// volume, path and operation ID.
func (n *nsLockMap) NewNSLock(lockers func() ([]dsync.NetLocker, string), volume string, paths ...string) RWLocker {
	sort.Strings(paths)
	opsID := mustGetUUID()
	if n.isDistErasure {
		drwmutex := dsync.NewDRWMutex(&dsync.Dsync{
			GetLockers: lockers,
			Timeouts:   dsync.DefaultTimeouts,
		}, pathsJoinPrefix(volume, paths...)...)

		}
	}
	return ""
}

// generate ARN that is unique to this target type
func generateARN(t *madmin.BucketTarget, deplID string) string {
	uuid := deplID
	if uuid == "" {
		uuid = mustGetUUID()
	}
	arn := madmin.ARN{
		Type:   t.Type,
		ID:     uuid,
		Region: t.Region,
		Bucket: t.TargetBucket,
	}
	return arn.String()
}

	var totalBytesRead uint64

	objCountPerThread := make([]uint64, opts.concurrency)

	uploadsCtx, uploadsCancel := context.WithTimeout(ctx, opts.duration)
	defer uploadsCancel()

	objNamePrefix := pathJoin(speedTest, mustGetUUID())

	userMetadata := make(map[string]string)
	userMetadata[globalObjectPerfUserMetadata] = "true" // Bypass S3 API freeze
	popts := minio.PutObjectOptions{
		UserMetadata:         userMetadata,

			nfi.Data = nil
			nfi.Erasure.Index = 0
			nfi.Erasure.Checksums = nil
		}
		return nfi
	}

	// We write at temporary location and then rename to final location.
	tmpID := mustGetUUID()
	migrateDataDir := mustGetUUID()

	// Reorder so that we have data disks first and parity disks next.
	if !latestMeta.Deleted && len(latestMeta.Erasure.Distribution) != len(availableDisks) {

		// healing.
		if errors.Is(err, errFileNotFound) {
			return nil
		}
		healingLogIf(ctx, fmt.Errorf("Unable to load healing tracker on '%s': %w, re-initializing..", disk, err))
		tracker = initHealingTracker(disk, mustGetUUID())
	}

	healingLogEvent(ctx, "Healing drive '%s' - 'mc admin heal alias/ --verbose' to check the current status.", endpoint)

	buckets, _ := z.ListBuckets(ctx, BucketOptions{})

			if r < n-1 && path[r] == '/' {
				r++
			}
		}
	}

	// Turn empty string into "."
	if w == 0 {
		return true
	}

	return false
}

// mustGetUUID - get a random UUID.
func mustGetUUID() string {
	u, err := uuid.NewRandom()
	if err != nil {
		logger.CriticalIf(GlobalContext, err)
	}

	return u.String()
}

	if fsType == "XFS" {
		return nil
	}

	// For all other FS pay the price of not using our recommended filesystem.

	// Check if backend is writable and supports O_DIRECT
	uuid := mustGetUUID()
	filePath := pathJoin(s.drivePath, minioMetaTmpDeletedBucket, ".writable-check-"+uuid+".tmp")

	// Create top level directories if they don't exist.
	// with mode 0o777 mkdir honors system umask.

	reqInfo := &logger.ReqInfo{RemoteHost: clientAddr, API: "Heal", BucketName: bucket}
	reqInfo.AppendTags("prefix", objPrefix)
	ctx, cancel := context.WithCancel(logger.SetReqInfo(ctx, reqInfo))

	clientToken := mustGetUUID()

	return &healSequence{
		bucket:         bucket,
		object:         objPrefix,
		reportProgress: true,
		startTime:      UTCNow(),
		clientToken:    clientToken,
		clientAddress:  clientAddr,

}

// UTCNow - returns current UTC time.
func UTCNow() time.Time {
	return time.Now().UTC()
}

// GenETag - generate UUID based ETag
func GenETag() string {
	return ToS3ETag(getMD5Hash([]byte(mustGetUUID())))
}

// ToS3ETag - return checksum to ETag
func ToS3ETag(etag string) string {
	etag = canonicalizeETag(etag)

	if !strings.HasSuffix(etag, "-1") {

		if skipIfSuccessBefore <= 0 {
			skipIfSuccessBefore = globalDriveConfig.GetMaxTimeout()
		}
	}

	t := time.NewTicker(checkEvery)
	defer t.Stop()
	fn := mustGetUUID()

	rng := rand.New(rand.NewSource(time.Now().UnixNano()))

	monitor := func() bool {
		if contextCanceled(ctx) {
			return false
		}

		if p.health.status.Load() != diskHealthOK {