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* Change Copyright current yearPranith Kumar K2011-08-1054-54/+54
| | | | | | | | Change-Id: I2d10f2be44f518f496427f257988f1858e888084 BUG: 3348 Reviewed-on: http://review.gluster.com/200 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
* LICENSE: s/GNU Affero General Public/GNU General Public/Pranith Kumar K2011-08-0655-165/+165
| | | | | | | | Change-Id: I3914467611e573cccee0d22df93920cf1b2eb79f BUG: 3348 Reviewed-on: http://review.gluster.com/182 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
* cluster/dht: clear local->cached_subvol when switching to do_fresh_lookupAnand Avati2011-08-061-0/+1
| | | | | | | | | | | | The presence of local->cached_subvol makes dht_lookup_everywhere_done behave as though it was a lookup on a file where linkfile needs to be recreated. In a fresh lookup, local->cached_subvol should be NULL. Change-Id: Ie6bd6ad536def03d970526d51e20c6daeb00922b BUG: 3317 Reviewed-on: http://review.gluster.com/187 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
* storage/posix: handle dictionary being NULL in a functionAmar Tumballi2011-08-031-1/+1
| | | | | | | | | | | also print a warning message if dictionary is NULL, while sending a mkdir request in distribute self-heal. Change-Id: Ib9cac6ed1635203802f089986f8acb1ce416265d BUG: 3215 Reviewed-on: http://review.gluster.com/136 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Shishir Gowda <shishirng@gluster.com>
* DHT rename: Recreate linkfile after unlinkshishir gowda2011-08-033-144/+50
| | | | | | | | | | | | | This is done, so that there is no gfid mismatch. Unlink the older linkfile if it exists, and recreate it with the correct gfid. Also removed unused rename related code. Change-Id: Ice0cdff51db786dafb1a019f7642c7d000e8c5f3 BUG: 2522 Reviewed-on: http://review.gluster.com/142 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
* Stripe_readdirp: Fix race in wind/unwind which led to crashshishir2011-07-281-9/+17
| | | | | | | | | | | | | | | | | | Scenario - The race window exists when before we wind to a stat call in readdirp_cbk, whereas stats have returned to cbk. We would free up local, which leads to a crash. Fix - We assume all entries to be regular files, and set the wind_count as a multiple of entries * subvol (stat calls). When we encounter a non regular file, we decrement the windcount accordingly (subvol times). If the last entry happens to be a non-regular file, and all stat calls have wound back, we unwind from here itself. Change-Id: Ia8e225ef557cbe1fedb9b72de9bd9fa61f371a24 BUG: 3257 Reviewed-on: http://review.gluster.com/115 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amar@gluster.com>
* cluster/distribute: while fixing layout, consider ENOSPC errorsAmar Tumballi2011-07-261-4/+4
| | | | | | | | | | | | | in case of layout 'creation', layout->err == ENOSPC should be ignored where as, while layout 'fixing' we should consider what was already present in the layout. Change-Id: Ifb613b41065813c9f1202e65e94b4b0282766d11 BUG: 2258 Signed-off-by: Amar Tumballi <amar@gluster.com> Reviewed-on: http://review.gluster.com/15 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Shishir Gowda <shishirng@gluster.com>
* cluster/dht: dht_rename() - handle GFID situationsAnand Avati2011-07-251-14/+61
| | | | | | | | | | | | In the pre-GFID era, the linkfile of the destination file could be reused the linkfile for the renamed file when dst_cached == src_cached. This patch handles this situation and reverts the previous (wrong) fix. Change-Id: Iba57b5eb91cf8b1fb40e74f6399cdf99b8b00410 BUG: 2464 Reviewed-on: http://review.gluster.com/90 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amar@gluster.com>
* PUMP: set pump lk_owner,pid to frame->rootPranith K2011-07-172-9/+8
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3182 (Afr self-heal should happen with out big lock) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3182
* cluster/afr: Don't depend on fuse lk_owner for inodelksPranith K2011-07-172-8/+6
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3182 (Afr self-heal should happen with out big lock) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3182
* cluster/afr: Fix conflict files and gfid self-healPranith K2011-07-177-600/+811
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2745 (failure to detect split brain) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2745
* cluster/afr: Detect conflict/gfid self-healsPranith K2011-07-176-161/+532
| | | | | | | | | | Added some helper functions that can be reused Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2745 (failure to detect split brain) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2745
* cluster/afr: make expunge/impunge re-usablePranith K2011-07-172-64/+176
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2745 (failure to detect split brain) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2745
* cluster/afr: Choose next call child from fresh-children for inode-read-fopsPranith K2011-07-177-442/+391
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2840 (files not getting self-healed when the first child goes down) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2840
* cluster/afr: Add fresh children along with read-child to inode contextPranith K2011-07-1716-353/+817
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2840 (files not getting self-healed when the first child goes down) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2840
* cluster/afr: Move afr local alloc functions from header files to sourcesPranith K2011-07-172-105/+124
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2840 (files not getting self-healed when the first child goes down) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2840
* cluster/stripe: send the xattr keys with create/mknod itself.Amar Tumballi2011-07-141-189/+177
| | | | | | | | | | so stripe is more acl friendly Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3160 ([818f8c87d56bc46d0d0903275699351b66f17e57] Posix compliance test hangs during link tests in distributed-stripe.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3160
