v_specnext
for (vp2 = *vpp; vp2 != NULL; vp2 = vp2->v_specnext) {
vp->v_specnext = *vpp;
for (vp = specfs_hash[SPECHASH(dev)]; vp; vp = vp->v_specnext) {
for (vp = specfs_hash[i]; vp; vp = vp->v_specnext) {
vpp = &(*vpp)->v_specnext) {
*vpp = vp->v_specnext;
vp->v_specnext = NULL;