Re: [PATCHv3 2/7] blk-mq-dma: provide the bio_vec list being iterated
From: Kanchan Joshi <hidden>
Date: 2025-07-30 12:15:43
Also in:
linux-block
On 7/29/2025 8:04 PM, Keith Busch wrote:
quoted hunk ↗ jump to hunk
@@ -151,6 +146,11 @@ bool blk_rq_dma_map_iter_start(struct request *req, struct device *dma_dev, memset(&iter->p2pdma, 0, sizeof(iter->p2pdma)); iter->status = BLK_STS_OK; + if (req->rq_flags & RQF_SPECIAL_PAYLOAD) + iter->iter.bvec = &req->special_vec;
I am not certain yet, but thinking whether this is enough to handle RQF_SPECIAL_PAYLOAD correctly. Maybe "req->special_vec.bv_len" also need to be included here to initialize the iter.