HDFS-5944. LeaseManager:findLeaseWithPrefixPath can't handle path like /a/b/ and cause SecondaryNameNode failed do checkpoint. Contributed by Yunjiong Zhao

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570366 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5982. Need to update snapshot manager when applying editlog for deleting a snapshottable directory. Contributed by Jing Zhao.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570395 13f79535-47bb-0310-9956-ffa450edef68
YARN-1398. Fixed a deadlock in ResourceManager between users requesting queue-acls and completing containers. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570415 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5988. Bad fsimage always generated after upgrade. (wang)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1570429 13f79535-47bb-0310-9956-ffa450edef68