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 794CFC76196 for ; Fri, 31 Mar 2023 13:06:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232726AbjCaNGM (ORCPT ); Fri, 31 Mar 2023 09:06:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232712AbjCaNGJ (ORCPT ); Fri, 31 Mar 2023 09:06:09 -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 38B0ABBB4 for ; Fri, 31 Mar 2023 06:05:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1680267920; 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=hgW8cTlK+PJOT8RKw+ZUtnYCCPaowJ5bRdHT0sOdQqU=; b=GKAcC+rzVs1W5lZ8eR44P9KPI686kEUBsrNi4GXoHT7Aopd+thSYit76fQCkFJdRjpPR6W wwkOldCmk1kz2zfJF25QFsJSPyvSrs8kWlrbJh1609u9ATxQ+hjKEM0W+czda0PGsfkwxa al89+n5fFwfOKpPkLkY1CbYTQ9u7OJk= Received: from mail-pj1-f70.google.com (mail-pj1-f70.google.com [209.85.216.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-552-UfOJmdo_N4SPC7StJeuosg-1; Fri, 31 Mar 2023 09:05:19 -0400 X-MC-Unique: UfOJmdo_N4SPC7StJeuosg-1 Received: by mail-pj1-f70.google.com with SMTP id d5-20020a17090a7bc500b0023d3366e005so6320741pjl.6 for ; Fri, 31 Mar 2023 06:05:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680267918; 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=hgW8cTlK+PJOT8RKw+ZUtnYCCPaowJ5bRdHT0sOdQqU=; b=3NoGumPB7Z/YtG5+gRRsM/RfNcJuOTLJmNj60oBvyW+4cnBEXkdIBlw6ZVqDqSW8AG +RYLarkpL3sDeQDWpcNp157dQLIQ02sMnjXBYAz5XAEXYbrKi9N5HwyGmRTvVq34HWam YFfttwtfbNYPlASa7OIQJn5ErJR4EnASJ24ETjl7posaAVmjRK37c9CFfqymA95JVSd0 uKvQt8nuQmiHgMerx2xww+iuZn4pJmDwi6kSb1xxM2tHMy6vVFcD9Wt48PforB3BksBq Tp4TtV2kVrRfJHP690Tt4jGLtphFwM9uu7Abwd8kWiuLcG5p3shdTnlROVhtYpSIPFNF 14KA== X-Gm-Message-State: AAQBX9d7DgLncbjYQAAw6yxf9ggaLc2xoXPSUuiQIUULErpCKmT3wxJx wKwDLpELzqLn/zQyTPbZZzN6rxOX6/4NoDXt99UHmkJFUBVCC9ryTidv3Kb11HNtYUmDu6+M6Jj lwMM7zLbSrupoIL47NvOviAZRQ1NR3wEca+vQEw== X-Received: by 2002:a17:90b:4a50:b0:240:59e8:6dad with SMTP id lb16-20020a17090b4a5000b0024059e86dadmr25379908pjb.25.1680267917838; Fri, 31 Mar 2023 06:05:17 -0700 (PDT) X-Google-Smtp-Source: AKy350Y9PfdWxol+rufcZcwbvwQ1DYEPsLuXLElCIM70TdWdw8rbW3NRn8loQ1UIz8coXa9Ci2UCbA== X-Received: by 2002:a17:90b:4a50:b0:240:59e8:6dad with SMTP id lb16-20020a17090b4a5000b0024059e86dadmr25379876pjb.25.1680267917496; Fri, 31 Mar 2023 06:05:17 -0700 (PDT) Received: from [10.72.12.135] ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id d4-20020a17090ac24400b002407750c3c3sm1409435pjx.37.2023.03.31.06.05.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Mar 2023 06:05:17 -0700 (PDT) Message-ID: <94f0894d-f72c-daa3-10e2-e83e0e15a759@redhat.com> Date: Fri, 31 Mar 2023 09:05:01 -0400 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 02:48, 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. Okay, I will check that. Thanks. > David >