From patchwork Fri Oct 15 14:43:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Valente X-Patchwork-Id: 12562201 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C6616C433F5 for ; Fri, 15 Oct 2021 14:44:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A70F6611C1 for ; Fri, 15 Oct 2021 14:44:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240686AbhJOOqm (ORCPT ); Fri, 15 Oct 2021 10:46:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240679AbhJOOql (ORCPT ); Fri, 15 Oct 2021 10:46:41 -0400 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7802CC061765 for ; Fri, 15 Oct 2021 07:44:34 -0700 (PDT) Received: by mail-ed1-x532.google.com with SMTP id w19so38936932edd.2 for ; Fri, 15 Oct 2021 07:44:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=SrINTsJkJyQNn5NkmsQ24Qfw9wYKTJsI3rIhs9tC6FQ=; b=OK3sNJkyalyi6dhT9gua0R75rLmXnEMkr55zdez2DpLd2eQ6p0bIdBN4u9zNa4c/z1 Om4BGJKJD2zwseNpeOMHtizqZqiUSfi7Lgto4WpMxhMAgpvsHtyaSpqwIKSRytx8qVNR nssDzQgWPUNo8vjY6AoVFGKD9ieskdSBl1eggP+qp+vr0qn/D/fgeboceNOV8378XBkG N+Kp8DH9y3Y8gjdzvBuZGf9CbCy7fLWDPl4XooMwvsHsFb1AOZHA65tIaPh98PKgi2a9 GU0HEnJIO0eGS0ZnPco/KDuXVp10UbcLAhWACzcKYEIwQuKlzIr4WIHbB11MPb4lw6IY e4xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=SrINTsJkJyQNn5NkmsQ24Qfw9wYKTJsI3rIhs9tC6FQ=; b=y+NzkiZNiH9uG7bH5S3KOB68+k3BWOl9y8sthpuPsS1vcCKDFO/yNXEyur61PkE5fX Hcg57EB0fFJ7/+b4qE2nOjJB9D/dLHn1cIePm3s2S/2KblwExy6BLur+Lxpobd5/O0Ue mSSHolMSmSIKyeN3HsG1Af6+x3EQoordfUWO3ajKwv3VUg+FR6/ZghNQDOQgmtcLvX49 TrFlmScRmlY9EynHpL03fSqT2s3RebRRAzBbbBuOvMKfXso/l6rGUZrtB67VBzrfbm4c tOVTwNUkp1WNZZdsK4c3UIX+SpP22OO+gTx+gBMbuhRsR8tOiGQjDaLi3qHGe8HdvFy2 aWZg== X-Gm-Message-State: AOAM530FmS5hwIVajTYxz9rATq8ta8k58xe4sUrrbEH0r9+D6oyN+iau vfSxq77tN3J151AOvf9QsSfnSL6vwvPc3Q== X-Google-Smtp-Source: ABdhPJy488jhljVkPmTncID6CTjwLdHs38ijNQU6OBhmFmeusg4Kkab84eaPbCzdXhdYBwLvGEbvgA== X-Received: by 2002:a50:d809:: with SMTP id o9mr18299382edj.149.1634309031090; Fri, 15 Oct 2021 07:43:51 -0700 (PDT) Received: from localhost.localdomain ([83.216.184.132]) by smtp.gmail.com with ESMTPSA id v28sm4605365edx.21.2021.10.15.07.43.49 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 Oct 2021 07:43:50 -0700 (PDT) From: Paolo Valente To: Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Paolo Valente Subject: [PATCH BUGFIX 0/1] block, bfq: fix bug 214503 Date: Fri, 15 Oct 2021 16:43:35 +0200 Message-Id: <20211015144336.45894-1-paolo.valente@linaro.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Jens, this patch fixes bug 214503 [1]. Commit 2d52c58b9c9b ("block, bfq: honor already-setup queue merges") has not to do with this bug, and can be restored. Thanks, Paolo Paolo Valente (1): block, bfq: reset last_bfqq_created on group change block/bfq-cgroup.c | 6 ++++++ 1 file changed, 6 insertions(+) --- 2.20.1