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* multiple-files: clang-scan fixesAmar Tumballi2018-12-315-7/+23
| | | | | | updates: bz#1622665 Change-Id: I9f3a75ed9be3d90f37843a140563c356830ef945 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* libglusterfs/src/mem-types.h: remove unused common enums from mem-types.hYaniv Kaul2018-12-302-144/+99
| | | | | | | | | | | | | | | | | They were not used at all, just taking space. I've also marked all those that are not common really, but used in just one place - they probably should move there (in follow-up patches) As a test, I've removed from the stripe xlator unused private enums and moved one that was in the common list, but only used in the stripe code, to be a private enum. Compile-tested only! updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com> Change-Id: I1158dc1d259f1fd3f69904336c46c9d83cea799f
* configure: add a message about asan optionAmar Tumballi2018-12-291-0/+12
| | | | | | | | | This added hint helps to get ASan logs for the daemon processes, with this one can start using asan for regression tests. updates: bz#1633930 Change-Id: I3b39892d45d29ae514dad8ab10f65703c02003f1 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* glusterd: NULL pointer dereferencing clang fixSheetal Pamecha2018-12-291-1/+1
| | | | | | | | | Added ternary operator to avoid this issue Updates: bz#1622665 Change-Id: I163d0628304a0d61249d1d97a4a3d3bee4ba4927 Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.com>
* mgmt/glusterd: fix clang warningSheetal Pamecha2018-12-291-1/+0
| | | | | | | | Attempt to free rsp.dict.dict_val twice Change-Id: I5dbc50430f59ca8d0c739b0fbe95d71981852889 Updates: bz#1622665 Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.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>
* rpc/rpc-lib: fix coverity issueSheetal Pamecha2018-12-281-4/+0
| | | | | | | | | | | Defect: Code can never be reached because of the condition queue_index > 1024 cannot be true. CID: 1398471 Logically dead code updates: bz#789278 Change-Id: I367cda7e734f6d774900a58d8664cffcab69126f Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.com>
* rpc : fix coverity in rpc/rpc-lib/src/rpcsvc.cSunny Kumar2018-12-281-2/+2
| | | | | | | | | | This patch fixes newly introduced coverity. CID: 1398472: Dereference before null check. updates: bz#789278 Change-Id: Ie9b13084097de8f24b138acd7608c3e15b3bba9c Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
* barrier: replace boolean-switch statement with if/elseNiels de Vos2018-12-281-43/+23
| | | | | | | | | | | | | | | | | | | | | | Squash some ugly warnings, and make the code a little bit simpler by removing some unneeded goto jumps. On Ubuntu 16.04 the following warnings were reported by Amudhan: CC barrier.lo barrier.c: In function ‘notify’: barrier.c:499:33: warning: switch condition has boolean value [-Wswitch-bool] switch (past) { ^ barrier.c: In function ‘reconfigure’: barrier.c:565:25: warning: switch condition has boolean value [-Wswitch-bool] switch (past) { ^ Change-Id: Ifb6b75058dff8c789b729c76530a1358d391f4d1 Updates: bz#1193929 Reported-by: Amudhan P <amudhan83@gmail.com> Signed-off-by: Niels de Vos <ndevos@redhat.com>
* glusterd: coverity fixesSanju Rakonde2018-12-272-0/+3
| | | | | | | | | | | | This patch addresses coverity issues with CID 1398470 and 1398475 1398470 - Missing unlock - False positive, Added a annotation to make coverity happy 1398475 - Unused value Change-Id: I1bb3df0b716690fad8fc52c393c8b2b6c41f7860 updates: bz#789278 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* cluster/ta: Check number/type of locks held on ta fileAshish Pandey2018-12-271-0/+68
| | | | | | Change-Id: Iec47856ce2819e7d7d38a60279602e53ba45858d updates: bz#1624332 Signed-off-by: Ashish Pandey <aspandey@redhat.com>
* core: Fixed typos in nl-cache and logging-guidelines.mdN Balachandran2018-12-262-3/+3
| | | | | | | | Replaced "recieve" with "receive". Change-Id: I58a3d3d4a0093df4743de9fae4d8ff152d4b216c fixes: bz#1662089 Signed-off-by: N Balachandran <nbalacha@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>
* socket: Remove redundant in_lock in incoming message handlingKrutika Dhananjay2018-12-262-37/+4
