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=-2.2 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 6B14FC3A5A1 for ; Thu, 29 Aug 2019 03:29:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 38D7A22CED for ; Thu, 29 Aug 2019 03:29:05 +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="YcVaHG7J" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726245AbfH2D3E (ORCPT ); Wed, 28 Aug 2019 23:29:04 -0400 Received: from mail-pl1-f176.google.com ([209.85.214.176]:33035 "EHLO mail-pl1-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725844AbfH2D3E (ORCPT ); Wed, 28 Aug 2019 23:29:04 -0400 Received: by mail-pl1-f176.google.com with SMTP id go14so922175plb.0 for ; Wed, 28 Aug 2019 20:29:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=JGxbE50uXwCgfhAfE1eTU8tNsVQiLS6htVfulohzZj4=; b=YcVaHG7J8kEUDEEpnsah1aC33aFF/zVr9WtxqWBS/dVq90U/A5AgzuMSwi522I98nE JO8rA9dtet4C9wMyT2ZBAADep7t6cOkCV8+4UOo6nfksXdT4Rd6v/g4xKys4wjTQvkAG hhvxC14TXxXJauZWxqVQU8IzKF66W5niRk7fIdp8Ix9De6qGWEOhuAMoe6kKLhTxxf6t TtHfwstOlHFEUJr66LCpaRJWxc52yQZRenzaX/zb/M98dxweJf6eqPo1jJ1hhg+UCw3G Saes9+wAsSIoIkuN0nuZqPYVFo3jt6AceCpIOvGpk/p1tGh3dX2TQzyPA8xsqopw8kJA 0RqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=JGxbE50uXwCgfhAfE1eTU8tNsVQiLS6htVfulohzZj4=; b=K1fLTR+G8LEnCNIhxA53hgqyC3O/NncFWsfB0OhDDcugyOv9oDU7Riugeo2Ia1Lw7M Da+7wkntor7N8CxzwJztayVnXYA+jrC1cWszvuvudU0hWtlTU2YOFJ5tpvw6TfRM7Zny VOwHZE8T+5GantzbzjCG1ucIo3f7ArghbuNSV3FmKdENCTRyPQVxoV4xius/y2fWk/j6 nMEUb1Oy6Oa06hC1hzX5S5Rv9B5PjRkzW1Zq/iUB6+HVsU6FH1Ovl3UMP6zDQvGaK0KD ot52IH3sSTSSF3fQBoU8fsEoIkZsb1gIDGUH2L4iYW/+z48SCJXCct0c68CyU3Xofq02 H4YQ== X-Gm-Message-State: APjAAAVBJeLSwfmCapO9sDtSuVFALsOAzCrPsSP1kKmXI7OiJmavvBSY 0sgm1YgarMC0MMFdY5R501ClVA== X-Google-Smtp-Source: APXvYqz+BYvMbypoZoZy80tENbu+/0EycC793rpafApGirMRqvp3VXLwhMl4+uoaKwWdC97/mFhG0w== X-Received: by 2002:a17:902:8543:: with SMTP id d3mr7863103plo.80.1567049343394; Wed, 28 Aug 2019 20:29:03 -0700 (PDT) Received: from [192.168.1.188] (66.29.164.166.static.utbb.net. [66.29.164.166]) by smtp.gmail.com with ESMTPSA id 136sm859015pfz.123.2019.08.28.20.29.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Aug 2019 20:29:02 -0700 (PDT) Subject: Re: [PATCHSET v3 block/for-linus] IO cost model based work-conserving porportional controller To: Tejun Heo , newella@fb.com, clm@fb.com, josef@toxicpanda.com, dennisz@fb.com, lizefan@huawei.com, hannes@cmpxchg.org Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, kernel-team@fb.com, cgroups@vger.kernel.org References: <20190828220600.2527417-1-tj@kernel.org> From: Jens Axboe Message-ID: Date: Wed, 28 Aug 2019 21:29:00 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190828220600.2527417-1-tj@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 8/28/19 4:05 PM, Tejun Heo wrote: > Changes from v2[2]: > > * Fixed a divide-by-zero bug in current_hweight(). > > * pre_start_time and friends renamed to alloc_time and now has its own > CONFIG option which is selected by IOCOST. This looks fine to me now, I've queued it up for 5.4. -- Jens Axboe