code: private void updateCountNoQuotaCheck(INode[] inodes, int startPos, int endPos,
                             long nsDelta, long dsDelta) {
      try {
        updateCount(inodes, startPos, endPos, nsDelta, dsDelta, false);
      } catch (QuotaExceededException e) {
        NameNode.LOG.warn("FSDirectory.updateCountNoQuotaCheck - unexpected ", e);
      }
    }
docs: Update quota of each inode in the inodes array from the position of startPos to
  the position of endPos. But it won't throw out the QuotaExceededException.