vfs: now it can be done - make mnt_parent point to struct mount

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/mount.h b/fs/mount.h
index 5126c08..201dd61 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -2,7 +2,7 @@
 
 struct mount {
 	struct list_head mnt_hash;
-	struct vfsmount *mnt_parent;
+	struct mount *mnt_parent;
 	struct vfsmount mnt;
 };
 
@@ -13,7 +13,7 @@
 
 static inline int mnt_has_parent(struct mount *mnt)
 {
-	return &mnt->mnt != mnt->mnt_parent;
+	return mnt != mnt->mnt_parent;
 }
 
 extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int);