On 9/3/25 9:59 AM, Yu Kuai wrote:
> 在 2025/9/3 21:34, Christoph Hellwig 写道:
>>> +        if (split && !bdev_is_zoned(bio->bi_bdev))
 >>
>> Why are zoned devices special cased here?
>>
> I'm not that sure about zoned device before, I'll remove this checking,
> and mention the problem Bart met in commit message in the next version.

If I keep the bdev_is_zoned() check, test zbd/014 fails. If I remove it,
test zbd/014 passes. I think that's a strong argument to remove that
check. Test zbd/014 is not yet in the blktests repository but is
available here:
https://lore.kernel.org/linux-block/a8a714c7-de3d-4cc9-8c23-38b8dc06f5bb@acm.org/

Thanks,

Bart.