}
	t.updateWorkers(n)
}

func (t *transitionState) updateWorkers(n int) {
	if n == 0 {
		n = 100
	}

	for t.numWorkers < n {
		go t.worker(t.objAPI)
		t.numWorkers++
	}

	for t.numWorkers > n {
		go func() { t.killCh <- struct{}{} }()
		t.numWorkers--
	}
}

var errInvalidStorageClass = errors.New("invalid storage class")