125 void refcount_warn_saturate(refcount_t *r, enum refcount_saturation_type t);
132 static inline void refcount_set(refcount_t *r, int n)  in refcount_set()  argument
134 	atomic_set(&r->refs, n);  in refcount_set()
157 static inline void refcount_set_release(refcount_t *r, int n)  in refcount_set_release()  argument
159 	atomic_set_release(&r->refs, n);  in refcount_set_release()
168 static inline unsigned int refcount_read(const refcount_t *r)  in refcount_read()  argument
170 	return atomic_read(&r->refs);  in refcount_read()
174 bool __refcount_add_not_zero(int i, refcount_t *r, int *oldp)  in __refcount_add_not_zero()  argument
176 	int old = refcount_read(r);  in __refcount_add_not_zero()
181 	} while (!atomic_try_cmpxchg_relaxed(&r->refs, &old, old + i));  in __refcount_add_not_zero()
187 		refcount_warn_saturate(r, REFCOUNT_ADD_NOT_ZERO_OVF);  in __refcount_add_not_zero()
210 static inline __must_check bool refcount_add_not_zero(int i, refcount_t *r)  in refcount_add_not_zero()  argument
212 	return __refcount_add_not_zero(i, r, NULL);  in refcount_add_not_zero()
216 bool __refcount_add_not_zero_limited_acquire(int i, refcount_t *r, int *oldp,  in __refcount_add_not_zero_limited_acquire()  argument
219 	int old = refcount_read(r);  in __refcount_add_not_zero_limited_acquire()
230 	} while (!atomic_try_cmpxchg_acquire(&r->refs, &old, old + i));  in __refcount_add_not_zero_limited_acquire()
236 		refcount_warn_saturate(r, REFCOUNT_ADD_NOT_ZERO_OVF);  in __refcount_add_not_zero_limited_acquire()
242 __refcount_inc_not_zero_limited_acquire(refcount_t *r, int *oldp, int limit)  in __refcount_inc_not_zero_limited_acquire()  argument
244 	return __refcount_add_not_zero_limited_acquire(1, r, oldp, limit);  in __refcount_inc_not_zero_limited_acquire()
248 bool __refcount_add_not_zero_acquire(int i, refcount_t *r, int *oldp)  in __refcount_add_not_zero_acquire()  argument
250 	return __refcount_add_not_zero_limited_acquire(i, r, oldp, INT_MAX);  in __refcount_add_not_zero_acquire()
275 static inline __must_check bool refcount_add_not_zero_acquire(int i, refcount_t *r)  in refcount_add_not_zero_acquire()  argument
277 	return __refcount_add_not_zero_acquire(i, r, NULL);  in refcount_add_not_zero_acquire()
281 void __refcount_add(int i, refcount_t *r, int *oldp)  in __refcount_add()  argument
283 	int old = atomic_fetch_add_relaxed(i, &r->refs);  in __refcount_add()
289 		refcount_warn_saturate(r, REFCOUNT_ADD_UAF);  in __refcount_add()
291 		refcount_warn_saturate(r, REFCOUNT_ADD_OVF);  in __refcount_add()
310 static inline void refcount_add(int i, refcount_t *r)  in refcount_add()  argument
312 	__refcount_add(i, r, NULL);  in refcount_add()
315 static inline __must_check bool __refcount_inc_not_zero(refcount_t *r, int *oldp)  in __refcount_inc_not_zero()  argument
317 	return __refcount_add_not_zero(1, r, oldp);  in __refcount_inc_not_zero()
333 static inline __must_check bool refcount_inc_not_zero(refcount_t *r)  in refcount_inc_not_zero()  argument
335 	return __refcount_inc_not_zero(r, NULL);  in refcount_inc_not_zero()
338 static inline __must_check bool __refcount_inc_not_zero_acquire(refcount_t *r, int *oldp)  in __refcount_inc_not_zero_acquire()  argument
340 	return __refcount_add_not_zero_acquire(1, r, oldp);  in __refcount_inc_not_zero_acquire()
359 static inline __must_check bool refcount_inc_not_zero_acquire(refcount_t *r)  in refcount_inc_not_zero_acquire()  argument
361 	return __refcount_inc_not_zero_acquire(r, NULL);  in refcount_inc_not_zero_acquire()
364 static inline void __refcount_inc(refcount_t *r, int *oldp)  in __refcount_inc()  argument
366 	__refcount_add(1, r, oldp);  in __refcount_inc()
381 static inline void refcount_inc(refcount_t *r)  in refcount_inc()  argument
383 	__refcount_inc(r, NULL);  in refcount_inc()
387 bool __refcount_sub_and_test(int i, refcount_t *r, int *oldp)  in __refcount_sub_and_test()  argument
389 	int old = atomic_fetch_sub_release(i, &r->refs);  in __refcount_sub_and_test()
400 		refcount_warn_saturate(r, REFCOUNT_SUB_UAF);  in __refcount_sub_and_test()
425 static inline __must_check bool refcount_sub_and_test(int i, refcount_t *r)  in refcount_sub_and_test()  argument
427 	return __refcount_sub_and_test(i, r, NULL);  in refcount_sub_and_test()
430 static inline __must_check bool __refcount_dec_and_test(refcount_t *r, int *oldp)  in __refcount_dec_and_test()  argument
432 	return __refcount_sub_and_test(1, r, oldp);  in __refcount_dec_and_test()
448 static inline __must_check bool refcount_dec_and_test(refcount_t *r)  in refcount_dec_and_test()  argument
450 	return __refcount_dec_and_test(r, NULL);  in refcount_dec_and_test()
453 static inline void __refcount_dec(refcount_t *r, int *oldp)  in __refcount_dec()  argument
455 	int old = atomic_fetch_sub_release(1, &r->refs);  in __refcount_dec()
461 		refcount_warn_saturate(r, REFCOUNT_DEC_LEAK);  in __refcount_dec()
474 static inline void refcount_dec(refcount_t *r)  in refcount_dec()  argument
476 	__refcount_dec(r, NULL);  in refcount_dec()
479 extern __must_check bool refcount_dec_if_one(refcount_t *r);
480 extern __must_check bool refcount_dec_not_one(refcount_t *r);
481 extern __must_check bool refcount_dec_and_mutex_lock(refcount_t *r, struct mutex *lock) __cond_acqu…
482 extern __must_check bool refcount_dec_and_lock(refcount_t *r, spinlock_t *lock) __cond_acquires(loc…
483 extern __must_check bool refcount_dec_and_lock_irqsave(refcount_t *r,