ceph/ceph — pull request #2040 by idryomov (2014-06-30 09:14:34+00:00)
Title: krbd: rework the unmap retry loop

The retry loop in the unmap path turned out to be insufficient for
doing long fsx -K runs. Replace it with a single retry and then call
out to 'udevadm settle' if the retry doesn't help.

Signed-off-by: Ilya Dryomov