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* tests/dht: Non-root can delete stale linkto filesN Balachandran2018-02-121-0/+51
| | | | | | | | | | | | | Test to check that non-root users can delete stale linkto files > Change-Id: Ic9bc76bc485cab839927af60cfce78a058eee2e4 > BUG: 1542318 > Signed-off-by: N Balachandran <nbalacha@redhat.com> Change-Id: Ic9bc76bc485cab839927af60cfce78a058eee2e4 BUG: 1543487 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* Release notes for #368Pranith Kumar K2018-02-111-10/+5
| | | | | | BUG: 1539842 Change-Id: I9d4106f478e7244146998752ddf4f280225d339b Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* doc: updated the release-notesAmar Tumballi2018-02-111-43/+90
| | | | | Change-Id: I481a0041393acf556f4c6ab15ee74e4c8e3dea50 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* core: move logs which are only developer relevant to DEBUG levelAmar Tumballi2018-02-095-6/+6
| | | | | | Change-Id: I8b38e231b6160db8075f73773d4e7dc115a90d95 BUG: 1542829 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* cluster/dht: Unlink linkto files as rootN Balachandran2018-02-091-3/+7
| | | | | | | | | | | | | | | Non-privileged users cannot delete linkto files. However the failure to unlink a stale linkto causes DHT to fail the lookup with EIO and hence prevent access to the file. > Change-Id: Id295362d41e52263790694602f36f1219f0646a2 > BUG: 1542318 > Signed-off-by: N Balachandran <nbalacha@redhat.com> Change-Id: Id295362d41e52263790694602f36f1219f0646a2 BUG: 1543487 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* glusterd: process pmap sign in only when port is marked as freeAtin Mukherjee2018-02-091-0/+15
| | | | | | | | | | | | | | | | | | | Because of some crazy race in volume start code path because of friend handshaking with volumes with quorum enabled we might end up into a situation where glusterd would start a brick and get a disconnect and then immediately try to start the same brick instance based on another friend update request. And then if for the very first brick even if the process doesn't come up at the end sign in event gets sent and we end up having two duplicate portmap entries for the same brick. Since in brick start we mark the previous port as free, its better to consider a sign in request as no op if the corresponding port type is marked as free. >mainline patch : https://review.gluster.org/#/c/19263/ Change-Id: I995c348c7b6988956d24b06bf3f09ab64280fc32 BUG: 1543711 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> (cherry picked from commit 9d708a3739c8201d23f996c413d6b08f8b13dd90)
* build: use libtirpc by default, even if ipv6 is not the defaultNiels de Vos2018-02-081-1/+8
| | | | | | | | | | | | | | | | | An error sneaked in with Change-Id I86f847dfd. The check for requiring libtirpc-devel should be done regardless of the ipv6-default. Even if IPv6 is not the default, libtirpc-devel should be used unless it is explicitly requested by a --without option. libtirpc can not be used on EL6 and EL7 yet. The EL7 version does not provide xdr_sizeof(), in addition to that, EL6 does not have xdr_uint32_t() and xdr_uint64_t(). BUG: 1538723 Change-Id: I4a8292de2eddad16137df5998334133fc1e11261 Fixes: 0c57232ae07f48bd6483bfe88a182f832377ef52 Signed-off-by: Niels de Vos <ndevos@redhat.com> (cherry picked from commit 7631b22a5960363518ad13da8661c76a1ffec253)
* build: glibc has removed rpc headers and rpcgen in Fedora28, use libtirpcKaleb S. KEITHLEY2018-02-072-51/+91
