ceph/ceph — pull request #3181 by dillaman (2014-12-15 16:35:13+00:00)
Title: librbd: complete all pending aio ops prior to closing image

It was possible for an image to be closed while aio operations
were still outstanding. Now all aio operations are tracked and
the completed before the image is closed.

Fixes: #10299
Backport: giant, firefly, dumpling
Signed-off-by: Jason Dillaman