64 typedef struct seqcount {  struct
178 		seqcount_init(&____s->seqcount);			\
200 	seqcount_t		seqcount;				\
207 	return &s->seqcount;						\
213 	unsigned seq = READ_ONCE(s->seqcount.sequence);			\
226 		seq = READ_ONCE(s->seqcount.sequence);			\
286 	.seqcount		= SEQCNT_ZERO(seq_name.seqcount),	\
648 	seqcount_t seqcount;  member
656 	.seqcount		= SEQCNT_ZERO(seq_name.seqcount),	\
663 #define seqcount_latch_init(s) seqcount_init(&(s)->seqcount)
682 	return READ_ONCE(s->seqcount.sequence);  in raw_read_seqcount_latch()
696 	return unlikely(READ_ONCE(s->seqcount.sequence) != start);  in raw_read_seqcount_latch_retry()
783 	s->seqcount.sequence++;  in raw_write_seqcount_latch()
802 	seqcount_spinlock_t seqcount;  member
808 		.seqcount = SEQCNT_SPINLOCK_ZERO(lockname, &(lockname).lock), \
819 		seqcount_spinlock_init(&(sl)->seqcount, &(sl)->lock);	\
837 	unsigned ret = read_seqcount_begin(&sl->seqcount);  in read_seqbegin()
863 	return read_seqcount_retry(&sl->seqcount, start);  in read_seqretry()
888 	do_write_seqcount_begin(&sl->seqcount.seqcount);  in write_seqlock()
900 	do_write_seqcount_end(&sl->seqcount.seqcount);  in write_sequnlock()
914 	do_write_seqcount_begin(&sl->seqcount.seqcount);  in write_seqlock_bh()
927 	do_write_seqcount_end(&sl->seqcount.seqcount);  in write_sequnlock_bh()
941 	do_write_seqcount_begin(&sl->seqcount.seqcount);  in write_seqlock_irq()
953 	do_write_seqcount_end(&sl->seqcount.seqcount);  in write_sequnlock_irq()
962 	do_write_seqcount_begin(&sl->seqcount.seqcount);  in __write_seqlock_irqsave()
991 	do_write_seqcount_end(&sl->seqcount.seqcount);  in write_sequnlock_irqrestore()