+ "Migration of "
+ "file:%s size:%" PRIu64
+ " bytes took %.2f"
+ "secs and ret: %d",
+ entry_loc.name, iatt.ia_size, elapsed / 1e6, ret);
+ }
-}
+out:
+ if (statfs_frame) {
+ STACK_DESTROY(statfs_frame->root);
+ }
-void *
-gf_defrag_task (void *opaque)
-{
- struct list_head *q_head = NULL;
- struct dht_container *iterator = NULL;
- gf_defrag_info_t *defrag = NULL;
- int ret = 0;
- pid_t pid = GF_CLIENT_PID_DEFRAG;
-
- defrag = (gf_defrag_info_t *)opaque;
- if (!defrag) {
- gf_msg ("dht", GF_LOG_ERROR, 0, 0, "defrag is NULL");
- goto out;
+ if (iatt_ptr) {
+ LOCK(&defrag->lock);
+ {
+ defrag->size_processed += iatt_ptr->ia_size;
}
+ UNLOCK(&defrag->lock);
+ }
+ loc_wipe(&entry_loc);
- syncopctx_setfspid (&pid);
-
- q_head = &(defrag->queue[0].list);
-
- /* The following while loop will dequeue one entry from the defrag->queue
- under lock. We will update the defrag->global_error only when there
- is an error which is critical to stop the rebalance process. The stop
- message will be intimated to other migrator threads by setting the
- defrag->defrag_status to GF_DEFRAG_STATUS_FAILED.
-
- In defrag->queue, a low watermark (MIN_MIGRATE_QUEUE_COUNT) is
- maintained so that crawler does not starve the file migration
- workers and a high watermark (MAX_MIGRATE_QUEUE_COUNT) so that
- crawler does not go far ahead in filling up the queue.
- */
-
- while (_gf_true) {
-
- if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
- pthread_cond_broadcast (
- &defrag->rebalance_crawler_alarm);
- pthread_cond_broadcast (
- &defrag->parallel_migration_cond);
- goto out;
- }
-
- pthread_mutex_lock (&defrag->dfq_mutex);
- {
-
- /*Throttle down:
- If the reconfigured count is less than current thread
- count, then the current thread will sleep */
-
- /*TODO: Need to refactor the following block to work
- *under defrag->lock. For now access
- * defrag->current_thread_count and rthcount under
- * dfq_mutex lock */
- while (!defrag->crawl_done &&
- (defrag->recon_thread_count <
- defrag->current_thread_count)) {
- defrag->current_thread_count--;
- gf_msg_debug ("DHT", 0, "Thread sleeping. "
- "current thread count: %d",
- defrag->current_thread_count);
-
- pthread_cond_wait (
- &defrag->df_wakeup_thread,
- &defrag->dfq_mutex);
-
- defrag->current_thread_count++;
- gf_msg_debug ("DHT", 0, "Thread wokeup. "
- "current thread count: %d",
- defrag->current_thread_count);
-
- }
-
- if (defrag->q_entry_count) {
- iterator = list_entry (q_head->next,
- typeof(*iterator), list);
-
- gf_msg_debug ("DHT", 0, "picking entry "
- "%s", iterator->df_entry->d_name);
-
- list_del_init (&(iterator->list));
-
- defrag->q_entry_count--;
-
- if ((defrag->q_entry_count <
- MIN_MIGRATE_QUEUE_COUNT) &&
- defrag->wakeup_crawler) {
- pthread_cond_broadcast (
- &defrag->rebalance_crawler_alarm);
- }
- pthread_mutex_unlock (&defrag->dfq_mutex);
- ret = gf_defrag_migrate_single_file
- ((void *)iterator);
-
- /*Critical errors: ENOTCONN and ENOSPACE*/
- if (ret) {
- dht_set_global_defrag_error
- (defrag, ret);
-
- defrag->defrag_status =
- GF_DEFRAG_STATUS_FAILED;
-
- pthread_cond_broadcast (
- &defrag->rebalance_crawler_alarm);
-
- pthread_cond_broadcast (
- &defrag->parallel_migration_cond);
-
- goto out;
- }
-
- gf_defrag_free_container (iterator);
-
- continue;
- } else {
-
- /* defrag->crawl_done flag is set means crawling
- file system is done and hence a list_empty when
- the above flag is set indicates there are no more
- entries to be added to the queue and rebalance is
- finished */
-
- if (!defrag->crawl_done) {
-
- defrag->current_thread_count--;
- gf_msg_debug ("DHT", 0, "Thread "
- "sleeping while waiting "
- "for migration entries. "
- "current thread count:%d",
- defrag->current_thread_count);
-
- pthread_cond_wait (
- &defrag->parallel_migration_cond,
- &defrag->dfq_mutex);
- }
-
- if (defrag->crawl_done &&
- !defrag->q_entry_count) {
- defrag->current_thread_count++;
- gf_msg_debug ("DHT", 0, "Exiting thread");
-
- pthread_cond_broadcast (
- &defrag->parallel_migration_cond);
- goto unlock;
- } else {
- defrag->current_thread_count++;
- gf_msg_debug ("DHT", 0, "Thread woke up"
- " as found migrating entries. "
- "current thread count:%d",
- defrag->current_thread_count);
-
- pthread_mutex_unlock
- (&defrag->dfq_mutex);
- continue;
- }
- }
-
- }
-unlock:
- pthread_mutex_unlock (&defrag->dfq_mutex);
- break;
- }
-out:
- return NULL;
+ return ret;
}
-int static
-gf_defrag_get_entry (xlator_t *this, int i, struct dht_container **container,
- loc_t *loc, dht_conf_t *conf, gf_defrag_info_t *defrag,
- fd_t *fd, dict_t *migrate_data,
- struct dir_dfmeta *dir_dfmeta, dict_t *xattr_req,
- int *should_commit_hash, int *perrno)
+void *
+gf_defrag_task(void *opaque)
{
- int ret = -1;
- char is_linkfile = 0;
- gf_dirent_t *df_entry = NULL;
- struct dht_container *tmp_container = NULL;
-
+ struct list_head *q_head = NULL;
+ struct dht_container *iterator = NULL;
+ gf_defrag_info_t *defrag = NULL;
+ int ret = 0;
+ pid_t pid = GF_CLIENT_PID_DEFRAG;
+
+ defrag = (gf_defrag_info_t *)opaque;
+ if (!defrag) {
+ gf_msg("dht", GF_LOG_ERROR, 0, 0, "defrag is NULL");
+ goto out;
+ }
+
+ syncopctx_setfspid(&pid);
+
+ q_head = &(defrag->queue[0].list);
+
+ /* The following while loop will dequeue one entry from the defrag->queue
+ under lock. We will update the defrag->global_error only when there
+ is an error which is critical to stop the rebalance process. The stop
+ message will be intimated to other migrator threads by setting the
+ defrag->defrag_status to GF_DEFRAG_STATUS_FAILED.
+
+ In defrag->queue, a low watermark (MIN_MIGRATE_QUEUE_COUNT) is
+ maintained so that crawler does not starve the file migration
+ workers and a high watermark (MAX_MIGRATE_QUEUE_COUNT) so that
+ crawler does not go far ahead in filling up the queue.
+ */
+
+ while (_gf_true) {
if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
- ret = -1;
- goto out;
- }
-
- if (dir_dfmeta->offset_var[i].readdir_done == 1) {
- ret = 0;
- goto out;
- }
-
- if (dir_dfmeta->fetch_entries[i] == 1) {
- ret = syncop_readdirp (conf->local_subvols[i], fd, 131072,
- dir_dfmeta->offset_var[i].offset,
- &(dir_dfmeta->equeue[i]),
- xattr_req, NULL);
- if (ret == 0) {
- dir_dfmeta->offset_var[i].readdir_done = 1;
- ret = 0;
- goto out;
- }
-
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_DATA_FAILED,
- "Readdirp failed. Aborting data migration for "
- "directory: %s", loc->path);
- *perrno = -ret;
- ret = -1;
- goto out;
- }
-
- if (list_empty (&(dir_dfmeta->equeue[i].list))) {
- dir_dfmeta->offset_var[i].readdir_done = 1;
- ret = 0;
- goto out;
- }
-
- dir_dfmeta->fetch_entries[i] = 0;
+ pthread_cond_broadcast(&defrag->rebalance_crawler_alarm);
+ pthread_cond_broadcast(&defrag->parallel_migration_cond);
+ goto out;
}
- while (1) {
-
- if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
- ret = -1;
- goto out;
- }
-
- df_entry = list_entry (dir_dfmeta->iterator[i]->next,
- typeof (*df_entry), list);
-
- if (&df_entry->list == dir_dfmeta->head[i]) {
- gf_dirent_free (&(dir_dfmeta->equeue[i]));
- INIT_LIST_HEAD (&(dir_dfmeta->equeue[i].list));
- dir_dfmeta->fetch_entries[i] = 1;
- dir_dfmeta->iterator[i] = dir_dfmeta->head[i];
- ret = 0;
- goto out;
- }
-
- dir_dfmeta->iterator[i] = dir_dfmeta->iterator[i]->next;
-
- dir_dfmeta->offset_var[i].offset = df_entry->d_off;
- if (!strcmp (df_entry->d_name, ".") ||
- !strcmp (df_entry->d_name, ".."))
- continue;
-
- if (IA_ISDIR (df_entry->d_stat.ia_type)) {
- defrag->size_processed += df_entry->d_stat.ia_size;
- continue;
- }
-
- defrag->num_files_lookedup++;
-
- if (defrag->defrag_pattern &&
- (gf_defrag_pattern_match (defrag, df_entry->d_name,
- df_entry->d_stat.ia_size)
- == _gf_false)) {
- defrag->size_processed += df_entry->d_stat.ia_size;
- continue;
+ pthread_mutex_lock(&defrag->dfq_mutex);
+ {
+ /*Throttle down:
+ If the reconfigured count is less than current thread
+ count, then the current thread will sleep */
+
+ /*TODO: Need to refactor the following block to work
+ *under defrag->lock. For now access
+ * defrag->current_thread_count and rthcount under
+ * dfq_mutex lock */
+ while (!defrag->crawl_done && (defrag->recon_thread_count <
+ defrag->current_thread_count)) {
+ defrag->current_thread_count--;
+ gf_msg_debug("DHT", 0,
+ "Thread sleeping. "
+ "current thread count: %d",
+ defrag->current_thread_count);
+
+ pthread_cond_wait(&defrag->df_wakeup_thread,
+ &defrag->dfq_mutex);
+
+ defrag->current_thread_count++;
+ gf_msg_debug("DHT", 0,
+ "Thread wokeup. "
+ "current thread count: %d",
+ defrag->current_thread_count);
+ }
+
+ if (defrag->q_entry_count) {
+ iterator = list_entry(q_head->next, typeof(*iterator), list);
+
+ gf_msg_debug("DHT", 0,
+ "picking entry "
+ "%s",
+ iterator->df_entry->d_name);
+
+ list_del_init(&(iterator->list));
+
+ defrag->q_entry_count--;
+
+ if ((defrag->q_entry_count < MIN_MIGRATE_QUEUE_COUNT) &&
+ defrag->wakeup_crawler) {
+ pthread_cond_broadcast(&defrag->rebalance_crawler_alarm);
}
+ pthread_mutex_unlock(&defrag->dfq_mutex);
+ ret = gf_defrag_migrate_single_file((void *)iterator);
- is_linkfile = check_is_linkfile (NULL, &df_entry->d_stat,
- df_entry->dict,
- conf->link_xattr_name);
+ /*Critical errors: ENOTCONN and ENOSPACE*/
+ if (ret) {
+ dht_set_global_defrag_error(defrag, ret);
- if (is_linkfile) {
- /* No need to add linkto file to the queue for
- migration. Only the actual data file need to
- be checked for migration criteria.
- */
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
- gf_msg_debug (this->name, 0, "Skipping linkfile"
- " %s on subvol: %s", df_entry->d_name,
- conf->local_subvols[i]->name);
- continue;
- }
+ pthread_cond_broadcast(&defrag->rebalance_crawler_alarm);
- /*Build Container Structure */
+ pthread_cond_broadcast(&defrag->parallel_migration_cond);
- tmp_container = GF_CALLOC (1, sizeof(struct dht_container),
- gf_dht_mt_container_t);
- if (!tmp_container) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to allocate "
- "memory for container");
- ret = -1;
- goto out;
+ goto out;
}
- tmp_container->df_entry = gf_dirent_for_name (df_entry->d_name);
- if (!tmp_container->df_entry) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to allocate "
- "memory for df_entry");
- ret = -1;
- goto out;
- }
-
- tmp_container->local_subvol_index = i;
-
- tmp_container->df_entry->d_stat = df_entry->d_stat;
-
- tmp_container->df_entry->d_ino = df_entry->d_ino;
- tmp_container->df_entry->d_type = df_entry->d_type;
-
- tmp_container->df_entry->d_len = df_entry->d_len;
-
- tmp_container->parent_loc = GF_CALLOC(1, sizeof(*loc),
- gf_dht_mt_loc_t);
- if (!tmp_container->parent_loc) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to allocate "
- "memory for loc");
- ret = -1;
- goto out;
+ gf_defrag_free_container(iterator);
+
+ continue;
+ } else {
+ /* defrag->crawl_done flag is set means crawling
+ file system is done and hence a list_empty when
+ the above flag is set indicates there are no more
+ entries to be added to the queue and rebalance is
+ finished */
+
+ if (!defrag->crawl_done) {
+ defrag->current_thread_count--;
+ gf_msg_debug("DHT", 0,
+ "Thread "
+ "sleeping while waiting "
+ "for migration entries. "
+ "current thread count:%d",
+ defrag->current_thread_count);
+
+ pthread_cond_wait(&defrag->parallel_migration_cond,
+ &defrag->dfq_mutex);
}
+ if (defrag->crawl_done && !defrag->q_entry_count) {
+ defrag->current_thread_count++;
+ gf_msg_debug("DHT", 0, "Exiting thread");
- ret = loc_copy (tmp_container->parent_loc, loc);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "loc_copy failed");
- ret = -1;
- goto out;
+ pthread_cond_broadcast(&defrag->parallel_migration_cond);
+ goto unlock;
+ } else {
+ defrag->current_thread_count++;
+ gf_msg_debug("DHT", 0,
+ "Thread woke up"
+ " as found migrating entries. "
+ "current thread count:%d",
+ defrag->current_thread_count);
+
+ pthread_mutex_unlock(&defrag->dfq_mutex);
+ continue;
}
-
- tmp_container->migrate_data = migrate_data;
-
- tmp_container->this = this;
-
- if (df_entry->dict)
- tmp_container->df_entry->dict =
- dict_ref (df_entry->dict);
-
- /*Build Container Structure >> END*/
-
- ret = 0;
- goto out;
-
+ }
}
-
+ unlock:
+ pthread_mutex_unlock(&defrag->dfq_mutex);
+ break;
+ }
out:
- if (ret == 0) {
- *container = tmp_container;
- } else {
- if (tmp_container) {
- gf_defrag_free_container (tmp_container);
- }
- }
-
- return ret;
+ return NULL;
}
-int
-gf_defrag_process_dir (xlator_t *this, gf_defrag_info_t *defrag, loc_t *loc,
- dict_t *migrate_data, int *perrno)
+int static gf_defrag_get_entry(xlator_t *this, int i,
+ struct dht_container **container, loc_t *loc,
+ dht_conf_t *conf, gf_defrag_info_t *defrag,
+ fd_t *fd, dict_t *migrate_data,
+ struct dir_dfmeta *dir_dfmeta, dict_t *xattr_req,
+ int *perrno)
{
- int ret = -1;
- fd_t *fd = NULL;
- dht_conf_t *conf = NULL;
- gf_dirent_t entries;
- dict_t *xattr_req = NULL;
- struct timeval dir_start = {0,};
- struct timeval end = {0,};
- double elapsed = {0,};
- int local_subvols_cnt = 0;
- int i = 0;
- int j = 0;
- struct dht_container *container = NULL;
- int ldfq_count = 0;
- int dfc_index = 0;
- int throttle_up = 0;
- struct dir_dfmeta *dir_dfmeta = NULL;
- int should_commit_hash = 1;
-
- gf_log (this->name, GF_LOG_INFO, "migrate data called on %s",
- loc->path);
- gettimeofday (&dir_start, NULL);
-
- conf = this->private;
- local_subvols_cnt = conf->local_subvols_cnt;
-
- if (!local_subvols_cnt) {
- ret = 0;
- goto out;
- }
+ int ret = 0;
+ char is_linkfile = 0;
+ gf_dirent_t *df_entry = NULL;
+ struct dht_container *tmp_container = NULL;
- fd = fd_create (loc->inode, defrag->pid);
- if (!fd) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to create fd");
- ret = -1;
- goto out;
- }
+ if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
+ ret = -1;
+ goto out;
+ }
- ret = syncop_opendir (this, loc, fd, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_MIGRATE_DATA_FAILED,
- "Migrate data failed: Failed to open dir %s",
- loc->path);
- *perrno = -ret;
- ret = -1;
- goto out;
- }
+ if (dir_dfmeta->offset_var[i].readdir_done == 1) {
+ ret = 0;
+ goto out;
+ }
- fd_bind (fd);
- dir_dfmeta = GF_CALLOC (1, sizeof (*dir_dfmeta),
- gf_common_mt_pointer);
- if (!dir_dfmeta) {
- gf_log (this->name, GF_LOG_ERROR, "dir_dfmeta is NULL");
- ret = -1;
- goto out;
+ if (dir_dfmeta->fetch_entries[i] == 1) {
+ if (!fd) {
+ dir_dfmeta->fetch_entries[i] = 0;
+ dir_dfmeta->offset_var[i].readdir_done = 1;
+ ret = 0;
+ goto out;
}
-
- dir_dfmeta->head = GF_CALLOC (local_subvols_cnt,
- sizeof (*(dir_dfmeta->head)),
- gf_common_mt_pointer);
- if (!dir_dfmeta->head) {
- gf_log (this->name, GF_LOG_ERROR, "dir_dfmeta->head is NULL");
- ret = -1;
- goto out;
+ ret = syncop_readdirp(conf->local_subvols[i], fd, 131072,
+ dir_dfmeta->offset_var[i].offset,
+ &(dir_dfmeta->equeue[i]), xattr_req, NULL);
+ if (ret == 0) {
+ dir_dfmeta->offset_var[i].readdir_done = 1;
+ ret = 0;
+ goto out;
}
- dir_dfmeta->iterator = GF_CALLOC (local_subvols_cnt,
- sizeof (*(dir_dfmeta->iterator)),
- gf_common_mt_pointer);
- if (!dir_dfmeta->iterator) {
- gf_log (this->name, GF_LOG_ERROR,
- "dir_dfmeta->iterator is NULL");
- ret = -1;
- goto out;
+ if (ret < 0) {
+ gf_msg(this->name, GF_LOG_WARNING, -ret,
+ DHT_MSG_MIGRATE_DATA_FAILED,
+ "Readdirp failed. Aborting data migration for "
+ "directory: %s",
+ loc->path);
+ *perrno = -ret;
+ ret = -1;
+ goto out;
}
- dir_dfmeta->equeue = GF_CALLOC (local_subvols_cnt, sizeof (entries),
- gf_dht_mt_dirent_t);
- if (!dir_dfmeta->equeue) {
- gf_log (this->name, GF_LOG_ERROR, "dir_dfmeta->equeue is NULL");
- ret = -1;
- goto out;
+ if (list_empty(&(dir_dfmeta->equeue[i].list))) {
+ dir_dfmeta->offset_var[i].readdir_done = 1;
+ ret = 0;
+ goto out;
}
- dir_dfmeta->offset_var = GF_CALLOC (local_subvols_cnt,
- sizeof (dht_dfoffset_ctx_t),
- gf_dht_mt_octx_t);
- if (!dir_dfmeta->offset_var) {
- gf_log (this->name, GF_LOG_ERROR,
- "dir_dfmeta->offset_var is NULL");
- ret = -1;
- goto out;
- }
- ret = gf_defrag_ctx_subvols_init (dir_dfmeta->offset_var, this);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "dht_dfoffset_ctx_t"
- "initialization failed");
- ret = -1;
- goto out;
- }
+ dir_dfmeta->fetch_entries[i] = 0;
+ }
- dir_dfmeta->fetch_entries = GF_CALLOC (local_subvols_cnt,
- sizeof (int), gf_common_mt_int);
- if (!dir_dfmeta->fetch_entries) {
- gf_log (this->name, GF_LOG_ERROR,
- "dir_dfmeta->fetch_entries is NULL");
- ret = -1;
- goto out;
- }
-
- for (i = 0; i < local_subvols_cnt ; i++) {
- INIT_LIST_HEAD (&(dir_dfmeta->equeue[i].list));
- dir_dfmeta->head[i] = &(dir_dfmeta->equeue[i].list);
- dir_dfmeta->iterator[i] = dir_dfmeta->head[i];
- dir_dfmeta->fetch_entries[i] = 1;
+ while (1) {
+ if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
+ ret = -1;
+ goto out;
}
- xattr_req = dict_new ();
- if (!xattr_req) {
- gf_log (this->name, GF_LOG_ERROR, "dict_new failed");
- ret = -1;
- goto out;
- }
+ df_entry = list_entry(dir_dfmeta->iterator[i]->next, typeof(*df_entry),
+ list);
- ret = dict_set_uint32 (xattr_req,
- conf->link_xattr_name, 256);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "failed to set dict for "
- "key: %s", conf->link_xattr_name);
- ret = -1;
- goto out;
+ if (&df_entry->list == dir_dfmeta->head[i]) {
+ gf_dirent_free(&(dir_dfmeta->equeue[i]));
+ INIT_LIST_HEAD(&(dir_dfmeta->equeue[i].list));
+ dir_dfmeta->fetch_entries[i] = 1;
+ dir_dfmeta->iterator[i] = dir_dfmeta->head[i];
+ ret = 0;
+ goto out;
}
- /*
- Job: Read entries from each local subvol and store the entries
- in equeue array of linked list. Now pick one entry from the
- equeue array in a round robin basis and add them to defrag Queue.
- */
-
- while (!dht_dfreaddirp_done(dir_dfmeta->offset_var,
- local_subvols_cnt)) {
-
- pthread_mutex_lock (&defrag->dfq_mutex);
- {
-
- /*Throttle up: If reconfigured count is higher than
- current thread count, wake up the sleeping threads
- TODO: Need to refactor this. Instead of making the
- thread sleep and wake, we should terminate and spawn
- threads on-demand*/
-
- if (defrag->recon_thread_count >
- defrag->current_thread_count) {
- throttle_up =
- (defrag->recon_thread_count -
- defrag->current_thread_count);
- for (j = 0; j < throttle_up; j++) {
- pthread_cond_signal (
- &defrag->df_wakeup_thread);
- }
-
- }
-
- while (defrag->q_entry_count >
- MAX_MIGRATE_QUEUE_COUNT) {
- defrag->wakeup_crawler = 1;
- pthread_cond_wait (
- &defrag->rebalance_crawler_alarm,
- &defrag->dfq_mutex);
- }
-
- ldfq_count = defrag->q_entry_count;
-
- if (defrag->wakeup_crawler) {
- defrag->wakeup_crawler = 0;
- }
-
- }
- pthread_mutex_unlock (&defrag->dfq_mutex);
-
- while (ldfq_count <= MAX_MIGRATE_QUEUE_COUNT &&
- !dht_dfreaddirp_done(dir_dfmeta->offset_var,
- local_subvols_cnt)) {
+ dir_dfmeta->iterator[i] = dir_dfmeta->iterator[i]->next;
- ret = gf_defrag_get_entry (this, dfc_index, &container,
- loc, conf, defrag, fd,
- migrate_data, dir_dfmeta,
- xattr_req,
- &should_commit_hash, perrno);
+ dir_dfmeta->offset_var[i].offset = df_entry->d_off;
+ if (!strcmp(df_entry->d_name, ".") || !strcmp(df_entry->d_name, ".."))
+ continue;
- if (ret) {
- gf_log (this->name, GF_LOG_WARNING, "Found "
- "error from gf_defrag_get_entry");
-
- ret = -1;
- goto out;
- }
-
- /* Check if we got an entry, else we need to move the
- index to the next subvol */
- if (!container) {
- GF_CRAWL_INDEX_MOVE(dfc_index,
- local_subvols_cnt);
- continue;
- }
-
- /* Q this entry in the dfq */
- pthread_mutex_lock (&defrag->dfq_mutex);
- {
- list_add_tail (&container->list,
- &(defrag->queue[0].list));
- defrag->q_entry_count++;
- ldfq_count = defrag->q_entry_count;
-
- gf_msg_debug (this->name, 0, "added "
- "file:%s parent:%s to the queue ",
- container->df_entry->d_name,
- container->parent_loc->path);
-
- pthread_cond_signal (
- &defrag->parallel_migration_cond);
- }
- pthread_mutex_unlock (&defrag->dfq_mutex);
-
- GF_CRAWL_INDEX_MOVE(dfc_index, local_subvols_cnt);
- }
+ if (IA_ISDIR(df_entry->d_stat.ia_type)) {
+ defrag->size_processed += df_entry->d_stat.ia_size;
+ continue;
}
- gettimeofday (&end, NULL);
- elapsed = (end.tv_sec - dir_start.tv_sec) * 1e6 +
- (end.tv_usec - dir_start.tv_usec);
- gf_log (this->name, GF_LOG_INFO, "Migration operation on dir %s took "
- "%.2f secs", loc->path, elapsed/1e6);
- ret = 0;
-out:
-
- gf_defrag_free_dir_dfmeta (dir_dfmeta, local_subvols_cnt);
-
- if (xattr_req)
- dict_unref(xattr_req);
+ defrag->num_files_lookedup++;
- if (fd)
- fd_unref (fd);
-
- if (ret == 0 && should_commit_hash == 0) {
- ret = 2;
- }
-
- /* It does not matter if it errored out - this number is
- * used to calculate rebalance estimated time to complete.
- * No locking required as dirs are processed by a single thread.
- */
- defrag->num_dirs_processed++;
- return ret;
-}
-int
-gf_defrag_settle_hash (xlator_t *this, gf_defrag_info_t *defrag,
- loc_t *loc, dict_t *fix_layout)
-{
- int ret;
- dht_conf_t *conf = NULL;
- /*
- * Now we're ready to update the directory commit hash for the volume
- * root, so that hash miscompares and broadcast lookups can stop.
- * However, we want to skip that if fix-layout is all we did. In
- * that case, we want the miscompares etc. to continue until a real
- * rebalance is complete.
- */
- if (defrag->cmd == GF_DEFRAG_CMD_START_LAYOUT_FIX
- || defrag->cmd == GF_DEFRAG_CMD_START_DETACH_TIER ||
- defrag->cmd == GF_DEFRAG_CMD_DETACH_START) {
- return 0;
+ if (defrag->defrag_pattern &&
+ (gf_defrag_pattern_match(defrag, df_entry->d_name,
+ df_entry->d_stat.ia_size) == _gf_false)) {
+ defrag->size_processed += df_entry->d_stat.ia_size;
+ continue;
}
- conf = this->private;
- if (!conf) {
- /*Uh oh
- */
- return -1;
- }
+ is_linkfile = check_is_linkfile(NULL, &df_entry->d_stat, df_entry->dict,
+ conf->link_xattr_name);
- if (conf->local_subvols_cnt == 0 || !conf->lookup_optimize) {
- /* Commit hash updates are only done on local subvolumes and
- * only when lookup optimization is needed (for older client
- * support)
- */
- return 0;
- }
+ if (is_linkfile) {
+ /* No need to add linkto file to the queue for
+ migration. Only the actual data file need to
+ be checked for migration criteria.
+ */
- ret = dict_set_uint32 (fix_layout, "new-commit-hash",
- defrag->new_commit_hash);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to set new-commit-hash");
- return -1;
+ gf_msg_debug(this->name, 0,
+ "Skipping linkfile"
+ " %s on subvol: %s",
+ df_entry->d_name, conf->local_subvols[i]->name);
+ continue;
}
- ret = syncop_setxattr (this, loc, fix_layout, 0, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_LAYOUT_FIX_FAILED,
- "fix layout on %s failed", loc->path);
-
- if (-ret == ENOENT || -ret == ESTALE) {
- /* Dir most likely is deleted */
- return 0;
- }
+ /*Build Container Structure */
- return -1;
+ tmp_container = GF_CALLOC(1, sizeof(struct dht_container),
+ gf_dht_mt_container_t);
+ if (!tmp_container) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "Failed to allocate "
+ "memory for container");
+ ret = -1;
+ goto out;
}
-
- /* TBD: find more efficient solution than adding/deleting every time */
- dict_del(fix_layout, "new-commit-hash");
-
- return 0;
-}
-
-
-
-/* Function for doing a named lookup on file inodes during an attach tier
- * So that a hardlink lookup heal i.e gfid to parent gfid lookup heal
- * happens on pre-existing data. This is required so that the ctr database has
- * hardlinks of all the exisitng file in the volume. CTR xlator on the
- * brick/server side does db update/insert of the hardlink on a namelookup.
- * Currently the namedlookup is done synchronous to the fixlayout that is
- * triggered by attach tier. This is not performant, adding more time to
- * fixlayout. The performant approach is record the hardlinks on a compressed
- * datastore and then do the namelookup asynchronously later, giving the ctr db
- * eventual consistency
- * */
-int
-gf_fix_layout_tier_attach_lookup (xlator_t *this,
- loc_t *parent_loc,
- gf_dirent_t *file_dentry)
-{
- int ret = -1;
- dict_t *lookup_xdata = NULL;
- dht_conf_t *conf = NULL;
- loc_t file_loc = {0,};
- struct iatt iatt = {0,};
-
- GF_VALIDATE_OR_GOTO ("tier", this, out);
-
- GF_VALIDATE_OR_GOTO (this->name, parent_loc, out);
-
- GF_VALIDATE_OR_GOTO (this->name, file_dentry, out);
-
- GF_VALIDATE_OR_GOTO (this->name, this->private, out);
-
- if (!parent_loc->inode) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_LOG_TIER_ERROR,
- "%s/%s parent is NULL", parent_loc->path,
- file_dentry->d_name);
- goto out;
+ tmp_container->df_entry = gf_dirent_for_name(df_entry->d_name);
+ if (!tmp_container->df_entry) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "Failed to allocate "
+ "memory for df_entry");
+ ret = -1;
+ goto out;
}
+ tmp_container->local_subvol_index = i;
- conf = this->private;
+ tmp_container->df_entry->d_stat = df_entry->d_stat;
- loc_wipe (&file_loc);
+ tmp_container->df_entry->d_ino = df_entry->d_ino;
- if (gf_uuid_is_null (file_dentry->d_stat.ia_gfid)) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_LOG_TIER_ERROR,
- "%s/%s gfid not present", parent_loc->path,
- file_dentry->d_name);
- goto out;
- }
+ tmp_container->df_entry->d_type = df_entry->d_type;
- gf_uuid_copy (file_loc.gfid, file_dentry->d_stat.ia_gfid);
+ tmp_container->df_entry->d_len = df_entry->d_len;
- if (gf_uuid_is_null (parent_loc->gfid)) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_LOG_TIER_ERROR,
- "%s/%s"
- " gfid not present", parent_loc->path,
- file_dentry->d_name);
- goto out;
+ tmp_container->parent_loc = GF_CALLOC(1, sizeof(*loc), gf_dht_mt_loc_t);
+ if (!tmp_container->parent_loc) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "Failed to allocate "
+ "memory for loc");
+ ret = -1;
+ goto out;
}
- gf_uuid_copy (file_loc.pargfid, parent_loc->gfid);
-
-
- ret = dht_build_child_loc (this, &file_loc, parent_loc,
- file_dentry->d_name);
+ ret = loc_copy(tmp_container->parent_loc, loc);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_LOG_TIER_ERROR,
- "Child loc build failed");
- ret = -1;
- goto out;
+ gf_log(this->name, GF_LOG_ERROR, "loc_copy failed");
+ ret = -1;
+ goto out;
}
- lookup_xdata = dict_new ();
- if (!lookup_xdata) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_LOG_TIER_ERROR,
- "Failed creating lookup dict for %s",
- file_dentry->d_name);
- goto out;
- }
+ tmp_container->migrate_data = migrate_data;
- ret = dict_set_int32 (lookup_xdata, CTR_ATTACH_TIER_LOOKUP, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_LOG_TIER_ERROR,
- "Failed to set lookup flag");
- goto out;
- }
+ tmp_container->this = this;
- gf_uuid_copy (file_loc.parent->gfid, parent_loc->gfid);
+ if (df_entry->dict)
+ tmp_container->df_entry->dict = dict_ref(df_entry->dict);
- /* Sending lookup to cold tier only */
- ret = syncop_lookup (conf->subvolumes[0], &file_loc, &iatt,
- NULL, lookup_xdata, NULL);
- if (ret) {
- /* If the file does not exist on the cold tier than it must */
- /* have been discovered on the hot tier. This is not an error. */
- gf_msg (this->name, GF_LOG_INFO, 0, DHT_MSG_LOG_TIER_STATUS,
- "%s lookup to cold tier on attach heal failed", file_loc.path);
- goto out;
- }
+ /*Build Container Structure >> END*/
ret = 0;
+ goto out;
+ }
out:
+ if (ret == 0) {
+ *container = tmp_container;
+ } else {
+ if (tmp_container) {
+ gf_defrag_free_container(tmp_container);
+ }
+ }
- loc_wipe (&file_loc);
-
- if (lookup_xdata)
- dict_unref (lookup_xdata);
-
- return ret;
+ return ret;
}
int
-gf_defrag_fix_layout (xlator_t *this, gf_defrag_info_t *defrag, loc_t *loc,
- dict_t *fix_layout, dict_t *migrate_data)
+gf_defrag_process_dir(xlator_t *this, gf_defrag_info_t *defrag, loc_t *loc,
+ dict_t *migrate_data, int *perrno)
{
- int ret = -1;
- loc_t entry_loc = {0,};
- fd_t *fd = NULL;
- gf_dirent_t entries;
- gf_dirent_t *tmp = NULL;
- gf_dirent_t *entry = NULL;
- gf_boolean_t free_entries = _gf_false;
- off_t offset = 0;
- struct iatt iatt = {0,};
- inode_t *linked_inode = NULL, *inode = NULL;
- dht_conf_t *conf = NULL;
- int should_commit_hash = 1;
- int perrno = 0;
-
- conf = this->private;
- if (!conf) {
- ret = -1;
- goto out;
- }
-
- ret = syncop_lookup (this, loc, &iatt, NULL, NULL, NULL);
- if (ret) {
- if (strcmp (loc->path, "/") == 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_DIR_LOOKUP_FAILED,
- "lookup failed for:%s", loc->path);
-
- defrag->total_failures++;
- ret = -1;
- goto out;
- }
+ int ret = -1;
+ dht_conf_t *conf = NULL;
+ gf_dirent_t entries;
+ dict_t *xattr_req = NULL;
+ struct timeval dir_start = {
+ 0,
+ };
+ struct timeval end = {
+ 0,
+ };
+ double elapsed = {
+ 0,
+ };
+ int local_subvols_cnt = 0;
+ int i = 0;
+ int j = 0;
+ struct dht_container *container = NULL;
+ int ldfq_count = 0;
+ int dfc_index = 0;
+ int throttle_up = 0;
+ struct dir_dfmeta *dir_dfmeta = NULL;
+ xlator_t *old_THIS = NULL;
+
+ gf_log(this->name, GF_LOG_INFO, "migrate data called on %s", loc->path);
+ gettimeofday(&dir_start, NULL);
+
+ conf = this->private;
+ local_subvols_cnt = conf->local_subvols_cnt;
+
+ if (!local_subvols_cnt) {
+ ret = 0;
+ goto out;
+ }
- if (-ret == ENOENT || -ret == ESTALE) {
- gf_msg (this->name, GF_LOG_INFO, -ret,
- DHT_MSG_DIR_LOOKUP_FAILED,
- "Dir:%s renamed or removed. Skipping",
- loc->path);
- if (conf->decommission_subvols_cnt) {
- defrag->total_failures++;
- }
- ret = 0;
- goto out;
- } else {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_DIR_LOOKUP_FAILED,
- "lookup failed for:%s", loc->path);
+ old_THIS = THIS;
+ THIS = this;
- defrag->total_failures++;
- goto out;
- }
- }
+ dir_dfmeta = GF_CALLOC(1, sizeof(*dir_dfmeta), gf_common_mt_pointer);
+ if (!dir_dfmeta) {
+ gf_log(this->name, GF_LOG_ERROR, "dir_dfmeta is NULL");
+ ret = -1;
+ goto out;
+ }
+
+ dir_dfmeta->lfd = GF_CALLOC(local_subvols_cnt, sizeof(fd_t *),
+ gf_common_mt_pointer);
+ if (!dir_dfmeta->lfd) {
+ gf_smsg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_INSUFF_MEMORY,
+ "for dir_dfmeta", NULL);
+ ret = -1;
+ *perrno = ENOMEM;
+ goto out;
+ }
+
+ for (i = 0; i < local_subvols_cnt; i++) {
+ dir_dfmeta->lfd[i] = fd_create(loc->inode, defrag->pid);
+ if (!dir_dfmeta->lfd[i]) {
+ gf_smsg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_FD_CREATE_FAILED,
+ NULL);
+ *perrno = ENOMEM;
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_opendir(conf->local_subvols[i], loc, dir_dfmeta->lfd[i],
+ NULL, NULL);
+ if (ret) {
+ fd_unref(dir_dfmeta->lfd[i]);
+ dir_dfmeta->lfd[i] = NULL;
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_FAILED_TO_OPEN,
+ "dir: %s", loc->path, "subvol: %s",
+ conf->local_subvols[i]->name, NULL);
- fd = fd_create (loc->inode, defrag->pid);
- if (!fd) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to create fd");
+ if (conf->decommission_in_progress) {
+ *perrno = -ret;
ret = -1;
goto out;
+ }
+ } else {
+ fd_bind(dir_dfmeta->lfd[i]);
}
+ }
- ret = syncop_opendir (this, loc, fd, NULL, NULL);
- if (ret) {
- if (-ret == ENOENT || -ret == ESTALE) {
- if (conf->decommission_subvols_cnt) {
- defrag->total_failures++;
- }
- ret = 0;
- goto out;
- }
+ dir_dfmeta->head = GF_CALLOC(local_subvols_cnt, sizeof(*(dir_dfmeta->head)),
+ gf_common_mt_pointer);
+ if (!dir_dfmeta->head) {
+ gf_log(this->name, GF_LOG_ERROR, "dir_dfmeta->head is NULL");
+ ret = -1;
+ goto out;
+ }
+
+ dir_dfmeta->iterator = GF_CALLOC(local_subvols_cnt,
+ sizeof(*(dir_dfmeta->iterator)),
+ gf_common_mt_pointer);
+ if (!dir_dfmeta->iterator) {
+ gf_log(this->name, GF_LOG_ERROR, "dir_dfmeta->iterator is NULL");
+ ret = -1;
+ goto out;
+ }
- gf_log (this->name, GF_LOG_ERROR, "Failed to open dir %s, "
- "err:%d", loc->path, -ret);
+ dir_dfmeta->equeue = GF_CALLOC(local_subvols_cnt, sizeof(entries),
+ gf_dht_mt_dirent_t);
+ if (!dir_dfmeta->equeue) {
+ gf_log(this->name, GF_LOG_ERROR, "dir_dfmeta->equeue is NULL");
+ ret = -1;
+ goto out;
+ }
- ret = -1;
- goto out;
- }
+ dir_dfmeta->offset_var = GF_CALLOC(
+ local_subvols_cnt, sizeof(dht_dfoffset_ctx_t), gf_dht_mt_octx_t);
+ if (!dir_dfmeta->offset_var) {
+ gf_log(this->name, GF_LOG_ERROR, "dir_dfmeta->offset_var is NULL");
+ ret = -1;
+ goto out;
+ }
+
+ ret = gf_defrag_ctx_subvols_init(dir_dfmeta->offset_var, this);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "dht_dfoffset_ctx_t"
+ "initialization failed");
+ ret = -1;
+ goto out;
+ }
+
+ dir_dfmeta->fetch_entries = GF_CALLOC(local_subvols_cnt, sizeof(int),
+ gf_common_mt_int);
+ if (!dir_dfmeta->fetch_entries) {
+ gf_smsg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_INSUFF_MEMORY,
+ "for dir_dfmeta->fetch_entries", NULL);
+ ret = -1;
+ goto out;
+ }
+
+ for (i = 0; i < local_subvols_cnt; i++) {
+ INIT_LIST_HEAD(&(dir_dfmeta->equeue[i].list));
+ dir_dfmeta->head[i] = &(dir_dfmeta->equeue[i].list);
+ dir_dfmeta->iterator[i] = dir_dfmeta->head[i];
+ dir_dfmeta->fetch_entries[i] = 1;
+ }
+
+ xattr_req = dict_new();
+ if (!xattr_req) {
+ gf_log(this->name, GF_LOG_ERROR, "dict_new failed");
+ ret = -1;
+ goto out;
+ }
+
+ ret = dict_set_uint32(xattr_req, conf->link_xattr_name, 256);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "failed to set dict for "
+ "key: %s",
+ conf->link_xattr_name);
+ ret = -1;
+ goto out;
+ }
- fd_bind (fd);
- INIT_LIST_HEAD (&entries.list);
+ /*
+ Job: Read entries from each local subvol and store the entries
+ in equeue array of linked list. Now pick one entry from the
+ equeue array in a round robin basis and add them to defrag Queue.
+ */
- while ((ret = syncop_readdirp (this, fd, 131072, offset, &entries,
- NULL, NULL)) != 0)
+ while (!dht_dfreaddirp_done(dir_dfmeta->offset_var, local_subvols_cnt)) {
+ pthread_mutex_lock(&defrag->dfq_mutex);
{
- if (ret < 0) {
- if (-ret == ENOENT || -ret == ESTALE) {
- if (conf->decommission_subvols_cnt) {
- defrag->total_failures++;
- }
- ret = 0;
- goto out;
- }
-
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_READDIR_ERROR, "readdirp failed for "
- "path %s. Aborting fix-layout", loc->path);
-
- ret = -1;
- goto out;
+ /*Throttle up: If reconfigured count is higher than
+ current thread count, wake up the sleeping threads
+ TODO: Need to refactor this. Instead of making the
+ thread sleep and wake, we should terminate and spawn
+ threads on-demand*/
+
+ if (defrag->recon_thread_count > defrag->current_thread_count) {
+ throttle_up = (defrag->recon_thread_count -
+ defrag->current_thread_count);
+ for (j = 0; j < throttle_up; j++) {
+ pthread_cond_signal(&defrag->df_wakeup_thread);
}
+ }
- if (list_empty (&entries.list))
- break;
-
- free_entries = _gf_true;
-
- list_for_each_entry_safe (entry, tmp, &entries.list, list) {
- if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
- ret = 1;
- goto out;
- }
-
- offset = entry->d_off;
-
- if (!strcmp (entry->d_name, ".") ||
- !strcmp (entry->d_name, ".."))
- continue;
- if (!IA_ISDIR (entry->d_stat.ia_type)) {
-
- /* If its a fix layout during the attach
- * tier operation do lookups on files
- * on cold subvolume so that there is a
- * CTR DB Lookup Heal triggered on existing
- * data.
- * */
- if (defrag->cmd == GF_DEFRAG_CMD_START_TIER) {
- gf_fix_layout_tier_attach_lookup
- (this, loc, entry);
- }
-
- continue;
- }
- loc_wipe (&entry_loc);
-
- ret = dht_build_child_loc (this, &entry_loc, loc,
- entry->d_name);
- if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Child loc"
- " build failed for entry: %s",
- entry->d_name);
+ while (defrag->q_entry_count > MAX_MIGRATE_QUEUE_COUNT) {
+ defrag->wakeup_crawler = 1;
+ pthread_cond_wait(&defrag->rebalance_crawler_alarm,
+ &defrag->dfq_mutex);
+ }
- if (conf->decommission_in_progress) {
- defrag->defrag_status =
- GF_DEFRAG_STATUS_FAILED;
+ ldfq_count = defrag->q_entry_count;
- goto out;
- } else {
- should_commit_hash = 0;
+ if (defrag->wakeup_crawler) {
+ defrag->wakeup_crawler = 0;
+ }
+ }
+ pthread_mutex_unlock(&defrag->dfq_mutex);
- continue;
- }
- }
+ while (
+ ldfq_count <= MAX_MIGRATE_QUEUE_COUNT &&
+ !dht_dfreaddirp_done(dir_dfmeta->offset_var, local_subvols_cnt)) {
+ ret = gf_defrag_get_entry(this, dfc_index, &container, loc, conf,
+ defrag, dir_dfmeta->lfd[dfc_index],
+ migrate_data, dir_dfmeta, xattr_req,
+ perrno);
- if (gf_uuid_is_null (entry->d_stat.ia_gfid)) {
- gf_log (this->name, GF_LOG_ERROR, "%s/%s"
- " gfid not present", loc->path,
- entry->d_name);
- continue;
- }
+ if (defrag->defrag_status == GF_DEFRAG_STATUS_STOPPED) {
+ goto out;
+ }
+ if (ret) {
+ gf_log(this->name, GF_LOG_WARNING,
+ "Found "
+ "error from gf_defrag_get_entry");
- gf_uuid_copy (entry_loc.gfid, entry->d_stat.ia_gfid);
+ ret = -1;
+ goto out;
+ }
+
+ /* Check if we got an entry, else we need to move the
+ index to the next subvol */
+ if (!container) {
+ GF_CRAWL_INDEX_MOVE(dfc_index, local_subvols_cnt);
+ continue;
+ }
+
+ /* Q this entry in the dfq */
+ pthread_mutex_lock(&defrag->dfq_mutex);
+ {
+ list_add_tail(&container->list, &(defrag->queue[0].list));
+ defrag->q_entry_count++;
+ ldfq_count = defrag->q_entry_count;
+
+ gf_msg_debug(this->name, 0,
+ "added "
+ "file:%s parent:%s to the queue ",
+ container->df_entry->d_name,
+ container->parent_loc->path);
+
+ pthread_cond_signal(&defrag->parallel_migration_cond);
+ }
+ pthread_mutex_unlock(&defrag->dfq_mutex);
+
+ GF_CRAWL_INDEX_MOVE(dfc_index, local_subvols_cnt);
+ }
+ }
+
+ gettimeofday(&end, NULL);
+ elapsed = gf_tvdiff(&dir_start, &end);
+ gf_log(this->name, GF_LOG_INFO,
+ "Migration operation on dir %s took "
+ "%.2f secs",
+ loc->path, elapsed / 1e6);
+ ret = 0;
+out:
+ THIS = old_THIS;
+ gf_defrag_free_dir_dfmeta(dir_dfmeta, local_subvols_cnt);
+
+ if (xattr_req)
+ dict_unref(xattr_req);
+
+ /* It does not matter if it errored out - this number is
+ * used to calculate rebalance estimated time to complete.
+ * No locking required as dirs are processed by a single thread.
+ */
+ defrag->num_dirs_processed++;
+ return ret;
+}
- /*In case the gfid stored in the inode by inode_link
- * and the gfid obtained in the lookup differs, then
- * client3_3_lookup_cbk will return ESTALE and proper
- * error will be captured
- */
+int
+gf_defrag_settle_hash(xlator_t *this, gf_defrag_info_t *defrag, loc_t *loc,
+ dict_t *fix_layout)
+{
+ int ret;
+ dht_conf_t *conf = NULL;
+ /*
+ * Now we're ready to update the directory commit hash for the volume
+ * root, so that hash miscompares and broadcast lookups can stop.
+ * However, we want to skip that if fix-layout is all we did. In
+ * that case, we want the miscompares etc. to continue until a real
+ * rebalance is complete.