* distribute: bring in feature to do rebalance from insideAmar Tumballi2011-07-148-15/+600
| | | | | | | | | | | | | | | | do the 'rebalance' on a file with 'setxattr()' with 'distribute.migrate-data' key. the valid 'value' is "force" or anything else. current implementation of 'rebalance' is same as 'glusterd-rebalance', and hence comes with limitation of not rebalancing hardlinks, non-regular files, and files with open-fds. Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3070 (After 'rebalance', the gfid of the file gets changed) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3070
* cluster/distribute: bring in directory-spread-count optionAmar Tumballi2011-07-145-4/+80
| | | | | | | | | | global spread count option is given through volume file Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2257 (enhance distribute to control the spread count (ie, control the hashing range)) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2257
* cluster/distribute: handle layout overlaps while giving a new fixAmar Tumballi2011-07-143-59/+297
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2258 (enhance gluster volume rebalance) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2258
* DHT access: For nfs calls, op_ret is always 0, and mode is op_errnoshishir gowda2011-07-131-1/+10
| | | | | | | | | | | | | Return the values received from the subvol Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3057 (acl permissions don't work on nfs mount) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3057 BUG: 3057 (acl permissions don't work on nfs mount) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3057
* stripe: changes in volume_options to assist volume set help/help-xmlKaushik BV2011-07-121-5/+47
| | | | | | | | Signed-off-by: Kaushik BV <kaushikbv@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2041 (volume set help option) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2041
* dht: changes in volume_options to assist volume set help/help-xmlKaushik BV2011-07-121-3/+26
| | | | | | | | Signed-off-by: Kaushik BV <kaushikbv@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2041 (volume set help option) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2041
* afr: changes in volume_options to assist volume set help/help-xmlKaushik BV2011-07-121-6/+40
| | | | | | | | Signed-off-by: Kaushik BV <kaushikbv@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2041 (volume set help option) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2041
* afr/stripe: collect pathinfo xattrs from all childsVenky Shankar2011-07-127-17/+357
| | | | | | | | Signed-off-by: Venky Shankar <venky@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3046 (getxattr for afr should returns realpath from all childs) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3046
* cluster/afr: Handle lookups when self-heal is offPranith K2011-07-129-513/+996
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2586 (read child is set without checking the xattr) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2586
* cluster/stripe: quick-read friendly behavior in lookupAmar Tumballi2011-07-121-5/+22
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3140 (contents of files are invalid after apply patch 7573) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3140
* cluster/stripe: cleanup and memory leak fixesAmar Tumballi2011-07-121-118/+56
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3140 (contents of files are invalid after apply patch 7573) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3140
* cluster/distribute: send proper 'params' dictionary during linkfile creationAmar Tumballi2011-07-121-4/+13
| | | | | | | | | | | | when the code path enters the 'subvol_filled()' case, local->params is set, which contains the 'gfid-req' value, but the linkfile creation was not checking for its existance. Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3159 (mknod (linkfile creation) with no 'gfid-req' key) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3159
* pump, afr: dict related memory fixes.Krishnan P2011-07-123-42/+106
| | | | | | | | Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2489 (GlusterFS crashing with replace-brick) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2489
* cluster/dht: fix race between two directory renamesAnand Avati2011-07-121-7/+79
| | | | | | | | | let the race get arbitrated at the dst_hashed subvolume. Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2522 ([glusterfs-3.1.3qa8]: rm -rf shows invalid argument) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2522
* dht: set linkto xattr with linkfile create (mknod)Anand Avati2011-07-081-75/+13
| | | | | | | Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2815 (Server-enforced ACLs) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2815
* dht disk usage: Correct free blk calculationshishir gowda2011-07-071-2/+2
| | | | | | | | | | | | | | Use f_bavial instead of f_bfree for %free calculation This fixes mismatch of df output wrt backend and glusterfs where: f_bfree = /* # free blocks */ f_bavail; /* free blocks avail to non-superuser */ Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3084 (Correcting percent calculation of disk space) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3084
* cluster/afr: fix the range of the lock taken in [f]truncatePranith K2011-07-011-4/+4
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3077 (afr [f]truncate locks wrong region in transaction) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3077
* distribute: handle 'fix.layout' key in setxattr() instead of getxattr()Amar Tumballi2011-06-231-67/+46
| | | | | | | | | | | | | | | as 'fix.layout' command does changes to directory layout, its not a 'read/get' type of operation, and hence as per the symantics, it suits setxattr() better also fix a memory leak in getxattr(), where 'local' was allocated twice in few cases Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3075 (the 'fix.layout' command should happen through 'setxattr', not getxattr().) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3075
* Stripe selfheal: Prevent spurious STACK_DESTROY callshishir gowda2011-06-221-0/+4
