nilfs2: set up s_bdi like the generic mount_bdev code

mapping->backing_dev_info will go away, so don't rely on it. Signed-off-by: Christoph Hellwig <[email protected]> Acked-by: Ryusuke Konishi <[email protected]> Reviewed-by: Tejun Heo <[email protected]> Reviewed-by: Jan Kara <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
jledet · Jan 20, 2015 · 26ff130 · 26ff130
1 parent 495a276
commit 26ff130
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
@@ -1057,7 +1057,6 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
 {
 	struct the_nilfs *nilfs;
 	struct nilfs_root *fsroot;
-	struct backing_dev_info *bdi;
 	__u64 cno;
 	int err;
 
@@ -1077,8 +1076,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_time_gran = 1;
 	sb->s_max_links = NILFS_LINK_MAX;
 
-	bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
-	sb->s_bdi = bdi ? : &default_backing_dev_info;
+	sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info;
 
 	err = load_nilfs(nilfs, sb);
 	if (err)