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* cluster/ec: Reopen shouldn't happen with O_TRUNCPranith Kumar K2019-05-151-1/+1
| | | | | | | | | | | | | Problem: Doing re-open with O_TRUNC will truncate the fragment even when it is not needed needing extra heals Fix: At the time of re-open don't use O_TRUNC. fixes bz#1709660 Change-Id: Idc6408968efaad897b95a5a52481c66e843d3fb8 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* afr: thin-arbiter lock release fixesRavishankar N2019-05-153-47/+93
| | | | | | | | | | | | | | | | | | | | | - pass fop state instead of afr local to afr_ta_dom_lock_check_and_release() - avoid afr_lock_release_synctask() being called simultaneosuly from notify code path and transaction (post-op) code path due to races. - Check if the post-op on TA is valid based on event_gen checks. - Invalidate in-memory information when we get TA child down. Note: Thi patch addresses some pending review comments of commit 053b1309dc8fbc05fcde5223e734da9f694cf5cc (https://review.gluster.org/#/c/glusterfs/+/20095/) fixes: bz#1709130 Change-Id: I2ccd7e1b53362f9f3fed8680aecb23b5011eb18c Signed-off-by: Ravishankar N <ravishankar@redhat.com> (cherry picked from commit 9ab2747da78061882f6734df4b265bce11adaef1)
* cluster/afr : TA: Return actual error code in case of failureAshish Pandey2019-05-131-6/+6
| | | | | | | | | | In afr_ta_post_op_do, we were sending EIO for every failure. However, the original error code should be sent. Change-Id: I9fdc15dac00d758baf8e6f14db244f526481a63a updates: bz#1709143 Signed-off-by: Ashish Pandey <aspandey@redhat.com> (cherry picked from commit 63159cdb5374f458d7d2bffec24d4720ffc96d6c)
* cluster/dht: Refactor dht lookup functionsN Balachandran2019-05-091-74/+30
| | | | | | | | | | Part 2: Modify dht_revalidate_cbk to call dht_selfheal_directory instead of separate calls to heal attrs and xattrs. Change-Id: Id41ac6c4220c2c35484812bbfc6157fc3c86b142 fixes: bz#1707393 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* cluster/dht: refactor dht lookup functionsN Balachandran2019-05-082-124/+119
| | | | | | | | | | Part 1: refactor the dht_lookup_dir_cbk and dht_selfheal_directory functions. Added a simple dht selfheal directory test Change-Id: I1410c26359e3c14b396adbe751937a52bd2fcff9 updates: bz#1707393 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* cluster/ec: fix fd reopenPranith Kumar K2019-05-0814-274/+328
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently EC tries to reopen fd's that have been opened while a brick was down. This is done as part of regular write operations, just after having acquired the locks, and it's sent as a sub-fop of the main write fop. There were two problems: 1. The reopen was attempted on all UP bricks, even if a previous lock didn't succeed. This is incorrect because most probably the open will fail. 2. If reopen is sent and fails, the error is propagated to the main operation, causing it to fail when it shouldn't. To fix this, we only attempt reopens on bricks where the current fop owns a lock, and we prevent any error to be propagated to the main fop. To implement this behaviour an argument used to indicate the minimum number of required answers has overloaded to also include some flags. To make the change consistent, it has been necessary to rename the argument, which means that a lot of files have been changed. However there are no functional changes. This change has also uncovered a problem in discard code, which didn't correctely process requests of small sizes because no real discard fop was being processed, only a write of 0's on some region. In this case some fields of the fop remained uninitialized or with incorrect values. To fix this, a new function has been created to simulate success on a fop and it's used in the discard case. Thanks to Pranith for providing a test script that has also detected an issue in this patch. This patch includes a small modification of this script to force data to be written into bricks before stopping them. Backport of: > Change-Id: If272343873369186c2fb8f43c1d9c52c3ea304ec > BUG: bz#1699866 > Signed-off-by: Xavi Hernandez <xhernandez@redhat.com> Change-Id: If272343873369186c2fb8f43c1d9c52c3ea304ec Fixes: bz#1699917 Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
