On Fri, Dec 16, 2022 at 04:06:24PM +0100, Andreas Gruenbacher wrote:
> + if (page_ops && page_ops->page_prepare)
> + folio = page_ops->page_prepare(iter, pos, len);
> + else
> + folio = iomap_folio_prepare(iter, pos);
> + if (IS_ERR_OR_NULL(folio)) {
> + if (!folio)
> + return (iter->flags & IOMAP_NOWAIT) ? -EAGAIN : -ENOMEM;
> + return PTR_ERR(folio);
Wouldn't it be cleaner if iomap_folio_prepare() always
returned an ERR_PTR on failure?
