Re: [RFC PATCH 29/34] power/swap: use bio_new in hib_submit_io

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On Thu, Jan 28, 2021 at 8:21 AM Chaitanya Kulkarni
<chaitanya.kulkarni@xxxxxxx> wrote:
>

Please explain in the changelog why making this change is a good idea.

> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
> ---
>  kernel/power/swap.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/kernel/power/swap.c b/kernel/power/swap.c
> index c73f2e295167..e92e36c053a6 100644
> --- a/kernel/power/swap.c
> +++ b/kernel/power/swap.c
> @@ -271,13 +271,12 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr,
>                 struct hib_bio_batch *hb)
>  {
>         struct page *page = virt_to_page(addr);
> +       sector_t sect = page_off * (PAGE_SIZE >> 9);
>         struct bio *bio;
>         int error = 0;
>
> -       bio = bio_alloc(GFP_NOIO | __GFP_HIGH, 1);
> -       bio->bi_iter.bi_sector = page_off * (PAGE_SIZE >> 9);
> -       bio_set_dev(bio, hib_resume_bdev);
> -       bio_set_op_attrs(bio, op, op_flags);
> +       bio = bio_new(hib_resume_bdev, sect, op, op_flags, 1,
> +                     GFP_NOIO | __GFP_HIGH);
>
>         if (bio_add_page(bio, page, PAGE_SIZE, 0) < PAGE_SIZE) {
>                 pr_err("Adding page to bio failed at %llu\n",
> --
> 2.22.1
>



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