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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 E6585C433E6 for ; Mon, 25 Jan 2021 01:20:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA7D722CA2 for ; Mon, 25 Jan 2021 01:20:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726497AbhAYBU1 (ORCPT ); Sun, 24 Jan 2021 20:20:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726434AbhAYBTX (ORCPT ); Sun, 24 Jan 2021 20:19:23 -0500 Received: from mail-pf1-x436.google.com (mail-pf1-x436.google.com [IPv6:2607:f8b0:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E39C4C061574 for ; Sun, 24 Jan 2021 17:18:42 -0800 (PST) Received: by mail-pf1-x436.google.com with SMTP id t29so7456453pfg.11 for ; Sun, 24 Jan 2021 17:18:42 -0800 (PST) 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=L3uVyIQXg315cYdcWFUi5kSuy10il/YWLytcRu3EvKU=; b=xCHC0TeW5olhFVBW6SBSDbklWOHvyAC/fgRBJFg+QV/Q5ZqvnsCzJQdIeYog/GvYA+ 1FlflAU+h5Sv3UjYx7/qSst5YpD15GQvU71pZYe8ePM3LHf7kFNHWOT5y04CDdLR40el ftJQkDLB68lSuut4+JZEiF6z7FuIH/dM3Q15Ph7Hhfp9c+8AIVpmuuNERcDOSUosAhYh zfAeeaQ4lQrqaiFKx/jTGMBbadTTU4ZqAmvR58IdNsMNUC5N4BD2hBSmaHQkC1jILm+V Xwrp9hcTiZZYP3qSSCC6mLpDW0vrHJlkuHab4dCkhhTnUT3g2j3Rp9oFXActZiDaXc2A DoCw== 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=L3uVyIQXg315cYdcWFUi5kSuy10il/YWLytcRu3EvKU=; b=rNp0ZaIRtdq06vKji7sPS1zQ8bWjAA9WvTmqM1Je83Svc1Bp1jnuyb3jY6A3BOP9d8 LmY6huHOLjFXLM5rG0aVXApGRHrZvSVrq+3TLDD+QyvzJ/1afftA41zyf9oKCUqBr7PW DWkncsmh4jY3YbcQbYhyYSUjyFAgGXzYiHXL0YXXCVbnOx5WPwwPdsLQ0BHDDBnvzTkY OuwBcxSnaYEGIWMo3G5i0NwTNFrCA3tchf36mg9PfLxp2cTt9hfhiO77l41Aws1cJTam XwE6JpAEwebRFR9vsMrXnpCsQ/wGUwWCOg9dm5TBpiBQHog04WyeENV1th5QELAHPako 91aw== X-Gm-Message-State: AOAM533m9oRaQCDiwhoDNYgEOhLiVkFhoNUY9il4PCc/ATY6Zp/cj6IN g3tVIorA54RYyjFMNKlkRWnwRFBXpSq8tw== X-Google-Smtp-Source: ABdhPJxFWePCWmfNnsY9gw6UORyzTKjMRFWUXJ9grK/iqp7aHvcQXCH6VKSMOOKg59exGpxH5JsEmw== X-Received: by 2002:a63:c702:: with SMTP id n2mr277682pgg.382.1611537522118; Sun, 24 Jan 2021 17:18:42 -0800 (PST) Received: from [192.168.4.41] (cpe-72-132-29-68.dc.res.rr.com. [72.132.29.68]) by smtp.gmail.com with ESMTPSA id p13sm16036771pju.20.2021.01.24.17.18.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 24 Jan 2021 17:18:41 -0800 (PST) Subject: Re: [PATCH BUGFIX/IMPROVEMENT 0/6] block, bfq: first bath of fixes and improvements To: Paolo Valente Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210122181948.35660-1-paolo.valente@linaro.org> From: Jens Axboe Message-ID: <8e024512-992d-1f9f-2fba-5f51103b706a@kernel.dk> Date: Sun, 24 Jan 2021 18:18:39 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210122181948.35660-1-paolo.valente@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/22/21 11:19 AM, Paolo Valente wrote: > Hi, > > about nine months ago, Jan (Kara, SUSE) reported a throughput > regression with BFQ. That was the beginning of a fruitful dev&testing > collaboration, which led to 18 new commits. Part are fixes, part are > actual performance improvements. Applied, thanks. -- Jens Axboe