+ */
+ if (defrag->cmd == GF_DEFRAG_CMD_START_LAYOUT_FIX ||
+ defrag->cmd == GF_DEFRAG_CMD_DETACH_START) {
+ return 0;
+ }
- linked_inode = inode_link (entry_loc.inode, loc->inode,
- entry->d_name,
- &entry->d_stat);
+ conf = this->private;
+ if (!conf) {
+ /*Uh oh
+ */
+ return -1;
+ }
- inode = entry_loc.inode;
- entry_loc.inode = linked_inode;
- inode_unref (inode);
+ if (conf->local_subvols_cnt == 0 || !conf->lookup_optimize) {
+ /* Commit hash updates are only done on local subvolumes and
+ * only when lookup optimization is needed (for older client
+ * support)
+ */
+ return 0;
+ }
- if (gf_uuid_is_null (loc->gfid)) {
- gf_log (this->name, GF_LOG_ERROR, "%s/%s"
- " gfid not present", loc->path,
- entry->d_name);
- continue;
- }
+ ret = dict_set_uint32(fix_layout, "new-commit-hash",
+ defrag->new_commit_hash);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR, "Failed to set new-commit-hash");
+ return -1;
+ }
- gf_uuid_copy (entry_loc.pargfid, loc->gfid);
-
- ret = syncop_lookup (this, &entry_loc, &iatt, NULL,
- NULL, NULL);
- if (ret) {
- if (-ret == ENOENT || -ret == ESTALE) {
- gf_msg (this->name, GF_LOG_INFO, -ret,
- DHT_MSG_DIR_LOOKUP_FAILED,
- "Dir:%s renamed or removed. "
- "Skipping", loc->path);
- ret = 0;
- if (conf->decommission_subvols_cnt) {
- defrag->total_failures++;
- }
- continue;
- } else {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_DIR_LOOKUP_FAILED,
- "lookup failed for:%s",
- entry_loc.path);
-
- defrag->total_failures++;
-
- if (conf->decommission_in_progress) {
- defrag->defrag_status =
- GF_DEFRAG_STATUS_FAILED;
- ret = -1;
- goto out;
- } else {
- should_commit_hash = 0;
- continue;
- }
- }
- }
+ ret = syncop_setxattr(this, loc, fix_layout, 0, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_LAYOUT_FIX_FAILED,
+ "fix layout on %s failed", loc->path);
- /* A return value of 2 means, either process_dir or
- * lookup of a dir failed. Hence, don't commit hash
- * for the current directory*/
+ if (-ret == ENOENT || -ret == ESTALE) {
+ /* Dir most likely is deleted */
+ return 0;
+ }
- ret = gf_defrag_fix_layout (this, defrag, &entry_loc,
- fix_layout, migrate_data);
+ return -1;
+ }
- if (ret && ret != 2) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_LAYOUT_FIX_FAILED,
- "Fix layout failed for %s",
- entry_loc.path);
+ /* TBD: find more efficient solution than adding/deleting every time */
+ dict_del(fix_layout, "new-commit-hash");
- defrag->total_failures++;
+ return 0;
+}
- if (conf->decommission_in_progress) {
- defrag->defrag_status =
- GF_DEFRAG_STATUS_FAILED;
+int
+gf_defrag_fix_layout(xlator_t *this, gf_defrag_info_t *defrag, loc_t *loc,
+ dict_t *fix_layout, dict_t *migrate_data)
+{
+ int ret = -1;
+ loc_t entry_loc = {
+ 0,
+ };
+ fd_t *fd = NULL;
+ gf_dirent_t entries;
+ gf_dirent_t *tmp = NULL;
+ gf_dirent_t *entry = NULL;
+ gf_boolean_t free_entries = _gf_false;
+ off_t offset = 0;
+ struct iatt iatt = {
+ 0,
+ };
+ inode_t *linked_inode = NULL, *inode = NULL;
+ dht_conf_t *conf = NULL;
+ int perrno = 0;
+
+ conf = this->private;
+ if (!conf) {
+ ret = -1;
+ goto out;
+ }
- goto out;
- } else {
- /* Let's not commit-hash if
- * gf_defrag_fix_layout failed*/
- continue;
- }
- }
- }
+ ret = syncop_lookup(this, loc, &iatt, NULL, NULL, NULL);
+ if (ret) {
+ if (strcmp(loc->path, "/") == 0) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_DIR_LOOKUP_FAILED,
+ "lookup failed for:%s", loc->path);
- gf_dirent_free (&entries);
- free_entries = _gf_false;
- INIT_LIST_HEAD (&entries.list);
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
}
- ret = syncop_setxattr (this, loc, fix_layout, 0, NULL, NULL);
- if (ret) {
- if (-ret == ENOENT || -ret == ESTALE) {
- gf_msg (this->name, GF_LOG_INFO, -ret,
- DHT_MSG_LAYOUT_FIX_FAILED,
- "Setxattr failed. Dir %s "
- "renamed or removed",
- loc->path);
- if (conf->decommission_subvols_cnt) {
- defrag->total_failures++;
- }
- ret = 0;
- } else {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_LAYOUT_FIX_FAILED,
- "Setxattr failed for %s",
- loc->path);
-
- defrag->total_failures++;
+ if (-ret == ENOENT || -ret == ESTALE) {
+ gf_msg(this->name, GF_LOG_INFO, -ret, DHT_MSG_DIR_LOOKUP_FAILED,
+ "Dir:%s renamed or removed. Skipping", loc->path);
+ if (conf->decommission_subvols_cnt) {
+ defrag->total_failures++;
+ }
+ ret = 0;
+ goto out;
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_DIR_LOOKUP_FAILED,
+ "lookup failed for:%s", loc->path);
- if (conf->decommission_in_progress) {
- defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
- ret = -1;
- goto out;
- }
- }
+ defrag->total_failures++;
+ goto out;
}
+ }
- if ((defrag->cmd != GF_DEFRAG_CMD_START_TIER) &&
- (defrag->cmd != GF_DEFRAG_CMD_START_LAYOUT_FIX)) {
- ret = gf_defrag_process_dir (this, defrag, loc, migrate_data,
- &perrno);
-
- if (ret && (ret != 2)) {
- if (perrno == ENOENT || perrno == ESTALE) {
- ret = 0;
- goto out;
- } else {
-
- defrag->total_failures++;
-
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DEFRAG_PROCESS_DIR_FAILED,
- "gf_defrag_process_dir failed for "
- "directory: %s", loc->path);
-
- if (conf->decommission_in_progress) {
- goto out;
- }
+ fd = fd_create(loc->inode, defrag->pid);
+ if (!fd) {
+ gf_log(this->name, GF_LOG_ERROR, "Failed to create fd");
+ ret = -1;
+ goto out;
+ }
- should_commit_hash = 0;
- }
- } else if (ret == 2) {
- should_commit_hash = 0;
- }
+ ret = syncop_opendir(this, loc, fd, NULL, NULL);
+ if (ret) {
+ if (-ret == ENOENT || -ret == ESTALE) {
+ if (conf->decommission_subvols_cnt) {
+ defrag->total_failures++;
+ }
+ ret = 0;
+ goto out;
}
- gf_msg_trace (this->name, 0, "fix layout called on %s", loc->path);
+ gf_log(this->name, GF_LOG_ERROR,
+ "Failed to open dir %s, "
+ "err:%d",
+ loc->path, -ret);
- if (should_commit_hash &&
- gf_defrag_settle_hash (this, defrag, loc, fix_layout) != 0) {
+ ret = -1;
+ goto out;
+ }
- defrag->total_failures++;
+ fd_bind(fd);
+ INIT_LIST_HEAD(&entries.list);
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_SETTLE_HASH_FAILED,
- "Settle hash failed for %s",
- loc->path);
+ while ((ret = syncop_readdirp(this, fd, 131072, offset, &entries, NULL,
+ NULL)) != 0) {
+ if (ret < 0) {
+ if (-ret == ENOENT || -ret == ESTALE) {
+ if (conf->decommission_subvols_cnt) {
+ defrag->total_failures++;
+ }
+ ret = 0;
+ goto out;
+ }
- ret = -1;
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_READDIR_ERROR,
+ "readdirp failed for "
+ "path %s. Aborting fix-layout",
+ loc->path);
- if (conf->decommission_in_progress) {
- defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
- goto out;
- }
+ ret = -1;
+ goto out;
}
- ret = 0;
-out:
- if (free_entries)
- gf_dirent_free (&entries);
-
- loc_wipe (&entry_loc);
+ if (list_empty(&entries.list))
+ break;
- if (fd)
- fd_unref (fd);
+ free_entries = _gf_true;
- if (ret == 0 && should_commit_hash == 0) {
- ret = 2;
- }
+ list_for_each_entry_safe(entry, tmp, &entries.list, list)
+ {
+ if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED) {
+ ret = 1;
+ goto out;
+ }
- return ret;
+ offset = entry->d_off;
-}
+ if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
+ continue;
+ if (!IA_ISDIR(entry->d_stat.ia_type)) {
+ continue;
+ }
+ loc_wipe(&entry_loc);
+ ret = dht_build_child_loc(this, &entry_loc, loc, entry->d_name);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "Child loc"
+ " build failed for entry: %s",
+ entry->d_name);
+ if (conf->decommission_in_progress) {
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
-/******************************************************************************
- * Tier background Fix layout functions
- ******************************************************************************/
-/* This is the background tier fixlayout thread */
-void *
-gf_tier_do_fix_layout (void *args)
-{
- gf_tier_fix_layout_arg_t *tier_fix_layout_arg = args;
- int ret = -1;
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- gf_defrag_info_t *defrag = NULL;
- dict_t *dict = NULL;
- loc_t loc = {0,};
- struct iatt iatt = {0,};
- struct iatt parent = {0,};
-
- GF_VALIDATE_OR_GOTO ("tier", tier_fix_layout_arg, out);
- GF_VALIDATE_OR_GOTO ("tier", tier_fix_layout_arg->this, out);
- this = tier_fix_layout_arg->this;
+ goto out;
+ } else {
+ continue;
+ }
+ }
+
+ if (gf_uuid_is_null(entry->d_stat.ia_gfid)) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "%s/%s"
+ " gfid not present",
+ loc->path, entry->d_name);
+ continue;
+ }
+
+ gf_uuid_copy(entry_loc.gfid, entry->d_stat.ia_gfid);
+
+ /*In case the gfid stored in the inode by inode_link
+ * and the gfid obtained in the lookup differs, then
+ * client3_3_lookup_cbk will return ESTALE and proper
+ * error will be captured
+ */
+
+ linked_inode = inode_link(entry_loc.inode, loc->inode,
+ entry->d_name, &entry->d_stat);
+
+ inode = entry_loc.inode;
+ entry_loc.inode = linked_inode;
+ inode_unref(inode);
+
+ if (gf_uuid_is_null(loc->gfid)) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "%s/%s"
+ " gfid not present",
+ loc->path, entry->d_name);
+ continue;
+ }
+
+ gf_uuid_copy(entry_loc.pargfid, loc->gfid);
+
+ ret = syncop_lookup(this, &entry_loc, &iatt, NULL, NULL, NULL);
+ if (ret) {
+ if (-ret == ENOENT || -ret == ESTALE) {
+ gf_msg(this->name, GF_LOG_INFO, -ret,
+ DHT_MSG_DIR_LOOKUP_FAILED,
+ "Dir:%s renamed or removed. "
+ "Skipping",
+ loc->path);
+ ret = 0;
+ if (conf->decommission_subvols_cnt) {
+ defrag->total_failures++;
+ }
+ continue;
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_DIR_LOOKUP_FAILED, "lookup failed for:%s",
+ entry_loc.path);
- conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, out);
+ defrag->total_failures++;
- defrag = conf->defrag;
- GF_VALIDATE_OR_GOTO (this->name, defrag, out);
- GF_VALIDATE_OR_GOTO (this->name, defrag->root_inode, out);
+ if (conf->decommission_in_progress) {
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
+ ret = -1;
+ goto out;
+ } else {
+ continue;
+ }
+ }
+ }
- GF_VALIDATE_OR_GOTO (this->name, tier_fix_layout_arg->fix_layout, out);
+ /* A return value of 2 means, either process_dir or
+ * lookup of a dir failed. Hence, don't commit hash
+ * for the current directory*/
+ ret = gf_defrag_fix_layout(this, defrag, &entry_loc, fix_layout,
+ migrate_data);
- /* Get Root loc_t */
- dht_build_root_loc (defrag->root_inode, &loc);
- ret = syncop_lookup (this, &loc, &iatt, &parent, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_REBALANCE_START_FAILED,
- "Lookup on root failed.");
- ret = -1;
+ if (defrag->defrag_status == GF_DEFRAG_STATUS_STOPPED ||
+ defrag->defrag_status == GF_DEFRAG_STATUS_FAILED) {
goto out;
- }
+ }
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_LAYOUT_FIX_FAILED,
+ "Fix layout failed for %s", entry_loc.path);
- /* Start the crawl */
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_LOG_TIER_STATUS, "Tiering Fixlayout started");
+ defrag->total_failures++;
- ret = gf_defrag_fix_layout (this, defrag, &loc,
- tier_fix_layout_arg->fix_layout, NULL);
- if (ret && ret != 2) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_REBALANCE_FAILED,
- "Tiering fixlayout failed.");
- ret = -1;
- goto out;
- }
+ if (conf->decommission_in_progress) {
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
- if (ret != 2 && gf_defrag_settle_hash
- (this, defrag, &loc,
- tier_fix_layout_arg->fix_layout) != 0) {
+ goto out;
+ } else {
+ /* Let's not commit-hash if
+ * gf_defrag_fix_layout failed*/
+ continue;
+ }
+ }
+ }
+
+ gf_dirent_free(&entries);
+ free_entries = _gf_false;
+ INIT_LIST_HEAD(&entries.list);
+ }
+
+ /* A directory layout is fixed only after its subdirs are healed to
+ * any newly added bricks. If the layout is fixed before subdirs are
+ * healed, the newly added brick will get a non-null layout.
+ * Any subdirs which hash to that layout will no longer show up
+ * in a directory listing until they are healed.
+ */
+
+ ret = syncop_setxattr(this, loc, fix_layout, 0, NULL, NULL);
+
+ /* In case of a race where the directory is deleted just before
+ * layout setxattr, the errors are updated in the layout structure.
+ * We can use this information to make a decision whether the directory
+ * is deleted entirely.
+ */
+ if (ret == 0) {
+ ret = dht_dir_layout_error_check(this, loc->inode);
+ ret = -ret;
+ }
+
+ if (ret) {
+ if (-ret == ENOENT || -ret == ESTALE) {
+ gf_msg(this->name, GF_LOG_INFO, -ret, DHT_MSG_LAYOUT_FIX_FAILED,
+ "Setxattr failed. Dir %s "
+ "renamed or removed",
+ loc->path);
+ if (conf->decommission_subvols_cnt) {
defrag->total_failures++;
- ret = -1;
- goto out;
- }
+ }
+ ret = 0;
+ goto out;
+ } else {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_LAYOUT_FIX_FAILED,
+ "Setxattr failed for %s", loc->path);
- dict = dict_new ();
- if (!dict) {
- ret = -1;
- goto out;
- }
+ defrag->total_failures++;
- ret = dict_set_str (dict, GF_XATTR_TIER_LAYOUT_FIXED_KEY, "yes");
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_REBALANCE_FAILED,
- "Failed to set dictionary value: key = %s",
- GF_XATTR_TIER_LAYOUT_FIXED_KEY);
+ if (conf->decommission_in_progress) {
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
ret = -1;
goto out;
+ }
}
+ }
+
+ if (defrag->cmd != GF_DEFRAG_CMD_START_LAYOUT_FIX) {
+ ret = gf_defrag_process_dir(this, defrag, loc, migrate_data, &perrno);
- /* Marking the completion of tiering fix layout via a xattr on root */
- ret = syncop_setxattr (this, &loc, dict, 0, NULL, NULL);
if (ret) {
- gf_log (this->name, GF_LOG_ERROR, "Failed to set tiering fix "
- "layout completed xattr on %s", loc.path);
- ret = -1;
+ if (perrno == ENOENT || perrno == ESTALE) {
+ ret = 0;
goto out;
- }
-
- ret = 0;
-out:
- if (ret && defrag)
+ } else {
defrag->total_failures++;
- if (dict)
- dict_unref (dict);
-
- return NULL;
-}
+ gf_msg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_DEFRAG_PROCESS_DIR_FAILED,
+ "gf_defrag_process_dir failed for "
+ "directory: %s",
+ loc->path);
-int
-gf_tier_start_fix_layout (xlator_t *this,
- loc_t *loc,
- gf_defrag_info_t *defrag,
- dict_t *fix_layout)
-{
- int ret = -1;
- dict_t *tier_dict = NULL;
- gf_tier_fix_layout_arg_t *tier_fix_layout_arg = NULL;
-
- tier_dict = dict_new ();
- if (!tier_dict) {
- gf_log ("tier", GF_LOG_ERROR, "Tier fix layout failed :"
- "Creation of tier_dict failed");
- ret = -1;
- goto out;
+ if (conf->decommission_in_progress) {
+ goto out;
+ }
+ }
}
+ }
- /* Check if layout is fixed already */
- ret = syncop_getxattr (this, loc, &tier_dict,
- GF_XATTR_TIER_LAYOUT_FIXED_KEY,
- NULL, NULL);
- if (ret != 0) {
-
- tier_fix_layout_arg = &defrag->tier_conf.tier_fix_layout_arg;
+ gf_msg_trace(this->name, 0, "fix layout called on %s", loc->path);
- /*Fill crawl arguments */
- tier_fix_layout_arg->this = this;
- tier_fix_layout_arg->fix_layout = fix_layout;
+ if (gf_defrag_settle_hash(this, defrag, loc, fix_layout) != 0) {
+ defrag->total_failures++;
- /* Spawn the fix layout thread so that its done in the
- * background */
- ret = gf_thread_create (&tier_fix_layout_arg->thread_id, NULL,
- gf_tier_do_fix_layout,
- tier_fix_layout_arg, "tierfixl");
- if (ret) {
- gf_log ("tier", GF_LOG_ERROR, "Thread creation failed. "
- "Background fix layout for tiering will not "
- "work.");
- defrag->total_failures++;
- goto out;
- }
- }
- ret = 0;
-out:
- if (tier_dict)
- dict_unref (tier_dict);
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SETTLE_HASH_FAILED,
+ "Settle hash failed for %s", loc->path);
- return ret;
-}
+ ret = -1;
-void
-gf_tier_clear_fix_layout (xlator_t *this, loc_t *loc, gf_defrag_info_t *defrag)
-{
- int ret = -1;
- dict_t *dict = NULL;
-
- GF_VALIDATE_OR_GOTO ("tier", this, out);
- GF_VALIDATE_OR_GOTO (this->name, loc, out);
- GF_VALIDATE_OR_GOTO (this->name, defrag, out);
-
- /* Check if background fixlayout is completed. This is not
- * multi-process safe i.e there is a possibility that by the time
- * we move to remove the xattr there it might have been cleared by some
- * other detach process from other node. We ignore the error if such
- * a thing happens */
- ret = syncop_getxattr (this, loc, &dict,
- GF_XATTR_TIER_LAYOUT_FIXED_KEY, NULL, NULL);
- if (ret) {
- /* Background fixlayout not complete - nothing to clear*/
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_LOG_TIER_STATUS,
- "Unable to retrieve fixlayout xattr."
- "Assume background fix layout not complete");
- goto out;
+ if (conf->decommission_in_progress) {
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
+ goto out;
}
+ }
- ret = syncop_removexattr (this, loc, GF_XATTR_TIER_LAYOUT_FIXED_KEY,
- NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, -ret,
- DHT_MSG_LOG_TIER_STATUS,
- "Failed removing tier fix layout "
- "xattr from %s", loc->path);
- goto out;
- }
- ret = 0;
+ ret = 0;
out:
- if (dict)
- dict_unref (dict);
-}
+ if (free_entries)
+ gf_dirent_free(&entries);
-void
-gf_tier_wait_fix_lookup (gf_defrag_info_t *defrag) {
- if (defrag->tier_conf.tier_fix_layout_arg.thread_id) {
- pthread_join (defrag->tier_conf.tier_fix_layout_arg.thread_id,
- NULL);
- }
+ loc_wipe(&entry_loc);
+
+ if (fd)
+ fd_unref(fd);
+
+ return ret;
}
-/******************Tier background Fix layout functions END********************/
int
-dht_init_local_subvols_and_nodeuuids (xlator_t *this, dht_conf_t *conf,
- loc_t *loc)
+dht_init_local_subvols_and_nodeuuids(xlator_t *this, dht_conf_t *conf,
+ loc_t *loc)
{
-
- dict_t *dict = NULL;
- gf_defrag_info_t *defrag = NULL;
- uuid_t *uuid_ptr = NULL;
- int ret = -1;
- int i = 0;
- int j = 0;
-
- defrag = conf->defrag;
-
- if (defrag->cmd != GF_DEFRAG_CMD_START_TIER) {
- /* Find local subvolumes */
- ret = syncop_getxattr (this, loc, &dict,
- GF_REBAL_FIND_LOCAL_SUBVOL,
- NULL, NULL);
- if (ret && (ret != -ENODATA)) {
- gf_msg (this->name, GF_LOG_ERROR, -ret, 0, "local "
- "subvolume determination failed with error: %d",
- -ret);
- ret = -1;
- goto out;
- }
-
- if (!ret)
- goto out;
- }
-
- ret = syncop_getxattr (this, loc, &dict,
- GF_REBAL_OLD_FIND_LOCAL_SUBVOL,
- NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret, 0, "local "
- "subvolume determination failed with error: %d",
- -ret);
- ret = -1;
- goto out;
- }
- ret = 0;
+ dict_t *dict = NULL;
+ uuid_t *uuid_ptr = NULL;
+ int ret = -1;
+ int i = 0;
+ int j = 0;
+
+ /* Find local subvolumes */
+ ret = syncop_getxattr(this, loc, &dict, GF_REBAL_FIND_LOCAL_SUBVOL, NULL,
+ NULL);
+ if (ret && (ret != -ENODATA)) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, 0,
+ "local "
+ "subvolume determination failed with error: %d",
+ -ret);
+ ret = -1;
+ goto out;
+ }
+
+ if (!ret)
+ goto out;
+
+ ret = syncop_getxattr(this, loc, &dict, GF_REBAL_OLD_FIND_LOCAL_SUBVOL,
+ NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, 0,
+ "local "
+ "subvolume determination failed with error: %d",
+ -ret);
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
out:
- if (ret) {
- return ret;
- }
+ if (ret) {
+ return ret;
+ }
- for (i = 0 ; i < conf->local_subvols_cnt; i++) {
- gf_msg (this->name, GF_LOG_INFO, 0, 0, "local subvol: "
- "%s", conf->local_subvols[i]->name);
+ for (i = 0; i < conf->local_subvols_cnt; i++) {
+ gf_msg(this->name, GF_LOG_INFO, 0, 0,
+ "local subvol: "
+ "%s",
+ conf->local_subvols[i]->name);
- for (j = 0; j < conf->local_nodeuuids[i].count; j++) {
- uuid_ptr = &(conf->local_nodeuuids[i].elements[j].uuid);
- gf_msg (this->name, GF_LOG_INFO, 0, 0,
- "node uuid : %s",
- uuid_utoa(*uuid_ptr));
- }
+ for (j = 0; j < conf->local_nodeuuids[i].count; j++) {
+ uuid_ptr = &(conf->local_nodeuuids[i].elements[j].uuid);
+ gf_msg(this->name, GF_LOG_INFO, 0, 0, "node uuid : %s",
+ uuid_utoa(*uuid_ptr));
}
+ }
- return ret;
+ return ret;
}
-
/* Functions for the rebalance estimates feature */
uint64_t
-gf_defrag_subvol_file_size (xlator_t *this, loc_t *root_loc)
+gf_defrag_subvol_file_size(xlator_t *this, loc_t *root_loc)
{
- int ret = -1;
- struct statvfs buf = {0,};
-
- if (!this)
- return 0;
-
- ret = syncop_statfs (this, root_loc, &buf, NULL, NULL);
- if (ret) {
- /* Aargh! */
- return 0;
- }
- return ((buf.f_blocks - buf.f_bfree) * buf.f_frsize);
+ int ret = -1;
+ struct statvfs buf = {
+ 0,
+ };
+
+ ret = syncop_statfs(this, root_loc, &buf, NULL, NULL);
+ if (ret) {
+ /* Aargh! */
+ return 0;
+ }
+ return ((buf.f_blocks - buf.f_bfree) * buf.f_frsize);
}
uint64_t
-gf_defrag_total_file_size (xlator_t *this, loc_t *root_loc)
+gf_defrag_total_file_size(xlator_t *this, loc_t *root_loc)
{
- dht_conf_t *conf = NULL;
- int i = 0;
- uint64_t size_files = 0;
- uint64_t total_size = 0;
-
- conf = this->private;
- if (!conf) {
- return 0;
- }
-
- for (i = 0 ; i < conf->local_subvols_cnt; i++) {
- size_files = gf_defrag_subvol_file_size (conf->local_subvols[i],
- root_loc);
- total_size += size_files;
- gf_msg (this->name, GF_LOG_INFO, 0, 0, "local subvol: %s,"
- "cnt = %"PRIu64, conf->local_subvols[i]->name,
- size_files);
- }
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ uint64_t size_files = 0;
+ uint64_t total_size = 0;
- gf_msg (this->name, GF_LOG_INFO, 0, 0,
- "Total size files = %"PRIu64, total_size);
-
- return total_size;
+ conf = this->private;
+ if (!conf) {
+ return 0;
+ }
+
+ for (i = 0; i < conf->local_subvols_cnt; i++) {
+ size_files = gf_defrag_subvol_file_size(conf->local_subvols[i],
+ root_loc);
+ total_size += size_files;
+ gf_msg(this->name, GF_LOG_INFO, 0, 0,
+ "local subvol: %s,"
+ "cnt = %" PRIu64,
+ conf->local_subvols[i]->name, size_files);
+ }
+
+ gf_msg(this->name, GF_LOG_INFO, 0, 0, "Total size files = %" PRIu64,
+ total_size);
+
+ return total_size;
}
-
-static void*
-dht_file_counter_thread (void *args)
+static void *
+dht_file_counter_thread(void *args)
{
- gf_defrag_info_t *defrag = NULL;
- loc_t root_loc = {0,};
- struct timespec time_to_wait = {0,};
- struct timeval now = {0,};
- uint64_t tmp_size = 0;
-
-
- if (!args)
- return NULL;
-
- defrag = (gf_defrag_info_t *) args;
- dht_build_root_loc (defrag->root_inode, &root_loc);
-
- while (defrag->defrag_status == GF_DEFRAG_STATUS_STARTED) {
-
- gettimeofday (&now, NULL);
- time_to_wait.tv_sec = now.tv_sec + 600;
- time_to_wait.tv_nsec = 0;
+ gf_defrag_info_t *defrag = NULL;
+ loc_t root_loc = {
+ 0,
+ };
+ struct timespec time_to_wait = {
+ 0,
+ };
+ uint64_t tmp_size = 0;
+
+ if (!args)
+ return NULL;
+ defrag = (gf_defrag_info_t *)args;
+ dht_build_root_loc(defrag->root_inode, &root_loc);
- pthread_mutex_lock (&defrag->fc_mutex);
- pthread_cond_timedwait (&defrag->fc_wakeup_cond,
- &defrag->fc_mutex,
- &time_to_wait);
+ while (defrag->defrag_status == GF_DEFRAG_STATUS_STARTED) {
+ timespec_now(&time_to_wait);
+ time_to_wait.tv_sec += 600;
- pthread_mutex_unlock (&defrag->fc_mutex);
+ pthread_mutex_lock(&defrag->fc_mutex);
+ pthread_cond_timedwait(&defrag->fc_wakeup_cond, &defrag->fc_mutex,
+ &time_to_wait);
+ pthread_mutex_unlock(&defrag->fc_mutex);
- if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED)
- break;
+ if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED)
+ break;
- tmp_size = gf_defrag_total_file_size (defrag->this,
- &root_loc);
+ tmp_size = gf_defrag_total_file_size(defrag->this, &root_loc);
- gf_log ("dht", GF_LOG_INFO,
- "tmp data size =%"PRIu64,
- tmp_size);
+ gf_log("dht", GF_LOG_INFO, "tmp data size =%" PRIu64, tmp_size);
- if (!tmp_size) {
- gf_msg ("dht", GF_LOG_ERROR, 0, 0, "Failed to get "
- "the total data size. Unable to estimate "
- "time to complete rebalance.");
- } else {
- g_totalsize = tmp_size;
- gf_msg_debug ("dht", 0,
- "total data size =%"PRIu64,
- g_totalsize);
- }
+ if (!tmp_size) {
+ gf_msg("dht", GF_LOG_ERROR, 0, 0,
+ "Failed to get "
+ "the total data size. Unable to estimate "
+ "time to complete rebalance.");
+ } else {
+ g_totalsize = tmp_size;
+ gf_msg_debug("dht", 0, "total data size =%" PRIu64, g_totalsize);
}
+ }
- return NULL;
+ return NULL;
}
int
-gf_defrag_estimates_cleanup (xlator_t *this, gf_defrag_info_t *defrag,
- pthread_t filecnt_thread)
+gf_defrag_estimates_cleanup(xlator_t *this, gf_defrag_info_t *defrag,
+ pthread_t filecnt_thread)
{
- int ret = -1;
-
- /* Wake up the filecounter thread.
- * By now the defrag status will no longer be
- * GF_DEFRAG_STATUS_STARTED so the thread will exit the loop.
- */
- pthread_mutex_lock (&defrag->fc_mutex);
- {
- pthread_cond_broadcast (&defrag->fc_wakeup_cond);
- }
- pthread_mutex_unlock (&defrag->fc_mutex);
-
- ret = pthread_join (filecnt_thread, NULL);
- if (ret) {
- gf_msg ("dht", GF_LOG_ERROR, ret, 0,
- "file_counter_thread: pthread_join failed.");
- ret = -1;
- }
- return ret;
+ int ret = -1;
+
+ /* Wake up the filecounter thread.
+ * By now the defrag status will no longer be
+ * GF_DEFRAG_STATUS_STARTED so the thread will exit the loop.
+ */
+ pthread_mutex_lock(&defrag->fc_mutex);
+ {
+ pthread_cond_broadcast(&defrag->fc_wakeup_cond);
+ }
+ pthread_mutex_unlock(&defrag->fc_mutex);
+
+ ret = pthread_join(filecnt_thread, NULL);
+ if (ret) {
+ gf_msg("dht", GF_LOG_ERROR, ret, 0,
+ "file_counter_thread: pthread_join failed.");
+ ret = -1;
+ }
+ return ret;
}
-
int
-gf_defrag_estimates_init (xlator_t *this, loc_t *loc,
- pthread_t *filecnt_thread)
+gf_defrag_estimates_init(xlator_t *this, loc_t *loc, pthread_t *filecnt_thread)
{
- int ret = -1;
- dht_conf_t *conf = NULL;
- gf_defrag_info_t *defrag = NULL;
-
- conf = this->private;
- defrag = conf->defrag;
-
- g_totalsize = gf_defrag_total_file_size (this, loc);
- if (!g_totalsize) {
- gf_msg (this->name, GF_LOG_ERROR, 0, 0, "Failed to get "
- "the total data size. Unable to estimate "
- "time to complete rebalance.");
- goto out;
- }
-
- ret = gf_thread_create (filecnt_thread, NULL,
- &dht_file_counter_thread,
- (void *)defrag, "dhtfcnt");
-
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, ret, 0, "Failed to "
- "create the file counter thread ");
- ret = -1;
- }
- ret = 0;
+ int ret = -1;
+ dht_conf_t *conf = NULL;
+ gf_defrag_info_t *defrag = NULL;
+
+ conf = this->private;
+ defrag = conf->defrag;
+
+ g_totalsize = gf_defrag_total_file_size(this, loc);
+ if (!g_totalsize) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, 0,
+ "Failed to get "
+ "the total data size. Unable to estimate "
+ "time to complete rebalance.");
+ goto out;
+ }
+
+ ret = gf_thread_create(filecnt_thread, NULL, dht_file_counter_thread,
+ (void *)defrag, "dhtfcnt");
+
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, ret, 0,
+ "Failed to "
+ "create the file counter thread ");
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
out:
- return ret;
+ return ret;
}
-
/* Init and cleanup functions for parallel file migration*/
int
-gf_defrag_parallel_migration_init (xlator_t *this, gf_defrag_info_t *defrag,
- pthread_t **tid_array, int *thread_index)
+gf_defrag_parallel_migration_init(xlator_t *this, gf_defrag_info_t *defrag,
+ pthread_t **tid_array, int *thread_index)
{
- int ret = -1;
- int thread_spawn_count = 0;
- int index = 0;
- pthread_t *tid = NULL;
- char thread_name[GF_THREAD_NAMEMAX] = {0,};
+ int ret = -1;
+ int thread_spawn_count = 0;
+ int index = 0;
+ pthread_t *tid = NULL;
- if (!defrag)
- goto out;
+ if (!defrag)
+ goto out;
- /* Initialize global entry queue */
- defrag->queue = GF_CALLOC (1, sizeof (struct dht_container),
- gf_dht_mt_container_t);
+ /* Initialize global entry queue */
+ defrag->queue = GF_CALLOC(1, sizeof(struct dht_container),
+ gf_dht_mt_container_t);
- if (!defrag->queue) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, 0,
- "Failed to initialise migration queue");
- ret = -1;
- goto out;
- }
+ if (!defrag->queue) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, 0,
+ "Failed to initialise migration queue");
+ ret = -1;
+ goto out;
+ }
- INIT_LIST_HEAD (&(defrag->queue[0].list));
+ INIT_LIST_HEAD(&(defrag->queue[0].list));
- thread_spawn_count = MAX (MAX_REBAL_THREADS, 4);
+ thread_spawn_count = MAX(MAX_REBAL_THREADS, 4);
- gf_msg_debug (this->name, 0, "thread_spawn_count: %d",
- thread_spawn_count);
+ gf_msg_debug(this->name, 0, "thread_spawn_count: %d", thread_spawn_count);
- tid = GF_CALLOC (thread_spawn_count, sizeof (pthread_t),
- gf_common_mt_pthread_t);
- if (!tid) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, 0,
- "Failed to create migration threads");
- ret = -1;
- goto out;
- }
- defrag->current_thread_count = thread_spawn_count;
-
- /*Spawn Threads Here*/
- while (index < thread_spawn_count) {
- snprintf (thread_name, sizeof(thread_name),
- "dhtmig%d", ((index + 1) & 0x3ff));
- ret = gf_thread_create (&(tid[index]), NULL,
- &gf_defrag_task, (void *)defrag,
- thread_name);
- if (ret != 0) {
- gf_msg ("DHT", GF_LOG_ERROR, ret, 0,
- "Thread[%d] creation failed. ",
- index);
- ret = -1;
- goto out;
- } else {
- gf_log ("DHT", GF_LOG_INFO, "Thread[%d] "
- "creation successful", index);
- }
- index++;
+ tid = GF_CALLOC(thread_spawn_count, sizeof(pthread_t),
+ gf_common_mt_pthread_t);
+ if (!tid) {
+ gf_msg(this->name, GF_LOG_ERROR, ENOMEM, 0,
+ "Failed to create migration threads");
+ ret = -1;
+ goto out;
+ }
+ defrag->current_thread_count = thread_spawn_count;
+
+ /*Spawn Threads Here*/
+ while (index < thread_spawn_count) {
+ ret = gf_thread_create(&(tid[index]), NULL, gf_defrag_task,
+ (void *)defrag, "dhtmig%d", (index + 1) & 0x3ff);
+ if (ret != 0) {
+ gf_msg("DHT", GF_LOG_ERROR, ret, 0, "Thread[%d] creation failed. ",
+ index);
+ ret = -1;
+ goto out;
+ } else {
+ gf_log("DHT", GF_LOG_INFO,
+ "Thread[%d] "
+ "creation successful",
+ index);
}
+ index++;
+ }
- ret = 0;
+ ret = 0;
out:
- *thread_index = index;
- *tid_array = tid;
+ *thread_index = index;
+ *tid_array = tid;
- return ret;
+ return ret;
}
int
-gf_defrag_parallel_migration_cleanup (gf_defrag_info_t *defrag,
- pthread_t *tid_array, int thread_index)
+gf_defrag_parallel_migration_cleanup(gf_defrag_info_t *defrag,
+ pthread_t *tid_array, int thread_index)
{
- int ret = -1;
- int i = 0;
+ int ret = -1;
+ int i = 0;
- if (!defrag)
- goto out;
+ if (!defrag)
+ goto out;
- /* Wake up all migration threads */
- pthread_mutex_lock (&defrag->dfq_mutex);
- {
- defrag->crawl_done = 1;
+ /* Wake up all migration threads */
+ pthread_mutex_lock(&defrag->dfq_mutex);
+ {
+ defrag->crawl_done = 1;
- pthread_cond_broadcast (&defrag->parallel_migration_cond);
- pthread_cond_broadcast (&defrag->df_wakeup_thread);
- }
- pthread_mutex_unlock (&defrag->dfq_mutex);
+ pthread_cond_broadcast(&defrag->parallel_migration_cond);
+ pthread_cond_broadcast(&defrag->df_wakeup_thread);
+ }
+ pthread_mutex_unlock(&defrag->dfq_mutex);
- /*Wait for all the threads to complete their task*/
- for (i = 0; i < thread_index; i++) {
- pthread_join (tid_array[i], NULL);
- }
+ /*Wait for all the threads to complete their task*/
+ for (i = 0; i < thread_index; i++) {
+ pthread_join(tid_array[i], NULL);
+ }
- GF_FREE (tid_array);
+ GF_FREE(tid_array);
- /* Cleanup the migration queue */
- if (defrag->queue) {
- gf_dirent_free (defrag->queue[0].df_entry);
- INIT_LIST_HEAD (&(defrag->queue[0].list));
- }
+ /* Cleanup the migration queue */
+ if (defrag->queue) {
+ gf_dirent_free(defrag->queue[0].df_entry);
+ INIT_LIST_HEAD(&(defrag->queue[0].list));
+ }
- GF_FREE (defrag->queue);
+ GF_FREE(defrag->queue);
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
-
-
int
-gf_defrag_start_crawl (void *data)
+gf_defrag_start_crawl(void *data)
{
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- gf_defrag_info_t *defrag = NULL;
- dict_t *fix_layout = NULL;
- dict_t *migrate_data = NULL;
- dict_t *status = NULL;
- glusterfs_ctx_t *ctx = NULL;
- dht_methods_t *methods = NULL;
- call_frame_t *statfs_frame = NULL;
- xlator_t *old_THIS = NULL;
- int ret = -1;
- loc_t loc = {0,};
- struct iatt iatt = {0,};
- struct iatt parent = {0,};
- int thread_index = 0;
- pthread_t *tid = NULL;
- pthread_t filecnt_thread;
- gf_boolean_t is_tier_detach = _gf_false;
- gf_boolean_t fc_thread_started = _gf_false;
-
- this = data;
- if (!this)
- goto exit;
-
- ctx = this->ctx;
- if (!ctx)
- goto exit;
-
- conf = this->private;
- if (!conf)
- goto exit;
-
- defrag = conf->defrag;
- if (!defrag)
- goto exit;
-
- gettimeofday (&defrag->start_time, NULL);
- dht_build_root_inode (this, &defrag->root_inode);
- if (!defrag->root_inode)
- goto out;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ gf_defrag_info_t *defrag = NULL;
+ dict_t *fix_layout = NULL;
+ dict_t *migrate_data = NULL;
+ dict_t *status = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ call_frame_t *statfs_frame = NULL;
+ xlator_t *old_THIS = NULL;
+ int ret = -1;
+ loc_t loc = {
+ 0,
+ };
+ struct iatt iatt = {
+ 0,
+ };
+ struct iatt parent = {
+ 0,
+ };
+ int thread_index = 0;
+ pthread_t *tid = NULL;
+ pthread_t filecnt_thread;
+ gf_boolean_t fc_thread_started = _gf_false;
+
+ this = data;
+ if (!this)
+ goto exit;
+
+ ctx = this->ctx;
+ if (!ctx)
+ goto exit;
+
+ conf = this->private;
+ if (!conf)
+ goto exit;
+
+ defrag = conf->defrag;
+ if (!defrag)
+ goto exit;
+
+ defrag->start_time = gf_time();
+
+ dht_build_root_inode(this, &defrag->root_inode);
+ if (!defrag->root_inode)
+ goto out;
+
+ dht_build_root_loc(defrag->root_inode, &loc);
+
+ /* fix-layout on '/' first */
+
+ ret = syncop_lookup(this, &loc, &iatt, &parent, NULL, NULL);
+
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_REBALANCE_START_FAILED,
+ "Failed to start rebalance: look up on / failed");
+ ret = -1;
+ goto out;
+ }
- dht_build_root_loc (defrag->root_inode, &loc);
+ old_THIS = THIS;
+ THIS = this;
- /* fix-layout on '/' first */
+ statfs_frame = create_frame(this, this->ctx->pool);
+ if (!statfs_frame) {
+ gf_msg(this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, ENOMEM,
+ "Insufficient memory. Frame creation failed");
+ ret = -1;
+ goto out;
+ }
- ret = syncop_lookup (this, &loc, &iatt, &parent, NULL, NULL);
+ /* async statfs update for honoring min-free-disk */
+ dht_get_du_info(statfs_frame, this, &loc);
+ THIS = old_THIS;
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_REBALANCE_START_FAILED,
- "Failed to start rebalance: look up on / failed");
- ret = -1;
- goto out;
- }
+ fix_layout = dict_new();
+ if (!fix_layout) {
+ ret = -1;
+ goto out;
+ }
+
+ /*
+ * Unfortunately, we can't do special xattrs (like fix.layout) and
+ * real ones in the same call currently, and changing it seems
+ * riskier than just doing two calls.
+ */
+
+ gf_log(this->name, GF_LOG_INFO, "%s using commit hash %u", __func__,
+ conf->vol_commit_hash);
+
+ ret = dict_set_uint32(fix_layout, conf->commithash_xattr_name,
+ conf->vol_commit_hash);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR, "Failed to set %s",
+ conf->commithash_xattr_name);
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
+ }
+
+ ret = syncop_setxattr(this, &loc, fix_layout, 0, NULL, NULL);
+ if (ret) {
+ gf_log(this->name, GF_LOG_ERROR,
+ "Failed to set commit hash on %s. "
+ "Rebalance cannot proceed.",
+ loc.path);
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
+ }
+
+ /* We now return to our regularly scheduled program. */
+
+ ret = dict_set_str(fix_layout, GF_XATTR_FIX_LAYOUT_KEY, "yes");
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_REBALANCE_START_FAILED,
+ "Failed to start rebalance:"
+ "Failed to set dictionary value: key = %s",
+ GF_XATTR_FIX_LAYOUT_KEY);
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
+ }
- old_THIS = THIS;
- THIS = this;
+ defrag->new_commit_hash = conf->vol_commit_hash;
- statfs_frame = create_frame (this, this->ctx->pool);
- if (!statfs_frame) {
- gf_msg (this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, ENOMEM,
- "Insufficient memory. Frame creation failed");
- ret = -1;
- goto out;
- }
+ ret = syncop_setxattr(this, &loc, fix_layout, 0, NULL, NULL);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_REBALANCE_FAILED,
+ "fix layout on %s failed", loc.path);
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
+ }
- /* async statfs update for honoring min-free-disk */
- dht_get_du_info (statfs_frame, this, &loc);
- THIS = old_THIS;
+ if (defrag->cmd != GF_DEFRAG_CMD_START_LAYOUT_FIX) {
+ /* We need to migrate files */
- fix_layout = dict_new ();
- if (!fix_layout) {
- ret = -1;
- goto out;
+ migrate_data = dict_new();
+ if (!migrate_data) {
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
}
-
- /*
- * Unfortunately, we can't do special xattrs (like fix.layout) and
- * real ones in the same call currently, and changing it seems
- * riskier than just doing two calls.
