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

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
...@@ -2704,7 +2704,11 @@ static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ct ...@@ -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"); 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, off = snprintf(subsys->subnqn, NVMF_NQN_SIZE,
"nqn.2014.08.org.nvmexpress:%04x%04x", "nqn.2014.08.org.nvmexpress:%04x%04x",
le16_to_cpu(id->vid), le16_to_cpu(id->ssvid)); le16_to_cpu(id->vid), le16_to_cpu(id->ssvid));
......
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