Re: [PATCH 2/2] block: Split and submit bios in LBA order

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On Fri, Mar 17, 2023 at 04:45:46PM -0700, Bart Van Assche wrote:
> On 3/17/23 16:38, Ming Lei wrote:
> > On Fri, Mar 17, 2023 at 12:59:38PM -0700, Bart Van Assche wrote:
> > > Instead of submitting the bio fragment with the highest LBA first,
> > > submit the bio fragment with the lowest LBA first. If plugging is
> > > active, append requests at the end of the list with plugged requests
> > > instead of at the start. This approach prevents write errors when
> > > submitting large bios to host-managed zoned block devices.
> > 
> > zoned pages are added via bio_add_zone_append_page(), which is supposed
> > to not call into split code path, do you have such error log?
> 
> Hi Ming,
> 
> Thanks for having taken a look. This patch series is intended for
> REQ_OP_WRITE requests and not for REQ_OP_ZONE_APPEND requests.

But you are talking about host-managed zoned device, and the write
should have to be zone append, right?

Thanks,
Ming




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