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* afr transaction prevent spurious unlocksAnand Avati2009-10-131-2/+4
| | | | | | | | | mark a subvol with held lock only if op_ret == 0 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
* performance/write-behind: In wb_setattr file is used before getting fd contextvinayak hegde2009-10-131-1/+17
| | | | | | | 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/write-behind: file is referenced, without checking for NULLvinayak hegde2009-10-131-1/+2
| | | | | | | 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
* cluster/afr: Hold second lock after first lock has been granted for rename ↵Vikas Gorur2009-10-121-30/+84
| | | | | | | | | | | | transactions. Hold the lock on the {higher_path} only after the lock on the {lower_path} has been granted successfully. 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
* protocol/server: Set preparent and postparent in the response struct.Vikas Gorur2009-10-121-1/+17
| | | | | | | 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
* replicate: fix missing frame in entry-self-healAnand Avati2009-10-121-0/+7
| | | | | | | | | | | when files on all backend nodes are missing, the logic in afr_sh_entry_erase_pending is broken and results in missing lookup frame. this causes processes to enter into uninterruptible sleep state. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 311 (missing frame (lookup) when entry-selfheal finds missing files in all backend nodes) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=311
* performance/quick-read: change the default option values in quick-read.Raghavendra G2009-10-091-1/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 273 (Code review and optimize quick-read) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=273
* posix: Ensure ENOTEMPTY return on rmdirShehjar Tikoo2009-10-091-1/+4
| | | | | | | | | | | | | | | Since we added an extra step after rmdir, i.e. the lstat on parent dir as part of the NFS-friendly changes, the successful return from postparent lstat clobbers the -1 error return from rmdir. This prevents this particularly ENOTEMPTY error from being propagated to higher translators. 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
* Add INIT_LIST_HEAD which was left out in the previous commitAnand Avati2009-10-091-0/+1
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 297 (Posix locks cannot handle a single unlock over multiple held locks) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=297
* Add all generated files to .gitignoreCorentin Chary2009-10-091-0/+21
| | | | | Signed-off-by: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* features/locks: Fix insert_and_mergeCorentin Chary2009-10-091-4/+0
| | | | | | | | | | | | | | Init the list structure, because it will be used later, and subtract_lock does not do it. Also remove the special handling for unlocks, which was probably introduced as a workaround for this bug. Signed-off-by: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 297 (Posix locks cannot handle a single unlock over multiple held locks) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=297
* performance/write-behind: Add enable-trickling-writes to volume_options.Raghavendra G2009-10-091-0/+3
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 276 (write behind needs to be optimized.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=276
* debug/trace: Check asprintf return value to avoid warning, while buildvinayak hegde2009-10-091-7/+11
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 308 (Warning in debug/trace.c, during build) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=308
* performance/stat-prefetch: checking for cache and creation if not present is ↵Raghavendra G2009-10-091-23/+64
| | | | | | | | | made atomic. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in xattrop if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_entrylk.Raghavendra G2009-10-091-0/+85
| | | | | | | | | - lookup on path should be sent in entrylk if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_inodelk.Raghavendra G2009-10-091-0/+83
| | | | | | | | | - path has to be looked up in inodelk if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in removexattr if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_getxattr.Raghavendra G2009-10-091-0/+89
| | | | | | | | | - path should be looked up in getxattr if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in setxattr if it is not already ↵Raghavendra G2009-10-091-10/+71
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in opendir if it is not already ↵Raghavendra G2009-10-091-9/+72
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in create if it is not already looked up.Raghavendra G2009-10-091-15/+88
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: remove stat corresponding to oldloc->path from ↵Raghavendra G2009-10-091-3/+9
| | | | | | | | | | | cache in sp_link. - ctime of oldloc->path will be changed on completion of link fop. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup oldloc->path in link if it has not already ↵Raghavendra G2009-10-091-12/+83
| | | | | | | | | been looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup oldpath and newpath in rename if they've ↵Raghavendra G2009-10-092-17/+185
| | | | | | | | | not already been looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in symlink if it is not already ↵Raghavendra G2009-10-091-12/+73
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in rmdir if it is not already looked up.Raghavendra G2009-10-091-13/+71
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in unlink if it is not already looked up.Raghavendra G2009-10-091-12/+70