* cluster/afr: Remove local from owners_list on failure of lock-acquisitionPranith Kumar K2019-04-164-18/+14
| | | | | | | | | | | | | When eager-lock lock acquisition fails because of say network failures, the local is not being removed from owners_list, this leads to accumulation of waiting frames and the application will hang because the waiting frames are under the assumption that another transaction is in the process of acquiring lock because owner-list is not empty. Handled this case as well in this patch. Added asserts to make it easier to find these problems in future. fixes bz#1699731 Change-Id: I3101393265e9827755725b1f2d94a93d8709e923 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* ec: fix truncate lock to cover the write in tuncate cleanKinglong Mee2019-04-161-2/+6
| | | | | | | | | | | ec_truncate_clean does writing under the lock granted for truncate, but the lock is calculated by ec_adjust_offset_up, so that, the write in ec_truncate_clean is out of lock. Updates: bz#1699499 Change-Id: Idbe1fd48d26afe49c36b77db9f12e0907f5a4134 Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> (cherry picked from commit 0e1223491e964096384edfae5032ed0d50d028ad)
* cluster/afr: Thin-arbiter SHD fixeskarthik-us2019-04-162-13/+13
| | | | | | | | | This patch address post-merge review comments for commit 5784a00f997212d34bd52b2303e20c097240d91c Change-Id: I7ed954664a2ae8e1091d23ee3ceb9c66e83bfeac fixes: bz#1699319 Signed-off-by: karthik-us <ksubrahm@redhat.com>
* afr: thin-arbiter read txn fixesRavishankar N2019-04-163-22/+37
| | | | | | | | | | | | | | - Fixes afr_ta_read_txn() to handle inode refresh failures. code-path. - Fixes a double free issue of dict. Note: This patch address post-merge review comments for commit 69532c141be160b3fea03c1579ae4ac13018dcdf fixes: bz#1693992 Change-Id: Id5299b45b68569d47df6b73755918237a1592cb4 Signed-off-by: Ravishankar N <ravishankar@redhat.com> (cherry picked from commit 500bd0014128e6727e83b6cb77e8ac94304b8f4a)
* cluster/ec: Don't enqueue an entry if it is already healingAshish Pandey2019-04-165-30/+127
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: 1 - heal-wait-qlength is by default 128. If shd is disabled and we need to heal files, client side heal is needed. If we access these files that will trigger the heal. However, it has been observed that a file will be enqueued multiple times in the heal wait queue, which in turn causes queue to be filled and prevent other files to be enqueued. 2 - While a file is going through healing and a write fop from mount comes on that file, it sends write on all the bricks including healing one. At the end it updates version and size on all the bricks. However, it does not unset dirty flag on all the bricks, even if this write fop was successful on all the bricks. After healing completion this dirty flag remain set and never gets cleaned up if SHD is disabled. Solution: 1 - If an entry is already in queue or going through heal process, don't enqueue next client side request to heal the same file. 2 - Unset dirty on all the bricks at the end if fop has succeeded on all the bricks even if some of the bricks are going through heal. Change-Id: Ia61ffe230c6502ce6cb934425d55e2f40dd1a727 updates: bz#1693223 Signed-off-by: Ashish Pandey <aspandey@redhat.com> (cherry picked from commit 313dcefe7a62bd16cd794040df068f9bec9c6927)
* afr: add client-pid to all gf_event() callsRavishankar N2019-04-166-15/+28
| | | | | | | | | | client-pid for glustershd is GF_CLIENT_PID_SELF_HEALD client-pid for glfsheal is GF_CLIENT_PID_GLFS_HEALD updates: bz#1693155 Change-Id: Ib3a863af160ff48c822a5e6b0c27c575c9887470 Signed-off-by: Ravishankar N <ravishankar@redhat.com> (cherry picked from commit 8016d51a3bbd410b0b927ed66be50a09574b7982)