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Other Linux distributions are doing the same; some others have already done so. Switch to libtirpc(-devel) and unbundled rpcgen packages. For now rpcgen is still provided by the glibc-rpcgen RPM, but rpcsvc-proto's rpcgen subpackage is available now but will not be used until glibc-rpcgen is retired. (note, rpcsvc-proto's rpcgen is just named rpcgen-...rpm. I.e. not rpcsvc-proto-rpcgen.) Right now either one will satisfy the BuildRequires: rpcgen. Also, when a .spec file has BuildRequires: foo-devel it is not necessary to also have: BuildRequires: foo or even: BuildRequires: foo foo-devel The foo-devel package has a dependency on foo, which will install foo automatically. It's usually also not necessary to have a corresponding Requires: foo as the rpmbuild process will also automatically determine the install-time dependencies. And other minor glusterfs.spec.in cleanup of ipv6-default, including sorting the argument definitions because the comment says "keep them sorted" (Though nobody appears to have ever sorted them in the first place.) Change-Id: I86f847dfda0fef83e22c6e8b761342d652a2d9ba BUG: 1538723 Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com> (cherry picked from commit 0c57232ae07f48bd6483bfe88a182f832377ef52)
* glusterd/store: handle the case of fsid being set to 0Amar Tumballi2018-02-061-0/+19
| | | | | | | | | | | | | Generally this would happen when a system gets upgraded from an version which doesn't have fsid details, to a version with fsid values. Without this change, after upgrade, people would see reduced 'df ' output, causing lot of confusions. Debugging Credits: Nithya B <nbalacha@redhat.com> Change-Id: Id718127ddfb69553b32770b25021290bd0e7c49a BUG: 1541880 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* cluster/dht: avoid overwriting client writes during migrationSusant Palai2018-02-0612-12/+269
| | | | | | | | | | | | | | | | | | | | | | | | | For more details on this issue see https://github.com/gluster/glusterfs/issues/308 Solution: This is a restrictive solution where a file will not be migrated if a client writes to it during the migration. This does not check if the writes from the rebalance and the client actually do overlap. If dht_writev_cbk finds that the file is being migrated (PHASE1) it will set an xattr on the destination file indicating the file was updated by a non-rebalance client. Rebalance checks if any other client has written to the dst file and aborts the file migration if it finds the xattr. updates gluster/glusterfs#308 Change-Id: I73aec28bc9dbb8da57c7425ec88c6b6af0fbc9dd Signed-off-by: Susant Palai <spalai@redhat.com> Signed-off-by: Raghavendra G <rgowdapp@redhat.com> Signed-off-by: N Balachandran <nbalacha@redhat.com> (cherry picked from commit 545a7ce6762a1b3a7b989b43a9d18b5b1b299df0)
* afr: capture the correct errno in post-op quorum checkRavishankar N2018-02-061-8/+8
| | | | | | | | | | If the post-op phase of txn did not meet quorm checks, use that errno to unwind the FOP rather than blindly setting ENOTCONN. Change-Id: I0cb0c8771ec75a45f9a25ad4cd8601103deddf0c BUG: 1542382 Signed-off-by: Ravishankar N <ravishankar@redhat.com> (cherry picked from commit 440a048f24b006c80af3d7bcd0a1f13fe3459d87)
* afr: don't treat all cases all bricks being blamed as split-brainRavishankar N2018-02-065-9/+165
| | | | | | | | | | | | | | | | | | | | | | | | 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 split-brain purely from the afr xattrs point of view i.e each brick is blamed by atleast one of the others. These scenarios are hit when there is frequent connect/disconnect of the client/shd to the bricks while I/O or heal are in progress. Fix: Instead of undoing the post-op, 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. Change-Id: I3d0224b883eb0945785ade0e9697a1c828aec0ae BUG: 1542380 Signed-off-by: Ravishankar N <ravishankar@redhat.com> (cherry picked from commit 0e6e8216823c2d9dafb81aae0f6ee3497c23d140)
* cluster/afr: remove unnecessary child_up initializationXavier Hernandez2018-02-061-7/+0
