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* graph/shd: Use glusterfs_graph_deactivate to free the xl recMohammed Rafi KC2019-06-271-0/+3
| | | | | | | | | | | | We were using glusterfs_graph_fini to free the xl rec from glusterfs_process_volfp as well as glusterfs_graph_cleanup. Instead we can use glusterfs_graph_deactivate, which is does fini as well as other common rec free. Change-Id: Ie4a5f2771e5254aa5ed9f00c3672a6d2cc8e4bc1 Updates: bz#1716695 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
* posix: modify storage.reserve option to take size and percentSheetal Pamecha2019-06-265-72/+39
| | | | | | | | | | | * reverting changes made in https://review.gluster.org/#/c/glusterfs/+/21686/ * Now storage.reserve can take value in percent or bytes fixes: bz#1651445 Change-Id: Id4826210ec27991c55b17d1fecd90356bff3e036 Signed-off-by: Sheetal Pamecha <spamecha@redhat.com>
* [RFC] change get_real_filename implementation to use ENOATTR instead of ENOENTMichael Adam2019-06-262-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | get_real_filename is implemented as a virtual extended attribute to help Samba implement the case-insensitive but case preserving SMB protocol more efficiently. It is implemented as a getxattr call on the parent directory with the virtual key of "get_real_filename:<entryname>" by looking for a spelling with different case for the provided file/dir name (<entryname>) and returning this correct spelling as a result if the entry is found. Originally (05aaec645a6262d431486eb5ac7cd702646cfcfb), the implementation used the ENOENT errno to return the authoritative answer that <entryname> does not exist in any case folding. Now this implementation is actually a violation or misuse of the defined API for the getxattr call which returns ENOENT for the case that the dir that the call is made against does not exist and ENOATTR (or the synonym ENODATA) for the case that the xattr does not exist. This was not a problem until the gluster fuse-bridge was changed to do map ENOENT to ESTALE in 59629f1da9dca670d5dcc6425f7f89b3e96b46bf, after which we the getxattr call for get_real_filename returned an ESTALE instead of ENOENT breaking the expectation in Samba. It is an independent problem that ESTALE should not leak out to user space but is intended to trigger retries between fuse and gluster. But nevertheless, the semantics seem to be incorrect here and should be changed. This patch changes the implementation of the get_real_filename virtual xattr to correctly return ENOATTR instead of ENOENT if the file/directory being looked up is not found. The Samba glusterfs_fuse vfs module which takes advantage of the get_real_filename over a fuse mount will receive a corresponding change to map ENOATTR to ENOENT. Without this change, it will still work correctly, but the performance optimization for nonexisting files is lost. On the other hand side, this change removes the distinction between the old not-implemented case and the implemented case. So Samba changed to treat ENOATTR like ENOENT will not work correctly any more against old servers that don't implement get_real_filename. I.e. existing files will be reported as non-existing Change-Id: I971b427ab8410636d5d201157d9af70e0d075b67 fixes: bz#1722977 Signed-off-by: Michael Adam <obnox@samba.org>
* locks: enable notify-contention by defaultXavi Hernandez2019-06-261-1/+1
| | | | | | | | This patch enables the lock contention notification by default. Change-Id: I10131b026a7cb09fc7c93e1e6c8549988c1d7751 Fixes: bz#1717754 Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
* glusterd: fix use-after-free of a dict_tXavi Hernandez2019-06-261-1/+1
| | | | | | | | | | | | | A dict was passed to a function that calls dict_unref() without taking any additional reference. Given that the same dict is also used after the function returns, this was causing a use-after-free situation. To fix the issue, we simply take an additional reference before calling the function. Fixes: bz#1723890 Change-Id: I98c6b76b08fe3fa6224edf281a26e9ba1ffe3017 Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
* glusterd: conditionally clear txn_opinfo in stage opAtin Mukherjee2019-06-251-2/+10
| | | | | | | | | ...otherwise this leads to a crash when volume status is run on a heterogeneous mode. Fixes: bz#1723658 Change-Id: I0d39f412b2e5e9d3ef0a3462b90b38bb5364b09d Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
