@Override
    public FileStatus getFileStatus() {
      return fs;
    }
List filestatuses in the given directory.
In recursive mode all files are returned, otherwise directories are skipped.
@param fs FileSystem
@param path directory to list
@param filter optional filter
@param recursive do recursive listing
@return
@throws IOException
ql/src/java/org/apache/hadoop/hive/ql/io/HdfsUtils.java