fhcmp
pn_res = puffs_pn_nodewalk(pu, fhcmp, fid);
fhcmp(&newfl->filehandle, &fl->filehandle) != 0)
if (fhcmp(&fl->filehandle, &filehandle) != 0)
fhcmp(&filehandle, &fl->filehandle) != 0 ||
fhcmp(&rfl->filehandle, &fl->filehandle) != 0)