403 	spinlock_t lock;  member
413 		.lock =	__SPIN_LOCK_UNLOCKED(lockname)	\
419 		spin_lock_init(&(x)->lock);		\
445 	spin_lock(&sl->lock);  in write_seqlock()
452 	spin_unlock(&sl->lock);  in write_sequnlock()
457 	spin_lock_bh(&sl->lock);  in write_seqlock_bh()
464 	spin_unlock_bh(&sl->lock);  in write_sequnlock_bh()
469 	spin_lock_irq(&sl->lock);  in write_seqlock_irq()
476 	spin_unlock_irq(&sl->lock);  in write_sequnlock_irq()
483 	spin_lock_irqsave(&sl->lock, flags);  in __write_seqlock_irqsave()
488 #define write_seqlock_irqsave(lock, flags)				\  argument
489 	do { flags = __write_seqlock_irqsave(lock); } while (0)
495 	spin_unlock_irqrestore(&sl->lock, flags);  in write_sequnlock_irqrestore()
505 	spin_lock(&sl->lock);  in read_seqlock_excl()
510 	spin_unlock(&sl->lock);  in read_sequnlock_excl()
523 static inline void read_seqbegin_or_lock(seqlock_t *lock, int *seq)  in read_seqbegin_or_lock()  argument
526 		*seq = read_seqbegin(lock);  in read_seqbegin_or_lock()
528 		read_seqlock_excl(lock);  in read_seqbegin_or_lock()
531 static inline int need_seqretry(seqlock_t *lock, int seq)  in need_seqretry()  argument
533 	return !(seq & 1) && read_seqretry(lock, seq);  in need_seqretry()
536 static inline void done_seqretry(seqlock_t *lock, int seq)  in done_seqretry()  argument
539 		read_sequnlock_excl(lock);  in done_seqretry()
544 	spin_lock_bh(&sl->lock);  in read_seqlock_excl_bh()
549 	spin_unlock_bh(&sl->lock);  in read_sequnlock_excl_bh()
554 	spin_lock_irq(&sl->lock);  in read_seqlock_excl_irq()
559 	spin_unlock_irq(&sl->lock);  in read_sequnlock_excl_irq()
566 	spin_lock_irqsave(&sl->lock, flags);  in __read_seqlock_excl_irqsave()
570 #define read_seqlock_excl_irqsave(lock, flags)				\  argument
571 	do { flags = __read_seqlock_excl_irqsave(lock); } while (0)
576 	spin_unlock_irqrestore(&sl->lock, flags);  in read_sequnlock_excl_irqrestore()
580 read_seqbegin_or_lock_irqsave(seqlock_t *lock, int *seq)  in read_seqbegin_or_lock_irqsave()  argument
585 		*seq = read_seqbegin(lock);  in read_seqbegin_or_lock_irqsave()
587 		read_seqlock_excl_irqsave(lock, flags);  in read_seqbegin_or_lock_irqsave()
593 done_seqretry_irqrestore(seqlock_t *lock, int seq, unsigned long flags)  in done_seqretry_irqrestore()  argument
596 		read_sequnlock_excl_irqrestore(lock, flags);  in done_seqretry_irqrestore()