[mirror_ubuntu-zesty-kernel.git] / include / asm-generic / qrwlock_types.h

#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		wait_lock;
} arch_rwlock_t;

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

#endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */
Commit	Line	Data
70af2f8a WL	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
	11	typedef struct qrwlock {
	12	atomic_t cnts;
6e1e5196	13	arch_spinlock_t wait_lock;
70af2f8a WL	14	} arch_rwlock_t;
	15
	16	#define __ARCH_RW_LOCK_UNLOCKED { \
	17	.cnts = ATOMIC_INIT(0), \
6e1e5196	18	.wait_lock = __ARCH_SPIN_LOCK_UNLOCKED, \
70af2f8a WL	19	}
	20
	21	#endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */