Vinayakumar B
9f256d1d71
HDFS-9426. Rollingupgrade finalization is not backward compatible (Contributed by Kihwal Lee)
(cherry picked from commit c62d42cd8bb09a5ffc0c5eefa2d87913e71b9e7e)
Conflicts:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolClientSideTranslatorPB.java
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/DatanodeProtocolServerSideTranslatorPB.java
hadoop-hdfs-project/hadoop-hdfs/src/main/proto/DatanodeProtocol.proto