* cluster/ec: Fix handling of heal info cases without locksAshish Pandey2019-04-091-25/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we use heal info command, it takes lot of time as in some cases it takes lock on entries to find out if the entry actually needs heal or not. There are some cases where we can avoid these locks and can conclude if the entry needs heal or not. 1 - We do a lookup (without lock) on an entry, which we found in .glusterfs/indices/xattrop, and find that lock count is zero. Now if the file contains dirty bit set on all or any brick, we can say that this entry needs heal. 2 - If the lock count is one and dirty is greater than 1, then it also means that some fop had left the dirty bit set which made the dirty count of current fop (which has taken lock) more than one. At this point also we can definitely say that this entry needs heal. This patch is modifying code to take into consideration above two points. It is also changing code to not to call ec_heal_inspect if ec_heal_do was called from client side heal. Client side heal triggeres heal only when it is sure that it requires heal. [We have changed the code to not to call heal for lookup] updates bz#1697764 Change-Id: I7f09f0ecd12f65a353297aefd57026fd2bebdf9c Signed-off-by: Ashish Pandey <aspandey@redhat.com> (cherry picked from commit da47caf2405c08c9abafc4a55525a8b2c2dd5bb8)
* cluster/afr: Send truncate on arbiter brick from SHDkarthik-us2019-03-121-15/+13
| | | | | | | | | | | | | | | | | | | Problem: In an arbiter volume configuration SHD will not send any writes onto the arbiter brick even if there is data pending marker for the arbiter brick. If we have a arbiter setup on the geo-rep master and there are data pending markers for the files on arbiter brick, SHD will not mark any data changelog during healing. While syncing the data from master to slave, if the arbiter-brick is considered as ACTIVE, then there is a chance that slave will miss out some data. If the arbiter brick is being newly added or replaced there is a chance of slave missing all the data during sync. Fix: If there is data pending marker for the arbiter brick, send truncate on the arbiter brick during heal, so that it will record truncate as the data transaction in changelog. Change-Id: I3242ba6cea6da495c418ef860d9c3359c5459dec fixes: bz#1687672 Signed-off-by: karthik-us <ksubrahm@redhat.com>
* cluster/dht: Request linkto xattrs in dht_rmdir opendirN Balachandran2019-02-221-1/+26
| | | | | | | | | | | | | | | | | | If parallel-readdir is enabled, the rda xlator is loaded below dht in the graph and proactively lists and caches entries when an opendir is performed. dht_rmdir checks if the directory being deleted contains stale linkto files by performing a readdirp on its child subvols. However, as the entries are actually read in during the opendir operation which does not request the linkto xattr,no linkto xattrs are present for the entries causing dht to incorrectly identify them as data files and fail the rmdir operation with ENOTEMPTY. DHT now always adds the linkto xattr in the list of xattrs requested in the opendir. Change-Id: I0711198e66c59146282eb8b88084170bedfb4018 fixes: bz#1679004 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* dht: fix double extra unref of inode at heal pathKinglong Mee2019-02-221-1/+1
| | | | | | | | | | | | | The loc_wipe is done in the _out_ section, inode_unref(loc.parent) here casues a double extra unref of loc.parent. > Change-Id: I2dc809328d3d34bf7b02c7df9a4f97788af511e6 > Signed-off-by: Kinglong Mee <mijinlong@open-fs.com> (cherry-pick of https://review.gluster.org/#/c/glusterfs/+/21998/) Change-Id: I2dc809328d3d34bf7b02c7df9a4f97788af511e6 updates: bz#1679275 Signed-off-by: Susant Palai <spalai@redhat.com>
* cluster/dht: Fix lookup selfheal and rmdir raceN Balachandran2019-02-181-9/+25
| | | | | | | | | | | | | | A race between the lookup selfheal and rmdir can cause directories to be healed only on non-hashed subvols. This can prevent the directory from being listed from the mount point and in turn causes rm -rf to fail with ENOTEMPTY. Fix: Update the layout information correctly and reduce the call count only after processing the response. Change-Id: I812779aaf3d7bcf24aab1cb158cb6ed50d212451 fixes: bz#1677260 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* cluster/dht: Do not use gfid-req in fresh lookupN Balachandran2019-02-022-8/+60
