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* protocol/server: deep resolution supportAnand Avati2009-10-233-59/+188
| | | | | | | | | | | | | | when requested ino/gen is not available in the inode table cache, then use the path presented by the client to lookup entries with the hope that the requested ino/gen gets populated into the cache. re-perform regular search after finishing the deep component lookup Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* protocol/server: send fresh lookups on revalidate failuresAnand Avati2009-10-231-1/+23
| | | | | | | | | also unlink non existent dentries in lookup_cbk Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* whitespace fixesAnand Avati2009-10-231-3105/+3105
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* cluster/afr: Pipeline the "full" data self-heal read-write loop.Vikas Gorur2009-10-234-55/+243
| | | | | | | | | | | | | Start upto "data-self-heal-window-size" instances of the read-write loop of the "full" data self-heal algorithm simultaneously. Add a new option "data-self-heal-window-size" with range [1-1024], and a default value of 16. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 320 (Improve self-heal performance) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=320
* cluster/afr: Prevent spurious entry self-heal.Vikas Gorur2009-10-231-2/+13
| | | | | | | | | | | | | | If the initial lookup shows that 'pending' is positive, then self-heal will hold a lock and do a lookup again. This lookup might show that 'pending' is zero everywhere. However, entry self-heal used to consider this as a case of 'no sources' and try to merge the directories. This patch checks for that case and does not do the merge. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 326 ([2.0.8rc9] Spurious self-heal) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=326
* fuse-bridge: send fresh lookup on failed revalidate to return new nodeidAnand Avati2009-10-231-47/+56
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* inode.c: whitespace fixesAnand Avati2009-10-231-16/+15
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* cluster/afr: entry self-heal: Store parent_loc on the heap for ↵Vikas Gorur2009-10-221-7/+12
| | | | | | | | | impunge_parent_setattr. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 137 (Parent directory mtime not reset after a create in self-heal) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=137
* cluster/afr: entry self-heal: Set parent directory's attributes using a new ↵Vikas Gorur2009-10-221-24/+20
| | | | | | | | | | | | | | | | | | | | | frame. There was a race condition in assuming that afr_sh_entry_impunge_parent_setattr_cbk will always return before impunge_xattrop_cbk and impunge_setattr_cbk. This patch fixes two additional problems: 1) Building the parent_loc from impunge_local->loc after STACK_WIND to impunge_xattrop_cbk has happened. In a simple afr-posix configuration the stack will have been destroyed by the time building of parent_loc is attempted. 2) parent_loc built in impunge_newfile_cbk was not being loc_wipe'd. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 137 (Parent directory mtime not reset after a create in self-heal) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=137
* glusterfsd.c: Unnecessary writing of strerror of errorno on pipevinayak hegde2009-10-211-16/+17
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 4 (mount --bind fails if run immediately after mounting GlusterFS) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=4
* protocol/server: generation number and dentry resolutionAnand Avati2009-10-207-3028/+1680
| | | | | | | | | | - handle generation number in protocol - rewrite server dentry resolution code for inode cache miss Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* inode: fix internal refs and minor fixesAnand Avati2009-10-201-10/+20
| | | | | | | | | * also fix trailing whitespaces in a couple of places Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* performance/write-behind: fix to bug in setattr which was causing frames to ↵Raghavendra G2009-10-201-1/+2
| | | | | | | | | | | | | | | be missed. - local->file was being assigned even before file pointer was got from any of the fds opened on the inode, thus making local->file to be NULL. In wb_setattr_cbk, since local->file is NULL (and hence file passed to wb_process_queue), wb_process_queue does not resume the pending operations queued for the file. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 327 (dbench does not complete) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=327
* performance/read-ahead: Process state dump operations are added.vinayak hegde2009-10-201-0/+47
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
* performance/quick-read: Process state dump operations are added.vinayak hegde2009-10-201-0/+35
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
* performance/write-behind: Process state dump operations are added.vinayak hegde2009-10-201-0/+43
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 213 (Support for process state dump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=213
* cluster/afr: Attempt to set fd ctx in create only if the call has succeeded.Vikas Gorur2009-10-201-10/+9
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 325 (crash in afr_fd_ctx_set) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=325
* protocol/client: incoroporate generation numbersAnand Avati2009-10-181-52/+105
| | | | | | | | | | protocol/client uses the new inode_ctx_{get,put}2 API to store both inode and generation number in context Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* protocol: format changes to incorporate generation numbersAnand Avati2009-10-181-10/+56
| | | | | | | | | | incorporate 64bit generation field in all protocol headers to accompany an inode number Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* inode_ctx_{get,put,del}2 API supportAmar Tumballi2009-10-182-26/+98
| | | | | | | | | | support for storing multiple values for a key in inode context - used for storing inode and generation number pairs on the server in protocol/client inode ctx Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* fuse: use inode_t address as nodeid and use new inode APIAnand V. Avati2009-10-181-224/+105
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* inode: API changes for generation number supportAnand V. Avati2009-10-182-156/+196
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* inode: fix indentation and spacingsAnand V. Avati2009-10-181-253/+226
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* locks: fix leak in inodelkAnand Avati2009-10-181-1/+2
| | | | | | | | | unlock was resulting in leak of lock structure if it was unlocking the last existing lock Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 306 (Enhance locks to aid debugging) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=306
* storage/posix: Set right the op_ret value from posix_readlink()Vijay Bellur2009-10-181-4/+6
| | | | | | | | | | Since op_ret was being returned as 0, fuse would regard the readlink () as a failure. Also, set right the buffer size of gen_key in posix_{f, l}stat_with_gen. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* indentation fixes to conform to coding standards in locksAnand Avati2009-10-166-798/+798
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* locks: keep ref on the inode while locks are heldAnand Avati2009-10-166-7/+66
