140 null_hashins(mp, xp)  in null_hashins()  argument
142 	struct null_node *xp;
148 	hd = NULL_NHASH(xp->null_lowervp);
151 		if (oxp->null_lowervp == xp->null_lowervp &&
163 	LIST_INSERT_HEAD(hd, xp, null_hash);
169 null_destroy_proto(struct vnode *vp, void *xp)  in null_destroy_proto()  argument
180 	free(xp, M_NULLFSNODE);  in null_destroy_proto()
184 null_insmntque_dtr(struct vnode *vp, void *xp)  in null_insmntque_dtr()  argument
187 	vput(((struct null_node *)xp)->null_lowervp);  in null_insmntque_dtr()
188 	null_destroy_proto(vp, xp);  in null_insmntque_dtr()
205 	struct null_node *xp;  local
241 	xp = malloc(sizeof(struct null_node), M_NULLFSNODE, M_WAITOK);
246 		free(xp, M_NULLFSNODE);
250 	xp->null_vnode = vp;
251 	xp->null_lowervp = lowervp;
252 	xp->null_flags = 0;
254 	vp->v_data = xp;
256 	error = insmntque1(vp, mp, null_insmntque_dtr, xp);
263 	*vpp = null_hashins(mp, xp);
266 		null_destroy_proto(vp, xp);
278 null_hashrem(xp)  in null_hashrem()  argument
279 	struct null_node *xp;  in null_hashrem()
283 	LIST_REMOVE(xp, null_hash);