tree 77a36c3a69ab97acb59f7a3b95f308612af3c198
parent bbead745d96cfd51aaa332bdeab300862c7a8061
author Ilya Dryomov <idryomov@gmail.com> 1492078658 +0200
committer Ilya Dryomov <idryomov@gmail.com> 1493882363 +0200

rbd: store lock cookie

In preparation for supporting set_cookie method (or rather set_cookie
fallback for older OSDs), store the lock cookie on lock and use it on
unlock instead of recalculating from rbd_dev->watch_cookie.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>