Commit 253a0b76 authored by Chaitanya Kulkarni's avatar Chaitanya Kulkarni Committed by Christoph Hellwig
Browse files

nvme-pci: use ctrl sgl check helper 



Use the helper to check NVMe controller's SGL support.

Signed-off-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent b61678bc

drivers/nvme/host/pci.c

+2 −2
Original line number Diff line number Diff line
@@ -536,7 +536,7 @@ static inline bool nvme_pci_use_sgls(struct nvme_dev *dev, struct request *req) 


	avg_seg_size = DIV_ROUND_UP(blk_rq_payload_bytes(req), nseg);



	if (!(dev->ctrl.sgls & ((1 << 0) | (1 << 1))))

	if (!nvme_ctrl_sgl_supported(&dev->ctrl))

		return false;

	if (!iod->nvmeq->qid)

		return false;
@@ -853,7 +853,7 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req, 
							     &cmnd->rw, &bv);



			if (iod->nvmeq->qid && sgl_threshold &&

			    dev->ctrl.sgls & ((1 << 0) | (1 << 1)))

			    nvme_ctrl_sgl_supported(&dev->ctrl))

				return nvme_setup_sgl_simple(dev, req,

							     &cmnd->rw, &bv);

		}