142 null_hashins(mp, xp)  in null_hashins()  argument
144 	struct null_node *xp;
150 	hd = NULL_NHASH(xp->null_lowervp);
153 		if (oxp->null_lowervp == xp->null_lowervp &&
165 	LIST_INSERT_HEAD(hd, xp, null_hash);
171 null_destroy_proto(struct vnode *vp, void *xp)  in null_destroy_proto()  argument
182 	free(xp, M_NULLFSNODE);  in null_destroy_proto()
186 null_insmntque_dtr(struct vnode *vp, void *xp)  in null_insmntque_dtr()  argument
189 	vput(((struct null_node *)xp)->null_lowervp);  in null_insmntque_dtr()
190 	null_destroy_proto(vp, xp);  in null_insmntque_dtr()
207 	struct null_node *xp;  local
240 	xp = malloc(sizeof(struct null_node), M_NULLFSNODE, M_WAITOK);
245 		free(xp, M_NULLFSNODE);
249 	xp->null_vnode = vp;
250 	xp->null_lowervp = lowervp;
251 	xp->null_flags = 0;
253 	vp->v_data = xp;
255 	error = insmntque1(vp, mp, null_insmntque_dtr, xp);
283 	*vpp = null_hashins(mp, xp);
287 		null_destroy_proto(vp, xp);
299 null_hashrem(xp)  in null_hashrem()  argument
300 	struct null_node *xp;  in null_hashrem()
304 	LIST_REMOVE(xp, null_hash);