tree a0f3a9d473fd433b7ffd5a7160ee55ad6d2ffd62
parent 3e1a0699095803e53072699a4a1485af7744601d
author Joe Thornber <ejt@redhat.com> 1393861602 +0000
committer Mike Snitzer <snitzer@redhat.com> 1394051218 -0500

dm thin: fix deadlock in __requeue_bio_list

The spin lock in requeue_io() was held for too long, allowing deadlock.
Don't worry, due to other issues addressed in the following "dm thin:
fix noflush suspend IO queueing" commit, this code was never called.

Fix this by taking the spin lock for a much shorter period of time.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>