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* fuse resolve related changesAmar Tumballi2010-08-111-1/+1
| | | | | | | | | | | | | Now fuse is fully complaint with DVM, as even if there is a fop request on inode belonging to old graph, it will be resolved corresponding to new graph and operations will be performed wrt. new graph, which makes DVM truely spontaneous. Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1240 (DVM: after graph change, inodes should resolve to new inode-table) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1240
* performance/io-cache: Disable caching when files are opened with GF_OPEN_NOWBRaghavendra G2010-08-062-0/+6
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1168 (Disable caching when files are opened with GF_OPEN_NOWB) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1168
* Remove dead variables.Sachidananda2010-08-021-2/+1
| | | | | | | | Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1106 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1106
* Remove unused variables.Sachidananda2010-08-021-18/+8
| | | | | | | | Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1107 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1107
* Remove unused variablesSachidananda2010-08-021-2/+0
| | | | | | | | Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1105 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1105
* Remove dead variables reported by clang.Sachidananda2010-08-021-13/+4
| | | | | | | | Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1108 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1108
* Remove dead variables reported by clang.Sachidananda2010-08-021-1/+1
| | | | | | | | Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1110 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1110
* some check added to the variables after GF_CALLOCAmar Tumballi2010-07-281-4/+6
| | | | | | | | | | | handles some NULL dereference problems (reported by clang when ran with code where '#define GF_CALLOC NULL'). Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 966 (NULL check for avoiding NULL dereferencing of pointers..) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=966
* Delete dead assignments.Sachidananda2010-07-201-6/+1
| | | | | | | | Signed-off-by: Sachidananda Urs <sac@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1113 () URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1113
* performance/symlink-cache convert STACK_UNWIND to STACK_UNWIND_STRICTshishir gowda2010-07-201-4/+4
| | | | | | | | Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 269 (Add a specialized STACK_UNWIND macro for each FOP) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=269
* performance/stat-prefetch convert STACK_UNWIND TO STACK_UNWIND_STRICTshishir gowda2010-07-201-2/+2
| | | | | | | | Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 269 (Add a specialized STACK_UNWIND macro for each FOP) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=269
* dump total cache used in quickread in the statedump informationRaghavendra Bhat2010-07-191-1/+4
| | | | | | | | Signed-off-by: Raghavendra Bhat <raghavendrabhat@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1059 (enhancements for getting statistics from performance translators) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1059
* typo error: should check for less than instead of greater thanRaghavendra Bhat2010-07-131-1/+1
| | | | | | | | Signed-off-by: Raghavendra Bhat <raghavendrabhat@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1059 (enhancements for getting statistics from performance translators) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1059
* dump total files cached in quick-read in statedump informationRaghavendra Bhat2010-07-121-0/+24
| | | | | | | | Signed-off-by: Raghavendra Bhat <raghavendrabhat@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1059 (enhancements for getting statistics from performance translators) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1059
* performance/io-cache: implement mknod fop.Raghavendra G2010-07-081-1/+85
| | | | | | | | | | | | - mknod_cbk has to initialize ioc_inode context, since there is a possibility that open following immediately after mknod may not result in lookup before open fop. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1054 (Crash in ioc_open_cbk) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1054
* removed 'fop->checksum' from codebase as its not required anymoreAmar Tumballi2010-07-062-151/+0
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 734 (keep only the working/usable code in build tree to focus more on development) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=734
* NULL dereference fixes in code base after running with 'clang'Amar Tumballi2010-07-022-6/+7
| | | | | | | | | | | | * 212 logical (NULL deref/divide by zero) errors reduced to 28 (27 of them in contrib/ and lex part of codebase, 1 is invalid) * 11 API errors reduced to 0 Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 966 (NULL check for avoiding NULL dereferencing of pointers..) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=966
* performance/write-behind: explicitly enforce ordering of overlapping writes.Raghavendra G2010-07-021-173/+279
| | | | | | | | | | | | | | | | | - If there are non-contiguous offsets (offsets which do not start where previous write ended), wait for completion of previous writes to server, before sending new ones. - Send flush call to server only when all writes are completed. - If a file is opened with O_APPEND, at any point of time a maximum only one write call to server should be in transit. This is to avoid reordering of writes in the presence of afr which can result in data corruption. See bug #934 for more details. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 970 (extracting kernel tarball hangs midway.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=970
* io-threads: initialize conf->w_attrAnand Avati2010-06-221-0/+2
| | | | | | | | | | | Uninitialized value was causing pthread_create() to fail on solaris resulting in hung calls Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 1001 (unclean termination upon getting signalled) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1001
* performance/io-cache: destroy table->mem_pool in fini.Raghavendra G2010-06-221-1/+8
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 995 (memory leak in io-cache) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=995
* Revert "performance/write-behind: explicitly enforce ordering of overlapping ↵Anand V. Avati2010-06-151-126/+128
| | | | | | writes." This reverts commit e46c613364cd90f9c277db8b0733a99fc1d255de.
