func (er erasureObjects) cleanupStaleUploadsOnDisk(ctx context.Context, disk StorageAPI, expiry time.Duration) {
	drivePath := disk.Endpoint().Path

	readDirFn(pathJoin(drivePath, minioMetaMultipartBucket), func(shaDir string, typ os.FileMode) error {
		readDirFn(pathJoin(drivePath, minioMetaMultipartBucket, shaDir), func(uploadIDDir string, typ os.FileMode) error {
			uploadIDPath := pathJoin(shaDir, uploadIDDir)

)

func renameAllBucketMetacache(epPath string) error {
	// Rename all previous `.minio.sys/buckets/<bucketname>/.metacache` to
	// to `.minio.sys/tmp/` for deletion.
	return readDirFn(pathJoin(epPath, minioMetaBucket, bucketMetaPrefix), func(name string, typ os.FileMode) error {
		if typ == os.ModeDir {
			tmpMetacacheOld := pathutil.Join(epPath, minioMetaTmpDeletedBucket, mustGetUUID())

	for _, disk := range er.getLocalDisks() {
		if disk == nil {
			continue
		}
		wg.Add(1)
		go func(disk StorageAPI) {
			defer wg.Done()
			drivePath := disk.Endpoint().Path
			readDirFn(pathJoin(drivePath, minioMetaTmpDeletedBucket), func(ddir string, typ os.FileMode) error {
				w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())
				return w.Run(func() error {

		}

		if f.weSleep() {
			scannerSleeper.Sleep(ctx, dataScannerSleepPerFolder)
		}

		var existingFolders, newFolders []cachedFolder
		var foundObjects bool
		err := readDirFn(pathJoin(f.root, folder.name), func(entName string, typ os.FileMode) error {
			// Parse
			entName = pathClean(pathJoin(folder.name, entName))
			if entName == "" || entName == folder.name {
				if f.dataUsageScannerDebug {