public FSDataInputStream open(Path f, ReadOptions options) throws IOException {
    return open(f, getDefaultBufferSize(), options);
  }
public FSDataInputStream open ( Path f , ReadOptions options ) throws IOException { return open ( f , getDefaultBufferSize ( ) , options ) ; }
Opens an FSDataInputStream at the indicated Path.

@param f
the file to open
@param options
the read options for this file