Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/31682

Log:
commit c17e867b0d38023b2e942ad61b4e87177c257196
Author: Avishay Traeger <avishay at il.ibm.com>
Date:   Tue Jun 4 21:12:27 2013 +0300

    Expose volume backend information to admins.
    
    This patch exposes a volume's backend name and class to admins. This is
    useful for several scenarios, one of which is an admin interface for
    volume migration (i.e., admin says "migrate this volume to that
    back-end").
    
    blueprint expose-backend-to-admin
    DocImpact
    
    Change-Id: I03ee543227b69e24f70dee74dd1c8d41122b03ee