14 #define atomic_read(v)		READ_ONCE((v)->counter)  argument
15 #define atomic_set(v, i)	WRITE_ONCE(((v)->counter), (i))  argument
51 #define atomic_add(i, v)		(void)atomic_add_return(i, v)  argument
52 #define atomic_add_negative(a, v)	(atomic_add_return((a), (v)) < 0)  argument
54 #define atomic_sub(i, v)		(void)atomic_sub_return(i, v)  argument
55 #define atomic_sub_and_test(i, v)	(atomic_sub_return(i, v) == 0)  argument
57 #define atomic_inc_return(v)		atomic_add_return(1, v)  argument
58 #define atomic_dec_return(v)		atomic_sub_return(1, v)  argument
60 #define atomic_inc(v)			(void)atomic_inc_return(v)  argument
61 #define atomic_inc_and_test(v)		(atomic_inc_return(v) == 0)  argument
63 #define atomic_dec(v)			(void)atomic_dec_return(v)  argument
64 #define atomic_dec_and_test(v)		(atomic_dec_return(v) == 0)  argument
66 static inline int atomic_cmpxchg(atomic_t *v, int old, int new)  in atomic_cmpxchg()
79 static inline int __atomic_add_unless(atomic_t *v, int a, int u)  in __atomic_add_unless()