Re: [RFC PATCH v2 37/48] ceph: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage()

David Howells
2023-04-03T08:34:05Z

Xiubo Li <xiubli@redhat.com> wrote:

> On 3/30/23 14:48, David Howells wrote:
> > Xiubo Li <xiubli@redhat.com> wrote:
> >
> >> BTW, will this two patch depend on the others in this patch series ?
> > Yes. You'll need patches that affect TCP at least so that TCP supports
> > MSG_SPLICE_PAGES, so 04-08 and perhaps 09. It's also on top of the
> > patches that remove ITER_PIPE on my iov-extract branch, but I don't think
> > that should affect you.
>
> Why I asked this is because I only could see these two ceph relevant patches
> currently.

Depends on how you defined 'relevant', I guess. Only two patches modify ceph
directly, but there's a dependency: to make those work, TCP needs altering
also.

David