code: func (d *Driver) Status() [][2]string {
  	status := [][2]string{}
  	if bv := btrfsBuildVersion(); bv != "-" {
  		status = append(status, [2]string{"Build Version", bv})
  	}
  	if lv := btrfsLibVersion(); lv != -1 {
  		status = append(status, [2]string{"Library Version", fmt.Sprintf("%d", lv)})
  	}
  	return status
  }
docs: // Status returns current driver information in a two dimensional string array.
  // Output contains "Build Version" and "Library Version" of the btrfs libraries used.
  // Version information can be used to check compatibility with your kernel.