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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; |
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14 | } arch_rwlock_t; |
15 | ||
16 | #define __ARCH_RW_LOCK_UNLOCKED { \ | |
17 | .cnts = ATOMIC_INIT(0), \ | |
6e1e5196 | 18 | .wait_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ |
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19 | } |
20 | ||
21 | #endif /* __ASM_GENERIC_QRWLOCK_TYPES_H */ |