| | | | | | | | | | | | Fuse sets a random gfid-req value for a fresh lookup. Posix lookup will set this gfid on entries with missing gfids causing a GFID mismatch for directories. DHT will now ignore the Fuse provided gfid-req and use the GFID returned from other subvols to heal the missing gfid. Change-Id: I5f541978808f246ba4542564251e341ec490db14 fixes: bz#1670259 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* core: make gf_thread_create() easier to useXavi Hernandez2019-02-011-6/+1
| | | | | | | | | | | | | | This patch creates a specific function to set the thread name using a string format and a variable argument list, like printf(). This function is used to set the thread name from gf_thread_create(), which now accepts a variable argument list to create the full name. It's not necessary anymore to use a local array to build the name of the thread. This is done automatically. Change-Id: Idd8d01fd462c227359b96e98699f8c6d962dc17c Updates: bz#1193929 Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
* cluster/thin-arbiter: Consider thin-arbiter before marking new entry changelogAshish Pandey2019-02-014-19/+87
| | | | | | | | | | | | | | | | If a fop to create an entry fails on one of the data brick, we mark the pending changelog on the entry on brick for which it was successful. This is done as part of post op phase to make sure that entry gets healed even if it gets renamed to some other path where its parent was not marked as bad. As it happens as part of post op, we should consider thin-arbiter to check if the brick, which was successful, is the good brick or not. This will avoide split brain and other issues. Change-Id: I12686675be98f02f70a5186b3ed748c541514d53 updates: bz#1662264 Signed-off-by: Ashish Pandey <aspandey@redhat.com>
* cluster/dht: Remove internal permission bitsN Balachandran2019-02-011-0/+6
| | | | | | | | | | | | | Rebalance sets the sgid and t bits on a file that is being migrated. These permissions are not removed in dht_readdirp_cbk when listing files causing them to show up on the mountpoint. We now remove these permissions if a non-linkto file has the linkto xattr set. Change-Id: I5c69b2ecfe2df804fe50faea903b242d01729596 fixes: bz#1669937 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* Multiple files: reduce work while under lock.Yaniv Kaul2019-01-297-95/+92
| | | | | | | | | | | | | | | | | Mostly, unlock before logging. In some cases, moved different code that was not needed to be under lock (for example, taking time, or malloc'ing) to be executed before taking the lock. Note: logging might be slightly less accurate in order, since it may not be done now under the lock, so order of logs is racy. I think it's a reasonable compromise. Compile-tested only! updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com> Change-Id: I2438710016afc9f4f62a176ef1a0d3ed793b4f89
* afr: not resolve splitbrains when copies are of same sizeIraj Jamali2019-01-221-18/+25
| | | | | | | | | | | | Automatic Splitbrain with size as policy must not resolve splitbrains when the copies are of same size. Determining if the sizes of copies are same and returning -1 in that case. updates: bz#1655052 Change-Id: I3d8e8b4d7962b070ed16c3ee02a1e5a926fd5eab Signed-off-by: Iraj Jamali <ijamali@redhat.com>
* cluster/dht: Delete invalid linkto files in rmdirN Balachandran2019-01-221-1/+4
| | | | | | | | | | | | rm -rf <dir> fails on dirs which contain linkto files that point to themselves because dht incorrectly thought that they were cached files after looking them up. The fix now treats them as invalid linkto files and deletes them. Change-Id: I376c72a5309714ee339c74485e02cfb4e29be643 fixes: bz#1667804 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* afr: Splitbrain with size as policy must not resolve for directorySheetal Pamecha2019-01-211-2/+12
| | | | | | | | | | | | | | In automatic Splitbrain resolution when favorite child policy is set as size, split brain resolution must not work for directories. Currently, if a directory is in split brain with both copies having same size, the source is selected arbitrarily and healed. fixes: bz#1655050 Change-Id: I5739498639c17c89874cc577362e543adab55f5d Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.com>
* cluster/afr: fix zerofill transaction.startXiubo Li2019-01-141-1/+1
| | | | | | | | This maybe one mistake when coding. Fixes: bz#1665332 Change-Id: Ia8f8dadf4a71579240ff9950b141ca528bd342b3 Signed-off-by: Xiubo Li <xiubli@redhat.com>
