librbd: fix handling of proxied maintenance operations during shut down #8565
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added 4 commits
April 12, 2016 16:23
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
Fixes: http://tracker.ceph.com/issues/15456 Signed-off-by: Jason Dillaman <dillaman@redhat.com>
Certain IO and maintenance ops code paths have an expectation that the exclusive lock pointer will be valid while in-flight. Let the exclusive lock state machine clean up the pointer after it has flushed all IO and canceled all ops. Fixes: http://tracker.ceph.com/issues/15471 Signed-off-by: Jason Dillaman <dillaman@redhat.com>
Ops might have in-flight IO -- blocking IO after canceling the ops will result in the in-flight IO being flushed. Shutdown also requires an intermediate state where is still acts like it downs the lock until after all ops are canceled and all IO is flushed. Signed-off-by: Jason Dillaman <dillaman@redhat.com>
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