Merge HADOOP-10462. DF#getFilesystem is not parsing the command output. Contributed by Akira AJISAKA.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1584573 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10456. Merging change r1584575 from trunk to branch-2.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1584579 13f79535-47bb-0310-9956-ffa450edef68