| | | | | | | | | | | | | A given epoll thread can handle only one incoming (POLLIN) request. And until the socket is rearmed for listening, it is guaranteed that there won't be any new incoming requests. As a result, the priv->in_lock which guards the socket proto state machine seems redundant. This patch removes priv->in_lock. Change-Id: I26b6ddd852aba8c10385833b85ffd2e53e46cb8c updates: bz#1467614 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
* cli: fix memory leakSunny Kumar2018-12-261-23/+72
| | | | | | | | This patch fixes memory leak in cli/src/cli.c. Change-Id: I4956c4180b34d4a9e3e6e60eeafba8cb2031896e updates: bz#1633930 Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
* posix: stack-buffer-overflow reported by asanHarpreet Kaur2018-12-262-2/+5
| | | | | | | | | | | | This patch fixes buffer overflow in $SRC/xlators/storage/posix/src/posix-inode-fd-ops.c Memory access at offset 432 overflows "md5_checksum" variable. SUMMARY: AddressSanitizer: stack-buffer-overflow (/lib64/libasan.so.5+0xb825a) updates: bz#1633930 Change-Id: I46010a09161d02cdf0c69679a334ec1d3d49cffb Signed-off-by: Harpreet Kaur <hlalwani@redhat.com>
* gfapi: Access fs->oldvolfile under mutex lockSoumya Koduri2018-12-251-0/+6
| | | | | | | | | | | In some cases (for eg., when there are multiple RPC_CLNT_CONNECT notifications), multiple threads may fetch volfile and try to update it in 'fs' object simultaneously. Hence protect those variables' access under fs->mutex lock. Change-Id: Idaee9548560db32d83f4c04ebb1f375fee7864a9 fixes: bz#1660577 Signed-off-by: Soumya Koduri <skoduri@redhat.com>
* meta : fix coverity issueSunny Kumar2018-12-231-1/+1
| | | | | | | | This patch fixes coverity issue possible null dereference. Change-Id: I93c0847c3d93b29a1e001ed044a63e908c670167 updates: bz#789278 Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
* tests: Brick is getting OOM in ./tests/bugs/core/bug-1432542-mpx-restart-crash.tMohit Agrawal2018-12-211-2/+3
| | | | | | | | | | | | | | This test "tests/bugs/core/bug-1432542-mpx-restart-crash.t" case creates 20 2x3 volumes after enabling brick_mux.At the time of creating last volume brick is getting OOM because brick consumption has increased from previous consumption due to these patches https://review.gluster.org/#/c/glusterfs/+/19997/, https://review.gluster.org/#/c/glusterfs/+/20362/ To avoid OOM reduce NUM_VOLS to 15 so that brick consumption has reduced Change-Id: Ib98b47a3db6b990ff22c7e57396d51e7fef5c7e8 fixes: bz#1661214 Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
* rpc: Use adaptive mutex in rpcsvc_program_registerMohit Agrawal2018-12-201-2/+8
| | | | | | | | | | Adaptive mutexes are used to protect critical/shared data items that are held for short periods.It provides a balance between spin locks and traditional mutex.We have observed after use adaptive mutex in rpcsvc_program_register got some improvement. Change-Id: I7905744b32516ac4e4ca3c83c2e8e5e306093add fixes: bz#1660701
* all: handle string-overflow warnings of coverityAmar Tumballi2018-12-202-29/+46
| | | | | | updates: bz#789278 Change-Id: I7de800b90a614e3666e965b0cafc70026a844b2d Signed-off-by: Amar Tumballi <amarts@redhat.com>
* all: handle USE_AFTER_FREE warningsAmar Tumballi2018-12-206-16/+60
| | | | | | | | | | | | | | | | | | | * 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>
* tests: Fix zero-flag.t scriptKrutika Dhananjay2018-12-191-1/+1
| | | | | | | | | | | | | | | The default value of shard-block-size was changed from 4MB to 64MB sometime back. The script "fallocate"s a 6MB file and expects it to have 1 shard under .shard. This worked when the shard-block-size was 4MB. With the default value now at 64MB, file "file1" won't have any shards under .shard and the stat on the 1st shard's path fails with ENOENT. Changed the script to explicitly set shard-block-size to 4MB. Change-Id: I7f1785922287d16d74c95fa57cbbe12e6e66e4f7 fixes: bz#1656264 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
* posix: use synctask for janitorPoornima G2018-12-1910-87/+205
| | | | | | | | | | | | | | With brick mux, the number of threads increases as the number of bricks increases. As an initiative to reduce the number of threads in brick mux scenario, replacing janitor thread to use synctask infra. Now close() and closedir() handle by separate janitor thread which is linked with glusterfs_ctx. Updates #475 Change-Id: I0c4aaf728125ab7264442fde59f3d08542785f73 Signed-off-by: Poornima G <pgurusid@redhat.com>
