@Override
  public BlockLocation[] getFileBlockLocations(FileStatus file, long start,
    long len) throws IOException {
    return super.getFileBlockLocations(swizzleFileStatus(file, true),
                                       start, len);
  }
Create a proxy file system for fs.

@param fs FileSystem to create proxy for
@param myUri URI to use as proxy. Only the scheme and authority from
             this are used right now
shims/common/src/main/java/org/apache/hadoop/fs/ProxyFileSystem.java