* glusterd: Can't run rebalance due to long unix socketMohit Agrawal2019-06-251-51/+9
| | | | | | | | | | | | | Problem: glusterd populate unix socket file name based on volname and if volname is lengthy socket system call's are failed due to breach maximum length is defined in the kernel. Solution:Convert unix socket name to hash to resolve the issue Change-Id: I5072e8184013095587537dbfa4767286307fff65 fixes: bz#1720566 Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
* glusterd: ignore user.* options from compatibility check in brick muxAtin Mukherjee2019-06-251-0/+3
| | | | | | | | | user.* options are just custom and they don't contribute anything in terms of determining the volume compatibility in brick multiplexing Fixes: bz#1723402 Change-Id: Ic7e0181ab72993d29cab345cde64ae1340bf4faf Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
* lcov: add more tests to glfsxmp-coverageAmar Tumballi2019-06-251-9/+0
| | | | | | | | | * found a bug with quiesce fallocate() - fixed. * found a bug with cloudsync part of code in posix - fixed updates: bz#1693692 Change-Id: I4f315ffebb612de072ae08761b8cd0f47714080a Signed-off-by: Amar Tumballi <amarts@redhat.com>
* glusterd.h: remove unneeded macros or move them to their users.Yaniv Kaul2019-06-257-204/+162
| | | | | | | | | | Some macros were not used, so removed. Some macros were quite local, so moved to the respective users. Some macros simplified (removed an allocation here and there) Change-Id: Ifaf1aff15a78f105b1549ab8053378933b35df43 updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
* glusterd/shd: Change shd logfile to a unique nameMohammed Rafi KC2019-06-246-33/+39
| | | | | | | | | | | | | | | | With the shd mux changes, shd was havinga a logfile with volname of the first started volume. This was creating a lot confusion, as other volumes data is also logging to a logfile which has a different vol name. With this changes the logfile will be changed to a unique name ie "/var/log/glusterfs/glustershd.log". This was the same logfile name before the shd mux Change-Id: I2b94c1f0b2cf3c9493505dddf873687755a46dda fixes: bz#1721601 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
* shd/mux: Fix race between mux_proc unlink and stopMohammed Rafi KC2019-06-241-0/+3
| | | | | | | | | | | | | | There is a small race window, where we have a shd proc without having a connection. That is when we stopped the last shd running on a process. The list was removed outside of a lock just after stopping the process. So there is a window where we stopped the process, but the shd proc list contains the entry. Change-Id: Id82a82509e5cd72acac24e8b7b87197626525441 fixes: bz#1722541 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
* cluster/ec: Prevent double pre-op xattropsPranith Kumar K2019-06-221-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: Race: Thread-1 Thread-2 1) Does ec_get_size_version() to perform pre-op fxattrop as part of write-1 2) Calls ec_set_dirty_flag() in ec_get_size_version() for write-2. This sets dirty[] to 1 3) Completes executing ec_prepare_update_cbk leading to ctx->dirty[] = '1' 4) Takes LOCK(inode->lock) to check if there are any flags and sets dirty-flag because lock->waiting_flag is 0 now. This leads to fxattrop to increment on-disk dirty[] to '2' At the end of the writes the file will be marked for heal even when it doesn't need heal. Fix: Perform ec_set_dirty_flag() and other checks inside LOCK() to prevent dirty[] to be marked as '1' in step 2) above Updates bz#1593224 Change-Id: Icac2ab39c0b1e7e154387800fbededc561612865 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* posix/ctime: Fix ctime upgrade issueKotresh HR2019-06-211-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: On a EC volume, during upgrade from the older version where ctime feature is not enabled(or not present) to the newer version where the ctime feature is available (enabled default), the self heal hangs and doesn't complete. Cause: The ctime feature has both client side code (utime) and server side code (posix). The feature is driven from client. Only if the client side sets the time in the frame, should the server side sets the time attributes in xattr. But posix setattr/fseattr was not doing that. When one of the server nodes is updated, since ctime is enabled by default, it starts setting xattr on setattr/fseattr on the updated node/brick. On a EC volume the first two updated nodes(bricks) are not a problem because there are 4 other bricks with consistent data. However once the third brick is updated, the new attribute(mdata xattr) will cause an inconsistency on metadata on 3 bricks, which prevents the file to be repaired. Fix: Don't create mdata xattr with utimes/utimensat system call. Only update if already present. Change-Id: Ieacedecb8a738bb437283ef3e0f042fd49dc4c8c fixes: bz#1720201 Signed-off-by: Kotresh HR <khiremat@redhat.com>
