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* protocol: Fix 4.0 client, parsing older iatt in dictShyamsundarR2018-03-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | In a mixed mode cluster involving 4.0 and older 3.x bricks, if clients are newer, then the iatt encoded in the dictionary can be of the older iatt format, which a newer client will map incorrectly to the newer structure. This causes failures in FOPs that depend on this iatt for some functionality (seen in mkdir operations failing as EIO, when DHT hits its internal setxattr call). The fix provided is to convert the iatt in the dict, based on which RPC version is used to communicate with the server. IOW, this is the reverse of change in commit "b966c7790e" Tested using a mixed mode cluster (i.e bricks in 3.12 and 4.0 versions) and a mixed set of clients, 3.12 and 4.0 clients. There is no regression test provided, as this needs a mixed mode cluster to test and validate. Change-Id: I454e54651ca836b9f7c28f45f51d5956106aefa9 BUG: 1554053 Signed-off-by: ShyamsundarR <srangana@redhat.com>
* xlators/features/namespace: Add namespace xlator and link into brick graphVarsha Rao2018-02-211-0/+1
| | | | | | | | | | | | | | | | | | | | | The following release-3.8-fb branch patch is upstreamed: > features/namespace: Add namespace xlator and link into brick graph > Commit ID: dbd30776f26e > https://review.gluster.org/#/c/18041/ > By Michael Goulet <mgoulet@fb.com> Changes in this patch: Removes extra config.h and namespace.h file in namespace.c Adds default_getspec_cbk to libglusterfs.sym Rename dict_for_each to dict_foreach_inline Remove fd.h header file stack.h Add test case for truncate, open and symlink This patch is required to forward port io-threads namespace patch. Updates: #401 Change-Id: Ib88c95b89eecee9b8957df8a4c8712c899c761d1 Signed-off-by: Varsha Rao <varao@redhat.com>
* posix/afr: handle backward compatibility for rchecksum fopRavishankar N2018-02-191-0/+1
| | | | | | | | | Added a volume option 'fips-mode-rchecksum' tied to op version 4. If not set, rchecksum fop will use MD5 instead of SHA256. updates: #230 Change-Id: Id8ea1303777e6450852c0bc25503cda341a6aec2 Signed-off-by: Ravishankar N <ravishankar@redhat.com>
* Fetch backup volfile servers from glusterd2Prashanth Pai2018-02-161-0/+2
| | | | | | | | | | | | | | | | Clients will request for a list of volfile servers from glusterd2 by setting a (optional) flag in GETSPEC RPC call. glusterd2 will check for the presence of this flag and accordingly return a list of glusterd2 servers in GETSPEC RPC reply. Currently, this list of servers returned only contains servers which have bricks belonging to the volume. See: https://github.com/gluster/glusterd2/issues/382 https://github.com/gluster/glusterfs/issues/351 Updates #351 Change-Id: I0eee3d0bf25a87627e562380ef73063926a16b81 Signed-off-by: Prashanth Pai <ppai@redhat.com>
* libglusterfs/syncop: Add syncop_entrylkRaghavendra G2018-02-131-0/+1
| | | | | | Change-Id: Idd86b9f0fa144c2316ab6276e2def28b696ae18a BUG: 1543279 Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
* io-threads: Implement put fopPoornima G2018-02-121-0/+4
| | | | | | Updates #353 Change-Id: I8a30b53a52618c6a6c740d2c67b19e5322ce4ddb Signed-off-by: Poornima G <pgurusid@redhat.com>
* gfapi : New APIs have been added to use lease feature in glusterSoumya Koduri2018-01-261-0/+1
| | | | | | | | | | | 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>
* md-cache: Implement dynamic configuration of xattr list for cachingPoornima G2018-01-221-0/+1
| | | | | | | | | | | | | | | 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>
* gfapi : added glfs_setfsleaseid() for setting lease idSoumya Koduri2018-01-191-0/+1
| | | | | | | | | | | | 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>
* dict: add another type to handle backward compatibilityAmar Tumballi2018-01-171-0/+1
| | | | | | | | | | | | | | | | This new type helps to avoid excessive logs. It should be set only in case of * volume graph building (graph.y) * dict unserialize (happens once a dictionary is received on wire in old protocol) All other dict set and get should have proper check and warning logs if there is a mismatch. updates #220 Change-Id: I1cccb304a877aa80c07aaac95f10f5005e35b9c5 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* dict: add more types for valuesAmar Tumballi2018-01-051-0/+4
| | | | | | | | | | Added 2 more types which are present in gluster codebase, mainly IATT and UUID. Updates #203 Change-Id: Ib6d6d6aefb88c3494fbf93dcbe08d9979484968f Signed-off-by: Amar Tumballi <amarts@redhat.com>
* libglusterfs: export minimum necessary symbolsKaleb S. KEITHLEY2018-01-021-0/+1091
minimize risk of symbol collisions in global namespace. see https://review.gluster.org/#/c/5697/ which Amar has resurrected. This is a strawman proposal to use an export-list to only export the necessary symbols from libglusterfs. I suppose some of this could be fixed by smarter use of static in the function definitions. It's a bit scary to see some of the names we expose. And then there are the names we use in the reserved namespace. One step short of going all the way to symbol versions fixes gluster/glusterfs#382 Change-Id: Ifb848dfc655ef735dd27c73b7729e1188eb817f1 Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
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