199 static inline long __arch_read_trylock(arch_rwlock_t *rw)  in __arch_read_trylock()  argument
213 	: "r" (&rw->lock)  in __arch_read_trylock()
223 static inline long __arch_write_trylock(arch_rwlock_t *rw)  in __arch_write_trylock()  argument
237 	: "r" (token), "r" (&rw->lock)  in __arch_write_trylock()
243 static inline void arch_read_lock(arch_rwlock_t *rw)  in arch_read_lock()  argument
246 		if (likely(__arch_read_trylock(rw) > 0))  in arch_read_lock()
251 				__rw_yield(rw);  in arch_read_lock()
252 		} while (unlikely(rw->lock < 0));  in arch_read_lock()
257 static inline void arch_write_lock(arch_rwlock_t *rw)  in arch_write_lock()  argument
260 		if (likely(__arch_write_trylock(rw) == 0))  in arch_write_lock()
265 				__rw_yield(rw);  in arch_write_lock()
266 		} while (unlikely(rw->lock != 0));  in arch_write_lock()
271 static inline int arch_read_trylock(arch_rwlock_t *rw)  in arch_read_trylock()  argument
273 	return __arch_read_trylock(rw) > 0;  in arch_read_trylock()
276 static inline int arch_write_trylock(arch_rwlock_t *rw)  in arch_write_trylock()  argument
278 	return __arch_write_trylock(rw) == 0;  in arch_write_trylock()
281 static inline void arch_read_unlock(arch_rwlock_t *rw)  in arch_read_unlock()  argument
294 	: "r"(&rw->lock)  in arch_read_unlock()
298 static inline void arch_write_unlock(arch_rwlock_t *rw)  in arch_write_unlock()  argument
302 	rw->lock = 0;  in arch_write_unlock()