| | | | | | | | | | keeping refs on the inode while there are held locks prevents the inode from getting pruned away Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* posix: posix_{f, l}stat_with_gen to return 0 on success (instead of >= 0)Anand V. Avati2009-10-161-0/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* posix - generation number supportAnand V. Avati2009-10-162-294/+229
| | | | | | | | | | - use sequential gen counter - move span_devices handling and generation assignment to common functions Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* posix - use lchown and lchmod in setattrAnand V. Avati2009-10-161-2/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* distribute - more NULL checkAnand V. Avati2009-10-161-3/+21
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* distribute,nufa: layout handling changesAnand V. Avati2009-10-167-136/+209
| | | | | | | | | | changes to make revalidate not fail but instead perform fresh lookup and swap inode context (layout) safely Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* fix double initialization of dht_local_tAnand V. Avati2009-10-161-7/+0
| | | | | | | | | | This was causing leak of the first initialized frame->local in every create call Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* NULL checks on local->loc.parentAnand V. Avati2009-10-161-17/+36
| | | | | | | | | | | check for presence of local->loc.parent != NULL before defering to pick ino for post/preparent parameters. local->loc.parent can be NULL legally when loc is describing "/" Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 315 (generation number support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315
* performance/write-behind: initialize frame->local before goto out labelvinayak hegde2009-10-161-10/+10
| | | | | | | | | | if mtime,atime are not changed, frame->local will not be initialized. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 310 (While trying to create a file on replicate with write behind set-up, client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=310
* shuffle hash layouts on directoriesAnand Avati2009-10-151-2/+44
| | | | | | | | | | | allow for hash layouts to be written differently for different directories to give a better spread for same filenames across directories Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 324 (distribute does not spread files of the same name among all servers) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=324
* performance/write-behind: In wb_setattr, inode is checked twicevinayak hegde2009-10-151-27/+10
| | | | | | | | | | 1. check for is it a directory, 2. otherwise check for inode and continue. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 310 (While trying to create a file on replicate with write behind set-up, client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=310
* performance/io-cache: remove caching in lookup.Raghavendra G2009-10-151-219/+0
| | | | | | | | | | - caching file contents in io-cache during lookup is obsolete since quick-read does the same work. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 314 (Hang in quick-read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=314
* performance/quick-read: frame->local need not be set in qr_open_cbk.Raghavendra G2009-10-151-4/+1
| | | | | | | | | | - local is used only by certain operations and hence it need not be set by all the operations invoking open. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 323 (fd leak with quick-read loaded in translator tree) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=323
* performance/quick-read: flush should proceed with winding if fd-context is ↵Raghavendra G2009-10-151-2/+1
| | | | | | | | | | | | not found. - if the fd-context is not set, quick-read has no role to play other than just passing down the call to underlying translators. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 317 (Data corruption with write-behind loaded in translator tree.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=317
* storage/posix: Use the right macro to set nsec of mtime in posix_do_utimesVijay Bellur2009-10-151-1/+1
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 296 (handle futimes correctly in FUSE) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=296
* mount/fuse: Initialize attr and set nsec values for atime and mtime.Vijay Bellur2009-10-151-1/+3
| | | | | | | | | | | attr was not being initialized and NSEC values were not being set in attr. These were being referenced in posix_do_utimes which could cause a failure of utimes (). Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 296 (handle futimes correctly in FUSE) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=296
* performance/write-behind:STACK_UNWIND happens only in failure path of wb_stat()Vijay Bellur2009-10-151-1/+2
| | | | | | | | | | Only in case of errors STACK_UNWIND happens in wb_stat(). Also, fixed an incorrect check which would fail all writes. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 309 (In replicate set-up when exnihilate.sh is run , client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=309
* storage/posix: Initialize op_errno to 0 in posix_create.Vijay Bellur2009-10-151-1/+1
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 309 (In replicate set-up when exnihilate.sh is run , client crashes.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=309
* io-cache: NFS-friendly changesShehjar Tikoo2009-10-141-3/+4
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 145 (NFSv3 related additions to 2.1 task list) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=145
* performance/write-behind: return from wb_open after STACK_WINDVijay Bellur2009-10-141-0/+1
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 312 (iozone crash in Distribute-Replicate) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=312
* afr transaction: fix op_ret check during lockingAnand Avati2009-10-131-3/+3
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 112 (parallel deletion of files mounted by different clients on the same back-end hangs and/or does not completely delete) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=112
* cluster/afr: Set mtime of parent directory in self-heal properly.Vikas Gorur2009-10-133-5/+93
| | | | | | | | | | | While creating/deleting an entry as part of entry self-heal, set the parent directory's mtime to match that on the source subvolume. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 137 (Parent directory mtime not reset after a create in self-heal) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=137
* posix/client/server: Send postparent in lookup even if lookup fails on the ↵Vikas Gorur2009-10-133-5/+12
| | | | | | | | | entry itself. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 137 (Parent directory mtime not reset after a create in self-heal) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=137
* prevent spurious unlocks from afr selfhealAnand Avati2009-10-136-23/+90
| | | | | | | | | | afr selfheal now remembers all the nodes on which locks were successfully held and sends unlocks only to those nodes Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 112 (parallel deletion of files mounted by different clients on the same back-end hangs and/or does not completely delete) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=112
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