[PATCH] md: add a ->congested_fn function for raid5/6

[powerpc.git] / include / asm-alpha / atomic.h

diff --git a/include/asm-alpha/atomic.h b/include/asm-alpha/atomic.h
index 6183eab..fc77f74 100644 (file)
--- a/include/asm-alpha/atomic.h
+++ b/include/asm-alpha/atomic.h
@@ -176,6 +176,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 }
 
 #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
 
 #define atomic_add_unless(v, a, u)                             \
 ({                                                             \
@@ -216,4 +217,5 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v)
 #define smp_mb__before_atomic_inc()    smp_mb()
 #define smp_mb__after_atomic_inc()     smp_mb()
 
+#include <asm-generic/atomic.h>
 #endif /* _ALPHA_ATOMIC_H */