linux-kernel - Re: [RFC PATCH v2 37/48] ceph: Use sendmsg(MSG_SPLICE

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Message-ID: <94f0894d-f72c-daa3-10e2-e83e0e15a759@redhat.com>
Date:   Fri, 31 Mar 2023 09:05:01 -0400
From:   Xiubo Li <xiubli@...hat.com>
To:     David Howells <dhowells@...hat.com>
Cc:     Matthew Wilcox <willy@...radead.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, Jeff Layton <jlayton@...nel.org>,
        Christian Brauner <brauner@...nel.org>,
        Chuck Lever III <chuck.lever@...cle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        netdev@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Ilya Dryomov <idryomov@...il.com>, ceph-devel@...r.kernel.org
Subject: Re: [RFC PATCH v2 37/48] ceph: Use sendmsg(MSG_SPLICE_PAGES) rather
 than sendpage()


On 3/30/23 02:48, David Howells wrote:
> Xiubo Li <xiubli@...hat.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.

Okay, I will check that.

Thanks.


> David
>