NEXT_ADJ
ep = NEXT_ADJ(ep)) {
from_lock->l_sedge = NEXT_ADJ(ep);
ep = NEXT_ADJ(ep)) {
request->l_sedge = NEXT_ADJ(ep);
ep = NEXT_ADJ(ep)) {
ep = NEXT_ADJ(ep);
nep = NEXT_ADJ(ep);
ep = NEXT_ADJ(ep);
ep = NEXT_ADJ(ep);
ep = NEXT_ADJ(ep)) {
ep = NEXT_ADJ(ep);