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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 99EDFC433EF for ; Mon, 9 Sep 2019 05:57:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66DB721A49 for ; Mon, 9 Sep 2019 05:57:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="dnFVSsjo" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727333AbfIIF56 (ORCPT ); Mon, 9 Sep 2019 01:57:58 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:35073 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727076AbfIIF56 (ORCPT ); Mon, 9 Sep 2019 01:57:58 -0400 Received: by mail-wm1-f68.google.com with SMTP id n10so13088419wmj.0 for ; Sun, 08 Sep 2019 22:57:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=00uQqKGc3ntry1sUHA28NuC7W2YW52OB0uzh/6SRnk4=; b=dnFVSsjoxqSQxLiFpd7+EBfRtZDxKWV8t82KXqAehO1Vsl2O22PFD7pPt3gzFtlblQ 5FA9tNp5HySNWlDNCLPb7WPNYH1XzJH6mtgjEske8i+sUegf0BUZkw9A+9OSJczNf8al dhDX6UvKUJihuhitVElv3mGro33zvxV69SxtHBYFJ2HM1hWtOk+LrhidapysjUR0cd9M YmH6nlM2Wdsa0ALFBH2n753qXT5rddEiAyg5Ji4XcUSd/nJcotRIXyiLuCkJOHq+8UGP LC0hqVg+J2fq4kA8cJYMtD92Jz0Rodd/4o4Bf7qmvnKhnamI2KcLMP9IN6HPjuwbYb4H zd5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=00uQqKGc3ntry1sUHA28NuC7W2YW52OB0uzh/6SRnk4=; b=rSTVifqhOCg7HkwzbVE4vATyRsnZlAU9uYy69dAWdQW+dCKR+RjrDOFP3zGFbKmnKF 9AEDvH5izlnmzGj7qwVX2kQXXDD6XW8gk3BexaKHcaiIOsmIq0NpHfnJsyaJDR3mefIr c0p/TlmgVxHr8adYi2zehRKahmqBOIo5Hgvv9qFa0QI71riLYaqEX1CuJbrVLbXkkdH6 5PiqWnzOis2KRYtVzJVm2zutw8XX16ADvteb2dnVMEiXtihmVYj1+S7XzwikSWZ+zbY8 9g7En49WQgjzmBeIkqypMhtEigQ9jfhQFl5ywJpUakMVgF2GUoMqVM2ornbYCePUDqnM eacg== X-Gm-Message-State: APjAAAUei93g60VZqY56hPwSTD6xkClTkmZrNgTvOk9TgBcQJVOkIpGT ov2oJ7MVtgtHqrk4q5NdSjBc/A== X-Google-Smtp-Source: APXvYqyTuOYWiPrJQegHYIEdG0b8fajJCGI0sjBqLXu6MTa5++KDoPx8Kxrq8U2i/YY6IhYKXCtKjQ== X-Received: by 2002:a1c:7414:: with SMTP id p20mr17169399wmc.68.1568008676005; Sun, 08 Sep 2019 22:57:56 -0700 (PDT) Received: from [192.168.0.102] (146-241-7-242.dyn.eolo.it. [146.241.7.242]) by smtp.gmail.com with ESMTPSA id r18sm14513325wrx.36.2019.09.08.22.57.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 08 Sep 2019 22:57:55 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.8\)) Subject: Re: [PATCH 0/4] block, bfq: series of improvements and small fixes of the injection mechanism From: Paolo Valente In-Reply-To: <20190822152037.15413-1-paolo.valente@linaro.org> Date: Mon, 9 Sep 2019 07:57:55 +0200 Cc: linux-block , linux-kernel@vger.kernel.org, ulf.hansson@linaro.org, linus.walleij@linaro.org, bfq-iosched@googlegroups.com, oleksandr@natalenko.name Content-Transfer-Encoding: quoted-printable Message-Id: References: <20190822152037.15413-1-paolo.valente@linaro.org> To: Jens Axboe X-Mailer: Apple Mail (2.3445.104.8) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Jens, have you looked into this? Thanks, Paolo > Il giorno 22 ago 2019, alle ore 17:20, Paolo Valente = ha scritto: >=20 > Hi Jens, > this patch series makes the injection mechanism better at preserving > control on I/O. >=20 > Thanks, > Paolo >=20 > Paolo Valente (4): > block, bfq: update inject limit only after injection occurred > block, bfq: reduce upper bound for inject limit to max_rq_in_driver+1 > block, bfq: increase update frequency of inject limit > block, bfq: push up injection only after setting service time >=20 > block/bfq-iosched.c | 35 ++++++++++++++++++++++++++--------- > 1 file changed, 26 insertions(+), 9 deletions(-) >=20 > -- > 2.20.1