| Waiman Long | 70af2f8 | 2014-02-03 13:18:49 +0100 | [diff] [blame] | 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; | ||||
| 13 | arch_spinlock_t lock; | ||||
| 14 | } arch_rwlock_t; | ||||
| 15 | |||||
| 16 | #define __ARCH_RW_LOCK_UNLOCKED { \ | ||||
| 17 | .cnts = ATOMIC_INIT(0), \ | ||||
| 18 | .lock = __ARCH_SPIN_LOCK_UNLOCKED, \ | ||||
| 19 | } | ||||
| 20 | |||||
| 21 | #endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */ | ||||