[PATCH] restore sane ->umount_begin() API

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cc2be2c..ad41d0b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1308,7 +1308,7 @@
 	int (*statfs) (struct dentry *, struct kstatfs *);
 	int (*remount_fs) (struct super_block *, int *, char *);
 	void (*clear_inode) (struct inode *);
-	void (*umount_begin) (struct vfsmount *, int);
+	void (*umount_begin) (struct super_block *);
 
 	int (*show_options)(struct seq_file *, struct vfsmount *);
 	int (*show_stats)(struct seq_file *, struct vfsmount *);