ceph/ceph — pull request #2219 by somnathr (2014-08-07 01:24:51+00:00)
Title: TrackedOp: Removed redundant lock in OpTracker::_mark_event()

ops_in_flight_lock seems redundant in OpTracker::_mark_event()
and this lock is highly contended for. Removing the same
is giving a significant performance boost.

Signed-off-by: Pavan Rallabhandi