OS_GET_IO_QINDEX
#define OS_GET_IO_RESP_QID(softs,rcb) (softs->op_ob_q[(OS_GET_IO_QINDEX(softs,rcb))].q_id)
#define OS_GET_IO_REQ_QINDEX(softs,rcb) OS_GET_IO_QINDEX(softs,rcb)