* WORM-Xlator: Avoid performing fsetxattr if fd is NULLDavid Spisla2019-06-211-0/+7
| | | | | | | | | | | If worm_create_cbk receives an error (op_ret == -1) fd will be NULL and therefore performing fsetxattr would lead to a segfault and the brick process crashes. To avoid this we allow setting fsetxattr only if op_ret >= 0 . If an error happens we explicitly unwind Change-Id: Ie7f8a198add93e5cd908eb7029cffc834c3b58a6 fixes: bz#1717757 Signed-off-by: David Spisla <david.spisla@iternity.com>
* ec-heal: check file's gfid when deleting stale nameKinglong Mee2019-06-201-1/+11
| | | | | | | | | | | | A name-less lookup does not contain parent's stat, It is hard to check the lookuped file is at the right path. This patch changes to a name lookup, and check file's gfid with expected gfid. If the gfid is different, mark it estale. fixes: bz#1702131 Change-Id: I2de20b10d680eed1e2fb1d3830b3b3dec4520dbf Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
* afr/read: Implement latency based read child selectionMohammed Rafi KC2019-06-203-27/+98
| | | | | | | | | | | | | | | | | Network latency is an important factor selecting a read subvolume. So this patch is adding two new policy. 1) We measure the latency of a child during a GF_DUMP rpc call. Then use this latency to pick a read subvol having the least latency. 2) Second one is an hybrid mode where it calculates the effective latency by multiplying outstanding pending read request and latency, and choose the least one. Change-Id: Ia49c8a08ab61f7dcdad8b8950aa4d338e7accf97 fixes: #520 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
* posix: fix crash in posix_cs_set_stateSusant Palai2019-06-202-3/+9
| | | | | | Fixes: bz#1721474 Change-Id: Ic2a53fa3d1e9e23424c6898e0986f80d52c5e3f6 Signed-off-by: Susant Palai <spalai@redhat.com>
* encryption/crypt: remove from volume fileAmar Tumballi2019-06-202-34/+0
| | | | | | | | | | | | | | The feature is not supported and is moved out of the codebase from glusterfs-5.x release. Doesn't make sense to keep the code to support it. For those who want to upgrade from an version supporting it to higher version, please do a 'gluster volume reset $VOL encryption reset' and then continue with the upgrade process. updates: bz#1648169 Change-Id: I8cf822c0d7195940bd37f6af2432a3cac68d44d1 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* md-cache: only update generation for inode at upcall and NULL statKinglong Mee2019-06-191-20/+36
| | | | | | | | | | | | | | | 1. For parallel writes from nfs-ganesha, two fops with two generations, but the fops reply maybe returned disordered. 2. The inode md-cache timeout should not increase conf->generation. With this patch, 1, Fop only gets generation from inode md-cache or conf, does not increase it. 2. The generation is increased at upcall invalidate, estal/enoent error invalidate, reply with zeroed out stat from write-behind. Change-Id: I897ecaa143fd18bc024c1948c7d1a6f831fd53da Updates: bz#1683594 Signed-off-by: Kinglong Mee <mijinlong@open-fs.com>
* cluster/dht: Strip out dht xattrsN Balachandran2019-06-191-0/+2
| | | | | | | | | | Some internal DHT xattrs were not being removed when calling getxattr in pass-through mode. This has been fixed. Change-Id: If7e3dbc7b495db88a566bd560888e3e9c167defa fixes: bz#1721435 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* glusterd-volgen.c: remove BD xlator from the graphYaniv Kaul2019-06-188-49/+1
| | | | | | | | | | | | | The BD xlator was removed some time ago. Remove it from the graph. We can also remove the caps settings - only the BD xlator was using it. Lastly, remove the caps (which only BD was using) and the document describing the translator. Change-Id: Id0adcb2952f4832a5dc6301e726874522e07935d updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
* core: fedora 30 compiler warningsSheetalPamecha2019-06-184-9/+7
