1#ifndef __ASM_GENERIC_QRWLOCK_TYPES_H
2#define __ASM_GENERIC_QRWLOCK_TYPES_H
3
4#include <linux/types.h>
5#include <asm/spinlock_types.h>
6
7/*
8 * The queue read/write lock data structure
9 */
10
11typedef struct qrwlock {
12	atomic_t		cnts;
13	arch_spinlock_t		wait_lock;
14} arch_rwlock_t;
15
16#define	__ARCH_RW_LOCK_UNLOCKED {		\
17	.cnts = ATOMIC_INIT(0),			\
18	.wait_lock = __ARCH_SPIN_LOCK_UNLOCKED,	\
19}
20
21#endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */
22