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

Willem de Bruijn willemdebruijn.kernel at gmail.com
Mon Jun 19 04:46:53 PDT 2023


David Howells wrote:
> Willem de Bruijn <willemdebruijn.kernel at gmail.com> 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 at google.com>




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