55 static inline void __seqcount_init(seqcount_t *s, const char *name,  in __seqcount_init()  argument
61 	lockdep_init_map(&s->dep_map, name, key, 0);  in __seqcount_init()
62 	s->sequence = 0;  in __seqcount_init()
69 # define seqcount_init(s)				\  argument
72 		__seqcount_init((s), #s, &__key);	\
75 static inline void seqcount_lockdep_reader_access(const seqcount_t *s)  in seqcount_lockdep_reader_access()  argument
77 	seqcount_t *l = (seqcount_t *)s;  in seqcount_lockdep_reader_access()
88 # define seqcount_init(s) __seqcount_init(s, NULL, NULL)  argument
108 static inline unsigned __read_seqcount_begin(const seqcount_t *s)  in __read_seqcount_begin()  argument
113 	ret = READ_ONCE(s->sequence);  in __read_seqcount_begin()
130 static inline unsigned raw_read_seqcount(const seqcount_t *s)  in raw_read_seqcount()  argument
132 	unsigned ret = READ_ONCE(s->sequence);  in raw_read_seqcount()
146 static inline unsigned raw_read_seqcount_begin(const seqcount_t *s)  in raw_read_seqcount_begin()  argument
148 	unsigned ret = __read_seqcount_begin(s);  in raw_read_seqcount_begin()
162 static inline unsigned read_seqcount_begin(const seqcount_t *s)  in read_seqcount_begin()  argument
164 	seqcount_lockdep_reader_access(s);  in read_seqcount_begin()
165 	return raw_read_seqcount_begin(s);  in read_seqcount_begin()
182 static inline unsigned raw_seqcount_begin(const seqcount_t *s)  in raw_seqcount_begin()  argument
184 	unsigned ret = READ_ONCE(s->sequence);  in raw_seqcount_begin()
203 static inline int __read_seqcount_retry(const seqcount_t *s, unsigned start)  in __read_seqcount_retry()  argument
205 	return unlikely(s->sequence != start);  in __read_seqcount_retry()
218 static inline int read_seqcount_retry(const seqcount_t *s, unsigned start)  in read_seqcount_retry()  argument
221 	return __read_seqcount_retry(s, start);  in read_seqcount_retry()
226 static inline void raw_write_seqcount_begin(seqcount_t *s)  in raw_write_seqcount_begin()  argument
228 	s->sequence++;  in raw_write_seqcount_begin()
232 static inline void raw_write_seqcount_end(seqcount_t *s)  in raw_write_seqcount_end()  argument
235 	s->sequence++;  in raw_write_seqcount_end()
279 static inline void raw_write_seqcount_barrier(seqcount_t *s)  in raw_write_seqcount_barrier()  argument
281 	s->sequence++;  in raw_write_seqcount_barrier()
283 	s->sequence++;  in raw_write_seqcount_barrier()
286 static inline int raw_read_seqcount_latch(seqcount_t *s)  in raw_read_seqcount_latch()  argument
289 	int seq = READ_ONCE(s->sequence); /* ^^^ */  in raw_read_seqcount_latch()
370 static inline void raw_write_seqcount_latch(seqcount_t *s)  in raw_write_seqcount_latch()  argument
373        s->sequence++;  in raw_write_seqcount_latch()
381 static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass)  in write_seqcount_begin_nested()  argument
383 	raw_write_seqcount_begin(s);  in write_seqcount_begin_nested()
384 	seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_);  in write_seqcount_begin_nested()
387 static inline void write_seqcount_begin(seqcount_t *s)  in write_seqcount_begin()  argument
389 	write_seqcount_begin_nested(s, 0);  in write_seqcount_begin()
392 static inline void write_seqcount_end(seqcount_t *s)  in write_seqcount_end()  argument
394 	seqcount_release(&s->dep_map, 1, _RET_IP_);  in write_seqcount_end()
395 	raw_write_seqcount_end(s);  in write_seqcount_end()
405 static inline void write_seqcount_invalidate(seqcount_t *s)  in write_seqcount_invalidate()  argument
408 	s->sequence+=2;  in write_seqcount_invalidate()