* fix 32-bit-build-smoke warningsIraj Jamali2019-01-111-1/+1
| | | | | | | fixes: bz#1622665 Change-Id: I777d67b1b62c284c62a02277238ad7538eef001e Signed-off-by: Iraj Jamali <ijamali@redhat.com>
* afr : fix memory leakSunny Kumar2019-01-111-23/+15
| | | | | | | | | | | | | | | This patch fixes memory leak reported by ASan. The fix was first merged by https://review.gluster.org/#/c/glusterfs/+/21805. But later change was reverted due to this patch https://review.gluster.org/#/c/glusterfs/+/21178/. updates: bz#1633930 Change-Id: I1febe121e0be33a637397a0b54d6b78391692b0d Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
* cluster/afr: Disable client side heals in AFR by default.Sunil Kumar Acharya2019-01-101-3/+3
| | | | | | | | | With this changeset, default value for the AFR client side heal volume option is set to "off" fixes: bz#1663102 Change-Id: Ie4016932339c4896487e3e7cb5caca68739b7ba2 Signed-off-by: Sunil Kumar Acharya <sheggodu@redhat.com>
* dht: Add NULL check for stbuf in dht_rmdir_lookup_cbkSusant Palai2019-01-101-2/+1
| | | | | | Change-Id: I2ced288113a369cc6497a77ac1871007df434da4 fixes: bz#1664647 Signed-off-by: Susant Palai <spalai@redhat.com>
* cluster/afr: Refactor internal locking code to allow multiple inodelksPranith Kumar K2018-12-286-798/+366
| | | | | | | | | | | | | | | | For implementing copy_file_range fop, AFR needs to perform two inodelks in the same transaction. This patch brings in the necessary structure to make it easier to do so. Entry-locks in AFR were already taking multiple entry-locks on different inodes with the respective basenames. This patch extends the logic in inodelks to use the same lockee_t structure. This lead to removal of quite a lot of duplicate code present in afr-lk-common.c as both the locks are doing same things except 'winding' part. updates: #536 Change-Id: Ibfce7e3f260bb27b18645152ec680c33866fe0ae Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* cluster/dht: refactor dht_lookup_cbkN Balachandran2018-12-261-93/+101
| | | | | | | | | | Rearrange the dht_lookup_cbk code to make it easier to understand. Corrected a message in dht_linkfile_create_lookup_cbk Change-Id: Id41db9ef901732f0410f1c007807362c630218ff fixes: bz#1590385 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* all: handle USE_AFTER_FREE warningsAmar Tumballi2018-12-202-3/+42
| | | | | | | | | | | | | | | | | | | * we shouldn't be using 'local' after DHT_STACK_UNWIND() as it frees the content of local. Add a 'goto out' or similar logic to handle the situation. * fix possible overlook of unref(dict), instead of unref(xdata). * make coverity happy by re-ordering unref in meta-defaults. * gfid-access: re-order dictionary allocation so we don't have to do a extra unref. * other obvious errors reported. updates: bz#789278 Change-Id: If05961ee946b0c4868df19861d7e4a927a2a2489 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* cluster/afr: Allow lookup on root if it is from ADD_REPLICA_MOUNTkarthik-us2018-12-187-30/+78
| | | | | | | | | | | | | | | | | | | | | Problem: When trying to convert a plain distribute volume to replica-3 or arbiter type it is failing with ENOTCONN error as the lookup on the root will fail as there is no quorum. Fix: Allow lookup on root if it is coming from the ADD_REPLICA_MOUNT which is used while adding bricks to a volume. It will try to set the pending xattrs for the newly added bricks to allow the heal to happen in the right direction and avoid data loss scenarios. Note: This fix will solve the problem of type conversion only in the case where the volume was mounted at least once. The conversion of non mounted volumes will still fail since the dht selfheal tries to set the directory layout will fail as they do that with the PID GF_CLIENT_PID_NO_ROOT_SQUASH set in the frame->root. Change-Id: Ic511939981dad118cc946754341318b164954b3b fixes: bz#1655854 Signed-off-by: karthik-us <ksubrahm@redhat.com>
* xlators/cluster/afr/src/afr-self-heal-common.c: remove a variable array.Yaniv Kaul2018-12-181-10/+6
