if len(b) > xioutil.DirectioAlignSize {
			r := bytes.NewReader(b)
			return s.writeAllDirect(ctx, filePath, r.Size(), r, flags, skipParent)
		}
		w, err = s.openFileSync(filePath, flags, skipParent)
	} else {
		w, err = s.openFile(filePath, flags, skipParent)
	}
	if err != nil {
		return err
	}

	n, err := w.Write(b)
	if err != nil {
		w.Close()
		return err