summaryrefslogtreecommitdiff
path: root/include/asm-generic/qrwlock_types.h
blob: 4d76f24df5182d9a2736adb987ef7f95866050e6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
#ifndef __ASM_GENERIC_QRWLOCK_TYPES_H
#define __ASM_GENERIC_QRWLOCK_TYPES_H

#include <linux/types.h>
#include <asm/spinlock_types.h>

/*
 * The queue read/write lock data structure
 */

typedef struct qrwlock {
	atomic_t		cnts;
	arch_spinlock_t		lock;
} arch_rwlock_t;

#define	__ARCH_RW_LOCK_UNLOCKED {		\
	.cnts = ATOMIC_INIT(0),			\
	.lock = __ARCH_SPIN_LOCK_UNLOCKED,	\
}

#endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */