NUM_DSD_CHAIN
if ((more_dsd_lists + qpair->dsd_inuse) >= NUM_DSD_CHAIN) {
more_dsd_lists + qpair->dsd_inuse, NUM_DSD_CHAIN,
if ((more_dsd_lists + qpair->dsd_inuse) >= NUM_DSD_CHAIN) {
more_dsd_lists + qpair->dsd_inuse, NUM_DSD_CHAIN, cmd);