- */
-
- gf_log (this->name, GF_LOG_INFO, "%s using commit hash %u",
- __func__, conf->vol_commit_hash);
-
- ret = dict_set_uint32 (fix_layout, conf->commithash_xattr_name,
- conf->vol_commit_hash);
+ ret = dict_set_str(
+ migrate_data, GF_XATTR_FILE_MIGRATE_KEY,
+ (defrag->cmd == GF_DEFRAG_CMD_START_FORCE) ? "force" : "non-force");
if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to set %s", conf->commithash_xattr_name);
- defrag->total_failures++;
- ret = -1;
- goto out;
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
}
- ret = syncop_setxattr (this, &loc, fix_layout, 0, NULL, NULL);
+ ret = dht_init_local_subvols_and_nodeuuids(this, conf, &loc);
if (ret) {
- gf_log (this->name, GF_LOG_ERROR,
- "Failed to set commit hash on %s. "
- "Rebalance cannot proceed.",
- loc.path);
- defrag->total_failures++;
- ret = -1;
- goto out;
+ ret = -1;
+ goto out;
}
- /* We now return to our regularly scheduled program. */
-
- ret = dict_set_str (fix_layout, GF_XATTR_FIX_LAYOUT_KEY, "yes");
+ /* Initialise the structures required for parallel migration */
+ ret = gf_defrag_parallel_migration_init(this, defrag, &tid,
+ &thread_index);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_REBALANCE_START_FAILED,
- "Failed to start rebalance:"
- "Failed to set dictionary value: key = %s",
- GF_XATTR_FIX_LAYOUT_KEY);
- defrag->total_failures++;
- ret = -1;
- goto out;
+ gf_msg(this->name, GF_LOG_ERROR, 0, 0, "Aborting rebalance.");
+ goto out;
}
- defrag->new_commit_hash = conf->vol_commit_hash;
-
- ret = syncop_setxattr (this, &loc, fix_layout, 0, NULL, NULL);
+ ret = gf_defrag_estimates_init(this, &loc, &filecnt_thread);
if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_REBALANCE_FAILED,
- "fix layout on %s failed",
- loc.path);
- defrag->total_failures++;
- ret = -1;
- goto out;
- }
-
- if (defrag->cmd != GF_DEFRAG_CMD_START_LAYOUT_FIX) {
- /* We need to migrate files */
-
- migrate_data = dict_new ();
- if (!migrate_data) {
- defrag->total_failures++;
- ret = -1;
- goto out;
- }
- ret = dict_set_str (migrate_data, GF_XATTR_FILE_MIGRATE_KEY,
- (defrag->cmd == GF_DEFRAG_CMD_START_FORCE)
- ? "force" : "non-force");
- if (ret) {
- defrag->total_failures++;
- ret = -1;
- goto out;
- }
-
- ret = dht_init_local_subvols_and_nodeuuids (this, conf, &loc);
- if (ret) {
- ret = -1;
- goto out;
- }
-
- /* Initialise the structures required for parallel migration */
- ret = gf_defrag_parallel_migration_init (this, defrag, &tid,
- &thread_index);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0, 0,
- "Aborting rebalance.");
- goto out;
- }
-
- ret = gf_defrag_estimates_init (this, &loc, &filecnt_thread);
- if (ret) {
- /* Not a fatal error. Allow the rebalance to proceed*/
- ret = 0;
- } else {
- fc_thread_started = _gf_true;
- }
- }
-
-
- if (defrag->cmd == GF_DEFRAG_CMD_START_TIER) {
- /* Fix layout for attach tier */
- ret = gf_tier_start_fix_layout (this, &loc, defrag, fix_layout);
- if (ret) {
- goto out;
- }
-
- methods = &(conf->methods);
-
- /* Calling tier_start of tier.c */
- methods->migration_other(this, defrag);
- if (defrag->cmd == GF_DEFRAG_CMD_START_DETACH_TIER ||
- defrag->cmd == GF_DEFRAG_CMD_DETACH_START) {
-
- ret = dict_set_str (migrate_data,
- GF_XATTR_FILE_MIGRATE_KEY,
- "force");
- if (ret)
- goto out;
-
- }
+ /* Not a fatal error. Allow the rebalance to proceed*/
+ ret = 0;
} else {
- ret = gf_defrag_fix_layout (this, defrag, &loc, fix_layout,
- migrate_data);
- if (ret && ret != 2) {
- defrag->total_failures++;
- ret = -1;
- goto out;
- }
-
- if (ret != 2 && gf_defrag_settle_hash
- (this, defrag, &loc, fix_layout) != 0) {
- defrag->total_failures++;
- ret = -1;
- goto out;
- }
-
- if (defrag->cmd == GF_DEFRAG_CMD_START_DETACH_TIER ||
- defrag->cmd == GF_DEFRAG_CMD_DETACH_START)
- is_tier_detach = _gf_true;
-
+ fc_thread_started = _gf_true;
}
+ }
- gf_log ("DHT", GF_LOG_INFO, "crawling file-system completed");
-out:
-
- /* We are here means crawling the entire file system is done
- or something failed. Set defrag->crawl_done flag to intimate
- the migrator threads to exhaust the defrag->queue and terminate*/
-
- if (ret) {
- defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
- }
+ ret = gf_defrag_fix_layout(this, defrag, &loc, fix_layout, migrate_data);
+ if (ret) {
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
+ }
+ if (gf_defrag_settle_hash(this, defrag, &loc, fix_layout) != 0) {
+ defrag->total_failures++;
+ ret = -1;
+ goto out;
+ }
- if (defrag->cmd == GF_DEFRAG_CMD_START_TIER) {
- /* Wait for the tier fixlayout to
- * complete if its was started.*/
- gf_tier_wait_fix_lookup (defrag);
- }
+ gf_log("DHT", GF_LOG_INFO, "crawling file-system completed");
+out:
- if (is_tier_detach && ret == 0) {
- /* If it was a detach remove the tier fix-layout
- * xattr on root. Ignoring the failure, as nothing has to be
- * done, logging is done in gf_tier_clear_fix_layout */
- gf_tier_clear_fix_layout (this, &loc, defrag);
- }
+ /* We are here means crawling the entire file system is done
+ or something failed. Set defrag->crawl_done flag to intimate
+ the migrator threads to exhaust the defrag->queue and terminate*/
- gf_defrag_parallel_migration_cleanup (defrag, tid, thread_index);
+ if (ret) {
+ defrag->defrag_status = GF_DEFRAG_STATUS_FAILED;
+ }
- if ((defrag->defrag_status != GF_DEFRAG_STATUS_STOPPED) &&
- (defrag->defrag_status != GF_DEFRAG_STATUS_FAILED)) {
- defrag->defrag_status = GF_DEFRAG_STATUS_COMPLETE;
- }
+ gf_defrag_parallel_migration_cleanup(defrag, tid, thread_index);
- if (fc_thread_started) {
- gf_defrag_estimates_cleanup (this, defrag, filecnt_thread);
- }
+ if ((defrag->defrag_status != GF_DEFRAG_STATUS_STOPPED) &&
+ (defrag->defrag_status != GF_DEFRAG_STATUS_FAILED)) {
+ defrag->defrag_status = GF_DEFRAG_STATUS_COMPLETE;
+ }
- dht_send_rebalance_event (this, defrag->cmd, defrag->defrag_status);
+ if (fc_thread_started) {
+ gf_defrag_estimates_cleanup(this, defrag, filecnt_thread);
+ }
- LOCK (&defrag->lock);
- {
- status = dict_new ();
- gf_defrag_status_get (conf, status);
- if (ctx && ctx->notify)
- ctx->notify (GF_EN_DEFRAG_STATUS, status);
- if (status)
- dict_unref (status);
- defrag->is_exiting = 1;
- }
- UNLOCK (&defrag->lock);
+ dht_send_rebalance_event(this, defrag->cmd, defrag->defrag_status);
+ status = dict_new();
+ LOCK(&defrag->lock);
+ {
+ gf_defrag_status_get(conf, status);
+ if (ctx && ctx->notify)
+ ctx->notify(GF_EN_DEFRAG_STATUS, status);
+ if (status)
+ dict_unref(status);
+ defrag->is_exiting = 1;
+ }
+ UNLOCK(&defrag->lock);
- GF_FREE (defrag);
- conf->defrag = NULL;
+ GF_FREE(defrag);
+ conf->defrag = NULL;
- if (migrate_data)
- dict_unref (migrate_data);
+ if (migrate_data)
+ dict_unref(migrate_data);
- if (statfs_frame) {
- STACK_DESTROY (statfs_frame->root);
- }
+ if (statfs_frame) {
+ STACK_DESTROY(statfs_frame->root);
+ }
exit:
- return ret;
+ return ret;
}
-
-
static int
-gf_defrag_done (int ret, call_frame_t *sync_frame, void *data)
+gf_defrag_done(int ret, call_frame_t *sync_frame, void *data)
{
- gf_listener_stop (sync_frame->this);
+ gf_listener_stop(sync_frame->this);
- STACK_DESTROY (sync_frame->root);
- kill (getpid(), SIGTERM);
- return 0;
+ STACK_DESTROY(sync_frame->root);
+ kill(getpid(), SIGTERM);
+ return 0;
}
void *
-gf_defrag_start (void *data)
+gf_defrag_start(void *data)
{
- int ret = -1;
- call_frame_t *frame = NULL;
- dht_conf_t *conf = NULL;
- gf_defrag_info_t *defrag = NULL;
- xlator_t *this = NULL;
- xlator_t *old_THIS = NULL;
-
- this = data;
- conf = this->private;
- if (!conf)
- goto out;
+ int ret = -1;
+ call_frame_t *frame = NULL;
+ dht_conf_t *conf = NULL;
+ gf_defrag_info_t *defrag = NULL;
+ xlator_t *this = NULL;
+ xlator_t *old_THIS = NULL;
- defrag = conf->defrag;
- if (!defrag)
- goto out;
+ this = data;
+ conf = this->private;
+ if (!conf)
+ goto out;
- frame = create_frame (this, this->ctx->pool);
- if (!frame)
- goto out;
+ defrag = conf->defrag;
+ if (!defrag)
+ goto out;
- frame->root->pid = GF_CLIENT_PID_DEFRAG;
+ frame = create_frame(this, this->ctx->pool);
+ if (!frame)
+ goto out;
- defrag->pid = frame->root->pid;
+ frame->root->pid = GF_CLIENT_PID_DEFRAG;
- defrag->defrag_status = GF_DEFRAG_STATUS_STARTED;
+ defrag->pid = frame->root->pid;
- old_THIS = THIS;
- THIS = this;
- ret = synctask_new (this->ctx->env, gf_defrag_start_crawl,
- gf_defrag_done, frame, this);
+ defrag->defrag_status = GF_DEFRAG_STATUS_STARTED;
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_REBALANCE_START_FAILED,
- "Could not create task for rebalance");
- THIS = old_THIS;
+ old_THIS = THIS;
+ THIS = this;
+ ret = synctask_new(this->ctx->env, gf_defrag_start_crawl, gf_defrag_done,
+ frame, this);
+
+ if (ret)
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_REBALANCE_START_FAILED,
+ "Could not create task for rebalance");
+ THIS = old_THIS;
out:
- return NULL;
+ return NULL;
}
-
uint64_t
-gf_defrag_get_estimates_based_on_size (dht_conf_t *conf)
+gf_defrag_get_estimates_based_on_size(dht_conf_t *conf)
{
- gf_defrag_info_t *defrag = NULL;
- double rate_processed = 0;
- uint64_t total_processed = 0;
- uint64_t tmp_count = 0;
- uint64_t time_to_complete = 0;
- struct timeval now = {0,};
- double elapsed = 0;
+ gf_defrag_info_t *defrag = NULL;
+ double rate_processed = 0;
+ uint64_t total_processed = 0;
+ uint64_t tmp_count = 0;
+ uint64_t time_to_complete = 0;
+ double elapsed = 0;
- defrag = conf->defrag;
+ defrag = conf->defrag;
- if (!g_totalsize)
- goto out;
+ if (!g_totalsize)
+ goto out;
- gettimeofday (&now, NULL);
- elapsed = now.tv_sec - defrag->start_time.tv_sec;
+ elapsed = gf_time() - defrag->start_time;
- /* Don't calculate the estimates for the first 10 minutes.
- * It is unlikely to be accurate and estimates are not required
- * if the process finishes in less than 10 mins.
- */
+ /* Don't calculate the estimates for the first 10 minutes.
+ * It is unlikely to be accurate and estimates are not required
+ * if the process finishes in less than 10 mins.
+ */
- if (elapsed < ESTIMATE_START_INTERVAL) {
- gf_msg (THIS->name, GF_LOG_INFO, 0, 0,
- "Rebalance estimates will not be available for the "
- "first %d seconds.", ESTIMATE_START_INTERVAL);
+ if (elapsed < ESTIMATE_START_INTERVAL) {
+ gf_msg(THIS->name, GF_LOG_INFO, 0, 0,
+ "Rebalance estimates will not be available for the "
+ "first %d seconds.",
+ ESTIMATE_START_INTERVAL);
- goto out;
- }
+ goto out;
+ }
- total_processed = defrag->size_processed;
+ total_processed = defrag->size_processed;
- /* rate at which files processed */
- rate_processed = (total_processed)/elapsed;
+ /* rate at which files processed */
+ rate_processed = (total_processed) / elapsed;
- tmp_count = g_totalsize;
+ tmp_count = g_totalsize;
- if (rate_processed) {
- time_to_complete = (tmp_count)/rate_processed;
+ if (rate_processed) {
+ time_to_complete = (tmp_count) / rate_processed;
- } else {
- gf_msg (THIS->name, GF_LOG_ERROR, 0, 0,
- "Unable to calculate estimated time for rebalance");
- }
+ } else {
+ gf_msg(THIS->name, GF_LOG_ERROR, 0, 0,
+ "Unable to calculate estimated time for rebalance");
+ }
- gf_log (THIS->name, GF_LOG_INFO,
- "TIME: (size) total_processed=%"PRIu64" tmp_cnt = %"PRIu64","
- "rate_processed=%f, elapsed = %f", total_processed, tmp_count,
- rate_processed, elapsed);
+ gf_log(THIS->name, GF_LOG_INFO,
+ "TIME: (size) total_processed=%" PRIu64 " tmp_cnt = %" PRIu64
+ ","
+ "rate_processed=%f, elapsed = %f",
+ total_processed, tmp_count, rate_processed, elapsed);
out:
- return time_to_complete;
+ return time_to_complete;
}
-
int
-gf_defrag_status_get (dht_conf_t *conf, dict_t *dict)
+gf_defrag_status_get(dht_conf_t *conf, dict_t *dict)
{
- int ret = 0;
- uint64_t files = 0;
- uint64_t size = 0;
- uint64_t lookup = 0;
- uint64_t failures = 0;
- uint64_t skipped = 0;
- uint64_t promoted = 0;
- uint64_t demoted = 0;
- char *status = "";
- double elapsed = 0;
- struct timeval end = {0,};
- uint64_t time_to_complete = 0;
- uint64_t time_left = 0;
- gf_defrag_info_t *defrag = conf->defrag;
-
- if (!defrag)
- goto out;
-
- ret = 0;
- if (defrag->defrag_status == GF_DEFRAG_STATUS_NOT_STARTED)
- goto out;
-
- files = defrag->total_files;
- size = defrag->total_data;
- lookup = defrag->num_files_lookedup;
- failures = defrag->total_failures;
- skipped = defrag->skipped;
- promoted = defrag->total_files_promoted;
- demoted = defrag->total_files_demoted;
-
- gettimeofday (&end, NULL);
-
- elapsed = end.tv_sec - defrag->start_time.tv_sec;
-
-
- /* The rebalance is still in progress */
-
- if ((defrag->cmd != GF_DEFRAG_CMD_START_TIER)
- && (defrag->defrag_status == GF_DEFRAG_STATUS_STARTED)) {
-
- time_to_complete = gf_defrag_get_estimates_based_on_size (conf);
-
- if (time_to_complete && (time_to_complete > elapsed))
- time_left = time_to_complete - elapsed;
-
- gf_log (THIS->name, GF_LOG_INFO,
- "TIME: Estimated total time to complete (size)= %"PRIu64
- " seconds, seconds left = %"PRIu64"",
- time_to_complete, time_left);
- }
-
- if (!dict)
- goto log;
-
- ret = dict_set_uint64 (dict, "promoted", promoted);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set promoted count");
-
- ret = dict_set_uint64 (dict, "demoted", demoted);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set demoted count");
-
- ret = dict_set_uint64 (dict, "files", files);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set file count");
-
- ret = dict_set_uint64 (dict, "size", size);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set size of xfer");
-
- ret = dict_set_uint64 (dict, "lookups", lookup);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set lookedup file count");
-
-
- ret = dict_set_int32 (dict, "status", defrag->defrag_status);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set status");
-
- ret = dict_set_double (dict, "run-time", elapsed);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set run-time");
-
- ret = dict_set_uint64 (dict, "failures", failures);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set failure count");
-
- ret = dict_set_uint64 (dict, "skipped", skipped);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set skipped file count");
-
- ret = dict_set_uint64 (dict, "time-left", time_left);
- if (ret)
- gf_log (THIS->name, GF_LOG_WARNING,
- "failed to set time-left");
+ int ret = 0;
+ uint64_t files = 0;
+ uint64_t size = 0;
+ uint64_t lookup = 0;
+ uint64_t failures = 0;
+ uint64_t skipped = 0;
+ char *status = "";
+ double elapsed = 0;
+ uint64_t time_to_complete = 0;
+ uint64_t time_left = 0;
+ gf_defrag_info_t *defrag = conf->defrag;
+
+ if (!defrag)
+ goto out;
+
+ ret = 0;
+ if (defrag->defrag_status == GF_DEFRAG_STATUS_NOT_STARTED)
+ goto out;
+
+ files = defrag->total_files;
+ size = defrag->total_data;
+ lookup = defrag->num_files_lookedup;
+ failures = defrag->total_failures;
+ skipped = defrag->skipped;
+
+ elapsed = gf_time() - defrag->start_time;
+
+ /* The rebalance is still in progress */
+
+ if (defrag->defrag_status == GF_DEFRAG_STATUS_STARTED) {
+ time_to_complete = gf_defrag_get_estimates_based_on_size(conf);
+
+ if (time_to_complete && (time_to_complete > elapsed))
+ time_left = time_to_complete - elapsed;
+
+ gf_log(THIS->name, GF_LOG_INFO,
+ "TIME: Estimated total time to complete (size)= %" PRIu64
+ " seconds, seconds left = %" PRIu64 "",
+ time_to_complete, time_left);
+ }
+
+ if (!dict)
+ goto log;
+
+ ret = dict_set_uint64(dict, "files", files);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set file count");
+
+ ret = dict_set_uint64(dict, "size", size);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set size of xfer");
+
+ ret = dict_set_uint64(dict, "lookups", lookup);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set lookedup file count");
+
+ ret = dict_set_int32(dict, "status", defrag->defrag_status);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set status");
+
+ ret = dict_set_double(dict, "run-time", elapsed);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set run-time");
+
+ ret = dict_set_uint64(dict, "failures", failures);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set failure count");
+
+ ret = dict_set_uint64(dict, "skipped", skipped);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set skipped file count");
+
+ ret = dict_set_uint64(dict, "time-left", time_left);
+ if (ret)
+ gf_log(THIS->name, GF_LOG_WARNING, "failed to set time-left");
log:
- switch (defrag->defrag_status) {
+ switch (defrag->defrag_status) {
case GF_DEFRAG_STATUS_NOT_STARTED:
- status = "not started";
- break;
+ status = "not started";
+ break;
case GF_DEFRAG_STATUS_STARTED:
- status = "in progress";
- break;
+ status = "in progress";
+ break;
case GF_DEFRAG_STATUS_STOPPED:
- status = "stopped";
- break;
+ status = "stopped";
+ break;
case GF_DEFRAG_STATUS_COMPLETE:
- status = "completed";
- break;
+ status = "completed";
+ break;
case GF_DEFRAG_STATUS_FAILED:
- status = "failed";
- break;
+ status = "failed";
+ break;
default:
- break;
- }
-
- gf_msg (THIS->name, GF_LOG_INFO, 0, DHT_MSG_REBALANCE_STATUS,
- "Rebalance is %s. Time taken is %.2f secs",
- status, elapsed);
- gf_msg (THIS->name, GF_LOG_INFO, 0, DHT_MSG_REBALANCE_STATUS,
- "Files migrated: %"PRIu64", size: %"
- PRIu64", lookups: %"PRIu64", failures: %"PRIu64", skipped: "
- "%"PRIu64, files, size, lookup, failures, skipped);
-out:
- return 0;
-}
-
-void
-gf_defrag_set_pause_state (gf_tier_conf_t *tier_conf, tier_pause_state_t state)
-{
- pthread_mutex_lock (&tier_conf->pause_mutex);
- tier_conf->pause_state = state;
- pthread_mutex_unlock (&tier_conf->pause_mutex);
-}
-
-
-tier_pause_state_t
-gf_defrag_get_pause_state (gf_tier_conf_t *tier_conf)
-{
- int state;
-
- pthread_mutex_lock (&tier_conf->pause_mutex);
- state = tier_conf->pause_state;
- pthread_mutex_unlock (&tier_conf->pause_mutex);
-
- return state;
-}
-
-tier_pause_state_t
-gf_defrag_check_pause_tier (gf_tier_conf_t *tier_conf)
-{
- int woke = 0;
- int state = -1;
-
- pthread_mutex_lock (&tier_conf->pause_mutex);
-
- if (tier_conf->pause_state == TIER_RUNNING)
- goto out;
-
- if (tier_conf->pause_state == TIER_PAUSED)
- goto out;
-
- if (tier_conf->promote_in_progress ||
- tier_conf->demote_in_progress)
- goto out;
-
- tier_conf->pause_state = TIER_PAUSED;
-
- if (tier_conf->pause_synctask) {
- synctask_wake (tier_conf->pause_synctask);
- tier_conf->pause_synctask = 0;
- woke = 1;
- }
-
- gf_msg ("tier", GF_LOG_DEBUG, 0,
- DHT_MSG_TIER_PAUSED,
- "woken %d", woke);
-
- gf_event (EVENT_TIER_PAUSE, "vol=%s", tier_conf->volname);
-out:
- state = tier_conf->pause_state;
-
- pthread_mutex_unlock (&tier_conf->pause_mutex);
-
- return state;
-}
-
-void
-gf_defrag_pause_tier_timeout (void *data)
-{
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- gf_defrag_info_t *defrag = NULL;
-
- this = (xlator_t *) data;
- GF_VALIDATE_OR_GOTO ("tier", this, out);
-
- conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, out);
-
- defrag = conf->defrag;
- GF_VALIDATE_OR_GOTO (this->name, defrag, out);
-
- gf_msg (this->name, GF_LOG_DEBUG, 0,
- DHT_MSG_TIER_PAUSED,
- "Request pause timer timeout");
-
- gf_defrag_check_pause_tier (&defrag->tier_conf);
-
-out:
- return;
-}
-
-int
-gf_defrag_pause_tier (xlator_t *this, gf_defrag_info_t *defrag)
-{
- int ret = 0;
- struct timespec delta = {0,};
- int delay = 2;
-
- if (defrag->defrag_status != GF_DEFRAG_STATUS_STARTED)
- goto out;
-
- /*
- * Set flag requesting to pause tiering. Wait 'delay' seconds for
- * tiering to actually stop as indicated by the pause state
- * before returning success or failure.
- */
- gf_defrag_set_pause_state (&defrag->tier_conf, TIER_REQUEST_PAUSE);
-
- /*
- * If migration is not underway, can pause immediately.
- */
- gf_defrag_check_pause_tier (&defrag->tier_conf);
- if (gf_defrag_get_pause_state (&defrag->tier_conf) == TIER_PAUSED)
- goto out;
-
- gf_msg (this->name, GF_LOG_DEBUG, 0,
- DHT_MSG_TIER_PAUSED,
- "Request pause tier");
-
- defrag->tier_conf.pause_synctask = synctask_get ();
- delta.tv_sec = delay;
- delta.tv_nsec = 0;
- defrag->tier_conf.pause_timer =
- gf_timer_call_after (this->ctx, delta,
- gf_defrag_pause_tier_timeout,
- this);
-
- synctask_yield (defrag->tier_conf.pause_synctask);
-
- if (gf_defrag_get_pause_state (&defrag->tier_conf) == TIER_PAUSED)
- goto out;
-
- gf_defrag_set_pause_state (&defrag->tier_conf, TIER_RUNNING);
-
- ret = -1;
+ break;
+ }
+
+ gf_msg(THIS->name, GF_LOG_INFO, 0, DHT_MSG_REBALANCE_STATUS,
+ "Rebalance is %s. Time taken is %.2f secs", status, elapsed);
+ gf_msg(THIS->name, GF_LOG_INFO, 0, DHT_MSG_REBALANCE_STATUS,
+ "Files migrated: %" PRIu64 ", size: %" PRIu64 ", lookups: %" PRIu64
+ ", failures: %" PRIu64
+ ", skipped: "
+ "%" PRIu64,
+ files, size, lookup, failures, skipped);
out:
-
- gf_msg (this->name, GF_LOG_DEBUG, 0,
- DHT_MSG_TIER_PAUSED,
- "Pause tiering ret=%d", ret);
-
- return ret;
-}
-
-int
-gf_defrag_resume_tier (xlator_t *this, gf_defrag_info_t *defrag)
-{
- gf_msg (this->name, GF_LOG_DEBUG, 0,
- DHT_MSG_TIER_RESUME,
- "Pause end. Resume tiering");
-
- gf_defrag_set_pause_state (&defrag->tier_conf, TIER_RUNNING);
-
- gf_event (EVENT_TIER_RESUME, "vol=%s", defrag->tier_conf.volname);
-
- return 0;
+ return 0;
}
int
-gf_defrag_start_detach_tier (gf_defrag_info_t *defrag)
+gf_defrag_stop(dht_conf_t *conf, gf_defrag_status_t status, dict_t *output)
{
- defrag->cmd = GF_DEFRAG_CMD_START_DETACH_TIER;
+ /* TODO: set a variable 'stop_defrag' here, it should be checked
+ in defrag loop */
+ int ret = -1;
+ gf_defrag_info_t *defrag = conf->defrag;
- return 0;
-}
+ GF_ASSERT(defrag);
-int
-gf_defrag_stop (dht_conf_t *conf, gf_defrag_status_t status,
- dict_t *output)
-{
- /* TODO: set a variable 'stop_defrag' here, it should be checked
- in defrag loop */
- int ret = -1;
- gf_defrag_info_t *defrag = conf->defrag;
+ if (defrag->defrag_status == GF_DEFRAG_STATUS_NOT_STARTED) {
+ goto out;
+ }
- GF_ASSERT (defrag);
+ gf_msg("", GF_LOG_INFO, 0, DHT_MSG_REBALANCE_STOPPED,
+ "Received stop command on rebalance");
+ defrag->defrag_status = status;
- if (defrag->defrag_status == GF_DEFRAG_STATUS_NOT_STARTED) {
- goto out;
- }
-
- gf_msg ("", GF_LOG_INFO, 0, DHT_MSG_REBALANCE_STOPPED,
- "Received stop command on rebalance");
- defrag->defrag_status = status;
-
- if (output)
- gf_defrag_status_get (conf, output);
- ret = 0;
+ if (output)
+ gf_defrag_status_get(conf, output);
+ ret = 0;
out:
- gf_msg_debug ("", 0, "Returning %d", ret);
- return ret;
+ gf_msg_debug("", 0, "Returning %d", ret);
+ return ret;
}
diff --git a/xlators/cluster/dht/src/dht-rename.c b/xlators/cluster/dht/src/dht-rename.c
index 62b72b7dc29..d9dbf50492f 100644
--- a/xlators/cluster/dht/src/dht-rename.c
+++ b/xlators/cluster/dht/src/dht-rename.c
@@ -11,489 +11,454 @@
/* TODO: link(oldpath, newpath) fails if newpath already exists. DHT should
* delete the newpath if it gets EEXISTS from link() call.
*/
-#include "glusterfs.h"
-#include "xlator.h"
#include "dht-common.h"
#include "dht-lock.h"
-#include "defaults.h"
+#include <glusterfs/defaults.h>
-int dht_rename_unlock (call_frame_t *frame, xlator_t *this);
+int
+dht_rename_unlock(call_frame_t *frame, xlator_t *this);
int32_t
-dht_rename_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata);
+dht_rename_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata);
int
-dht_rename_unlock_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xdata)
+dht_rename_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- dht_set_fixed_dir_stat (&local->preoldparent);
- dht_set_fixed_dir_stat (&local->postoldparent);
- dht_set_fixed_dir_stat (&local->preparent);
- dht_set_fixed_dir_stat (&local->postparent);
+ dht_set_fixed_dir_stat(&local->preoldparent);
+ dht_set_fixed_dir_stat(&local->postoldparent);
+ dht_set_fixed_dir_stat(&local->preparent);
+ dht_set_fixed_dir_stat(&local->postparent);
- if (IA_ISREG (local->stbuf.ia_type))
- DHT_STRIP_PHASE1_FLAGS (&local->stbuf);
+ if (IA_ISREG(local->stbuf.ia_type))
+ DHT_STRIP_PHASE1_FLAGS(&local->stbuf);
- DHT_STACK_UNWIND (rename, frame, local->op_ret, local->op_errno,
- &local->stbuf, &local->preoldparent,
- &local->postoldparent, &local->preparent,
- &local->postparent, local->xattr);
- return 0;
+ DHT_STACK_UNWIND(rename, frame, local->op_ret, local->op_errno,
+ &local->stbuf, &local->preoldparent, &local->postoldparent,
+ &local->preparent, &local->postparent, local->xattr);
+ return 0;
}
static void
-dht_rename_dir_unlock_src (call_frame_t *frame, xlator_t *this)
+dht_rename_dir_unlock_src(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
- dht_unlock_namespace (frame, &local->lock[0]);
- return;
+ local = frame->local;
+ dht_unlock_namespace(frame, &local->lock[0]);
+ return;
}
static void
-dht_rename_dir_unlock_dst (call_frame_t *frame, xlator_t *this)
+dht_rename_dir_unlock_dst(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
- int op_ret = -1;
- char src_gfid[GF_UUID_BUF_SIZE] = {0};
- char dst_gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
-
- /* Unlock entrylk */
- dht_unlock_entrylk_wrapper (frame, &local->lock[1].ns.directory_ns);
-
- /* Unlock inodelk */
- op_ret = dht_unlock_inodelk (frame,
- local->lock[1].ns.parent_layout.locks,
- local->lock[1].ns.parent_layout.lk_count,
- dht_rename_unlock_cbk);
- if (op_ret < 0) {
- uuid_utoa_r (local->loc.inode->gfid, src_gfid);
-
- if (local->loc2.inode)
- uuid_utoa_r (local->loc2.inode->gfid, dst_gfid);
-
- if (IA_ISREG (local->stbuf.ia_type))
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "winding unlock inodelk failed "
- "rename (%s:%s:%s %s:%s:%s), "
- "stale locks left on bricks",
- local->loc.path, src_gfid,
- local->src_cached->name,
- local->loc2.path, dst_gfid,
- local->dst_cached ?
- local->dst_cached->name : NULL);
- else
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "winding unlock inodelk failed "
- "rename (%s:%s %s:%s), "
- "stale locks left on bricks",
- local->loc.path, src_gfid,
- local->loc2.path, dst_gfid);
-
- dht_rename_unlock_cbk (frame, NULL, this, 0, 0, NULL);
- }
+ dht_local_t *local = NULL;
+ int op_ret = -1;
+ char src_gfid[GF_UUID_BUF_SIZE] = {0};
+ char dst_gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+
+ /* Unlock entrylk */
+ dht_unlock_entrylk_wrapper(frame, &local->lock[1].ns.directory_ns);
+
+ /* Unlock inodelk */
+ op_ret = dht_unlock_inodelk(frame, local->lock[1].ns.parent_layout.locks,
+ local->lock[1].ns.parent_layout.lk_count,
+ dht_rename_unlock_cbk);
+ if (op_ret < 0) {
+ uuid_utoa_r(local->loc.inode->gfid, src_gfid);
+
+ if (local->loc2.inode)
+ uuid_utoa_r(local->loc2.inode->gfid, dst_gfid);
+
+ if (IA_ISREG(local->stbuf.ia_type))
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_UNLOCKING_FAILED,
+ "winding unlock inodelk failed "
+ "rename (%s:%s:%s %s:%s:%s), "
+ "stale locks left on bricks",
+ local->loc.path, src_gfid, local->src_cached->name,
+ local->loc2.path, dst_gfid,
+ local->dst_cached ? local->dst_cached->name : NULL);
+ else
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_UNLOCKING_FAILED,
+ "winding unlock inodelk failed "
+ "rename (%s:%s %s:%s), "
+ "stale locks left on bricks",
+ local->loc.path, src_gfid, local->loc2.path, dst_gfid);
- return;
+ dht_rename_unlock_cbk(frame, NULL, this, 0, 0, NULL);
+ }
+
+ return;
}
static int
-dht_rename_dir_unlock (call_frame_t *frame, xlator_t *this)
+dht_rename_dir_unlock(call_frame_t *frame, xlator_t *this)
{
-
- dht_rename_dir_unlock_src (frame, this);
- dht_rename_dir_unlock_dst (frame, this);
- return 0;
+ dht_rename_dir_unlock_src(frame, this);
+ dht_rename_dir_unlock_dst(frame, this);
+ return 0;
}
int
-dht_rename_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *stbuf,
- struct iatt *preoldparent, struct iatt *postoldparent,
- struct iatt *prenewparent, struct iatt *postnewparent,
- dict_t *xdata)
+dht_rename_dir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *stbuf,
+ struct iatt *preoldparent, struct iatt *postoldparent,
+ struct iatt *prenewparent, struct iatt *postnewparent,
+ dict_t *xdata)
{
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- int i = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- int subvol_cnt = -1;
-
- conf = this->private;
- local = frame->local;
- prev = cookie;
- subvol_cnt = dht_subvol_cnt (this, prev);
- local->ret_cache[subvol_cnt] = op_ret;
-
- if (op_ret == -1) {
- gf_uuid_unparse(local->loc.inode->gfid, gfid);
-
- gf_msg (this->name, GF_LOG_INFO, op_errno,
- DHT_MSG_RENAME_FAILED,
- "Rename %s -> %s on %s failed, (gfid = %s)",
- local->loc.path, local->loc2.path,
- prev->name, gfid);
-
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- goto unwind;
- }
- /* TODO: construct proper stbuf for dir */
- /*
- * FIXME: is this the correct way to build stbuf and
- * parent bufs?
- */
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->preoldparent, preoldparent);
- dht_iatt_merge (this, &local->postoldparent, postoldparent);
- dht_iatt_merge (this, &local->preparent, prenewparent);
- dht_iatt_merge (this, &local->postparent, postnewparent);
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ int i = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ int subvol_cnt = -1;
+
+ conf = this->private;
+ local = frame->local;
+ prev = cookie;
+ subvol_cnt = dht_subvol_cnt(this, prev);
+ local->ret_cache[subvol_cnt] = op_ret;
+
+ if (op_ret == -1) {
+ gf_uuid_unparse(local->loc.inode->gfid, gfid);
+
+ gf_msg(this->name, GF_LOG_INFO, op_errno, DHT_MSG_RENAME_FAILED,
+ "Rename %s -> %s on %s failed, (gfid = %s)", local->loc.path,
+ local->loc2.path, prev->name, gfid);
+
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ goto unwind;
+ }
+ /* TODO: construct proper stbuf for dir */
+ /*
+ * FIXME: is this the correct way to build stbuf and
+ * parent bufs?
+ */
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->preoldparent, preoldparent);
+ dht_iatt_merge(this, &local->postoldparent, postoldparent);
+ dht_iatt_merge(this, &local->preparent, prenewparent);
+ dht_iatt_merge(this, &local->postparent, postnewparent);
unwind:
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt)) {
- /* We get here with local->call_cnt == 0. Which means
- * we are the only one executing this code, there is
- * no contention. Therefore it's safe to manipulate or
- * deref local->call_cnt directly (without locking).
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ /* We get here with local->call_cnt == 0. Which means
+ * we are the only one executing this code, there is
+ * no contention. Therefore it's safe to manipulate or
+ * deref local->call_cnt directly (without locking).
+ */
+ if (local->ret_cache[conf->subvolume_cnt] == 0) {
+ /* count errant subvols in last field of ret_cache */
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (local->ret_cache[i] != 0)
+ ++local->ret_cache[conf->subvolume_cnt];
+ }
+ if (local->ret_cache[conf->subvolume_cnt]) {
+ /* undoing the damage:
+ * for all subvolumes, where rename
+ * succeeded, we perform the reverse operation
*/
- if (local->ret_cache[conf->subvolume_cnt] == 0) {
- /* count errant subvols in last field of ret_cache */
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (local->ret_cache[i] != 0)
- ++local->ret_cache[conf->subvolume_cnt];
- }
- if (local->ret_cache[conf->subvolume_cnt]) {
- /* undoing the damage:
- * for all subvolumes, where rename
- * succeeded, we perform the reverse operation
- */
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (local->ret_cache[i] == 0)
- ++local->call_cnt;
- }
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (local->ret_cache[i])
- continue;
-
- STACK_WIND (frame,
- dht_rename_dir_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->rename,
- &local->loc2, &local->loc,
- NULL);
- }
-
- return 0;
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (local->ret_cache[i] == 0)
+ ++local->call_cnt;
}
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (local->ret_cache[i])
+ continue;
- WIPE (&local->preoldparent);
- WIPE (&local->postoldparent);
- WIPE (&local->preparent);
- WIPE (&local->postparent);
+ STACK_WIND(frame, dht_rename_dir_cbk, conf->subvolumes[i],
+ conf->subvolumes[i]->fops->rename, &local->loc2,
+ &local->loc, NULL);
+ }
- dht_rename_dir_unlock (frame, this);
+ return 0;
+ }
}
- return 0;
-}
+ WIPE(&local->preoldparent);
+ WIPE(&local->postoldparent);
+ WIPE(&local->preparent);
+ WIPE(&local->postparent);
+
+ dht_rename_dir_unlock(frame, this);
+ }
+ return 0;
+}
int
-dht_rename_hashed_dir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *stbuf,
- struct iatt *preoldparent,
- struct iatt *postoldparent,
- struct iatt *prenewparent,
- struct iatt *postnewparent, dict_t *xdata)
+dht_rename_hashed_dir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *stbuf,
+ struct iatt *preoldparent, struct iatt *postoldparent,
+ struct iatt *prenewparent, struct iatt *postnewparent,
+ dict_t *xdata)
{
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- int call_cnt = 0;
- xlator_t *prev = NULL;
- int i = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- conf = this->private;
- local = frame->local;
- prev = cookie;
-
-
- if (op_ret == -1) {
- gf_uuid_unparse(local->loc.inode->gfid, gfid);
-
- gf_msg (this->name, GF_LOG_INFO, op_errno,
- DHT_MSG_RENAME_FAILED,
- "rename %s -> %s on %s failed, (gfid = %s) ",
- local->loc.path, local->loc2.path,
- prev->name, gfid);
-
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- goto unwind;
- }
- /* TODO: construct proper stbuf for dir */
- /*
- * FIXME: is this the correct way to build stbuf and
- * parent bufs?
- */
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->preoldparent, preoldparent);
- dht_iatt_merge (this, &local->postoldparent, postoldparent);
- dht_iatt_merge (this, &local->preparent, prenewparent);
- dht_iatt_merge (this, &local->postparent, postnewparent);
-
- call_cnt = local->call_cnt = conf->subvolume_cnt - 1;
-
- if (!local->call_cnt)
- goto unwind;
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == local->dst_hashed)
- continue;
- STACK_WIND_COOKIE (frame, dht_rename_dir_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->rename,
- &local->loc, &local->loc2, NULL);
- if (!--call_cnt)
- break;
- }
-
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ int call_cnt = 0;
+ xlator_t *prev = NULL;
+ int i = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ conf = this->private;
+ local = frame->local;
+ prev = cookie;
+
+ if (op_ret == -1) {
+ gf_uuid_unparse(local->loc.inode->gfid, gfid);
- return 0;
+ gf_msg(this->name, GF_LOG_INFO, op_errno, DHT_MSG_RENAME_FAILED,
+ "rename %s -> %s on %s failed, (gfid = %s) ", local->loc.path,
+ local->loc2.path, prev->name, gfid);
+
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ goto unwind;
+ }
+ /* TODO: construct proper stbuf for dir */
+ /*
+ * FIXME: is this the correct way to build stbuf and
+ * parent bufs?
+ */
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->preoldparent, preoldparent);
+ dht_iatt_merge(this, &local->postoldparent, postoldparent);
+ dht_iatt_merge(this, &local->preparent, prenewparent);
+ dht_iatt_merge(this, &local->postparent, postnewparent);
+
+ call_cnt = local->call_cnt = conf->subvolume_cnt - 1;
+
+ if (!local->call_cnt)
+ goto unwind;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == local->dst_hashed)
+ continue;
+ STACK_WIND_COOKIE(
+ frame, dht_rename_dir_cbk, conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->rename, &local->loc, &local->loc2, NULL);
+ if (!--call_cnt)
+ break;
+ }
+
+ return 0;
unwind:
- WIPE (&local->preoldparent);
- WIPE (&local->postoldparent);
- WIPE (&local->preparent);
- WIPE (&local->postparent);
+ WIPE(&local->preoldparent);
+ WIPE(&local->postoldparent);
+ WIPE(&local->preparent);
+ WIPE(&local->postparent);
- dht_rename_dir_unlock (frame, this);
- return 0;
+ dht_rename_dir_unlock(frame, this);
+ return 0;
}
-
int
-dht_rename_dir_do (call_frame_t *frame, xlator_t *this)
+dht_rename_dir_do(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (local->op_ret == -1)
- goto err;
+ if (local->op_ret == -1)
+ goto err;
- local->op_ret = 0;
+ local->op_ret = 0;
- STACK_WIND_COOKIE (frame, dht_rename_hashed_dir_cbk, local->dst_hashed,
- local->dst_hashed,
- local->dst_hashed->fops->rename,
- &local->loc, &local->loc2, NULL);
- return 0;
+ STACK_WIND_COOKIE(frame, dht_rename_hashed_dir_cbk, local->dst_hashed,
+ local->dst_hashed, local->dst_hashed->fops->rename,
+ &local->loc, &local->loc2, NULL);
+ return 0;
err:
- dht_rename_dir_unlock (frame, this);
- return 0;
+ dht_rename_dir_unlock(frame, this);
+ return 0;
}
-
int
-dht_rename_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, gf_dirent_t *entries,
- dict_t *xdata)
+dht_rename_readdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *entries,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = -1;
- xlator_t *prev = NULL;
-
- local = frame->local;
- prev = cookie;
-
- if (op_ret > 2) {
- gf_msg_trace (this->name, 0,
- "readdir on %s for %s returned %d entries",
- prev->name, local->loc.path, op_ret);
- local->op_ret = -1;
- local->op_errno = ENOTEMPTY;
- }
+ dht_local_t *local = NULL;
+ int this_call_cnt = -1;
+ xlator_t *prev = NULL;
- this_call_cnt = dht_frame_return (frame);
+ local = frame->local;
+ prev = cookie;
- if (is_last_call (this_call_cnt)) {
- dht_rename_dir_do (frame, this);
- }
+ if (op_ret > 2) {
+ gf_msg_trace(this->name, 0, "readdir on %s for %s returned %d entries",
+ prev->name, local->loc.path, op_ret);
+ local->op_ret = -1;
+ local->op_errno = ENOTEMPTY;
+ }
- return 0;
-}
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ dht_rename_dir_do(frame, this);
+ }
+
+ return 0;
+}
int
-dht_rename_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, fd_t *fd, dict_t *xdata)
+dht_rename_opendir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, fd_t *fd, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = -1;
- xlator_t *prev = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_local_t *local = NULL;
+ int this_call_cnt = -1;
+ xlator_t *prev = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- local = frame->local;
- prev = cookie;
+ local = frame->local;
+ prev = cookie;
+ if (op_ret == -1) {
+ gf_uuid_unparse(local->loc.inode->gfid, gfid);
+ gf_msg(this->name, GF_LOG_INFO, op_errno, DHT_MSG_OPENDIR_FAILED,
+ "opendir on %s for %s failed,(gfid = %s) ", prev->name,
+ local->loc.path, gfid);
+ goto err;
+ }
- if (op_ret == -1) {
-
- gf_uuid_unparse(local->loc.inode->gfid, gfid);
- gf_msg (this->name, GF_LOG_INFO, op_errno,
- DHT_MSG_OPENDIR_FAILED,
- "opendir on %s for %s failed,(gfid = %s) ",
- prev->name, local->loc.path, gfid);
- goto err;
- }
-
- fd_bind (fd);
- STACK_WIND_COOKIE (frame, dht_rename_readdir_cbk, prev, prev,
- prev->fops->readdir, local->fd, 4096, 0, NULL);
+ fd_bind(fd);
+ STACK_WIND_COOKIE(frame, dht_rename_readdir_cbk, prev, prev,
+ prev->fops->readdir, local->fd, 4096, 0, NULL);
- return 0;
+ return 0;
err:
- this_call_cnt = dht_frame_return (frame);
+ this_call_cnt = dht_frame_return(frame);
- if (is_last_call (this_call_cnt)) {
- dht_rename_dir_do (frame, this);
- }
+ if (is_last_call(this_call_cnt)) {
+ dht_rename_dir_do(frame, this);
+ }
- return 0;
+ return 0;
}
int
-dht_rename_dir_lock2_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+dht_rename_dir_lock2_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char src_gfid[GF_UUID_BUF_SIZE] = {0};
- char dst_gfid[GF_UUID_BUF_SIZE] = {0};
- dht_conf_t *conf = NULL;
- int i = 0;
-
- local = frame->local;
- conf = this->private;
-
- if (op_ret < 0) {
- uuid_utoa_r (local->loc.inode->gfid, src_gfid);
-
- if (local->loc2.inode)
- uuid_utoa_r (local->loc2.inode->gfid, dst_gfid);
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_INODE_LK_ERROR,
- "acquiring entrylk after inodelk failed"
- "rename (%s:%s:%s %s:%s:%s)",
- local->loc.path, src_gfid, local->src_cached->name,
- local->loc2.path, dst_gfid,
- local->dst_cached ? local->dst_cached->name : NULL);
-
- local->op_ret = -1;
- local->op_errno = op_errno;
- goto err;
- }
-
- local->fd = fd_create (local->loc.inode, frame->root->pid);
- if (!local->fd) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->op_ret = 0;
-
- if (!local->dst_cached) {
- dht_rename_dir_do (frame, this);
- return 0;
- }
+ dht_local_t *local = NULL;
+ char src_gfid[GF_UUID_BUF_SIZE] = {0};
+ char dst_gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_conf_t *conf = NULL;
+ int i = 0;
+
+ local = frame->local;
+ conf = this->private;
+
+ if (op_ret < 0) {
+ uuid_utoa_r(local->loc.inode->gfid, src_gfid);
+
+ if (local->loc2.inode)
+ uuid_utoa_r(local->loc2.inode->gfid, dst_gfid);
+
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_INODE_LK_ERROR,
+ "acquiring entrylk after inodelk failed"
+ "rename (%s:%s:%s %s:%s:%s)",
+ local->loc.path, src_gfid, local->src_cached->name,
+ local->loc2.path, dst_gfid,
+ local->dst_cached ? local->dst_cached->name : NULL);
+
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ goto err;
+ }
+
+ local->fd = fd_create(local->loc.inode, frame->root->pid);
+ if (!local->fd) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->op_ret = 0;
+
+ if (!local->dst_cached) {
+ dht_rename_dir_do(frame, this);
+ return 0;
+ }
- for (i = 0; i < conf->subvolume_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_rename_opendir_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->opendir,
- &local->loc2, local->fd, NULL);
- }
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_rename_opendir_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->opendir, &local->loc2,
+ local->fd, NULL);
+ }
- return 0;
+ return 0;
err:
- /* No harm in calling an extra unlock */
- dht_rename_dir_unlock (frame, this);
- return 0;
+ /* No harm in calling an extra unlock */
+ dht_rename_dir_unlock(frame, this);
+ return 0;
}
int
-dht_rename_dir_lock1_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_rename_dir_lock1_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char src_gfid[GF_UUID_BUF_SIZE] = {0};
- char dst_gfid[GF_UUID_BUF_SIZE] = {0};
- int ret = 0;
- loc_t *loc = NULL;
- xlator_t *subvol = NULL;
-
- local = frame->local;
-
- if (op_ret < 0) {
- uuid_utoa_r (local->loc.inode->gfid, src_gfid);
-
- if (local->loc2.inode)
- uuid_utoa_r (local->loc2.inode->gfid, dst_gfid);
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_INODE_LK_ERROR,
- "acquiring entrylk after inodelk failed"
- "rename (%s:%s:%s %s:%s:%s)",
- local->loc.path, src_gfid, local->src_cached->name,
- local->loc2.path, dst_gfid,
- local->dst_cached ? local->dst_cached->name : NULL);
-
- local->op_ret = -1;
- local->op_errno = op_errno;
- goto err;
- }
-
- if (local->current == &local->lock[0]) {
- loc = &local->loc2;
- subvol = local->dst_hashed;
- local->current = &local->lock[1];
- } else {
- loc = &local->loc;
- subvol = local->src_hashed;
- local->current = &local->lock[0];
- }
- ret = dht_protect_namespace (frame, loc, subvol, &local->current->ns,
- dht_rename_dir_lock2_cbk);
- if (ret < 0) {
- op_errno = EINVAL;
- goto err;
- }
-
- return 0;
+ dht_local_t *local = NULL;
+ char src_gfid[GF_UUID_BUF_SIZE] = {0};
+ char dst_gfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = 0;
+ loc_t *loc = NULL;
+ xlator_t *subvol = NULL;
+
+ local = frame->local;
+
+ if (op_ret < 0) {
+ uuid_utoa_r(local->loc.inode->gfid, src_gfid);
+
+ if (local->loc2.inode)
+ uuid_utoa_r(local->loc2.inode->gfid, dst_gfid);
+
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_INODE_LK_ERROR,
+ "acquiring entrylk after inodelk failed"
+ "rename (%s:%s:%s %s:%s:%s)",
+ local->loc.path, src_gfid, local->src_cached->name,
+ local->loc2.path, dst_gfid,
+ local->dst_cached ? local->dst_cached->name : NULL);
+
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ goto err;
+ }
+
+ if (local->current == &local->lock[0]) {
+ loc = &local->loc2;
+ subvol = local->dst_hashed;
+ local->current = &local->lock[1];
+ } else {
+ loc = &local->loc;
+ subvol = local->src_hashed;
+ local->current = &local->lock[0];
+ }
+ ret = dht_protect_namespace(frame, loc, subvol, &local->current->ns,
+ dht_rename_dir_lock2_cbk);
+ if (ret < 0) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ return 0;
err:
- /* No harm in calling an extra unlock */
- dht_rename_dir_unlock (frame, this);
- return 0;
+ /* No harm in calling an extra unlock */
+ dht_rename_dir_unlock(frame, this);
+ return 0;
}
-
/*
* If the hashed subvolumes of both source and dst are the different,
* lock in dictionary order of hashed subvol->name. This is important
@@ -505,1557 +470,1528 @@ err:
* dirs are the same.
