exptablehash
for (ex2 = ne->exptable[exptablehash(&fsid, &fid)]; ex2;
for (exi = ne->exptable[exptablehash(fsid, fid)];
for (exi = ne->exptable[exptablehash(fsid, fid)];
bckt = &ne->exptable[exptablehash(&exi->exi_fsid, &exi->exi_fid)];