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* gluster: GlusterFS Volume Snapshot FeatureAvra Sengupta2014-04-111-8/+25
| | | | | | | | | | | | | | | | | | | | | | | | | This is the initial patch for the Snapshot feature. Current patch includes following features: * Snapshot create * Snapshot delete * Snapshot restore * Snapshot list * Snapshot info * Snapshot status * Snapshot config Change-Id: I2f46920c0d61c515f6a60e0f8b46fff886d9f6a9 BUG: 1061685 Signed-off-by: shishir gowda <sgowda@redhat.com> Signed-off-by: Sachin Pandit <spandit@redhat.com> Signed-off-by: Vijaikumar M <vmallika@redhat.com> Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com> Signed-off-by: Rajesh Joseph <rjoseph@redhat.com> Signed-off-by: Joseph Fernandes <josferna@redhat.com> Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/7128 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* libglusterfs: Allow all valid file handle values to be closed.Christopher R. Hertel2014-02-051-3/+2
| | | | | | | | | | | | | | | | | Zero (0) is a valid file handle. The code, as written, interprets return values of open(2) that are less than or equal to zero to indicate an error. Only -1 indicates an error. BUG: 789278 CID: 1124756 Change-Id: Ie77c25f1f557d5d5adcec464b49dc7df2e3dc7e5 Signed-off-by: Christopher R. Hertel <crh@redhat.com> Reviewed-on: http://review.gluster.org/6884 Reviewed-by: Lalatendu Mohanty <lmohanty@redhat.com> Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* Glusterd : glusterd process generates core due to NULL store handleAtin Mukherjee2014-01-031-8/+8
| | | | | | | | | | | | | | | | | | | | | | | Problem : glusterd crashed as backtrace revealed that store handle was set to NULL. Solution : In glusterd_store_global_info() function out block the handle is dereferenced with out any NULL check which caused this segmentation fault. A NULL check is introduced to avoid this. While testing this fix, another issue was noticed where GF_ASSERT macro again does not gurantee the NULL dereference check and hence this macro call has been replaced by GF_VALIDATE_OR_GOTO macro call in places where there is a danger of macro getting crashed due to NULL dereference check. Change-Id: Ic301aa45ce4bbdc2da751d2386439df7bb24c016 BUG: 1040844 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: http://review.gluster.org/6619 Reviewed-by: Niels de Vos <ndevos@redhat.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* glusterd: Move certain logs into 'DEBUG' levelHarshavardhana2013-08-181-2/+3
| | | | | | | | | | | | Confusing "Error" messages in logs can cause user panic and false positives - avoid them as necessary in future. Change-Id: I906c64eea879b19a8db099c89d1d7f874e5530db BUG: 995784 Signed-off-by: Harshavardhana <harsha@harshavardhana.net> Reviewed-on: http://review.gluster.org/5555 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* store: Add (un)locking functionalityNiels de Vos2013-08-021-4/+63
| | | | | | | | | | | | | | | | | | | | | Some configuration/cache files (like the NFS rmtab) can be stored on a GlusterFS volume and be used by multiple storage servers. This requires suitable locking for the gf_store_handle_t structure. Introduce gf_store_lock() and gf_store_unlock() for this purpose. The gf_store_locked_local() function can be used to check if the gf_store_handle_t has been locked by the current process. This change also includes an unrelated correction where a FILE* was getting leaked. Krishnan Parthasarathi identified this while reviewing the new locking functionality. Change-Id: I431b7510801841d4bad64480b4bb99d87e2ad347 BUG: 904065 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: http://review.gluster.org/4677 Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* store: Fix resource leaks in gf_store_iter_* functionsKrishnan Parthasarathi2013-07-021-63/+55
| | | | | | | | | | | | Also, removed (redundant) member fd from gf_store_iter_t Change-Id: I40f0469997f77fa2f578a5495ca4ce285f1a59f2 BUG: 904065 Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com> Reviewed-on: http://review.gluster.org/5243 Reviewed-by: Niels de Vos <ndevos@redhat.com> Tested-by: Niels de Vos <ndevos@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
* store: move glusterd_store functions from mgmt/glusterd to libglusterfsNiels de Vos2013-06-201-0/+640
Making the glusterd_store_* functions re-usable will help with future changes that need to read/write lists of items. BUG: 904065 Change-Id: I99fb8eced76d12d5a254567eccff9790b43d8da3 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: http://review.gluster.org/4676 Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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