| | | | | | | | | | | | | | | The child_up array was initialized with all elements being -1 to allow afr_notify() to differentiate down bricks from bricks that haven't reported yet. With current implementation this is not needed anymore and it was causing unexpected results when other parts of the code considered that if child_up[i] != 0, it meant that it was up. Backport of: > BUG: 1541038 Change-Id: I2a9d712ee64c512f24bd5cd3a48dcb37e3139472 BUG: 1541928 Signed-off-by: Xavier Hernandez <jahernan@redhat.com>
* cluster/dht: Fixed leak in dht_populate_inode_for_dentryN Balachandran2018-02-062-6/+10
| | | | | | | | | | | | | | | | | Fixed an issue in dht_populate_inode_for_dentry where a layout is set in the inode without checking if it is already set. This overwrites the value each time without freeing the already existing layout. Also includes the changes in https://review.gluster.org/19471 which fix a leak introduced in the original patch. > Change-Id: I651bf539a0b82b4ddc4c355890c16a8e91f5f1fd > BUG: 1541264 > Signed-off-by: N Balachandran <nbalacha@redhat.com> Change-Id: I651bf539a0b82b4ddc4c355890c16a8e91f5f1fd BUG: 1541277 Signed-off-by: N Balachandran <nbalacha@redhat.com>
* cluster/ec: Do lock conflict check correctly for wait-listPranith Kumar K2018-02-021-8/+15
| | | | | | | | | | | | | | Problem: ec_link_has_lock_conflict() is traversing over only owner_list but the function is also getting called with wait_list. Fix: Modify ec_link_has_lock_conflict() to traverse lists correctly. Updated the callers to reflect the changes. BUG: 1540882 Change-Id: Ibd7ea10f4498e7c2761f9a6faac6d5cb7d750c91 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* sdfs: crash fixesAmar Tumballi2018-02-012-8/+36
| | | | | | | | | | | | | | * from the patch which got tested in experimental branch, there was a code cleanup involved, which missed setting of a local variable, which led to crash immediately after enabling the feature. * added a sanity test case to validate all the fops of sdfs. Updates: #397 Change-Id: I7e0bebfc195c344620577cb16c1afc5f4e7d2d92 BUG: 1541117 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* build: Add new glusterfs4 source files to gitignoreAnoop C S2018-02-011-0/+2
| | | | | | Change-Id: I4e6439d0f1ab55528c0f7e23c437c7b62628b8e4 Signed-off-by: Anoop C S <anoopcs@redhat.com> (cherry picked from commit ff127dec90b80ac7d609087594ee5466acf76390)
* protocol: utilize the version 4 xdrv4.0.0rc0Amar Tumballi2018-02-018-152/+581
| | | | | | | updates #384 Change-Id: Id80bf470988dbecc69779de9eb64088559cb1f6a Signed-off-by: Amar Tumballi <amarts@redhat.com>
* gfapi : New APIs have been added to use lease feature in glusterSoumya Koduri2018-02-0111-29/+280
| | | | | | | | | | | Following APIs glfs_h_lease(), glfs_lease() added, so that gfapi applications can set and get lease which enables more efficient client side caching. Updates: #350 Change-Id: Iede85be9af1d4df969b890d0937ed0afa4ca6596 Signed-off-by: Poornima G <pgurusid@redhat.com> Signed-off-by: Soumya Koduri <skoduri@redhat.com> Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
* glusterd: optimize glusterd import volumes code pathAtin Mukherjee2018-01-311-5/+7
| | | | | | | | | | | | | In case there's a version mismatch detected for one of the volumes glusterd was ending up with updating all the volumes which is a overkill. >mainline patch : https://review.gluster.org/#/c/19358/ Change-Id: I6df792db391ce3a1697cfa9260f7dbc3f59aa62d BUG: 1540554 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> (cherry picked from commit bb34b07fd2ec5e6c3eed4fe0cdf33479dbf5127b)
* core: remove experimental xlators and associated testsKaleb S. KEITHLEY2018-01-3157-6032/+2
| | | | | | | | | | | | experimental xlators removed from 4.0 > Cherry picked from 4231c40973c60999f5ef759db450d25e129ef6ba: > Reviewed-on: https://review.gluster.org/17953 > Reviewed-by: jiffin tony Thottan <jthottan@redhat.com> Signed-off-by: ShyamsundarR <srangana@redhat.com> Change-Id: I34419ce22ca09b7626b8f9382c377a614fd9fed8 BUG: 1539842
* protocol: Remove lock recovery logic from client and serverAnoop C S2018-01-3111-924/+36
