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[SPARC]: Add missing rw can_lock macros

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Fix a link failure by adding the missing can_lock macros for the rw
locks.

Signed-off-by: Bob Breuer <breuerr@mc.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bob Breuer 2006-06-20 00:35:13 -07:00 committed by David S. Miller
parent 7202fb496a
commit 61fc12d8e5
1 changed files with 3 additions and 0 deletions
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3
include/asm-sparc/spinlock.h
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@ -154,6 +154,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
#define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff))
#define __raw_write_can_lock(rw) (!(rw)->lock)
#endif /* !(__ASSEMBLY__) */
#endif /* __SPARC_SPINLOCK_H */