| | | | | | | | warning: ‘%s’ directive argument is null [-Wformat-overflow=] Change-Id: I69b8d47f0002c58b00d1cc947fac6f1c64e0b295 updates: bz#1193929 Signed-off-by: SheetalPamecha <spamecha@redhat.com>
* glusterd: log error message only when rsp.op_ret is negativeSanju Rakonde2019-06-171-1/+1
| | | | | | | | | | | | | | | | Problem: commit d42221bec9 added a log message based on rsp.op_ret check. but while running subdir-mount.t, this message is seen even on successful mounts. Solution: in __server_getspec(), return value of sys_read() is assigned to ret, which will be a non-negative number in when sys_read() is success. This non-zero value is assigned to rsp.op_ret. We should log an error only when rsp.op_ret is negative. fixes: bz#1718848 Change-Id: Ieef8ba33c2c7b4a97d4aef17543f58e66fd3b341 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* glusterd: add GF_TRANSPORT_BOTH_TCP_RDMA in glusterd_get_gfproxy_client_volfileAtin Mukherjee2019-06-171-0/+1
| | | | | | | | | ... with out which volume creation fails with "volume create: <xyz>: failed: Failed to create volume files" Fixes: bz#1716812 Change-Id: I2f4c2c6d5290f066b54e1c1db19e25db9937bedb Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
* uss: Fix tar issue with ctime and uss enabledKotresh HR2019-06-171-9/+13
| | | | | | | | | | | | | | | | | | | Problem: If ctime and uss enabled, tar still complains with 'file changed as we read it' Cause: To clear nfs cache (gluster-nfs), the ctime was incremented in snap-view client on stat cbk. Fix: The ctime should not be incremented manually. Since gluster-nfs is planning to be deprecated, this code is being removed to fix the issue. Change-Id: Iae7f100c20fce880a50b008ba716077350281404 fixes: bz#1720290 Signed-off-by: Kotresh HR <khiremat@redhat.com>
* afr/fini: Free local_pool data during an afr finiMohammed Rafi KC2019-06-171-0/+6
| | | | | | | | | We should free the mem_pool local_pool during an afr_fini. Otherwise this will lead to mem leak for shd Change-Id: I805a34a88077bf7b886c28b403798bf9eeeb1c0b Updates: bz#1716695 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
* clang-scan: resolve warningAmar Tumballi2019-06-152-4/+6
| | | | | | | | | | | | | | | dht-common.c: because there was a 'goto err' before assigning the 'local' variable, there is possibility of NULL dereference. As the check which was done wouldn't ever be true, removed the check. glusterd-geo-rep.c: a possible path where 'slave_host' could be NULL when it gets passed to strcmp() is found. strcmp() expects a valid string. Add a NULL check. Updates: bz#1622665 Change-Id: I64c280bc1beac9a2b109e8fa88f2a5ce8b823c3a Signed-off-by: Amar Tumballi <amarts@redhat.com>
* multiple files: another attempt to remove includesYaniv Kaul2019-06-1461-182/+26
| | | | | | | | | | | | | | | | | | There are many include statements that are not needed. A previous more ambitious attempt failed because of *BSD plafrom (see https://review.gluster.org/#/c/glusterfs/+/21929/ ) Now trying a more conservative reduction. It does not solve all circular deps that we have, but it does reduce some of them. There is just too much to handle reasonably (dht-common.h includes dht-lock.h which includes dht-common.h ...), but it does reduce the overall number of lines of include we need to look at in the future to understand and fix the mess later one. Change-Id: I550cd001bdefb8be0fe67632f783c0ef6bee3f9f updates: bz#1193929 Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
* gnfs: support inode dumpXie Changlong2019-06-141-0/+16
| | | | | | | | So, we will get more debug info. fixes: #679 Change-Id: I3588e204ad25c20b69271c1a4ee17d0d158bd794 Signed-off-by: Xie Changlong <xiechanglong@cmss.chinamobile.com>
* upcall: Avoid sending notifications for invalid inodesSoumya Koduri2019-06-141-1/+18
| | | | | | | | | | | | | | | | | | | For nameless LOOKUPs, server creates a new inode which shall remain invalid until the fop is successfully processed post which it is linked to the inode table. But incase if there is an already linked inode for that entry, it discards that newly created inode which results in upcall notification. This may result in client being bombarded with unnecessary upcalls affecting performance if the data set is huge. This issue can be avoided by looking up and storing the upcall context in the original linked inode (if exists), thus saving up on those extra callbacks. Change-Id: I044a1737819bb40d1a049d2f53c0566e746d2a17 fixes: bz#1718338 Signed-off-by: Soumya Koduri <skoduri@redhat.com>
