vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 2a1a9e63cffa..b739b210a616 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4781,7 +4781,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id,
                 return -EINVAL;
 
         /* Quotafile not on the same filesystem? */
-        if (path->mnt->mnt_sb != sb)
+        if (path->dentry->d_sb != sb)
                 return -EXDEV;
         /* Journaling quota? */
         if (EXT4_SB(sb)->s_qf_names[type]) {