code: private void processLocalNameINodes(DataInputStream in, ImageVisitor v,
        long numInodes, boolean skipBlocks) throws IOException {
      // process root
      processINode(in, v, skipBlocks, "");
      numInodes--;
      while (numInodes > 0) {
        numInodes -= processDirectory(in, v, skipBlocks);
      }
    }
docs: Process image with full path name
  
  @param in image stream
  @param v visitor
  @param numInodes number of indoes to read
  @param skipBlocks skip blocks or not
  @throws IOException if there is any error occurs