From d33d83b698a79362dd9bb3e59254cc0183b8fad7 Mon Sep 17 00:00:00 2001
From: Tsz-wo Sze <szetszwo@apache.org>
Date: Wed, 11 Dec 2013 13:15:42 +0000
Subject: [PATCH] Create a branch for HDFS-5535 Rolling upgrade improvement.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1550130 13f79535-47bb-0310-9956-ffa450edef68