Re: [PATCH v2 1/5] block: Rework bio_for_each_segment_all()

From: Kent Overstreet
Date: Tue Jun 06 2023 - 03:29:37 EST


On Tue, Jun 06, 2023 at 10:03:45AM +0800, Ming Lei wrote:
> On Mon, Jun 05, 2023 at 05:27:13PM -0400, 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().
>
> by-value is more readable & clean, the current by-reference is just for aligning
> with original interface.

This is the fourth or fifth time this patch set has been out on the
list, and I specifically asked you to review it awhile back, and you're
just now looking at it?