This reverts commit 4c8db6009291001b685b63f05b59a084972df8d4. Conflicts: hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java
This reverts commit 4c8db6009291001b685b63f05b59a084972df8d4. Conflicts: hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/PBHelper.java