48 typedef struct seqcount {  struct
405 	struct seqcount seqcount;  member
415 		.seqcount = SEQCNT_ZERO(lockname),	\
421 		seqcount_init(&(x)->seqcount);		\
433 	return read_seqcount_begin(&sl->seqcount);  in read_seqbegin()
438 	return read_seqcount_retry(&sl->seqcount, start);  in read_seqretry()
449 	write_seqcount_begin(&sl->seqcount);  in write_seqlock()
454 	write_seqcount_end(&sl->seqcount);  in write_sequnlock()
461 	write_seqcount_begin(&sl->seqcount);  in write_seqlock_bh()
466 	write_seqcount_end(&sl->seqcount);  in write_sequnlock_bh()
473 	write_seqcount_begin(&sl->seqcount);  in write_seqlock_irq()
478 	write_seqcount_end(&sl->seqcount);  in write_sequnlock_irq()
487 	write_seqcount_begin(&sl->seqcount);  in __write_seqlock_irqsave()
497 	write_seqcount_end(&sl->seqcount);  in write_sequnlock_irqrestore()