queue_max_segment_size
if (len > queue_max_segment_size(q) - bv->bv_len)
if (seg_size + iv.bv_len > queue_max_segment_size(q))
QUEUE_LIM_RO_ENTRY(queue_max_segment_size, "max_segment_size");
dma_set_max_seg_size(mmc_dev(host), queue_max_segment_size(mq->queue));