206 static inline long __arch_read_trylock(arch_rwlock_t *rw)  in __arch_read_trylock()  argument
220 	: "r" (&rw->lock)  in __arch_read_trylock()
230 static inline long __arch_write_trylock(arch_rwlock_t *rw)  in __arch_write_trylock()  argument
244 	: "r" (token), "r" (&rw->lock)  in __arch_write_trylock()
250 static inline void arch_read_lock(arch_rwlock_t *rw)  in arch_read_lock()  argument
253 		if (likely(__arch_read_trylock(rw) > 0))  in arch_read_lock()
258 				splpar_rw_yield(rw);  in arch_read_lock()
259 		} while (unlikely(rw->lock < 0));  in arch_read_lock()
264 static inline void arch_write_lock(arch_rwlock_t *rw)  in arch_write_lock()  argument
267 		if (likely(__arch_write_trylock(rw) == 0))  in arch_write_lock()
272 				splpar_rw_yield(rw);  in arch_write_lock()
273 		} while (unlikely(rw->lock != 0));  in arch_write_lock()
278 static inline int arch_read_trylock(arch_rwlock_t *rw)  in arch_read_trylock()  argument
280 	return __arch_read_trylock(rw) > 0;  in arch_read_trylock()
283 static inline int arch_write_trylock(arch_rwlock_t *rw)  in arch_write_trylock()  argument
285 	return __arch_write_trylock(rw) == 0;  in arch_write_trylock()
288 static inline void arch_read_unlock(arch_rwlock_t *rw)  in arch_read_unlock()  argument
301 	: "r"(&rw->lock)  in arch_read_unlock()
305 static inline void arch_write_unlock(arch_rwlock_t *rw)  in arch_write_unlock()  argument
309 	rw->lock = 0;  in arch_write_unlock()