nilfs2: get rid of bdi from nilfs object

Nilfs now can use sb->s_bdi to get backing_dev_info, so we use it
instead of ns_bdi on the nilfs object and remove ns_bdi.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 92e8c769584c..8e77016bafae 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -910,6 +910,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
         struct the_nilfs *nilfs;
         struct nilfs_sb_info *sbi;
         struct nilfs_root *fsroot;
+        struct backing_dev_info *bdi;
         __u64 cno;
         int err;
 
@@ -948,7 +949,9 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
         sb->s_export_op = &nilfs_export_ops;
         sb->s_root = NULL;
         sb->s_time_gran = 1;
-        sb->s_bdi = nilfs->ns_bdi;
+
+        bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
+        sb->s_bdi = bdi ? : &default_backing_dev_info;
 
         err = load_nilfs(nilfs, sbi);
         if (err)