18   extern void __rwlock_init(rwlock_t *lock, const char *name,
20 # define rwlock_init(lock)					\  argument
24 	__rwlock_init((lock), #lock, &__key);			\
27 # define rwlock_init(lock)					\  argument
28 	do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0)
32  extern void do_raw_read_lock(rwlock_t *lock) __acquires(lock);
33 #define do_raw_read_lock_flags(lock, flags) do_raw_read_lock(lock)  argument
34  extern int do_raw_read_trylock(rwlock_t *lock);
35  extern void do_raw_read_unlock(rwlock_t *lock) __releases(lock);
36  extern void do_raw_write_lock(rwlock_t *lock) __acquires(lock);
37 #define do_raw_write_lock_flags(lock, flags) do_raw_write_lock(lock)  argument
38  extern int do_raw_write_trylock(rwlock_t *lock);
39  extern void do_raw_write_unlock(rwlock_t *lock) __releases(lock);
43 # define arch_read_lock_flags(lock, flags)	arch_read_lock(lock)  argument
47 # define arch_write_lock_flags(lock, flags)	arch_write_lock(lock)  argument
50 # define do_raw_read_lock(rwlock)	do {__acquire(lock); arch_read_lock(&(rwlock)->raw_lock); } while…
51 # define do_raw_read_lock_flags(lock, flags) \  argument
52 		do {__acquire(lock); arch_read_lock_flags(&(lock)->raw_lock, *(flags)); } while (0)
54 # define do_raw_read_unlock(rwlock)	do {arch_read_unlock(&(rwlock)->raw_lock); __release(lock); } w…
55 # define do_raw_write_lock(rwlock)	do {__acquire(lock); arch_write_lock(&(rwlock)->raw_lock); } whi…
56 # define do_raw_write_lock_flags(lock, flags) \  argument
57 		do {__acquire(lock); arch_write_lock_flags(&(lock)->raw_lock, *(flags)); } while (0)
59 # define do_raw_write_unlock(rwlock)	do {arch_write_unlock(&(rwlock)->raw_lock); __release(lock); }…
67 #define read_trylock(lock)	__cond_lock(lock, _raw_read_trylock(lock))  argument
68 #define write_trylock(lock)	__cond_lock(lock, _raw_write_trylock(lock))  argument
70 #define write_lock(lock)	_raw_write_lock(lock)  argument
71 #define read_lock(lock)		_raw_read_lock(lock)  argument
75 #define read_lock_irqsave(lock, flags)			\  argument
78 		flags = _raw_read_lock_irqsave(lock);	\
80 #define write_lock_irqsave(lock, flags)			\  argument
83 		flags = _raw_write_lock_irqsave(lock);	\
88 #define read_lock_irqsave(lock, flags)			\  argument
91 		_raw_read_lock_irqsave(lock, flags);	\
93 #define write_lock_irqsave(lock, flags)			\  argument
96 		_raw_write_lock_irqsave(lock, flags);	\
101 #define read_lock_irq(lock)		_raw_read_lock_irq(lock)  argument
102 #define read_lock_bh(lock)		_raw_read_lock_bh(lock)  argument
103 #define write_lock_irq(lock)		_raw_write_lock_irq(lock)  argument
104 #define write_lock_bh(lock)		_raw_write_lock_bh(lock)  argument
105 #define read_unlock(lock)		_raw_read_unlock(lock)  argument
106 #define write_unlock(lock)		_raw_write_unlock(lock)  argument
107 #define read_unlock_irq(lock)		_raw_read_unlock_irq(lock)  argument
108 #define write_unlock_irq(lock)		_raw_write_unlock_irq(lock)  argument
110 #define read_unlock_irqrestore(lock, flags)			\  argument
113 		_raw_read_unlock_irqrestore(lock, flags);	\
115 #define read_unlock_bh(lock)		_raw_read_unlock_bh(lock)  argument
117 #define write_unlock_irqrestore(lock, flags)		\  argument
120 		_raw_write_unlock_irqrestore(lock, flags);	\
122 #define write_unlock_bh(lock)		_raw_write_unlock_bh(lock)  argument
124 #define write_trylock_irqsave(lock, flags) \  argument
127 	write_trylock(lock) ? \