HADOOP-4225. Merge -r 703044:703045 from trunk to branch 0.19

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.19@703048 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -468,6 +468,9 @@ Release 0.19.0 - Unreleased
     HADOOP-3638. Caches the iFile index files in memory to reduce seeks
     (Jothi Padmanabhan via ddas)
 
+    HADOOP-4225. FSEditLog.logOpenFile() should persist accessTime 
+    rather than modificationTime. (shv)
+
   BUG FIXES
 
     HADOOP-3563.  Refactor the distributed upgrade code so that it is 

src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java

@@ -970,7 +970,7 @@ public class FSEditLog {
       new UTF8(path), 
       FSEditLog.toLogReplication(newNode.getReplication()),
       FSEditLog.toLogLong(newNode.getModificationTime()),
-      FSEditLog.toLogLong(newNode.getModificationTime()),
+      FSEditLog.toLogLong(newNode.getAccessTime()),
       FSEditLog.toLogLong(newNode.getPreferredBlockSize())};
     logEdit(OP_ADD,
             new ArrayWritable(UTF8.class, nameReplicationPair),