implement pipelined reads, increment lastfetch when you start a read then increment lastack when it finishes
implement pipelined reads, increment lastfetch when you start a read
then increment lastack when it finishes

chenm001/connectal,chenm001/connectal,chenm001/connectal,cambridgehackers/connectal,8l/connectal,csail-csg/connectal,hanw/connectal,cambridgehackers/connectal,chenm001/connectal,8l/connectal,8l/connectal,hanw/connectal,8l/connectal,csail-csg/connectal,hanw/connectal,cambridgehackers/connectal,8l/connectal,chenm001/connectal,hanw/connectal,hanw/connectal,csail-csg/connectal,cambridgehackers/connectal,csail-csg/connectal,csail-csg/connectal,cambridgehackers/connectal