vfs: dentry_reset_mounted() doesn't use vfsmount argument

lose it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namespace.c b/fs/namespace.c
index 0953a3a..ed21ac4 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -523,7 +523,7 @@
  * Clear dentry's mounted state if it has no remaining mounts.
  * vfsmount_lock must be held for write.
  */
-static void dentry_reset_mounted(struct vfsmount *mnt, struct dentry *dentry)
+static void dentry_reset_mounted(struct dentry *dentry)
 {
 	unsigned u;
 
@@ -551,7 +551,7 @@
 	mnt->mnt_mountpoint = mnt->mnt_root;
 	list_del_init(&mnt->mnt_child);
 	list_del_init(&mnt->mnt_hash);
-	dentry_reset_mounted(old_path->mnt, old_path->dentry);
+	dentry_reset_mounted(old_path->dentry);
 }
 
 /*
@@ -1224,7 +1224,7 @@
 		list_del_init(&p->mnt_child);
 		if (mnt_has_parent(p)) {
 			p->mnt_parent->mnt_ghosts++;
-			dentry_reset_mounted(p->mnt_parent, p->mnt_mountpoint);
+			dentry_reset_mounted(p->mnt_mountpoint);
 		}
 		change_mnt_propagation(p, MS_PRIVATE);
 	}