42 ___down_read (struct rw_semaphore *sem)  in ___down_read()  argument
44 	long result = ia64_fetchadd8_acq((unsigned long *)&sem->count.counter, 1);  in ___down_read()
50 __down_read (struct rw_semaphore *sem)  in __down_read()  argument
52 	if (___down_read(sem))  in __down_read()
53 		rwsem_down_read_failed(sem);  in __down_read()
57 __down_read_killable (struct rw_semaphore *sem)  in __down_read_killable()  argument
59 	if (___down_read(sem))  in __down_read_killable()
60 		if (IS_ERR(rwsem_down_read_failed_killable(sem)))  in __down_read_killable()
70 ___down_write (struct rw_semaphore *sem)  in ___down_write()  argument
75 		old = atomic_long_read(&sem->count);  in ___down_write()
77 	} while (atomic_long_cmpxchg_acquire(&sem->count, old, new) != old);  in ___down_write()
83 __down_write (struct rw_semaphore *sem)  in __down_write()  argument
85 	if (___down_write(sem))  in __down_write()
86 		rwsem_down_write_failed(sem);  in __down_write()
90 __down_write_killable (struct rw_semaphore *sem)  in __down_write_killable()  argument
92 	if (___down_write(sem)) {  in __down_write_killable()
93 		if (IS_ERR(rwsem_down_write_failed_killable(sem)))  in __down_write_killable()
104 __up_read (struct rw_semaphore *sem)  in __up_read()  argument
106 	long result = ia64_fetchadd8_rel((unsigned long *)&sem->count.counter, -1);  in __up_read()
109 		rwsem_wake(sem);  in __up_read()
116 __up_write (struct rw_semaphore *sem)  in __up_write()  argument
121 		old = atomic_long_read(&sem->count);  in __up_write()
123 	} while (atomic_long_cmpxchg_release(&sem->count, old, new) != old);  in __up_write()
126 		rwsem_wake(sem);  in __up_write()
133 __down_read_trylock (struct rw_semaphore *sem)  in __down_read_trylock()  argument
136 	while ((tmp = atomic_long_read(&sem->count)) >= 0) {  in __down_read_trylock()
137 		if (tmp == atomic_long_cmpxchg_acquire(&sem->count, tmp, tmp+1)) {  in __down_read_trylock()
148 __down_write_trylock (struct rw_semaphore *sem)  in __down_write_trylock()  argument
150 	long tmp = atomic_long_cmpxchg_acquire(&sem->count,  in __down_write_trylock()
159 __downgrade_write (struct rw_semaphore *sem)  in __downgrade_write()  argument
164 		old = atomic_long_read(&sem->count);  in __downgrade_write()
166 	} while (atomic_long_cmpxchg_release(&sem->count, old, new) != old);  in __downgrade_write()
169 		rwsem_downgrade_wake(sem);  in __downgrade_write()