Commit 1abc6961 authored by Linjun Bao's avatar Linjun Bao Committed by Christoph Hellwig
Browse files

nvme: add comment for unaligned "fake" nqn 



Current "fake" nqn field is "nqn.2014.08.org.nvmexpress:", it is
not aligned with the canonical version for history reasons.

Signed-off-by: default avatarLinjun Bao <meljbao@gmail.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 91418cc4

drivers/nvme/host/core.c

+5 −1
Original line number Diff line number Diff line
@@ -2704,7 +2704,11 @@ static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ct 
			dev_warn(ctrl->device, "missing or invalid SUBNQN field.\n");

	}



	/* Generate a "fake" NQN per Figure 254 in NVMe 1.3 + ECN 001 */

	/*

	 * Generate a "fake" NQN similar to the one in Section 4.5 of the NVMe

	 * Base Specification 2.0.  It is slightly different from the format

	 * specified there due to historic reasons, and we can't change it now.

	 */

	off = snprintf(subsys->subnqn, NVMF_NQN_SIZE,

			"nqn.2014.08.org.nvmexpress:%04x%04x",

			le16_to_cpu(id->vid), le16_to_cpu(id->ssvid));