| | | | | | | Change-Id: I27f5e1e34fe3eac96c7dd88e90753fb5d3d14550 BUG: 1540438 Signed-off-by: Anoop C S <anoopcs@redhat.com> (cherry picked from commit 3e78ea991b213422fc423ff94994e1eb295569c7)
* build: use libtirpc by default, even if ipv6 is not the defaultKaleb S. KEITHLEY2018-01-303-3/+4
| | | | | | | | | | | | | | Another error snuck in with Change-Id I86f847dfd, or more accurately I think, with Change-Id: Ic47065e9c2... All libs, not just libgfrpc, need to be linked with libtirpc, especially on systems that still have xdr functions in (g)libc where you will get a mixture of calls to libtirpc functions and glibc functions, with catas Change-Id: I97dc39c7844f44c36fe210aa813480c219e1e415 BUG: 1538723 Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
* geo-rep: Remove unused working directory check in gsyncdAravinda VK2018-01-301-37/+1
| | | | | | | | | | | | To append the default config file path, gsyncd calls gluster command to get the workdir path and constructs config file path. This is not required now since the Config management in Geo-replication is changed with patch 18257(Issue #73) BUG: 1539701 Change-Id: Ia7eb39e36ed59ece4de65ea7ec71a0f615e338bb Signed-off-by: Aravinda VK <avishwan@redhat.com> (cherry picked from commit 596143a286079338c30c8abc4b862f8d6ddddb3a)
* dentry fop serializer: added new server side xlator for dentry fop serializationSakshi Bansal2018-01-3011-4/+1532
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problems addressed by this xlator : [1]. To prevent race between parallel mkdir,mkdir and lookup etc. Fops like mkdir/create, lookup, rename, unlink, link that happen on a particular dentry must be serialized to ensure atomicity. Another possible case can be a fresh lookup to find existance of a path whose gfid is not set yet. Further, storage/posix employs a ctime based heuristic 'is_fresh_file' (interval time is less than 1 second of current time) to check fresh-ness of file. With serialization of these two fops (lookup & mkdir), we eliminate the race altogether. [2]. Staleness of dentries This causes exponential increase in traversal time for any inode in the subtree of the directory pointed by stale dentry. Cause : Stale dentry is created because of following two operations: a. dentry creation due to inode_link, done during operations like lookup, mkdir, create, mknod, symlink, create and b. dentry unlinking due to various operations like rmdir, rename, unlink. The reason is __inode_link uses __is_dentry_cyclic, which explores all possible path to avoid cyclic link formation during inode linkage. __is_dentry_cyclic explores stale-dentry(ies) and its all ancestors which is increases traversing time exponentially. Implementation : To acheive this all fops on dentry must take entry locks before they proceed, once they have acquired locks, they perform the fop and then release the lock. Some documentation from email conversation: [1] http://www.gluster.org/pipermail/gluster-devel/2015-December/047314.html [2] http://www.gluster.org/pipermail/gluster-devel/2015-August/046428.html With this patch, the feature is optional, enable it by running: `gluster volume set $volname features.sdfs enable` Also the feature is tested for a month without issues in the experiemental branch for all the regression. Change-Id: I6e80ba3cabfa6facd5dda63bd482b9bf18b6b79b Fixes: #397 Signed-off-by: Sakshi Bansal <sabansal@redhat.com> Signed-off-by: Amar Tumballi <amarts@redhat.com> Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
* doc: Initial draft of 4.0.0 release notesShyamsundarR2018-01-291-0/+328
| | | | | | | | | | | This is an initial draft, that should render right in github. Need inputs from contributors to complete the notes. Change-Id: I0e6a4f88b44ff46685e66f139758a2247954639d BUG: 1539842 Signed-off-by: ShyamsundarR <srangana@redhat.com>
* geo-rep: Detailed JSON output for configAravinda VK2018-01-293-10/+45
