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* Changed occurrences of Z Research to Gluster.Vijay Bellur2009-10-0742-42/+42
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* cluster/afr: Change STACK_UNWIND to STACK_UNWIND_STRICT.Vikas Gorur2009-10-076-98/+136
| | | | | | | 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
* Removed remaining references to chmod, chown and utimens as part of setattr ↵Pavan Sondur2009-10-062-20/+18
| | | | | | | | | | | changes. Removed references to chmod, chown and utimes. Removed utimes references in AFR and writebehind. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 146 (Add setattr FOP) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=146
* unify: Support readdirp fopShehjar Tikoo2009-10-061-0/+24
| | | | | | | 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
* map: Support readdirp fopShehjar Tikoo2009-10-061-13/+91
| | | | | | | 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
* ha: Support readdirp fopShehjar Tikoo2009-10-061-18/+47
| | | | | | | 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
* distribute: Support readdirp fopShehjar Tikoo2009-10-062-5/+112
| | | | | | | 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
* afr: Support readdirp fopShehjar Tikoo2009-10-063-10/+77
| | | | | | | 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
* cluster/afr: Initialize local->first_up_child in AFR_LOCAL_INIT.Vikas Gorur2009-10-052-29/+29
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 285 ("first up child" can change during a transaction) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=285
* distribute: NFS-friendly logic changesShehjar Tikoo2009-10-014-101/+320
| | | | | | | 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
* ha: Handle memory allocation failuresShehjar Tikoo2009-10-012-15/+618
| | | | | | | 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
* ha: NFS-friendly logic changesShehjar Tikoo2009-10-012-22/+46
| | | | | | | 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
* stripe: NFS-friendly logic changesShehjar Tikoo2009-10-012-199/+361
| | | | | | | 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
* unify: NFS-friendly logic changesShehjar Tikoo2009-10-013-112/+140
| | | | | | | 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
* Global: NFS-friendly prototype changesShehjar Tikoo2009-10-0118-204/+809
| | | | | | | 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
* Global: Introduce setattr and fsetattr fopsShehjar Tikoo2009-10-0117-2155/+814
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 146 (Add setattr FOP) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=146
* cluster/afr: dir-write: Fix inode number handling.Vikas Gorur2009-09-282-24/+41
| | | | | | | | | | | | | | | | | | | create, mkdir, symlink, mknod: Prefer to return itransform'd inode number from the first_up_child. If not, fall back on any other child that returned succcess. link, rename: Return the same inode number that was passed as part of loc_t. Also adds a new member to afr_local_t, local->first_up_child which is initialized at the start of the transaction. This fixes the race where a subvolume might go down during the transaction and thus have the first_up_child change. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 285 ("first up child" can change during a transaction) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=285
* cluster/afr: Fix memory leak in "diff" self-heal algorithm.Vikas Gorur2009-09-241-0/+30
| | | | | | | | | FREE sh->private after diff self-heal is done. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 281 (memory leak in "diff" self heal algorithm) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=281
* cluster/afr: Add new option "data-self-heal-algorithm"Vikas Gorur2009-09-225-3/+36
| | | | | | | | | | option: data-self-heal-algorithm type: string default: "full" This option allows the user to specify the algorithm to be used for data self-heal. Currently supported values are "full" and "diff". Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* cluster/afr: Add the "diff" self-heal algorithm.Vikas Gorur2009-09-223-2/+362
| | | | | | | | | | | The "diff" self-heal algorithm works as follows: For each block: Compute MD5 checksum on source and all sinks If checksum on a sink differs from source: Read block from source and write to sinks Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* cluster/afr: Make the self-heal algorithm pluggable.Vikas Gorur2009-09-225-168/+287
| | | | | | | | Abstract the read/write loop part of data self-heal. This patch has support for the "full" (i.e., read and write entire file) algorithm. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* cluster/afr: Open source and sinks in read/write mode during self-heal.Vikas Gorur2009-09-221-2/+2
| | | | | | | Since a self-heal algorithm (e.g., rsync) might want to both read and write from both the source and sink files, open them as O_RDWR. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* Dumop inodectx addedVijay Bellur2009-09-161-0/+29
| | | | | | | | | | Added dumpop inodectx. Support for dumop inodectx added in dht, locks and client-protocol. 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/dht: Support for dumpop priv.Vijay Bellur2009-09-161-0/+134
| | | | | | | 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/stripe, when dbench is run, client crashes because in stripe.c priv ↵Vinayak Hegde2009-09-161-1/+4
| | | | | | | | | is dreferenced without initialising. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 266 (In stripe client crashes after some time when disk space is full) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=266
* cluster/afr: Check op_ret in afr_getxattr_cbk before accessing dictVikas Gorur2009-09-081-1/+2
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 250 (Crash in replicate getxattr) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=250
* cluster/afr: Do not try to self-heal "/"Vikas Gorur2009-09-081-8/+16
| | | | | | | | | | If the root directory does not exist on a subvolume, don't try to create it. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 28 (Deleting a backend export directory in an AFR setup can cause a segfault while trying to self heal) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=28
* TAKE2[PATCH BUG:213 1/1] Support for Process State DumpVijay Bellur2009-08-191-0/+59
| | | | | | | | | Support for process state dump. 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
* dht_stat_merge - use the highest uid when ambiguousAnand Avati2009-08-041-2/+3
| | | | | | | | | When directories on different subvolumes have different ownerships, use the highest uid/gid till self-heal resolves the inconsistency Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 191 (random Permission denied errors) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=191
