linux-kernel - Re: [PATCH v2 0/2] Fix the initialization of max_hw_wzeroes_unmap

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Message-ID: <c7dd117e-6e3e-4b2d-a890-20f5c4bade2f@huaweicloud.com>
Date: Fri, 12 Sep 2025 14:16:10 +0800
From: Zhang Yi <yi.zhang@...weicloud.com>
To: axboe@...nel.dk
Cc: linux-block@...r.kernel.org, linux-raid@...r.kernel.org,
 drbd-dev@...ts.linbit.com, linux-fsdevel@...r.kernel.org,
 linux-kernel@...r.kernel.org, john.g.garry@...cle.com,
 pmenzel@...gen.mpg.de, hch@....de, martin.petersen@...cle.com,
 yi.zhang@...wei.com, yukuai3@...wei.com, yangerkun@...wei.com
Subject: Re: [PATCH v2 0/2] Fix the initialization of
 max_hw_wzeroes_unmap_sectors for stacking drivers

Hi, Jens!

Can you take this patch set through the linux-block tree?

Thanks,
Yi.

On 9/10/2025 7:11 PM, Zhang Yi wrote:
> From: Zhang Yi <yi.zhang@...wei.com>
> 
> Changes since v1:
>  - Improve commit messages in patch 1 by adding a simple reproduction
>    case as Paul suggested and explaining the implementation differences
>    between RAID 0 and RAID 1/10/5, no code changes.
> 
> v1: https://lore.kernel.org/linux-block/20250825083320.797165-1-yi.zhang@huaweicloud.com/
> 
> This series fixes the initialization of max_hw_wzeroes_unmap_sectors in
> queue_limits for all md raid and drbd drivers, preventing
> blk_validate_limits() failures on underlying devices that support the
> unmap write zeroes command.
> 
> Best regards,
> Yi.
> 
> Zhang Yi (2):
>   md: init queue_limits->max_hw_wzeroes_unmap_sectors parameter
>   drbd: init queue_limits->max_hw_wzeroes_unmap_sectors parameter
> 
>  drivers/block/drbd/drbd_nl.c | 1 +
>  drivers/md/md-linear.c       | 1 +
>  drivers/md/raid0.c           | 1 +
>  drivers/md/raid1.c           | 1 +
>  drivers/md/raid10.c          | 1 +
>  drivers/md/raid5.c           | 1 +
>  6 files changed, 6 insertions(+)
>