if contextCanceled(ctx) {
		xioutil.SafeClose(updates)
		return dataUsageCache{}, ctx.Err()
	}

	if err := p.checkDiskStale(); err != nil {
		xioutil.SafeClose(updates)
		return dataUsageCache{}, err
	}

	weSleep := func() bool {
		return scannerIdleMode.Load() == 0
	}

// has to wait until a safe point is reached, such as between scanning
// two objects.
func (h *healSequence) traverseAndHeal(objAPI ObjectLayer) {
	h.traverseAndHealDoneCh <- h.healItems(objAPI)
	xioutil.SafeClose(h.traverseAndHealDoneCh)
}

// healMinioSysMeta - heals all files under a given meta prefix, returns a function
// which in-turn heals the respective meta directory path and any files in int.

	disks := er.getDisks()

	ropts := ReadOptions{
		ReadData:         readData,
		InclFreeVersions: opts.InclFreeVersions,
		Healing:          false,
	}

	mrfCheck := make(chan FileInfo)
	defer xioutil.SafeClose(mrfCheck)

	var rw sync.Mutex

	// Ask for all disks first;
	go func() {
		ctx, cancel := context.WithCancel(ctx)
		defer cancel()

		wg := sync.WaitGroup{}
		for i, disk := range disks {

	d.mu.Lock()
	defer d.mu.Unlock()
	if math.Abs(d.factor-factor) < 1e-10 && d.maxSleep == maxWait {
		return nil
	}
	// Update values and cycle waiting.
	xioutil.SafeClose(d.cycle)
	d.factor = factor
	d.maxSleep = maxWait
	d.cycle = make(chan struct{})
	return nil
}

const (
	// ILMExpiry - audit trail for ILM expiry
	ILMExpiry = "ilm:expiry"

	defer func() {
		res := make(map[string]string)
		if err != nil {
			res["err"] = err.Error()
		}
		stopFn(res)
	}()

	// Updates must be closed before we return.
	defer xioutil.SafeClose(updates)
	var lc *lifecycle.Lifecycle

	// Check if the current bucket has a configured lifecycle policy
	if globalLifecycleSys != nil {
		lc, err = globalLifecycleSys.Get(cache.Info.Name)