*
*/
-static void
-dht_order_rename_lock (call_frame_t *frame, loc_t **loc, xlator_t **subvol)
+static int
+dht_order_rename_lock(call_frame_t *frame, loc_t **loc, xlator_t **subvol)
{
- int ret = 0;
- dht_local_t *local = NULL;
- char src[GF_UUID_BNAME_BUF_SIZE] = {0};
- char dst[GF_UUID_BNAME_BUF_SIZE] = {0};
-
+ int ret = 0;
+ int op_ret = 0;
+ dht_local_t *local = NULL;
+ char *src = NULL;
+ char *dst = NULL;
+
+ local = frame->local;
+
+ if (local->src_hashed->name == local->dst_hashed->name) {
+ ret = 0;
+ } else {
+ ret = strcmp(local->src_hashed->name, local->dst_hashed->name);
+ }
+
+ if (ret == 0) {
+ /* hashed subvols are the same for src and dst */
+ /* Entrylks need to be ordered*/
+
+ src = alloca(GF_UUID_BNAME_BUF_SIZE + strlen(local->loc.name) + 1);
+ if (!src) {
+ gf_msg(frame->this->name, GF_LOG_ERROR, ENOMEM, 0,
+ "Insufficient memory for src");
+ op_ret = -1;
+ goto out;
+ }
+
+ if (!gf_uuid_is_null(local->loc.pargfid))
+ uuid_utoa_r(local->loc.pargfid, src);
+ else if (local->loc.parent)
+ uuid_utoa_r(local->loc.parent->gfid, src);
+ else
+ src[0] = '\0';
- local = frame->local;
+ strcat(src, local->loc.name);
- if (local->src_hashed->name == local->dst_hashed->name) {
- ret = 0;
- } else {
- ret = strcmp (local->src_hashed->name, local->dst_hashed->name);
+ dst = alloca(GF_UUID_BNAME_BUF_SIZE + strlen(local->loc2.name) + 1);
+ if (!dst) {
+ gf_msg(frame->this->name, GF_LOG_ERROR, ENOMEM, 0,
+ "Insufficient memory for dst");
+ op_ret = -1;
+ goto out;
}
- if (ret == 0) {
-
- /* hashed subvols are the same for src and dst */
- /* Entrylks need to be ordered*/
- if (local->loc.pargfid)
- uuid_utoa_r (local->loc.pargfid, src);
- else if (local->loc.parent)
- uuid_utoa_r (local->loc.parent->gfid, src);
-
- strcat (src, local->loc.name);
+ if (!gf_uuid_is_null(local->loc2.pargfid))
+ uuid_utoa_r(local->loc2.pargfid, dst);
+ else if (local->loc2.parent)
+ uuid_utoa_r(local->loc2.parent->gfid, dst);
+ else
+ dst[0] = '\0';
- if (local->loc2.pargfid)
- uuid_utoa_r (local->loc2.pargfid, dst);
- else if (local->loc2.parent)
- uuid_utoa_r (local->loc2.parent->gfid, dst);
+ strcat(dst, local->loc2.name);
+ ret = strcmp(src, dst);
+ }
- strcat (dst, local->loc2.name);
- ret = strcmp (src, dst);
- }
+ if (ret <= 0) {
+ /*inodelk in dictionary order of hashed subvol names*/
+ /*entrylk in dictionary order of gfid/basename */
+ local->current = &local->lock[0];
+ *loc = &local->loc;
+ *subvol = local->src_hashed;
- if (ret <= 0) {
- /*inodelk in dictionary order of hashed subvol names*/
- /*entrylk in dictionary order of gfid/basename */
- local->current = &local->lock[0];
- *loc = &local->loc;
- *subvol = local->src_hashed;
+ } else {
+ local->current = &local->lock[1];
+ *loc = &local->loc2;
+ *subvol = local->dst_hashed;
+ }
- } else {
- local->current = &local->lock[1];
- *loc = &local->loc2;
- *subvol = local->dst_hashed;
- }
+ op_ret = 0;
- return;
+out:
+ return op_ret;
}
int
-dht_rename_dir (call_frame_t *frame, xlator_t *this)
+dht_rename_dir(call_frame_t *frame, xlator_t *this)
{
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- loc_t *loc = NULL;
- xlator_t *subvol = NULL;
- int i = 0;
- int ret = 0;
- int op_errno = -1;
-
- conf = frame->this->private;
- local = frame->local;
-
- local->ret_cache = GF_CALLOC (conf->subvolume_cnt + 1, sizeof (int),
- gf_dht_ret_cache_t);
-
- if (local->ret_cache == NULL) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->call_cnt = conf->subvolume_cnt;
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (!conf->subvolume_status[i]) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_RENAME_FAILED,
- "Rename dir failed: subvolume down (%s)",
- conf->subvolumes[i]->name);
- op_errno = ENOTCONN;
- goto err;
- }
- }
-
-
- /* Locks on src and dst needs to ordered which otherwise might cause
- * deadlocks when rename (src, dst) and rename (dst, src) is done from
- * two different clients
- */
- dht_order_rename_lock (frame, &loc, &subvol);
-
- /* Rename must take locks on src to avoid lookup selfheal from
- * recreating src on those subvols where the rename was successful.
- * The locks can't be issued parallel as two different clients might
- * attempt same rename command and be in dead lock.
- */
- ret = dht_protect_namespace (frame, loc, subvol,
- &local->current->ns,
- dht_rename_dir_lock1_cbk);
- if (ret < 0) {
- op_errno = EINVAL;
- goto err;
- }
-
- return 0;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ loc_t *loc = NULL;
+ xlator_t *subvol = NULL;
+ int i = 0;
+ int ret = 0;
+ int op_errno = -1;
+
+ conf = frame->this->private;
+ local = frame->local;
+
+ local->ret_cache = GF_CALLOC(conf->subvolume_cnt + 1, sizeof(int),
+ gf_dht_ret_cache_t);
+
+ if (local->ret_cache == NULL) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->call_cnt = conf->subvolume_cnt;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (!conf->subvolume_status[i]) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_RENAME_FAILED,
+ "Rename dir failed: subvolume down (%s)",
+ conf->subvolumes[i]->name);
+ op_errno = ENOTCONN;
+ goto err;
+ }
+ }
+
+ /* Locks on src and dst needs to ordered which otherwise might cause
+ * deadlocks when rename (src, dst) and rename (dst, src) is done from
+ * two different clients
+ */
+ ret = dht_order_rename_lock(frame, &loc, &subvol);
+ if (ret) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ /* Rename must take locks on src to avoid lookup selfheal from
+ * recreating src on those subvols where the rename was successful.
+ * The locks can't be issued parallel as two different clients might
+ * attempt same rename command and be in dead lock.
+ */
+ ret = dht_protect_namespace(frame, loc, subvol, &local->current->ns,
+ dht_rename_dir_lock1_cbk);
+ if (ret < 0) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (rename, frame, -1, op_errno, NULL, NULL, NULL, NULL,
- NULL, NULL);
- return 0;
+ DHT_STACK_UNWIND(rename, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL,
+ NULL);
+ return 0;
}
static int
-dht_rename_track_for_changelog (xlator_t *this, dict_t *xattr,
- loc_t *oldloc, loc_t *newloc)
+dht_rename_track_for_changelog(xlator_t *this, dict_t *xattr, loc_t *oldloc,
+ loc_t *newloc)
{
- int ret = -1;
- dht_changelog_rename_info_t *info = NULL;
- char *name = NULL;
- int len1 = 0;
- int len2 = 0;
- int size = 0;
-
- if (!xattr || !oldloc || !newloc || !this)
- return ret;
-
- len1 = strlen (oldloc->name) + 1;
- len2 = strlen (newloc->name) + 1;
- size = sizeof (dht_changelog_rename_info_t) + len1 + len2;
-
- info = GF_CALLOC (size, sizeof(char), gf_common_mt_char);
- if (!info) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to calloc memory");
- return ret;
- }
+ int ret = -1;
+ dht_changelog_rename_info_t *info = NULL;
+ char *name = NULL;
+ int len1 = 0;
+ int len2 = 0;
+ int size = 0;
+
+ if (!xattr || !oldloc || !newloc || !this)
+ return ret;
- gf_uuid_copy (info->old_pargfid, oldloc->pargfid);
- gf_uuid_copy (info->new_pargfid, newloc->pargfid);
-
- info->oldname_len = len1;
- info->newname_len = len2;
- strncpy (info->buffer, oldloc->name, len1);
- name = info->buffer + len1;
- strncpy (name, newloc->name, len2);
-
- ret = dict_set_bin (xattr, DHT_CHANGELOG_RENAME_OP_KEY,
- info, size);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value: key = %s,"
- " path = %s", DHT_CHANGELOG_RENAME_OP_KEY,
- oldloc->name);
- GF_FREE (info);
- }
+ len1 = strlen(oldloc->name) + 1;
+ len2 = strlen(newloc->name) + 1;
+ size = sizeof(dht_changelog_rename_info_t) + len1 + len2;
+ info = GF_CALLOC(size, sizeof(char), gf_common_mt_char);
+ if (!info) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to calloc memory");
return ret;
+ }
+
+ gf_uuid_copy(info->old_pargfid, oldloc->pargfid);
+ gf_uuid_copy(info->new_pargfid, newloc->pargfid);
+
+ info->oldname_len = len1;
+ info->newname_len = len2;
+ strncpy(info->buffer, oldloc->name, len1);
+ name = info->buffer + len1;
+ strncpy(name, newloc->name, len2);
+
+ ret = dict_set_bin(xattr, DHT_CHANGELOG_RENAME_OP_KEY, info, size);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set dictionary value: key = %s,"
+ " path = %s",
+ DHT_CHANGELOG_RENAME_OP_KEY, oldloc->name);
+ GF_FREE(info);
+ }
+
+ return ret;
}
-
-
-#define DHT_MARKER_DONT_ACCOUNT(xattr) do { \
- int tmp = -1; \
- if (!xattr) { \
- xattr = dict_new (); \
- if (!xattr) \
- break; \
- } \
- tmp = dict_set_str (xattr, GLUSTERFS_MARKER_DONT_ACCOUNT_KEY, \
- "yes"); \
- if (tmp) { \
- gf_msg (this->name, GF_LOG_ERROR, 0, \
- DHT_MSG_DICT_SET_FAILED, \
- "Failed to set dictionary value: key = %s," \
- " path = %s",GLUSTERFS_MARKER_DONT_ACCOUNT_KEY, \
- local->loc.path); \
- } \
- }while (0)
-
-
-#define DHT_CHANGELOG_TRACK_AS_RENAME(xattr, oldloc, newloc) do { \
- int tmp = -1; \
- if (!xattr) { \
- xattr = dict_new (); \
- if (!xattr) { \
- gf_msg (this->name, GF_LOG_ERROR, 0, \
- DHT_MSG_DICT_SET_FAILED, \
- "Failed to create dictionary to " \
- "track rename"); \
- break; \
- } \
- } \
- \
- tmp = dht_rename_track_for_changelog (this, xattr, \
- oldloc, newloc); \
- \
- if (tmp) { \
- gf_msg (this->name, GF_LOG_ERROR, 0, \
- DHT_MSG_DICT_SET_FAILED, \
- "Failed to set dictionary value: key = %s," \
- " path = %s", DHT_CHANGELOG_RENAME_OP_KEY, \
- (oldloc)->path); \
- } \
- } while (0)
-
+#define DHT_MARKER_DONT_ACCOUNT(xattr) \
+ do { \
+ int tmp = -1; \
+ if (!xattr) { \
+ xattr = dict_new(); \
+ if (!xattr) \
+ break; \
+ } \
+ tmp = dict_set_str(xattr, GLUSTERFS_MARKER_DONT_ACCOUNT_KEY, "yes"); \
+ if (tmp) { \
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED, \
+ "Failed to set dictionary value: key = %s," \
+ " path = %s", \
+ GLUSTERFS_MARKER_DONT_ACCOUNT_KEY, local->loc.path); \
+ } \
+ } while (0)
+
+#define DHT_CHANGELOG_TRACK_AS_RENAME(xattr, oldloc, newloc) \
+ do { \
+ int tmp = -1; \
+ if (!xattr) { \
+ xattr = dict_new(); \
+ if (!xattr) { \
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED, \
+ "Failed to create dictionary to " \
+ "track rename"); \
+ break; \
+ } \
+ } \
+ \
+ tmp = dht_rename_track_for_changelog(this, xattr, oldloc, newloc); \
+ \
+ if (tmp) { \
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED, \
+ "Failed to set dictionary value: key = %s," \
+ " path = %s", \
+ DHT_CHANGELOG_RENAME_OP_KEY, (oldloc)->path); \
+ } \
+ } while (0)
int
-dht_rename_unlock (call_frame_t *frame, xlator_t *this)
+dht_rename_unlock(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
- int op_ret = -1;
- char src_gfid[GF_UUID_BUF_SIZE] = {0};
- char dst_gfid[GF_UUID_BUF_SIZE] = {0};
- dht_ilock_wrap_t inodelk_wrapper = {0, };
-
- local = frame->local;
- inodelk_wrapper.locks = local->rename_inodelk_backward_compatible;
- inodelk_wrapper.lk_count = local->rename_inodelk_bc_count;
-
- op_ret = dht_unlock_inodelk_wrapper (frame, &inodelk_wrapper);
- if (op_ret < 0) {
- uuid_utoa_r (local->loc.inode->gfid, src_gfid);
-
- if (local->loc2.inode)
- uuid_utoa_r (local->loc2.inode->gfid, dst_gfid);
-
- if (IA_ISREG (local->stbuf.ia_type))
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "winding unlock inodelk failed "
- "rename (%s:%s:%s %s:%s:%s), "
- "stale locks left on bricks",
- local->loc.path, src_gfid,
- local->src_cached->name,
- local->loc2.path, dst_gfid,
- local->dst_cached ?
- local->dst_cached->name : NULL);
- else
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_UNLOCKING_FAILED,
- "winding unlock inodelk failed "
- "rename (%s:%s %s:%s), "
- "stale locks left on bricks",
- local->loc.path, src_gfid,
- local->loc2.path, dst_gfid);
- }
-
- dht_unlock_namespace (frame, &local->lock[0]);
- dht_unlock_namespace (frame, &local->lock[1]);
-
- dht_rename_unlock_cbk (frame, NULL, this, local->op_ret,
- local->op_errno, NULL);
- return 0;
+ dht_local_t *local = NULL;
+ int op_ret = -1;
+ char src_gfid[GF_UUID_BUF_SIZE] = {0};
+ char dst_gfid[GF_UUID_BUF_SIZE] = {0};
+ dht_ilock_wrap_t inodelk_wrapper = {
+ 0,
+ };
+
+ local = frame->local;
+ inodelk_wrapper.locks = local->rename_inodelk_backward_compatible;
+ inodelk_wrapper.lk_count = local->rename_inodelk_bc_count;
+
+ op_ret = dht_unlock_inodelk_wrapper(frame, &inodelk_wrapper);
+ if (op_ret < 0) {
+ uuid_utoa_r(local->loc.inode->gfid, src_gfid);
+
+ if (local->loc2.inode)
+ uuid_utoa_r(local->loc2.inode->gfid, dst_gfid);
+
+ if (IA_ISREG(local->stbuf.ia_type))
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_UNLOCKING_FAILED,
+ "winding unlock inodelk failed "
+ "rename (%s:%s:%s %s:%s:%s), "
+ "stale locks left on bricks",
+ local->loc.path, src_gfid, local->src_cached->name,
+ local->loc2.path, dst_gfid,
+ local->dst_cached ? local->dst_cached->name : NULL);
+ else
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_UNLOCKING_FAILED,
+ "winding unlock inodelk failed "
+ "rename (%s:%s %s:%s), "
+ "stale locks left on bricks",
+ local->loc.path, src_gfid, local->loc2.path, dst_gfid);
+ }
+
+ dht_unlock_namespace(frame, &local->lock[0]);
+ dht_unlock_namespace(frame, &local->lock[1]);
+
+ dht_rename_unlock_cbk(frame, NULL, this, local->op_ret, local->op_errno,
+ NULL);
+ return 0;
}
int
-dht_rename_done (call_frame_t *frame, xlator_t *this)
+dht_rename_done(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (local->linked == _gf_true) {
- local->linked = _gf_false;
- dht_linkfile_attr_heal (frame, this);
- }
+ if (local->linked == _gf_true) {
+ local->linked = _gf_false;
+ dht_linkfile_attr_heal(frame, this);
+ }
- dht_rename_unlock (frame, this);
- return 0;
+ dht_rename_unlock(frame, this);
+ return 0;
}
int
-dht_rename_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *preparent,
- struct iatt *postparent, dict_t *xdata)
+dht_rename_unlink_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- int this_call_cnt = 0;
-
- local = frame->local;
- prev = cookie;
-
- FRAME_SU_UNDO (frame, dht_local_t);
- if (!local) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_INVALID_VALUE,
- "!local, should not happen");
- goto out;
- }
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ int this_call_cnt = 0;
- this_call_cnt = dht_frame_return (frame);
+ local = frame->local;
+ prev = cookie;
- if (op_ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_UNLINK_FAILED,
- "%s: Rename: unlink on %s failed ",
- local->loc.path, prev->name);
- }
+ FRAME_SU_UNDO(frame, dht_local_t);
+ if (!local) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_INVALID_VALUE,
+ "!local, should not happen");
+ goto out;
+ }
- WIPE (&local->preoldparent);
- WIPE (&local->postoldparent);
- WIPE (&local->preparent);
- WIPE (&local->postparent);
+ this_call_cnt = dht_frame_return(frame);
- if (is_last_call (this_call_cnt)) {
- dht_rename_done (frame, this);
- }
+ if (op_ret == -1) {
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_UNLINK_FAILED,
+ "%s: Rename: unlink on %s failed ", local->loc.path, prev->name);
+ }
+
+ WIPE(&local->preoldparent);
+ WIPE(&local->postoldparent);
+ WIPE(&local->preparent);
+ WIPE(&local->postparent);
+
+ if (is_last_call(this_call_cnt)) {
+ dht_rename_done(frame, this);
+ }
out:
- return 0;
+ return 0;
}
-
int
-dht_rename_cleanup (call_frame_t *frame)
+dht_rename_cleanup(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- xlator_t *src_hashed = NULL;
- xlator_t *src_cached = NULL;
- xlator_t *dst_hashed = NULL;
- xlator_t *dst_cached = NULL;
- int call_cnt = 0;
- dict_t *xattr = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- this = frame->this;
-
- src_hashed = local->src_hashed;
- src_cached = local->src_cached;
- dst_hashed = local->dst_hashed;
- dst_cached = local->dst_cached;
-
- if (src_cached == dst_cached)
- goto nolinks;
-
- if (local->linked && (dst_hashed != src_hashed )&&
- (dst_hashed != src_cached)) {
- call_cnt++;
- }
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ xlator_t *src_hashed = NULL;
+ xlator_t *src_cached = NULL;
+ xlator_t *dst_hashed = NULL;
+ xlator_t *dst_cached = NULL;
+ int call_cnt = 0;
+ dict_t *xattr = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- if (local->added_link && (src_cached != dst_hashed)) {
- call_cnt++;
- }
+ local = frame->local;
+ this = frame->this;
- local->call_cnt = call_cnt;
+ src_hashed = local->src_hashed;
+ src_cached = local->src_cached;
+ dst_hashed = local->dst_hashed;
+ dst_cached = local->dst_cached;
- if (!call_cnt)
- goto nolinks;
+ if (src_cached == dst_cached)
+ goto nolinks;
- DHT_MARK_FOP_INTERNAL (xattr);
+ if (local->linked && (dst_hashed != src_hashed) &&
+ (dst_hashed != src_cached)) {
+ call_cnt++;
+ }
- gf_uuid_unparse(local->loc.inode->gfid, gfid);
+ if (local->added_link && (src_cached != dst_hashed)) {
+ call_cnt++;
+ }
- if (local->linked && (dst_hashed != src_hashed) &&
- (dst_hashed != src_cached)) {
- dict_t *xattr_new = NULL;
+ local->call_cnt = call_cnt;
- gf_msg_trace (this->name, 0,
- "unlinking linkfile %s @ %s => %s, (gfid = %s)",
- local->loc.path, dst_hashed->name,
- src_cached->name, gfid);
+ if (!call_cnt)
+ goto nolinks;
- xattr_new = dict_copy_with_ref (xattr, NULL);
+ DHT_MARK_FOP_INTERNAL(xattr);
+ gf_uuid_unparse(local->loc.inode->gfid, gfid);
- DHT_MARKER_DONT_ACCOUNT(xattr_new);
+ if (local->linked && (dst_hashed != src_hashed) &&
+ (dst_hashed != src_cached)) {
+ dict_t *xattr_new = NULL;
- FRAME_SU_DO (frame, dht_local_t);
- STACK_WIND_COOKIE (frame, dht_rename_unlink_cbk, dst_hashed,
- dst_hashed, dst_hashed->fops->unlink,
- &local->loc, 0, xattr_new);
+ gf_msg_trace(this->name, 0,
+ "unlinking linkfile %s @ %s => %s, (gfid = %s)",
+ local->loc.path, dst_hashed->name, src_cached->name, gfid);
- dict_unref (xattr_new);
- xattr_new = NULL;
- }
+ xattr_new = dict_copy_with_ref(xattr, NULL);
- if (local->added_link && (src_cached != dst_hashed)) {
- dict_t *xattr_new = NULL;
+ DHT_MARKER_DONT_ACCOUNT(xattr_new);
- gf_msg_trace (this->name, 0,
- "unlinking link %s => %s (%s), (gfid = %s)",
- local->loc.path, local->loc2.path,
- src_cached->name, gfid);
+ FRAME_SU_DO(frame, dht_local_t);
+ STACK_WIND_COOKIE(frame, dht_rename_unlink_cbk, dst_hashed, dst_hashed,
+ dst_hashed->fops->unlink, &local->loc, 0, xattr_new);
- xattr_new = dict_copy_with_ref (xattr, NULL);
+ dict_unref(xattr_new);
+ xattr_new = NULL;
+ }
- if (gf_uuid_compare (local->loc.pargfid,
- local->loc2.pargfid) == 0) {
- DHT_MARKER_DONT_ACCOUNT(xattr_new);
- }
- /* *
- * The link to file is created using root permission.
- * Hence deletion should happen using root. Otherwise
- * it will fail.
- */
- FRAME_SU_DO (frame, dht_local_t);
- STACK_WIND_COOKIE (frame, dht_rename_unlink_cbk, src_cached,
- src_cached, src_cached->fops->unlink,
- &local->loc2, 0, xattr_new);
+ if (local->added_link && (src_cached != dst_hashed)) {
+ dict_t *xattr_new = NULL;
- dict_unref (xattr_new);
- xattr_new = NULL;
- }
-
- if (xattr)
- dict_unref (xattr);
-
- return 0;
-
-nolinks:
- WIPE (&local->preoldparent);
- WIPE (&local->postoldparent);
- WIPE (&local->preparent);
- WIPE (&local->postparent);
+ gf_msg_trace(this->name, 0, "unlinking link %s => %s (%s), (gfid = %s)",
+ local->loc.path, local->loc2.path, src_cached->name, gfid);
- dht_rename_unlock (frame, this);
- return 0;
-}
+ xattr_new = dict_copy_with_ref(xattr, NULL);
+ if (gf_uuid_compare(local->loc.pargfid, local->loc2.pargfid) == 0) {
+ DHT_MARKER_DONT_ACCOUNT(xattr_new);
+ }
+ /* *
+ * The link to file is created using root permission.
+ * Hence deletion should happen using root. Otherwise
+ * it will fail.
+ */
+ FRAME_SU_DO(frame, dht_local_t);
+ STACK_WIND_COOKIE(frame, dht_rename_unlink_cbk, src_cached, src_cached,
+ src_cached->fops->unlink, &local->loc2, 0, xattr_new);
-int
-dht_rename_links_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
-{
- xlator_t *prev = NULL;
- dht_local_t *local = NULL;
+ dict_unref(xattr_new);
+ xattr_new = NULL;
+ }
- prev = cookie;
- local = frame->local;
+ if (xattr)
+ dict_unref(xattr);
- if (op_ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_CREATE_LINK_FAILED,
- "link/file %s on %s failed",
- local->loc.path, prev->name);
- }
+ return 0;
- if (local->linked == _gf_true) {
- local->linked = _gf_false;
- dht_linkfile_attr_heal (frame, this);
- }
- DHT_STACK_DESTROY (frame);
+nolinks:
+ WIPE(&local->preoldparent);
+ WIPE(&local->postoldparent);
+ WIPE(&local->preparent);
+ WIPE(&local->postparent);
- return 0;
+ dht_rename_unlock(frame, this);
+ return 0;
}
-
int
-dht_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *stbuf,
- struct iatt *preoldparent, struct iatt *postoldparent,
- struct iatt *prenewparent, struct iatt *postnewparent,
- dict_t *xdata)
+dht_rename_unlink(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- xlator_t *src_hashed = NULL;
- xlator_t *src_cached = NULL;
- xlator_t *dst_hashed = NULL;
- xlator_t *dst_cached = NULL;
- xlator_t *rename_subvol = NULL;
- call_frame_t *link_frame = NULL;
- dht_local_t *link_local = NULL;
- dict_t *xattr = NULL;
-
- local = frame->local;
- prev = cookie;
-
- src_hashed = local->src_hashed;
- src_cached = local->src_cached;
- dst_hashed = local->dst_hashed;
- dst_cached = local->dst_cached;
-
- if (local->linked == _gf_true)
- FRAME_SU_UNDO (frame, dht_local_t);
-
- /* It is a critical failure iff we fail to rename the cached file
- * if the rename of the linkto failed, it is not a critical failure,
- * and we do not want to lose the created hard link for the new
- * name as that could have been read by other clients.
- *
- * NOTE: If another client is attempting the same oldname -> newname
- * rename, and finds both file names as existing, and are hard links
- * to each other, then FUSE would send in an unlink for oldname. In
- * this time duration if we treat the linkto as a critical error and
- * unlink the newname we created, we would have effectively lost the
- * file to rename operations.
- *
- * Repercussions of treating this as a non-critical error is that
- * we could leave behind a stale linkto file and/or not create the new
- * linkto file, the second case would be rectified by a subsequent
- * lookup, the first case by a rebalance, like for all stale linkto
- * files */
-
- if (op_ret == -1) {
- /* Critical failure: unable to rename the cached file */
- if (prev == src_cached) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_RENAME_FAILED,
- "%s: Rename on %s failed, (gfid = %s) ",
- local->loc.path, prev->name,
- local->loc.inode ?
- uuid_utoa(local->loc.inode->gfid):"");
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- goto cleanup;
- } else {
- /* Non-critical failure, unable to rename the linkto
- * file
- */
- gf_msg (this->name, GF_LOG_INFO, op_errno,
- DHT_MSG_RENAME_FAILED,
- "%s: Rename (linkto file) on %s failed, "
- "(gfid = %s) ",
- local->loc.path, prev->name,
- local->loc.inode ?
- uuid_utoa(local->loc.inode->gfid):"");
- }
- }
- if (xdata) {
- if (!local->xattr)
- local->xattr = dict_ref (xdata);
- else
- local->xattr = dict_copy_with_ref (xdata, local->xattr);
- }
+ dht_local_t *local = NULL;
+ xlator_t *src_hashed = NULL;
+ xlator_t *src_cached = NULL;
+ xlator_t *dst_hashed = NULL;
+ xlator_t *dst_cached = NULL;
+ xlator_t *rename_subvol = NULL;
+ dict_t *xattr = NULL;
- if ((src_cached == dst_cached) && (dst_hashed != dst_cached)) {
- link_frame = copy_frame (frame);
- if (!link_frame) {
- goto err;
- }
+ local = frame->local;
- /* fop value sent as maxvalue because it is not used
- anywhere in this case */
- link_local = dht_local_init (link_frame, &local->loc2, NULL,
- GF_FOP_MAXVALUE);
- if (!link_local) {
- goto err;
- }
+ src_hashed = local->src_hashed;
+ src_cached = local->src_cached;
+ dst_hashed = local->dst_hashed;
+ dst_cached = local->dst_cached;
- if (link_local->loc.inode)
- inode_unref (link_local->loc.inode);
- link_local->loc.inode = inode_ref (local->loc.inode);
- gf_uuid_copy (link_local->gfid, local->loc.inode->gfid);
+ local->call_cnt = 0;
- dht_linkfile_create (link_frame, dht_rename_links_create_cbk,
- this, src_cached, dst_hashed,
- &link_local->loc);
- }
+ /* NOTE: rename_subvol is the same subvolume from which dht_rename_cbk
+ * is called. since rename has already happened on rename_subvol,
+ * unlink shouldn't be sent for oldpath (either linkfile or cached-file)
+ * on rename_subvol. */
+ if (src_cached == dst_cached)
+ rename_subvol = src_cached;
+ else
+ rename_subvol = dst_hashed;
-err:
- /* Merge attrs only from src_cached. In case there of src_cached !=
- * dst_hashed, this ignores linkfile attrs. */
- if (prev == src_cached) {
- dht_iatt_merge (this, &local->stbuf, stbuf);
- dht_iatt_merge (this, &local->preoldparent, preoldparent);
- dht_iatt_merge (this, &local->postoldparent, postoldparent);
- dht_iatt_merge (this, &local->preparent, prenewparent);
- dht_iatt_merge (this, &local->postparent, postnewparent);
- }
-
-
- /* NOTE: rename_subvol is the same subvolume from which dht_rename_cbk
- * is called. since rename has already happened on rename_subvol,
- * unlink should not be sent for oldpath (either linkfile or cached-file)
- * on rename_subvol. */
- if (src_cached == dst_cached)
- rename_subvol = src_cached;
- else
- rename_subvol = dst_hashed;
-
- /* TODO: delete files in background */
+ /* TODO: delete files in background */
- if (src_cached != dst_hashed && src_cached != dst_cached)
- local->call_cnt++;
+ if (src_cached != dst_hashed && src_cached != dst_cached)
+ local->call_cnt++;
- if (src_hashed != rename_subvol && src_hashed != src_cached)
- local->call_cnt++;
+ if (src_hashed != rename_subvol && src_hashed != src_cached)
+ local->call_cnt++;
- if (dst_cached && dst_cached != dst_hashed && dst_cached != src_cached)
- local->call_cnt++;
+ if (dst_cached && dst_cached != dst_hashed && dst_cached != src_cached)
+ local->call_cnt++;
- if (local->call_cnt == 0)
- goto unwind;
+ if (local->call_cnt == 0)
+ goto unwind;
- DHT_MARK_FOP_INTERNAL (xattr);
+ DHT_MARK_FOP_INTERNAL(xattr);
- if (src_cached != dst_hashed && src_cached != dst_cached) {
- dict_t *xattr_new = NULL;
+ if (src_cached != dst_hashed && src_cached != dst_cached) {
+ dict_t *xattr_new = NULL;
- xattr_new = dict_copy_with_ref (xattr, NULL);
+ xattr_new = dict_copy_with_ref(xattr, NULL);
- gf_msg_trace (this->name, 0,
- "deleting old src datafile %s @ %s",
- local->loc.path, src_cached->name);
+ gf_msg_trace(this->name, 0, "deleting old src datafile %s @ %s",
+ local->loc.path, src_cached->name);
- if (gf_uuid_compare (local->loc.pargfid,
- local->loc2.pargfid) == 0) {
- DHT_MARKER_DONT_ACCOUNT(xattr_new);
- }
-
- DHT_CHANGELOG_TRACK_AS_RENAME(xattr_new, &local->loc,
- &local->loc2);
- STACK_WIND_COOKIE (frame, dht_rename_unlink_cbk, src_cached,
- src_cached, src_cached->fops->unlink,
- &local->loc, 0, xattr_new);
-
- dict_unref (xattr_new);
- xattr_new = NULL;
+ if (gf_uuid_compare(local->loc.pargfid, local->loc2.pargfid) == 0) {
+ DHT_MARKER_DONT_ACCOUNT(xattr_new);
}
- if (src_hashed != rename_subvol && src_hashed != src_cached) {
- dict_t *xattr_new = NULL;
+ DHT_CHANGELOG_TRACK_AS_RENAME(xattr_new, &local->loc, &local->loc2);
+ STACK_WIND_COOKIE(frame, dht_rename_unlink_cbk, src_cached, src_cached,
+ src_cached->fops->unlink, &local->loc, 0, xattr_new);
- xattr_new = dict_copy_with_ref (xattr, NULL);
+ dict_unref(xattr_new);
+ xattr_new = NULL;
+ }
- gf_msg_trace (this->name, 0,
- "deleting old src linkfile %s @ %s",
- local->loc.path, src_hashed->name);
+ if (src_hashed != rename_subvol && src_hashed != src_cached) {
+ dict_t *xattr_new = NULL;
- DHT_MARKER_DONT_ACCOUNT(xattr_new);
+ xattr_new = dict_copy_with_ref(xattr, NULL);
- STACK_WIND_COOKIE (frame, dht_rename_unlink_cbk, src_hashed,
- src_hashed, src_hashed->fops->unlink,
- &local->loc, 0, xattr_new);
+ gf_msg_trace(this->name, 0, "deleting old src linkfile %s @ %s",
+ local->loc.path, src_hashed->name);
- dict_unref (xattr_new);
- xattr_new = NULL;
- }
+ DHT_MARKER_DONT_ACCOUNT(xattr_new);
- if (dst_cached
- && (dst_cached != dst_hashed)
- && (dst_cached != src_cached)) {
- gf_msg_trace (this->name, 0,
- "deleting old dst datafile %s @ %s",
- local->loc2.path, dst_cached->name);
+ STACK_WIND_COOKIE(frame, dht_rename_unlink_cbk, src_hashed, src_hashed,
+ src_hashed->fops->unlink, &local->loc, 0, xattr_new);
- STACK_WIND_COOKIE (frame, dht_rename_unlink_cbk, dst_cached,
- dst_cached, dst_cached->fops->unlink,
- &local->loc2, 0, xattr);
- }
- if (xattr)
- dict_unref (xattr);
- return 0;
+ dict_unref(xattr_new);
+ xattr_new = NULL;
+ }
-unwind:
- WIPE (&local->preoldparent);
- WIPE (&local->postoldparent);
- WIPE (&local->preparent);
- WIPE (&local->postparent);
+ if (dst_cached && (dst_cached != dst_hashed) &&
+ (dst_cached != src_cached)) {
+ gf_msg_trace(this->name, 0, "deleting old dst datafile %s @ %s",
+ local->loc2.path, dst_cached->name);
- dht_rename_done (frame, this);
+ STACK_WIND_COOKIE(frame, dht_rename_unlink_cbk, dst_cached, dst_cached,
+ dst_cached->fops->unlink, &local->loc2, 0, xattr);
+ }
+ if (xattr)
+ dict_unref(xattr);
+ return 0;
- return 0;
+unwind:
+ WIPE(&local->preoldparent);
+ WIPE(&local->postoldparent);
+ WIPE(&local->preparent);
+ WIPE(&local->postparent);
-cleanup:
- dht_rename_cleanup (frame);
+ dht_rename_done(frame, this);
- return 0;
+ return 0;
}
+int
+dht_rename_links_create_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ call_frame_t *main_frame = NULL;
+
+ prev = cookie;
+ local = frame->local;
+ main_frame = local->main_frame;
+
+ /* TODO: Handle this case in lookup-optimize */
+ if (op_ret == -1) {
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_CREATE_LINK_FAILED,
+ "link/file %s on %s failed", local->loc.path, prev->name);
+ }
+
+ if (local->linked == _gf_true) {
+ local->linked = _gf_false;
+ dht_linkfile_attr_heal(frame, this);
+ }
+
+ dht_rename_unlink(main_frame, this);
+ DHT_STACK_DESTROY(frame);
+ return 0;
+}
int
-dht_do_rename (call_frame_t *frame)
+dht_rename_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct iatt *stbuf,
+ struct iatt *preoldparent, struct iatt *postoldparent,
+ struct iatt *prenewparent, struct iatt *postnewparent,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *dst_hashed = NULL;
- xlator_t *src_cached = NULL;
- xlator_t *dst_cached = NULL;
- xlator_t *this = NULL;
- xlator_t *rename_subvol = NULL;
-
- local = frame->local;
- this = frame->this;
-
- dst_hashed = local->dst_hashed;
- dst_cached = local->dst_cached;
- src_cached = local->src_cached;
-
- if (src_cached == dst_cached)
- rename_subvol = src_cached;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *src_cached = NULL;
+ xlator_t *dst_hashed = NULL;
+ xlator_t *dst_cached = NULL;
+ call_frame_t *link_frame = NULL;
+ dht_local_t *link_local = NULL;
+
+ local = frame->local;
+ prev = cookie;
+
+ src_cached = local->src_cached;
+ dst_hashed = local->dst_hashed;
+ dst_cached = local->dst_cached;
+
+ if (local->linked == _gf_true)
+ FRAME_SU_UNDO(frame, dht_local_t);
+
+ /* It is a critical failure iff we fail to rename the cached file
+ * if the rename of the linkto failed, it is not a critical failure,
+ * and we do not want to lose the created hard link for the new
+ * name as that could have been read by other clients.
+ *
+ * NOTE: If another client is attempting the same oldname -> newname
+ * rename, and finds both file names as existing, and are hard links
+ * to each other, then FUSE would send in an unlink for oldname. In
+ * this time duration if we treat the linkto as a critical error and
+ * unlink the newname we created, we would have effectively lost the
+ * file to rename operations.
+ *
+ * Repercussions of treating this as a non-critical error is that
+ * we could leave behind a stale linkto file and/or not create the new
+ * linkto file, the second case would be rectified by a subsequent
+ * lookup, the first case by a rebalance, like for all stale linkto
+ * files */
+
+ if (op_ret == -1) {
+ /* Critical failure: unable to rename the cached file */
+ if (prev == src_cached) {
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_RENAME_FAILED,
+ "%s: Rename on %s failed, (gfid = %s) ", local->loc.path,
+ prev->name,
+ local->loc.inode ? uuid_utoa(local->loc.inode->gfid) : "");
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ goto cleanup;
+ } else {
+ /* Non-critical failure, unable to rename the linkto
+ * file
+ */
+ gf_msg(this->name, GF_LOG_INFO, op_errno, DHT_MSG_RENAME_FAILED,
+ "%s: Rename (linkto file) on %s failed, "
+ "(gfid = %s) ",
+ local->loc.path, prev->name,
+ local->loc.inode ? uuid_utoa(local->loc.inode->gfid) : "");
+ }
+ }
+ if (xdata) {
+ if (!local->xattr)
+ local->xattr = dict_ref(xdata);
else
- rename_subvol = dst_hashed;
+ local->xattr = dict_copy_with_ref(xdata, local->xattr);
+ }
+
+ /* Merge attrs only from src_cached. In case there of src_cached !=
+ * dst_hashed, this ignores linkfile attrs. */
+ if (prev == src_cached) {
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ dht_iatt_merge(this, &local->preoldparent, preoldparent);
+ dht_iatt_merge(this, &local->postoldparent, postoldparent);
+ dht_iatt_merge(this, &local->preparent, prenewparent);
+ dht_iatt_merge(this, &local->postparent, postnewparent);
+ }
+
+ /* Create the linkto file for the dst file */
+ if ((src_cached == dst_cached) && (dst_hashed != dst_cached)) {
+ link_frame = copy_frame(frame);
+ if (!link_frame) {
+ goto unlink;
+ }
+
+ /* fop value sent as maxvalue because it is not used
+ * anywhere in this case */
+ link_local = dht_local_init(link_frame, &local->loc2, NULL,
+ GF_FOP_MAXVALUE);
+ if (!link_local) {
+ goto unlink;
+ }
+
+ if (link_local->loc.inode)
+ inode_unref(link_local->loc.inode);
+ link_local->loc.inode = inode_ref(local->loc.inode);
+ link_local->main_frame = frame;
+ link_local->stbuf = local->stbuf;
+ gf_uuid_copy(link_local->gfid, local->loc.inode->gfid);
+
+ dht_linkfile_create(link_frame, dht_rename_links_create_cbk, this,
+ src_cached, dst_hashed, &link_local->loc);
+ return 0;
+ }
- if ((src_cached != dst_hashed) && (rename_subvol == dst_hashed)) {
- DHT_MARKER_DONT_ACCOUNT(local->xattr_req);
- }
+unlink:
- if (rename_subvol == src_cached) {
- DHT_CHANGELOG_TRACK_AS_RENAME(local->xattr_req, &local->loc,
- &local->loc2);
- }
+ if (link_frame) {
+ DHT_STACK_DESTROY(link_frame);
+ }
+ dht_rename_unlink(frame, this);
+ return 0;
- gf_msg_trace (this->name, 0,
- "renaming %s => %s (%s)",
- local->loc.path, local->loc2.path, rename_subvol->name);
+cleanup:
+ dht_rename_cleanup(frame);
- if (local->linked == _gf_true)
- FRAME_SU_DO (frame, dht_local_t);
- STACK_WIND_COOKIE (frame, dht_rename_cbk, rename_subvol, rename_subvol,
- rename_subvol->fops->rename, &local->loc,
- &local->loc2, local->xattr_req);
- return 0;
+ return 0;
}
int
-dht_rename_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+dht_do_rename(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *dst_hashed = NULL;
+ xlator_t *src_cached = NULL;
+ xlator_t *dst_cached = NULL;
+ xlator_t *this = NULL;
+ xlator_t *rename_subvol = NULL;
+
+ local = frame->local;
+ this = frame->this;
+
+ dst_hashed = local->dst_hashed;
+ dst_cached = local->dst_cached;
+ src_cached = local->src_cached;
+
+ if (src_cached == dst_cached)
+ rename_subvol = src_cached;
+ else
+ rename_subvol = dst_hashed;
+
+ if ((src_cached != dst_hashed) && (rename_subvol == dst_hashed)) {
+ DHT_MARKER_DONT_ACCOUNT(local->xattr_req);
+ }
+
+ if (rename_subvol == src_cached) {
+ DHT_CHANGELOG_TRACK_AS_RENAME(local->xattr_req, &local->loc,
+ &local->loc2);
+ }
+
+ gf_msg_trace(this->name, 0, "renaming %s => %s (%s)", local->loc.path,
+ local->loc2.path, rename_subvol->name);
+
+ if (local->linked == _gf_true)
+ FRAME_SU_DO(frame, dht_local_t);
+ STACK_WIND_COOKIE(frame, dht_rename_cbk, rename_subvol, rename_subvol,
+ rename_subvol->fops->rename, &local->loc, &local->loc2,
+ local->xattr_req);
+ return 0;
+}
- local = frame->local;
- prev = cookie;
+int
+dht_rename_link_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
+{
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
- if (op_ret == -1) {
- gf_msg_debug (this->name, 0,
- "link/file on %s failed (%s)",
- prev->name, strerror (op_errno));
- local->op_ret = -1;
- local->op_errno = op_errno;
- local->added_link = _gf_false;
- } else
- dht_iatt_merge (this, &local->stbuf, stbuf);
+ local = frame->local;
+ prev = cookie;
- if (local->op_ret == -1)
- goto cleanup;
+ if (op_ret == -1) {
+ gf_msg_debug(this->name, 0, "link/file on %s failed (%s)", prev->name,
+ strerror(op_errno));
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ local->added_link = _gf_false;
+ } else
+ dht_iatt_merge(this, &local->stbuf, stbuf);
- dht_do_rename (frame);
+ if (local->op_ret == -1)
+ goto cleanup;
- return 0;
+ dht_do_rename(frame);
+
+ return 0;
cleanup:
- dht_rename_cleanup (frame);
+ dht_rename_cleanup(frame);
- return 0;
+ return 0;
}
int
-dht_rename_linkto_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+dht_rename_linkto_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
- xlator_t *src_cached = NULL;
- dict_t *xattr = NULL;
-
- local = frame->local;
- DHT_MARK_FOP_INTERNAL (xattr);
- prev = cookie;
- src_cached = local->src_cached;
-
- if (op_ret == -1) {
- gf_msg_debug (this->name, 0,
- "link/file on %s failed (%s)",
- prev->name, strerror (op_errno));
- local->op_ret = -1;
- local->op_errno = op_errno;
- }
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *src_cached = NULL;
+ dict_t *xattr = NULL;
- /* If linkto creation failed move to failure cleanup code,
- * instead of continuing with creating the link file */
- if (local->op_ret != 0) {
- goto cleanup;
- }
+ local = frame->local;
+ DHT_MARK_FOP_INTERNAL(xattr);
+ prev = cookie;
+ src_cached = local->src_cached;
- gf_msg_trace (this->name, 0,
- "link %s => %s (%s)", local->loc.path,
- local->loc2.path, src_cached->name);
- if (gf_uuid_compare (local->loc.pargfid,
- local->loc2.pargfid) == 0) {
- DHT_MARKER_DONT_ACCOUNT(xattr);
- }
+ if (op_ret == -1) {
+ gf_msg_debug(this->name, 0, "link/file on %s failed (%s)", prev->name,
+ strerror(op_errno));
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ }
- local->added_link = _gf_true;
+ /* If linkto creation failed move to failure cleanup code,
+ * instead of continuing with creating the link file */
+ if (local->op_ret != 0) {
+ goto cleanup;
+ }
- STACK_WIND_COOKIE (frame, dht_rename_link_cbk, src_cached, src_cached,
- src_cached->fops->link, &local->loc, &local->loc2,
- xattr);
+ gf_msg_trace(this->name, 0, "link %s => %s (%s)", local->loc.path,
+ local->loc2.path, src_cached->name);
+ if (gf_uuid_compare(local->loc.pargfid, local->loc2.pargfid) == 0) {
+ DHT_MARKER_DONT_ACCOUNT(xattr);
+ }
- if (xattr)
- dict_unref (xattr);
+ local->added_link = _gf_true;
- return 0;
+ STACK_WIND_COOKIE(frame, dht_rename_link_cbk, src_cached, src_cached,
+ src_cached->fops->link, &local->loc, &local->loc2, xattr);
+
+ if (xattr)
+ dict_unref(xattr);
+
+ return 0;
cleanup:
- dht_rename_cleanup (frame);
+ dht_rename_cleanup(frame);
- if (xattr)
- dict_unref (xattr);
+ if (xattr)
+ dict_unref(xattr);
- return 0;
+ return 0;
}
int
-dht_rename_unlink_links_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+dht_rename_unlink_links_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ struct iatt *preparent, struct iatt *postparent,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *prev = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *prev = NULL;
+ local = frame->local;
+ prev = cookie;
- local = frame->local;
- prev = cookie;
+ if ((op_ret == -1) && (op_errno != ENOENT)) {
+ gf_msg_debug(this->name, 0, "unlink of %s on %s failed (%s)",
+ local->loc2.path, prev->name, strerror(op_errno));
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ }
- if ((op_ret == -1) && (op_errno != ENOENT)) {
- gf_msg_debug (this->name, 0,
- "unlink of %s on %s failed (%s)",
- local->loc2.path, prev->name,
- strerror (op_errno));
- local->op_ret = -1;
- local->op_errno = op_errno;
- }
+ if (local->op_ret == -1)
+ goto cleanup;
- if (local->op_ret == -1)
- goto cleanup;
+ dht_do_rename(frame);
- dht_do_rename (frame);
-
- return 0;
+ return 0;
cleanup:
- dht_rename_cleanup (frame);
+ dht_rename_cleanup(frame);
- return 0;
+ return 0;
}
-
int
-dht_rename_create_links (call_frame_t *frame)
+dht_rename_create_links(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- xlator_t *src_hashed = NULL;
- xlator_t *src_cached = NULL;
- xlator_t *dst_hashed = NULL;
- xlator_t *dst_cached = NULL;
- int call_cnt = 0;
- dict_t *xattr = NULL;
-
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ xlator_t *src_hashed = NULL;
+ xlator_t *src_cached = NULL;
+ xlator_t *dst_hashed = NULL;
+ xlator_t *dst_cached = NULL;
+ int call_cnt = 0;
+ dict_t *xattr = NULL;
- local = frame->local;
- this = frame->this;
+ local = frame->local;
+ this = frame->this;
- src_hashed = local->src_hashed;
- src_cached = local->src_cached;
- dst_hashed = local->dst_hashed;
- dst_cached = local->dst_cached;
+ src_hashed = local->src_hashed;
+ src_cached = local->src_cached;
+ dst_hashed = local->dst_hashed;
+ dst_cached = local->dst_cached;
- DHT_MARK_FOP_INTERNAL (xattr);
+ DHT_MARK_FOP_INTERNAL(xattr);
- if (src_cached == dst_cached) {
- dict_t *xattr_new = NULL;
+ if (src_cached == dst_cached) {
+ dict_t *xattr_new = NULL;
- if (dst_hashed == dst_cached)
- goto nolinks;
+ if (dst_hashed == dst_cached)
+ goto nolinks;
- xattr_new = dict_copy_with_ref (xattr, NULL);
+ xattr_new = dict_copy_with_ref(xattr, NULL);
- gf_msg_trace (this->name, 0,
- "unlinking dst linkfile %s @ %s",
- local->loc2.path, dst_hashed->name);
+ gf_msg_trace(this->name, 0, "unlinking dst linkfile %s @ %s",
+ local->loc2.path, dst_hashed->name);
- DHT_MARKER_DONT_ACCOUNT(xattr_new);
+ DHT_MARKER_DONT_ACCOUNT(xattr_new);
- STACK_WIND_COOKIE (frame, dht_rename_unlink_links_cbk,
- dst_hashed, dst_hashed,
- dst_hashed->fops->unlink, &local->loc2, 0,
- xattr_new);
+ STACK_WIND_COOKIE(frame, dht_rename_unlink_links_cbk, dst_hashed,
+ dst_hashed, dst_hashed->fops->unlink, &local->loc2, 0,
+ xattr_new);
- dict_unref (xattr_new);
- if (xattr)
- dict_unref (xattr);
-
- return 0;
- }
+ dict_unref(xattr_new);
+ if (xattr)
+ dict_unref(xattr);
- if (src_cached != dst_hashed) {
- /* needed to create the link file */
- call_cnt++;
- if (dst_hashed != src_hashed)
- /* needed to create the linkto file */
- call_cnt ++;
+ return 0;
+ }
+
+ if (src_cached != dst_hashed) {
+ /* needed to create the link file */
+ call_cnt++;
+ if (dst_hashed != src_hashed)
+ /* needed to create the linkto file */
+ call_cnt++;
+ }
+
+ /* We should not have any failures post the link creation, as this
+ * introduces the newname into the namespace. Clients could have cached
+ * the existence of the newname and may start taking actions based on
+ * the same. Hence create the linkto first, and then attempt the link.
