func (z *erasureServerPools) NSScanner(ctx context.Context, updates chan<- DataUsageInfo, wantCycle uint32, healScanMode madmin.HealScanMode) error {
	// 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{})

			},
		)
	}
}

func (s *TestSuiteIAM) TestSTSServiceAccountsWithUsername(c *check) {
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()

	bucket := "dillon-bucket"
	err := s.client.MakeBucket(ctx, bucket, minio.MakeBucketOptions{})
	if err != nil {
		c.Fatalf("bucket create error: %v", err)
	}

	// Create policy

		pool := globalBytePoolCap.Load()
		bufA := pool.Get()
		bufB := pool.Get()
		defer pool.Put(bufA)
		defer pool.Put(bufB)
		ra, err := readahead.NewReaderBuffer(data, [][]byte{bufA[:fi.Erasure.BlockSize], bufB[:fi.Erasure.BlockSize]})
		if err == nil {
			toEncode = ra
			defer ra.Close()
		}
		bugLogIf(ctx, err)
	}

	}
}

// Initialized checks if IAM is initialized
func (sys *IAMSys) Initialized() bool {
	if sys == nil {
		return false
	}
	sys.Lock()
	defer sys.Unlock()
	return sys.store != nil
}

// Load - loads all credentials, policies and policy mappings.
func (sys *IAMSys) Load(ctx context.Context, firstTime bool) error {
	loadStartTime := time.Now()

	cache := store.rlock()
	defer store.runlock()

	u, ok := cache.iamUsersMap[user]
	if !ok {
		// Check the sts map
		u, ok = cache.iamSTSAccountsMap[user]
	}
	return u, ok
}

// GetMappedPolicy - fetches mapped policy from memory.
func (store *IAMStoreSys) GetMappedPolicy(name string, isGroup bool) (MappedPolicy, bool) {
	cache := store.rlock()
	defer store.runlock()

	if isGroup {

	atomic.AddInt32(&s.scanning, 1)
	defer atomic.AddInt32(&s.scanning, -1)

	var err error
	stopFn := globalScannerMetrics.log(scannerMetricScanBucketDrive, s.drivePath, cache.Info.Name)
	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)

		t.Run(testCase.name, func(t *testing.T) {
			// Hack cpuid to the CPU doesn't appear to support AVX2.
			// Restore whatever happens.
			if cpuid.CPU.Supports(cpuid.AVX2) {
				cpuid.CPU.Disable(cpuid.AVX2)
				defer cpuid.CPU.Enable(cpuid.AVX2)
			}
			if simdjson.SupportedCPU() {
				t.Fatal("setup error: expected cpu to be unsupported")
			}
			testReq := testCase.requestXML
			if len(testReq) == 0 {

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

	objLayer, fsDirs, err := prepareErasure16(ctx)
	if err != nil {
		t.Fatalf("Initialization of object layer failed for Erasure setup: %s", err)
	}
	defer objLayer.Shutdown(ctx)

	if err = newTestConfig(globalMinioDefaultRegion, objLayer); err != nil {

	vars := mux.Vars(r)
	profiles := strings.Split(vars[peerRESTProfiler], ",")
	if len(profiles) == 0 {
		s.writeErrorResponse(w, errors.New("profiler name is missing"))
		return
	}
	globalProfilerMu.Lock()
	defer globalProfilerMu.Unlock()
	if globalProfiler == nil {
		globalProfiler = make(map[string]minioProfiler, 10)
	}

	// Stop profiler of all types if already running
	for k, v := range globalProfiler {

	if ri == nil {
		return
	}

	ri.mu.Lock()
	defer ri.mu.Unlock()

	ri.Bucket = bucket
	ri.Object = info.Name
	ri.countItem(info.Size, info.DeleteMarker, success)
}

func (ri *batchJobInfo) trackCurrentBucketBatch(bucket string, batch []ObjectInfo) {
	if ri == nil {
		return
	}

	ri.mu.Lock()
	defer ri.mu.Unlock()

	ri.Bucket = bucket
	for i := range batch {