Re: [PATCH 1/3] block: Rework bio_for_each_segment_all()

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On 12/7/23 1:58 PM, Matthew Wilcox wrote:
> On Wed, Dec 06, 2023 at 03:40:38PM -0700, Jens Axboe wrote:
>> On 12/6/23 2:34 PM, Kent Overstreet wrote:
>>> On Wed, Nov 22, 2023 at 06:28:13PM -0500, Kent Overstreet wrote:
>>>> This patch reworks bio_for_each_segment_all() to be more inline with how
>>>> the other bio iterators work:
>>>>
>>>>  - bio_iter_all_peek() now returns a synthesized bio_vec; we don't stash
>>>>    one in the iterator and pass a pointer to it - bad. This way makes it
>>>>    clearer what's a constructed value vs. a reference to something
>>>>    pre-existing, and it also will help with cleaning up and
>>>>    consolidating code with bio_for_each_folio_all().
>>>>
>>>>  - We now provide bio_for_each_segment_all_continue(), for squashfs:
>>>>    this makes their code clearer.
>>>
>>> Jens, can we _please_ get this series merged so bcachefs isn't reaching
>>> into bio/bvec internals?
>>
>> Haven't gotten around to review it fully yet, and nobody else has either
>> fwiw. Would be nice with some reviews.
> 
> Could you apply this conflicting patch first, so it's easier to
> backport>
> 
> https://lore.kernel.org/linux-block/20230814144100.596749-1-willy@xxxxxxxxxxxxx/

Yep I guess we should... Doesn't apply directly though anymore. I'll
check later today why, or just send a refreshed version and we can get
that stashed away.

-- 
Jens Axboe





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