| | | | | | | | | | | | | Added '-Wvla' and saw this - gcc doesn't like variable arrays. There are plenty of others in the EC code, but this seems OK to remove: there is no use for the array members (I hope - that was from reading the code). Compile-tested only! updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com> Change-Id: I350f4520e52b86c8bbcd60eea1b27ef99cd119aa
* Don't depend on string options to be valid alwaysPranith Kumar K2018-12-175-41/+56
| | | | | | updates bz#1650403 Change-Id: Ib5a11e691599ce4bd93c1ed5aca6060592893961 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* AFR xlator: use dict_{setn|getn|deln|get_int32n|set_int32n|set_strn}Yaniv Kaul2018-12-1712-203/+282
| | | | | | | | | | | | | | | | | | | | In a previous patch (https://review.gluster.org/20769) we've added the key length to be passed to dict_* funcs, to remove the need to strlen() it. This patch moves some xlators to use it. - In some cases, moved strlen() of the key length outside of locks, which is usually a good thing. Please verify it's safe to do so. - In some cases, created a prefix for the keys, replacing something like "%d-%d" with a "%s" in snprintf(). Not sure it adds value, but improves readability. Please review carefully. Compile-tested only! Change-Id: I04f2a1eb2ecfc3283d849d150d10d088ae7aa7f1 updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
* cluster/afr: Fix mem leak reported by ASANKotresh HR2018-12-171-4/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Traceback: Direct leak of 765 byte(s) in 9 object(s) allocated from: #0 0x7ffb9cad2c48 in malloc (/lib64/libasan.so.5+0xeec48) #1 0x7ffb9c5f8949 in __gf_malloc ./libglusterfs/src/mem-pool.c:136 #2 0x7ffb9c5f91bb in gf_vasprintf ./libglusterfs/src/mem-pool.c:236 #3 0x7ffb9c5f938a in gf_asprintf ./libglusterfs/src/mem-pool.c:256 #4 0x7ffb826714ab in afr_get_heal_info ./xlators/cluster/afr/src/afr-common.c:6204 #5 0x7ffb825765e5 in afr_handle_heal_xattrs ./xlators/cluster/afr/src/afr-inode-read.c:1481 #6 0x7ffb825765e5 in afr_getxattr ./xlators/cluster/afr/src/afr-inode-read.c:1571 #7 0x7ffb9c635af7 in syncop_getxattr ./libglusterfs/src/syncop.c:1680 #8 0x406c78 in glfsh_process_entries ./heal/src/glfs-heal.c:810 #9 0x408555 in glfsh_crawl_directory ./heal/src/glfs-heal.c:898 #10 0x408cc0 in glfsh_print_pending_heals_type ./heal/src/glfs-heal.c:970 #11 0x408fc5 in glfsh_print_pending_heals ./heal/src/glfs-heal.c:1012 #12 0x409546 in glfsh_gather_heal_info ./heal/src/glfs-heal.c:1154 #13 0x403e96 in main ./heal/src/glfs-heal.c:1745 #14 0x7ffb99bc411a in __libc_start_main ../csu/libc-start.c:308 The dictionary is referenced by caller to print the status. So set it as dynstr, the last unref of dictionary will free it. updates: bz#1633930 Change-Id: Ib5a7cb891e6f7d90560859aaf6239e52ff5477d0 Signed-off-by: Kotresh HR <khiremat@redhat.com>
* dht: Fix clang warnings in dht-common.cShyamsundarR2018-12-161-20/+37
| | | | | | Change-Id: I0894d62edd68e13d123aaa5ca1827b98283f0d3e Updates: bz#1622665 Signed-off-by: ShyamsundarR <srangana@redhat.com>
* cluster/ec: NULL pointer deferencing clang fixSheetal Pamecha2018-12-141-1/+0
| | | | | | | | Removing VALIDATE_OR_GOTO check on "this" Change-Id: I154deaca5302b41c1cafd87077de880dd03ec613 Updates: bz#1622665 Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.com>
* all: remove code which is not being considered in buildAmar Tumballi2018-12-1311-11078/+0
| | | | | | | | | | | | | | | | | | | | | | | | | These xlators are now removed from build as per discussion/announcement done at https://lists.gluster.org/pipermail/gluster-users/2018-July/034400.html * move rot-13 to playground, as it is used only as demo purpose, and is documented in many places. * Removed code of below xlators: - cluster/stripe - cluster/tier - features/changetimerecorder - features/glupy - performance/symlink-cache - encryption/crypt - storage/bd - experimental/posix2 - experimental/dht2 - experimental/fdl - experimental/jbr updates: bz#1635688 Change-Id: I1d2d63c32535e149bc8dcb2daa76236c707996e8 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* xlator: make 'xlator_api' mandatoryAmar Tumballi2018-12-137-47/+54
