Unhandled write error in lsStore.flush(...)

	if doCommit {

		s.snapMutex.Lock()

		off := int64(minLSSOffset(s.safeOffset(), s.trimOffset))

		if s.safeSnapOffset() > LSSOffset(off) {

			s.log.Trim(off)

		}

		s.log.Commit() // --- return value is not checked

		s.lastCommitTS = time.Now()

		s.snapMutex.Unlock()

	}