| | | | | | | | | | | | | | | | | | JSON output of `config-get` command now returns in the following format { "name": CONFIG_NAME, "value": CONFIG_VALUE, "default_value": DEFAULT_VALUE, # Only if modified == true "configurable": true|false, "modified": true|false } Change-Id: I6193de48cd33655df7ecef5a0d83d7cb147089cf Fixes: #361 Signed-off-by: Aravinda VK <avishwan@redhat.com> (cherry picked from commit 5d3c90d14839fc134580a4ff944d68f3ff3c605a)
* tests: Disable geo-rep testsNigel Babu2018-01-292-0/+2
| | | | | | | | | | | | | | These tests are prone to issues at the moment that need further debugging and fixing. > BUG: 1537602 > Change-Id: Ic59ca620925c6f43948b8a751eaddb571b791969 > Signed-off-by: Nigel Babu <nigelb@redhat.com> (cherry picked from commit 5cbe21b1ddf6eae4782afa33ce841fc4aa195974) Change-Id: I5ccb7751203526082a6f71fa96cff47b56372bf7 BUG: 1539657 Signed-off-by: Nigel Babu <nigelb@redhat.com>
* Update rfc.sh for release-4.0v4.0.0alphaShyamsundarR2018-01-231-1/+1
| | | | Signed-off-by: ShyamsundarR <srangana@redhat.com>
* libglusterfs: Reset errno before callv4.1devNigel Babu2018-01-231-1/+4
| | | | | | | | This was causing Gluster to return a failure when testing on Centos7. BUG: 1536913 Change-Id: Idb90baef05058123a7f69e94a51dd79abd371815 Signed-off-by: Nigel Babu <nigelb@redhat.com>
* features/error-gen: update volume options for GD2Atin Mukherjee2018-01-231-1/+11
| | | | | | | Updates #302 Change-Id: I8d04bb4f46b1e53a8d176a75da2382fdbf0cfc6f Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
* geo-rep: Support for using Volinfo from Conf fileAravinda VK2018-01-234-50/+128
| | | | | | | | | | | | | | | | | | | | | | | | | | | Once Geo-replication is started, it runs Gluster commands to get Volume info from Master and Slave. With this patch, Georep can get Volume info from Conf file if `--use-gconf-volinfo` argument is specified to monitor Create a config(Or add to the config if exists) with following fields [vars] master-bricks=NODEID:HOSTNAME:PATH,.. slave-bricks=NODEID:HOSTNAME,.. master-volume-id= slave-volume-id= master-replica-count= master-disperse_count= Note: Exising Geo-replication is not affected since this is activated only when `--use-gconf-volinfo` is passed while spawning `gsyncd monitor` Tiering support is not yet added since Tiering + Glusterd2 is still under discussion. Fixes: #396 Change-Id: I281baccbad03686c00f6488a8511dd6db0edc57a Signed-off-by: Aravinda VK <avishwan@redhat.com>
* performance/read-ahead: volume option fixes for GD2Csaba Henk2018-01-221-0/+7
| | | | | | | Updates #302 Change-Id: I842ab746502bc4ff3b312ee19f397a6177edc6f7 Signed-off-by: Csaba Henk <csaba@redhat.com>
* protocol/server: Fix "auth-path" in options tableKotresh HR2018-01-221-0/+5
| | | | | | | | | | | Options set will crash the brick with glusterd2. glusterd used to set "auth-path" during volfile generation. With glusterd2, it should come from options table. Updates: #302 Change-Id: Ie41a17779c185b87ace7e0bce0d0ba594b415a75 Signed-off-by: Kotresh HR <khiremat@redhat.com>
* performance/write-behind: volume option fixes for GD2Csaba Henk2018-01-221-0/+18
| | | | | | | Updates #302 Change-Id: I2ade3dc4aef4da619c5b64058872594f0f1e004f Signed-off-by: Csaba Henk <csaba@redhat.com>
* libgfapi: Add new api for supporting mandatory-locksAnoop C S2018-01-2210-36/+694
| | | | | | | | | | | | | | | | The current API for byte-range locks [glfs_posix_lock()] doesn't allow applications to specify whether it is advisory or mandatory type locks. This particular change is to introduce an extended byte-range lock API with an additional argument for including the byte-range lock mode to be one among advisory(default) or mandatory. Patch also includes a gfapi test case which make use of this new api to acquire mandatory locks. Ref: https://github.com/gluster/glusterfs-specs/blob/master/done/GlusterFS%203.8/Mandatory%20Locks.md Change-Id: Ia09042c755d891895d96da857321abc4ce03e20c Updates #393 Signed-off-by: Anoop C S <anoopcs@redhat.com>
