Re: [PATCH net-next v2 10/17] nvme: Use sendmsg(MSG_SPLICE_PAGES) rather then sendpage

From: Willem de Bruijn
Date: Mon Jun 19 2023 - 07:47:08 EST


David Howells wrote:
> Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx> wrote:
>
> > struct bio_vec bvec;
> > struct msghdr msg = { .msg_flags = MSG_SPLICE_PAGES | ... };
> >
> > ..
> >
> > bvec_set_virt
> > iov_iter_bvec
> > sock_sendmsg
> >
> > is a frequent pattern. Does it make sense to define a wrapper? Same for bvec_set_page.
>
> I dunno. I'm trying to move towards aggregating multiple pages in a bvec
> before calling sendmsg if possible rather than doing it one page at a time,
> but it's easier and more obvious in some places than others.

Ok. I just wanted to have your opinion. Fine to leave as is.

Acked-by: Willem de Bruijn <willemb@xxxxxxxxxx>