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

[Mike Snitzer]

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