tree a4bf247d0bf7cc3c8df464e2cae3004c86ee1220
parent 28b0e1cd0e6de3ac4728b3f5d45237d054d2f4a7
author Marcelo Tosatti <mtosatti@redhat.com> 1296051154 -0200
committer Kevin Wolf <kwolf@redhat.com> 1297079729 +0100

Add flag to indicate external users to block device

Certain operations such as drive_del or resize cannot be performed
while external users (eg. block migration) reference the block device.

Add a flag to indicate that.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit db593f2565dc12442d6bac9e8eaefa027dfcada9)