* cluster/ec : EC options for GD2Sunil Kumar Acharya2018-01-221-1/+34
| | | | | | | Updates #302 Change-Id: I31b4648f7b1a394fceece5cba8120c579c66edd9 Signed-off-by: Sunil Kumar Acharya <sheggodu@redhat.com>
* geo-rep: Improve geo-rep pre-validation logsKotresh HR2018-01-221-4/+5
| | | | | | | | | | | | | | | | | | | | | | Geo-rep runs gverify.sh which does pre-validation. As part of it, master and slave volume is mounted to verify the size. If for some reason, the mount fails, the error message does not point out the mount log file location. Also both master and slave mount logs are same. Patch does following improvements. 1. Master and slave mount logs are separated and error message points the log file to be looked for. 2. The log location is changed to /var/log/glusterfs/geo-replication instead of /var/log/glusterfs/geo-replication-slaves 3. The log file name is changed to "gverify-mastermnt.log" and "gverify-slavemnt.log" for master and slave mount respectively Fixes: #395 Change-Id: Ia644ec0afebbdaae92e01adf03c635e5f8866a02 Signed-off-by: Kotresh HR <khiremat@redhat.com>
* md-cache: Implement dynamic configuration of xattr list for cachingPoornima G2018-01-226-277/+188
| | | | | | | | | | | | | | | Currently, the list of xattrs that md-cache can cache is hard coded in the md-cache.c file, this necessiates code change and rebuild everytime a new xattr needs to be added to md-cache xattr cache list. With this patch, the user will be able to configure a comma seperated list of xattrs to be cached by md-cache Updates #297 Change-Id: Ie35ed607d17182d53f6bb6e6c6563ac52bc3132e Signed-off-by: Poornima G <pgurusid@redhat.com>
* protocol: make on-wire-change of protocol using new XDR definition.Amar Tumballi2018-01-1919-879/+18796
| | | | | | | | | | | | | | | | | | | | | | With this patchset, some major things are changed in XDR, mainly: * Naming: Instead of gfs3/gfs4 settle for gfx_ for xdr structures * add iattx as a separate structure, and add conversion methods * the *_rsp structure is now changed, and is also reduced in number (ie, no need for different strucutes if it is similar to other response). * use proper XDR methods for sending dict on wire. Also, with the change of xdr structure, there are changes needed outside of xlator protocol layer to handle these properly. Mainly because the abstraction was broken to support 0-copy RDMA with payload for write and read FOP. This made transport layer know about the xdr payload, hence with the change of xdr payload structure, transport layer needed to know about the change. Updates #384 Change-Id: I1448fbe9deab0a1b06cb8351f2f37488cefe461f Signed-off-by: Amar Tumballi <amarts@redhat.com>
* gfapi : added glfs_setfsleaseid() for setting lease idSoumya Koduri2018-01-195-0/+32
| | | | | | | | | | | | A new function glfs_setfsleaseid() added in gfapi. Currently lock owner is saved in the thread context. Similarly the leaseid attribute can be saved using glfs_setfsleaseid(). Updates: #350 Change-Id: I55966cca01d0f2649c32b87bd255568c3ffd1262 Signed-off-by: Poornima G <pgurusid@redhat.com> Signed-off-by: Soumya Koduri <skoduri@redhat.com> Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
* afr: add quorum checks in post-opRavishankar N2018-01-192-1/+30
| | | | | | | | | | afr relies on pending changelog xattrs to identify source and sinks and the setting of these xattrs happen in post-op. So if post-op fails, we need to unwind the write txn with a failure. Change-Id: I0f019ac03890108324ee7672883d774918b20be1 BUG: 1506140 Signed-off-by: Ravishankar N <ravishankar@redhat.com>
* readdir-ahead: Cleanup the xattr request codePoornima G2018-01-191-40/+2
| | | | | | | Updates #297 Change-Id: Ia0c697583751290a455da3cd1894e0c5685d1bd8 Signed-off-by: Poornima G <pgurusid@redhat.com>
