linux-kernel - Re: [PATCH V5 04/17] nvdimm/label: Include region label in slot validation

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Message-ID: <69701ff9472f3_1a50d4100e2@iweiny-mobl.notmuch>
Date: Tue, 20 Jan 2026 18:38:17 -0600
From: Ira Weiny <ira.weiny@...el.com>
To: Neeraj Kumar <s.neeraj@...sung.com>, <linux-cxl@...r.kernel.org>,
	<nvdimm@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
	<gost.dev@...sung.com>
CC: <a.manzanares@...sung.com>, <vishak.g@...sung.com>,
	<neeraj.kernel@...il.com>, Neeraj Kumar <s.neeraj@...sung.com>
Subject: Re: [PATCH V5 04/17] nvdimm/label: Include region label in slot
 validation

Neeraj Kumar wrote:
> Prior to LSA 2.1 Support, label in slot means only namespace
> label. But with LSA 2.1 a label can be either namespace or
> region label.
> 
> Slot validation routine validates label slot by calculating
> label checksum. It was only validating namespace label.
> This changeset also validates region label if present.
> 
> In previous patch to_lsa_label() was introduced along with
> to_label(). to_label() returns only namespace label whereas
> to_lsa_label() returns union nd_lsa_label*
> 
> In this patch We have converted all usage of to_label()
> to to_lsa_label()
> 

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

[snip]