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

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On 4/3/23 16:32, David Howells wrote:
Xiubo Li <xiubli@xxxxxxxxxx> wrote:

On 3/30/23 14:48, David Howells wrote:
Xiubo Li <xiubli@xxxxxxxxxx> 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.

Okay. Will run the test today. I was reinstalling my laptop last week.

Thanks

- Xiubo

David





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