Lines Matching defs:mmb

457 void mmb_init(struct mapping_metadata_bhs *mmb, struct address_space *mapping)
459 	spin_lock_init(&mmb->lock);
460 	INIT_LIST_HEAD(&mmb->list);
461 	mmb->mapping = mapping;
465 static void __remove_assoc_queue(struct mapping_metadata_bhs *mmb,
468 	lockdep_assert_held(&mmb->lock);
476 	struct mapping_metadata_bhs *mmb;
488 		mmb = READ_ONCE(bh->b_mmb);
489 		if (mmb) {
490 			spin_lock(&mmb->lock);
491 			if (bh->b_mmb == mmb)
492 				__remove_assoc_queue(mmb, bh);
493 			spin_unlock(&mmb->lock);
499 bool mmb_has_buffers(struct mapping_metadata_bhs *mmb)
501 	return !list_empty(&mmb->list);
507  * @mmb: the list of buffers to write
510  * that I/O. Basically, this is a convenience function for fsync().  @mmb is
526 int mmb_sync(struct mapping_metadata_bhs *mmb)
533 	if (!mmb_has_buffers(mmb))
538 	spin_lock(&mmb->lock);
539 	while (!list_empty(&mmb->list)) {
540 		bh = BH_ENTRY(mmb->list.next);
541 		WARN_ON_ONCE(bh->b_mmb != mmb);
542 		__remove_assoc_queue(mmb, bh);
548 			bh->b_mmb = mmb;
551 				spin_unlock(&mmb->lock);
568 				spin_lock(&mmb->lock);
573 	spin_unlock(&mmb->lock);
575 	spin_lock(&mmb->lock);
580 		__remove_assoc_queue(mmb, bh);
585 			list_add(&bh->b_assoc_buffers, &mmb->list);
586 			bh->b_mmb = mmb;
588 		spin_unlock(&mmb->lock);
593 		spin_lock(&mmb->lock);
595 	spin_unlock(&mmb->lock);
622  * @mmb: The list of buffers to add the buffer to.
628 			   struct mapping_metadata_bhs *mmb)
632 		spin_lock(&mmb->lock);
637 		if (cmpxchg(&bh->b_mmb, NULL, mmb) != NULL) {
638 			spin_unlock(&mmb->lock);
641 		list_move_tail(&bh->b_assoc_buffers, &mmb->list);
642 		spin_unlock(&mmb->lock);
716 void mmb_invalidate(struct mapping_metadata_bhs *mmb)
718 	if (mmb_has_buffers(mmb)) {
719 		spin_lock(&mmb->lock);
720 		while (!list_empty(&mmb->list))
721 			__remove_assoc_queue(mmb, BH_ENTRY(mmb->list.next));
722 		spin_unlock(&mmb->lock);
1022 	struct mapping_metadata_bhs *mmb;
1028 	/* Protect us from mmb & inode getting freed while we work on it */
1030 	mmb = READ_ONCE(bh->b_mmb);
1031 	if (mmb)
1032 		mapping_set_error(mmb->mapping, -EIO);