+ *
+ * NOTE: If another client is attempting the same oldname -> newname
+ * rename, and finds both file names as existing, and are hard links
+ * to each other, then FUSE would send in an unlink for oldname. In
+ * this time duration if we treat the linkto as a critical error and
+ * unlink the newname we created, we would have effectively lost the
+ * file to rename operations. */
+ if (dst_hashed != src_hashed && src_cached != dst_hashed) {
+ gf_msg_trace(this->name, 0, "linkfile %s @ %s => %s", local->loc.path,
+ dst_hashed->name, src_cached->name);
+
+ memcpy(local->gfid, local->loc.inode->gfid, 16);
+ dht_linkfile_create(frame, dht_rename_linkto_cbk, this, src_cached,
+ dst_hashed, &local->loc);
+ } else if (src_cached != dst_hashed) {
+ dict_t *xattr_new = NULL;
+
+ xattr_new = dict_copy_with_ref(xattr, NULL);
+
+ gf_msg_trace(this->name, 0, "link %s => %s (%s)", local->loc.path,
+ local->loc2.path, src_cached->name);
+ if (gf_uuid_compare(local->loc.pargfid, local->loc2.pargfid) == 0) {
+ DHT_MARKER_DONT_ACCOUNT(xattr_new);
}
- /* We should not have any failures post the link creation, as this
- * introduces the newname into the namespace. Clients could have cached
- * the existence of the newname and may start taking actions based on
- * the same. Hence create the linkto first, and then attempt the link.
- *
- * NOTE: If another client is attempting the same oldname -> newname
- * rename, and finds both file names as existing, and are hard links
- * to each other, then FUSE would send in an unlink for oldname. In
- * this time duration if we treat the linkto as a critical error and
- * unlink the newname we created, we would have effectively lost the
- * file to rename operations. */
- if (dst_hashed != src_hashed && src_cached != dst_hashed) {
- gf_msg_trace (this->name, 0,
- "linkfile %s @ %s => %s",
- local->loc.path, dst_hashed->name,
- src_cached->name);
-
- memcpy (local->gfid, local->loc.inode->gfid, 16);
- dht_linkfile_create (frame, dht_rename_linkto_cbk, this,
- src_cached, dst_hashed, &local->loc);
- } else if (src_cached != dst_hashed) {
- dict_t *xattr_new = NULL;
-
- xattr_new = dict_copy_with_ref (xattr, NULL);
-
- gf_msg_trace (this->name, 0,
- "link %s => %s (%s)", local->loc.path,
- local->loc2.path, src_cached->name);
- if (gf_uuid_compare (local->loc.pargfid,
- local->loc2.pargfid) == 0) {
- DHT_MARKER_DONT_ACCOUNT(xattr_new);
- }
-
- local->added_link = _gf_true;
+ local->added_link = _gf_true;
- STACK_WIND_COOKIE (frame, dht_rename_link_cbk, src_cached,
- src_cached, src_cached->fops->link,
- &local->loc, &local->loc2, xattr_new);
+ STACK_WIND_COOKIE(frame, dht_rename_link_cbk, src_cached, src_cached,
+ src_cached->fops->link, &local->loc, &local->loc2,
+ xattr_new);
- dict_unref (xattr_new);
- }
+ dict_unref(xattr_new);
+ }
nolinks:
- if (!call_cnt) {
- /* skip to next step */
- dht_do_rename (frame);
- }
- if (xattr)
- dict_unref (xattr);
-
- return 0;
+ if (!call_cnt) {
+ /* skip to next step */
+ dht_do_rename(frame);
+ }
+ if (xattr)
+ dict_unref(xattr);
+
+ return 0;
}
int
-dht_rename_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
+dht_rename_lookup_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, dict_t *xattr,
+ struct iatt *postparent)
{
- dht_local_t *local = NULL;
- int call_cnt = 0;
- dht_conf_t *conf = NULL;
- char gfid_local[GF_UUID_BUF_SIZE] = {0};
- char gfid_server[GF_UUID_BUF_SIZE] = {0};
- int child_index = -1;
- gf_boolean_t is_src = _gf_false;
- loc_t *loc = NULL;
-
-
- child_index = (long)cookie;
-
- local = frame->local;
- conf = this->private;
-
- is_src = (child_index == 0);
+ dht_local_t *local = NULL;
+ int call_cnt = 0;
+ dht_conf_t *conf = NULL;
+ char gfid_local[GF_UUID_BUF_SIZE] = {0};
+ char gfid_server[GF_UUID_BUF_SIZE] = {0};
+ int child_index = -1;
+ gf_boolean_t is_src = _gf_false;
+ loc_t *loc = NULL;
+
+ child_index = (long)cookie;
+
+ local = frame->local;
+ conf = this->private;
+
+ is_src = (child_index == 0);
+ if (is_src)
+ loc = &local->loc;
+ else
+ loc = &local->loc2;
+
+ if (op_ret >= 0) {
if (is_src)
- loc = &local->loc;
- else
- loc = &local->loc2;
-
- if (op_ret >= 0) {
- if (is_src)
- local->src_cached
- = dht_subvol_get_cached (this,
- local->loc.inode);
- else {
- if (loc->inode)
- gf_uuid_unparse (loc->inode->gfid, gfid_local);
-
- gf_msg_debug (this->name, 0,
- "dst_cached before lookup: %s, "
- "(path:%s)(gfid:%s),",
- local->loc2.path,
- local->dst_cached
- ? local->dst_cached->name :
- NULL,
- local->dst_cached ? gfid_local : NULL);
-
- local->dst_cached
- = dht_subvol_get_cached (this,
- local->loc2_copy.inode);
-
- gf_uuid_unparse (stbuf->ia_gfid, gfid_local);
-
- gf_msg_debug (this->name, GF_LOG_WARNING,
- "dst_cached after lookup: %s, "
- "(path:%s)(gfid:%s)",
- local->loc2.path,
- local->dst_cached
- ? local->dst_cached->name :
- NULL,
- local->dst_cached ? gfid_local : NULL);
-
-
- if ((local->loc2.inode == NULL)
- || gf_uuid_compare (stbuf->ia_gfid,
- local->loc2.inode->gfid)) {
- if (local->loc2.inode != NULL) {
- inode_unlink (local->loc2.inode,
- local->loc2.parent,
- local->loc2.name);
- inode_unref (local->loc2.inode);
- }
-
- local->loc2.inode
- = inode_link (local->loc2_copy.inode,
- local->loc2_copy.parent,
- local->loc2_copy.name,
- stbuf);
- gf_uuid_copy (local->loc2.gfid,
- stbuf->ia_gfid);
- }
+ local->src_cached = dht_subvol_get_cached(this, local->loc.inode);
+ else {
+ if (loc->inode)
+ gf_uuid_unparse(loc->inode->gfid, gfid_local);
+
+ gf_msg_debug(this->name, 0,
+ "dst_cached before lookup: %s, "
+ "(path:%s)(gfid:%s),",
+ local->loc2.path,
+ local->dst_cached ? local->dst_cached->name : NULL,
+ local->dst_cached ? gfid_local : NULL);
+
+ local->dst_cached = dht_subvol_get_cached(this,
+ local->loc2_copy.inode);
+
+ gf_uuid_unparse(stbuf->ia_gfid, gfid_local);
+
+ gf_msg_debug(this->name, GF_LOG_WARNING,
+ "dst_cached after lookup: %s, "
+ "(path:%s)(gfid:%s)",
+ local->loc2.path,
+ local->dst_cached ? local->dst_cached->name : NULL,
+ local->dst_cached ? gfid_local : NULL);
+
+ if ((local->loc2.inode == NULL) ||
+ gf_uuid_compare(stbuf->ia_gfid, local->loc2.inode->gfid)) {
+ if (local->loc2.inode != NULL) {
+ inode_unlink(local->loc2.inode, local->loc2.parent,
+ local->loc2.name);
+ inode_unref(local->loc2.inode);
}
- }
- if (op_ret < 0) {
- if (is_src) {
- /* The meaning of is_linkfile is overloaded here. For locking
- * to work properly both rebalance and rename should acquire
- * lock on datafile. The reason for sending this lookup is to
- * find out whether we've acquired a lock on data file.
- * Between the lookup before rename and this rename, the
- * file could be migrated by a rebalance process and now this
- * file this might be a linkto file. We verify that by sending
- * this lookup. However, if this lookup fails we cannot really
- * say whether we've acquired lock on a datafile or linkto file.
- * So, we act conservatively and _assume_
- * that this is a linkfile and fail the rename operation.
- */
- local->is_linkfile = _gf_true;
- local->op_errno = op_errno;
- } else {
- if (local->dst_cached)
- gf_msg_debug (this->name, op_errno,
- "file %s (gfid:%s) was present "
- "(hashed-subvol=%s, "
- "cached-subvol=%s) before rename,"
- " but lookup failed",
- local->loc2.path,
- uuid_utoa (local->loc2.inode->gfid),
- local->dst_hashed->name,
- local->dst_cached->name);
- if (dht_inode_missing (op_errno))
- local->dst_cached = NULL;
- }
- } else if (is_src && xattr && check_is_linkfile (inode, stbuf, xattr,
- conf->link_xattr_name)) {
- local->is_linkfile = _gf_true;
- /* Found linkto file instead of data file, passdown ENOENT
- * based on the above comment */
- local->op_errno = ENOENT;
- }
-
- if (!local->is_linkfile && (op_ret >= 0) &&
- gf_uuid_compare (loc->gfid, stbuf->ia_gfid)) {
- gf_uuid_unparse (loc->gfid, gfid_local);
- gf_uuid_unparse (stbuf->ia_gfid, gfid_server);
-
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_GFID_MISMATCH,
- "path:%s, received a different gfid, local_gfid= %s"
- " server_gfid: %s",
- local->loc.path, gfid_local, gfid_server);
-
- /* Will passdown ENOENT anyway since the file we sent on
- * rename is replaced with a different file */
- local->op_errno = ENOENT;
- /* Since local->is_linkfile is used here to detect failure,
- * marking this to true */
- local->is_linkfile = _gf_true;
- }
-
- call_cnt = dht_frame_return (frame);
- if (is_last_call (call_cnt)) {
- if (local->is_linkfile) {
- local->op_ret = -1;
- goto fail;
- }
-
- dht_rename_create_links (frame);
- }
-
- return 0;
+ local->loc2.inode = inode_link(local->loc2_copy.inode,
+ local->loc2_copy.parent,
+ local->loc2_copy.name, stbuf);
+ gf_uuid_copy(local->loc2.gfid, stbuf->ia_gfid);
+ }
+ }
+ }
+
+ if (op_ret < 0) {
+ if (is_src) {
+ /* The meaning of is_linkfile is overloaded here. For locking
+ * to work properly both rebalance and rename should acquire
+ * lock on datafile. The reason for sending this lookup is to
+ * find out whether we've acquired a lock on data file.
+ * Between the lookup before rename and this rename, the
+ * file could be migrated by a rebalance process and now this
+ * file this might be a linkto file. We verify that by sending
+ * this lookup. However, if this lookup fails we cannot really
+ * say whether we've acquired lock on a datafile or linkto file.
+ * So, we act conservatively and _assume_
+ * that this is a linkfile and fail the rename operation.
+ */
+ local->is_linkfile = _gf_true;
+ local->op_errno = op_errno;
+ } else {
+ if (local->dst_cached)
+ gf_msg_debug(this->name, op_errno,
+ "file %s (gfid:%s) was present "
+ "(hashed-subvol=%s, "
+ "cached-subvol=%s) before rename,"
+ " but lookup failed",
+ local->loc2.path,
+ uuid_utoa(local->loc2.inode->gfid),
+ local->dst_hashed->name, local->dst_cached->name);
+ if (dht_inode_missing(op_errno))
+ local->dst_cached = NULL;
+ }
+ } else if (is_src && xattr &&
+ check_is_linkfile(inode, stbuf, xattr, conf->link_xattr_name)) {
+ local->is_linkfile = _gf_true;
+ /* Found linkto file instead of data file, passdown ENOENT
+ * based on the above comment */
+ local->op_errno = ENOENT;
+ }
+
+ if (!local->is_linkfile && (op_ret >= 0) &&
+ gf_uuid_compare(loc->gfid, stbuf->ia_gfid)) {
+ gf_uuid_unparse(loc->gfid, gfid_local);
+ gf_uuid_unparse(stbuf->ia_gfid, gfid_server);
+
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_GFID_MISMATCH,
+ "path:%s, received a different gfid, local_gfid= %s"
+ " server_gfid: %s",
+ local->loc.path, gfid_local, gfid_server);
+
+ /* Will passdown ENOENT anyway since the file we sent on
+ * rename is replaced with a different file */
+ local->op_errno = ENOENT;
+ /* Since local->is_linkfile is used here to detect failure,
+ * marking this to true */
+ local->is_linkfile = _gf_true;
+ }
+
+ call_cnt = dht_frame_return(frame);
+ if (is_last_call(call_cnt)) {
+ if (local->is_linkfile) {
+ local->op_ret = -1;
+ goto fail;
+ }
+
+ dht_rename_create_links(frame);
+ }
+
+ return 0;
fail:
- dht_rename_unlock (frame, this);
- return 0;
+ dht_rename_unlock(frame, this);
+ return 0;
}
int
-dht_rename_file_lock1_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_rename_file_lock1_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char src_gfid[GF_UUID_BUF_SIZE] = {0};
- char dst_gfid[GF_UUID_BUF_SIZE] = {0};
- int ret = 0;
- loc_t *loc = NULL;
- xlator_t *subvol = NULL;
-
- local = frame->local;
-
- if (op_ret < 0) {
- uuid_utoa_r (local->loc.inode->gfid, src_gfid);
-
- if (local->loc2.inode)
- uuid_utoa_r (local->loc2.inode->gfid, dst_gfid);
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_INODE_LK_ERROR,
- "protecting namespace of %s failed"
- "rename (%s:%s:%s %s:%s:%s)",
- local->current == &local->lock[0] ? local->loc.path
- : local->loc2.path,
- local->loc.path, src_gfid, local->src_hashed->name,
- local->loc2.path, dst_gfid,
- local->dst_hashed ? local->dst_hashed->name : NULL);
-
- local->op_ret = -1;
- local->op_errno = op_errno;
- goto err;
- }
-
- if (local->current == &local->lock[0]) {
- loc = &local->loc2;
- subvol = local->dst_hashed;
- local->current = &local->lock[1];
- } else {
- loc = &local->loc;
- subvol = local->src_hashed;
- local->current = &local->lock[0];
- }
-
- ret = dht_protect_namespace (frame, loc, subvol, &local->current->ns,
- dht_rename_lock_cbk);
- if (ret < 0) {
- op_errno = EINVAL;
- goto err;
- }
-
- return 0;
+ dht_local_t *local = NULL;
+ char src_gfid[GF_UUID_BUF_SIZE] = {0};
+ char dst_gfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = 0;
+ loc_t *loc = NULL;
+ xlator_t *subvol = NULL;
+
+ local = frame->local;
+
+ if (op_ret < 0) {
+ uuid_utoa_r(local->loc.inode->gfid, src_gfid);
+
+ if (local->loc2.inode)
+ uuid_utoa_r(local->loc2.inode->gfid, dst_gfid);
+
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_INODE_LK_ERROR,
+ "protecting namespace of %s failed"
+ "rename (%s:%s:%s %s:%s:%s)",
+ local->current == &local->lock[0] ? local->loc.path
+ : local->loc2.path,
+ local->loc.path, src_gfid, local->src_hashed->name,
+ local->loc2.path, dst_gfid,
+ local->dst_hashed ? local->dst_hashed->name : NULL);
+
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+ goto err;
+ }
+
+ if (local->current == &local->lock[0]) {
+ loc = &local->loc2;
+ subvol = local->dst_hashed;
+ local->current = &local->lock[1];
+ } else {
+ loc = &local->loc;
+ subvol = local->src_hashed;
+ local->current = &local->lock[0];
+ }
+
+ ret = dht_protect_namespace(frame, loc, subvol, &local->current->ns,
+ dht_rename_lock_cbk);
+ if (ret < 0) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ return 0;
err:
- /* No harm in calling an extra unlock */
- dht_rename_unlock (frame, this);
- return 0;
+ /* No harm in calling an extra unlock */
+ dht_rename_unlock(frame, this);
+ return 0;
}
int32_t
-dht_rename_file_protect_namespace (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata)
+dht_rename_file_protect_namespace(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char src_gfid[GF_UUID_BUF_SIZE] = {0};
- char dst_gfid[GF_UUID_BUF_SIZE] = {0};
- int ret = 0;
- loc_t *loc = NULL;
- xlator_t *subvol = NULL;
-
- local = frame->local;
-
- if (op_ret < 0) {
- uuid_utoa_r (local->loc.inode->gfid, src_gfid);
-
- if (local->loc2.inode)
- uuid_utoa_r (local->loc2.inode->gfid, dst_gfid);
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_INODE_LK_ERROR,
- "acquiring inodelk failed "
- "rename (%s:%s:%s %s:%s:%s)",
- local->loc.path, src_gfid, local->src_cached->name,
- local->loc2.path, dst_gfid,
- local->dst_cached ? local->dst_cached->name : NULL);
-
- local->op_ret = -1;
- local->op_errno = op_errno;
-
- goto err;
- }
-
- /* Locks on src and dst needs to ordered which otherwise might cause
- * deadlocks when rename (src, dst) and rename (dst, src) is done from
- * two different clients
- */
- dht_order_rename_lock (frame, &loc, &subvol);
-
- ret = dht_protect_namespace (frame, loc, subvol,
- &local->current->ns,
- dht_rename_file_lock1_cbk);
- if (ret < 0) {
- op_errno = EINVAL;
- goto err;
- }
-
- return 0;
+ dht_local_t *local = NULL;
+ char src_gfid[GF_UUID_BUF_SIZE] = {0};
+ char dst_gfid[GF_UUID_BUF_SIZE] = {0};
+ int ret = 0;
+ loc_t *loc = NULL;
+ xlator_t *subvol = NULL;
+
+ local = frame->local;
+
+ if (op_ret < 0) {
+ uuid_utoa_r(local->loc.inode->gfid, src_gfid);
+
+ if (local->loc2.inode)
+ uuid_utoa_r(local->loc2.inode->gfid, dst_gfid);
+
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_INODE_LK_ERROR,
+ "acquiring inodelk failed "
+ "rename (%s:%s:%s %s:%s:%s)",
+ local->loc.path, src_gfid, local->src_cached->name,
+ local->loc2.path, dst_gfid,
+ local->dst_cached ? local->dst_cached->name : NULL);
+
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+
+ goto err;
+ }
+
+ /* Locks on src and dst needs to ordered which otherwise might cause
+ * deadlocks when rename (src, dst) and rename (dst, src) is done from
+ * two different clients
+ */
+ ret = dht_order_rename_lock(frame, &loc, &subvol);
+ if (ret) {
+ local->op_errno = ENOMEM;
+ goto err;
+ }
+
+ ret = dht_protect_namespace(frame, loc, subvol, &local->current->ns,
+ dht_rename_file_lock1_cbk);
+ if (ret < 0) {
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ return 0;
err:
- /* Its fine to call unlock even when no locks are acquired, as we check
- * for lock->locked before winding a unlock call.
- */
- dht_rename_unlock (frame, this);
+ /* Its fine to call unlock even when no locks are acquired, as we check
+ * for lock->locked before winding a unlock call.
+ */
+ dht_rename_unlock(frame, this);
- return 0;
+ return 0;
}
int32_t
-dht_rename_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_rename_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- char src_gfid[GF_UUID_BUF_SIZE] = {0};
- char dst_gfid[GF_UUID_BUF_SIZE] = {0};
- dict_t *xattr_req = NULL;
- dht_conf_t *conf = NULL;
- int i = 0;
- xlator_t *subvol = NULL;
- dht_lock_t *lock = NULL;
-
- local = frame->local;
- conf = this->private;
-
- if (op_ret < 0) {
- uuid_utoa_r (local->loc.inode->gfid, src_gfid);
-
- if (local->loc2.inode)
- uuid_utoa_r (local->loc2.inode->gfid, dst_gfid);
-
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_INODE_LK_ERROR,
- "protecting namespace of %s failed. "
- "rename (%s:%s:%s %s:%s:%s)",
- local->current == &local->lock[0] ? local->loc.path
- : local->loc2.path,
- local->loc.path, src_gfid, local->src_hashed->name,
- local->loc2.path, dst_gfid,
- local->dst_hashed ? local->dst_hashed->name : NULL);
-
- local->op_ret = -1;
- local->op_errno = op_errno;
-
- goto done;
- }
-
- xattr_req = dict_new ();
- if (xattr_req == NULL) {
- local->op_ret = -1;
- local->op_errno = ENOMEM;
- goto done;
+ dht_local_t *local = NULL;
+ char src_gfid[GF_UUID_BUF_SIZE] = {0};
+ char dst_gfid[GF_UUID_BUF_SIZE] = {0};
+ dict_t *xattr_req = NULL;
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ xlator_t *subvol = NULL;
+ dht_lock_t *lock = NULL;
+
+ local = frame->local;
+ conf = this->private;
+
+ if (op_ret < 0) {
+ uuid_utoa_r(local->loc.inode->gfid, src_gfid);
+
+ if (local->loc2.inode)
+ uuid_utoa_r(local->loc2.inode->gfid, dst_gfid);
+
+ gf_msg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_INODE_LK_ERROR,
+ "protecting namespace of %s failed. "
+ "rename (%s:%s:%s %s:%s:%s)",
+ local->current == &local->lock[0] ? local->loc.path
+ : local->loc2.path,
+ local->loc.path, src_gfid, local->src_hashed->name,
+ local->loc2.path, dst_gfid,
+ local->dst_hashed ? local->dst_hashed->name : NULL);
+
+ local->op_ret = -1;
+ local->op_errno = op_errno;
+
+ goto done;
+ }
+
+ xattr_req = dict_new();
+ if (xattr_req == NULL) {
+ local->op_ret = -1;
+ local->op_errno = ENOMEM;
+ goto done;
+ }
+
+ op_ret = dict_set_uint32(xattr_req, conf->link_xattr_name, 256);
+ if (op_ret < 0) {
+ local->op_ret = -1;
+ local->op_errno = -op_ret;
+ goto done;
+ }
+
+ /* dst_cached might've changed. This normally happens for two reasons:
+ * 1. rebalance migrated dst
+ * 2. Another parallel rename was done overwriting dst
+ *
+ * Doing a lookup on local->loc2 when dst exists, but is associated
+ * with a different gfid will result in an ESTALE error. So, do a fresh
+ * lookup with a new inode on dst-path and handle change of dst-cached
+ * in the cbk. Also, to identify dst-cached changes we do a lookup on
+ * "this" rather than the subvol.
+ */
+ loc_copy(&local->loc2_copy, &local->loc2);
+ inode_unref(local->loc2_copy.inode);
+ local->loc2_copy.inode = inode_new(local->loc.inode->table);
+
+ /* Why not use local->lock.locks[?].loc for lookup post lock phase
+ * ---------------------------------------------------------------
+ * "layout.parent_layout.locks[?].loc" does not have the name and pargfid
+ * populated.
+ * Reason: If we had populated the name and pargfid, server might
+ * resolve to a successful lookup even if there is a file with same name
+ * with a different gfid(unlink & create) as server does name based
+ * resolution on first priority. And this can result in operating on a
+ * different inode entirely.
+ *
+ * Now consider a scenario where source file was renamed by some other
+ * client to a new name just before this lock was granted. So if a
+ * lookup would be done on local->lock[0].layout.parent_layout.locks[?].loc,
+ * server will send success even if the entry was renamed (since server will
+ * do a gfid based resolution). So once a lock is granted, make sure the
+ * file exists with the name that the client requested with.
+ * */
+
+ local->call_cnt = 2;
+ for (i = 0; i < 2; i++) {
+ if (i == 0) {
+ lock = local->rename_inodelk_backward_compatible[0];
+ if (gf_uuid_compare(local->loc.gfid, lock->loc.gfid) == 0)
+ subvol = lock->xl;
+ else {
+ lock = local->rename_inodelk_backward_compatible[1];
+ subvol = lock->xl;
+ }
+ } else {
+ subvol = this;
}
- op_ret = dict_set_uint32 (xattr_req,
- conf->link_xattr_name, 256);
- if (op_ret < 0) {
- local->op_ret = -1;
- local->op_errno = -op_ret;
- goto done;
- }
+ STACK_WIND_COOKIE(frame, dht_rename_lookup_cbk, (void *)(long)i, subvol,
+ subvol->fops->lookup,
+ (i == 0) ? &local->loc : &local->loc2_copy,
+ xattr_req);
+ }
- /* dst_cached might've changed. This normally happens for two reasons:
- * 1. rebalance migrated dst
- * 2. Another parallel rename was done overwriting dst
- *
- * Doing a lookup on local->loc2 when dst exists, but is associated
- * with a different gfid will result in an ESTALE error. So, do a fresh
- * lookup with a new inode on dst-path and handle change of dst-cached
- * in the cbk. Also, to identify dst-cached changes we do a lookup on
- * "this" rather than the subvol.
- */
- loc_copy (&local->loc2_copy, &local->loc2);
- inode_unref (local->loc2_copy.inode);
- local->loc2_copy.inode = inode_new (local->loc.inode->table);
-
- /* Why not use local->lock.locks[?].loc for lookup post lock phase
- * ---------------------------------------------------------------
- * "layout.parent_layout.locks[?].loc" does not have the name and pargfid
- * populated.
- * Reason: If we had populated the name and pargfid, server might
- * resolve to a successful lookup even if there is a file with same name
- * with a different gfid(unlink & create) as server does name based
- * resolution on first priority. And this can result in operating on a
- * different inode entirely.
- *
- * Now consider a scenario where source file was renamed by some other
- * client to a new name just before this lock was granted. So if a
- * lookup would be done on local->lock[0].layout.parent_layout.locks[?].loc,
- * server will send success even if the entry was renamed (since server will
- * do a gfid based resolution). So once a lock is granted, make sure the file
- * exists with the name that the client requested with.
- * */
-
- local->call_cnt = 2;
- for (i = 0; i < 2; i++) {
- if (i == 0) {
- lock = local->rename_inodelk_backward_compatible[0];
- if (gf_uuid_compare (local->loc.gfid,
- lock->loc.gfid) == 0)
- subvol = lock->xl;
- else {
- lock = local->rename_inodelk_backward_compatible[1];
- subvol = lock->xl;
- }
- } else {
- subvol = this;
- }
-
- STACK_WIND_COOKIE (frame, dht_rename_lookup_cbk,
- (void *)(long)i, subvol,
- subvol->fops->lookup,
- (i == 0) ? &local->loc : &local->loc2_copy,
- xattr_req);
- }
-
- dict_unref (xattr_req);
- return 0;
+ dict_unref(xattr_req);
+ return 0;
done:
- /* Its fine to call unlock even when no locks are acquired, as we check
- * for lock->locked before winding a unlock call.
- */
- dht_rename_unlock (frame, this);
+ /* Its fine to call unlock even when no locks are acquired, as we check
+ * for lock->locked before winding a unlock call.
+ */
+ dht_rename_unlock(frame, this);
- if (xattr_req)
- dict_unref (xattr_req);
+ if (xattr_req)
+ dict_unref(xattr_req);
- return 0;
+ return 0;
}
int
-dht_rename_lock (call_frame_t *frame)
+dht_rename_lock(call_frame_t *frame)
{
- dht_local_t *local = NULL;
- int count = 1, ret = -1;
- dht_lock_t **lk_array = NULL;
-
- local = frame->local;
-
- if (local->dst_cached)
- count++;
-
- lk_array = GF_CALLOC (count, sizeof (*lk_array),
- gf_common_mt_pointer);
- if (lk_array == NULL)
- goto err;
-
- lk_array[0] = dht_lock_new (frame->this, local->src_cached, &local->loc,
- F_WRLCK, DHT_FILE_MIGRATE_DOMAIN, NULL,
- FAIL_ON_ANY_ERROR);
- if (lk_array[0] == NULL)
- goto err;
-
- if (local->dst_cached) {
- /* dst might be removed by the time inodelk reaches bricks,
- * which can result in ESTALE errors. POSIX imposes no
- * restriction for dst to be present for renames to be
- * successful. So, we'll ignore ESTALE errors. As far as
- * synchronization on dst goes, we'll achieve the same by
- * holding entrylk on parent directory of dst in the namespace
- * of basename(dst). Also, there might not be quorum in cluster
- * xlators like EC/disperse on errno, in which case they return
- * EIO. For eg., in a disperse (4 + 2), 3 might return success
- * and three might return ESTALE. Disperse, having no Quorum
- * unwinds inodelk with EIO. So, ignore EIO too.
- */
- lk_array[1] = dht_lock_new (frame->this, local->dst_cached,
- &local->loc2, F_WRLCK,
- DHT_FILE_MIGRATE_DOMAIN, NULL,
- IGNORE_ENOENT_ESTALE_EIO);
- if (lk_array[1] == NULL)
- goto err;
- }
-
- local->rename_inodelk_backward_compatible = lk_array;
- local->rename_inodelk_bc_count = count;
-
- /* retaining inodelks for the sake of backward compatibility. Please
- * make sure to remove this inodelk once all of 3.10, 3.12 and 3.13
- * reach EOL. Better way of getting synchronization would be to acquire
- * entrylks on src and dst parent directories in the namespace of
- * basenames of src and dst
+ dht_local_t *local = NULL;
+ int count = 1, ret = -1;
+ dht_lock_t **lk_array = NULL;
+
+ local = frame->local;
+
+ if (local->dst_cached)
+ count++;
+
+ lk_array = GF_CALLOC(count, sizeof(*lk_array), gf_common_mt_pointer);
+ if (lk_array == NULL)
+ goto err;
+
+ lk_array[0] = dht_lock_new(frame->this, local->src_cached, &local->loc,
+ F_WRLCK, DHT_FILE_MIGRATE_DOMAIN, NULL,
+ FAIL_ON_ANY_ERROR);
+ if (lk_array[0] == NULL)
+ goto err;
+
+ if (local->dst_cached) {
+ /* dst might be removed by the time inodelk reaches bricks,
+ * which can result in ESTALE errors. POSIX imposes no
+ * restriction for dst to be present for renames to be
+ * successful. So, we'll ignore ESTALE errors. As far as
+ * synchronization on dst goes, we'll achieve the same by
+ * holding entrylk on parent directory of dst in the namespace
+ * of basename(dst). Also, there might not be quorum in cluster
+ * xlators like EC/disperse on errno, in which case they return
+ * EIO. For eg., in a disperse (4 + 2), 3 might return success
+ * and three might return ESTALE. Disperse, having no Quorum
+ * unwinds inodelk with EIO. So, ignore EIO too.
*/
- ret = dht_blocking_inodelk (frame, lk_array, count,
- dht_rename_file_protect_namespace);
- if (ret < 0) {
- local->rename_inodelk_backward_compatible = NULL;
- local->rename_inodelk_bc_count = 0;
- goto err;
- }
-
- return 0;
+ lk_array[1] = dht_lock_new(frame->this, local->dst_cached, &local->loc2,
+ F_WRLCK, DHT_FILE_MIGRATE_DOMAIN, NULL,
+ IGNORE_ENOENT_ESTALE_EIO);
+ if (lk_array[1] == NULL)
+ goto err;
+ }
+
+ local->rename_inodelk_backward_compatible = lk_array;
+ local->rename_inodelk_bc_count = count;
+
+ /* retaining inodelks for the sake of backward compatibility. Please
+ * make sure to remove this inodelk once all of 3.10, 3.12 and 3.13
+ * reach EOL. Better way of getting synchronization would be to acquire
+ * entrylks on src and dst parent directories in the namespace of
+ * basenames of src and dst
+ */
+ ret = dht_blocking_inodelk(frame, lk_array, count,
+ dht_rename_file_protect_namespace);
+ if (ret < 0) {
+ local->rename_inodelk_backward_compatible = NULL;
+ local->rename_inodelk_bc_count = 0;
+ goto err;
+ }
+
+ return 0;
err:
- if (lk_array != NULL) {
- int tmp_count = 0, i = 0;
+ if (lk_array != NULL) {
+ int tmp_count = 0, i = 0;
- for (i = 0; (i < count) && (lk_array[i]); i++, tmp_count++);
+ for (i = 0; (i < count) && (lk_array[i]); i++, tmp_count++)
+ ;
- dht_lock_array_free (lk_array, tmp_count);
- GF_FREE (lk_array);
- }
+ dht_lock_array_free(lk_array, tmp_count);
+ GF_FREE(lk_array);
+ }
- return -1;
+ return -1;
}
int
-dht_rename (call_frame_t *frame, xlator_t *this,
- loc_t *oldloc, loc_t *newloc, dict_t *xdata)
+dht_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata)
{
- xlator_t *src_cached = NULL;
- xlator_t *src_hashed = NULL;
- xlator_t *dst_cached = NULL;
- xlator_t *dst_hashed = NULL;
- int op_errno = -1;
- int ret = -1;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- char newgfid[GF_UUID_BUF_SIZE] = {0};
- gf_boolean_t free_xdata = _gf_false;
-
- VALIDATE_OR_GOTO (frame, err);
- VALIDATE_OR_GOTO (this, err);
- VALIDATE_OR_GOTO (oldloc, err);
- VALIDATE_OR_GOTO (newloc, err);
-
- conf = this->private;
-
- if (conf->subvolume_cnt == 1) {
- if (!IA_ISDIR (oldloc->inode->ia_type)) {
- if (!xdata) {
- free_xdata = _gf_true;
- }
- DHT_CHANGELOG_TRACK_AS_RENAME(xdata, oldloc, newloc);
- }
- default_rename (frame, this, oldloc, newloc, xdata);
- if (free_xdata && xdata) {
- dict_unref(xdata);
- xdata = NULL;
- }
- return 0;
- }
-
- gf_uuid_unparse(oldloc->inode->gfid, gfid);
-
- src_hashed = dht_subvol_get_hashed (this, oldloc);
- if (!src_hashed) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_RENAME_FAILED,
- "No hashed subvolume in layout for path=%s,"
- "(gfid = %s)", oldloc->path, gfid);
- op_errno = EINVAL;
- goto err;
- }
-
- src_cached = dht_subvol_get_cached (this, oldloc->inode);
- if (!src_cached) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_RENAME_FAILED,
- "No cached subvolume for path = %s,"
- "(gfid = %s)", oldloc->path, gfid);
-
- op_errno = EINVAL;
- goto err;
- }
-
- dst_hashed = dht_subvol_get_hashed (this, newloc);
- if (!dst_hashed) {
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_RENAME_FAILED,
- "No hashed subvolume in layout for path=%s",
- newloc->path);
- op_errno = EINVAL;
- goto err;
- }
-
- if (newloc->inode)
- dst_cached = dht_subvol_get_cached (this, newloc->inode);
-
- local = dht_local_init (frame, oldloc, NULL, GF_FOP_RENAME);
- if (!local) {
- op_errno = ENOMEM;
- goto err;
- }
- /* cached_subvol will be set from dht_local_init, reset it to NULL,
- as the logic of handling rename is different */
- local->cached_subvol = NULL;
-
- ret = loc_copy (&local->loc2, newloc);
- if (ret == -1) {
- op_errno = ENOMEM;
- goto err;
- }
-
- local->src_hashed = src_hashed;
- local->src_cached = src_cached;
- local->dst_hashed = dst_hashed;
- local->dst_cached = dst_cached;
- if (xdata)
- local->xattr_req = dict_ref (xdata);
-
- if (newloc->inode)
- gf_uuid_unparse(newloc->inode->gfid, newgfid);
-
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_RENAME_INFO,
- "renaming %s (%s) (hash=%s/cache=%s) => %s (%s) "
- "(hash=%s/cache=%s) ",
- oldloc->path, gfid, src_hashed->name, src_cached->name,
- newloc->path, newloc->inode ? newgfid : NULL, dst_hashed->name,
- dst_cached ? dst_cached->name : "<nul>");
-
- if (IA_ISDIR (oldloc->inode->ia_type)) {
- dht_rename_dir (frame, this);
- } else {
- local->op_ret = 0;
- ret = dht_rename_lock (frame);
- if (ret < 0) {
- op_errno = ENOMEM;
- goto err;
- }
+ xlator_t *src_cached = NULL;
+ xlator_t *src_hashed = NULL;
+ xlator_t *dst_cached = NULL;
+ xlator_t *dst_hashed = NULL;
+ int op_errno = -1;
+ int ret = -1;
+ dht_local_t *local = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ char newgfid[GF_UUID_BUF_SIZE] = {0};
+
+ VALIDATE_OR_GOTO(frame, err);
+ VALIDATE_OR_GOTO(this, err);
+ VALIDATE_OR_GOTO(oldloc, err);
+ VALIDATE_OR_GOTO(newloc, err);
+
+ gf_uuid_unparse(oldloc->inode->gfid, gfid);
+
+ src_hashed = dht_subvol_get_hashed(this, oldloc);
+ if (!src_hashed) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_RENAME_FAILED,
+ "No hashed subvolume in layout for path=%s,"
+ "(gfid = %s)",
+ oldloc->path, gfid);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ src_cached = dht_subvol_get_cached(this, oldloc->inode);
+ if (!src_cached) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_RENAME_FAILED,
+ "No cached subvolume for path = %s,"
+ "(gfid = %s)",
+ oldloc->path, gfid);
+
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ dst_hashed = dht_subvol_get_hashed(this, newloc);
+ if (!dst_hashed) {
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_RENAME_FAILED,
+ "No hashed subvolume in layout for path=%s", newloc->path);
+ op_errno = EINVAL;
+ goto err;
+ }
+
+ if (newloc->inode)
+ dst_cached = dht_subvol_get_cached(this, newloc->inode);
+
+ local = dht_local_init(frame, oldloc, NULL, GF_FOP_RENAME);
+ if (!local) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+ /* cached_subvol will be set from dht_local_init, reset it to NULL,
+ as the logic of handling rename is different */
+ local->cached_subvol = NULL;
+
+ ret = loc_copy(&local->loc2, newloc);
+ if (ret == -1) {
+ op_errno = ENOMEM;
+ goto err;
+ }
+
+ local->src_hashed = src_hashed;
+ local->src_cached = src_cached;
+ local->dst_hashed = dst_hashed;
+ local->dst_cached = dst_cached;
+ if (xdata)
+ local->xattr_req = dict_ref(xdata);
+
+ if (newloc->inode)
+ gf_uuid_unparse(newloc->inode->gfid, newgfid);
+
+ gf_msg(this->name, GF_LOG_INFO, 0, DHT_MSG_RENAME_INFO,
+ "renaming %s (%s) (hash=%s/cache=%s) => %s (%s) "
+ "(hash=%s/cache=%s) ",
+ oldloc->path, gfid, src_hashed->name, src_cached->name, newloc->path,
+ newloc->inode ? newgfid : NULL, dst_hashed->name,
+ dst_cached ? dst_cached->name : "<nul>");
+
+ if (IA_ISDIR(oldloc->inode->ia_type)) {
+ dht_rename_dir(frame, this);
+ } else {
+ local->op_ret = 0;
+ ret = dht_rename_lock(frame);
+ if (ret < 0) {
+ op_errno = ENOMEM;
+ goto err;
}
+ }
- return 0;
+ return 0;
err:
- op_errno = (op_errno == -1) ? errno : op_errno;
- DHT_STACK_UNWIND (rename, frame, -1, op_errno, NULL, NULL, NULL, NULL,
- NULL, NULL);
+ op_errno = (op_errno == -1) ? errno : op_errno;
+ DHT_STACK_UNWIND(rename, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL,
+ NULL);
- return 0;
+ return 0;
+}
+
+int
+dht_pt_rename(call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc,
+ dict_t *xdata)
+{
+ gf_boolean_t free_xdata = _gf_false;
+
+ /* Just a pass through */
+ if (!IA_ISDIR(oldloc->inode->ia_type)) {
+ if (!xdata) {
+ free_xdata = _gf_true;
+ }
+ DHT_CHANGELOG_TRACK_AS_RENAME(xdata, oldloc, newloc);
+ }
+ default_rename(frame, this, oldloc, newloc, xdata);
+ if (free_xdata && xdata) {
+ dict_unref(xdata);
+ xdata = NULL;
+ }
+ return 0;
}
diff --git a/xlators/cluster/dht/src/dht-selfheal.c b/xlators/cluster/dht/src/dht-selfheal.c
index 5d5c8e86ddf..3e24065227c 100644
--- a/xlators/cluster/dht/src/dht-selfheal.c
+++ b/xlators/cluster/dht/src/dht-selfheal.c
@@ -8,2744 +8,2531 @@
cases as published by the Free Software Foundation.