* cluster/afr: inode-read: Check stat buf for NULL before attempting to set ↵Vikas Gorur2009-08-041-3/+4
| | | | | | | | | inode number. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 184 ([ glusterfs 2.0.6rc2 ] - Client Segfault while running fs-perf-test) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=184
* replicate: Return ino from first subvolume on inode creation fopsShehjar Tikoo2009-07-301-9/+28
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 177 (replicate: On file/dir creation, replicate returns inode from random subvolumes) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=177
* cluster/afr: Use user-supplied struct flock to STACK_WINDVikas Gorur2009-07-271-1/+0
| | | | | | | | | | | | afr_lk_cbk: Use the original struct flock supplied by the user to do further STACK_WIND's, and not the flock returned by the previous STACK_WIND. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 159 (Client hangs when coherent byte range locks is attempted in replicate setup) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=159
* cluster/afr: Return same inode number in stat buf for readv_cbkVikas Gorur2009-07-272-0/+4
| | | | | | | | | | Remember the inode number that had been returned in lookup_cbk and set the stat buf->ino to the same. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 166 (libglusterfsclient: Cached stat buf inode is different from ino in inode_t) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=166
* cluster/afr: Set inode number in unwind_buf in the inode-write calls.Vikas Gorur2009-07-271-17/+17
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 166 (libglusterfsclient: Cached stat buf inode is different from ino in inode_t) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=166
* fix build warnings in 'afr'Amar Tumballi2009-07-202-6/+18
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 130 (build warnings) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=130
* Return stat from read subvolume in dir-write ops.Vikas Gorur2009-07-162-52/+83
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 138 (create family calls do not return stat buf from read child) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=138
* Return stat info from read-child in all the inode-write opsVikas Gorur2009-07-162-18/+205
| | | | | | | | | | | Also modifies the inode-write ops to wait for the call to read-child to return (whether success or failure) before unwinding. Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 125 (stat information not returned from the same subvolume always) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=125
* Added NULL checks in a few places.Vikas Gorur2009-07-151-7/+25
| | | | | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 119 (filter + replicate crash..) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=119
* Return inode number always from the first up subvolume in AFR.Vikas Gorur2009-07-152-10/+16
| | | | | | | | | | Also fixes a bug in the "KLUDGE" part. It was setting lookup_buf when it should have been setting local->cont.lookup.buf Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 116 (Replicate: Need inode number from first subvolume on fresh lookup) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=116
* Set timestamps properly when creating missing entries.Vikas Gorur2009-07-061-3/+37
| | | | | | | In AFR self-heal set timestamp of a freshly created missing entry to that of the source entry. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* cluster/afr - replace ZR_FILENAME_MAX by NAME_MAXBasavanagowda Kanur2009-07-061-4/+4
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* cluster/unify - replace ZR_FILENAME_MAX by NAME_MAXBasavanagowda Kanur2009-07-062-14/+14
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* cluster/afr - use different dictionaries for sending xattrop requests to ↵Basavanagowda Kanur2009-06-301-24/+50
| | | | | | | | | | | | | | | | each of the subvolume - This patch fixes bug #29. - Using separate copies of dictionaries also eliminates a potential bug in a setup consisting of afr with a posix and client, each having io-threads on top as children. Since posix_xattrop after performing required operations on the xattr array passed in dictionary, sets the result at the same key and in the same dictionary passed as input argument, there can be race conditions where in the results of the operation on posix-child can be sent to the other child as input argument for xattrop, which ofcourse is wrong. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* dht_readdir_cbk: use stat attributes in the READDIRPLUS dirents toAnand V. Avati2009-06-261-22/+21
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* rename dht_first_up_child to dht_first_up_subvolAnand V. Avati2009-06-262-2/+3
| | | | Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* local->loc should be filled in dht-mknod()Amar Tumballi2009-06-181-0/+9
| | | | | | | local->loc should be properly filled while creating a linkfile. otherwise this causes the segfault in underlying volume layer (mostly client-protocol). Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* making dht and nufa's 'min-free-disk' option to take both percent and disk-sizeAmar Tumballi2009-06-184-38/+90
| | | | | | | | | | | Originally from Paul Rawson <plrca2@gmail.com> http://patches.gluster.com/patch/391/ : patch re-submitted with patching guidelines. cluster/distribute, and cluster/nufa uses new option PERCENT_OR_SIZET for its option 'min-free-disk'. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* change the log level of disk full message in dht-diskusageAmar Tumballi2009-06-181-3/+3
| | | | | | | | the current msg is getting printed in warning level. Instead changed it to debug, as the msg specific each node being full is already getting printed in higher priority, hence this msg looks excessive. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* change ha-statfs() to handle the case of loc->inode being NULLAmar Tumballi2009-06-172-27/+44
| | | | | | | | | | This fix is needed in ha_statfs(), as the current code doesn't handle the case of loc->inode being NULL, which is a valid case in statfs() [Remember its stateless call]. This was causing 100% disk full logs in distribute or nufa as the logic of checking whether the subvolumes have enough disk space on them used to fail. Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
* strict check of extended attribute flags while opening a striped fileAmar Tumballi2009-06-112-68/+223
| | | | | | | | | | Added a fd_ctx structure for stripe, which takes care of understanding the extended attribute flags, and opening the right blocks in order (to make sure the read/write operations happen in order). Helps to handle situations like accidentally adding subvolumes to stripe, etc Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
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