283 	spinlock_t lock;  member
293 		.lock =	__SPIN_LOCK_UNLOCKED(lockname)	\
299 		spin_lock_init(&(x)->lock);		\
325 	spin_lock(&sl->lock);  in write_seqlock()
332 	spin_unlock(&sl->lock);  in write_sequnlock()
337 	spin_lock_bh(&sl->lock);  in write_seqlock_bh()
344 	spin_unlock_bh(&sl->lock);  in write_sequnlock_bh()
349 	spin_lock_irq(&sl->lock);  in write_seqlock_irq()
356 	spin_unlock_irq(&sl->lock);  in write_sequnlock_irq()
363 	spin_lock_irqsave(&sl->lock, flags);  in __write_seqlock_irqsave()
368 #define write_seqlock_irqsave(lock, flags)				\  argument
369 	do { flags = __write_seqlock_irqsave(lock); } while (0)
375 	spin_unlock_irqrestore(&sl->lock, flags);  in write_sequnlock_irqrestore()
385 	spin_lock(&sl->lock);  in read_seqlock_excl()
390 	spin_unlock(&sl->lock);  in read_sequnlock_excl()
403 static inline void read_seqbegin_or_lock(seqlock_t *lock, int *seq)  in read_seqbegin_or_lock()  argument
406 		*seq = read_seqbegin(lock);  in read_seqbegin_or_lock()
408 		read_seqlock_excl(lock);  in read_seqbegin_or_lock()
411 static inline int need_seqretry(seqlock_t *lock, int seq)  in need_seqretry()  argument
413 	return !(seq & 1) && read_seqretry(lock, seq);  in need_seqretry()
416 static inline void done_seqretry(seqlock_t *lock, int seq)  in done_seqretry()  argument
419 		read_sequnlock_excl(lock);  in done_seqretry()
424 	spin_lock_bh(&sl->lock);  in read_seqlock_excl_bh()
429 	spin_unlock_bh(&sl->lock);  in read_sequnlock_excl_bh()
434 	spin_lock_irq(&sl->lock);  in read_seqlock_excl_irq()
439 	spin_unlock_irq(&sl->lock);  in read_sequnlock_excl_irq()
446 	spin_lock_irqsave(&sl->lock, flags);  in __read_seqlock_excl_irqsave()
450 #define read_seqlock_excl_irqsave(lock, flags)				\  argument
451 	do { flags = __read_seqlock_excl_irqsave(lock); } while (0)
456 	spin_unlock_irqrestore(&sl->lock, flags);  in read_sequnlock_excl_irqrestore()
460 read_seqbegin_or_lock_irqsave(seqlock_t *lock, int *seq)  in read_seqbegin_or_lock_irqsave()  argument
465 		*seq = read_seqbegin(lock);  in read_seqbegin_or_lock_irqsave()
467 		read_seqlock_excl_irqsave(lock, flags);  in read_seqbegin_or_lock_irqsave()
473 done_seqretry_irqrestore(seqlock_t *lock, int seq, unsigned long flags)  in done_seqretry_irqrestore()  argument
476 		read_sequnlock_excl_irqrestore(lock, flags);  in done_seqretry_irqrestore()