Remove Cinder API races
Remove Cinder API races

This spec outlines issues needed to achieve Cinder A/A HA and proposes
changes to c-api to remove race conditions when writing to the same
resource simultaneously in 2 operations.

Implements: blueprint cinder-volume-active-active-support
Change-Id: If6142d7ccddba25d4fdef4fe1e689358140fa2d9

openstack/cinder-specs