* mem-types: include *-mem-types.h in noinst_HEADERS variables in all Makefile.amAnand Avati2010-06-086-5/+7
| | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 329 (Replacing memory allocation functions with mem-type functions) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=329
* quick-read: fix size parameter to GF_CALLOC of priv to fix mem corruptionAnand Avati2010-06-071-1/+1
| | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 723 (enhancements to quick read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=723
* performance/quick-read: fix the size-to-be pruned.Raghavendra G2010-06-031-2/+2
| | | | | | | | | | | - size-to-be pruned used to be a negative number because of cache-used being subtracted from configured cache-limit (with cache-used > cache-limit). Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 980 (quick read - fetching from backend issue) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=980
* performance/quick-read: set default cache-size value to 128MB.Raghavendra G2010-06-031-1/+3
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 723 (enhancements to quick read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=723
* performance/write-behind: explicitly enforce ordering of overlapping writes.Raghavendra G2010-05-261-128/+126
| | | | | | | | | | | | | | | | | - If there are non-contiguous offsets (offsets which do not start where previous write ended), wait for completion of previous writes to server before sending new ones. - Send flush call to server only when all writes are completed. - If a file is opened with O_APPEND, at any point of time a maximum only one write call to server should be in transit. This is to avoid reordering of writes in the presence of afr which can result in data corruption. See bug #934 for more details. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 934 (md5sum mismatch when files are transferred using vsftpd) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=934
* performance/quick-read: implement an upper size limit for the cache.Raghavendra G2010-05-263-254/+610
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 723 (enhancements to quick read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=723
* write-behind: update default values for better small file performanceAnand Avati2010-05-131-2/+2
| | | | | | | | | Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 898 (small file performance enhancements) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=898
* performance/read-ahead: don't set ra_file in fd->ctx unless all memebers of ↵Raghavendra G2010-05-041-5/+15
| | | | | | | | | | | | | | | | | ra_file is initialized - If ptr to ra_file is set in fd->ctx even before initializing all its members, A race condition may occur b/w a thread executing ra_fstat, ra_readv etc (where all files open on the same inode are flushed) and the thread doing initialization of ra_file (in ra_open_cbk or ra_create_cbk). Because of this race-condition, flush_region might be called on an uninitialized ra_file, thereby causing crash. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 868 (crash in ra_fstat) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=868
* crash fixed in stat-prefetch.cPradeep Patil2010-05-031-1/+1
| | | | | | | | Signed-off-by: Pradeep Patil <pradeep@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 876 (crash in stat-prefetch) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=876
* frame's 'op', 'type' restructuredAmar Tumballi2010-05-037-19/+0
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
* performance/io-cache: Dump private informationVijay Bellur2010-04-291-0/+34
| | | | | | | | Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 828 (glusterdump filled up the /) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=828
* performance/quick-read: don't try to validate again if qr_readv is called ↵Raghavendra G2010-04-272-4/+13
| | | | | | | | | | just after validation. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 852 (QR cache-timeout 0 causes high CPU usage and app hangs) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=852
* stat-prefetch: Remove checks for loc->parentShehjar Tikoo2010-04-231-32/+0
| | | | | | | | | | | | ..because loc->parent can be NULL for the root inode. Having this check makes sp return EINVAL on perfectly valid fops. Signed-off-by: Shehjar Tikoo <shehjart@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 845 (NFS BETA Test - Test Case 1: 4dist-repl-chown1m) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=845
* Memory accounting changesVijay Bellur2010-04-2319-151/+528
| | | | | | | | | | | Memory accounting Changes. Thanks to Vinayak Hegde and Csaba Henk for their contributions. Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 329 (Replacing memory allocation functions with mem-type functions) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=329
* performance/quick-read: read directly from backend for fds opened with ↵Raghavendra G2010-04-082-2/+12
| | | | | | | | | | O_DIRECT flag. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 723 (enhancements to quick read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=723
* performance/quick-read: make use of nanosecond resolution of mtime to decide ↵Raghavendra G2010-04-081-2/+5
| | | | | | | | | | whether to keep cache or not. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 801 (Direct io-mode support and related changes in caching translators.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=801
* performance/io-cache: make use of nano second resolution of mtime during ↵Raghavendra G2010-04-083-5/+14
