data := make([]byte, 8)
	binary.LittleEndian.PutUint64(data, writeCount)
	return xattr.LSet(s.formatFile, attr, data)
}

// DiskInfo provides current information about disk space usage,
// total free inodes and underlying filesystem.
func (s *xlStorage) DiskInfo(_ context.Context, _ DiskInfoOptions) (info DiskInfo, err error) {
	info, err = s.diskInfoCache.Get()
	info.NRRequests = s.nrRequests
	info.Rotational = s.rotational