31 #define atomic_read(v)	ACCESS_ONCE((v)->counter)  argument
40 #define atomic_set(v,i)	(((v)->counter) = (i))  argument
49 static __inline__ void atomic_##op(int i, atomic_t *v)			\
62 		: "r" (&v->counter), "r" (i)				\
70 static __inline__ int atomic_##op##_return(int i, atomic_t *v)		\
83 		: "r" (&v->counter), "r" (i)				\
110 #define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)  in ATOMIC_OPS()  argument
118 static __inline__ int atomic_inc_return(atomic_t *v)  in ATOMIC_OPS()
131 		: "r" (&v->counter)  in ATOMIC_OPS()
146 static __inline__ int atomic_dec_return(atomic_t *v)  in atomic_dec_return()  argument
159 		: "r" (&v->counter)  in atomic_dec_return()
174 #define atomic_inc(v) ((void)atomic_inc_return(v))  argument
182 #define atomic_dec(v) ((void)atomic_dec_return(v))  argument
192 #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)  argument
202 #define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)  argument
213 #define atomic_add_negative(i,v) (atomic_add_return((i), (v)) < 0)  argument
215 #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))  argument
216 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))  argument
227 static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)  in __atomic_add_unless()  argument
230 	c = atomic_read(v);  in __atomic_add_unless()
234 		old = atomic_cmpxchg((v), c, c + (a));  in __atomic_add_unless()