> + struct ubi_sgl usgl;
Btw, what's in struct ubi_sgl? Can't find that in my tree.
> +static void ubiblock_do_work(struct work_struct *work)
> +{
> + int ret;
> + struct ubiblock_pdu *pdu = container_of(work, struct ubiblock_pdu,
> work);
> + struct request *req = blk_mq_rq_from_pdu(pdu);
> +
> + blk_mq_start_request(req);
> + blk_rq_map_sg(req->q, req, pdu->usgl.sg);
blk_rq_map_sg returns the number of entries actually mapped, which
might be smaller than the number passed in due to merging.
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