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[209.132.180.67]) by mx.google.com with ESMTP id c1-v6si20028005plo.88.2018.04.26.11.33.10; Thu, 26 Apr 2018 11:33:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@gmail.com header.s=20161025 header.b=MjOnc0Bt; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752892AbeDZScF (ORCPT + 99 others); Thu, 26 Apr 2018 14:32:05 -0400 Received: from mail-yw0-f169.google.com ([209.85.161.169]:42122 "EHLO mail-yw0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751262AbeDZScD (ORCPT ); Thu, 26 Apr 2018 14:32:03 -0400 Received: by mail-yw0-f169.google.com with SMTP id h6-v6so4447004ywj.9; Thu, 26 Apr 2018 11:32:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=96tpdMz55Ox6OMkWoKeiXlCAt7g9lX562xLw4dE5odI=; b=MjOnc0BtMSaEzs1OTumQJW7sTTO45x6zacHIS5uXJrCdOOsryq6rqpMnwCzo5RKW3Q AxL/WERnMCvH57TqUSjddn+cSvKvNPudzJ9qa5jYQva/EP43/T6K5Jatf4E/1BPRE6G2 zv6xFDN/JrUJxDRJvRTJY3kR+TCKYL3HZQUyAznkQM3A/wHQsFXYqbrXDF9bjDnYIcjj MxV3QGjxoGm6NNe5EDe1mVAhcrr15Sg+z/+B20Ok7i5p3IxF5dJS2naDUFkClEgfy4Ul wHUM6nMET4JiQx39a4wgnr2bHPebwm1pA1EGz/bqpXSq4yYmqYOhp+SUW0aa7w7bhlyR DE4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=96tpdMz55Ox6OMkWoKeiXlCAt7g9lX562xLw4dE5odI=; b=smC/RDJDs7iFqJ+jcs+zSusyIX4RCQUr8SlDqzOKHDRDuU0dovRJgej524kyZXFZyR wkJhaYyBa5P6BKMGj0TMmKhtXVeF3aSHD1cs9Ei23GD0J21Uak4ksTo3o8NEHVe2Cj1N uxK9EzTH+wI8jTESlBVi5A0LlsZuGtYjWPZv0y1YCM6o77ykhqAfHQXIUVGBeNzXfYKZ aHXaUycXBMoP9+6mWeymE4707bXTSdvjHVTI/AKCLxgjyZ7Q34Nw6VNO2YkUeaxU9DQm hMwnthCyFC/rlbuUQhRXZ/gsE/zNTuY4tl4CUyOnCgpCupW8p5dYNYXrpWenzpYvYQ4f yN0Q== X-Gm-Message-State: ALQs6tDRURZJ89yawsqZYL1eP099Ed1s3xCLuBtJHA1x1ygAbpBG0SCV g2laBV+g8FpANLMTumrnOYk= X-Received: by 2002:a81:e70d:: with SMTP id x13-v6mr13048147ywl.196.1524767522452; Thu, 26 Apr 2018 11:32:02 -0700 (PDT) Received: from localhost ([2620:10d:c091:200::1:683e]) by smtp.gmail.com with ESMTPSA id a189-v6sm8401219ywf.96.2018.04.26.11.32.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 26 Apr 2018 11:32:01 -0700 (PDT) Date: Thu, 26 Apr 2018 11:32:00 -0700 From: Tejun Heo To: Paolo Valente Cc: Joseph Qi , linux-block , Jens Axboe , Shaohua Li , Mark Brown , Linus Walleij , Ulf Hansson , LKML Subject: Re: testing io.low limit for blk-throttle Message-ID: <20180426183200.GK1911913@devbig577.frc2.facebook.com> References: <4c6b86d9-1668-43c3-c159-e6e23ffb04b4@gmail.com> <18accc1e-c7b3-86a7-091b-1d4b631fcd4a@gmail.com> <536A1B1D-575F-4193-ADA6-BA832AEC7179@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <536A1B1D-575F-4193-ADA6-BA832AEC7179@linaro.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Tue, Apr 24, 2018 at 02:12:51PM +0200, Paolo Valente wrote: > +Tejun (I guess he might be interested in the results below) Our experiments didn't work out too well either. At this point, it isn't clear whether io.low will ever leave experimental state. We're trying to find a working solution. Thanks. -- tejun