53 static inline void __seqcount_init(seqcount_t *s, const char *name,  in __seqcount_init()  argument
59 	lockdep_init_map(&s->dep_map, name, key, 0);  in __seqcount_init()
60 	s->sequence = 0;  in __seqcount_init()
67 # define seqcount_init(s)				\  argument
70 		__seqcount_init((s), #s, &__key);	\
73 static inline void seqcount_lockdep_reader_access(const seqcount_t *s)  in seqcount_lockdep_reader_access()  argument
75 	seqcount_t *l = (seqcount_t *)s;  in seqcount_lockdep_reader_access()
86 # define seqcount_init(s) __seqcount_init(s, NULL, NULL)  argument
106 static inline unsigned __read_seqcount_begin(const seqcount_t *s)  in __read_seqcount_begin()  argument
111 	ret = READ_ONCE(s->sequence);  in __read_seqcount_begin()
128 static inline unsigned raw_read_seqcount(const seqcount_t *s)  in raw_read_seqcount()  argument
130 	unsigned ret = READ_ONCE(s->sequence);  in raw_read_seqcount()
144 static inline unsigned raw_read_seqcount_begin(const seqcount_t *s)  in raw_read_seqcount_begin()  argument
146 	unsigned ret = __read_seqcount_begin(s);  in raw_read_seqcount_begin()
160 static inline unsigned read_seqcount_begin(const seqcount_t *s)  in read_seqcount_begin()  argument
162 	seqcount_lockdep_reader_access(s);  in read_seqcount_begin()
163 	return raw_read_seqcount_begin(s);  in read_seqcount_begin()
180 static inline unsigned raw_seqcount_begin(const seqcount_t *s)  in raw_seqcount_begin()  argument
182 	unsigned ret = READ_ONCE(s->sequence);  in raw_seqcount_begin()
201 static inline int __read_seqcount_retry(const seqcount_t *s, unsigned start)  in __read_seqcount_retry()  argument
203 	return unlikely(s->sequence != start);  in __read_seqcount_retry()
216 static inline int read_seqcount_retry(const seqcount_t *s, unsigned start)  in read_seqcount_retry()  argument
219 	return __read_seqcount_retry(s, start);  in read_seqcount_retry()
224 static inline void raw_write_seqcount_begin(seqcount_t *s)  in raw_write_seqcount_begin()  argument
226 	s->sequence++;  in raw_write_seqcount_begin()
230 static inline void raw_write_seqcount_end(seqcount_t *s)  in raw_write_seqcount_end()  argument
233 	s->sequence++;  in raw_write_seqcount_end()
240 static inline void raw_write_seqcount_latch(seqcount_t *s)  in raw_write_seqcount_latch()  argument
243        s->sequence++;  in raw_write_seqcount_latch()
251 static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass)  in write_seqcount_begin_nested()  argument
253 	raw_write_seqcount_begin(s);  in write_seqcount_begin_nested()
254 	seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_);  in write_seqcount_begin_nested()
257 static inline void write_seqcount_begin(seqcount_t *s)  in write_seqcount_begin()  argument
259 	write_seqcount_begin_nested(s, 0);  in write_seqcount_begin()
262 static inline void write_seqcount_end(seqcount_t *s)  in write_seqcount_end()  argument
264 	seqcount_release(&s->dep_map, 1, _RET_IP_);  in write_seqcount_end()
265 	raw_write_seqcount_end(s);  in write_seqcount_end()
275 static inline void write_seqcount_invalidate(seqcount_t *s)  in write_seqcount_invalidate()  argument
278 	s->sequence+=2;  in write_seqcount_invalidate()