Updated openstack/openstack
Project: openstack/nova  da8a75a26eab4c0d2ffebb50f65dd7466a681e73

Reduce the scope of RT work while holding the big lock

This makes the RT.update_available_resource() method do what it
can in the way of prep work before grabbing the lock to update
the database stats.

Change-Id: I1132e2ab99427688529566c1a1fffb33eab07f3f
Related-Bug: #1371677