From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on gnuweeb.org X-Spam-Level: * X-Spam-Status: No, score=1.2 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_PASS,SPF_SOFTFAIL autolearn=no autolearn_force=no version=3.4.6 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A686AC433F5 for ; Wed, 27 Apr 2022 03:57:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241317AbiD0EA1 (ORCPT ); Wed, 27 Apr 2022 00:00:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53302 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229651AbiD0EAZ (ORCPT ); Wed, 27 Apr 2022 00:00:25 -0400 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54B7470910 for ; Tue, 26 Apr 2022 20:57:15 -0700 (PDT) Received: by mail-pj1-x1030.google.com with SMTP id bd19-20020a17090b0b9300b001d98af6dcd1so3906364pjb.4 for ; Tue, 26 Apr 2022 20:57:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:to:references:from :in-reply-to:content-transfer-encoding; bh=gjDzr4jN+9IV8/Av6hZJPqUgDrXSe5n+214s66b/29w=; b=OmQe7vQPm+CnfP3eoUvIrSGaWMCBWqB7nRvEQfK7wtu+EMGoO07vmrdIilyCmNOTAT lp3TMoTImYJPLMxP5uAgswqf9CCLBZnbTHTpaIQ+65vN0eNaB6KGiNF3xyMVCeOWu1Ht X3XshIJ4exNR77nXYa7km9XUP6oZpsLkP2ECPMWt9dJBtDM9jR2WIbIjYnJ/wlZNpVsd vTvOxdqJr4k7uZB1dspGZynsExeQhJZ80ayqObDcjNttZwSV6nv92mVGucBhWHOz8wsP +k7Q1Kwpn41Y1z4LdkPqvHQe3Zm5jGUTZAQAefw3CSs4uNVRiLIT1dz3+NZgU4rlsWcw gdaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :to:references:from:in-reply-to:content-transfer-encoding; bh=gjDzr4jN+9IV8/Av6hZJPqUgDrXSe5n+214s66b/29w=; b=49ve/RrCOMV73XGiMw8NnZH24n6xWbuM1EOK9X3f/6+IW865deHNGIPqjVMPVhM+UA R9DOouiReWLFnoWX314G73vp9THNYXLySCDdS4yvRcKJWbYWCO8k7KZJ60KW8Sus2uYq lGD0DTSmEutmVMXWvxf2MNHQ7T3/WpDad9kSs01pXHK2RBCL+kNgxPGpVJQu+rQ/u+G/ KmP3W0BKYfif0Js3SncpHnUOTPE4mahFUpEsK2bVkOK6fCs36TkCoUdnNkjIcjXOy6gy l1N8Cbclq21/I0BO1oRHYqP4SmDgrITBZjsHavp+0iUDs4geO6X0egfNtF/WUOAVr9L1 0Csg== X-Gm-Message-State: AOAM5318rYctxh84KcQ8WoShsYQfqIA2nAtK2u7VebxAwpmH0UPDzYgE XDUIZAIwxjsKgmIHz93s9hg= X-Google-Smtp-Source: ABdhPJwBrCY7TVu8C+1aZNANqQEj7TpNzdEBiRYH1dB4050P7/fYF0YoZeZsQ2IPe6GGaB/b5vDFgw== X-Received: by 2002:a17:902:ce0a:b0:15d:917:fad4 with SMTP id k10-20020a170902ce0a00b0015d0917fad4mr15039060plg.3.1651031834749; Tue, 26 Apr 2022 20:57:14 -0700 (PDT) Received: from [192.168.255.10] ([106.53.33.166]) by smtp.gmail.com with ESMTPSA id 18-20020a17090a1a1200b001da160621d1sm526740pjk.45.2022.04.26.20.57.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 26 Apr 2022 20:57:14 -0700 (PDT) Message-ID: Date: Wed, 27 Apr 2022 11:57:19 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCHSET 0/2] Add support for IORING_RECVSEND_POLL_FIRST To: Jens Axboe , io-uring@vger.kernel.org References: <20220427015428.322496-1-axboe@kernel.dk> From: Hao Xu In-Reply-To: <20220427015428.322496-1-axboe@kernel.dk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org 在 4/27/22 9:54 AM, Jens Axboe 写道: > Hi, > > I had a re-think on the flags2 addition [1] that was posted earlier > today, and I don't really like the fact that flags2 then can't work > with ioprio for read/write etc. We might also want to extend the > ioprio field for other types of IO in the future. > > So rather than do that, do a simpler approach and just add an io_uring > specific flag set for send/recv and friends. This then allow setting > IORING_RECVSEND_POLL_FIRST in sqe->addr2 for those, and if set, io_uring > will arm poll first rather than attempt a send/recv operation. > > [1] https://lore.kernel.org/io-uring/20220426183343.150273-1-axboe@kernel.dk/ > Looks good to me, Reviewed-by: Hao Xu