* libglusterfs: cleanup iovec functionsXavi Hernandez2019-06-116-50/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch cleans some iovec code and creates two additional helper functions to simplify management of iovec structures. iov_range_copy(struct iovec *dst, uint32_t dst_count, uint32_t dst_offset, struct iovec *src, uint32_t src_count, uint32_t src_offset, uint32_t size); This function copies up to 'size' bytes from 'src' at offset 'src_offset' to 'dst' at 'dst_offset'. It returns the number of bytes copied. iov_skip(struct iovec *iovec, uint32_t count, uint32_t size); This function removes the initial 'size' bytes from 'iovec' and returns the updated number of iovec vectors remaining. The signature of iov_subset() has also been modified to make it safer and easier to use. The new signature is: iov_subset(struct iovec *src, int src_count, uint32_t start, uint32_t size, struct iovec **dst, int32_t dst_count); This function creates a new iovec array containing the subset of the 'src' vector starting at 'start' with size 'size'. The resulting array is allocated if '*dst' is NULL, or copied to '*dst' if it fits (based on 'dst_count'). It returns the number of iovec vectors used. A new set of functions to iterate through an iovec array have been created. They can be used to simplify the implementation of other iovec-based helper functions. Change-Id: Ia5fe57e388e23392a8d6cdab17670e337cadd587 Updates: bz#1193929 Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
* Cluster/afr: Don't treat all bricks having metadata pending as split-brainkarthik-us2019-06-102-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | Problem: We currently don't have a roll-back/undoing of post-ops if quorum is not met. Though the FOP is still unwound with failure, the xattrs remain on the disk. Due to these partial post-ops and partial heals (healing only when 2 bricks are up), we can end up in metadata split-brain purely from the afr xattrs point of view i.e each brick is blamed by atleast one of the others for metadata. These scenarios are hit when there is frequent connect/disconnect of the client/shd to the bricks. Fix: Pick a source based on the xattr values. If 2 bricks blame one, the blamed one must be treated as sink. If there is no majority, all are sources. Once we pick a source, self-heal will then do the heal instead of erroring out due to split-brain. This patch also adds restriction of all the bricks to be up to perform metadata heal to avoid any metadata loss. Removed the test case tests/bugs/replicate/bug-1468279-source-not-blaming-sinks.t as it was doing metadata heal even when only 2 of 3 bricks were up. Change-Id: I07a9d62f84ceda329dcab1f02a33aeed258dcb09 fixes: bz#1717819 Signed-off-by: karthik-us <ksubrahm@redhat.com>
* features/shard: Fix extra unref when inode object is lru'd out and added backKrutika Dhananjay2019-06-091-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Long tale of double unref! But do read... In cases where a shard base inode is evicted from lru list while still being part of fsync list but added back soon before its unlink, there could be an extra inode_unref() leading to premature inode destruction leading to crash. One such specific case is the following - Consider features.shard-deletion-rate = features.shard-lru-limit = 2. This is an oversimplified example but explains the problem clearly. First, a file is FALLOCATE'd to a size so that number of shards under /.shard = 3 > lru-limit. Shards 1, 2 and 3 need to be resolved. 1 and 2 are resolved first. Resultant lru list: 1 -----> 2 refs on base inode - (1) + (1) = 2 3 needs to be resolved. So 1 is lru'd out. Resultant lru list - 2 -----> 3 refs on base inode - (1) + (1) = 2 Note that 1 is inode_unlink()d but not destroyed because there are non-zero refs on it since it is still participating in this ongoing FALLOCATE operation. FALLOCATE is sent on all participant shards. In the cbk, all of them are added to fync_list. Resulting fsync list - 1 -----> 2 -----> 3 (order doesn't matter) refs on base inode - (1) + (1) + (1) = 3 Total refs = 3 + 2 = 5 Now an attempt is made to unlink this file. Background deletion is triggered. The first $shard-deletion-rate shards need to be unlinked