* rdma: fix possible buffer overflowRinku Kothiya2018-12-191-1/+6
| | | | | | | | | | | | | used snprintf instead of sprintf and if the source string is bigger than destination then logged a warning message. clang warning: ‘%s’ directive writing up to 1024 bytes into a region of size 108. updates: bz#1622665 Change-Id: Ia5e7c53d35d8178dd2c75708698599fe8bded5de Signed-off-by: Rinku Kothiya <rkothiya@redhat.com>
* cluster/afr: Allow lookup on root if it is from ADD_REPLICA_MOUNTkarthik-us2018-12-1810-32/+176
| | | | | | | | | | | | | | | | | | | | | 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>
* iobuf: Get rid of pre allocated iobuf_pool and use per thread mem poolPoornima G2018-12-189-1311/+97
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current implementation of iobuf_pool has two problems: - prealloc of 12.5MB memory, this limits the scale factor of the gluster processes due to RAM requirements - lock contention, as the current implementation has one global iobuf_pool lock. Credits for debugging and addressing the same goes to Krutika Dhananjay <kdhananj@redhat.com>. Issue: #410 Hence changing the iobuf implementation to use per thread mem pool. This may theoritically appear to cause perf dip as there is no preallocation. But per thread mem pool will not have significant perf impact as the last allocated memory is kept alive for subsequent allocs, for some time. The worst case would be if iobufs requested are of random sizes each time. The best case is, if we get iobuf request of the same size. From the perf tests, this patch did not seem to cause any perf decrease. Note that, with this patch, the rdma performance is going to degrade drastically. In one of the previous patchsets we had fixes to not degrade rdma perf, but rdma is not supported and also not tested [1]. Hence the decision was to not have code in rdma that is not tested and not supported. [1] https://lists.gluster.org/pipermail/gluster-users.old/2018-July/034400.html Updates: #325 Change-Id: Ic2ef3bd498f9250dea25f25ba0c01fde19584b27 Signed-off-by: Poornima G <pgurusid@redhat.com>
* performance/io-cache: update pages with write dataRaghavendra Gowdappa2018-12-182-4/+90
| | | | | | | | | | | | Currently io-cache invalidate pages falling in the range of write. But instead it can update pages with same data so that reads can make use of the cache. credits: Xavi Hernandez <xhernandez@redhat.com> Change-Id: I932bd3da97ddfd464187f3009b1013eb334f00a7 Signed-off-by: Raghavendra Gowdappa <rgowdapp@redhat.com> updates: bz#1659869
* performance/ob: make open-behind as a child of quick-readRaghavendra Gowdappa2018-12-181-9/+7
| | | | | | | | | | | | | | | | | With read-after-open being set to yes by default, if open-behind sees any reads, it'll do an open on backend (and hence flush/release later). This means with the current order of quick-read and open-behind, open-behind sees all reads and hence also does open bringing down performance for small file reads. Since for small files, reads are absorbed by quick-read, if quick-read is made a parent of open-behind, ob doesn't witness any reads. For read-only workloads, this means ob doen't do any opens (even with read-after-open yes and use-anonymous-fd no). Change-Id: I138a42b006d104cff43ee6f07829e39c36f6f234 Signed-off-by: Raghavendra Gowdappa <rgowdapp@redhat.com> Fixes: bz#1659327
* 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
* glusterd: define max-port to 60999Atin Mukherjee2018-12-181-1/+1
| | | | | | | | | | | | | | | | | | As glusterd scans through all the ports in its defined range, with RHEL 7.3 onwards any port beyond 60999 isn't within the ephemeral port range and following AVC denial message is seen. type=AVC msg=audit(1471946614.154:109): avc: denied { name_bind } for pid=2302 comm="glusterd" src=61000 scontext=system_u:system_r:glusterd_t:s0 tcontext=system_u:object_r:ephemeral_port_t:s0 tclass=tcp_socket Fix is to define the max port range to 60999 in glusterd.vol file. The port range can be tweaked through a reconfigure of this configuration file though. Fixes: bz#1659857 Change-Id: I60fd4a421d8509b8dca4ca13b73999ae33965f72 Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
* glusterd: migrating rebalance commands to mgmt_v3 frameworkSanju Rakonde2018-12-188-21/+630
