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* gluster: GlusterFS Volume Snapshot FeatureAvra Sengupta2014-04-111-106/+0
| | | | | | | | | | | | | | | | | | | | | | | | | 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>
* glusterd: Volume locks and transaction specific opinfosAvra Sengupta2014-02-101-0/+106
With this patch we are replacing the existing cluster-wide lock taken on glusterds across the cluster, with volume locks which are also taken on glusterds across the cluster, but are volume specific. So with the volume locks we are able to perform more than one gluster operation at the same time, as long as the operations are being performed on different volumes. We maintain a global list of volume-locks (using a dict for a list) where the key is the volume name, and which saves the uuid of the originator glusterd. These locks are held and released per volume transaction. In order to acheive multiple gluster operations occuring at the same time, we also separate opinfos in the op-state-machine, as a part of this patch. To do so, we generate a unique transaction-id (uuid) per gluster transaction. An opinfo is then associated with this transaction id, which is used throughout the transaction. We maintain a run-time global list(using a dict) of transaction-ids, and their respective opinfos to achieve this. Upstream Feature Page: http://www.gluster.org/community/documentation/index.php/Features/glusterd-volume-locks Change-Id: Iaad505a854bac8de8f83beec0357eb6cde3f7ea8 BUG: 1011470 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/5994 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>