On Wed, Dec 21, 2005 at 11:36:56PM +0100, Ingo Molnar wrote:
> Fixup the XFS code to avoid name clashing with the mutex code by
> introducing xfs_mutex_ functions.
...
> --- linux.orig/fs/xfs/linux-2.6/mutex.h
> +++ linux/fs/xfs/linux-2.6/mutex.h
> @@ -30,10 +30,10 @@
> #define MUTEX_DEFAULT 0x0
> typedef struct semaphore mutex_t;
>
> -#define mutex_init(lock, type, name) sema_init(lock, 1)
> -#define mutex_destroy(lock) sema_init(lock, -99)
> -#define mutex_lock(lock, num) down(lock)
> -#define mutex_trylock(lock) (down_trylock(lock) ? 0 : 1)
> -#define mutex_unlock(lock) up(lock)
> +#define xfs_mutex_init(lock, type, name) arch_sema_init(lock, 1)
> +#define xfs_mutex_destroy(lock) arch_sema_init(lock, -99)
> +#define xfs_mutex_lock(lock, num) arch_down(lock)
> +#define xfs_mutex_trylock(lock) (arch_down_trylock(lock) ? 0 : 1)
> +#define xfs_mutex_unlock(lock) arch_up(lock)
This arch_ prefix seems to be a leftover from the migration helper patches?
Johannes
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