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Tue, 06 Oct 2026 18:32:23 -0700 (PDT) From: Pavel Begunkov To: linux-block@vger.kernel.org Cc: asml.silence@gmail.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, Christoph Hellwig , Sumit Semwal , =?UTF-8?q?Christian=20K=C3=B6nig?= , Keith Busch , Sagi Grimberg , Alexander Viro , Christian Brauner , Jan Kara , Andrew Morton , Jens Axboe , Nitesh Shetty , Kanchan Joshi , Anuj Gupta , Tushar Gohad , William Power , Matthew Brost , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Benjamin Marzinski , dm-devel@lists.linux.dev Subject: [PATCH v8 08/13] nvme sgl fixup Date: Wed, 7 Oct 2026 02:31:51 +0100 Message-ID: X-Mailer: git-send-email 2.54.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Signed-off-by: Pavel Begunkov --- drivers/nvme/host/pci.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 651f7654d73b..79b3c1092e4d 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1287,16 +1287,15 @@ static blk_status_t nvme_rq_setup_dmabuf_sgl(struct request *req, struct nvme_queue *nvmeq, unsigned int entries) { struct nvme_iod *iod = blk_mq_rq_to_pdu(req); - struct bio *bio = req->bio; - struct nvme_dmabuf_map *map = to_nvme_dmabuf_map(bio->bi_dmabuf_map); + struct nvme_dmabuf_map *map = nvme_req_to_map(req); size_t length = blk_rq_payload_bytes(req); struct nvme_sgl_desc *sg_list = &iod->cmd.common.dptr.sgl; + size_t offset = req->bio->bi_iter.bi_offset; bool pooled = entries > 1; dma_addr_t sgl_dma = 0; unsigned int mapped = 0; unsigned long tmp; struct scatterlist *sg; - size_t offset = bio->bi_iter.bi_offset; size_t remaining = length; if (!entries) @@ -1305,8 +1304,6 @@ static blk_status_t nvme_rq_setup_dmabuf_sgl(struct request *req, iod->cmd.common.flags = NVME_CMD_SGL_METABUF; iod->total_len = length; - nvme_dmabuf_map_sync_for_device(nvmeq->dev, req); - /* entries == 1 fits in the inline descriptor; more needs a pool. */ if (pooled) { if (entries <= NVME_SMALL_POOL_SIZE / sizeof(*sg_list)) -- 2.54.0