Re: [PATCH V5 01/17] nvdimm/label: Introduce NDD_REGION_LABELING flag to set region label

Ira Weiny
2026-01-14T21:19:41Z

Neeraj Kumar wrote:
> Prior to LSA 2.1 version, LSA contain only namespace labels. LSA 2.1
> introduced in CXL 2.0 Spec, which contain region label along with
> namespace label.
>
> NDD_LABELING flag is used for namespace. Introduced NDD_REGION_LABELING
> flag for region label. Based on these flags nvdimm driver performs
> operation on namespace label or region label.
>
> NDD_REGION_LABELING will be utilized by cxl driver to enable LSA 2.1
> region label support
>
> Accordingly updated label index version
>
> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
> Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> Signed-off-by: Neeraj Kumar <s.neeraj@samsung.com>

Reviewed-by: Ira Weiny <ira.weiny@intel.com>

[snip]