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[209.132.180.67]) by mx.google.com with ESMTP id s6si691966pgr.775.2018.02.07.01.26.03; Wed, 07 Feb 2018 01:26:17 -0800 (PST) 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; 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 S1753485AbeBGJYK convert rfc822-to-8bit (ORCPT + 99 others); Wed, 7 Feb 2018 04:24:10 -0500 Received: from mout.gmx.net ([212.227.15.19]:50600 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753147AbeBGJYH (ORCPT ); Wed, 7 Feb 2018 04:24:07 -0500 Received: from homer.simpson.net ([185.191.217.115]) by mail.gmx.com (mrgmx001 [212.227.17.190]) with ESMTPSA (Nemesis) id 0MD9q8-1eV6s02WFg-00GW7A; Wed, 07 Feb 2018 10:23:52 +0100 Message-ID: <1517995431.25619.5.camel@gmx.de> Subject: Re: [PATCH BUGFIX 1/1] block, bfq: add requeue-request hook From: Mike Galbraith To: Paolo Valente , Oleksandr Natalenko Cc: Jens Axboe , linux-block , Linux Kernel Mailing List , Ulf Hansson , Mark Brown , Linus Walleij , 'Paolo Valente' via bfq-iosched , Alban Browaeys , Ming Lei , Ivan Kozik , SERENA ZIVIANI <169364@studenti.unimore.it>, Serena Ziviani , Holger =?ISO-8859-1?Q?Hoffst=E4tte?= Date: Wed, 07 Feb 2018 10:23:51 +0100 In-Reply-To: References: <20180205190510.5499-1-paolo.valente@linaro.org> <20180205190510.5499-2-paolo.valente@linaro.org> <1517903761.9843.12.camel@gmx.de> <899B68CC-5955-4418-8BFF-DC55A743A61B@linaro.org> <1517918234.25841.31.camel@gmx.de> <77124223e6116350a5184a5199850304@natalenko.name> <1517924768.25841.32.camel@gmx.de> <8842084cc8a26b7f46ae600bda8a7bd0@natalenko.name> <82ffc96aacc3945861cbb708df346338@natalenko.name> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.20.5 Mime-Version: 1.0 Content-Transfer-Encoding: 8BIT X-Provags-ID: V03:K0:fM0a06oiYz9M58ACLK+gKVfA4H7ObZiI01O7dt48FODuFnnIwRS ZAYSHoVNK03zHiBF4UPJiXCwMUEJZV4Hrurt2M3EbjN96CIEYF8UavxlQcb63lUejtQMpsQ fSQgD5ZiFYDVhSNhH2UNKsi/IDoYeVWp0olTCA9QYgAE+uTnkif/zckGAn9fn8/lGrT574H LUU3OgA8d9+0XWLfldXaA== X-UI-Out-Filterresults: notjunk:1;V01:K0:BqjVxHeI+xQ=:5eGD+Z5D+x24jqp8QGwk5h ni6/XubQ0U0jl4eA1RWQnB8YzqSbhinkKGqh0aqU3qIwojzd1THmDNCL3vpHkWwSuy5HKC80o J+6eaR3S8750hmhlbP0V5mEb/2cC0PJimGoDPIEyJcSxltmfULGqNt1PLAyEVMvV1Ny4rz6UD v8zGb9IxbpvrPR1SRzZPkweKbfAnf615NTdcORryDg++WjddIciWTXDZ5LjaEsaqeV89EITpM 3QxzcCH13c5SEYZNJAhDGuTYdqH7/tBvUft2pxlsO9DzdRqA1/8JL4ikk04J9eHzbwIJBDvuN cWQVAKsLhdo/oOcFx76FQ8/2r7RMFURQoERzOgzAA4sJHbHs8dK21J1aGi4d44QTjzxT/aejA BIiRO+Pm/ZcgcEJzt1Qzi8rRVKvAWg88Vptib0AWjGfiglINMKb4fR5Qz7cbpNll8lNzIAdWg XC8L4fa+pWJEYNS93e6zaqkpdRWLlJtu49L/ZJpJnzBZZmAwUBB/j7dfdZcIc5mmW5ljlSDYv 6dDrXikTYLTZ9D3nAk2pTJCUDEiFwo3bU68cnTnUVGbg10bRMDJ1NRXxnKQe4vi9EhBYJ7hjr ujbfizAqTIrTfDf9RZEjuVSCi3NKnClygTo1RxRDxUKQMCdgmBQsDFCAn1pxEA3Z78iMIXNu5 Avjc/Hpz1YGWoOPSGm7cjm//QnfBPSoYUPE2D35Jn05M8cRnV2lQ5RoNd4Eu2JQk7LKhABer6 19JqMZEcpPVwTsXQ2kkjPxYTc4t4aFibGNNXGPhXjKaF/m7ydxcL6itYFRo0pZzewIsNEICg9 sQm9n4svyb2zTLRwOrjGt/TFIf0hhoKWBZViyxT/2S4uYD4dBA= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2018-02-07 at 10:08 +0100, Paolo Valente wrote: > > The first piece of information I need is whether this failure happens > even without "BFQ hierarchical scheduling support". I presume you mean BFQ_GROUP_IOSCHED, which I do not have enabled. -Mike?