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(parent: a73b8f8) | patch
librbd: potential deadlock on close_image 3479/head
authorJason Dillaman <dillaman@redhat.com>
Fri, 23 Jan 2015 17:56:56 +0000 (12:56 -0500)
committerJason Dillaman <dillaman@redhat.com>
Fri, 23 Jan 2015 18:00:40 +0000 (13:00 -0500)
commit6f6facb981db47d056d209779ba219f47b99495c
tree4129b6a6278953b30e3b9d1e9a2b95cbd8de83bdtree | snapshot
parenta73b8f816c831b9c2b599f06dd4b9108d73df8d0commit | diff
librbd: potential deadlock on close_image

The owner_lock was incorrectly held when unregistering the image
watcher.  It was possible for the ImageWatcher finisher to be
running code that was then deadlocked waiting to acquire the
owner_lock while the close_image thread was attempting to shutdown
the deadlocked finisher.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
src/librbd/internal.cc diff | blob | history
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