vtoli
struct loinfo *li = vtoli(vfsp);
struct loinfo *li = vtoli(vp->v_vfsp);
li = vtoli(vfsp);
*vpp = vtoli(vfsp)->li_rootvp;
struct loinfo *li = vtoli(vfsp);
struct loinfo *li = vtoli(dvp->v_vfsp);
nosub = (vtoli(dvp->v_vfsp)->li_flag & LO_NOSUB);
*vpp = makelonode(vp, vtoli(dvp->v_vfsp), 0);
dvp == vtoli(dvp->v_vfsp)->li_rootvp &&
*vpp = makelonode(rvp, vtoli(oldvp->v_vfsp), 0);
*vpp = makelonode(*vpp, vtoli(dvp->v_vfsp), 0);