xenserver/win-installer — pull request #66 by benchalmers (2014-06-20 09:58:06+00:00)
Title: XenVBD #40 (Jun 20, 2014 10:01:26 AM)

Force calling BlockRingPoll as DPC may not run.
Cleanup PreparedReqs before closing the ring
Add extra state to frontend transition to allow reset to cleanup

Signed-off-by: Ben Chalmers