netdev - Re: [PATCH 22/23] vring: use bvec_set

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Message-ID: <CACGkMEsPvy5jVWA7AHJkyRKa8-xr9oi4DUAzBcU0pQ_n4rqCFA@mail.gmail.com>
Date:   Tue, 31 Jan 2023 10:31:18 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Jens Axboe <axboe@...nel.dk>, Ilya Dryomov <idryomov@...il.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Minchan Kim <minchan@...nel.org>,
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        Chaitanya Kulkarni <kch@...dia.com>,
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Subject: Re: [PATCH 22/23] vring: use bvec_set_page to initialize a bvec

On Mon, Jan 30, 2023 at 5:23 PM Christoph Hellwig <hch@....de> wrote:
>
> Use the bvec_set_page helper to initialize a bvec.
>
> Signed-off-by: Christoph Hellwig <hch@....de>

A typo in the subject, should be "vringh".

Other than this

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks

> ---
>  drivers/vhost/vringh.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
> index 33eb941fcf1546..a1e27da544814a 100644
> --- a/drivers/vhost/vringh.c
> +++ b/drivers/vhost/vringh.c
> @@ -1126,9 +1126,8 @@ static int iotlb_translate(const struct vringh *vrh,
>                 size = map->size - addr + map->start;
>                 pa = map->addr + addr - map->start;
>                 pfn = pa >> PAGE_SHIFT;
> -               iov[ret].bv_page = pfn_to_page(pfn);
> -               iov[ret].bv_len = min(len - s, size);
> -               iov[ret].bv_offset = pa & (PAGE_SIZE - 1);
> +               bvec_set_page(&iov[ret], pfn_to_page(pfn), min(len - s, size),
> +                             pa & (PAGE_SIZE - 1));
>                 s += size;
>                 addr += size;
>                 ++ret;
> --
> 2.39.0
>