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-rw-r--r--fs/buffer.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index f65ef8821c73..35527dca1dbc 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -452,6 +452,7 @@ static void end_buffer_async_write(struct buffer_head *bh, int uptodate)
452 bdevname(bh->b_bdev, b)); 452 bdevname(bh->b_bdev, b));
453 } 453 }
454 set_bit(AS_EIO, &page->mapping->flags); 454 set_bit(AS_EIO, &page->mapping->flags);
455 set_buffer_write_io_error(bh);
455 clear_buffer_uptodate(bh); 456 clear_buffer_uptodate(bh);
456 SetPageError(page); 457 SetPageError(page);
457 } 458 }
@@ -571,6 +572,10 @@ EXPORT_SYMBOL(mark_buffer_async_write);
571static inline void __remove_assoc_queue(struct buffer_head *bh) 572static inline void __remove_assoc_queue(struct buffer_head *bh)
572{ 573{
573 list_del_init(&bh->b_assoc_buffers); 574 list_del_init(&bh->b_assoc_buffers);
575 WARN_ON(!bh->b_assoc_map);
576 if (buffer_write_io_error(bh))
577 set_bit(AS_EIO, &bh->b_assoc_map->flags);
578 bh->b_assoc_map = NULL;
574} 579}
575 580
576int inode_has_buffers(struct inode *inode) 581int inode_has_buffers(struct inode *inode)
@@ -669,6 +674,7 @@ void mark_buffer_dirty_inode(struct buffer_head *bh, struct inode *inode)
669 spin_lock(&buffer_mapping->private_lock); 674 spin_lock(&buffer_mapping->private_lock);
670 list_move_tail(&bh->b_assoc_buffers, 675 list_move_tail(&bh->b_assoc_buffers,
671 &mapping->private_list); 676 &mapping->private_list);
677 bh->b_assoc_map = mapping;
672 spin_unlock(&buffer_mapping->private_lock); 678 spin_unlock(&buffer_mapping->private_lock);
673 } 679 }
674} 680}
@@ -765,7 +771,7 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)
765 spin_lock(lock); 771 spin_lock(lock);
766 while (!list_empty(list)) { 772 while (!list_empty(list)) {
767 bh = BH_ENTRY(list->next); 773 bh = BH_ENTRY(list->next);
768 list_del_init(&bh->b_assoc_buffers); 774 __remove_assoc_queue(bh);
769 if (buffer_dirty(bh) || buffer_locked(bh)) { 775 if (buffer_dirty(bh) || buffer_locked(bh)) {
770 list_add(&bh->b_assoc_buffers, &tmp); 776 list_add(&bh->b_assoc_buffers, &tmp);
771 if (buffer_dirty(bh)) { 777 if (buffer_dirty(bh)) {
@@ -786,7 +792,7 @@ static int fsync_buffers_list(spinlock_t *lock, struct list_head *list)
786 792
787 while (!list_empty(&tmp)) { 793 while (!list_empty(&tmp)) {
788 bh = BH_ENTRY(tmp.prev); 794 bh = BH_ENTRY(tmp.prev);
789 __remove_assoc_queue(bh); 795 list_del_init(&bh->b_assoc_buffers);
790 get_bh(bh); 796 get_bh(bh);
791 spin_unlock(lock); 797 spin_unlock(lock);
792 wait_on_buffer(bh); 798 wait_on_buffer(bh);
@@ -1167,6 +1173,7 @@ void __bforget(struct buffer_head *bh)
1167 1173
1168 spin_lock(&buffer_mapping->private_lock); 1174 spin_lock(&buffer_mapping->private_lock);
1169 list_del_init(&bh->b_assoc_buffers); 1175 list_del_init(&bh->b_assoc_buffers);
1176 bh->b_assoc_map = NULL;
1170 spin_unlock(&buffer_mapping->private_lock); 1177 spin_unlock(&buffer_mapping->private_lock);
1171 } 1178 }
1172 __brelse(bh); 1179 __brelse(bh);