*/
-
-#include "glusterfs.h"
-#include "xlator.h"
-#include "dht-common.h"
-#include "dht-messages.h"
#include "dht-lock.h"
-#include "glusterfs-acl.h"
-
-#define DHT_SET_LAYOUT_RANGE(layout,i,srt,chunk,path) do { \
- layout->list[i].start = srt; \
- layout->list[i].stop = srt + chunk - 1; \
- layout->list[i].commit_hash = layout->commit_hash; \
- \
- gf_msg_trace (this->name, 0, \
- "gave fix: %u - %u, with commit-hash %u" \
- " on %s for %s", \
- layout->list[i].start, \
- layout->list[i].stop, \
- layout->list[i].commit_hash, \
- layout->list[i].xlator->name, path); \
- } while (0)
-
-#define DHT_RESET_LAYOUT_RANGE(layout) do { \
- int cnt = 0; \
- for (cnt = 0; cnt < layout->cnt; cnt++ ) { \
- layout->list[cnt].start = 0; \
- layout->list[cnt].stop = 0; \
- } \
- } while (0)
-int
-dht_selfheal_layout_lock (call_frame_t *frame, dht_layout_t *layout,
- gf_boolean_t newdir,
- dht_selfheal_layout_t healer,
- dht_need_heal_t should_heal);
+#define DHT_SET_LAYOUT_RANGE(layout, i, srt, chunk, path) \
+ do { \
+ layout->list[i].start = srt; \
+ layout->list[i].stop = srt + chunk - 1; \
+ layout->list[i].commit_hash = layout->commit_hash; \
+ \
+ gf_msg_trace(this->name, 0, \
+ "gave fix: 0x%x - 0x%x, with commit-hash 0x%x" \
+ " on %s for %s", \
+ layout->list[i].start, layout->list[i].stop, \
+ layout->list[i].commit_hash, \
+ layout->list[i].xlator->name, path); \
+ } while (0)
+
+#define DHT_RESET_LAYOUT_RANGE(layout) \
+ do { \
+ int cnt = 0; \
+ for (cnt = 0; cnt < layout->cnt; cnt++) { \
+ layout->list[cnt].start = 0; \
+ layout->list[cnt].stop = 0; \
+ } \
+ } while (0)
+
+static int
+dht_selfheal_layout_lock(call_frame_t *frame, dht_layout_t *layout,
+ gf_boolean_t newdir, dht_selfheal_layout_t healer,
+ dht_need_heal_t should_heal);
static uint32_t
-dht_overlap_calc (dht_layout_t *old, int o, dht_layout_t *new, int n)
+dht_overlap_calc(dht_layout_t *old, int o, dht_layout_t *new, int n)
{
- if (o >= old->cnt || n >= new->cnt)
- return 0;
+ if (o >= old->cnt || n >= new->cnt)
+ return 0;
- if (old->list[o].err > 0 || new->list[n].err > 0)
- return 0;
+ if (old->list[o].err > 0 || new->list[n].err > 0)
+ return 0;
- if (old->list[o].start == old->list[o].stop) {
- return 0;
- }
+ if (old->list[o].start == old->list[o].stop) {
+ return 0;
+ }
- if (new->list[n].start == new->list[n].stop) {
- return 0;
- }
+ if (new->list[n].start == new->list[n].stop) {
+ return 0;
+ }
- if ((old->list[o].start > new->list[n].stop) ||
- (old->list[o].stop < new->list[n].start))
- return 0;
+ if ((old->list[o].start > new->list[n].stop) ||
+ (old->list[o].stop < new->list[n].start))
+ return 0;
- return min (old->list[o].stop, new->list[n].stop) -
- max (old->list[o].start, new->list[n].start) + 1;
+ return min(old->list[o].stop, new->list[n].stop) -
+ max(old->list[o].start, new->list[n].start) + 1;
}
int
-dht_selfheal_unlock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_selfheal_unlock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- DHT_STACK_DESTROY (frame);
- return 0;
+ DHT_STACK_DESTROY(frame);
+ return 0;
}
int
-dht_selfheal_dir_finish (call_frame_t *frame, xlator_t *this, int ret,
- int invoke_cbk)
+dht_selfheal_dir_finish(call_frame_t *frame, xlator_t *this, int ret,
+ int invoke_cbk)
{
- dht_local_t *local = NULL, *lock_local = NULL;
- call_frame_t *lock_frame = NULL;
- int lock_count = 0;
+ dht_local_t *local = NULL, *lock_local = NULL;
+ call_frame_t *lock_frame = NULL;
+ int lock_count = 0;
- local = frame->local;
+ local = frame->local;
- /* Unlock entrylk */
- dht_unlock_entrylk_wrapper (frame, &local->lock[0].ns.directory_ns);
+ /* Unlock entrylk */
+ dht_unlock_entrylk_wrapper(frame, &local->lock[0].ns.directory_ns);
- /* Unlock inodelk */
- lock_count = dht_lock_count (local->lock[0].ns.parent_layout.locks,
- local->lock[0].ns.parent_layout.lk_count);
- if (lock_count == 0)
- goto done;
+ /* Unlock inodelk */
+ lock_count = dht_lock_count(local->lock[0].ns.parent_layout.locks,
+ local->lock[0].ns.parent_layout.lk_count);
+ if (lock_count == 0)
+ goto done;
- lock_frame = copy_frame (frame);
- if (lock_frame == NULL) {
- goto done;
- }
+ lock_frame = copy_frame(frame);
+ if (lock_frame == NULL) {
+ goto done;
+ }
- lock_local = dht_local_init (lock_frame, &local->loc, NULL,
- lock_frame->root->op);
- if (lock_local == NULL) {
- goto done;
- }
+ lock_local = dht_local_init(lock_frame, &local->loc, NULL,
+ lock_frame->root->op);
+ if (lock_local == NULL) {
+ goto done;
+ }
- lock_local->lock[0].ns.parent_layout.locks = local->lock[0].ns.parent_layout.locks;
- lock_local->lock[0].ns.parent_layout.lk_count = local->lock[0].ns.parent_layout.lk_count;
+ lock_local->lock[0].ns.parent_layout.locks = local->lock[0]
+ .ns.parent_layout.locks;
+ lock_local->lock[0]
+ .ns.parent_layout.lk_count = local->lock[0].ns.parent_layout.lk_count;
- local->lock[0].ns.parent_layout.locks = NULL;
- local->lock[0].ns.parent_layout.lk_count = 0;
+ local->lock[0].ns.parent_layout.locks = NULL;
+ local->lock[0].ns.parent_layout.lk_count = 0;
- dht_unlock_inodelk (lock_frame,
- lock_local->lock[0].ns.parent_layout.locks,
- lock_local->lock[0].ns.parent_layout.lk_count,
- dht_selfheal_unlock_cbk);
- lock_frame = NULL;
+ dht_unlock_inodelk(lock_frame, lock_local->lock[0].ns.parent_layout.locks,
+ lock_local->lock[0].ns.parent_layout.lk_count,
+ dht_selfheal_unlock_cbk);
+ lock_frame = NULL;
done:
- if (invoke_cbk)
- local->selfheal.dir_cbk (frame, NULL, frame->this, ret,
- local->op_errno, NULL);
- if (lock_frame != NULL) {
- DHT_STACK_DESTROY (lock_frame);
- }
+ if (invoke_cbk)
+ local->selfheal.dir_cbk(frame, NULL, frame->this, ret, local->op_errno,
+ NULL);
+ if (lock_frame != NULL) {
+ DHT_STACK_DESTROY(lock_frame);
+ }
- return 0;
+ return 0;
}
int
-dht_refresh_layout_done (call_frame_t *frame)
+dht_refresh_layout_done(call_frame_t *frame)
{
- int ret = -1;
- dht_layout_t *refreshed = NULL, *heal = NULL;
- dht_local_t *local = NULL;
- dht_need_heal_t should_heal = NULL;
- dht_selfheal_layout_t healer = NULL;
+ int ret = -1;
+ dht_layout_t *refreshed = NULL, *heal = NULL;
+ dht_local_t *local = NULL;
+ dht_need_heal_t should_heal = NULL;
+ dht_selfheal_layout_t healer = NULL;
- local = frame->local;
+ local = frame->local;
- refreshed = local->selfheal.refreshed_layout;
- heal = local->selfheal.layout;
+ refreshed = local->selfheal.refreshed_layout;
+ heal = local->selfheal.layout;
- healer = local->selfheal.healer;
- should_heal = local->selfheal.should_heal;
+ healer = local->selfheal.healer;
+ should_heal = local->selfheal.should_heal;
- ret = dht_layout_sort (refreshed);
- if (ret == -1) {
- gf_msg (frame->this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_SORT_FAILED,
- "sorting the layout failed");
- goto err;
- }
+ ret = dht_layout_sort(refreshed);
+ if (ret == -1) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_LAYOUT_SORT_FAILED, NULL);
+ goto err;
+ }
- if (should_heal (frame, &heal, &refreshed)) {
- healer (frame, &local->loc, heal);
- } else {
- local->selfheal.layout = NULL;
- local->selfheal.refreshed_layout = NULL;
- local->selfheal.layout = refreshed;
+ if (should_heal(frame, &heal, &refreshed)) {
+ healer(frame, &local->loc, heal);
+ } else {
+ local->selfheal.layout = NULL;
+ local->selfheal.refreshed_layout = NULL;
+ local->selfheal.layout = refreshed;
- dht_layout_unref (frame->this, heal);
+ dht_layout_unref(frame->this, heal);
- dht_selfheal_dir_finish (frame, frame->this, 0, 1);
- }
+ dht_selfheal_dir_finish(frame, frame->this, 0, 1);
+ }
- return 0;
+ return 0;
err:
- dht_selfheal_dir_finish (frame, frame->this, -1, 1);
- return 0;
+ dht_selfheal_dir_finish(frame, frame->this, -1, 1);
+ return 0;
}
int
-dht_refresh_layout_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, inode_t *inode,
- struct iatt *stbuf, dict_t *xattr,
- struct iatt *postparent)
+dht_refresh_layout_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, dict_t *xattr,
+ struct iatt *postparent)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
- xlator_t *prev = NULL;
- dht_layout_t *layout = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0,};
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO ("dht", this, err);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, err);
- GF_VALIDATE_OR_GOTO ("dht", this->private, err);
-
- local = frame->local;
- prev = cookie;
-
- layout = local->selfheal.refreshed_layout;
-
- LOCK (&frame->lock);
- {
- op_ret = dht_layout_merge (this, layout, prev,
- op_ret, op_errno, xattr);
-
- dht_iatt_merge (this, &local->stbuf, stbuf);
-
- if (op_ret == -1) {
- gf_uuid_unparse (local->loc.gfid, gfid);
- local->op_errno = op_errno;
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_FILE_LOOKUP_FAILED,
- "lookup of %s on %s returned error, gfid: %s",
- local->loc.path, prev->name, gfid);
-
- goto unlock;
- }
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
+ xlator_t *prev = NULL;
+ dht_layout_t *layout = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {
+ 0,
+ };
+
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO("dht", this, err);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, err);
+ GF_VALIDATE_OR_GOTO("dht", this->private, err);
- local->op_ret = 0;
+ local = frame->local;
+ prev = cookie;
+
+ layout = local->selfheal.refreshed_layout;
+
+ LOCK(&frame->lock);
+ {
+ op_ret = dht_layout_merge(this, layout, prev, op_ret, op_errno, xattr);
+
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+
+ if (op_ret == -1) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ local->op_errno = op_errno;
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_FILE_LOOKUP_FAILED, "path=%s", local->loc.path,
+ "name=%s", prev->name, "gfid=%s", gfid, NULL);
+
+ goto unlock;
}
-unlock:
- UNLOCK (&frame->lock);
- this_call_cnt = dht_frame_return (frame);
+ local->op_ret = 0;
+ }
+unlock:
+ UNLOCK(&frame->lock);
- if (is_last_call (this_call_cnt)) {
- if (local->op_ret == 0) {
- local->refresh_layout_done (frame);
- } else {
- goto err;
- }
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt)) {
+ if (local->op_ret == 0) {
+ local->refresh_layout_done(frame);
+ } else {
+ goto err;
}
+ }
- return 0;
+ return 0;
err:
- if (local) {
- local->refresh_layout_unlock (frame, this, -1, 1);
- }
- return 0;
+ if (local) {
+ local->refresh_layout_unlock(frame, this, -1, 1);
+ }
+ return 0;
}
int
-dht_refresh_layout (call_frame_t *frame)
+dht_refresh_layout(call_frame_t *frame)
{
- int call_cnt = 0;
- int i = 0, ret = -1;
- dht_conf_t *conf = NULL;
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0,};
-
- GF_VALIDATE_OR_GOTO ("dht", frame, out);
- GF_VALIDATE_OR_GOTO ("dht", frame->local, out);
-
- this = frame->this;
- conf = this->private;
- local = frame->local;
-
- call_cnt = conf->subvolume_cnt;
- local->call_cnt = call_cnt;
- local->op_ret = -1;
-
- if (local->selfheal.refreshed_layout) {
- dht_layout_unref (this, local->selfheal.refreshed_layout);
- local->selfheal.refreshed_layout = NULL;
- }
-
- local->selfheal.refreshed_layout = dht_layout_new (this,
- conf->subvolume_cnt);
- if (!local->selfheal.refreshed_layout) {
- gf_uuid_unparse (local->loc.gfid, gfid);
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
- "mem allocation for layout failed, path:%s gfid:%s",
- local->loc.path, gfid);
- goto out;
- }
+ int call_cnt = 0;
+ int i = 0, ret = -1;
+ dht_conf_t *conf = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {
+ 0,
+ };
+
+ GF_VALIDATE_OR_GOTO("dht", frame, out);
+ GF_VALIDATE_OR_GOTO("dht", frame->local, out);
+
+ this = frame->this;
+ conf = this->private;
+ local = frame->local;
+
+ call_cnt = conf->subvolume_cnt;
+ local->call_cnt = call_cnt;
+ local->op_ret = -1;
+
+ if (local->selfheal.refreshed_layout) {
+ dht_layout_unref(this, local->selfheal.refreshed_layout);
+ local->selfheal.refreshed_layout = NULL;
+ }
+
+ local->selfheal.refreshed_layout = dht_layout_new(this,
+ conf->subvolume_cnt);
+ if (!local->selfheal.refreshed_layout) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ gf_smsg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_MEM_ALLOC_FAILED,
+ "path=%s", local->loc.path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
- if (local->xattr != NULL) {
- dict_del (local->xattr, conf->xattr_name);
- }
+ if (local->xattr != NULL) {
+ dict_del(local->xattr, conf->xattr_name);
+ }
+ if (local->xattr_req == NULL) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ local->xattr_req = dict_new();
if (local->xattr_req == NULL) {
- gf_uuid_unparse (local->loc.gfid, gfid);
- local->xattr_req = dict_new ();
- if (local->xattr_req == NULL) {
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY,
- "dict mem allocation failed, path:%s gfid:%s",
- local->loc.path, gfid);
- goto out;
- }
+ gf_smsg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
+ "path=%s", local->loc.path, "gfid=%s", gfid, NULL);
+ goto out;
}
+ }
- if (dict_get (local->xattr_req, conf->xattr_name) == 0) {
- ret = dict_set_uint32 (local->xattr_req, conf->xattr_name,
- 4 * 4);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value:key = %s",
- local->loc.path, conf->xattr_name);
- }
+ if (dict_get(local->xattr_req, conf->xattr_name) == 0) {
+ ret = dict_set_uint32(local->xattr_req, conf->xattr_name, 4 * 4);
+ if (ret)
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", local->loc.path, "key=%s", conf->xattr_name,
+ NULL);
+ }
- for (i = 0; i < call_cnt; i++) {
- STACK_WIND_COOKIE (frame, dht_refresh_layout_cbk,
- conf->subvolumes[i], conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- &local->loc, local->xattr_req);
- }
+ for (i = 0; i < call_cnt; i++) {
+ STACK_WIND_COOKIE(frame, dht_refresh_layout_cbk, conf->subvolumes[i],
+ conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, &local->loc,
+ local->xattr_req);
+ }
- return 0;
+ return 0;
out:
- if (local) {
- local->refresh_layout_unlock (frame, this, -1, 1);
- }
- return 0;
+ if (local) {
+ local->refresh_layout_unlock(frame, this, -1, 1);
+ }
+ return 0;
}
-
int32_t
-dht_selfheal_layout_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *xdata)
+dht_selfheal_layout_lock_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- if (!local) {
- goto err;
- }
+ if (!local) {
+ goto err;
+ }
- if (op_ret < 0) {
- local->op_errno = op_errno;
- goto err;
- }
+ if (op_ret < 0) {
+ local->op_errno = op_errno;
+ goto err;
+ }
- local->refresh_layout_unlock = dht_selfheal_dir_finish;
- local->refresh_layout_done = dht_refresh_layout_done;
+ local->refresh_layout_unlock = dht_selfheal_dir_finish;
+ local->refresh_layout_done = dht_refresh_layout_done;
- dht_refresh_layout (frame);
- return 0;
+ dht_refresh_layout(frame);
+ return 0;
err:
- dht_selfheal_dir_finish (frame, this, -1, 1);
- return 0;
+ dht_selfheal_dir_finish(frame, this, -1, 1);
+ return 0;
}
-
gf_boolean_t
-dht_should_heal_layout (call_frame_t *frame, dht_layout_t **heal,
- dht_layout_t **ondisk)
+dht_should_heal_layout(call_frame_t *frame, dht_layout_t **heal,
+ dht_layout_t **ondisk)
{
- gf_boolean_t fixit = _gf_true;
- dht_local_t *local = NULL;
- int ret = -1, heal_missing_dirs = 0;
-
- local = frame->local;
-
- if ((heal == NULL) || (*heal == NULL) || (ondisk == NULL)
- || (*ondisk == NULL))
- goto out;
-
- ret = dht_layout_anomalies (frame->this, &local->loc, *ondisk,
- &local->selfheal.hole_cnt,
- &local->selfheal.overlaps_cnt,
- &local->selfheal.missing_cnt,
- &local->selfheal.down,
- &local->selfheal.misc, NULL);
-
- if (ret < 0)
- goto out;
-
- /* Directories might've been created as part of this self-heal. We've to
- * sync non-layout xattrs and set range 0-0 on new directories
+ gf_boolean_t fixit = _gf_true;
+ dht_local_t *local = NULL;
+ int heal_missing_dirs = 0;
+
+ local = frame->local;
+
+ if ((heal == NULL) || (*heal == NULL) || (ondisk == NULL) ||
+ (*ondisk == NULL))
+ goto out;
+
+ dht_layout_anomalies(
+ frame->this, &local->loc, *ondisk, &local->selfheal.hole_cnt,
+ &local->selfheal.overlaps_cnt, &local->selfheal.missing_cnt,
+ &local->selfheal.down, &local->selfheal.misc, NULL);
+
+ /* Directories might've been created as part of this self-heal. We've to
+ * sync non-layout xattrs and set range 0-0 on new directories
+ */
+ heal_missing_dirs = local->selfheal.force_mkdir
+ ? local->selfheal.force_mkdir
+ : dht_layout_missing_dirs(*heal);
+
+ if ((local->selfheal.hole_cnt == 0) &&
+ (local->selfheal.overlaps_cnt == 0) && heal_missing_dirs) {
+ dht_layout_t *tmp = NULL;
+
+ /* Just added a brick and need to set 0-0 range on this brick.
+ * But ondisk layout is well-formed. So, swap layouts "heal" and
+ * "ondisk". Now "ondisk" layout will be used for healing
+ * xattrs. If there are any non-participating subvols in
+ * "ondisk" layout, dht_selfheal_dir_xattr_persubvol will set
+ * 0-0 and non-layout xattrs. This way we won't end up in
+ * "corrupting" already set and well-formed "ondisk" layout.
*/
- heal_missing_dirs = local->selfheal.force_mkdir
- ? local->selfheal.force_mkdir : dht_layout_missing_dirs (*heal);
-
- if ((local->selfheal.hole_cnt == 0)
- && (local->selfheal.overlaps_cnt == 0) && heal_missing_dirs) {
- dht_layout_t *tmp = NULL;
-
- /* Just added a brick and need to set 0-0 range on this brick.
- * But ondisk layout is well-formed. So, swap layouts "heal" and
- * "ondisk". Now "ondisk" layout will be used for healing
- * xattrs. If there are any non-participating subvols in
- * "ondisk" layout, dht_selfheal_dir_xattr_persubvol will set
- * 0-0 and non-layout xattrs. This way we won't end up in
- * "corrupting" already set and well-formed "ondisk" layout.
- */
- tmp = *heal;
- *heal = *ondisk;
- *ondisk = tmp;
-
- /* Current selfheal code, heals non-layout xattrs only after
- * an add-brick. In fact non-layout xattrs are considered as
- * secondary citizens which are healed only if layout xattrs
- * need to be healed. This is wrong, since for eg., quota can be
- * set when layout is well-formed, but a node is down. Also,
- * just for healing non-layout xattrs, we don't need locking.
- * This issue is _NOT FIXED_ by this patch.
- */
- }
+ tmp = *heal;
+ *heal = *ondisk;
+ *ondisk = tmp;
+
+ /* Current selfheal code, heals non-layout xattrs only after
+ * an add-brick. In fact non-layout xattrs are considered as
+ * secondary citizens which are healed only if layout xattrs
+ * need to be healed. This is wrong, since for eg., quota can be
+ * set when layout is well-formed, but a node is down. Also,
+ * just for healing non-layout xattrs, we don't need locking.
+ * This issue is _NOT FIXED_ by this patch.
+ */
+ }
- fixit = (local->selfheal.hole_cnt || local->selfheal.overlaps_cnt
- || heal_missing_dirs);
+ fixit = (local->selfheal.hole_cnt || local->selfheal.overlaps_cnt ||
+ heal_missing_dirs);
out:
- return fixit;
+ return fixit;
}
int
-dht_layout_span (dht_layout_t *layout)
+dht_layout_span(dht_layout_t *layout)
{
- int i = 0, count = 0;
+ int i = 0, count = 0;
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].err)
- continue;
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].err)
+ continue;
- if (layout->list[i].start != layout->list[i].stop)
- count++;
- }
+ if (layout->list[i].start != layout->list[i].stop)
+ count++;
+ }
- return count;
+ return count;
}
int
-dht_decommissioned_bricks_in_layout (xlator_t *this, dht_layout_t *layout)
+dht_decommissioned_bricks_in_layout(xlator_t *this, dht_layout_t *layout)
{
- dht_conf_t *conf = NULL;
- int count = 0, i = 0, j = 0;
+ dht_conf_t *conf = NULL;
+ int count = 0, i = 0, j = 0;
- if ((this == NULL) || (layout == NULL))
- goto out;
+ if ((this == NULL) || (layout == NULL))
+ goto out;
- conf = this->private;
+ conf = this->private;
- for (i = 0; i < layout->cnt; i++) {
- for (j = 0; j < conf->subvolume_cnt; j++) {
- if (conf->decommissioned_bricks[j] &&
- conf->decommissioned_bricks[j]
- == layout->list[i].xlator) {
- count++;
- }
- }
+ for (i = 0; i < layout->cnt; i++) {
+ for (j = 0; j < conf->subvolume_cnt; j++) {
+ if (conf->decommissioned_bricks[j] &&
+ conf->decommissioned_bricks[j] == layout->list[i].xlator) {
+ count++;
+ }
}
+ }
out:
- return count;
+ return count;
}
dht_distribution_type_t
-dht_distribution_type (xlator_t *this, dht_layout_t *layout)
+dht_distribution_type(xlator_t *this, dht_layout_t *layout)
{
- dht_distribution_type_t type = GF_DHT_EQUAL_DISTRIBUTION;
- int i = 0;
- uint32_t start_range = 0, range = 0, diff = 0;
+ dht_distribution_type_t type = GF_DHT_EQUAL_DISTRIBUTION;
+ int i = 0;
+ uint32_t start_range = 0, range = 0, diff = 0;
- if ((this == NULL) || (layout == NULL) || (layout->cnt < 1)) {
- goto out;
- }
+ if ((this == NULL) || (layout == NULL) || (layout->cnt < 1)) {
+ goto out;
+ }
- for (i = 0; i < layout->cnt; i++) {
- if (start_range == 0) {
- start_range = layout->list[i].stop
- - layout->list[i].start;
- continue;
- }
+ for (i = 0; i < layout->cnt; i++) {
+ if (start_range == 0) {
+ start_range = layout->list[i].stop - layout->list[i].start;
+ continue;
+ }
- range = layout->list[i].stop - layout->list[i].start;
- diff = (range >= start_range)
- ? range - start_range
- : start_range - range;
+ range = layout->list[i].stop - layout->list[i].start;
+ diff = (range >= start_range) ? range - start_range
+ : start_range - range;
- if ((range != 0) && (diff > layout->cnt)) {
- type = GF_DHT_WEIGHTED_DISTRIBUTION;
- break;
- }
+ if ((range != 0) && (diff > layout->cnt)) {
+ type = GF_DHT_WEIGHTED_DISTRIBUTION;
+ break;
}
+ }
out:
- return type;
+ return type;
}
gf_boolean_t
-dht_should_fix_layout (call_frame_t *frame, dht_layout_t **inmem,
- dht_layout_t **ondisk)
+dht_should_fix_layout(call_frame_t *frame, dht_layout_t **inmem,
+ dht_layout_t **ondisk)
{
- gf_boolean_t fixit = _gf_true;
+ gf_boolean_t fixit = _gf_true;
- dht_local_t *local = NULL;
- int layout_span = 0;
- int decommissioned_bricks = 0;
- int ret = 0;
- dht_conf_t *conf = NULL;
- dht_distribution_type_t inmem_dist_type = 0;
- dht_distribution_type_t ondisk_dist_type = 0;
+ dht_local_t *local = NULL;
+ int layout_span = 0;
+ int decommissioned_bricks = 0;
+ dht_conf_t *conf = NULL;
+ dht_distribution_type_t inmem_dist_type = 0;
+ dht_distribution_type_t ondisk_dist_type = 0;
- conf = frame->this->private;
+ conf = frame->this->private;
- local = frame->local;
+ local = frame->local;
- if ((inmem == NULL) || (*inmem == NULL) || (ondisk == NULL)
- || (*ondisk == NULL))
- goto out;
+ if ((inmem == NULL) || (*inmem == NULL) || (ondisk == NULL) ||
+ (*ondisk == NULL))
+ goto out;
- ret = dht_layout_anomalies (frame->this, &local->loc, *ondisk,
- &local->selfheal.hole_cnt,
- &local->selfheal.overlaps_cnt, NULL,
- &local->selfheal.down,
- &local->selfheal.misc, NULL);
- if (ret < 0) {
- fixit = _gf_false;
- goto out;
- }
+ dht_layout_anomalies(frame->this, &local->loc, *ondisk,
+ &local->selfheal.hole_cnt,
+ &local->selfheal.overlaps_cnt, NULL,
+ &local->selfheal.down, &local->selfheal.misc, NULL);
- if (local->selfheal.down || local->selfheal.misc) {
- fixit = _gf_false;
- goto out;
- }
+ if (local->selfheal.down || local->selfheal.misc) {
+ fixit = _gf_false;
+ goto out;
+ }
- if (local->selfheal.hole_cnt || local->selfheal.overlaps_cnt)
- goto out;
+ if (local->selfheal.hole_cnt || local->selfheal.overlaps_cnt)
+ goto out;
- /* If commit hashes are being updated, let it through */
- if ((*inmem)->commit_hash != (*ondisk)->commit_hash)
- goto out;
+ /* If commit hashes are being updated, let it through */
+ if ((*inmem)->commit_hash != (*ondisk)->commit_hash)
+ goto out;
- layout_span = dht_layout_span (*ondisk);
+ layout_span = dht_layout_span(*ondisk);
- decommissioned_bricks
- = dht_decommissioned_bricks_in_layout (frame->this,
- *ondisk);
- inmem_dist_type = dht_distribution_type (frame->this, *inmem);
- ondisk_dist_type = dht_distribution_type (frame->this, *ondisk);
+ decommissioned_bricks = dht_decommissioned_bricks_in_layout(frame->this,
+ *ondisk);
+ inmem_dist_type = dht_distribution_type(frame->this, *inmem);
+ ondisk_dist_type = dht_distribution_type(frame->this, *ondisk);
- if ((decommissioned_bricks == 0)
- && (layout_span == (conf->subvolume_cnt
- - conf->decommission_subvols_cnt))
- && (inmem_dist_type == ondisk_dist_type))
- fixit = _gf_false;
+ if ((decommissioned_bricks == 0) &&
+ (layout_span ==
+ (conf->subvolume_cnt - conf->decommission_subvols_cnt)) &&
+ (inmem_dist_type == ondisk_dist_type))
+ fixit = _gf_false;
out:
- return fixit;
+ return fixit;
}
-int
-dht_selfheal_layout_lock (call_frame_t *frame, dht_layout_t *layout,
- gf_boolean_t newdir,
- dht_selfheal_layout_t healer,
- dht_need_heal_t should_heal)
+static int
+dht_selfheal_layout_lock(call_frame_t *frame, dht_layout_t *layout,
+ gf_boolean_t newdir, dht_selfheal_layout_t healer,
+ dht_need_heal_t should_heal)
{
- dht_local_t *local = NULL;
- int count = 1, ret = -1, i = 0;
- dht_lock_t **lk_array = NULL;
- dht_conf_t *conf = NULL;
- dht_layout_t *tmp = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- GF_VALIDATE_OR_GOTO ("dht", frame, err);
- GF_VALIDATE_OR_GOTO (frame->this->name, frame->local, err);
-
- local = frame->local;
-
- conf = frame->this->private;
-
- local->selfheal.healer = healer;
- local->selfheal.should_heal = should_heal;
-
- tmp = local->selfheal.layout;
- local->selfheal.layout = dht_layout_ref (frame->this, layout);
- dht_layout_unref (frame->this, tmp);
-
- if (!newdir) {
- count = conf->subvolume_cnt;
-
- lk_array = GF_CALLOC (count, sizeof (*lk_array),
- gf_common_mt_char);
- if (lk_array == NULL) {
- gf_uuid_unparse (local->stbuf.ia_gfid, gfid);
- gf_msg ("dht", GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "mem allocation failed for "
- "lk_array, gfid:%s path: %s", gfid,
- local->loc.path);
- goto err;
- }
+ dht_local_t *local = NULL;
+ int count = 1, ret = -1, i = 0;
+ dht_lock_t **lk_array = NULL;
+ dht_conf_t *conf = NULL;
+ dht_layout_t *tmp = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
- for (i = 0; i < count; i++) {
- lk_array[i] = dht_lock_new (frame->this,
- conf->subvolumes[i],
- &local->loc, F_WRLCK,
- DHT_LAYOUT_HEAL_DOMAIN,
- NULL,
- FAIL_ON_ANY_ERROR);
- if (lk_array[i] == NULL) {
- gf_uuid_unparse (local->stbuf.ia_gfid, gfid);
- gf_msg (THIS->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "mem allocation "
- "failed for lk_array, gfid:%s path:%s",
- gfid, local->loc.path);
- goto err;
- }
- }
- } else {
- count = 1;
- lk_array = GF_CALLOC (count, sizeof (*lk_array),
- gf_common_mt_char);
- if (lk_array == NULL) {
- gf_uuid_unparse (local->stbuf.ia_gfid, gfid);
- gf_msg (THIS->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "mem allocation failed for "
- "lk_array, gfid:%s path:%s",
- gfid, local->loc.path);
- goto err;
- }
+ GF_VALIDATE_OR_GOTO("dht", frame, err);
+ GF_VALIDATE_OR_GOTO(frame->this->name, frame->local, err);
- lk_array[0] = dht_lock_new (frame->this, local->hashed_subvol,
- &local->loc, F_WRLCK,
- DHT_LAYOUT_HEAL_DOMAIN, NULL,
- FAIL_ON_ANY_ERROR);
- if (lk_array[0] == NULL) {
- gf_uuid_unparse (local->stbuf.ia_gfid, gfid);
- gf_msg (THIS->name, GF_LOG_ERROR, ENOMEM,
- DHT_MSG_NO_MEMORY, "mem allocation failed for "
- "lk_array, gfid:%s path:%s", gfid,
- local->loc.path);
- goto err;
- }
- }
+ local = frame->local;
- local->lock[0].layout.my_layout.locks = lk_array;
- local->lock[0].layout.my_layout.lk_count = count;
+ conf = frame->this->private;
- ret = dht_blocking_inodelk (frame, lk_array, count,
- dht_selfheal_layout_lock_cbk);
- if (ret < 0) {
- local->lock[0].layout.my_layout.locks = NULL;
- local->lock[0].layout.my_layout.lk_count = 0;
- goto err;
+ local->selfheal.healer = healer;
+ local->selfheal.should_heal = should_heal;
+
+ tmp = local->selfheal.layout;
+ local->selfheal.layout = dht_layout_ref(frame->this, layout);
+ dht_layout_unref(frame->this, tmp);
+
+ if (!newdir) {
+ count = conf->subvolume_cnt;
+
+ lk_array = GF_CALLOC(count, sizeof(*lk_array), gf_common_mt_char);
+ if (lk_array == NULL) {
+ gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
+ gf_smsg("dht", GF_LOG_ERROR, ENOMEM, DHT_MSG_MEM_ALLOC_FAILED,
+ "lk_array-gfid=%s", gfid, "path=%s", local->loc.path, NULL);
+ goto err;
}
- return 0;
+ for (i = 0; i < count; i++) {
+ lk_array[i] = dht_lock_new(
+ frame->this, conf->subvolumes[i], &local->loc, F_WRLCK,
+ DHT_LAYOUT_HEAL_DOMAIN, NULL, FAIL_ON_ANY_ERROR);
+ if (lk_array[i] == NULL) {
+ gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
+ gf_smsg(THIS->name, GF_LOG_ERROR, ENOMEM,
+ DHT_MSG_MEM_ALLOC_FAILED, "lk_array-gfid=%s", gfid,
+ "path=%s", local->loc.path, NULL);
+ goto err;
+ }
+ }
+ } else {
+ count = 1;
+ lk_array = GF_CALLOC(count, sizeof(*lk_array), gf_common_mt_char);
+ if (lk_array == NULL) {
+ gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
+ gf_smsg(THIS->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_MEM_ALLOC_FAILED,
+ "lk_array-gfid=%s", gfid, "path=%s", local->loc.path, NULL);
+ goto err;
+ }
+
+ lk_array[0] = dht_lock_new(frame->this, local->hashed_subvol,
+ &local->loc, F_WRLCK, DHT_LAYOUT_HEAL_DOMAIN,
+ NULL, FAIL_ON_ANY_ERROR);
+ if (lk_array[0] == NULL) {
+ gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
+ gf_smsg(THIS->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_MEM_ALLOC_FAILED,
+ "lk_array-gfid=%s", gfid, "path=%s", local->loc.path, NULL);
+ goto err;
+ }
+ }
+
+ local->lock[0].layout.my_layout.locks = lk_array;
+ local->lock[0].layout.my_layout.lk_count = count;
+
+ ret = dht_blocking_inodelk(frame, lk_array, count,
+ dht_selfheal_layout_lock_cbk);
+ if (ret < 0) {
+ local->lock[0].layout.my_layout.locks = NULL;
+ local->lock[0].layout.my_layout.lk_count = 0;
+ goto err;
+ }
+
+ return 0;
err:
- if (lk_array != NULL) {
- dht_lock_array_free (lk_array, count);
- GF_FREE (lk_array);
- }
+ if (lk_array != NULL) {
+ dht_lock_array_free(lk_array, count);
+ GF_FREE(lk_array);
+ }
- return -1;
+ return -1;
}
-int
-dht_selfheal_dir_xattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, dict_t *xdata)
+static int
+dht_selfheal_dir_xattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- struct iatt *stbuf = NULL;
- int i = 0;
- int ret = 0;
- dht_layout_t *layout = NULL;
- int err = 0;
- int this_call_cnt = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- layout = local->selfheal.layout;
- subvol = cookie;
-
- if (op_ret == 0) {
- err = 0;
- } else {
- gf_uuid_unparse (local->loc.gfid, gfid);
- gf_msg (this->name, GF_LOG_ERROR, op_errno,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "layout setxattr failed on %s, path:%s gfid:%s",
- subvol->name, local->loc.path, gfid);
- err = op_errno;
- }
-
- ret = dict_get_bin (xdata, DHT_IATT_IN_XDATA_KEY, (void **) &stbuf);
- if (ret < 0) {
- gf_uuid_unparse (local->loc.gfid, gfid);
- gf_msg_debug (this->name, 0, "key = %s not present in dict"
- ", path:%s gfid:%s", DHT_IATT_IN_XDATA_KEY,
- local->loc.path, gfid);
- }
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ struct iatt *stbuf = NULL;
+ int i = 0;
+ int ret = 0;
+ dht_layout_t *layout = NULL;
+ int err = 0;
+ int this_call_cnt = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+ layout = local->selfheal.layout;
+ subvol = cookie;
+
+ if (op_ret == 0) {
+ err = 0;
+ } else {
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_DIR_SELFHEAL_XATTR_FAILED, "name=%s", subvol->name,
+ "path=%s", local->loc.path, "gfid=%s", gfid, NULL);
+ err = op_errno;
+ }
+
+ ret = dict_get_bin(xdata, DHT_IATT_IN_XDATA_KEY, (void **)&stbuf);
+ if (ret < 0) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ gf_msg_debug(this->name, 0,
+ "key = %s not present in dict"
+ ", path:%s gfid:%s",
+ DHT_IATT_IN_XDATA_KEY, local->loc.path, gfid);
+ }
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].xlator == subvol) {
- layout->list[i].err = err;
- break;
- }
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].xlator == subvol) {
+ layout->list[i].err = err;
+ break;
}
+ }
- LOCK (&frame->lock);
- {
- dht_iatt_merge (this, &local->stbuf, stbuf);
- }
- UNLOCK (&frame->lock);
+ LOCK(&frame->lock);
+ {
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ }
+ UNLOCK(&frame->lock);
- this_call_cnt = dht_frame_return (frame);
+ this_call_cnt = dht_frame_return(frame);
- if (is_last_call (this_call_cnt)) {
- dht_selfheal_dir_finish (frame, this, 0, 1);
- }
+ if (is_last_call(this_call_cnt)) {
+ dht_selfheal_dir_finish(frame, this, 0, 1);
+ }
- return 0;
+ return 0;
}
/* Code is required to set user xattr to local->xattr
-*/
+ */
int
-dht_set_user_xattr (dict_t *dict, char *k, data_t *v, void *data)
+dht_set_user_xattr(dict_t *dict, char *k, data_t *v, void *data)
{
- dict_t *set_xattr = data;
- int ret = -1;
+ dict_t *set_xattr = data;
+ int ret = -1;
- ret = dict_set (set_xattr, k, v);
- return ret;
+ ret = dict_set(set_xattr, k, v);
+ return ret;
}
-
-int
-dht_selfheal_dir_xattr_persubvol (call_frame_t *frame, loc_t *loc,
- dht_layout_t *layout, int i,
- xlator_t *req_subvol)
+static int
+dht_selfheal_dir_xattr_persubvol(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *layout, int i,
+ xlator_t *req_subvol)
{
- xlator_t *subvol = NULL;
- dict_t *xattr = NULL;
- dict_t *xdata = NULL;
- int ret = 0;
- xlator_t *this = NULL;
- int32_t *disk_layout = NULL;
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- data_t *data = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- if (req_subvol)
- subvol = req_subvol;
- else
- subvol = layout->list[i].xlator;
- this = frame->this;
-
- GF_VALIDATE_OR_GOTO ("", this, err);
- GF_VALIDATE_OR_GOTO (this->name, layout, err);
- GF_VALIDATE_OR_GOTO (this->name, local, err);
- GF_VALIDATE_OR_GOTO (this->name, subvol, err);
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
-
- xattr = dict_new ();
- if (!xattr) {
- goto err;
- }
-
- xdata = dict_new ();
- if (!xdata)
- goto err;
-
- ret = dict_set_str (xdata, GLUSTERFS_INTERNAL_FOP_KEY, "yes");
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value: key = %s,"
- " gfid = %s", loc->path,
- GLUSTERFS_INTERNAL_FOP_KEY, gfid);
- goto err;
- }
-
- ret = dict_set_int8 (xdata, DHT_IATT_IN_XDATA_KEY, 1);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value: key = %s,"
- " gfid = %s", loc->path,
- DHT_IATT_IN_XDATA_KEY, gfid);
- goto err;
- }
-
- gf_uuid_unparse(loc->inode->gfid, gfid);
-
- ret = dht_disk_layout_extract (this, layout, i, &disk_layout);
- if (ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Directory self heal xattr failed:"
- " %s: (subvol %s) Failed to extract disk layout,"
- " gfid = %s", loc->path, subvol->name, gfid);
- goto err;
- }
-
- ret = dict_set_bin (xattr, conf->xattr_name, disk_layout, 4 * 4);
- if (ret == -1) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Directory self heal xattr failed:"
- "%s: (subvol %s) Failed to set xattr dictionary,"
- " gfid = %s", loc->path, subvol->name, gfid);
- goto err;
- }
- disk_layout = NULL;
-
- gf_msg_trace (this->name, 0,
- "setting hash range %u - %u (type %d) on subvolume %s"
- " for %s", layout->list[i].start, layout->list[i].stop,
- layout->type, subvol->name, loc->path);
-
- if (local->xattr) {
- data = dict_get (local->xattr, QUOTA_LIMIT_KEY);
- if (data) {
- ret = dict_add (xattr, QUOTA_LIMIT_KEY, data);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value:"
- " key = %s",
- loc->path, QUOTA_LIMIT_KEY);
- }
- }
- data = dict_get (local->xattr, QUOTA_LIMIT_OBJECTS_KEY);
- if (data) {
- ret = dict_add (xattr, QUOTA_LIMIT_OBJECTS_KEY, data);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value:"
- " key = %s",
- loc->path, QUOTA_LIMIT_OBJECTS_KEY);
- }
- }
- }
-
- if (!gf_uuid_is_null (local->gfid))
- gf_uuid_copy (loc->gfid, local->gfid);
-
- STACK_WIND_COOKIE (frame, dht_selfheal_dir_xattr_cbk,
- (void *) subvol, subvol, subvol->fops->setxattr,
- loc, xattr, 0, xdata);
-
- dict_unref (xattr);
- dict_unref (xdata);
-
- return 0;
+ xlator_t *subvol = NULL;
+ dict_t *xattr = NULL;
+ dict_t *xdata = NULL;
+ int ret = 0;
+ xlator_t *this = NULL;
+ int32_t *disk_layout = NULL;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ data_t *data = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+ if (req_subvol)
+ subvol = req_subvol;
+ else
+ subvol = layout->list[i].xlator;
+ this = frame->this;
+
+ GF_VALIDATE_OR_GOTO("", this, err);
+ GF_VALIDATE_OR_GOTO(this->name, layout, err);
+ GF_VALIDATE_OR_GOTO(this->name, local, err);
+ GF_VALIDATE_OR_GOTO(this->name, subvol, err);
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+
+ xattr = dict_new();
+ if (!xattr) {
+ goto err;
+ }
+
+ xdata = dict_new();
+ if (!xdata)
+ goto err;
+
+ ret = dict_set_str(xdata, GLUSTERFS_INTERNAL_FOP_KEY, "yes");
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", loc->path, "key=%s", GLUSTERFS_INTERNAL_FOP_KEY,
+ "gfid=%s", gfid, NULL);
+ goto err;
+ }
+
+ ret = dict_set_int8(xdata, DHT_IATT_IN_XDATA_KEY, 1);
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", loc->path, "key=%s", DHT_IATT_IN_XDATA_KEY,
+ "gfid=%s", gfid, NULL);
+ goto err;
+ }
+
+ gf_uuid_unparse(loc->inode->gfid, gfid);
+
+ ret = dht_disk_layout_extract(this, layout, i, &disk_layout);
+ if (ret == -1) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
+ "extract-disk-layout-failed, path=%s", loc->path, "subvol=%s",
+ subvol->name, "gfid=%s", gfid, NULL);
+ goto err;
+ }
+
+ ret = dict_set_bin(xattr, conf->xattr_name, disk_layout, 4 * 4);
+ if (ret == -1) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_DIR_SELFHEAL_XATTR_FAILED, "path=%s", loc->path,
+ "subvol=%s", subvol->name,
+ "set-xattr-dictionary-failed"
+ "gfid=%s",
+ gfid, NULL);
+ goto err;
+ }
+ disk_layout = NULL;
+
+ gf_msg_trace(this->name, 0,
+ "setting hash range 0x%x - 0x%x (type %d) on subvolume %s"
+ " for %s",
+ layout->list[i].start, layout->list[i].stop, layout->type,
+ subvol->name, loc->path);
+
+ if (local->xattr) {
+ data = dict_get(local->xattr, QUOTA_LIMIT_KEY);
+ if (data) {
+ ret = dict_add(xattr, QUOTA_LIMIT_KEY, data);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", loc->path, "key=%s", QUOTA_LIMIT_KEY, NULL);
+ }
+ }
+ data = dict_get(local->xattr, QUOTA_LIMIT_OBJECTS_KEY);
+ if (data) {
+ ret = dict_add(xattr, QUOTA_LIMIT_OBJECTS_KEY, data);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", loc->path, "key=%s", QUOTA_LIMIT_OBJECTS_KEY,
+ NULL);
+ }
+ }
+ }
+
+ if (!gf_uuid_is_null(local->gfid))
+ gf_uuid_copy(loc->gfid, local->gfid);
+
+ STACK_WIND_COOKIE(frame, dht_selfheal_dir_xattr_cbk, (void *)subvol, subvol,
+ subvol->fops->setxattr, loc, xattr, 0, xdata);
+
+ dict_unref(xattr);
+ dict_unref(xdata);
+
+ return 0;
err:
- if (xattr)
- dict_unref (xattr);
- if (xdata)
- dict_unref (xdata);
+ if (xattr)
+ dict_unref(xattr);
+ if (xdata)
+ dict_unref(xdata);
- GF_FREE (disk_layout);
+ GF_FREE(disk_layout);
- dht_selfheal_dir_xattr_cbk (frame, (void *) subvol, frame->this,
- -1, ENOMEM, NULL);
- return 0;
+ dht_selfheal_dir_xattr_cbk(frame, (void *)subvol, frame->this, -1, ENOMEM,
+ NULL);
+ return 0;
}
-int
-dht_fix_dir_xattr (call_frame_t *frame, loc_t *loc, dht_layout_t *layout)
+static int
+dht_fix_dir_xattr(call_frame_t *frame, loc_t *loc, dht_layout_t *layout)
{
- dht_local_t *local = NULL;
- int i = 0;
- int count = 0;
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- dht_layout_t *dummy = NULL;
-
- local = frame->local;
- this = frame->this;
- conf = this->private;
-
- gf_msg_debug (this->name, 0,
- "%s: Writing the new range for all subvolumes",
- loc->path);
-
- local->call_cnt = count = conf->subvolume_cnt;
-
- if (gf_log_get_loglevel () >= GF_LOG_DEBUG)
- dht_log_new_layout_for_dir_selfheal (this, loc, layout);
-
- for (i = 0; i < layout->cnt; i++) {
- dht_selfheal_dir_xattr_persubvol (frame, loc, layout, i, NULL);
-
- if (--count == 0)
- goto out;
- }
- /* if we are here, subvolcount > layout_count. subvols-per-directory
- * option might be set here. We need to clear out layout from the
- * non-participating subvolumes, else it will result in overlaps */
- dummy = dht_layout_new (this, 1);
- if (!dummy)
- goto out;
- dummy->commit_hash = layout->commit_hash;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (_gf_false ==
- dht_is_subvol_in_layout (layout, conf->subvolumes[i])) {
- dht_selfheal_dir_xattr_persubvol (frame, loc, dummy, 0,
- conf->subvolumes[i]);
- if (--count == 0)
- break;
- }
- }
-
- dht_layout_unref (this, dummy);
+ dht_local_t *local = NULL;
+ int i = 0;
+ int count = 0;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ dht_layout_t *dummy = NULL;
+
+ local = frame->local;
+ this = frame->this;
+ conf = this->private;
+
+ gf_msg_debug(this->name, 0, "%s: Writing the new range for all subvolumes",
+ loc->path);
+
+ local->call_cnt = count = conf->subvolume_cnt;
+
+ if (gf_log_get_loglevel() >= GF_LOG_DEBUG)
+ dht_log_new_layout_for_dir_selfheal(this, loc, layout);
+
+ for (i = 0; i < layout->cnt; i++) {
+ dht_selfheal_dir_xattr_persubvol(frame, loc, layout, i, NULL);
+
+ if (--count == 0)
+ goto out;
+ }
+ /* if we are here, subvolcount > layout_count. subvols-per-directory
+ * option might be set here. We need to clear out layout from the
+ * non-participating subvolumes, else it will result in overlaps */
+ dummy = dht_layout_new(this, 1);
+ if (!dummy)
+ goto out;
+ dummy->commit_hash = layout->commit_hash;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (_gf_false == dht_is_subvol_in_layout(layout, conf->subvolumes[i])) {
+ dht_selfheal_dir_xattr_persubvol(frame, loc, dummy, 0,
+ conf->subvolumes[i]);
+ if (--count == 0)
+ break;
+ }
+ }
+
+ dht_layout_unref(this, dummy);
out:
- return 0;
+ return 0;
}
-int
-dht_selfheal_dir_xattr (call_frame_t *frame, loc_t *loc, dht_layout_t *layout)
+static int
+dht_selfheal_dir_xattr(call_frame_t *frame, loc_t *loc, dht_layout_t *layout)
{
- dht_local_t *local = NULL;
- int missing_xattr = 0;
- int i = 0;
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- dht_layout_t *dummy = NULL;
- char gfid[GF_UUID_BUF_SIZE] = {0,};
-
- local = frame->local;
- this = frame->this;
- conf = this->private;
-
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].err != -1 || !layout->list[i].stop) {
- /* err != -1 would mean xattr present on the directory
- * or the directory is non existent.
- * !layout->list[i].stop would mean layout absent
- */
-
- continue;
- }
- missing_xattr++;
- }
- /* Also account for subvolumes with no-layout. Used for zero'ing out
- * the layouts and for setting quota key's if present */
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (_gf_false ==
- dht_is_subvol_in_layout (layout, conf->subvolumes[i])) {
- missing_xattr++;
- }
- }
- gf_msg_trace (this->name, 0,
- "%d subvolumes missing xattr for %s",
- missing_xattr, loc->path);
-
- if (missing_xattr == 0) {
- dht_selfheal_dir_finish (frame, this, 0, 1);
- return 0;
- }
-
- local->call_cnt = missing_xattr;
-
- if (gf_log_get_loglevel () >= GF_LOG_DEBUG)
- dht_log_new_layout_for_dir_selfheal (this, loc, layout);
-
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].err != -1 || !layout->list[i].stop)
- continue;
-
- dht_selfheal_dir_xattr_persubvol (frame, loc, layout, i, NULL);
-
- if (--missing_xattr == 0)
- break;
- }
- dummy = dht_layout_new (this, 1);
- if (!dummy) {
- gf_uuid_unparse (loc->gfid, gfid);
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
- "failed to allocate dummy layout, path:%s gfid:%s",
- loc->path, gfid);
- goto out;
- }
- for (i = 0; i < conf->subvolume_cnt && missing_xattr; i++) {
- if (_gf_false ==
- dht_is_subvol_in_layout (layout, conf->subvolumes[i])) {
- dht_selfheal_dir_xattr_persubvol (frame, loc, dummy, 0,
- conf->subvolumes[i]);
- missing_xattr--;
- }
- }
-
- dht_layout_unref (this, dummy);
-out:
+ dht_local_t *local = NULL;
+ int missing_xattr = 0;
+ int i = 0;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ dht_layout_t *dummy = NULL;
+ char gfid[GF_UUID_BUF_SIZE] = {
+ 0,
+ };
+
+ local = frame->local;
+ this = frame->this;
+ conf = this->private;
+
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].err != -1 || !layout->list[i].stop) {
+ /* err != -1 would mean xattr present on the directory
+ * or the directory is non existent.
