Received: by 10.192.165.148 with SMTP id m20csp442019imm; Fri, 4 May 2018 12:49:43 -0700 (PDT) X-Google-Smtp-Source: AB8JxZpwmzOcKV18EU2LkDK8lvOcWsw3OHL1VNF1ywgxH8FPXmuZUxpLVT6gYcp+VVAyuIQI90bf X-Received: by 2002:a65:43cb:: with SMTP id n11-v6mr22864075pgp.287.1525463383841; Fri, 04 May 2018 12:49:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525463383; cv=none; d=google.com; s=arc-20160816; b=iGquBIb5eCJVUHAO/LLEGRDgNwnUCJix/GlRi0mwMThuFDuWoAu5XxR6dLEa94kaZZ XoXuvC56HWKnMAKEqi1xDUrsU7LyJ1sHB+OX8wPHKcjQR1DYcCfbHP4tz8+zfiFs/qGL PxE6pjKv5fF32HENCEpvW6g+jL8YGukTfQdks03pDjjTL1IEH77OIvp1JCNTyNvzsk2Z Qv1stNXqVSgEQcRGIb5zxlDy/3eaeIn9eT7LujbBCvocbSqqGCwyFghaUvW1wumV93Ag TX9neK+Hhd37xUbaVOpZrbNi8pHIbUHzrKJWDNcEzx4HJ2+FpqCl4cF7GD5lDnatJMpQ F+jA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:date:cc:to:from:subject:message-id :arc-authentication-results; bh=IzOA5D2Vzh9xp6S3HufjWLNZ5ZLa264ZZX6Bh7dAl0k=; b=pkHRKvkzEOe+8tXInpv1S6MQjIDriUtg5u+zdLeUVpjMvTqhv9l9tqNpjR/XuiAVSy f3DG25j7b6L5XXPVccwhROdfy/HIfClo4ARIwgyi7TEJJP8B8i3baP2TQNsIJ26lunuY 0b+JsUrYSEtYSsk4YCpQn8Pl6qL/9Px+YOCyAuKgKn/MWudJ6eHGCpYGt/ByDCJurJi8 xmJBQb67W4OZSHF3BrwKXu0xCu4PT2+PqHNZdcwKby6gg8qcD7Yd+lqbqAss5ALkhXwf pdt1BQdAQeZvCw/KGtuSfwns583h28LX0tjpuo7kMiWrwEYwuCNhoAgdISTLTvZOgNr6 18RA== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d132-v6si13803437pgc.253.2018.05.04.12.49.29; Fri, 04 May 2018 12:49:43 -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; 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 S1751591AbeEDTrC (ORCPT + 99 others); Fri, 4 May 2018 15:47:02 -0400 Received: from mout.gmx.net ([212.227.15.18]:59139 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751709AbeEDTq7 (ORCPT ); Fri, 4 May 2018 15:46:59 -0400 Received: from homer.simpson.net ([185.191.216.25]) by mail.gmx.com (mrgmx002 [212.227.17.190]) with ESMTPSA (Nemesis) id 0LnwxU-1ehWdv3vBY-00fyYv; Fri, 04 May 2018 21:46:52 +0200 Message-ID: <1525463210.622.1.camel@gmx.de> Subject: Re: [PATCH BUGFIX] block, bfq: postpone rq preparation to insert or merge From: Mike Galbraith To: Paolo Valente , Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ulf.hansson@linaro.org, broonie@kernel.org, linus.walleij@linaro.org, bfq-iosched@googlegroups.com, oleksandr@natalenko.name Date: Fri, 04 May 2018 21:46:50 +0200 In-Reply-To: <20180504171701.6876-1-paolo.valente@linaro.org> References: <20180504171701.6876-1-paolo.valente@linaro.org> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.22.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:Nr2dH2KoxjYNOE95hOdJlxmL/UUWIMU2h57A3O2RDvMluW3c4VO 8OlGn0Fqu48U2ZjN0i9nawvJdFXayKKSIzKY0lfS1cAxTuS4dFy5twSdrx1r6RApiBnZHNH uN3WiG1Wzd+mmqPzdjzonE7FyTV4tUpQ4piFy5ErNIv8nkrRWyDzJRwTaFFs3UEuOd3kXvt KObE+eRm/vCBUlK9zFgtA== X-UI-Out-Filterresults: notjunk:1;V01:K0:p/Qs1B+bCiE=:jt7riObssn0UDSZ/QMOuix /hofanCrOEVC0uo4ad3dYhLXtGnCPeqNYxT3oObgqG06lvRUmnO4rnL8MHrtXQuX/qdshpZ5f WG9vHxm4o+nTxDictWUYElBubqaWYy2hS3RadylNUcmq6FKFykGyKwkYfADl7QyzpcxAYihil QypCuiWV/A9vxfTz4mGRoNN6h6gE6PmmsqshFdmgAsdjCEJ4SBUPi6c7TI6t37UyikMwFNolf OgtwEZQHdSNvLhb6fEnJ93rMQhyLh+ezXVFldNqZUtaLp/aChAUcmEm6xkgWG8eyokBriGJPT 5V6tX6Ji01b8P5lj7pM8mP0sV20+w5COnoG8ExbPUszQzBjEuDmNk3ds0E44VCI384xQBuOi1 Cp3q1GIera9NtyHR8uYJXWAV0EKn8cw+9cVdMKk5J9hduiMPWF5p7Yid9AAVjQk+FgtCaVwir QKJXsFYf1FYCqItnYOB6asIP6vEx8Qn1iM1JXbOJS+8ShLwhfcUyU8CqC/lHPb16tzs6v785Q +i59xhH8WnpAz+blrU8tT94BZ1DaXijHWrXyA9vbYVouboUHeXAs55pA3zzz+cVK1cznHesi0 RpARij26IhfYY6KicuVkGzAdyPKlPSmp9Wf3COCAFSoaSgoi0s3AIF9DgwOsezSOH/qwc+PEV 7lH9RMyXEbz5fj+8+sS4Litz9ZjgD0pErTu4b4gznC0piLdAMv+bglwIHib//FlsuSefZ6vY0 BZ0/EjjIhtJ/NVJ9ChRMss8JOLWd3EroZrKT4kI552EBR3SDCwXVJWDKED76FzVPnzGa2gQoB VGqI0a2 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Tentatively, I suspect you've just fixed the nasty stalls I reported a while back. Not a hint of stall as yet (should have shown itself by now), spinning rust buckets are being all they can be, box feels good. Later mq-deadline (I hope to eventually forget the module dependency eternities we've spent together;), welcome back bfq (maybe.. I hope). -Mike