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SubjectRe: [PATCH V2 09/20] nvdimm/namespace_label: Skip region label during ns label DPA reservation
On 13/08/25 04:09PM, Jonathan Cameron wrote:
>On Wed, 30 Jul 2025 17:41:58 +0530
>Neeraj Kumar <s.neeraj@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.neeraj@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!)

Sure Jonathan, I will fix it in next patch-set


Regards,
Neeraj
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