MLXCX_RQ_REFILL_STEP
if (cq->mlcq_bufcnt < MLXCX_RQ_REFILL_STEP) {
mlxcx_buffer_t *b[MLXCX_RQ_REFILL_STEP];
target = mlwq->mlwq_nents - MLXCX_RQ_REFILL_STEP;
if (current >= target - MLXCX_RQ_REFILL_STEP)
n = mlxcx_buf_take_n(mlxp, mlwq, b, MLXCX_RQ_REFILL_STEP);
if (current < MLXCX_RQ_REFILL_STEP &&