GPFS: Force delete of consistency group fails when the fileset doesn't exist in the backend

[Gaurang Tapase]

For a force delete operation for a consistency group, if the backed object (fileset) doesn't exist, the operation fails for mmunlinkfileset command and the consistency group is not deleted.
Driver should check for the existence of the fileset before unlinking and deleteing the fileset in the delete operation.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/468760

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/468760
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=49932bbd34fb56fb187eaac525fcc8a1f46203d2
Submitter: Jenkins
Branch: master

commit 49932bbd34fb56fb187eaac525fcc8a1f46203d2
Author: Gaurang Tapase <email address hidden>
Date: Mon May 29 00:11:32 2017 -0400

    GPFS: Fix forceful delete for consistency group

    This patch fix the force delete for a consistency group
    when the backend object (fileset) doesn't exist.

    Change-Id: I81c4fc8fd913be11d88dcbcdd38dde88144af8bd
    Closes-bug: #1694189

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/ocata
Review: https://review.openstack.org/469797

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/469797
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=960192c37ff4124ee322a47f567c36d1a80e0b52
Submitter: Jenkins
Branch: stable/ocata

commit 960192c37ff4124ee322a47f567c36d1a80e0b52
Author: Gaurang Tapase <email address hidden>
Date: Mon May 29 00:11:32 2017 -0400

    GPFS: Fix forceful delete for consistency group

    This patch fix the force delete for a consistency group
    when the backend object (fileset) doesn't exist.

    Change-Id: I81c4fc8fd913be11d88dcbcdd38dde88144af8bd
    Closes-bug: #1694189
    (cherry picked from commit 49932bbd34fb56fb187eaac525fcc8a1f46203d2)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 11.0.0.0b2 development milestone.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 10.0.3 release.