Commit b15c592d authored Mar 03, 2019 by Christoph Hellwig

nvme-pci: only call nvme_unmap_data for requests transferring data



This mirrors how nvme_map_pci is called and will allow simplifying some
checks in nvme_unmap_pci later on.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>

parent 7fe07d14

drivers/nvme/host/pci.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -929,6 +929,7 @@ static void nvme_pci_complete_rq(struct request *req)
		struct nvme_iod *iod = blk_mq_rq_to_pdu(req);

		nvme_cleanup_cmd(req);
		if (blk_rq_nr_phys_segments(req))
		nvme_unmap_data(iod->nvmeq->dev, req);
		nvme_complete_rq(req);
		}