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

[Yu Kuai]

Hi,

在 2025/09/15 18:43, John Garry 写道:
> On 12/09/2025 07:16, Zhang Yi wrote:
> > Hi, Jens!
> >
> > Can you take this patch set through the linux-block tree?
>
>
> md raid maintainers,
>
> please try to get this picked up ASAP. As things stand, all these RAID 
> personalities will be broken for 6.17 on drives supporting/reporting 
> write zeroes.

Not sure if Jens missed this, I'll pick patch 1 later today if Jens
doesn't apply.

Thanks,
Kuai

> Thanks
>
> > Thanks,
> > Yi.
> >
> > On 9/10/2025 7:11 PM, Zhang Yi wrote:
> > > From: Zhang Yi <yi.zhang@xxxxxxxxxx>
> > >
> > > 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://urldefense.com/v3/__https://lore.kernel.org/linux-block/20250825083320.797165-1-yi.zhang@xxxxxxxxxxxxxxx/__;!!ACWV5N9M2RV99hQ!JAN4eq3ePrspeto0Hn7563lg3392Lh44jM1oTbgxbDoClxVOh5B73QhGD53f9tiLxuxfJCr51PyAP55COV2TTZAt$ 
> > >
> > >
> > > 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(+)
>
>
> .