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 5CEB5C636D4 for ; Mon, 13 Feb 2023 17:10:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230232AbjBMRKd (ORCPT ); Mon, 13 Feb 2023 12:10:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229802AbjBMRKc (ORCPT ); Mon, 13 Feb 2023 12:10:32 -0500 Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68ABF6E98; Mon, 13 Feb 2023 09:10:31 -0800 (PST) Received: by mail-pj1-f44.google.com with SMTP id oa11-20020a17090b1bcb00b002341a2656e5so1345255pjb.1; Mon, 13 Feb 2023 09:10:31 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=43md4euKyTy5iM8nPRowlVg2uoHP+Bxebjf5efS9qUI=; b=g0YJA9Z6OLwaKXxkv9+jL0OzyhsRtI2CVlbEs+v18X4z0riyWkYjEGQKV/SMQRyyQK YO+vtEUYJlU/E6Tqn9CO/ybdaWoPe1GfK+FmU23NNZgExUJZHSMIt2rtt7NePZSv2uNr CawNBHoi50oEwm/PrnyUNzKws4vGY/GHpEQAB4TfjFJ6g2xEJOS/2/eSuLZiLkjdQTbM 8RJvBTKi+7iNjwYENDG1Yd6vASupmORGUEH3xD1U/pySY9WIwZMk9ZOo/lTq8i82U3a4 4WHzdAeiHpuo1dYQm8h4fLsYd5zmBaX/bgGVLY8FYULUSMuseXnsCreMSGOSZP/ylcdA D41A== X-Gm-Message-State: AO0yUKUc0x0z2kJTiVaTCBYWsGa8aIOscG4YYVY/qKxsbGm9LU6I8MSY LDsIRIgjpumV5sK/A/7OIyo= X-Google-Smtp-Source: AK7set/KgUpWGxPJNFJMKEcCvMQP9cXnNVjtmIdg3Yj20tnXZ+glv0aNSL8qHN0HGIOemEANUP74Yg== X-Received: by 2002:a17:90b:d87:b0:234:1fa8:6589 with SMTP id bg7-20020a17090b0d8700b002341fa86589mr1103583pjb.6.1676308230508; Mon, 13 Feb 2023 09:10:30 -0800 (PST) Received: from ?IPV6:2620:15c:211:201:dc5c:7c61:93f2:3d3d? ([2620:15c:211:201:dc5c:7c61:93f2:3d3d]) by smtp.gmail.com with ESMTPSA id p9-20020a17090a2d8900b00233bab35b57sm4956951pjd.29.2023.02.13.09.10.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Feb 2023 09:10:29 -0800 (PST) Message-ID: <0290f608-6ddf-ecb7-4c05-55b0f7dbfbea@acm.org> Date: Mon, 13 Feb 2023 09:10:26 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH] blk-ioprio: Introduce promote-to-rt policy Content-Language: en-US To: Hou Tao , Jan Kara Cc: linux-block@vger.kernel.org, Jens Axboe , cgroups@vger.kernel.org, Tejun Heo , Zefan Li , Johannes Weiner , Jonathan Corbet , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, houtao1@huawei.com References: <20230201045227.2203123-1-houtao@huaweicloud.com> <8c068af3-7199-11cf-5c69-a523c7c22d9a@acm.org> <4f7dcb3e-2d5a-cae3-0e1c-a82bcc3d2217@huaweicloud.com> <20230208134345.77bdep3kzp52haxu@quack3> <7fcd4c38-ccbe-6411-e424-a57595ad9c0b@acm.org> <20230209085603.dzqfcc3pp4hacqlz@quack3> <55a065e7-7d86-d58f-15ba-c631a427843e@acm.org> <20230210101244.zsmtmsoo4xjx7suj@quack3> <48620099-0311-e752-ba3b-cbb4351cf81e@huaweicloud.com> From: Bart Van Assche In-Reply-To: <48620099-0311-e752-ba3b-cbb4351cf81e@huaweicloud.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On 2/13/23 04:51, Hou Tao wrote: > Should I keep "none-to-rt" and make it work just like "promote-to-rt" or should > I just remove "none-to-rt" and add "promote-to-rt" ? I think the latter will be > more appropriate. Removing none-to-rt would break existing systems that use this policy. I prefer the former solution. Thanks, Bart.