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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C0C5C11D2F for ; Mon, 24 Feb 2020 15:35:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ECF0220714 for ; Mon, 24 Feb 2020 15:35:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="NLvGifZF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727693AbgBXPfz (ORCPT ); Mon, 24 Feb 2020 10:35:55 -0500 Received: from mail-io1-f67.google.com ([209.85.166.67]:38314 "EHLO mail-io1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727299AbgBXPfz (ORCPT ); Mon, 24 Feb 2020 10:35:55 -0500 Received: by mail-io1-f67.google.com with SMTP id s24so10671658iog.5 for ; Mon, 24 Feb 2020 07:35:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=zddawmptTj8O/iOFAeDEIVRJudMFVZUKfFGPqjx1LMk=; b=NLvGifZF6nw+IxiFIhrBLRrajvZsnwn1tkIxXaXebNAqQHMSuIBDN2uVpU6oYpef8H YcAsxc1k6I4XLVgnP/rr3t6/nGF8DUpFgf0RBC3eDBl1skBwR2b+XcQNzsmb9DkMPk/h kTQZaRz76MdM/7+E9AgkSMHFh1DMeJCljGydy2AB6sd75EozDgzhpGd4fszRSu6MkPoH d3qbbRezx8I+B8ILIZtOYrllU3XNFtpUiBsIMaZckU4xZ1qaE0AW6VKNpzPzKEyWnE9c O9s3ovM1lZjclsudzHwkv1PmmFUUwFjX24yERfq0Bn0s9xZhQkYW4EVxMMsan6OxCF3y tHgg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=zddawmptTj8O/iOFAeDEIVRJudMFVZUKfFGPqjx1LMk=; b=e5hERJWeuAN0OqHtrEvBqhXopCITOh4nGJc6qdt5ABCaMykt09nyyWga6wLKP17ouR cSdFakIWXR/pu0Gal/gmw2ntd3FWltT+Zcf8P09fODqfCdnDkFoF2kB1LaThL7Pc/VJ8 elJnwS8ZZ0nfa792lbdbdLdLRCqepnyx6IqO2+oMeSKvDuB3kJf2l34OqjgbuzlYnpSO MoUGm5+IOASouFyoyM1mr97wekCdp5JXlE4yWbm18DgBRVAxh/iB0AxQKIMvxfoXHHiM PMs6djKYoZJbAI0N06+yxEo0LHjXiP21Ne7XZbS06jwi9nDuxSdi7zZKh5JwOQetAPe/ 74cQ== X-Gm-Message-State: APjAAAVVOx6GKbRDvtPz+rClt18HBijKTz+7MgOB+rqtI/tIU+Fv2vWh dEovoQb7Pg7Dr2+leh56IMjOEwLLBCA= X-Google-Smtp-Source: APXvYqxJLYN7KxGZRPJQFZnCFWyWjTrI95KeI9Mk/yjMubZC8gJzK/dCmDDDpmGRE3GeVaB1yZIXeA== X-Received: by 2002:a6b:6604:: with SMTP id a4mr54584788ioc.300.1582558554596; Mon, 24 Feb 2020 07:35:54 -0800 (PST) Received: from [192.168.1.159] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id v5sm4426550ilg.73.2020.02.24.07.35.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Feb 2020 07:35:53 -0800 (PST) Subject: Re: [PATCH v4 0/3] io_uring: add splice(2) support To: Pavel Begunkov , Alexander Viro , Stefan Metzmacher , io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: From: Jens Axboe Message-ID: <923cc84a-e11f-2a16-2f12-ca3ba2f3ade4@kernel.dk> Date: Mon, 24 Feb 2020 08:35:51 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 2/24/20 1:32 AM, Pavel Begunkov wrote: > *on top of for-5.6 + async patches* > > Not the fastets implementation, but I'd need to stir up/duplicate > splice.c bits to do it more efficiently. > > note: rebase on top of the recent inflight patchset. Let's get this queued up, looks good to go to me. Do you have a few liburing test cases we can add for this? -- Jens Axboe