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

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On 12/7/23 2:01 PM, Jens Axboe wrote:
> 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.

Just an added symbol, applied.

-- 
Jens Axboe





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