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(parent: 7890256) | patch
librbd: ensure ImageWatcher notifications are idempotent 3695/head
authorJason Dillaman <dillaman@redhat.com>
Fri, 6 Feb 2015 02:14:42 +0000 (21:14 -0500)
committerJason Dillaman <dillaman@redhat.com>
Fri, 6 Feb 2015 02:25:43 +0000 (21:25 -0500)
commit9f2f306f0802d30670cc31f9635937e6ead271ce
treee96afe302920b4e530db8a63ca29527f7667c636tree | snapshot
parent7890256772394ceff6837056b327780fbdd87cd8commit | diff
librbd: ensure ImageWatcher notifications are idempotent

Ensure that ImageWatcher can support receiving duplicate notifications
from librados.  Resize and flatten now pass a fixed request id and
the lock owner matches those ids with in-progress requests. Also
protect against loopback notifications that might result in incorrect
behavior across exclusive lock states.

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