Re: [PATCH v1 5/6] bio: add a helper calculating nr segments to alloc

Pavel Begunkov
2020-12-15T01:11:55Z

On 15/12/2020 01:00, Dave Chinner wrote:
> On Tue, Dec 15, 2020 at 12:20:24AM +0000, Pavel Begunkov wrote:
>> A preparation patch. It adds a simple helper which abstracts out number
>> of segments we're allocating for a bio from iov_iter_npages().
>
> Preparation for what? bio_iov_vecs_to_alloc() doesn't seem to be
> used outside this specific patch, so it's not clear what it's
> actually needed for...

Yes, it's not used, but modified in [6/6]. It's here to generilise
these bits of iomap and block dio, so we can change the behaviour in
one place.

--
Pavel Begunkov