On Wed, 30 Jul 2025 17:41:58 +0530
Neeraj Kumar <s.nee...@samsung.com> wrote:
> If Namespace label is present in LSA during nvdimm_probe then DPA
> reservation is required. But this reservation is not required by region
> label. Therefore if LSA scanning finds any region label, skip it.
>
> Signed-off-by: Neeraj Kumar <s.nee...@samsung.com>
> ---
> drivers/nvdimm/label.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
> index c4748e30f2b6..064a945dcdd1 100644
> --- a/drivers/nvdimm/label.c
> +++ b/drivers/nvdimm/label.c
> @@ -452,6 +452,10 @@ int nd_label_reserve_dpa(struct nvdimm_drvdata *ndd)
> lsa_label = to_label(ndd, slot);
> nd_label = &lsa_label->ns_label;
>
> + /* skip region label, dpa reservation for ns label only */
Confusing comment and not clear if skip applies just to region label or
to dpa reservation as well.
/* Skip region label. DPA reservation is for NS label only. */
or something along those lines (assuming I have understood this right!)
> + if (is_region_label(ndd, lsa_label))
> + continue;
> +
> if (!slot_valid(ndd, lsa_label, slot))
> continue;
>
