[dm-devel] [bug report] BUG for REQ_OP_WRITE_ZEROES to dm-zoned

[Damien Le Moal]

On 4/15/22 01:47, Mike Snitzer wrote:
> On Thu, Apr 14 2022 at 12:29P -0400,
> Mike Snitzer <snitzer at kernel.org> wrote:
>  
>> Thanks for the report, I've staged a fix here (btw, your change above
>> needs to be paired with the 2nd hunk of my fix otherwise you won't get
>> the bio split you desire):
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.18&id=3dfb6f5e95f26215ca08d348ca2ddb5ea6ea2349
>>
>> I'll be sending this to Linus later today or tomorrow.
> 
> FYI, I revised that commit with further cleanup to not pass
> 'unsigned *len' to alloc_multiple_bios(), this commit is what will be
> sent upstream soon:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.18&id=c2228f993c7592783b0a2bf7d169b17dfa4cbe2a

Looks good to me.

Nit: there is a typo in the commit message:

dm_accept_paertial_bio() -> dm_accept_partial_bio()

Feel free to add:

Reviewed-by: Damien Le Moal <damien.lemoal at opensource.wdc.com>

> 
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-- 
Damien Le Moal
Western Digital Research