From: Andrew Morton <akpm@linux-foundation.org>

Cc: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/super.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff -puN fs/super.c~keep-track-of-mnt_writer-state-of-struct-file-fix-warn_on-fix fs/super.c
--- a/fs/super.c~keep-track-of-mnt_writer-state-of-struct-file-fix-warn_on-fix
+++ a/fs/super.c
@@ -570,7 +570,8 @@ static void mark_files_ro(struct super_b
 retry:
 	file_list_lock();
 	list_for_each_entry(f, &sb->s_files, f_u.fu_list) {
-		struct vfsmount mnt;
+		struct vfsmount *mnt;
+
 		if (!S_ISREG(f->f_path.dentry->d_inode->i_mode))
 		       continue;
 		if (!file_count(f))
_