[PATCH 01/23] block: factor out a bvec_set_page helper

[Christoph Hellwig]

On Mon, Jan 30, 2023 at 10:33:36AM +0000, David Howells wrote:
> Christoph Hellwig <hch at lst.de> wrote:
> 
> > +static inline void bvec_set_page(struct bio_vec *bv, struct page *page,
> > +		unsigned int len, unsigned int offset)
> 
> Could you swap len and offset around?  It reads better offset first.  You move
> offset into the page and then do something with len bytes.

This matches bio_add_page and the order inside bio_vec itself.  willy
wanted to switch it around for bio_add_folio but Jens didn't like it,
so I'll stick to the current convention in this area as well.