s.Lock()
	defer s.Unlock()

	m := s.statusMap[opts.bucket]
	st := m.TargetsMap[opts.arn]
	st.LastUpdate = UTCNow()
	st.ResyncStatus = status
	m.TargetsMap[opts.arn] = st
	m.LastUpdate = UTCNow()
	s.statusMap[opts.bucket] = m

	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
	defer cancel()

func (v VersionPurgeStatusType) Pending() bool {
	return v == Pending || v == Failed
}

type replicationResyncer struct {
	// map of bucket to their resync status
	statusMap      map[string]BucketReplicationResyncStatus
	workerSize     int
	resyncCancelCh chan struct{}
	workerCh       chan struct{}
	sync.RWMutex
}

const (
	replicationDir      = ".replication"