Messages in this thread | | | Date | Thu, 22 Dec 2005 02:53:49 +0100 | From | Johannes Stezenbach <> | Subject | Re: [patch 1/8] mutex subsystem, XFS namespace collision fixes |
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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?
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