| | | | | | | | | | The stack is destroyed in the cbk Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3056 ([4597929cc527f8abaf9ef9e1d5499ea416e5c7ff] Crash in client at client3_1_mknod_cbk) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3056
* Stripe lookup: aggregate xattrsshishir gowda2011-06-221-0/+4
| | | | | | | | | | | stripe default setxattr works on first child. If the first cbk is not the first child, then we were loosing the xattrs. Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3066 (aggregate xattrs in stripe lookup) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3066
* pump: mark pending before notify to children to avoid race in single CPU.Krishnan P2011-06-201-2/+2
| | | | | | | | Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3050 ('replace-brick' hangs on vm's) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3050
* afr: bg self-heal must be off if self-heal-count=0.Krishnan P2011-06-201-3/+3
| | | | | | | | Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3036 (self-heal problem in replace-brick) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3036
* core: fill 'ia_ino' from 'ia_gfid' in 'storage/posix' to preserve same ino ↵Amar Tumballi2011-06-1613-359/+5
| | | | | | | | | | | | | | | number take the least significant 64bit from gfid and assign it to 'ia_ino', hence for a given file (or directory), the 'ia_ino' number is always same, and we need not worry about the 'itransform' in 'cluster/*' translators. Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3042 (inode number should be constant on storage) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3042
* cluster/afr: Give proper device id for mknodPranith Kumar K2011-06-161-1/+2
| | | | | | | | Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2840 (files not getting self-healed when the first child goes down) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2840
* PUMP: perform opendir on pump xlator instead of its childPranith K2011-06-161-4/+2
| | | | | | | | | | | | | | | | | | | | | | When replace-brick is performed, there is a high probability for the directories on the source brick to not have any pending entry xattrs. So for proper self-heal we need the force merge to kick in. If the opendir is performed on pump xlator directory is examined and if the entries on its children do not match then force merge is triggered, so missing entries will be created on the sink. Pending xattrs are set from source to sink on the files present on source in this process. So when the lookup happens the self-heal is triggered. Before this fix, the code is working because the self-heal source is decided based on what file is biggest in size which is a wrong and removed. Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2586 (read child is set without checking the xattr) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2586
* cluster/distribute: remove the unused variable from 'conf'Amar Tumballi2011-06-164-22/+0
| | | | | | | | Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3013 (error in the log file upon taking the statedump) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3013
* pump: cleanup xattrs on both commit and abort path.Krishnan P2011-06-162-4/+149
| | | | | | | | | | | | | | | This change makes glusterd to send a setxattr command for replace-brick commit operation similar to abort. Earlier we could commit even before the 'migration' of data was complete, with this change we fail that operation. Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3033 (Changes to replace-brick and syntask interface.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3033
* afr: holding stack var via dict_set_static_bin corrupts.Krishnan P2011-06-161-2/+15
| | | | | | | | Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3033 (Changes to replace-brick and syntask interface.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3033
* syncop: Modified to accept one 'non-frame' arg.Krishnan P2011-06-161-5/+3
| | | | | | | | | | | | | Earlier syncops used to accept one argument which was a call frame to carry out the fops synchronously. Now we have two args passed to synctask function, one call frame and another void pointer. Signed-off-by: Krishnan Parthasarathi <kp@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 3033 (Changes to replace-brick and syntask interface.) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=3033
* DHT: check for mis-matching user xattrsshishir gowda2011-06-141-2/+15
| | | | | | | | Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2717 (Detect user_xattr mismatches for dir's) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2717
* DHT selheal dir: Recreate dirs with correct gfid.shishir gowda2011-06-131-0/+1
| | | | | | | | | | | When selfheal of dir is triggered, make sure the dirs are recreated with the correct gfid, to prevent mismatch of gfids in the backend. Signed-off-by: shishir gowda <shishirng@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2994 ([glusterfs-3.2.1qa2]: untar and rm in parallel hangs untar) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2994
* cluster/afr: propagate proper errno returned by lock fopsAnand Avati2011-06-101-4/+0
| | | | | | | | | | If locks could not be held on any of the servers, then propagate the errno returned by the lock FOPs instead of hardcoding EAGAIN/EINVAL. Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2993 ([glusterfs-3.2.0qa2]: hang while doing the selfheal) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2993
* cluster/dht: use GFID returned from hashed subvolumeAnand Avati2011-06-091-0/+5
| | | | | | | | | | | | | .. to perform lookups on remaining subvolumes. This way, if there is a race between two clients to 'fix' GFIDs with gfid-req, then the hashed subvolume will arbitrate and return the winner in stbuf->ia_gfid. This patch uses the returned gfid as the new gfid-req thereby preventing mismatching GFIDs on other servers due to further races. Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2522 ([glusterfs-3.1.3qa8]: rm -rf shows invalid argument) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2522
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