code: @SuppressWarnings("deprecation")
    public static byte[][] readPathComponents(DataInputStream in)
        throws IOException {
      UTF8 ustr = TL_DATA.get().U_STR;
      
      ustr.readFields(in);
      return DFSUtil.bytes2byteArray(ustr.getBytes(),
        ustr.getLength(), (byte) Path.SEPARATOR_CHAR);
    }
docs: Reading the path from the image and converting it to byte[][] directly
  this saves us an array copy and conversions to and from String
  @param in
  @return the array each element of which is a byte[] representation
  of a path component
  @throws IOException