the accessTime of FileStatus returned by SFTPFileSystem's getFileStatus method is always 0

 private FileStatus getFileStatus(ChannelSftp channel, LsEntry sftpFile,
      Path parentPath) throws IOException {

    SftpATTRS attr = sftpFile.getAttrs();

   ……

    long modTime = attr.getMTime() * 1000; // convert to milliseconds(This is wrong too, according to HADOOP-14431

    long accessTime = 0;

  ……

  }