35 static inline int atomic_read(const atomic_t *v)  in atomic_read()  argument
37 	return ACCESS_ONCE(v->counter);  in atomic_read()
47 #define atomic_sub_return(i, v)		atomic_add_return((int)(-(i)), (v))  argument
56 #define atomic_sub(i, v)		atomic_add((int)(-(i)), (v))  argument
66 #define atomic_sub_and_test(i, v)	(atomic_sub_return((i), (v)) == 0)  argument
74 #define atomic_inc_return(v)		atomic_add_return(1, (v))  argument
82 #define atomic_dec_return(v)		atomic_sub_return(1, (v))  argument
90 #define atomic_inc(v)			atomic_add(1, (v))  argument
98 #define atomic_dec(v)			atomic_sub(1, (v))  argument
106 #define atomic_dec_and_test(v)		(atomic_dec_return(v) == 0)  argument
114 #define atomic_inc_and_test(v)		(atomic_inc_return(v) == 0)  argument
123 static inline int atomic_xchg(atomic_t *v, int n)  in atomic_xchg()  argument
125 	return xchg(&v->counter, n);  in atomic_xchg()
137 static inline int atomic_cmpxchg(atomic_t *v, int o, int n)  in atomic_cmpxchg()  argument
139 	return cmpxchg(&v->counter, o, n);  in atomic_cmpxchg()
150 #define atomic_add_negative(i, v)	(atomic_add_return((i), (v)) < 0)  argument
169 static inline long long atomic64_xchg(atomic64_t *v, long long n)  in atomic64_xchg()  argument
171 	return xchg64(&v->counter, n);  in atomic64_xchg()
183 static inline long long atomic64_cmpxchg(atomic64_t *v, long long o,  in atomic64_cmpxchg()  argument
186 	return cmpxchg64(&v->counter, o, n);  in atomic64_cmpxchg()
189 static inline long long atomic64_dec_if_positive(atomic64_t *v)  in atomic64_dec_if_positive()  argument
193 	c = atomic64_read(v);  in atomic64_dec_if_positive()
198 		old = atomic64_cmpxchg((v), c, dec);  in atomic64_dec_if_positive()