Commit 8736e00f authored by Shuhei Matsumoto's avatar Shuhei Matsumoto Committed by Darek Stojaczyk
Browse files

bdev/nvme: Set variables about metadata and DIF at NVMe bdev initialization 



Metadata location and DIF type are set only if there is metadata, and
DIF location is set only if DIF is enabled.

Change-Id: Ib684b54332820446ff1a0b609f5b4e0b3d42f2f9
Signed-off-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/443344


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarDarek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 55be9a57

lib/bdev/nvme/bdev_nvme.c

+11 −0
Original line number Diff line number Diff line
@@ -750,6 +750,7 @@ nvme_ctrlr_create_bdev(struct nvme_ctrlr *nvme_ctrlr, uint32_t nsid) 
	struct spdk_nvme_ns	*ns;

	const struct spdk_uuid	*uuid;

	const struct spdk_nvme_ctrlr_data *cdata;

	const struct spdk_nvme_ns_data *nsdata;

	int			rc;



	cdata = spdk_nvme_ctrlr_get_data(ctrlr);
@@ -789,6 +790,16 @@ nvme_ctrlr_create_bdev(struct nvme_ctrlr *nvme_ctrlr, uint32_t nsid) 
		bdev->disk.uuid = *uuid;

	}



	bdev->disk.md_len = spdk_nvme_ns_get_md_size(ns);

	if (bdev->disk.md_len != 0) {

		nsdata = spdk_nvme_ns_get_data(ns);

		bdev->disk.md_interleave = nsdata->flbas.extended;

		bdev->disk.dif_type = (enum spdk_dif_type)spdk_nvme_ns_get_pi_type(ns);

		if (bdev->disk.dif_type != SPDK_DIF_DISABLE) {

			bdev->disk.dif_is_head_of_md = nsdata->dps.md_start;

		}

	}



	bdev->disk.ctxt = bdev;

	bdev->disk.fn_table = &nvmelib_fn_table;

	bdev->disk.module = &nvme_if;