diff --git a/include/linux/fs.h b/include/linux/fs.h
index eca70cf..1d80ba7 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1101,7 +1101,7 @@
 	int (*statfs) (struct super_block *, struct kstatfs *);
 	int (*remount_fs) (struct super_block *, int *, char *);
 	void (*clear_inode) (struct inode *);
-	void (*umount_begin) (struct super_block *);
+	void (*umount_begin) (struct vfsmount *, int);
 
 	int (*show_options)(struct seq_file *, struct vfsmount *);
 	int (*show_stats)(struct seq_file *, struct vfsmount *);