Signed-off-by: Kefu Chai <kchai@redhat.com>
mds: add perf counter for finisher of MDSRank
osd: make the ClassHandler::mutex private
+If the change only touches the files under ``doc`` directory, the title
+should start with "doc". For instance, a commit fixing a typo in
+``doc/mgr/dashboard.rst`` could have a title like::
+
+ doc/mgr/dashboard: fix a typo
+
More positive examples can be obtained from the git history of the ``master``
branch::