in the first batch. So shards 1 and 2 need to be resolved. inode_resolve fails on 1 but succeeds on 2 and so it's moved to tail of list. lru list now - 3 -----> 2 No change in refs. shard 1 is looked up. In lookup_cbk, it's linked and added back to lru list at the cost of evicting shard 3. lru list now - 2 -----> 1 refs on base inode: (1) + (1) = 2 fsync list now - 1 -----> 2 (again order doesn't matter) refs on base inode - (1) + (1) = 2 Total refs = 2 + 2 = 4 After eviction, it is found 3 needs fsync. So fsync is wound, yet to be ack'd. So it is still inode_link()d. Now deletion of shards 1 and 2 completes. lru list is empty. Base inode unref'd and destroyed. In the next batched deletion, 3 needs to be deleted. It is inode_resolve()able. It is added back to lru list but base inode passed to __shard_update_shards_inode_list() is NULL since the inode is destroyed. But its ctx->inode still contains base inode ptr from first addition to lru list for no additional ref on it. lru list now - 3 refs on base inode - (0) Total refs on base inode = 0 Unlink is sent on 3. It completes. Now since the ctx contains ptr to base_inode and the shard is part of lru list, base shard is unref'd leading to a crash. FIX: When shard is readded back to lru list, copy the base inode pointer as is into its inode ctx, even if it is NULL. This is needed to prevent double unrefs at the time of deleting it. Change-Id: I99a44039da2e10a1aad183e84f644d63ca552462 Updates: bz#1696136 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
* ec/fini: Fix race between xlator cleanup and on going async fopMohammed Rafi KC2019-06-086-15/+56
| | | | | | | | | | | | | | | | Problem: While we process a cleanup, there is a chance for a race between async operations, for example ec_launch_replace_heal. So this can lead to invalid mem access. Solution: Just like we track on going heal fops, we can also track fops like ec_launch_replace_heal, so that we can decide when to send a PARENT_DOWN request. Change-Id: I055391c5c6c34d58aef7336847f3b570cb831298 fixes: bz#1703948 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
* uss: Ensure that snapshot is deleted before creating a new snapshotRaghavendra Bhat2019-06-083-3/+17
| | | | | | | | * Also some logging enhancements in snapview-server Change-Id: I6a7646771cedf4bd1c62806eea69d720bbaf0c83 fixes: bz#1715921 Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
* glusterd: store fips-mode-rchecksum option in the info fileRavishankar N2019-06-081-0/+11
| | | | | | | | | | | commit 146e4b45d0ce906ae50fd6941a1efafd133897ea enabled storage.fips-mode-rchecksum option for all new volumes with op-version >=GD_OP_VERSION_7_0 but `gluster vol get $volname storage.fips-mode-rchecksum` was displaying it as 'off'. This patch fixes it. fixes: bz#1717782 Change-Id: Ie09f89838893c5776a3f60569dfe8d409d1494dd Signed-off-by: Ravishankar N <ravishankar@redhat.com>
* glusterd: Fix typosAnoop C S2019-06-071-1/+1
| | | | | | Change-Id: I8cf0a153f84ef2d162e6dd03261441d211c07d40 updates: bz#1193929 Signed-off-by: Anoop C S <anoopcs@redhat.com>
* cluster/dht: Fix directory perms during selfhealN Balachandran2019-06-051-3/+5
| | | | | | | | | Fixed a bug in the revalidate code path that wiped out directory permissions if no mds subvol was found. Change-Id: I8b4239ffee7001493c59d4032a2d3062586ea115 fixes: bz#1716830 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* across: clang-scan: fix NULL dereferencing warningsAmar Tumballi2019-06-047-19/+34
| | | | | | | | | All these checks are done after analyzing clang-scan report produced by the CI job @ https://build.gluster.org/job/clang-scan updates: bz#1622665 Change-Id: I590305af4ceb779be952974b2a36066ffc4865ca Signed-off-by: Amar Tumballi <amarts@redhat.com>
* features/shard: Fix block-count accounting upon truncate to lower sizeKrutika Dhananjay2019-06-043-13/+58
| | | | | | | | | | | | | | | | | The way delta_blocks is computed in shard is incorrect, when a file is truncated to a lower size. The accounting only considers change in size of the last of the truncated shards. FIX: Get the block-count of each shard just before an unlink at posix in xdata. Their summation plus the change in size of last shard (from an actual truncate) is used to compute delta_blocks which is used in the xattrop for size update. Change-Id: I9128a192e9bf8c3c3a959e96b7400879d03d7c53 fixes: bz#1705884 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
