[PATCH v2 0/2] Fix the initialization of max_hw_wzeroes_unmap_sectors for stacking drivers

[Zhang Yi]

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 at huawei.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(+)
>