[RFC PATCH 09/20] nvdimm/namespace_label: Skip region label during ns label DPA reservation

From: Neeraj Kumar
Date: Tue Jun 17 2025 - 09:06:12 EST


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@xxxxxxxxxxx>
---
drivers/nvdimm/label.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/nvdimm/label.c b/drivers/nvdimm/label.c
index 22e13db1ca20..3a870798a90c 100644
--- a/drivers/nvdimm/label.c
+++ b/drivers/nvdimm/label.c
@@ -450,6 +450,10 @@ int nd_label_reserve_dpa(struct nvdimm_drvdata *ndd)
nd_label = to_label(ndd, slot);
ns_label = &nd_label->ns_label;

+ /* skip region label, dpa reservation for ns label only */
+ if (is_region_label(ndd, nd_label))
+ continue;
+
if (!slot_valid(ndd, nd_label, slot))
continue;

--
2.34.1