* glusterd: coverity fixMohit Agrawal2019-06-041-5/+11
| | | | | | | | | | 1401716: Resource leak 1401714: Dereference before null check updates: bz#789278 Change-Id: I8fb0b143a1d4b37ee6be7d880d9b5b84ba00bf36 Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
* glusterd/tier: gluster upgrade broken because of tierhari gowtham2019-06-031-0/+9
| | | | | | | | | | | | | | | | | | | | Problem: While tier code was removed, the is_tier_enabled related to tier wasn't handled for upgrade. As this option was missing in the info file, the checksum mismatch issue happens during upgrade. This results in the peer rejections happening. Fix: use the op_version check and note down the is_tier_enabled always. This way it will be dummy key, but the future upgrades will work fine. NOTE: Just having the key from 3.10 to 7 will cause issues when upgraded from 5 to 8 or any such upgrade which skips the version where we handle it. Change-Id: I9951e2b74f16e58e884e746c34dcf53e559c7143 fixes: bz#1714973 Signed-off-by: hari gowtham <hgowtham@redhat.com>
* lcov: improve line coverageAmar Tumballi2019-06-033-117/+55
| | | | | | | | | | | | upcall: remove extra variable assignment and use just one initialization. open-behind: reduce the overall number of lines, in functions not frequently called selinux: reduce some lines in init failure cases updates: bz#1693692 Change-Id: I7c1de94f2ec76a5bfe1f48a9632879b18e5fbb95 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* across: coverity fixesAmar Tumballi2019-06-035-5/+11
| | | | | | | | | | | | | | | * locks/posix.c: key was not freed in one of the cases. * locks/common.c: lock was being free'd out of context. * nfs/exports: handle case of missing free. * protocol/client: handle case of entry not freed. * storage/posix: handle possible case of double free CID: 1398628, 1400731, 1400732, 1400756, 1124796, 1325526 updates: bz#789278 Change-Id: Ieeaca890288bc4686355f6565f853dc8911344e8 Signed-off-by: Amar Tumballi <amarts@redhat.com> Signed-off-by: Sheetal Pamecha <spamecha@redhat.com>
* posix: add storage.reserve-size optionSheetal Pamecha2019-06-035-13/+80
| | | | | | | | | | | storage.reserve-size option will take size as input instead of percentage. If set, priority will be given to storage.reserve-size over storage.reserve. Default value of this option is 0. fixes: bz#1651445 Change-Id: I7a7342c68e436e8bf65bd39c567512ee04abbcea Signed-off-by: Sheetal Pamecha <sheetal.pamecha08@gmail.com>
* glusterd: remove trivial conditionsSanju Rakonde2019-06-011-4/+2
| | | | | | | updates: bz#1193929 Change-Id: Ieb5e35d454498bc389972f9f15fe46b640f1b97d Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* glusterd: Optimize code to copy dictionary in handshake code pathMohit Agrawal2019-05-314-36/+179
| | | | | | | | | | | | | Problem: While high no. of volumes are configured around 2000 glusterd has bottleneck during handshake at the time of copying dictionary Solution: To avoid the bottleneck serialize a dictionary instead of copying key-value pair one by one Change-Id: I9fb332f432e4f915bc3af8dcab38bed26bda2b9a fixes: bz#1711297 Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
* glusterd/shd: Optimize the glustershd manager to send reconfigureMohammed Rafi KC2019-05-311-4/+5
| | | | | | | | | | | | | Traditionally all svc manager will execute process stop and then followed by start each time when they called. But that is not required by shd, because the attach request implemented in the shd multiplex has the intelligence to check whether a detach is required prior to attaching the graph. So there is no need to send an explicit detach request if we are sure that the next call is an attach request Change-Id: I9157c8dcaffdac038f73286bcf5646a3f1d3d8ec fixes: bz#1710054 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
* glusterd/svc: Stop stale process using the glusterd_proc_stopMohammed Rafi KC2019-05-311-3/+3
| | | | | | | | | | | While restarting a glusterd process, when we have a stale pid we were doing a simple kill. Instead we can use glusterd_proc_stop Because it has more logging plus force kill in case if there is any problem with kill signal handling. Change-Id: I4a2dadc210a7a65762dd714e809899510622b7ec updates: bz#1710054 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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