Commit b2dc748a authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

nvme: move nvme_validate_ns



Move nvme_validate_ns just above its only remaining caller.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarKeith Busch <kbusch@kernel.org>
Reviewed-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
parent 8b7c0ff2
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+37 −37
Original line number Diff line number Diff line
@@ -2156,43 +2156,6 @@ out_unfreeze:
	return ret;
}

static int nvme_validate_ns(struct nvme_ns *ns, struct nvme_ns_ids *ids)
{
	struct nvme_ctrl *ctrl = ns->ctrl;
	struct nvme_id_ns *id;
	int ret = 0;

	if (test_bit(NVME_NS_DEAD, &ns->flags)) {
		set_capacity(ns->disk, 0);
		return -ENODEV;
	}

	ret = nvme_identify_ns(ctrl, ns->head->ns_id, ids, &id);
	if (ret)
		goto out;

	if (!nvme_ns_ids_equal(&ns->head->ids, ids)) {
		dev_err(ctrl->device,
			"identifiers changed for nsid %d\n", ns->head->ns_id);
		ret = -ENODEV;
		goto free_id;
	}

	ret = nvme_update_ns_info(ns, id);
free_id:
	kfree(id);
out:
	/*
	 * Only fail the function if we got a fatal error back from the
	 * device, otherwise ignore the error and just move on.
	 */
	if (ret == -ENOMEM || (ret > 0 && !(ret & NVME_SC_DNR)))
		ret = 0;
	else if (ret > 0)
		ret = blk_status_to_errno(nvme_error_status(ret));
	return ret;
}

static char nvme_pr_type(enum pr_type type)
{
	switch (type) {
@@ -3973,6 +3936,43 @@ static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid)
	}
}

static int nvme_validate_ns(struct nvme_ns *ns, struct nvme_ns_ids *ids)
{
	struct nvme_ctrl *ctrl = ns->ctrl;
	struct nvme_id_ns *id;
	int ret = 0;

	if (test_bit(NVME_NS_DEAD, &ns->flags)) {
		set_capacity(ns->disk, 0);
		return -ENODEV;
	}

	ret = nvme_identify_ns(ctrl, ns->head->ns_id, ids, &id);
	if (ret)
		goto out;

	if (!nvme_ns_ids_equal(&ns->head->ids, ids)) {
		dev_err(ctrl->device,
			"identifiers changed for nsid %d\n", ns->head->ns_id);
		ret = -ENODEV;
		goto free_id;
	}

	ret = nvme_update_ns_info(ns, id);
free_id:
	kfree(id);
out:
	/*
	 * Only fail the function if we got a fatal error back from the
	 * device, otherwise ignore the error and just move on.
	 */
	if (ret == -ENOMEM || (ret > 0 && !(ret & NVME_SC_DNR)))
		ret = 0;
	else if (ret > 0)
		ret = blk_status_to_errno(nvme_error_status(ret));
	return ret;
}

static void nvme_validate_or_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
{
	struct nvme_ns_ids ids = { };