func (s *Store) commit(bt *engine.Batch, fw *Forward) error { if bt.Len() == 0 { return nil } s.travelPreCommitHandlers(fw) if err := s.db.Commit(bt); err != nil { log.Warningf("store commit failed - %s", err) return err } for i := s.itlist.Len(); i != 0; i-- { v := s.itlist.Remove(s.itlist.Front()).(*storeIterator) v.Close() } s.serial++ s.travelPostCommitHandlers(fw) return nil }