| | | | | | | | | | | | | | * Remove the options to load old symbol. * keep only 'xlator_api' symbol from being exported using xlator.sym * add xlator_api to all the xlators where its missing NOTE: This covers all the xlators which has at least a test case to validate its loading. If there is a translator, which doesn't have any test, then we should probably remove that from codebase. fixes: #164 Change-Id: Ibcdc8c9844cda6b4463d907a15813745d14c1ebb Signed-off-by: Amar Tumballi <amarts@redhat.com>
* afr: some minor itable related cleanupsRavishankar N2018-12-124-12/+17
| | | | | | | | | | | | - this->itable always needs to be allocated, hence move it outside afr_selfheal_daemon_init(). - Invoke afr_selfheal_daemon_init() only for self-heal daemon case. - remove redundant itable allocation in afr_discover(). - destroy itable in fini. Updates bz#1193929 Change-Id: Ib28b50b607386f5a5aa7d2f743c8b506ccb10eae Signed-off-by: Ravishankar N <ravishankar@redhat.com>
* cluster/afr: Do not update read_subvol in inode_ctx after rename/link fopkarthik-us2018-12-121-1/+3
| | | | | | | | | | | Since rename/link fops on a file will not change any data in it, it should not update the read_subvol values in the inode_ctx, which interprets the data & metadata readable subvols for that file. The old read_subvol values should be retained even after the rename/link operations. Change-Id: I068044a426823a566f5bea8aa063cd689199d6dd fixes: bz#1657783 Signed-off-by: karthik-us <ksubrahm@redhat.com>
* afr: Resource leak coverity fixesBhumika Goyal2018-12-111-2/+13
| | | | | | | | | | | | | Problem reported by Coverity: Leak of memory or pointers to system resources. Deallocate the memory pointed to by xattr_serz as the memory reference is not stored anywhere. Fixes CID: 1124760, 124787, 1382418 Change-Id: Ib9c2ef28c52e2d43de2552cfd959a98b26272bc1 updates: bz#789278 Signed-off-by: Bhumika Goyal <bgoyal@redhat.com>
* all: add xlator_api to many translatorsAmar Tumballi2018-12-061-2/+17
| | | | | | Fixes: #164 Change-Id: I93ad6f0232a1dc534df099059f69951e1339086f Signed-off-by: Amar Tumballi <amarts@redhat.com>
* libglusterfs: Move devel headers under glusterfs directoryShyamsundarR2018-12-0563-214/+214
| | | | | | | | | | | | | | | | | | | | | | | | libglusterfs devel package headers are referenced in code using include semantics for a program, this while it works can be better especially when dealing with out of tree xlator builds or in general out of tree devel package usage. Towards this, the following changes are done, - moved all devel headers under a glusterfs directory - Included these headers using system header notation <> in all code outside of libglusterfs - Included these headers using own program notation "" within libglusterfs This change although big, is just moving around the headers and making it correct when including these headers from other sources. This helps us correctly include libglusterfs includes without namespace conflicts. Change-Id: Id2a98854e671a7ee5d73be44da5ba1a74252423b Updates: bz#1193929 Signed-off-by: ShyamsundarR <srangana@redhat.com>
* afr: assign gfid during name heal when no 'source' is present.Ravishankar N2018-12-034-52/+52
| | | | | | | | | | | | | | | | | | Problem: If parent dir is in split-brain or has dirty xattrs set, and the file has gfid missing on one of the bricks, then name heal won't assign the gfid. Fix: Use the brick we select the gfid from as the 'source'. Note: Problem was found while trying to debug a split-brain issue on Cynthia Zhou's setup. updates: bz#1637249 Change-Id: Id088d4f0fb017aa35122de426654194e581ed742 Reported-by: Cynthia Zhou <cynthia.zhou@nokia-sbell.com> Signed-off-by: Ravishankar N <ravishankar@redhat.com>
* Multiple xlator .h files: remove unused private gf_* memory types.Yaniv Kaul2018-11-303-21/+1
| | | | | | | | | | | | | It seems there were quite a few unused enums (that in turn cause unndeeded memory allocation) in some xlators. I've removed them, hopefully not causing any damage. Compile-tested only! updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com> Change-Id: I8252bd763dc1506e2d922496d896cd2fc0886ea7
* libglusterfs: rename macros roof and floor to not conflict with math.hRaghavendra Gowdappa2018-11-281-13/+14
| | | | | | Change-Id: I666eeb63ebd000711b3f793b948d4e0c04b1a242 Signed-off-by: Raghavendra Gowdappa <rgowdapp@redhat.com> Updates: bz#1644629
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