diff options
Diffstat (limited to 'fs/xfs/linux-2.6/mutex.h')
-rw-r--r-- | fs/xfs/linux-2.6/mutex.h | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/fs/xfs/linux-2.6/mutex.h b/fs/xfs/linux-2.6/mutex.h index ce773d89a923..2a88d56c4dc2 100644 --- a/fs/xfs/linux-2.6/mutex.h +++ b/fs/xfs/linux-2.6/mutex.h | |||
@@ -18,22 +18,8 @@ | |||
18 | #ifndef __XFS_SUPPORT_MUTEX_H__ | 18 | #ifndef __XFS_SUPPORT_MUTEX_H__ |
19 | #define __XFS_SUPPORT_MUTEX_H__ | 19 | #define __XFS_SUPPORT_MUTEX_H__ |
20 | 20 | ||
21 | #include <linux/spinlock.h> | 21 | #include <linux/mutex.h> |
22 | #include <asm/semaphore.h> | ||
23 | 22 | ||
24 | /* | 23 | typedef struct mutex mutex_t; |
25 | * Map the mutex'es from IRIX to Linux semaphores. | ||
26 | * | ||
27 | * Destroy just simply initializes to -99 which should block all other | ||
28 | * callers. | ||
29 | */ | ||
30 | #define MUTEX_DEFAULT 0x0 | ||
31 | typedef struct semaphore mutex_t; | ||
32 | |||
33 | #define mutex_init(lock, type, name) sema_init(lock, 1) | ||
34 | #define mutex_destroy(lock) sema_init(lock, -99) | ||
35 | #define mutex_lock(lock, num) down(lock) | ||
36 | #define mutex_trylock(lock) (down_trylock(lock) ? 0 : 1) | ||
37 | #define mutex_unlock(lock) up(lock) | ||
38 | 24 | ||
39 | #endif /* __XFS_SUPPORT_MUTEX_H__ */ | 25 | #endif /* __XFS_SUPPORT_MUTEX_H__ */ |