| | | | | | | | | Current rebalance commands use the op_state machine framework. Porting it to use the mgmt_v3 framework. Change-Id: I6faf4a6335c2e2f3d54bbde79908a7749e4613e7 fixes: bz#1655827 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* mem-pool: Add api to mem_get based on requested sizePoornima G2018-12-174-27/+127
| | | | | | | | | | | | | | | Currently mem-pool implementation provides api to get from the mem pool based on the struct type. This is to retain api compatibility with the old implementation of mem pool. Internally in the mem pool structure there is a mapping from struct to size based pools. In this patch, we are adding new APIs to fetch memory from mem pool, given a size. Change-Id: Ib220ee45ebd134a7be8f6482db5a592dbb7b9211 Updates: #325 Signed-off-by: Poornima G <pgurusid@redhat.com>
* geo-rep : fix slave volume read-only optionSunny Kumar2018-12-171-1/+1
| | | | | | | | | | | | Problem: When separate ssh key is given for non root user setting slave volume read-only option results in failure. Solution: Check for extra param in case separate key is given for non-root user and take action accordingly. Change-Id: Iafe9a2aa6b86cde1dcd7d63771048a6ae33c2cde fixes: bz#1659971 Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
* Don't depend on string options to be valid alwaysPranith Kumar K2018-12-1711-67/+93
| | | | | | updates bz#1650403 Change-Id: Ib5a11e691599ce4bd93c1ed5aca6060592893961 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* features/snapview-client: access priv->path inside lockRaghavendra Bhat2018-12-173-75/+360
| | | | | | | | | | To handle the race condition of a fop or a function accessing priv->path and a reconfigure changing priv->path (because entry point directory changed), the private structure's path is guarded by the lock. updates bz#1650403 Change-Id: I61c539da06d68d38eafcf2155699c7702f31323e Signed-off-by: Raghavendra Bhat <raghavendra@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>
* selinux/glusterd : add "features.selinux" to glusterd-volume-set.cJiffin Tony Thottan2018-12-171-0/+9
| | | | | | Fixes: bz#1659868 Change-Id: I38675ba4d47c8ba7f94cfb4734692683ddb3dcfd Signed-off-by: Jiffin Tony Thottan <jthottan@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>
* fuse: SETLKW interruptCsaba Henk2018-12-142-0/+163
| | | | | | | | | Use the (f)getxattr based clearlocks interface to interrupt a pending lock request. updates: #465 Change-Id: I4e91a4d8791fc688fed400a02de4c53487e61be2 Signed-off-by: Csaba Henk <csaba@redhat.com>
* fuse: add --lru-limit optionAmar Tumballi2018-12-1411-87/+395
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The inode LRU mechanism is moot in fuse xlator (ie. there is no limit for the LRU list), as fuse inodes are referenced from kernel context, and thus they can only be dropped on request of the kernel. This might results in a high number of passive inodes which are useless for the glusterfs client, causing a significant memory overhead. This change tries to remedy this by extending the LRU semantics and allowing to set a finite limit on the fuse inode LRU. A brief history of problem: When gluster's inode table was designed, fuse didn't have any 'invalidate' method, which means, userspace application could never ask kernel to send a 'forget()' fop, instead had to wait for kernel to send it based on kernel's parameters. Inode table remembers the number of times kernel has cached the inode based on the 'nlookup' parameter. And 'nlookup' field is not used by no other entry points (like server-protocol, gfapi etc). Hence the inode_table of fuse module always has to have lru-limit as '0', which means no limit. GlusterFS always had to keep all inodes in memory as kernel would have had a reference to it. Again, the reason for this is, kernel's glusterfs inode reference was pointer of 'inode_t' structure in glusterfs. As it is a pointer, we could never free it (to prevent segfault, or memory corruption). Solution: In the inode table, handle the prune case of inodes with 'nlookup' differently, and call a 'invalidator' method, which in this case is fuse_invalidate(), and it sends the request to kernel for getting the forget request. When the kernel sends the forget, it means, it has dropped all the reference to the inode, and it will send the forget with the 'nlookup' parameter too. We just need to make sure to reduce the 'nlookup' value we have when we get forget. That automatically cause the relevant prune to happen. Credits: Csaba Henk, Xavier Hernandez, Raghavendra Gowdappa, Nithya B fixes: bz#1560969 Change-Id: Ifee0737b23b12b1426c224ec5b8f591f487d83a2 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* performance/rda: Fixed dict_t memory leakN Balachandran2018-12-141-8/+0
