return nil, err
	}
	return d.disk.ReadParts(ctx, bucket, partMetaPaths...)
}

func (d *naughtyDisk) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.RenameFile(ctx, srcVolume, srcPath, dstVolume, dstPath)
}

	CreateFile(ctx context.Context, origvolume, olume, path string, size int64, reader io.Reader) error
	ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error)
	RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error
	RenamePart(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string, meta []byte) error

	readPartsResp := &ReadPartsResp{}
	if err = readPartsResp.DecodeMsg(rd); err != nil {
		return nil, toStorageErr(err)
	}

	return readPartsResp.Infos, nil
}

// RenameFile - renames a file.
func (client *storageRESTClient) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) (err error) {
	ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
	defer cancel()

		{"foo", "yourobject", "bar", "myobject", false},
		// overwrite.
		{"foo", "otherobject", "bar", "myobject", false},
	}

	for i, testCase := range testCases {
		err := storage.RenameFile(context.Background(), testCase.volumeName, testCase.objectName, testCase.destVolumeName, testCase.destObjectName)
		expectErr := (err != nil)

		if expectErr != testCase.expectErr {

	w := xioutil.NewDeadlineWorker(globalDriveConfig.GetMaxTimeout())
	return w.Run(func() error { return p.storage.RenamePart(ctx, srcVolume, srcPath, dstVolume, dstPath, meta) })
}

func (p *xlStorageDiskIDCheck) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) (err error) {
	ctx, done, err := p.TrackDiskHealth(ctx, storageMetricRenameFile, srcVolume, srcPath, dstVolume, dstPath)
	if err != nil {
		return err
	}

	})

	// write to unique file.
	if err = disk.WriteAll(context.TODO(), minioMetaBucket, tmpFormat, formatData); err != nil {
		return err
	}

	// Rename file `uuid.json` --> `format.json`.
	if err = disk.RenameFile(context.TODO(), minioMetaBucket, tmpFormat, minioMetaBucket, formatConfigFile); err != nil {
		return err
	}

	disk.SetDiskID(format.Erasure.This)
	if healID != "" {
		ctx := context.Background()

	if err != errVolumeNotFound {
		t.Fatalf("expected: \"Invalid argument error\", got: \"%s\"", err)
	}
}

// TestXLStorage xlStorage.RenameFile()
func TestXLStorageRenameFile(t *testing.T) {
	// create xlStorage test setup
	xlStorage, _, err := newXLStorageTestSetup(t)
	if err != nil {
		t.Fatalf("Unable to create xlStorage test setup, %s", err)
	}

	errs := g.Wait()

	err := reduceWriteQuorumErrs(ctx, errs, objectOpIgnoredErrs, writeQuorum)
	if err != nil {
		er.cleanupMultipartPath(ctx, paths...)
	}

	// We can safely allow RenameFile errors up to len(er.getDisks()) - writeQuorum
	// otherwise return failure. Cleanup successful renames.
	return evalDisks(disks, errs), err
}

// PutObjectPart - reads incoming stream and internally erasure codes

func (s *storageRESTServer) RenameFileHandler(p *RenameFileHandlerParams) (grid.NoPayload, *grid.RemoteErr) {
	if !s.checkID(p.DiskID) {
		return grid.NewNPErr(errDiskNotFound)
	}
	return grid.NewNPErr(s.getStorage().RenameFile(context.Background(), p.SrcVolume, p.SrcFilePath, p.DstVolume, p.DstFilePath))
}

// RenamePartHandler - rename a multipart part from source to destination

	parentDir := pathutil.Dir(srcFilePath)
	s.deleteFile(srcVolumeDir, parentDir, false, false)

	return nil
}

// RenameFile - rename source path to destination path atomically.
func (s *xlStorage) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) (err error) {
	srcVolumeDir, err := s.getVolDir(srcVolume)
	if err != nil {
		return err
	}