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 */ |