47 #define	read_lock_irq(lock)	read_lock((lock))  argument
48 #define	read_unlock_irq(lock)	read_unlock((lock))  argument
49 #define	write_lock_irq(lock)	write_lock((lock))  argument
50 #define	write_unlock_irq(lock)	write_unlock((lock))  argument
51 #define	read_lock_irqsave(lock, flags)					\  argument
52     do {(flags) = 0; read_lock(lock); } while (0)
53 #define	write_lock_irqsave(lock, flags)					\  argument
54     do {(flags) = 0; write_lock(lock); } while (0)
55 #define	read_unlock_irqrestore(lock, flags)				\  argument
56     do { read_unlock(lock); } while (0)
57 #define	write_unlock_irqrestore(lock, flags)				\  argument
58     do { write_unlock(lock); } while (0)
61 rwlock_init(rwlock_t *lock)  in rwlock_init()  argument
64 	memset(&lock->rw, 0, sizeof(lock->rw));  in rwlock_init()
65 	rw_init_flags(&lock->rw, "lnxrw", RW_NOWITNESS);  in rwlock_init()