| | | | | | | | | | Removed all references to dict_t xdata_from_req which is allocated but not used anywhere. It is also not cleaned up and hence causes a memory leak. Change-Id: I2edb857696191e872ad12a12efc36999626bacc7 fixes: bz#1659432 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* glusterfsd: Fix coverity issueIraj Jamali2018-12-141-5/+0
| | | | | | | | | | | Problem reported: value assigned to a variable is never used Fixes CID : 1274230 updates: bz#789278 Change-Id: I7afcb411876dea81c6820c5b31ae0a2896f9ca15 Signed-off-by: Iraj Jamali <ijamali@redhat.com>
* extras: New group volume set command for Samba integrationAnoop C S2018-12-143-2/+15
| | | | | | | | | | | | | | | | | | | # gluster volume set <VOLNAME> group samba List of volume set options from group-samba are aimed at improving the below workloads which consumes time and network hops in SMB world: * Listing of large directories * Negative lookups during creation of files Caching the necessary metadata required for these workloads saves us time and network hops. On the other side we have to ensure correctness(avoiding stale cache) in caching(via md-cache) with the help of cache invalidation in an environment where multiple client access is expected. Change-Id: Icdd2d8e5eb290e12bc509105418c668f432f4eae fixes: bz#1656771 Signed-off-by: Anoop C S <anoopcs@redhat.com>
* locks: handle "clear locks" xattr in fgetxattr tooCsaba Henk2018-12-143-50/+82
| | | | | | | | | | | | | | The lock clearing procedure was kicked in only in getxattr context. We need it to work the same way if it's triggered via fgetxattr (as is the case with interrupt handling). Also cleaned up the instrumentation a bit (more logs, proper management of allocated data). updates: #465 Change-Id: Icfca26ee181da3b8e15ca3fcf61cd5702e2730c8 Signed-off-by: Csaba Henk <csaba@redhat.com>
* Multiple posix related files: several modificationsYaniv Kaul2018-12-148-238/+173
| | | | | | | | | | | | | | | | | | | | | | | | Just looked at posix.c and related code and performed some changes and cleanups. The only important one is #3 below, but surely the others (#2 and #4) need careful review. Changes to other files are as they were related to code paths in posix.c. I'll send a separate patch for other posix related files. Main changes: 1. Proper initializtion for parameters, where it made sense. 2. Logged outside the lock in several places. 3. Moved from CALLOC to MALLOC where it made sense. 4. Aligned structures. 5. moved dictionary functions to use _sizen where possible. (dict_get() -> dict_get_sizen() for example) Compile-tested only! Change-Id: Ia84699fb495e06d095339c91c1ba770d1393bb6c updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
* cli: variable-length array declaration clang fixSheetal Pamecha2018-12-141-2/+5
| | | | | | | | | | | Problem: Declared variable-length array can have zero size Added a goto statement to address this issue. Updates: bz#1622665 Change-Id: Ibf80643490367a5f7e50f66f87e4296380be45de Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.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>
* clang: Fix various missing checks for empty listShyamsundarR2018-12-1411-137/+176
| | | | | | | | | | | | | | | | | | | | When using list_for_each_entry(_safe) functions, care needs to be taken that the list passed in are not empty, as these functions are not empty list safe. clag scan reported various points where this this pattern could be caught, and this patch fixes the same. Additionally the following changes are present in this patch, - Added an explicit op_ret setting in error case in the macro MAKE_INODE_HANDLE to address another clang issue reported - Minor refactoring of some functions in quota code, to address possible allocation failures in certain functions (which in turn cause possible empty lists to be passed around) Change-Id: I1e761a8d218708f714effb56fa643df2a3ea2cc7 Updates: bz#1622665 Signed-off-by: ShyamsundarR <srangana@redhat.com>
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