}
	defer fp.Close()
	decoder := json.NewDecoder(fp)
	if err = decoder.Decode(conf); err != nil {
		return fmt.Errorf("iscsi: decode err: %v", err)
	}
	return nil
}

// scanOneLun scans a single LUN on one SCSI bus
// Use this to avoid scanning the whole SCSI bus for all of the LUNs, which
// would result in the kernel on this node discovering LUNs that it shouldn't