1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef LOCK 3 #define LOCK RL 4 5 #undef UNLOCK 6 #define UNLOCK RU 7 8 #undef RLOCK 9 #define RLOCK RL 10 11 #undef WLOCK 12 #define WLOCK WL 13 14 #undef INIT 15 #define INIT RWI 16