linux-kernel - Re: [PATCH V4 07/17] nvdimm/label: Add region label delete support

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Message-ID: <1296674576.21768145102661.JavaMail.epsvc@epcpadp1new>
Date: Fri, 9 Jan 2026 17:26:33 +0530
From: Neeraj Kumar <s.neeraj@...sung.com>
To: Dave Jiang <dave.jiang@...el.com>
Cc: linux-cxl@...r.kernel.org, nvdimm@...ts.linux.dev,
	linux-kernel@...r.kernel.org, gost.dev@...sung.com,
	a.manzanares@...sung.com, vishak.g@...sung.com, neeraj.kernel@...il.com,
	cpgs@...sung.com
Subject: Re: [PATCH V4 07/17] nvdimm/label: Add region label delete support

On 19/11/25 12:50PM, Dave Jiang wrote:
>
>
>On 11/19/25 12:52 AM, Neeraj Kumar wrote:
>> Create export routine nd_region_label_delete() used for deleting
>> region label from LSA. It will be used later from CXL subsystem
>>
>> Signed-off-by: Neeraj Kumar <s.neeraj@...sung.com>
>
>Just one small thing below, otherwise
>Reviewed-by: Dave Jiang <dave.jiang@...el.com>
>
>> ---
>>  drivers/nvdimm/label.c          | 76 ++++++++++++++++++++++++++++++---
>>  drivers/nvdimm/label.h          |  1 +
>>  drivers/nvdimm/namespace_devs.c | 12 ++++++
>>  drivers/nvdimm/nd.h             |  6 +++
>>  include/linux/libnvdimm.h       |  1 +
>>  5 files changed, 90 insertions(+), 6 deletions(-)
>>

<snip>

>>
>> +int nd_region_label_delete(struct nd_region *nd_region)
>> +{
>> +	int rc;
>> +
>> +	nvdimm_bus_lock(&nd_region->dev);
>
>You can use the new nvdimm_bus guard() now.
>
>guard(nvdimm_bus)(&nd_region->dev);
>
>DJ

Hi Dave, Thanks for RB tag, I have fixed it in V5.


Regards,
Neeraj