+ * !layout->list[i].stop would mean layout absent
+ */
+
+ continue;
+ }
+ missing_xattr++;
+ }
+ /* Also account for subvolumes with no-layout. Used for zero'ing out
+ * the layouts and for setting quota key's if present */
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (_gf_false == dht_is_subvol_in_layout(layout, conf->subvolumes[i])) {
+ missing_xattr++;
+ }
+ }
+ gf_msg_trace(this->name, 0, "%d subvolumes missing xattr for %s",
+ missing_xattr, loc->path);
+
+ if (missing_xattr == 0) {
+ dht_selfheal_dir_finish(frame, this, 0, 1);
return 0;
-}
-
-gf_boolean_t
-dht_is_subvol_part_of_layout (dht_layout_t *layout, xlator_t *xlator)
-{
- int i = 0;
- gf_boolean_t ret = _gf_false;
-
- for (i = 0; i < layout->cnt; i++) {
- if (!strcmp (layout->list[i].xlator->name, xlator->name)) {
- ret = _gf_true;
- break;
-
- }
- }
-
- return ret;
-}
-
-int
-dht_layout_index_from_conf (dht_layout_t *layout, xlator_t *xlator)
-{
- int i = -1;
- int j = 0;
-
- for (j = 0; j < layout->cnt; j++) {
- if (!strcmp (layout->list[j].xlator->name, xlator->name)) {
- i = j;
- break;
- }
- }
-
- return i;
+ }
+
+ local->call_cnt = missing_xattr;
+
+ if (gf_log_get_loglevel() >= GF_LOG_DEBUG)
+ dht_log_new_layout_for_dir_selfheal(this, loc, layout);
+
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].err != -1 || !layout->list[i].stop)
+ continue;
+
+ dht_selfheal_dir_xattr_persubvol(frame, loc, layout, i, NULL);
+
+ if (--missing_xattr == 0)
+ break;
+ }
+ dummy = dht_layout_new(this, 1);
+ if (!dummy) {
+ gf_uuid_unparse(loc->gfid, gfid);
+ gf_smsg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_DUMMY_ALLOC_FAILED,
+ "path=%s", loc->path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
+ for (i = 0; i < conf->subvolume_cnt && missing_xattr; i++) {
+ if (_gf_false == dht_is_subvol_in_layout(layout, conf->subvolumes[i])) {
+ dht_selfheal_dir_xattr_persubvol(frame, loc, dummy, 0,
+ conf->subvolumes[i]);
+ missing_xattr--;
+ }
+ }
+
+ dht_layout_unref(this, dummy);
+out:
+ return 0;
}
int
-dht_selfheal_dir_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct iatt *statpre,
- struct iatt *statpost, dict_t *xdata)
+dht_selfheal_dir_setattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, struct iatt *statpre,
+ struct iatt *statpost, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- int this_call_cnt = 0, ret = -1;
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ int this_call_cnt = 0, ret = -1;
- local = frame->local;
- layout = local->selfheal.layout;
+ local = frame->local;
+ layout = local->selfheal.layout;
- this_call_cnt = dht_frame_return (frame);
+ this_call_cnt = dht_frame_return(frame);
- if (is_last_call (this_call_cnt)) {
- if (!local->heal_layout) {
- gf_msg_trace (this->name, 0,
- "Skip heal layout for %s gfid = %s ",
- local->loc.path, uuid_utoa(local->gfid));
+ if (is_last_call(this_call_cnt)) {
+ if (!local->heal_layout) {
+ gf_msg_trace(this->name, 0, "Skip heal layout for %s gfid = %s ",
+ local->loc.path, uuid_utoa(local->gfid));
- dht_selfheal_dir_finish (frame, this, 0, 1);
- return 0;
- }
- ret = dht_selfheal_layout_lock (frame, layout, _gf_false,
- dht_selfheal_dir_xattr,
- dht_should_heal_layout);
+ dht_selfheal_dir_finish(frame, this, 0, 1);
+ return 0;
+ }
+ ret = dht_selfheal_layout_lock(frame, layout, _gf_false,
+ dht_selfheal_dir_xattr,
+ dht_should_heal_layout);
- if (ret < 0) {
- dht_selfheal_dir_finish (frame, this, -1, 1);
- }
+ if (ret < 0) {
+ dht_selfheal_dir_finish(frame, this, -1, 1);
}
+ }
- return 0;
+ return 0;
}
-
int
-dht_selfheal_dir_setattr (call_frame_t *frame, loc_t *loc, struct iatt *stbuf,
- int32_t valid, dht_layout_t *layout)
+dht_selfheal_dir_setattr(call_frame_t *frame, loc_t *loc, struct iatt *stbuf,
+ int32_t valid, dht_layout_t *layout)
{
- int missing_attr = 0;
- int i = 0, ret = -1;
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
- int cnt = 0;
-
- local = frame->local;
- this = frame->this;
-
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].err == -1)
- missing_attr++;
- }
-
- if (missing_attr == 0) {
- if (!local->heal_layout) {
- gf_msg_trace (this->name, 0,
- "Skip heal layout for %s gfid = %s ",
- loc->path, uuid_utoa(loc->gfid));
- dht_selfheal_dir_finish (frame, this, 0, 1);
- return 0;
- }
- ret = dht_selfheal_layout_lock (frame, layout, _gf_false,
- dht_selfheal_dir_xattr,
- dht_should_heal_layout);
+ int missing_attr = 0;
+ int i = 0, ret = -1;
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ xlator_t *this = NULL;
+ int cnt = 0;
+
+ local = frame->local;
+ this = frame->this;
+ conf = this->private;
+
+ /* We need to heal the attrs if:
+ * 1. Any directories were missing - the newly created dirs will need
+ * to have the correct attrs set
+ * 2. An existing dir does not have the correct permissions -they may
+ * have been changed when a brick was down.
+ */
+
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].err == -1)
+ missing_attr++;
+ }
+
+ if ((missing_attr == 0) && (local->need_attrheal == 0)) {
+ if (!local->heal_layout) {
+ gf_msg_trace(this->name, 0, "Skip heal layout for %s gfid = %s ",
+ loc->path, uuid_utoa(loc->gfid));
+ dht_selfheal_dir_finish(frame, this, 0, 1);
+ return 0;
+ }
+ ret = dht_selfheal_layout_lock(frame, layout, _gf_false,
+ dht_selfheal_dir_xattr,
+ dht_should_heal_layout);
- if (ret < 0) {
- dht_selfheal_dir_finish (frame, this, -1, 1);
- }
-
- return 0;
+ if (ret < 0) {
+ dht_selfheal_dir_finish(frame, this, -1, 1);
}
- local->call_cnt = missing_attr;
- cnt = layout->cnt;
+ return 0;
+ }
- for (i = 0; i < cnt; i++) {
- if (layout->list[i].err == -1) {
- gf_msg_trace (this->name, 0,
- "%s: setattr on subvol %s, gfid = %s",
- loc->path, layout->list[i].xlator->name,
- uuid_utoa(loc->gfid));
+ cnt = local->call_cnt = conf->subvolume_cnt;
- STACK_WIND (frame, dht_selfheal_dir_setattr_cbk,
- layout->list[i].xlator,
- layout->list[i].xlator->fops->setattr,
- loc, stbuf, valid, NULL);
- }
- }
+ for (i = 0; i < cnt; i++) {
+ STACK_WIND(frame, dht_selfheal_dir_setattr_cbk, layout->list[i].xlator,
+ layout->list[i].xlator->fops->setattr, loc, stbuf, valid,
+ NULL);
+ }
- return 0;
+ return 0;
}
-int
-dht_selfheal_dir_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf,
- struct iatt *preparent, struct iatt *postparent,
- dict_t *xdata)
+static int
+dht_selfheal_dir_mkdir_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, inode_t *inode,
+ struct iatt *stbuf, struct iatt *preparent,
+ struct iatt *postparent, dict_t *xdata)
{
- dht_local_t *local = NULL;
- dht_layout_t *layout = NULL;
- xlator_t *prev = NULL;
- xlator_t *subvol = NULL;
- int i = 0, ret = -1;
- int this_call_cnt = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- local = frame->local;
- layout = local->selfheal.layout;
- prev = cookie;
- subvol = prev;
-
- if ((op_ret == 0) || ((op_ret == -1) && (op_errno == EEXIST))) {
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].xlator == subvol) {
- layout->list[i].err = -1;
- break;
- }
- }
+ dht_local_t *local = NULL;
+ dht_layout_t *layout = NULL;
+ xlator_t *prev = NULL;
+ xlator_t *subvol = NULL;
+ int i = 0, ret = -1;
+ int this_call_cnt = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ local = frame->local;
+ layout = local->selfheal.layout;
+ prev = cookie;
+ subvol = prev;
+
+ if ((op_ret == 0) || ((op_ret == -1) && (op_errno == EEXIST))) {
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].xlator == subvol) {
+ layout->list[i].err = -1;
+ break;
+ }
}
+ }
- if (op_ret) {
- gf_uuid_unparse(local->loc.gfid, gfid);
- gf_msg (this->name, ((op_errno == EEXIST) ? GF_LOG_DEBUG :
- GF_LOG_WARNING),
- op_errno, DHT_MSG_DIR_SELFHEAL_FAILED,
- "Directory selfheal failed: path = %s, gfid = %s",
- local->loc.path, gfid );
- goto out;
- }
- dht_iatt_merge (this, &local->preparent, preparent);
- dht_iatt_merge (this, &local->postparent, postparent);
- ret = 0;
+ if (op_ret) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
+ gf_smsg(this->name,
+ ((op_errno == EEXIST) ? GF_LOG_DEBUG : GF_LOG_WARNING),
+ op_errno, DHT_MSG_DIR_SELFHEAL_FAILED, "path=%s",
+ local->loc.path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
+ dht_iatt_merge(this, &local->preparent, preparent);
+ dht_iatt_merge(this, &local->postparent, postparent);
+ ret = 0;
out:
- this_call_cnt = dht_frame_return (frame);
+ this_call_cnt = dht_frame_return(frame);
- if (is_last_call (this_call_cnt)) {
- dht_selfheal_dir_finish (frame, this, ret, 0);
- dht_selfheal_dir_setattr (frame, &local->loc, &local->stbuf, 0xffffff, layout);
- }
+ if (is_last_call(this_call_cnt)) {
+ dht_selfheal_dir_finish(frame, this, ret, 0);
+ dht_selfheal_dir_setattr(frame, &local->loc, &local->stbuf, 0xffffff,
+ layout);
+ }
- return 0;
+ return 0;
}
-void
-dht_selfheal_dir_mkdir_setacl (dict_t *xattr, dict_t *dict)
+static int
+dht_selfheal_dir_mkdir_lookup_done(call_frame_t *frame, xlator_t *this)
{
- data_t *acl_default = NULL;
- data_t *acl_access = NULL;
- xlator_t *this = NULL;
- int ret = -1;
-
- GF_ASSERT (xattr);
- GF_ASSERT (dict);
-
- this = THIS;
- GF_ASSERT (this);
-
- acl_default = dict_get (xattr, POSIX_ACL_DEFAULT_XATTR);
-
- if (!acl_default) {
- gf_msg_debug (this->name, 0,
- "ACL_DEFAULT xattr not present");
- goto cont;
- }
- ret = dict_set (dict, POSIX_ACL_DEFAULT_XATTR, acl_default);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value.key = %s",
- POSIX_ACL_DEFAULT_XATTR);
-cont:
- acl_access = dict_get (xattr, POSIX_ACL_ACCESS_XATTR);
- if (!acl_access) {
- gf_msg_debug (this->name, 0,
- "ACL_ACCESS xattr not present");
- goto out;
- }
- ret = dict_set (dict, POSIX_ACL_ACCESS_XATTR, acl_access);
+ dht_local_t *local = NULL;
+ int i = 0;
+ dict_t *dict = NULL;
+ dht_layout_t *layout = NULL;
+ loc_t *loc = NULL;
+ int cnt = 0;
+ int ret = -1;
+
+ VALIDATE_OR_GOTO(this->private, err);
+
+ local = frame->local;
+ layout = local->layout;
+ loc = &local->loc;
+
+ if (!gf_uuid_is_null(local->gfid)) {
+ dict = dict_new();
+ if (!dict)
+ return -1;
+
+ ret = dict_set_gfuuid(dict, "gfid-req", local->gfid, true);
if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value.key = %s",
- POSIX_ACL_ACCESS_XATTR);
-
-out:
- return;
-}
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", loc->path, "key=gfid-req", NULL);
+ } else if (local->params) {
+ /* Send the dictionary from higher layers directly */
+
+ dict = dict_ref(local->params);
+ }
+ /* Code to update all extended attributed from local->xattr
+ to dict
+ */
+ dht_dir_set_heal_xattr(this, local, dict, local->xattr, NULL, NULL);
+
+ if (!dict) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_IS_NULL, NULL);
+ dict = dict_new();
+ if (!dict)
+ return -1;
+ }
+ ret = dict_set_flag(dict, GF_INTERNAL_CTX_KEY, GF_DHT_HEAL_DIR);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED, "key=%s",
+ GF_INTERNAL_CTX_KEY, "path=%s", loc->path, NULL);
+ /* We can still continue. As heal can still happen
+ * unless quota limits have reached for the dir.
+ */
+ }
+ cnt = layout->cnt;
+ for (i = 0; i < cnt; i++) {
+ if (layout->list[i].err == ESTALE || layout->list[i].err == ENOENT ||
+ local->selfheal.force_mkdir) {
+ gf_msg_debug(this->name, 0, "Creating directory %s on subvol %s",
+ loc->path, layout->list[i].xlator->name);
-void
-dht_selfheal_dir_mkdir_setquota (dict_t *src, dict_t *dst)
-{
- data_t *quota_limit_key = NULL;
- data_t *quota_limit_obj_key = NULL;
- xlator_t *this = NULL;
- int ret = -1;
-
- GF_ASSERT (src);
- GF_ASSERT (dst);
-
- this = THIS;
- GF_ASSERT (this);
-
- quota_limit_key = dict_get (src, QUOTA_LIMIT_KEY);
- if (!quota_limit_key) {
- gf_msg_debug (this->name, 0,
- "QUOTA_LIMIT_KEY xattr not present");
- goto cont;
- }
- ret = dict_set(dst, QUOTA_LIMIT_KEY, quota_limit_key);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value.key = %s",
- QUOTA_LIMIT_KEY);
-
-cont:
- quota_limit_obj_key = dict_get (src, QUOTA_LIMIT_OBJECTS_KEY);
- if (!quota_limit_obj_key) {
- gf_msg_debug (this->name, 0,
- "QUOTA_LIMIT_OBJECTS_KEY xattr not present");
- goto out;
+ STACK_WIND_COOKIE(
+ frame, dht_selfheal_dir_mkdir_cbk, layout->list[i].xlator,
+ layout->list[i].xlator, layout->list[i].xlator->fops->mkdir,
+ loc,
+ st_mode_from_ia(local->stbuf.ia_prot, local->stbuf.ia_type), 0,
+ dict);
}
- ret = dict_set (dst, QUOTA_LIMIT_OBJECTS_KEY, quota_limit_obj_key);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value.key = %s",
- QUOTA_LIMIT_OBJECTS_KEY);
-
-out:
- return;
-}
-
+ }
+ if (dict)
+ dict_unref(dict);
+ return 0;
+err:
+ dht_selfheal_dir_finish(frame, this, -1, 1);
+ return 0;
+}
-int
-dht_selfheal_dir_mkdir_lookup_done (call_frame_t *frame, xlator_t *this)
+static int
+dht_selfheal_dir_mkdir_lookup_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret, int op_errno,
+ inode_t *inode, struct iatt *stbuf,
+ dict_t *xattr, struct iatt *postparent)
{
- dht_local_t *local = NULL;
- int i = 0;
- dict_t *dict = NULL;
- dht_layout_t *layout = NULL;
- loc_t *loc = NULL;
- int cnt = 0;
- int ret = -1;
-
- VALIDATE_OR_GOTO (this->private, err);
-
- local = frame->local;
- layout = local->layout;
- loc = &local->loc;
-
- if (!gf_uuid_is_null (local->gfid)) {
- dict = dict_new ();
- if (!dict)
- return -1;
-
- ret = dict_set_gfuuid (dict, "gfid-req", local->gfid, true);
- if (ret)
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "%s: Failed to set dictionary value:"
- " key = gfid-req", loc->path);
- } else if (local->params) {
- /* Send the dictionary from higher layers directly */
-
- dict = dict_ref (local->params);
- }
- /* Code to update all extended attributed from local->xattr
- to dict
- */
- dht_dir_set_heal_xattr (this, local, dict, local->xattr, NULL,
- NULL);
-
- if (!dict) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DICT_SET_FAILED,
- "dict is NULL, need to make sure gfids are same");
- dict = dict_new ();
- if (!dict)
- return -1;
- }
- ret = dict_set_flag (dict, GF_INTERNAL_CTX_KEY, GF_DHT_HEAL_DIR);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value for"
- " key = %s at path: %s",
- GF_INTERNAL_CTX_KEY, loc->path);
- /* We can still continue. As heal can still happen
- * unless quota limits have reached for the dir.
- */
- }
+ dht_local_t *local = NULL;
+ int i = 0;
+ int this_call_cnt = 0;
+ int missing_dirs = 0;
+ dht_layout_t *layout = NULL;
+ xlator_t *prev = 0;
+ loc_t *loc = NULL;
+ char gfid_local[GF_UUID_BUF_SIZE] = {0};
+ int index = -1;
+
+ VALIDATE_OR_GOTO(this->private, err);
+
+ local = frame->local;
+ layout = local->layout;
+ loc = &local->loc;
+ prev = cookie;
+
+ if (!gf_uuid_is_null(local->gfid))
+ gf_uuid_unparse(local->gfid, gfid_local);
+
+ LOCK(&frame->lock);
+ {
+ index = dht_layout_index_for_subvol(layout, prev);
+ if ((op_ret < 0) && (op_errno == ENOENT || op_errno == ESTALE)) {
+ local->selfheal.hole_cnt = !local->selfheal.hole_cnt
+ ? 1
+ : local->selfheal.hole_cnt + 1;
+ /* the status might have changed. Update the layout with the
+ * new status
+ */
+ if (index >= 0) {
+ layout->list[index].err = op_errno;
+ }
+ }
+
+ if (!op_ret) {
+ dht_iatt_merge(this, &local->stbuf, stbuf);
+ if (prev == local->mds_subvol) {
+ dict_unref(local->xattr);
+ local->xattr = dict_ref(xattr);
+ }
+ /* the status might have changed. Update the layout with the
+ * new status
+ */
+ if (index >= 0) {
+ layout->list[index].err = -1;
+ }
+ }
+ }
+ UNLOCK(&frame->lock);
+
+ this_call_cnt = dht_frame_return(frame);
+
+ if (is_last_call(this_call_cnt)) {
+ if (local->selfheal.hole_cnt == layout->cnt) {
+ gf_msg_debug(this->name, op_errno,
+ "Lookup failed, an rmdir could have "
+ "deleted this entry %s",
+ loc->name);
+ local->op_errno = op_errno;
+ goto err;
+ } else {
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].err == ENOENT ||
+ layout->list[i].err == ESTALE ||
+ local->selfheal.force_mkdir)
+ missing_dirs++;
+ }
+
+ if (missing_dirs == 0) {
+ dht_selfheal_dir_finish(frame, this, 0, 0);
+ dht_selfheal_dir_setattr(frame, loc, &local->stbuf, 0xffffffff,
+ layout);
+ return 0;
+ }
- cnt = layout->cnt;
- for (i = 0; i < cnt; i++) {
- if (layout->list[i].err == ESTALE ||
- layout->list[i].err == ENOENT ||
- local->selfheal.force_mkdir) {
- gf_msg_debug (this->name, 0,
- "Creating directory %s on subvol %s",
- loc->path, layout->list[i].xlator->name);
-
- STACK_WIND_COOKIE (frame, dht_selfheal_dir_mkdir_cbk,
- layout->list[i].xlator,
- layout->list[i].xlator,
- layout->list[i].xlator->fops->mkdir,
- loc,
- st_mode_from_ia (local->stbuf.ia_prot,
- local->stbuf.ia_type),
- 0, dict);
- }
+ local->call_cnt = missing_dirs;
+ dht_selfheal_dir_mkdir_lookup_done(frame, this);
}
+ }
- if (dict)
- dict_unref (dict);
-
- return 0;
+ return 0;
err:
- dht_selfheal_dir_finish (frame, this, -1, 1);
- return 0;
+ dht_selfheal_dir_finish(frame, this, -1, 1);
+ return 0;
}
-int
-dht_selfheal_dir_mkdir_lookup_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret, int op_errno,
- inode_t *inode, struct iatt *stbuf,
- dict_t *xattr, struct iatt *postparent)
+static int
+dht_selfheal_dir_mkdir_lock_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int i = 0;
- int this_call_cnt = 0;
- int missing_dirs = 0;
- dht_layout_t *layout = NULL;
- dht_conf_t *conf = 0;
- loc_t *loc = NULL;
- int check_mds = 0;
- int errst = 0;
- int32_t mds_xattr_val[1] = {0};
- char gfid_local[GF_UUID_BUF_SIZE] = {0};
-
- VALIDATE_OR_GOTO (this->private, err);
-
- local = frame->local;
- layout = local->layout;
- loc = &local->loc;
- conf = this->private;
-
- if (local->gfid)
- gf_uuid_unparse(local->gfid, gfid_local);
-
- this_call_cnt = dht_frame_return (frame);
-
- LOCK (&frame->lock);
- {
- if ((op_ret < 0) &&
- (op_errno == ENOENT || op_errno == ESTALE)) {
- local->selfheal.hole_cnt = !local->selfheal.hole_cnt ? 1
- : local->selfheal.hole_cnt + 1;
- }
-
- if (!op_ret) {
- dht_iatt_merge (this, &local->stbuf, stbuf);
- }
- check_mds = dht_dict_get_array (xattr, conf->mds_xattr_key,
- mds_xattr_val, 1, &errst);
- if (dict_get (xattr, conf->mds_xattr_key) && check_mds && !errst) {
- dict_unref (local->xattr);
- local->xattr = dict_ref (xattr);
- }
-
- }
- UNLOCK (&frame->lock);
-
- if (is_last_call (this_call_cnt)) {
- if (local->selfheal.hole_cnt == layout->cnt) {
- gf_msg_debug (this->name, op_errno,
- "Lookup failed, an rmdir could have "
- "deleted this entry %s", loc->name);
- local->op_errno = op_errno;
- goto err;
- } else {
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].err == ENOENT ||
- layout->list[i].err == ESTALE ||
- local->selfheal.force_mkdir)
- missing_dirs++;
- }
-
- if (missing_dirs == 0) {
- dht_selfheal_dir_finish (frame, this, 0, 0);
- dht_selfheal_dir_setattr (frame, loc,
- &local->stbuf,
- 0xffffffff, layout);
- return 0;
- }
-
- local->call_cnt = missing_dirs;
- dht_selfheal_dir_mkdir_lookup_done (frame, this);
- }
+ dht_local_t *local = NULL;
+ dht_conf_t *conf = NULL;
+ int i = 0;
+ int ret = -1;
+ xlator_t *mds_subvol = NULL;
+
+ VALIDATE_OR_GOTO(this->private, err);
+
+ conf = this->private;
+ local = frame->local;
+ mds_subvol = local->mds_subvol;
+
+ local->call_cnt = conf->subvolume_cnt;
+
+ if (op_ret < 0) {
+ if (op_errno == EINVAL) {
+ local->call_cnt = 1;
+ dht_selfheal_dir_mkdir_lookup_done(frame, this);
+ return 0;
+ }
+
+ gf_smsg(this->name, GF_LOG_WARNING, op_errno, DHT_MSG_ENTRYLK_ERROR,
+ "path=%s", local->loc.path, NULL);
+
+ local->op_errno = op_errno;
+ goto err;
+ }
+
+ /* After getting locks, perform lookup again to ensure that the
+ directory was not deleted by a racing rmdir
+ */
+ if (!local->xattr_req)
+ local->xattr_req = dict_new();
+
+ ret = dict_set_int32(local->xattr_req, "list-xattr", 1);
+ if (ret)
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED, "path=%s",
+ local->loc.path, NULL);
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (mds_subvol && conf->subvolumes[i] == mds_subvol) {
+ STACK_WIND_COOKIE(frame, dht_selfheal_dir_mkdir_lookup_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, &local->loc,
+ local->xattr_req);
+ } else {
+ STACK_WIND_COOKIE(frame, dht_selfheal_dir_mkdir_lookup_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->lookup, &local->loc,
+ NULL);
}
+ }
- return 0;
+ return 0;
err:
- dht_selfheal_dir_finish (frame, this, -1, 1);
- return 0;
+ dht_selfheal_dir_finish(frame, this, -1, 1);
+ return 0;
}
-
-int
-dht_selfheal_dir_mkdir_lock_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata)
+static int
+dht_selfheal_dir_mkdir(call_frame_t *frame, loc_t *loc, dht_layout_t *layout,
+ int force)
{
- dht_local_t *local = NULL;
- dht_conf_t *conf = NULL;
- int i = 0;
- int ret = -1;
- xlator_t *mds_subvol = NULL;
-
- VALIDATE_OR_GOTO (this->private, err);
-
- conf = this->private;
- local = frame->local;
- mds_subvol = local->mds_subvol;
-
- local->call_cnt = conf->subvolume_cnt;
-
- if (op_ret < 0) {
-
- /* We get this error when the directory entry was not created
- * on a newky attached tier subvol. Hence proceed and do mkdir
- * on the tier subvol.
- */
- if (op_errno == EINVAL) {
- local->call_cnt = 1;
- dht_selfheal_dir_mkdir_lookup_done (frame, this);
- return 0;
+ int missing_dirs = 0;
+ int i = 0;
+ int op_errno = 0;
+ int ret = -1;
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+
+ local = frame->local;
+ this = frame->this;
+ conf = this->private;
+
+ local->selfheal.force_mkdir = force;
+ local->selfheal.hole_cnt = 0;
+
+ for (i = 0; i < layout->cnt; i++) {
+ if (layout->list[i].err == ENOENT || force)
+ missing_dirs++;
+ }
+
+ if (missing_dirs == 0) {
+ /* We don't need to create any directories. Proceed to heal the
+ * attrs and xattrs
+ */
+ if (!__is_root_gfid(local->stbuf.ia_gfid)) {
+ if (local->need_xattr_heal) {
+ local->need_xattr_heal = 0;
+ ret = dht_dir_xattr_heal(this, local, &op_errno);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, op_errno,
+ DHT_MSG_DIR_XATTR_HEAL_FAILED, "path=%s",
+ local->loc.path, "gfid=%s", local->gfid, NULL);
}
+ } else {
+ if (!gf_uuid_is_null(local->gfid))
+ gf_uuid_copy(loc->gfid, local->gfid);
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_ENTRYLK_ERROR,
- "acquiring entrylk after inodelk failed for %s",
- local->loc.path);
-
- local->op_errno = op_errno;
- goto err;
- }
-
- /* After getting locks, perform lookup again to ensure that the
- directory was not deleted by a racing rmdir
- */
- if (!local->xattr_req)
- local->xattr_req = dict_new ();
-
- ret = dict_set_int32 (local->xattr_req, "list-xattr", 1);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary key list-xattr value "
- " for path %s ", local->loc.path);
+ ret = dht_common_mark_mdsxattr(frame, NULL, 0);
+ if (!ret)
+ return 0;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (mds_subvol && conf->subvolumes[i] == mds_subvol) {
- STACK_WIND_COOKIE (frame,
- dht_selfheal_dir_mkdir_lookup_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- &local->loc, local->xattr_req);
- } else {
- STACK_WIND_COOKIE (frame,
- dht_selfheal_dir_mkdir_lookup_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->lookup,
- &local->loc, NULL);
- }
+ gf_smsg(this->name, GF_LOG_INFO, 0, DHT_MSG_SET_XATTR_FAILED,
+ "path=%s", local->loc.path, "gfid=%s", local->gfid,
+ NULL);
+ }
}
-
+ dht_selfheal_dir_setattr(frame, loc, &local->stbuf, 0xffffffff, layout);
return 0;
-
-err:
- dht_selfheal_dir_finish (frame, this, -1, 1);
- return 0;
-}
-
-int
-dht_selfheal_dir_mkdir (call_frame_t *frame, loc_t *loc,
- dht_layout_t *layout, int force)
-{
- int missing_dirs = 0;
- int i = 0;
- int ret = -1;
- dht_local_t *local = NULL;
- xlator_t *this = NULL;
-
- local = frame->local;
- this = frame->this;
-
- local->selfheal.force_mkdir = force;
- local->selfheal.hole_cnt = 0;
-
- for (i = 0; i < layout->cnt; i++) {
- if (layout->list[i].err == ENOENT || force)
- missing_dirs++;
+ }
+
+ /* MDS xattr is populated only while DHT is having more than one
+ subvol.In case of graph switch while adding more dht subvols need to
+ consider hash subvol as a MDS to avoid MDS check failure at the time
+ of running fop on directory
+ */
+ if (!dict_get(local->xattr, conf->mds_xattr_key) &&
+ (conf->subvolume_cnt > 1)) {
+ if (local->hashed_subvol == NULL) {
+ local->hashed_subvol = dht_subvol_get_hashed(this, loc);
+ if (local->hashed_subvol == NULL) {
+ local->op_errno = EINVAL;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED, "gfid=%s",
+ loc->pargfid, "name=%s", loc->name, "path=%s",
+ loc->path, NULL);
+ goto err;
+ }
}
-
- if (missing_dirs == 0) {
- if (!__is_root_gfid (local->stbuf.ia_gfid)) {
- if (local->need_xattr_heal) {
- local->need_xattr_heal = 0;
- ret = dht_dir_xattr_heal (this, local);
- if (ret)
- gf_msg (this->name, GF_LOG_ERROR,
- ret,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "xattr heal failed for "
- "directory %s gfid %s ",
- local->loc.path,
- local->gfid);
- } else {
- if (!gf_uuid_is_null (local->gfid))
- gf_uuid_copy (loc->gfid, local->gfid);
-
- ret = dht_common_mark_mdsxattr (frame, NULL, 0);
- if (!ret)
- return 0;
-
- gf_msg (this->name, GF_LOG_INFO, 0,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "Failed to set mds xattr "
- "for directory %s gfid %s ",
- local->loc.path, local->gfid);
- }
- }
- dht_selfheal_dir_setattr (frame, loc, &local->stbuf,
- 0xffffffff, layout);
- return 0;
+ ret = dht_inode_ctx_mdsvol_set(local->inode, this,
+ local->hashed_subvol);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_SET_INODE_CTX_FAILED,
+ "Failed to set hashed subvol for %s on inode vol is %s",
+ local->loc.path,
+ local->hashed_subvol ? local->hashed_subvol->name : "NULL");
+ goto err;
}
+ }
- if (local->hashed_subvol == NULL)
- local->hashed_subvol = dht_subvol_get_hashed (this, loc);
-
+ if (local->hashed_subvol == NULL) {
+ local->hashed_subvol = dht_subvol_get_hashed(this, loc);
if (local->hashed_subvol == NULL) {
- local->op_errno = EINVAL;
- gf_msg (this->name, GF_LOG_WARNING, local->op_errno,
- DHT_MSG_HASHED_SUBVOL_GET_FAILED,
- "(%s/%s) (path: %s): "
- "hashed subvolume not found", loc->pargfid, loc->name,
- loc->path);
- goto err;
+ local->op_errno = EINVAL;
+ gf_smsg(this->name, GF_LOG_WARNING, local->op_errno,
+ DHT_MSG_HASHED_SUBVOL_GET_FAILED, "gfid=%s", loc->pargfid,
+ "name=%s", loc->name, "path=%s", loc->path, NULL);
+ goto err;
}
+ }
- local->current = &local->lock[0];
- ret = dht_protect_namespace (frame, loc, local->hashed_subvol,
- &local->current->ns,
- dht_selfheal_dir_mkdir_lock_cbk);
+ local->current = &local->lock[0];
+ ret = dht_protect_namespace(frame, loc, local->hashed_subvol,
+ &local->current->ns,
+ dht_selfheal_dir_mkdir_lock_cbk);
- if (ret < 0)
- goto err;
+ if (ret < 0)
+ goto err;
- return 0;
+ return 0;
err:
- return -1;
+ return -1;
}
-int
-dht_selfheal_layout_alloc_start (xlator_t *this, loc_t *loc,
- dht_layout_t *layout)
+static int
+dht_selfheal_layout_alloc_start(xlator_t *this, loc_t *loc,
+ dht_layout_t *layout)
{
- int start = 0;
- uint32_t hashval = 0;
- int ret = 0;
- const char *str = NULL;
- dht_conf_t *conf = NULL;
- char buf[UUID_CANONICAL_FORM_LEN + 1] = {0, };
-
- conf = this->private;
-
- if (conf->randomize_by_gfid) {
- str = uuid_utoa_r (loc->gfid, buf);
- } else {
- str = loc->path;
- }
-
- ret = dht_hash_compute (this, layout->type, str, &hashval);
- if (ret == 0) {
- start = (hashval % layout->cnt);
- }
-
- return start;
+ int start = 0;
+ uint32_t hashval = 0;
+ int ret = 0;
+ const char *str = NULL;
+ dht_conf_t *conf = NULL;
+ char buf[UUID_CANONICAL_FORM_LEN + 1] = {
+ 0,
+ };
+
+ conf = this->private;
+
+ if (conf->randomize_by_gfid) {
+ str = uuid_utoa_r(loc->gfid, buf);
+ } else {
+ str = loc->path;
+ }
+
+ ret = dht_hash_compute(this, layout->type, str, &hashval);
+ if (ret == 0) {
+ start = (hashval % layout->cnt);
+ }
+
+ return start;
}
static int
-dht_get_layout_count (xlator_t *this, dht_layout_t *layout, int new_layout)
+dht_get_layout_count(xlator_t *this, dht_layout_t *layout, int new_layout)
{
- int i = 0;
- int j = 0;
- int err = 0;
- int count = 0;
- dht_conf_t *conf = NULL;
-
- /* Gets in use only for replace-brick, remove-brick */
- conf = this->private;
+ int i = 0;
+ int j = 0;
+ int err = 0;
+ int count = 0;
+ dht_conf_t *conf = NULL;
+
+ /* Gets in use only for replace-brick, remove-brick */
+ conf = this->private;
+ for (i = 0; i < layout->cnt; i++) {
+ for (j = 0; j < conf->subvolume_cnt; j++) {
+ if (conf->decommissioned_bricks[j] &&
+ conf->decommissioned_bricks[j] == layout->list[i].xlator) {
+ layout->list[i].err = EINVAL;
+ break;
+ }
+ }
+ }
+
+ for (i = 0; i < layout->cnt; i++) {
+ err = layout->list[i].err;
+ if (err == -1 || err == 0 || err == ENOENT) {
+ /* Take this with a pinch of salt. The behaviour seems
+ * to be slightly different when this function is
+ * invoked from mkdir codepath. For eg., err == 0 in
+ * mkdir codepath means directory created but xattr
+ * is not set yet.
+ */
+
+ /* Setting list[i].err = -1 is an indication for
+ dht_selfheal_layout_new_directory() to assign
+ a range. We set it to -1 based on any one of
+ the three criteria:
+
+ - err == -1 already, which means directory
+ existed but layout was not set on it.
+
+ - err == 0, which means directory exists and
+ has an old layout piece which will be
+ overwritten now.
+
+ - err == ENOENT, which means directory does
+ not exist (possibly racing with mkdir or
+ finishing half done mkdir). The missing
+ directory will be attempted to be recreated.
+ */
+ count++;
+ if (!err)
+ layout->list[i].err = -1;
+ }
+ }
+
+ /* no subvolume has enough space, but can't stop directory creation */
+ if (!count || !new_layout) {
for (i = 0; i < layout->cnt; i++) {
- for (j = 0; j < conf->subvolume_cnt; j++) {
- if (conf->decommissioned_bricks[j] &&
- conf->decommissioned_bricks[j] == layout->list[i].xlator) {
- layout->list[i].err = EINVAL;
- break;
- }
- }
- }
-
- for (i = 0; i < layout->cnt; i++) {
- err = layout->list[i].err;
- if (err == -1 || err == 0 || err == ENOENT) {
- /* Take this with a pinch of salt. The behaviour seems
- * to be slightly different when this function is
- * invoked from mkdir codepath. For eg., err == 0 in
- * mkdir codepath means directory created but xattr
- * is not set yet.
- */
-
- /* Setting list[i].err = -1 is an indication for
- dht_selfheal_layout_new_directory() to assign
- a range. We set it to -1 based on any one of
- the three criteria:
-
- - err == -1 already, which means directory
- existed but layout was not set on it.
-
- - err == 0, which means directory exists and
- has an old layout piece which will be
- overwritten now.
-
- - err == ENOENT, which means directory does
- not exist (possibly racing with mkdir or
- finishing half done mkdir). The missing
- directory will be attempted to be recreated.
- */
- count++;
- if (!err)
- layout->list[i].err = -1;
- }
- }
-
- /* no subvolume has enough space, but can't stop directory creation */
- if (!count || !new_layout) {
- for (i = 0; i < layout->cnt; i++) {
- err = layout->list[i].err;
- if (err == ENOSPC) {
- layout->list[i].err = -1;
- count++;
- }
- }
- }
-
- /* if layout->spread_cnt is set, check if it is <= available
- * subvolumes (down brick and decommissioned bricks are considered
- * un-availbale). Else return count (available up bricks) */
- count = ((layout->spread_cnt &&
- (layout->spread_cnt <= count)) ?
- layout->spread_cnt : ((count) ? count : 1));
-
- return count;
+ err = layout->list[i].err;
+ if (err == ENOSPC) {
+ layout->list[i].err = -1;
+ count++;
+ }
+ }
+ }
+
+ /* if layout->spread_cnt is set, check if it is <= available
+ * subvolumes (down brick and decommissioned bricks are considered
+ * un-available). Else return count (available up bricks) */
+ count = ((layout->spread_cnt && (layout->spread_cnt <= count))
+ ? layout->spread_cnt
+ : ((count) ? count : 1));
+
+ return count;
}
+void
+dht_selfheal_layout_new_directory(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *new_layout);
-void dht_selfheal_layout_new_directory (call_frame_t *frame, loc_t *loc,
- dht_layout_t *new_layout);
-
-void dht_layout_entry_swap (dht_layout_t *layout, int i, int j);
-void dht_layout_range_swap (dht_layout_t *layout, int i, int j);
+void
+dht_layout_range_swap(dht_layout_t *layout, int i, int j);
/*
* It's a bit icky using local variables in a macro, but it makes the rest
* of the code a lot clearer.
*/
-#define OV_ENTRY(x,y) table[x*new->cnt+y]
+#define OV_ENTRY(x, y) table[x * new->cnt + y]
-void
-dht_selfheal_layout_maximize_overlap (call_frame_t *frame, loc_t *loc,
- dht_layout_t *new, dht_layout_t *old)
+static void
+dht_selfheal_layout_maximize_overlap(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *new, dht_layout_t *old)
{
- int i = 0;
- int j = 0;
- uint32_t curr_overlap = 0;
- uint32_t max_overlap = 0;
- int max_overlap_idx = -1;
- uint32_t overlap = 0;
- uint32_t *table = NULL;
-
- dht_layout_sort_volname (old);
- /* Now both old_layout->list[] and new_layout->list[]
- are match the same xlators/subvolumes. i.e,
- old_layout->[i] and new_layout->[i] are referring
- to the same subvolumes
- */
-
- /* Build a table of overlaps between new[i] and old[j]. */
- table = alloca(sizeof(overlap)*old->cnt*new->cnt);
- if (!table) {
- return;
- }
- memset(table,0,sizeof(overlap)*old->cnt*new->cnt);
- for (i = 0; i < new->cnt; ++i) {
- for (j = 0; j < old->cnt; ++j) {
- OV_ENTRY(i,j) = dht_overlap_calc(old,j,new,i);
- }
- }
-
- for (i = 0; i < new->cnt; i++) {
- if (new->list[i].err > 0) {
- /* Subvol might be marked for decommission
- with EINVAL, or some other serious error
- marked with positive errno.
- */
- continue;
- }
-
- max_overlap = 0;
- max_overlap_idx = i;
- for (j = (i + 1); j < new->cnt; ++j) {
- if (new->list[j].err > 0) {
- /* Subvol might be marked for decommission
- with EINVAL, or some other serious error
- marked with positive errno.
- */
- continue;
- }
- /* Calculate the overlap now. */
- curr_overlap = OV_ENTRY(i,i) + OV_ENTRY(j,j);
- /* Calculate the overlap after the proposed swap. */
- overlap = OV_ENTRY(i,j) + OV_ENTRY(j,i);
- /* Are we better than status quo? */
- if (overlap > curr_overlap) {
- overlap -= curr_overlap;
- /* Are we better than the previous choice? */
- if (overlap > max_overlap) {
- max_overlap = overlap;
- max_overlap_idx = j;
- }
- }
- }
-
- if (max_overlap_idx != i) {
- dht_layout_range_swap (new, i, max_overlap_idx);
- /* Need to swap the table values too. */
- for (j = 0; j < old->cnt; ++j) {
- overlap = OV_ENTRY(i,j);
- OV_ENTRY(i,j) = OV_ENTRY(max_overlap_idx,j);
- OV_ENTRY(max_overlap_idx,j) = overlap;
- }
- }
- }
+ int i = 0;
+ int j = 0;
+ uint32_t curr_overlap = 0;
+ uint32_t max_overlap = 0;
+ int max_overlap_idx = -1;
+ uint32_t overlap = 0;
+ uint32_t *table = NULL;
+
+ dht_layout_sort_volname(old);
+ /* Now both old_layout->list[] and new_layout->list[]
+ are match the same xlators/subvolumes. i.e,
+ old_layout->[i] and new_layout->[i] are referring
+ to the same subvolumes
+ */
+
+ /* Build a table of overlaps between new[i] and old[j]. */
+ table = alloca(sizeof(overlap) * old->cnt * new->cnt);
+ if (!table) {
+ return;
+ }
+ memset(table, 0, sizeof(overlap) * old->cnt * new->cnt);
+ for (i = 0; i < new->cnt; ++i) {
+ for (j = 0; j < old->cnt; ++j) {
+ OV_ENTRY(i, j) = dht_overlap_calc(old, j, new, i);
+ }
+ }
+
+ for (i = 0; i < new->cnt; i++) {
+ if (new->list[i].err > 0) {
+ /* Subvol might be marked for decommission
+ with EINVAL, or some other serious error
+ marked with positive errno.
+ */
+ continue;
+ }
+
+ max_overlap = 0;
+ max_overlap_idx = i;
+ for (j = (i + 1); j < new->cnt; ++j) {
+ if (new->list[j].err > 0) {
+ /* Subvol might be marked for decommission
+ with EINVAL, or some other serious error
+ marked with positive errno.
+ */
+ continue;
+ }
+ /* Calculate the overlap now. */
+ curr_overlap = OV_ENTRY(i, i) + OV_ENTRY(j, j);
+ /* Calculate the overlap after the proposed swap. */
+ overlap = OV_ENTRY(i, j) + OV_ENTRY(j, i);
+ /* Are we better than status quo? */
+ if (overlap > curr_overlap) {
+ overlap -= curr_overlap;
+ /* Are we better than the previous choice? */
+ if (overlap > max_overlap) {
+ max_overlap = overlap;
+ max_overlap_idx = j;
+ }
+ }
+ }
+
+ if (max_overlap_idx != i) {
+ dht_layout_range_swap(new, i, max_overlap_idx);
+ /* Need to swap the table values too. */
+ for (j = 0; j < old->cnt; ++j) {
+ overlap = OV_ENTRY(i, j);
+ OV_ENTRY(i, j) = OV_ENTRY(max_overlap_idx, j);
+ OV_ENTRY(max_overlap_idx, j) = overlap;
+ }
+ }
+ }
}
-
-dht_layout_t *
-dht_fix_layout_of_directory (call_frame_t *frame, loc_t *loc,
- dht_layout_t *layout)
+static dht_layout_t *
+dht_fix_layout_of_directory(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *layout)
{
- int i = 0;
- xlator_t *this = NULL;
- dht_layout_t *new_layout = NULL;
- dht_conf_t *priv = NULL;
- dht_local_t *local = NULL;
- uint32_t subvol_down = 0;
- int ret = 0;
- gf_boolean_t maximize_overlap = _gf_true;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
- this = frame->this;
- priv = this->private;
- local = frame->local;
-
- if (layout->type == DHT_HASH_TYPE_DM_USER) {
- gf_msg_debug (THIS->name, 0, "leaving %s alone",
- loc->path);
- goto done;
- }
-
- new_layout = dht_layout_new (this, priv->subvolume_cnt);
- if (!new_layout) {
- gf_uuid_unparse (loc->gfid, gfid);
- gf_msg (this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_NO_MEMORY,
- "mem allocation failed for new_layout, path:%s gfid:%s",
- loc->path, gfid);
- goto done;
- }
-
- /* If a subvolume is down, do not re-write the layout. */
- ret = dht_layout_anomalies (this, loc, layout, NULL, NULL, NULL,
- &subvol_down, NULL, NULL);
-
- if (subvol_down || (ret == -1)) {
- gf_uuid_unparse (loc->gfid, gfid);
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_LAYOUT_FIX_FAILED,
- "Layout fix failed: %u subvolume(s) are down"
- ". Skipping fix layout. path:%s gfid:%s", subvol_down,
- loc->path, gfid);
- GF_FREE (new_layout);
- return NULL;
- }
-
- for (i = 0; i < new_layout->cnt; i++) {
- if (layout->list[i].err != ENOSPC)
- new_layout->list[i].err = layout->list[i].err;
- else
- new_layout->list[i].err = -1;
-
- new_layout->list[i].xlator = layout->list[i].xlator;
- }
-
- new_layout->commit_hash = layout->commit_hash;
-
- if (priv->du_stats) {
- for (i = 0; i < priv->subvolume_cnt; ++i) {
- gf_msg (this->name, GF_LOG_DEBUG, 0,
- DHT_MSG_SUBVOL_INFO,
- "subvolume %d (%s): %u chunks, path:%s", i,
- priv->subvolumes[i]->name,
- priv->du_stats[i].chunks, loc->path);
-
- /* Maximize overlap if the bricks are all the same
- * size.
- * This is probably not going to be very common on
- * live setups but will benefit our regression tests
- */
- if (i && (priv->du_stats[i].chunks
- != priv->du_stats[0].chunks)) {
- maximize_overlap = _gf_false;
- }
- }
- } else {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_NO_DISK_USAGE_STATUS, "no du stats ?!?");
- }
-
- /* First give it a layout as though it is a new directory. This
- ensures rotation to kick in */
- dht_layout_sort_volname (new_layout);
- dht_selfheal_layout_new_directory (frame, loc, new_layout);
-
-
- /* Maximize overlap if weighted-rebalance is disabled */
- if (!priv->do_weighting)
- maximize_overlap = _gf_true;
-
- /* Now selectively re-assign ranges only when it helps */
- if (maximize_overlap) {
- dht_selfheal_layout_maximize_overlap (frame, loc, new_layout,
- layout);
- }
+ int i = 0;
+ xlator_t *this = NULL;
+ dht_layout_t *new_layout = NULL;
+ dht_conf_t *priv = NULL;
+ dht_local_t *local = NULL;
+ uint32_t subvol_down = 0;
+ gf_boolean_t maximize_overlap = _gf_true;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ this = frame->this;
+ priv = this->private;
+ local = frame->local;
+
+ if (layout->type == DHT_HASH_TYPE_DM_USER) {
+ gf_msg_debug(THIS->name, 0, "leaving %s alone", loc->path);
+ goto done;
+ }
+
+ new_layout = dht_layout_new(this, priv->subvolume_cnt);
+ if (!new_layout) {
+ gf_uuid_unparse(loc->gfid, gfid);
+ gf_smsg(this->name, GF_LOG_ERROR, ENOMEM, DHT_MSG_MEM_ALLOC_FAILED,
+ "new_layout, path=%s", loc->path, "gfid=%s", gfid, NULL);
+ goto done;
+ }
+
+ /* If a subvolume is down, do not re-write the layout. */
+ dht_layout_anomalies(this, loc, layout, NULL, NULL, NULL, &subvol_down,
+ NULL, NULL);
+
+ if (subvol_down) {
+ gf_uuid_unparse(loc->gfid, gfid);
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LAYOUT_FIX_FAILED,
+ "subvol-down=%u", subvol_down, "Skipping-fix-layout", "path=%s",
+ loc->path, "gfid=%s", gfid, NULL);
+ GF_FREE(new_layout);
+ return NULL;
+ }
+
+ for (i = 0; i < new_layout->cnt; i++) {
+ if (layout->list[i].err != ENOSPC)
+ new_layout->list[i].err = layout->list[i].err;
+ else
+ new_layout->list[i].err = -1;
+
+ new_layout->list[i].xlator = layout->list[i].xlator;
+ }
+
+ new_layout->commit_hash = layout->commit_hash;
+
+ if (priv->du_stats) {
+ for (i = 0; i < priv->subvolume_cnt; ++i) {
+ gf_smsg(this->name, GF_LOG_DEBUG, 0, DHT_MSG_SUBVOL_INFO,
+ "index=%d", i, "name=%s", priv->subvolumes[i]->name,
+ "chunks=%u", priv->du_stats[i].chunks, "path=%s", loc->path,
+ NULL);
+
+ /* Maximize overlap if the bricks are all the same
+ * size.
