ddfs_gc_node: avoid multiple ets table lookups
ddfs_gc_node: avoid multiple ets table lookups

simudream/disco,oldmantaiter/disco,simudream/disco,ktkt2009/disco,mwilliams3/disco,pombredanne/disco,ErikDubbelboer/disco,seabirdzh/disco,beni55/disco,ktkt2009/disco,ErikDubbelboer/disco,ktkt2009/disco,beni55/disco,pombredanne/disco,beni55/disco,ErikDubbelboer/disco,oldmantaiter/disco,oldmantaiter/disco,seabirdzh/disco,ktkt2009/disco,pombredanne/disco,discoproject/disco,discoproject/disco,mozilla/disco,ErikDubbelboer/disco,mozilla/disco,ErikDubbelboer/disco,discoproject/disco,simudream/disco,mozilla/disco,mozilla/disco,simudream/disco,simudream/disco,oldmantaiter/disco,pooya/disco,pooya/disco,ktkt2009/disco,seabirdzh/disco,mwilliams3/disco,mwilliams3/disco,seabirdzh/disco,mwilliams3/disco,seabirdzh/disco,pooya/disco,pombredanne/disco,beni55/disco,beni55/disco,oldmantaiter/disco,discoproject/disco,pombredanne/disco,pooya/disco,mwilliams3/disco,discoproject/disco