DeleteBulk(ctx context.Context, volume string, paths ...string) error
	WriteMetadata(ctx context.Context, origvolume, volume, path string, fi FileInfo) error
	UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) error
	ReadVersion(ctx context.Context, origvolume, volume, path, versionID string, opts ReadOptions) (FileInfo, error)

		return err
	}
	return d.disk.WriteMetadata(ctx, origvolume, volume, path, fi)
}

func (d *naughtyDisk) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) (err error) {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.UpdateMetadata(ctx, volume, path, fi, opts)
}

		DiskID:     *client.diskID.Load(),
		OrigVolume: origvolume,
		Volume:     volume,
		FilePath:   path,
		FI:         fi,
	})
	return toStorageErr(err)
}

func (client *storageRESTClient) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) error {
	ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
	defer cancel()

	// Start writing `xl.meta` to all disks in parallel.
	for index := range onlineDisks {
		g.Go(func() error {
			if onlineDisks[index] == nil {
				return errDiskNotFound
			}
			return onlineDisks[index].UpdateMetadata(ctx, bucket, object, fi, opts)
		}, index)
	}

	// Wait for all the routines.
	mErrs := g.Wait()

	return reduceWriteQuorumErrs(ctx, mErrs, objectOpIgnoredErrs, fi.WriteQuorum(er.defaultWQuorum()))

	}

	return s.deleteFile(volumeDir, pathJoin(volumeDir, path, xlStorageFormatFile), true, false)
}

// Updates only metadata for a given version.
func (s *xlStorage) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) (err error) {
	if len(fi.Metadata) == 0 {
		return errInvalidArgument
	}

	volumeDir, err := s.getVolDir(volume)