58 static inline void refcount_set(refcount_t *r, unsigned int n)  in refcount_set()  argument
60 	atomic_set(&r->refs, n);  in refcount_set()
63 static inline unsigned int refcount_read(const refcount_t *r)  in refcount_read()  argument
65 	return atomic_read(&r->refs);  in refcount_read()
76 bool refcount_inc_not_zero(refcount_t *r)  in refcount_inc_not_zero()  argument
78 	unsigned int old, new, val = atomic_read(&r->refs);  in refcount_inc_not_zero()
89 		old = atomic_cmpxchg_relaxed(&r->refs, val, new);  in refcount_inc_not_zero()
107 static inline void refcount_inc(refcount_t *r)  in refcount_inc()  argument
109 	REFCOUNT_WARN(!refcount_inc_not_zero(r), "refcount_t: increment on 0; use-after-free.\n");  in refcount_inc()
121 bool refcount_sub_and_test(unsigned int i, refcount_t *r)  in refcount_sub_and_test()  argument
123 	unsigned int old, new, val = atomic_read(&r->refs);  in refcount_sub_and_test()
135 		old = atomic_cmpxchg_release(&r->refs, val, new);  in refcount_sub_and_test()
146 bool refcount_dec_and_test(refcount_t *r)  in refcount_dec_and_test()  argument
148 	return refcount_sub_and_test(1, r);  in refcount_dec_and_test()