From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C639BC76196 for ; Mon, 3 Apr 2023 03:29:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231128AbjDCD3A (ORCPT ); Sun, 2 Apr 2023 23:29:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43664 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231229AbjDCD2w (ORCPT ); Sun, 2 Apr 2023 23:28:52 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6839C4681 for ; Sun, 2 Apr 2023 20:28:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680492484; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zEUorhcJCP4eTV5i9gmTOnShTwWQaJkm0+Sy2bx605I=; b=EcMnrGdGSOzCNzHurznwtV7Q+PsCjcNCtDZpJLm2Pv6D5XAv9/rK2A3H8UsQzLYo/5VORH Rf/mQgUwGGqEQMsCRDrvlMdF0vu1WDWAn7SEzacNUvBcxMaRbU87J10c0ryD8eRDHazAoM os0VdSBK2XNU1p8+jT66zt5XF9V0eE4= Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-564-QJdC58qBMiSZMZCbLnmOXw-1; Sun, 02 Apr 2023 23:27:55 -0400 X-MC-Unique: QJdC58qBMiSZMZCbLnmOXw-1 Received: by mail-pf1-f199.google.com with SMTP id y186-20020a62cec3000000b00627df3d6ec4so12709400pfg.12 for ; Sun, 02 Apr 2023 20:27:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680492475; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zEUorhcJCP4eTV5i9gmTOnShTwWQaJkm0+Sy2bx605I=; b=KQI8n+/0jb9JrdA5LDsdk6O+DcczEhLDpQOXz9LTZhyfkvkG8R01FWzE4Y0T8tXPcf QpnK6JYKL073DRz0EkhPhxbOTyBFWTKgmAcRTgWqCBWW5UhambdcIkVVbXgvrouuuTwT crBeU3DzePFUYf5NJLFaKYwyebx+XVSV2he554+66Y1O6vAO247oQVdPCep1E75k2n1+ TsidTLnKkkPJlCg2PoHHpiW015ESw2ZII5QKEmcmbYL8U72tQ9Aak2mkNfdxo7Zjw71Y KGo/Je1LxRawUDpfwzn5BotzHUE3z2QZD7qKpdIKxNSPmIj5NnTwkjFR8vRs+YDh7hNz wsUg== X-Gm-Message-State: AO0yUKXfy6tsJDaY5UrQetS+K5hN9wgqNZqbsl43ZjgQaxUznM3F5sve fq7trSGG+ODESVFWy1sNOKYS1EJRvz3qvJcBzQJtxdzTZ88YfeCoplEWmZUAiBm4sHN3+EnjC/A ySQlNetxgHIK2qxMvspkVZm86 X-Received: by 2002:a05:6a20:8b9d:b0:dd:b941:5d90 with SMTP id m29-20020a056a208b9d00b000ddb9415d90mr29852856pzh.60.1680492474887; Sun, 02 Apr 2023 20:27:54 -0700 (PDT) X-Google-Smtp-Source: AK7set+Aw9qy1gCxyVuunFgi76rTmU9rp4S0qoZan45QMX21+8iAVTXQmaKPycUMXPmVQLIdXDUDeA== X-Received: by 2002:a05:6a20:8b9d:b0:dd:b941:5d90 with SMTP id m29-20020a056a208b9d00b000ddb9415d90mr29852831pzh.60.1680492474586; Sun, 02 Apr 2023 20:27:54 -0700 (PDT) Received: from [10.72.12.66] ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id k20-20020aa78214000000b006259e883ee9sm5626335pfi.189.2023.04.02.20.27.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 02 Apr 2023 20:27:54 -0700 (PDT) Message-ID: Date: Mon, 3 Apr 2023 11:27:42 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [RFC PATCH v2 37/48] ceph: Use sendmsg(MSG_SPLICE_PAGES) rather than sendpage() To: David Howells Cc: Matthew Wilcox , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Al Viro , Christoph Hellwig , Jens Axboe , Jeff Layton , Christian Brauner , Chuck Lever III , Linus Torvalds , netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Ilya Dryomov , ceph-devel@vger.kernel.org References: <7f7947d6-2a03-688b-dc5e-3887553f0106@redhat.com> <20230329141354.516864-1-dhowells@redhat.com> <20230329141354.516864-38-dhowells@redhat.com> <709552.1680158901@warthog.procyon.org.uk> Content-Language: en-US From: Xiubo Li In-Reply-To: <709552.1680158901@warthog.procyon.org.uk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/30/23 14:48, David Howells wrote: > Xiubo Li 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. Thanks - Xiubo > David >