* upcall: Allow md-cache to specify invalidations on xattr with wildcardPoornima G2018-01-192-4/+21
| | | | | | | | | | | | | Currently, md-cache sends a list of xattrs, it is inttrested in recieving invalidations for. But, it cannot specify any wildcard in the xattr names Eg: user.* - invalidate on updating any xattr with user. prefix. This patch, enable upcall to honor wildcard in the xattr key names Updates: #297 Change-Id: I98caf0ed72f11ef10770bf2067d4428880e0a03a Signed-off-by: Poornima G <pgurusid@redhat.com>
* geo-rep: Validate availability of gluster binary on slaveKotresh HR2018-01-192-1/+77
| | | | | | | | | | 1. Adds validation to check if gluster binary is available on slave 2. Add a simple geo-rep setup test case to verify whether setup is fine. It's named in such a way that it runs first. BUG: 1532591 Change-Id: Ie777e55ae13db8fa97d4e32464ad82269ee5fd07 Signed-off-by: Kotresh HR <khiremat@redhat.com>
* features/locks: volume option fixes for GD2Pranith Kumar K2018-01-191-0/+18
| | | | | | Updates #302 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Change-Id: I1667fc32b7a31562b289fcab878d94be202407e4
* posix: In getxattr, honor the wildcard '*'Poornima G2018-01-192-23/+43
| | | | | | | | | | | | | | | | | Currently, the posix_xattr_fill performas a sys_getxattr on all the keys requested, there are requirements where the keys could contain a wildcard, in which case sys_getxattr would return ENODATA, eg: if the xattr requested is user.* all the xattrs with prefix user. should be returned, with their values. This patch, changes posix_xattr_fill, to honor wildcard in the keys requested. Updates #297 Change-Id: I3d52da2957ac386fca3c156e26ff4cdf0b2c79a9 Signed-off-by: Poornima G <pgurusid@redhat.com>
* cluster/afr: Adding option to take full file lockkarthik-us2018-01-195-3/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: In replica 3 volumes there is a possibilities of ending up in split brain scenario, when multiple clients writing data on the same file at non overlapping regions in parallel. Scenario: - Initially all the copies are good and all the clients gets the value of data readables as all good. - Client C0 performs write W1 which fails on brick B0 and succeeds on other two bricks. - C1 performs write W2 which fails on B1 and succeeds on other two bricks. - C2 performs write W3 which fails on B2 and succeeds on other two bricks. - All the 3 writes above happen in parallel and fall on different ranges so afr takes granular locks and all the writes are performed in parallel. Since each client had data-readables as good, it does not see file going into split-brain in the in_flight_split_brain check, hence performs the post-op marking the pending xattrs. Now all the bricks are being blamed by each other, ending up in split-brain. Fix: Have an option to take either full lock or range lock on files while doing data transactions, to prevent the possibility of ending up in split brains. With this change, by default the files will take full lock while doing IO. If you want to make use of the old range lock change the value of "cluster.full-lock" to "no". Change-Id: I7893fa33005328ed63daa2f7c35eeed7c5218962 BUG: 1535438 Signed-off-by: karthik-us <ksubrahm@redhat.com>
* distributed-tests: Framework for running tests on a worker clusterkrad2018-01-186-0/+1153
| | | | | | | | | | | | Summary: This framework helps distribute running of unit tests on a cluster of machines. Test Plan: Run tests on fb cluster Reviewers: sshreyas, jdarcy Change-Id: If309f504d9aa959cc8b01c85bff3b5503a890ff1 updates #374 Signed-off-by: krad <krad@fb.com>
* selinux-xlator : validate dict before calling dict_rename_key()Jiffin Tony Thottan2018-01-181-4/+4
| | | | | | Change-Id: I71da3b64e5e8c82e8842e119b2b05da3e2ace550 BUG: 1535772 Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
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