54 static inline void __seqcount_init(seqcount_t *s, const char *name,  in __seqcount_init()  argument
60 	lockdep_init_map(&s->dep_map, name, key, 0);  in __seqcount_init()
61 	s->sequence = 0;  in __seqcount_init()
68 # define seqcount_init(s)				\  argument
71 		__seqcount_init((s), #s, &__key);	\
74 static inline void seqcount_lockdep_reader_access(const seqcount_t *s)  in seqcount_lockdep_reader_access()  argument
76 	seqcount_t *l = (seqcount_t *)s;  in seqcount_lockdep_reader_access()
87 # define seqcount_init(s) __seqcount_init(s, NULL, NULL)  argument
107 static inline unsigned __read_seqcount_begin(const seqcount_t *s)  in __read_seqcount_begin()  argument
112 	ret = READ_ONCE(s->sequence);  in __read_seqcount_begin()
129 static inline unsigned raw_read_seqcount(const seqcount_t *s)  in raw_read_seqcount()  argument
131 	unsigned ret = READ_ONCE(s->sequence);  in raw_read_seqcount()
145 static inline unsigned raw_read_seqcount_begin(const seqcount_t *s)  in raw_read_seqcount_begin()  argument
147 	unsigned ret = __read_seqcount_begin(s);  in raw_read_seqcount_begin()
161 static inline unsigned read_seqcount_begin(const seqcount_t *s)  in read_seqcount_begin()  argument
163 	seqcount_lockdep_reader_access(s);  in read_seqcount_begin()
164 	return raw_read_seqcount_begin(s);  in read_seqcount_begin()
181 static inline unsigned raw_seqcount_begin(const seqcount_t *s)  in raw_seqcount_begin()  argument
183 	unsigned ret = READ_ONCE(s->sequence);  in raw_seqcount_begin()
202 static inline int __read_seqcount_retry(const seqcount_t *s, unsigned start)  in __read_seqcount_retry()  argument
204 	return unlikely(s->sequence != start);  in __read_seqcount_retry()
217 static inline int read_seqcount_retry(const seqcount_t *s, unsigned start)  in read_seqcount_retry()  argument
220 	return __read_seqcount_retry(s, start);  in read_seqcount_retry()
225 static inline void raw_write_seqcount_begin(seqcount_t *s)  in raw_write_seqcount_begin()  argument
227 	s->sequence++;  in raw_write_seqcount_begin()
231 static inline void raw_write_seqcount_end(seqcount_t *s)  in raw_write_seqcount_end()  argument
234 	s->sequence++;  in raw_write_seqcount_end()
271 static inline void raw_write_seqcount_barrier(seqcount_t *s)  in raw_write_seqcount_barrier()  argument
273 	s->sequence++;  in raw_write_seqcount_barrier()
275 	s->sequence++;  in raw_write_seqcount_barrier()
278 static inline int raw_read_seqcount_latch(seqcount_t *s)  in raw_read_seqcount_latch()  argument
280 	return lockless_dereference(s->sequence);  in raw_read_seqcount_latch()
360 static inline void raw_write_seqcount_latch(seqcount_t *s)  in raw_write_seqcount_latch()  argument
363        s->sequence++;  in raw_write_seqcount_latch()
371 static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass)  in write_seqcount_begin_nested()  argument
373 	raw_write_seqcount_begin(s);  in write_seqcount_begin_nested()
374 	seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_);  in write_seqcount_begin_nested()
377 static inline void write_seqcount_begin(seqcount_t *s)  in write_seqcount_begin()  argument
379 	write_seqcount_begin_nested(s, 0);  in write_seqcount_begin()
382 static inline void write_seqcount_end(seqcount_t *s)  in write_seqcount_end()  argument
384 	seqcount_release(&s->dep_map, 1, _RET_IP_);  in write_seqcount_end()
385 	raw_write_seqcount_end(s);  in write_seqcount_end()
395 static inline void write_seqcount_invalidate(seqcount_t *s)  in write_seqcount_invalidate()  argument
398 	s->sequence+=2;  in write_seqcount_invalidate()