Re: [PATCH RFC 11/12] vringh: allow vringh_iov_xfer() to skip bytes when ptr is NULL

[Stefano Garzarella]

On Mon, Nov 16, 2020 at 12:32:02PM +0800, Jason Wang wrote:
> On 2020/11/13 下午9:47, Stefano Garzarella wrote:
> > In some cases, it may be useful to provide a way to skip a number
> > of bytes in a vringh_iov.
> >
> > In order to keep vringh_iov consistent, let's reuse vringh_iov_xfer()
> > logic and skip bytes when the ptr is NULL.
> >
> > Signed-off-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
> > ---
> >
> > I'm not sure if this is the best option, maybe we can add a new
> > function vringh_iov_skip().
> >
> > Suggestions?
>
>
> I might be worth to check whether we can convert vringh_iov to use iov 
> iterator then we can use iov_iterator_advance() here.

Make sense, I'll take a look.

Thanks for the suggestion,
Stefano