// healing traversal may be mutating on-disk data when an external
// quit signal is received, this routine cannot quit immediately and
// has to wait until a safe point is reached, such as between scanning
// two objects.
func (h *healSequence) traverseAndHeal(objAPI ObjectLayer) {
	bucketsOnly := false // Heals buckets and objects also.
	h.traverseAndHealDoneCh <- h.healItems(objAPI, bucketsOnly)