HADOOP-11337. KeyAuthorizationKeyProvider access checks need to be done atomically. Contributed by Dian Fu.

(cherry picked from commit 9fa29902575ac3774bf3728e7bcde7f3eefb1d4c)
HDFS-7450. Consolidate the implementation of GetFileInfo(), GetListings() and GetContentSummary() into a single class. Contributed by Haohui Mai.
HDFS-7438. Consolidate the implementation of rename() into a single class. Contributed by Haohui Mai.
CHANGES.txt: add HADOOP-11257

(cherry picked from commit c1f2bb2d31d40bda5bb2c5bdf31e4f6e433d1e77)
HADOOP-11341. KMS support for whitelist key ACLs. Contributed by Arun Suresh.

(cherry picked from commit 31b4d2daa14a7f6e8ee73fd3160e126d8db62ffb)
HBASE-11301 [optionally] update jmx cache to drop old metrics (Maysam Yabandeh via stack)

(cherry picked from commit 74f4d8590de85eaa92c711010bbc0ff0e33ee2e8)
Revert "HBASE-11301 [optionally] update jmx cache to drop old metrics (Maysam Yabandeh via stack)"

This reverts commit fd6a801ddb2d2db83f98e7aab183a6e07ce4890c.

Refers to an HBASE rather than HADOOP issue.
HADOOP-11301. [optionally] update jmx cache to drop old metrics  (Maysam Yabandeh via stack)

(cherry picked from commit b36f29298247f6c5db9f6eff7c2f5177a0fe3de5)