36 	volatile int64_t counter;  member
39 #define	ATOMIC64_INIT(x)	{ .counter = (x) }
59 	return i + atomic_fetchadd_64(&v->counter, i);  in atomic64_add_return()
65 	return atomic_fetchadd_64(&v->counter, -i) - i;  in atomic64_sub_return()
71 	atomic_store_rel_64(&v->counter, i);  in atomic64_set()
77 	return READ_ONCE(v->counter);  in atomic64_read()
83 	return atomic_fetchadd_64(&v->counter, 1) + 1;  in atomic64_inc()
89 	return atomic_fetchadd_64(&v->counter, -1) - 1;  in atomic64_dec()
100 		if (likely(atomic_fcmpset_64(&v->counter, &c, c + a)))  in atomic64_add_unless()
114 		if (likely(atomic_fcmpset_64(&v->counter, &c, c + a)))  in atomic64_fetch_add_unless()
125 	return (atomic_swap_64(&v->counter, i));  in atomic64_xchg()
129 	while (!atomic_fcmpset_64(&v->counter, &ret, i))  in atomic64_xchg()
141 		if (atomic_fcmpset_64(&v->counter, &ret, new))  in atomic64_cmpxchg()