// Updates must be closed before we return.
	defer xioutil.SafeClose(updates)

	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	var wg sync.WaitGroup
	var mu sync.Mutex
	var results []dataUsageCache
	var firstErr error

	allBuckets, err := z.ListBuckets(ctx, BucketOptions{})
	if err != nil {

		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 {
			if disk == nil {
				done <- false
				continue
			}
			if !disk.IsOnline() {
				done <- false
				continue

		setObjectLayer(newObjectLayerFn())
		cancel()
		removeRoots(fsDirs)
	}
}

// ExecObjectLayerTestWithDirs - executes object layer tests.
// Creates single node and Erasure ObjectLayer instance and runs test for both the layers.
func ExecObjectLayerTestWithDirs(t TestErrHandler, objTest objTestTypeWithDirs) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	if localMetacacheMgr != nil {

	}
	return nil
}

// delete canceler from the map, cancel job if requested
func (j *BatchJobPool) canceler(jobID string, cancel bool) error {
	if j == nil {
		return errInvalidArgument
	}
	j.jmu.Lock()
	defer j.jmu.Unlock()
	if canceler, ok := j.jobCancelers[jobID]; ok {
		if cancel {
			canceler()
		}
	}
	delete(j.jobCancelers, jobID)
	return nil
}

		}
		ip := "127.0.0.1"
		host, _ := mustSplitHostPort(globalLocalNodeName)
		if host != "" {
			if net.ParseIP(host) != nil {
				ip = host
			} else {
				ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
				defer cancel()

				haddrs, err := globalDNSCache.LookupHost(ctx, host)
				if err == nil {
					ip = haddrs[0]
				}
			}
		}
		ifs, _ := net.Interfaces()

// The function will block until the context is canceled.
// There should only ever be one scanner running per cluster.
func runDataScanner(ctx context.Context, objAPI ObjectLayer) {
	ctx, cancel := globalLeaderLock.GetLock(ctx)
	defer cancel()

	// Load current bloom cycle
	var cycleInfo currentScannerCycle

	buf, _ := readConfig(ctx, objAPI, dataUsageBloomNamePath)
	if len(buf) == 8 {