| | | | | | | | | | cache validation. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 801 (Direct io-mode support and related changes in caching translators.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=801
* fop namespace cleanup.Amar Tumballi2010-03-311-134/+0
| | | | | | | | | | | | removed 'lock_notify', 'lock_fnotify', 'setdents', 'getdents' from 'fop' list, and removed 'stats' from mop list, as they are no more used in the codebase, and had made code bulky/buggy. Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 734 (keep only the working/usable code in build tree to focus more on development) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=734
* performance/write-behind: Resume all the consecutive non-write operations in ↵Raghavendra G2010-03-291-3/+0
| | | | | | | | | | the request queue in a single go. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 740 (read-ahead does not work to its full potential when loaded on top of write-behind) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=740
* iatt: changes across the codebaseAnand V. Avati2010-03-1614-213/+169
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - libglusterfs -- call-stub -- inode -- protocol - libglusterfsclient - cluster/replicate - cluster/{dht,nufa,switch} - cluster/unify - cluster/HA - cluster/map - cluster/stripe - debug/error-gen - debug/trace - debug/io-stats - encryption/rot-13 - features/filter - features/locks - features/path-converter - features/quota - features/trash - mount/fuse - performance/io-threads - performance/io-cache - performance/quick-read - performance/read-ahead - performance/stat-prefetch - performance/symlink-cache - performance/write-behind - protocol/client - protocol/server - storage-posix Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 361 (GlusterFS 3.0 should work on Mac OS/X) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=361
* quick-read: Store and propagate wbflags argument in open fopShehjar Tikoo2010-03-042-12/+22
| | | | | | | | | | | | ..this is needed to ensure underlying translators like write-behind, ioc, etc, do not return zero-filled stats to NFSx. Signed-off-by: Shehjar Tikoo <shehjart@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 597 (miscellaneous fixes for xlators to work well with NFS xlator) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=597
* io-threads: more fixesAnand Avati2010-02-272-7/+14
| | | | | | | | | | | | * conditional for scaling up threads was wrong * ETIMEDOUT check was performed wrongly Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 583 (filesystem access hangs while deleting large files) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=583
* performance/write-behind: fix data corruption while aggregating the adjacent ↵Raghavendra G2010-02-221-4/+55
| | | | | | | | | | | | | | | | | contiguous iobufs into a single iobuf - while aggregating, we should make sure that the destination has enough memory. __wb_collapse_write_bufs assumed that destination vector's iov_base was aligned to the start of an iobuf and hence memory of page_size is available for aggregation. This assumption is not always true, like in the configuration consisting afr->write->io-cache (afr is on top). Refer to the bug url for more details. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 542 (write-behind crashes) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=542
* performance/write-behind: refactor __wb_collapse_write_bufsRaghavendra G2010-02-221-36/+38
| | | | | | | | | | - refactor done to remove duplicated code. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 542 (write-behind crashes) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=542
* performance/io-cache: set path in local during lookup.Raghavendra G2010-02-221-0/+40
| | | | | | | | Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 570 (Cache only those files whose sizes falls under a configured window size) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=570
* io-threads: single queue/multi-thread modelAnand Avati2010-02-222-956/+154
| | | | | | | | | | | | | | | | | | This patch lets io-threads work with a single queue and multiple threads work on picking the next request from the queue and process it. Whenever the number of pending requests in the queue double, a new worker thread is spawned. Workers expire after a (configurable) timeout of inactivity Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 583 (filesystem access hangs while deleting large files) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=583
* common-utils: gf_log2 handles 0 inputAnand Avati2010-02-221-1/+1
| | | | | | | | | Signed-off-by: Anand V. Avati <avati@amp.gluster.com> Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 583 (filesystem access hangs while deleting large files) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=583
* performance/write-behind: Set right an incorrect message displayed in logVijay Bellur2010-01-291-1/+1
| | | | | | | | Signed-off-by: Vijay Bellur <vijay@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 579 (write-behind cache-size less than 128KB leads to error) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=579
* performance/io-cache: cache only those files whose size falls under ↵Raghavendra G2010-01-252-64/+130
| | | | | | | | | | configured window. Signed-off-by: Raghavendra G <raghavendra@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 570 (Cache only those files whose sizes falls under a configured window size) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=570
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