err = nil
	objInfo = ObjectInfo{}

	object = encodeDirObject(object)

	if z.SinglePool() {
		return z.serverPools[0].GetObjectInfo(ctx, bucket, object, opts)
	}

	if !opts.NoLock {
		opts.NoLock = true // avoid taking locks at lower levels for multi-pool setups.

		// Lock the object before reading.
		lk := z.NewNSLock(bucket, object)
		lkctx, err := lk.GetRLock(ctx, globalOperationTimeout)

	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()

	}

	data := r.Reader

	if opts.CheckPrecondFn != nil {
		if !opts.NoLock {
			ns := er.NewNSLock(bucket, object)
			lkctx, err := ns.GetLock(ctx, globalOperationTimeout)
			if err != nil {
				return ObjectInfo{}, err
			}
			ctx = lkctx.Context()
			defer ns.Unlock(lkctx)
			opts.NoLock = true
		}

		obj, err := er.getObjectInfo(ctx, bucket, object, opts)

	case batchReplVersionV1:
	default:
		return fmt.Errorf("unexpected batch %s meta version: %d", ri.JobType, ri.Version)
	}

	return nil
}

func (ri *batchJobInfo) clone() *batchJobInfo {
	ri.mu.RLock()
	defer ri.mu.RUnlock()

	return &batchJobInfo{
		Version:          ri.Version,
		JobID:            ri.JobID,
		JobType:          ri.JobType,
		RetryAttempts:    ri.RetryAttempts,

		return nil, errCorruptedBackend
	}
	return fi, nil
}

// GetDiskID - returns the cached disk uuid
func (s *xlStorage) GetDiskID() (string, error) {
	s.RLock()
	diskID := s.diskID
	fileInfo := s.formatFileInfo
	lastCheck := s.formatLastCheck

	// check if we have a valid disk ID that is less than 1 seconds old.

func (sys *IAMSys) Init(ctx context.Context, objAPI ObjectLayer, etcdClient *etcd.Client, iamRefreshInterval time.Duration) {
	bootstrapTraceMsg("IAM initialization started")
	globalServerConfigMu.RLock()
	s := globalServerConfig
	globalServerConfigMu.RUnlock()

	openidConfig, err := openid.LookupConfig(s,
		NewHTTPTransport(), xhttp.DrainBody, globalSite.Region)
	if err != nil {

		s.writeErrorResponse(w, err)
		return
	}
}

var errUnsupportedSignal = fmt.Errorf("unsupported signal")

func waitingDrivesNode() map[string]madmin.DiskMetrics {
	globalLocalDrivesMu.RLock()
	localDrives := cloneDrives(globalLocalDrives)
	globalLocalDrivesMu.RUnlock()

	errs := make([]error, len(localDrives))
	infos := make([]DiskInfo, len(localDrives))
	for i, drive := range localDrives {