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: fix mkdir to unwind with proper number of arguments.Raghavendra G2009-10-091-2/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in mkdir if it is not already looked up.Raghavendra G2009-10-091-12/+75
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in mknod if it is not already looked up.Raghavendra G2009-10-091-12/+75
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* peformance/stat-prefetch: lookup path in readlink if it is not already ↵Raghavendra G2009-10-091-10/+70
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_accessRaghavendra G2009-10-091-0/+79
| | | | | | | | | - sp_access should send lookup on the path if it is not already looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in truncate if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in setattr if it is not already ↵Raghavendra G2009-10-091-11/+70
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement sp_stat.Raghavendra G2009-10-091-0/+87
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup path in checksum if it is not already ↵Raghavendra G2009-10-091-10/+69
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: lookup the path in open if it is not already ↵Raghavendra G2009-10-091-9/+77
| | | | | | | | | looked up. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: implement procedure sp_process_inode_ctx.Raghavendra G2009-10-091-0/+93
| | | | | | | | | | | | | - this procedure processes inode_ctx to make decisions like whether the current procedure can continue (i.e., inode is already looked up), or the procedure has to initiate/wait for lookup on the path. It also sets up the frame->local and adds the stub corresponding to current fop if needed. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: use op_errno instead of errno to store error code.Raghavendra G2009-10-092-116/+198
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: Add support code to implement lookup-behind.Raghavendra G2009-10-092-55/+199
| | | | | | | | | | | | | - change sp_lookup and sp_lookup_cbk to support sending lookups when needed. lookups might need to be sent in fops like open, chmod, chown etc which operate on a path, since the actual lookup sent to stat-prefetch by its parent xlators is not propagated down the xlator tree if the path is cached. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: remove lookup-behind in sp_lookup.Raghavendra G2009-10-091-60/+8
| | | | | | | | | | | | - lookup-behind should be done on-demand basis, in fops like open instead of in sp_lookup itself. This would reduce network traffic between client and server related to lookup, if the only use of lookup was to fetch stat structure. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: optimizations to sp_lookup.Raghavendra G2009-10-091-1/+12
| | | | | | | | | | | - if stat cache cannot be found for a path in its parent inode and the path is a directory, we can get the cache from the inode corresponding to path and look for "." in that cache. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: Add accounting of cache hits and misses.Raghavendra G2009-10-092-0/+17
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: change behaviour of sp_lookup when xattr_req is ↵Raghavendra G2009-10-091-8/+28
| | | | | | | | | | | | | not NULL. - if the xattr_req is empty (fuse just creates an empty dictionary and sends along lookup) we can still use the cache prefetched during readdir, since we need not fill the reply dictionary. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: change the cache to use rbtree based hashtable ↵Raghavendra G2009-10-093-36/+46
| | | | | | | | | instead of list for caching dentries. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* performance/stat-prefetch: fix memory leaksRaghavendra G2009-10-091-16/+37
| | | | | | | | | | | | | | | - sp_cache_get_inode uses fd_lookup which internally increases the refcount of fd by 1. This needs to be unrefed once we get the cache. - for directories, stat is stored in the inode context in sp_lookup_cbk. but, while doing so, no check was being done for the presence of context in inode, resulting in leak of memory equal to sizeof (struct stat) when multiple lookups happened on the directory. - path constructed in sp_readdir was not freed. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 221 (stat prefetch implementation) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=221
* debug/error-gen: Feature enhancement of error-gen translatorvinayak hegde2009-10-083-167/+1004
| | | | | | | | | | | | In debug/error-gen translator 3-options are provided. failure - specifies the percentage failure in fops. error-no - specifies which error-no to be returned. enable - specifies which are the fops to be enabled for this translator. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 291 (feature enhancement of error-gen translator) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=291
* performance/write-behind: Refining the check for fd_ctx in fdsRaghavendra G2009-10-081-120/+145
| | | | | | | | | | - An fd opened on a directory should not be considered bad if the fd context is not set since the context is set only for fds opened on files. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 260 (ls on booster VMP results in error: "File descriptor in bad state") URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=260
* libglusterfs/defaults: default_readdirp should call fops->readdirp instead ↵Raghavendra G2009-10-081-1/+1
| | | | | | | | | of fops->readdir. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 292 (Separate readdirp functionality from readdir fop) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=292
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