ZFSSA iSCSI driver should support extra specs

[Juan Zuluaga]

Adding the ability to specify extra specs for volume creation/filtering, it would make ZFSSA iSCSI driver more flexible.

[Juan Zuluaga (juan-c-zuluaga)]

This would be an enhancement for kilo release.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/134258

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/134258
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=d86779a09881bb0548534120ff0f84b7ffa22050
Submitter: Jenkins
Branch: master

commit d86779a09881bb0548534120ff0f84b7ffa22050
Author: Juan Zuluaga <email address hidden>
Date: Thu Nov 13 10:46:37 2014 -0500

    ZFSSA iSCSI driver should support extra specs

    Support for extra specs at volume creation time,
    would allow more flexibility to create custom volumes.
    The following scoped keys are supported:
    -zfssa:volblocksize
    -zfssa:sparse
    -zfssa:compression
    -zfssa:logbias

    Closes-Bug: #1379403
    DocImpact

    Change-Id: I8768d07f19147dc2544bebc0dbf3392313838e8f