+ * This is probably not going to be very common on
+ * live setups but will benefit our regression tests
+ */
+ if (i && (priv->du_stats[i].chunks != priv->du_stats[0].chunks)) {
+ maximize_overlap = _gf_false;
+ }
+ }
+ } else {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_NO_DISK_USAGE_STATUS,
+ NULL);
+ }
+
+ /* First give it a layout as though it is a new directory. This
+ ensures rotation to kick in */
+ dht_layout_sort_volname(new_layout);
+ dht_selfheal_layout_new_directory(frame, loc, new_layout);
+
+ /* Maximize overlap if weighted-rebalance is disabled */
+ if (!priv->do_weighting)
+ maximize_overlap = _gf_true;
+
+ /* Now selectively re-assign ranges only when it helps */
+ if (maximize_overlap) {
+ dht_selfheal_layout_maximize_overlap(frame, loc, new_layout, layout);
+ }
done:
- if (new_layout) {
+ if (new_layout) {
+ /* Make sure the extra 'ref' for existing layout is removed */
+ dht_layout_unref(this, local->layout);
- /* Make sure the extra 'ref' for existing layout is removed */
- dht_layout_unref (this, local->layout);
+ local->layout = new_layout;
+ }
- local->layout = new_layout;
- }
-
- return local->layout;
+ return local->layout;
}
-
/*
* Having to call this 2x for each entry in the layout is pretty horrible, but
* that's what all of this layout-sorting nonsense gets us.
*/
-uint32_t
-dht_get_chunks_from_xl (xlator_t *parent, xlator_t *child)
+static uint32_t
+dht_get_chunks_from_xl(xlator_t *parent, xlator_t *child)
{
- dht_conf_t *priv = parent->private;
- xlator_list_t *trav;
- uint32_t index = 0;
+ dht_conf_t *priv = parent->private;
+ xlator_list_t *trav;
+ uint32_t index = 0;
- if (!priv->du_stats) {
- return 0;
- }
+ if (!priv->du_stats) {
+ return 0;
+ }
- for (trav = parent->children; trav; trav = trav->next) {
- if (trav->xlator == child) {
- return priv->du_stats[index].chunks;
- }
- ++index;
+ for (trav = parent->children; trav; trav = trav->next) {
+ if (trav->xlator == child) {
+ return priv->du_stats[index].chunks;
}
+ ++index;
+ }
- return 0;
+ return 0;
}
-
void
-dht_selfheal_layout_new_directory (call_frame_t *frame, loc_t *loc,
- dht_layout_t *layout)
+dht_selfheal_layout_new_directory(call_frame_t *frame, loc_t *loc,
+ dht_layout_t *layout)
{
- xlator_t *this = NULL;
- double chunk = 0;
- int i = 0;
- uint32_t start = 0;
- int bricks_to_use = 0;
- int err = 0;
- int start_subvol = 0;
- uint32_t curr_size;
- uint32_t range_size;
- uint64_t total_size = 0;
- int real_i;
- dht_conf_t *priv;
- gf_boolean_t weight_by_size;
- int bricks_used = 0;
-
- this = frame->this;
- priv = this->private;
- weight_by_size = priv->do_weighting;
-
- bricks_to_use = dht_get_layout_count (this, layout, 1);
- GF_ASSERT (bricks_to_use > 0);
-
- bricks_used = 0;
- for (i = 0; i < layout->cnt; ++i) {
- err = layout->list[i].err;
- if ((err != -1) && (err != ENOENT)) {
- continue;
- }
- curr_size = dht_get_chunks_from_xl (this,
- layout->list[i].xlator);
- if (!curr_size) {
- weight_by_size = _gf_false;
- break;
- }
- total_size += curr_size;
- if (++bricks_used >= bricks_to_use) {
- break;
- }
- }
-
- if (weight_by_size && total_size) {
- /* We know total_size is not zero. */
- chunk = ((double) 0xffffffff) / ((double) total_size);
- gf_msg_debug (this->name, 0,
- "chunk size = 0xffffffff / %lu = %f",
- total_size, chunk);
- }
- else {
- weight_by_size = _gf_false;
- chunk = ((unsigned long) 0xffffffff) / bricks_to_use;
+ xlator_t *this = NULL;
+ double chunk = 0;
+ int i = 0;
+ uint32_t start = 0;
+ int bricks_to_use = 0;
+ int err = 0;
+ int start_subvol = 0;
+ uint32_t curr_size;
+ uint32_t range_size;
+ uint64_t total_size = 0;
+ int real_i;
+ dht_conf_t *priv;
+ gf_boolean_t weight_by_size;
+ int bricks_used = 0;
+
+ this = frame->this;
+ priv = this->private;
+ weight_by_size = priv->do_weighting;
+
+ bricks_to_use = dht_get_layout_count(this, layout, 1);
+ GF_ASSERT(bricks_to_use > 0);
+
+ bricks_used = 0;
+ for (i = 0; i < layout->cnt; ++i) {
+ err = layout->list[i].err;
+ if ((err != -1) && (err != ENOENT)) {
+ continue;
+ }
+ curr_size = dht_get_chunks_from_xl(this, layout->list[i].xlator);
+ if (!curr_size) {
+ weight_by_size = _gf_false;
+ break;
+ }
+ total_size += curr_size;
+ if (++bricks_used >= bricks_to_use) {
+ break;
+ }
+ }
+
+ if (weight_by_size && total_size) {
+ /* We know total_size is not zero. */
+ chunk = ((double)0xffffffff) / ((double)total_size);
+ gf_msg_debug(this->name, 0,
+ "chunk size = 0xffffffff / %" PRIu64 " = %f", total_size,
+ chunk);
+ } else {
+ weight_by_size = _gf_false;
+ chunk = ((unsigned long)0xffffffff) / bricks_to_use;
+ }
+
+ start_subvol = dht_selfheal_layout_alloc_start(this, loc, layout);
+
+ /* clear out the range, as we are re-computing here */
+ DHT_RESET_LAYOUT_RANGE(layout);
+
+ /*
+ * OK, what's this "real_i" stuff about? This used to be two loops -
+ * from start_subvol to layout->cnt-1, then from 0 to start_subvol-1.
+ * That way is practically an open invitation to bugs when only one
+ * of the loops is updated. Using real_i and modulo operators to make
+ * it one loop avoids this problem. Remember, folks: it's everyone's
+ * responsibility to help stamp out copy/paste abuse.
+ */
+ bricks_used = 0;
+ for (real_i = 0; real_i < layout->cnt; real_i++) {
+ i = (real_i + start_subvol) % layout->cnt;
+ err = layout->list[i].err;
+ if ((err != -1) && (err != ENOENT)) {
+ continue;
+ }
+ if (weight_by_size) {
+ curr_size = dht_get_chunks_from_xl(this, layout->list[i].xlator);
+ if (!curr_size) {
+ continue;
+ }
+ } else {
+ curr_size = 1;
}
-
- start_subvol = dht_selfheal_layout_alloc_start (this, loc, layout);
-
- /* clear out the range, as we are re-computing here */
- DHT_RESET_LAYOUT_RANGE (layout);
-
- /*
- * OK, what's this "real_i" stuff about? This used to be two loops -
- * from start_subvol to layout->cnt-1, then from 0 to start_subvol-1.
- * That way is practically an open invitation to bugs when only one
- * of the loops is updated. Using real_i and modulo operators to make
- * it one loop avoids this problem. Remember, folks: it's everyone's
- * responsibility to help stamp out copy/paste abuse.
- */
- bricks_used = 0;
- for (real_i = 0; real_i < layout->cnt; real_i++) {
- i = (real_i + start_subvol) % layout->cnt;
- err = layout->list[i].err;
- if ((err != -1) && (err != ENOENT)) {
- continue;
- }
- if (weight_by_size) {
- curr_size = dht_get_chunks_from_xl (this,
- layout->list[i].xlator);
- if (!curr_size) {
- continue;
- }
- }
- else {
- curr_size = 1;
- }
- range_size = chunk * curr_size;
- gf_msg_debug (this->name, 0,
- "assigning range size 0x%x to %s",
- range_size,
- layout->list[i].xlator->name);
- DHT_SET_LAYOUT_RANGE(layout, i, start, range_size,
- loc->path);
- if (++bricks_used >= bricks_to_use) {
- layout->list[i].stop = 0xffffffff;
- goto done;
- }
- start += range_size;
+ range_size = chunk * curr_size;
+ gf_msg_debug(this->name, 0, "assigning range size 0x%x to %s",
+ range_size, layout->list[i].xlator->name);
+ DHT_SET_LAYOUT_RANGE(layout, i, start, range_size, loc->path);
+ if (++bricks_used >= bricks_to_use) {
+ layout->list[i].stop = 0xffffffff;
+ goto done;
}
+ start += range_size;
+ }
done:
- return;
+ return;
}
-int
-dht_selfheal_dir_getafix (call_frame_t *frame, loc_t *loc,
- dht_layout_t *layout)
+static int
+dht_selfheal_dir_getafix(call_frame_t *frame, loc_t *loc, dht_layout_t *layout)
{
- dht_local_t *local = NULL;
- uint32_t holes = 0;
- int ret = -1;
- int i = -1;
- uint32_t overlaps = 0;
-
- local = frame->local;
-
- holes = local->selfheal.hole_cnt;
- overlaps = local->selfheal.overlaps_cnt;
-
- if (holes || overlaps) {
- /* If the layout has anomalies which would change the hash
- * ranges, then we need to reset the commit_hash for this
- * directory, as the layout would change and things may not
- * be in place as expected */
- layout->commit_hash = DHT_LAYOUT_HASH_INVALID;
- dht_selfheal_layout_new_directory (frame, loc, layout);
- ret = 0;
- }
+ dht_local_t *local = NULL;
+ uint32_t holes = 0;
+ int ret = -1;
+ int i = -1;
+ uint32_t overlaps = 0;
+
+ local = frame->local;
+
+ holes = local->selfheal.hole_cnt;
+ overlaps = local->selfheal.overlaps_cnt;
+
+ if (holes || overlaps) {
+ /* If the layout has anomalies which would change the hash
+ * ranges, then we need to reset the commit_hash for this
+ * directory, as the layout would change and things may not
+ * be in place as expected */
+ layout->commit_hash = DHT_LAYOUT_HASH_INVALID;
+ dht_selfheal_layout_new_directory(frame, loc, layout);
+ ret = 0;
+ }
- for (i = 0; i < layout->cnt; i++) {
- /* directory not present */
- if (layout->list[i].err == ENOENT) {
- ret = 0;
- break;
- }
+ for (i = 0; i < layout->cnt; i++) {
+ /* directory not present */
+ if (layout->list[i].err == ENOENT) {
+ ret = 0;
+ break;
}
+ }
- /* TODO: give a fix to these non-virgins */
+ /* TODO: give a fix to these non-virgins */
- return ret;
+ return ret;
}
int
-dht_selfheal_new_directory (call_frame_t *frame,
- dht_selfheal_dir_cbk_t dir_cbk,
- dht_layout_t *layout)
+dht_selfheal_new_directory(call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk,
+ dht_layout_t *layout)
{
- dht_local_t *local = NULL;
- int ret = 0;
- inode_t *linked_inode = NULL, *inode = NULL;
- loc_t *loc = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- char gfid[GF_UUID_BUF_SIZE] = {0};
- int32_t op_errno = EIO;
+ dht_local_t *local = NULL;
+ int ret = 0;
+ inode_t *linked_inode = NULL, *inode = NULL;
+ loc_t *loc = NULL;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ int32_t op_errno = EIO;
- local = frame->local;
+ local = frame->local;
- loc = &local->loc;
+ loc = &local->loc;
- gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
- gf_uuid_unparse(loc->parent->gfid, pgfid);
+ gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
+ gf_uuid_unparse(loc->parent->gfid, pgfid);
- linked_inode = inode_link (loc->inode, loc->parent, loc->name,
- &local->stbuf);
- if (!linked_inode) {
- gf_msg (frame->this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_FAILED,
- "linking inode failed (%s/%s) => %s",
- pgfid, loc->name, gfid);
- ret = -1;
- goto out;
- }
+ linked_inode = inode_link(loc->inode, loc->parent, loc->name,
+ &local->stbuf);
+ if (!linked_inode) {
+ gf_smsg(frame->this->name, GF_LOG_WARNING, 0, DHT_MSG_LINK_INODE_FAILED,
+ "pgfid=%s", pgfid, "name=%s", loc->name, "gfid=%s", gfid, NULL);
+ ret = -1;
+ goto out;
+ }
- inode = loc->inode;
- loc->inode = linked_inode;
- inode_unref (inode);
+ inode = loc->inode;
+ loc->inode = linked_inode;
+ inode_unref(inode);
- local->selfheal.dir_cbk = dir_cbk;
- local->selfheal.layout = dht_layout_ref (frame->this, layout);
+ local->selfheal.dir_cbk = dir_cbk;
+ local->selfheal.layout = dht_layout_ref(frame->this, layout);
- dht_layout_sort_volname (layout);
- dht_selfheal_layout_new_directory (frame, &local->loc, layout);
+ dht_layout_sort_volname(layout);
+ dht_selfheal_layout_new_directory(frame, &local->loc, layout);
- op_errno = ENOMEM;
- ret = dht_selfheal_layout_lock (frame, layout, _gf_true,
- dht_selfheal_dir_xattr,
- dht_should_heal_layout);
+ op_errno = ENOMEM;
+ ret = dht_selfheal_layout_lock(frame, layout, _gf_true,
+ dht_selfheal_dir_xattr,
+ dht_should_heal_layout);
out:
- if (ret < 0) {
- dir_cbk (frame, NULL, frame->this, -1, op_errno, NULL);
- }
+ if (ret < 0) {
+ dir_cbk(frame, NULL, frame->this, -1, op_errno, NULL);
+ }
- return 0;
+ return 0;
}
int
-dht_fix_directory_layout (call_frame_t *frame,
- dht_selfheal_dir_cbk_t dir_cbk,
- dht_layout_t *layout)
+dht_fix_directory_layout(call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk,
+ dht_layout_t *layout)
{
- dht_local_t *local = NULL;
- dht_layout_t *tmp_layout = NULL;
- int ret = 0;
+ dht_local_t *local = NULL;
+ dht_layout_t *tmp_layout = NULL;
+ int ret = 0;
- local = frame->local;
+ local = frame->local;
- local->selfheal.dir_cbk = dir_cbk;
- local->selfheal.layout = dht_layout_ref (frame->this, layout);
+ local->selfheal.dir_cbk = dir_cbk;
+ local->selfheal.layout = dht_layout_ref(frame->this, layout);
- /* No layout sorting required here */
- tmp_layout = dht_fix_layout_of_directory (frame, &local->loc, layout);
- if (!tmp_layout) {
- return -1;
- }
+ /* No layout sorting required here */
+ tmp_layout = dht_fix_layout_of_directory(frame, &local->loc, layout);
+ if (!tmp_layout) {
+ return -1;
+ }
- ret = dht_selfheal_layout_lock (frame, tmp_layout, _gf_false,
- dht_fix_dir_xattr,
- dht_should_fix_layout);
+ ret = dht_selfheal_layout_lock(frame, tmp_layout, _gf_false,
+ dht_fix_dir_xattr, dht_should_fix_layout);
- return ret;
+ return ret;
}
-
int
-dht_selfheal_directory (call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk,
- loc_t *loc, dht_layout_t *layout)
+dht_selfheal_directory(call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk,
+ loc_t *loc, dht_layout_t *layout)
{
- dht_local_t *local = NULL;
- uint32_t down = 0;
- uint32_t misc = 0;
- int ret = 0;
- xlator_t *this = NULL;
- char pgfid[GF_UUID_BUF_SIZE] = {0};
- char gfid[GF_UUID_BUF_SIZE] = {0};
- inode_t *linked_inode = NULL, *inode = NULL;
-
- local = frame->local;
- this = frame->this;
-
- local->selfheal.dir_cbk = dir_cbk;
- local->selfheal.layout = dht_layout_ref (this, layout);
-
- if (!__is_root_gfid (local->stbuf.ia_gfid)) {
- gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
- gf_uuid_unparse(loc->parent->gfid, pgfid);
-
- linked_inode = inode_link (loc->inode, loc->parent, loc->name,
- &local->stbuf);
- if (!linked_inode) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_FAILED,
- "linking inode failed (%s/%s) => %s",
- pgfid, loc->name, gfid);
- ret = 0;
- goto sorry_no_fix;
- }
+ dht_local_t *local = NULL;
+ xlator_t *this = NULL;
+ uint32_t down = 0;
+ uint32_t misc = 0;
+ int ret = 0;
+ char pgfid[GF_UUID_BUF_SIZE] = {0};
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ inode_t *linked_inode = NULL, *inode = NULL;
- inode = loc->inode;
- loc->inode = linked_inode;
- inode_unref (inode);
- }
+ local = frame->local;
+ this = frame->this;
- dht_layout_anomalies (this, loc, layout,
- &local->selfheal.hole_cnt,
- &local->selfheal.overlaps_cnt,
- &local->selfheal.missing_cnt,
- &local->selfheal.down,
- &local->selfheal.misc, NULL);
-
- down = local->selfheal.down;
- misc = local->selfheal.misc;
-
- if (down) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_FAILED,
- "Directory selfheal failed: %d subvolumes down."
- "Not fixing. path = %s, gfid = %s",
- down, loc->path, gfid);
- ret = 0;
- goto sorry_no_fix;
- }
+ local->selfheal.dir_cbk = dir_cbk;
+ local->selfheal.layout = dht_layout_ref(this, layout);
- if (misc) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_FAILED,
- "Directory selfheal failed : %d subvolumes "
- "have unrecoverable errors. path = %s, gfid = %s",
- misc, loc->path, gfid);
+ if (local->need_attrheal) {
+ if (__is_root_gfid(local->stbuf.ia_gfid)) {
+ local->stbuf.ia_gid = local->prebuf.ia_gid;
+ local->stbuf.ia_uid = local->prebuf.ia_uid;
- ret = 0;
- goto sorry_no_fix;
- }
+ local->stbuf.ia_ctime = local->prebuf.ia_ctime;
+ local->stbuf.ia_ctime_nsec = local->prebuf.ia_ctime_nsec;
+ local->stbuf.ia_prot = local->prebuf.ia_prot;
- dht_layout_sort_volname (layout);
- local->heal_layout = _gf_true;
+ } else if (!IA_ISINVAL(local->mds_stbuf.ia_type)) {
+ local->stbuf = local->mds_stbuf;
+ }
+ }
- /* Ignore return value as it can be inferred from result of
- * dht_layout_anomalies
- */
- dht_selfheal_dir_getafix (frame, loc, layout);
+ if (!__is_root_gfid(local->stbuf.ia_gfid)) {
+ gf_uuid_unparse(local->stbuf.ia_gfid, gfid);
+ gf_uuid_unparse(loc->parent->gfid, pgfid);
- if (!(local->selfheal.hole_cnt || local->selfheal.overlaps_cnt ||
- local->selfheal.missing_cnt)) {
- local->heal_layout = _gf_false;
+ linked_inode = inode_link(loc->inode, loc->parent, loc->name,
+ &local->stbuf);
+ if (!linked_inode) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_LINK_INODE_FAILED,
+ "pgfid=%s", pgfid, "name=%s", loc->name, "gfid=%s", gfid,
+ NULL);
+ ret = 0;
+ goto sorry_no_fix;
}
- ret = dht_selfheal_dir_mkdir (frame, loc, layout, 0);
- if (ret < 0) {
- ret = 0;
- goto sorry_no_fix;
- }
+ inode = loc->inode;
+ loc->inode = linked_inode;
+ inode_unref(inode);
+ }
+
+ if (local->need_xattr_heal && (local->mds_xattr)) {
+ dht_dir_set_heal_xattr(this, local, local->xattr, local->mds_xattr,
+ NULL, NULL);
+ dict_unref(local->mds_xattr);
+ local->mds_xattr = NULL;
+ }
+
+ dht_layout_anomalies(this, loc, layout, &local->selfheal.hole_cnt,
+ &local->selfheal.overlaps_cnt,
+ &local->selfheal.missing_cnt, &local->selfheal.down,
+ &local->selfheal.misc, NULL);
+
+ down = local->selfheal.down;
+ misc = local->selfheal.misc;
+
+ if (down) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_SELFHEAL_FAILED,
+ "path=%s", loc->path, "subvol-down=%d", down, "Not-fixing",
+ "gfid=%s", gfid, NULL);
+ ret = 0;
+ goto sorry_no_fix;
+ }
- return 0;
+ if (misc) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_SELFHEAL_FAILED,
+ "path=%s", loc->path, "misc=%d", misc, "unrecoverable-errors",
+ "gfid=%s", gfid, NULL);
-sorry_no_fix:
- /* TODO: need to put appropriate local->op_errno */
- dht_selfheal_dir_finish (frame, this, ret, 1);
+ ret = 0;
+ goto sorry_no_fix;
+ }
- return 0;
-}
+ dht_layout_sort_volname(layout);
+ local->heal_layout = _gf_true;
-int
-dht_selfheal_restore (call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk,
- loc_t *loc, dht_layout_t *layout)
-{
- int ret = 0;
- dht_local_t *local = NULL;
+ /* Ignore return value as it can be inferred from result of
+ * dht_layout_anomalies
+ */
+ dht_selfheal_dir_getafix(frame, loc, layout);
- local = frame->local;
+ if (!(local->selfheal.hole_cnt || local->selfheal.overlaps_cnt ||
+ local->selfheal.missing_cnt)) {
+ local->heal_layout = _gf_false;
+ }
- local->selfheal.dir_cbk = dir_cbk;
- local->selfheal.layout = dht_layout_ref (frame->this, layout);
+ ret = dht_selfheal_dir_mkdir(frame, loc, layout, 0);
+ if (ret < 0) {
+ ret = 0;
+ goto sorry_no_fix;
+ }
- ret = dht_selfheal_dir_mkdir (frame, loc, layout, 1);
+ return 0;
- return ret;
+sorry_no_fix:
+ /* TODO: need to put appropriate local->op_errno */
+ dht_selfheal_dir_finish(frame, this, ret, 1);
+
+ return 0;
}
int
-dht_dir_heal_xattrs (void *data)
+dht_selfheal_restore(call_frame_t *frame, dht_selfheal_dir_cbk_t dir_cbk,
+ loc_t *loc, dht_layout_t *layout)
{
- call_frame_t *frame = NULL;
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- xlator_t *mds_subvol = NULL;
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- dict_t *user_xattr = NULL;
- dict_t *internal_xattr = NULL;
- dict_t *mds_xattr = NULL;
- dict_t *xdata = NULL;
- int call_cnt = 0;
- int ret = -1;
- int uret = 0;
- int uflag = 0;
- int i = 0;
- int xattr_hashed = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
- int32_t allzero[1] = {0};
-
- GF_VALIDATE_OR_GOTO ("dht", data, out);
-
- frame = data;
- local = frame->local;
- this = frame->this;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO (this->name, local, out);
- mds_subvol = local->mds_subvol;
- conf = this->private;
- GF_VALIDATE_OR_GOTO (this->name, conf, out);
- gf_uuid_unparse(local->loc.gfid, gfid);
+ int ret = 0;
+ dht_local_t *local = NULL;
- if (!mds_subvol) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "No mds subvol for %s gfid = %s",
- local->loc.path, gfid);
- goto out;
- }
+ local = frame->local;
- if ((local->loc.inode && gf_uuid_is_null (local->loc.inode->gfid)) ||
- gf_uuid_is_null (local->loc.gfid)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "No gfid present so skip heal for path %s gfid = %s",
- local->loc.path, gfid);
- goto out;
- }
+ local->selfheal.dir_cbk = dir_cbk;
+ local->selfheal.layout = dht_layout_ref(frame->this, layout);
- internal_xattr = dict_new ();
- if (!internal_xattr) {
- gf_msg (this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, 0,
- "dictionary creation failed");
- goto out;
- }
- xdata = dict_new ();
- if (!xdata) {
- gf_msg (this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, 0,
- "dictionary creation failed");
- goto out;
- }
+ ret = dht_selfheal_dir_mkdir(frame, loc, layout, 1);
- call_cnt = conf->subvolume_cnt;
+ return ret;
+}
- user_xattr = dict_new ();
- if (!user_xattr) {
- gf_msg (this->name, GF_LOG_ERROR, DHT_MSG_NO_MEMORY, 0,
- "dictionary creation failed");
+int
+dht_dir_heal_xattrs(void *data)
+{
+ call_frame_t *frame = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *mds_subvol = NULL;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ dict_t *user_xattr = NULL;
+ dict_t *internal_xattr = NULL;
+ dict_t *mds_xattr = NULL;
+ dict_t *xdata = NULL;
+ int call_cnt = 0;
+ int ret = -1;
+ int uret = 0;
+ int uflag = 0;
+ int i = 0;
+ int xattr_hashed = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+ int32_t allzero[1] = {0};
+
+ GF_VALIDATE_OR_GOTO("dht", data, out);
+
+ frame = data;
+ local = frame->local;
+ this = frame->this;
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO(this->name, local, out);
+ mds_subvol = local->mds_subvol;
+ conf = this->private;
+ GF_VALIDATE_OR_GOTO(this->name, conf, out);
+ gf_uuid_unparse(local->loc.gfid, gfid);
+
+ if (!mds_subvol) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_NO_MDS_SUBVOL, "path=%s",
+ local->loc.path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
+
+ if ((local->loc.inode && gf_uuid_is_null(local->loc.inode->gfid)) ||
+ gf_uuid_is_null(local->loc.gfid)) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_GFID_NOT_PRESENT,
+ "skip-heal path=%s", local->loc.path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
+
+ internal_xattr = dict_new();
+ if (!internal_xattr) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_CREATE_FAILED,
+ "dictionary", NULL);
+ goto out;
+ }
+ xdata = dict_new();
+ if (!xdata) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_CREATE_FAILED,
+ "dictionary", NULL);
+ goto out;
+ }
+
+ call_cnt = conf->subvolume_cnt;
+
+ user_xattr = dict_new();
+ if (!user_xattr) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_CREATE_FAILED,
+ "dictionary", NULL);
+ goto out;
+ }
+
+ ret = syncop_listxattr(local->mds_subvol, &local->loc, &mds_xattr, NULL,
+ NULL);
+ if (ret < 0) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret, DHT_MSG_LIST_XATTRS_FAILED,
+ "path=%s", local->loc.path, "name=%s", local->mds_subvol->name,
+ NULL);
+ }
+
+ if (!mds_xattr)
+ goto out;
+
+ dht_dir_set_heal_xattr(this, local, user_xattr, mds_xattr, &uret, &uflag);
+
+ /* To set quota related xattr need to set GLUSTERFS_INTERNAL_FOP_KEY
+ * key value to 1
+ */
+ if (dict_get(user_xattr, QUOTA_LIMIT_KEY) ||
+ dict_get(user_xattr, QUOTA_LIMIT_OBJECTS_KEY)) {
+ ret = dict_set_int32(xdata, GLUSTERFS_INTERNAL_FOP_KEY, 1);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "key=%s", GLUSTERFS_INTERNAL_FOP_KEY, "path=%s",
+ local->loc.path, NULL);
+ goto out;
+ }
+ }
+ if (uret <= 0 && !uflag)
+ goto out;
+
+ for (i = 0; i < call_cnt; i++) {
+ subvol = conf->subvolumes[i];
+ if (subvol == mds_subvol)
+ continue;
+ if (uret || uflag) {
+ /* Custom xattr heal is required - let posix handle it */
+ ret = dict_set_int8(xdata, "sync_backend_xattrs", _gf_true);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_DICT_SET_FAILED,
+ "path=%s", local->loc.path, "key=%s",
+ "sync_backend_xattrs", NULL);
goto out;
- }
+ }
- ret = syncop_listxattr (local->mds_subvol, &local->loc,
- &mds_xattr, NULL, NULL);
- if (ret < 0) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
+ ret = syncop_setxattr(subvol, &local->loc, user_xattr, 0, xdata,
+ NULL);
+ if (ret) {
+ xattr_hashed = 1;
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "failed to list xattrs for "
- "%s: on %s ",
- local->loc.path, local->mds_subvol->name);
- }
-
- if (!mds_xattr)
- goto out;
-
- dht_dir_set_heal_xattr (this, local, user_xattr, mds_xattr,
- &uret, &uflag);
-
- /* To set quota related xattr need to set GLUSTERFS_INTERNAL_FOP_KEY
- * key value to 1
- */
- if (dict_get (user_xattr, QUOTA_LIMIT_KEY) ||
- dict_get (user_xattr, QUOTA_LIMIT_OBJECTS_KEY)) {
- ret = dict_set_int32 (xdata, GLUSTERFS_INTERNAL_FOP_KEY, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value: key = %s,"
- " path = %s", GLUSTERFS_INTERNAL_FOP_KEY,
- local->loc.path);
- goto out;
- }
- }
- if (uret <= 0 && !uflag)
- goto out;
-
- for (i = 0; i < call_cnt; i++) {
- subvol = conf->subvolumes[i];
- if (subvol == mds_subvol)
- continue;
- if (uret || uflag) {
- ret = syncop_setxattr (subvol, &local->loc, user_xattr,
- 0, xdata, NULL);
- if (ret) {
- xattr_hashed = 1;
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "Directory xattr heal failed. Failed to set"
- "user xattr on path %s on "
- "subvol %s, gfid = %s ",
- local->loc.path, subvol->name, gfid);
- }
- }
+ "set-user-xattr-failed path=%s", local->loc.path,
+ "subvol=%s", subvol->name, "gfid=%s", gfid, NULL);
+ } else {
+ dict_del(xdata, "sync_backend_xattrs");
+ }
+ }
+ }
+ /* After heal all custom xattr reset internal MDS xattr to 0 */
+ if (!xattr_hashed) {
+ ret = dht_dict_set_array(internal_xattr, conf->mds_xattr_key, allzero,
+ 1);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_WARNING, ENOMEM, DHT_MSG_DICT_SET_FAILED,
+ "key=%s", conf->mds_xattr_key, "path=%s", local->loc.path,
+ NULL);
+ goto out;
}
- /* After heal all custom xattr reset internal MDS xattr to 0 */
- if (!xattr_hashed) {
- ret = dht_dict_set_array (internal_xattr,
- conf->mds_xattr_key,
- allzero, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_WARNING, ENOMEM,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set dictionary value:key = %s for "
- "path %s", conf->mds_xattr_key,
- local->loc.path);
- goto out;
- }
- ret = syncop_setxattr (mds_subvol, &local->loc, internal_xattr,
- 0, NULL, NULL);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_DIR_XATTR_HEAL_FAILED,
- "Failed to reset internal xattr "
- "on path %s on subvol %s"
- "gfid = %s ", local->loc.path,
- mds_subvol->name, gfid);
- }
+ ret = syncop_setxattr(mds_subvol, &local->loc, internal_xattr, 0, NULL,
+ NULL);
+ if (ret) {
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_DIR_XATTR_HEAL_FAILED, "path=%s", local->loc.path,
+ "subvol=%s", mds_subvol->name, "gfid=%s", gfid, NULL);
}
+ }
out:
- if (user_xattr)
- dict_unref (user_xattr);
- if (mds_xattr)
- dict_unref (mds_xattr);
- if (internal_xattr)
- dict_unref (internal_xattr);
- if (xdata)
- dict_unref (xdata);
- return 0;
+ if (user_xattr)
+ dict_unref(user_xattr);
+ if (mds_xattr)
+ dict_unref(mds_xattr);
+ if (internal_xattr)
+ dict_unref(internal_xattr);
+ if (xdata)
+ dict_unref(xdata);
+ return 0;
}
-
int
-dht_dir_heal_xattrs_done (int ret, call_frame_t *sync_frame, void *data)
+dht_dir_heal_xattrs_done(int ret, call_frame_t *sync_frame, void *data)
{
- DHT_STACK_DESTROY (sync_frame);
- return 0;
+ DHT_STACK_DESTROY(sync_frame);
+ return 0;
}
-
int
-dht_dir_attr_heal (void *data)
+dht_dir_attr_heal(void *data)
{
- call_frame_t *frame = NULL;
- dht_local_t *local = NULL;
- xlator_t *subvol = NULL;
- xlator_t *mds_subvol = NULL;
- xlator_t *this = NULL;
- dht_conf_t *conf = NULL;
- int call_cnt = 0;
- int ret = -1;
- int i = 0;
- char gfid[GF_UUID_BUF_SIZE] = {0};
-
-
- GF_VALIDATE_OR_GOTO ("dht", data, out);
-
- frame = data;
- local = frame->local;
- mds_subvol = local->mds_subvol;
- this = frame->this;
- GF_VALIDATE_OR_GOTO ("dht", this, out);
- GF_VALIDATE_OR_GOTO ("dht", local, out);
- conf = this->private;
- GF_VALIDATE_OR_GOTO ("dht", conf, out);
-
- call_cnt = conf->subvolume_cnt;
-
- if (!__is_root_gfid (local->stbuf.ia_gfid) && (!mds_subvol)) {
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_ATTR_HEAL_FAILED,
- "No mds subvol for %s gfid = %s",
- local->loc.path, gfid);
- goto out;
- }
-
- if (!__is_root_gfid (local->stbuf.ia_gfid)) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->subvolumes[i] == mds_subvol) {
- if (!conf->subvolume_status[i]) {
- gf_msg (this->name, GF_LOG_ERROR,
- 0, DHT_MSG_HASHED_SUBVOL_DOWN,
- "mds subvol is down for path "
- " %s gfid is %s Unable to set xattr " ,
- local->loc.path, gfid);
- goto out;
- }
- }
- }
+ call_frame_t *frame = NULL;
+ dht_local_t *local = NULL;
+ xlator_t *subvol = NULL;
+ xlator_t *mds_subvol = NULL;
+ xlator_t *this = NULL;
+ dht_conf_t *conf = NULL;
+ int call_cnt = 0;
+ int ret = -1;
+ int i = 0;
+ char gfid[GF_UUID_BUF_SIZE] = {0};
+
+ GF_VALIDATE_OR_GOTO("dht", data, out);
+
+ frame = data;
+ local = frame->local;
+ this = frame->this;
+ GF_VALIDATE_OR_GOTO("dht", this, out);
+ GF_VALIDATE_OR_GOTO("dht", local, out);
+ conf = this->private;
+ GF_VALIDATE_OR_GOTO("dht", conf, out);
+
+ mds_subvol = local->mds_subvol;
+ call_cnt = conf->subvolume_cnt;
+
+ if (!__is_root_gfid(local->stbuf.ia_gfid) && (!mds_subvol)) {
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_NO_MDS_SUBVOL, "path=%s",
+ local->loc.path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
+
+ if (!__is_root_gfid(local->stbuf.ia_gfid)) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->subvolumes[i] == mds_subvol) {
+ if (!conf->subvolume_status[i]) {
+ gf_smsg(this->name, GF_LOG_ERROR, 0,
+ DHT_MSG_MDS_DOWN_UNABLE_TO_SET, "path=%s",
+ local->loc.path, "gfid=%s", gfid, NULL);
+ goto out;
+ }
+ }
+ }
+ }
+
+ for (i = 0; i < call_cnt; i++) {
+ subvol = conf->subvolumes[i];
+ if (!subvol || subvol == mds_subvol)
+ continue;
+ if (__is_root_gfid(local->stbuf.ia_gfid)) {
+ ret = syncop_setattr(
+ subvol, &local->loc, &local->stbuf,
+ (GF_SET_ATTR_UID | GF_SET_ATTR_GID | GF_SET_ATTR_MODE), NULL,
+ NULL, NULL, NULL);
+ } else {
+ ret = syncop_setattr(
+ subvol, &local->loc, &local->mds_stbuf,
+ (GF_SET_ATTR_UID | GF_SET_ATTR_GID | GF_SET_ATTR_MODE), NULL,
+ NULL, NULL, NULL);
}
- for (i = 0; i < call_cnt; i++) {
- subvol = conf->subvolumes[i];
- if (!subvol || subvol == mds_subvol)
- continue;
- if (__is_root_gfid (local->stbuf.ia_gfid)) {
- ret = syncop_setattr (subvol, &local->loc, &local->stbuf,
- (GF_SET_ATTR_UID | GF_SET_ATTR_GID | GF_SET_ATTR_MODE),
- NULL, NULL, NULL, NULL);
- } else {
- ret = syncop_setattr (subvol, &local->loc, &local->mds_stbuf,
- (GF_SET_ATTR_UID | GF_SET_ATTR_GID | GF_SET_ATTR_MODE),
- NULL, NULL, NULL, NULL);
- }
-
- if (ret) {
- gf_uuid_unparse(local->loc.gfid, gfid);
+ if (ret) {
+ gf_uuid_unparse(local->loc.gfid, gfid);
- gf_msg (this->name, GF_LOG_ERROR, -ret,
- DHT_MSG_DIR_ATTR_HEAL_FAILED,
- "Directory attr heal failed. Failed to set"
- " uid/gid on path %s on subvol %s, gfid = %s ",
- local->loc.path, subvol->name, gfid);
- }
+ gf_smsg(this->name, GF_LOG_ERROR, -ret,
+ DHT_MSG_DIR_ATTR_HEAL_FAILED, "path=%s", local->loc.path,
+ "subvol=%s", subvol->name, "gfid=%s", gfid, NULL);
}
+ }
out:
- return 0;
+ return 0;
}
int
-dht_dir_attr_heal_done (int ret, call_frame_t *sync_frame, void *data)
+dht_dir_attr_heal_done(int ret, call_frame_t *sync_frame, void *data)
{
- DHT_STACK_DESTROY (sync_frame);
- return 0;
+ DHT_STACK_DESTROY(sync_frame);
+ return 0;
}
/* EXIT: dht_update_commit_hash_for_layout */
-int
-dht_update_commit_hash_for_layout_done (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret, int32_t op_errno,
- dict_t *xdata)
+static int
+dht_update_commit_hash_for_layout_done(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
+ dht_local_t *local = NULL;
- local = frame->local;
+ local = frame->local;
- /* preserve oldest error */
- if (op_ret && !local->op_ret) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- }
+ /* preserve oldest error */
+ if (op_ret && !local->op_ret) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ }
- DHT_STACK_UNWIND (setxattr, frame, local->op_ret,
- local->op_errno, NULL);
+ DHT_STACK_UNWIND(setxattr, frame, local->op_ret, local->op_errno, NULL);
- return 0;
+ return 0;
}
-int
-dht_update_commit_hash_for_layout_unlock (call_frame_t *frame, xlator_t *this)
+static int
+dht_update_commit_hash_for_layout_unlock(call_frame_t *frame, xlator_t *this)
{
- dht_local_t *local = NULL;
- int ret = 0;
+ dht_local_t *local = NULL;
+ int ret = 0;
- local = frame->local;
+ local = frame->local;
- ret = dht_unlock_inodelk (frame, local->lock[0].layout.my_layout.locks,
- local->lock[0].layout.my_layout.lk_count,
- dht_update_commit_hash_for_layout_done);
- if (ret < 0) {
- /* preserve oldest error, just ... */
- if (!local->op_ret) {
- local->op_errno = errno;
- local->op_ret = -1;
- }
+ ret = dht_unlock_inodelk(frame, local->lock[0].layout.my_layout.locks,
+ local->lock[0].layout.my_layout.lk_count,
+ dht_update_commit_hash_for_layout_done);
+ if (ret < 0) {
+ /* preserve oldest error, just ... */
+ if (!local->op_ret) {
+ local->op_errno = errno;
+ local->op_ret = -1;
+ }
- gf_msg (this->name, GF_LOG_WARNING, errno,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Winding unlock failed: stale locks left on brick"
- " %s", local->loc.path);
+ gf_smsg(this->name, GF_LOG_WARNING, errno, DHT_MSG_WIND_UNLOCK_FAILED,
+ "path=%s", local->loc.path, NULL);
- dht_update_commit_hash_for_layout_done (frame, NULL, this,
- 0, 0, NULL);
- }
+ dht_update_commit_hash_for_layout_done(frame, NULL, this, 0, 0, NULL);
+ }
- return 0;
+ return 0;
}
-int
-dht_update_commit_hash_for_layout_cbk (call_frame_t *frame, void *cookie,
- xlator_t *this, int op_ret,
- int op_errno, dict_t *xdata)
+static int
+dht_update_commit_hash_for_layout_cbk(call_frame_t *frame, void *cookie,
+ xlator_t *this, int op_ret, int op_errno,
+ dict_t *xdata)
{
- dht_local_t *local = NULL;
- int this_call_cnt = 0;
+ dht_local_t *local = NULL;
+ int this_call_cnt = 0;
- local = frame->local;
+ local = frame->local;
- LOCK (&frame->lock);
- /* store first failure, just because */
- if (op_ret && !local->op_ret) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- }
- UNLOCK (&frame->lock);
+ LOCK(&frame->lock);
+ /* store first failure, just because */
+ if (op_ret && !local->op_ret) {
+ local->op_ret = op_ret;
+ local->op_errno = op_errno;
+ }
+ UNLOCK(&frame->lock);
- this_call_cnt = dht_frame_return (frame);
+ this_call_cnt = dht_frame_return(frame);
- if (is_last_call (this_call_cnt)) {
- dht_update_commit_hash_for_layout_unlock (frame, this);
- }
+ if (is_last_call(this_call_cnt)) {
+ dht_update_commit_hash_for_layout_unlock(frame, this);
+ }
- return 0;
+ return 0;
}
-int
-dht_update_commit_hash_for_layout_resume (call_frame_t *frame, void *cookie,
- xlator_t *this, int32_t op_ret,
- int32_t op_errno, dict_t *xdata)
+static int
+dht_update_commit_hash_for_layout_resume(call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret,
+ int32_t op_errno, dict_t *xdata)
{
- dht_local_t *local = NULL;
- int count = 1, ret = -1, i = 0, j = 0;
- dht_conf_t *conf = NULL;
- dht_layout_t *layout = NULL;
- int32_t *disk_layout = NULL;
- dict_t **xattr = NULL;
-
- local = frame->local;
- conf = frame->this->private;
- count = conf->local_subvols_cnt;
- layout = local->layout;
-
- if (op_ret < 0) {
- goto err_done;
- }
-
- /* We precreate the xattr list as we cannot change call count post the
- * first wind as we may never continue from there. So we finish prep
- * work before winding the setxattrs */
- xattr = GF_CALLOC (count, sizeof (*xattr), gf_common_mt_char);
- if (!xattr) {
- local->op_errno = errno;
+ dht_local_t *local = NULL;
+ int count = 1, ret = -1, i = 0, j = 0;
+ dht_conf_t *conf = NULL;
+ dht_layout_t *layout = NULL;
+ int32_t *disk_layout = NULL;
+ dict_t **xattr = NULL;
+
+ local = frame->local;
+ conf = frame->this->private;
+ count = conf->local_subvols_cnt;
+ layout = local->layout;
+
+ if (op_ret < 0) {
+ goto err_done;
+ }
+
+ /* We precreate the xattr list as we cannot change call count post the
+ * first wind as we may never continue from there. So we finish prep
+ * work before winding the setxattrs */
+ xattr = GF_CALLOC(count, sizeof(*xattr), gf_common_mt_char);
+ if (!xattr) {
+ local->op_errno = errno;
+
+ gf_smsg(this->name, GF_LOG_WARNING, errno, DHT_MSG_COMMIT_HASH_FAILED,
+ "allocation-failed path=%s", local->loc.path, NULL);
+
+ goto err;
+ }
+
+ for (i = 0; i < count; i++) {
+ /* find the layout index for the subvolume */
+ ret = dht_layout_index_for_subvol(layout, conf->local_subvols[i]);
+ if (ret < 0) {
+ local->op_errno = ENOENT;
- gf_msg (this->name, GF_LOG_WARNING, errno,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Directory commit hash update failed:"
- " %s: Allocation failed", local->loc.path);
+ gf_smsg(this->name, GF_LOG_WARNING, 0, DHT_MSG_COMMIT_HASH_FAILED,
+ "path=%s", local->loc.path, "subvol=%s",
+ conf->local_subvols[i]->name, "find-disk-layout-failed",
+ NULL);
- goto err;
+ goto err;
}
+ j = ret;
- for (i = 0; i < count; i++) {
- /* find the layout index for the subvolume */
- ret = dht_layout_index_for_subvol (layout,
- conf->local_subvols[i]);
- if (ret < 0) {
- local->op_errno = ENOENT;
-
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Directory commit hash update failed:"
- " %s: (subvol %s) Failed to find disk layout",
- local->loc.path, conf->local_subvols[i]->name);
-
- goto err;
- }
- j = ret;
-
- /* update the commit hash for the layout */
- layout->list[j].commit_hash = layout->commit_hash;
+ /* update the commit hash for the layout */
+ layout->list[j].commit_hash = layout->commit_hash;
- /* extract the current layout */
- ret = dht_disk_layout_extract (this, layout, j, &disk_layout);
- if (ret == -1) {
- local->op_errno = errno;
-
- gf_msg (this->name, GF_LOG_WARNING, errno,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Directory commit hash update failed:"
- " %s: (subvol %s) Failed to extract disk"
- " layout", local->loc.path,
- conf->local_subvols[i]->name);
+ /* extract the current layout */
+ ret = dht_disk_layout_extract(this, layout, j, &disk_layout);
+ if (ret == -1) {
+ local->op_errno = errno;
- goto err;
- }
+ gf_smsg(this->name, GF_LOG_WARNING, errno,
+ DHT_MSG_COMMIT_HASH_FAILED, "path=%s", local->loc.path,
+ "subvol=%s", conf->local_subvols[i]->name,
+ "extract-disk-layout-failed", NULL);
- xattr[i] = dict_new ();
- if (!xattr[i]) {
- local->op_errno = errno;
+ goto err;
+ }
- gf_msg (this->name, GF_LOG_WARNING, errno,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Directory commit hash update failed:"
- " %s: Allocation failed", local->loc.path);
+ xattr[i] = dict_new();
+ if (!xattr[i]) {
+ local->op_errno = errno;
- goto err;
- }
+ gf_smsg(this->name, GF_LOG_WARNING, errno,
+ DHT_MSG_COMMIT_HASH_FAILED, "path=%s Allocation-failed",
+ local->loc.path, NULL);
- ret = dict_set_bin (xattr[i], conf->xattr_name,
- disk_layout, 4 * 4);
- if (ret != 0) {
- local->op_errno = ENOMEM;
+ goto err;
+ }
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_DIR_SELFHEAL_XATTR_FAILED,
- "Directory self heal xattr failed:"
- "%s: (subvol %s) Failed to set xattr"
- " dictionary,", local->loc.path,
- conf->local_subvols[i]->name);
+ ret = dict_set_bin(xattr[i], conf->xattr_name, disk_layout, 4 * 4);
+ if (ret != 0) {
+ local->op_errno = ENOMEM;
- goto err;
- }
- disk_layout = NULL;
+ gf_smsg(this->name, GF_LOG_WARNING, 0,
+ DHT_MSG_DIR_SELFHEAL_XATTR_FAILED, "path=%s",
+ local->loc.path, "subvol=%s", conf->local_subvols[i]->name,
+ "set-xattr-failed", NULL);
- gf_msg_trace (this->name, 0,
- "setting commit hash %u on subvolume %s"
- " for %s", layout->list[j].commit_hash,
- conf->local_subvols[i]->name, local->loc.path);
+ goto err;
}
+ disk_layout = NULL;
- /* wind the setting of the commit hash across the local subvols */
- local->call_cnt = count;
- local->op_ret = 0;
- local->op_errno = 0;
+ gf_msg_trace(this->name, 0,
+ "setting commit hash %u on subvolume %s"
+ " for %s",
+ layout->list[j].commit_hash, conf->local_subvols[i]->name,
+ local->loc.path);
+ }
+
+ /* wind the setting of the commit hash across the local subvols */
+ local->call_cnt = count;
+ local->op_ret = 0;
+ local->op_errno = 0;
+ for (i = 0; i < count; i++) {
+ STACK_WIND(frame, dht_update_commit_hash_for_layout_cbk,
+ conf->local_subvols[i],
+ conf->local_subvols[i]->fops->setxattr, &local->loc,
+ xattr[i], 0, NULL);
+