DR_REMOVE
tdirdelete(parent, tp, nm, DR_REMOVE, cred);
} else if (op == DR_REMOVE) {
if (op == DR_REMOVE) {
(struct vnode *)0, DR_REMOVE, cr, ct);
(struct ud_inode *)0, (struct vnode *)0, DR_REMOVE, cr, ct);
} else if (op == DR_REMOVE) {
DR_REMOVE, cr);