From patchwork Mon Feb 3 10:40:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Valente X-Patchwork-Id: 11362375 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E0307924 for ; Mon, 3 Feb 2020 10:41:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BEBCA20838 for ; Mon, 3 Feb 2020 10:41:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="J55zZsRJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727386AbgBCKlS (ORCPT ); Mon, 3 Feb 2020 05:41:18 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:35276 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727320AbgBCKlR (ORCPT ); Mon, 3 Feb 2020 05:41:17 -0500 Received: by mail-wm1-f66.google.com with SMTP id b17so16328661wmb.0 for ; Mon, 03 Feb 2020 02:41:15 -0800 (PST) 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=I7kUAuYHK3HU7kgrmlP52Bgbfr7nuCCYrdhqJu7dVQ8=; b=J55zZsRJHqR8+iP6YWjkIN+xlOxkGVRI4uehq2z6qvNNbhJQl7aUnIeIL9ptoxLXqF 9qtzDOApck2LDpnlePnZvfUkD4oBOVZSjQLEKq0/Q448jvTUrZmekKlBC6SaYVqRf1NQ Dl06qyULTlr/6dJ8rCRcGCg7fzFk/B30tfUZZHqynDOMfkKohzX+F94DnibrYrkGVzML qySpDmAkLOcFYh07DJIv7f2pxY6Y8qXk+PfuLmCD+bhzh33S2FhcCSZZbDmCBeK2YNyL 5Qe6TSUDERIUBAIISKv07hAdNEiNW/jJ4Y1wBB5rLqISOJg4PINcK7wUp349JgjjqqUa XnJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=I7kUAuYHK3HU7kgrmlP52Bgbfr7nuCCYrdhqJu7dVQ8=; b=EWy7lc+cLVgnZBAmGkUgRJaqDbOjr3mwN/mv1dHr2hZAntIGs9Us3bJ9SVtcz0G+sO ujV4zEP3P02zUe1Okq+qt43bjw6c1oelB8E/eQpdATigrFGDXMa4D2swUDE0tKZRJ/zn VfZQiLRRgy0lPF99a+HPABSecElytNzZm/LVhx1MFido3IQz8Vr5ogXrTbRbHflyBdLR t7Pz7lya6wSGWRUvl9UPAnBcBwf406ZweD+VpD82zEkMtt1pChIz/+A2G9fLC7XdUxjs EZI47MkmA9rSU+ZhmpGUk/yWSVjPojucKEuSHQF3v1Ls3YwnlNGMo0PjTn/2DTl8bsp9 K18w== X-Gm-Message-State: APjAAAXbR93eUi6XS4BfaMxLTnrrl//lzs42yGakD2AKOX2FWgQZQTON zWkOuYmXxoqTiO6Q1LX0Rd05Qw== X-Google-Smtp-Source: APXvYqxlzkNiELVOe6HFuEvkKPhG/U8qjsN+TV7x9MnYHIj6QHkawmzKn3HRfbvnMAZXZ5vUug/GNQ== X-Received: by 2002:a05:600c:218b:: with SMTP id e11mr28672434wme.56.1580726474686; Mon, 03 Feb 2020 02:41:14 -0800 (PST) Received: from localhost.localdomain (84-33-65-46.dyn.eolo.it. [84.33.65.46]) by smtp.gmail.com with ESMTPSA id i204sm23798930wma.44.2020.02.03.02.41.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Feb 2020 02:41:13 -0800 (PST) From: Paolo Valente To: Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, bfq-iosched@googlegroups.com, oleksandr@natalenko.name, patdung100@gmail.com, cevich@redhat.com, Paolo Valente Subject: [PATCH BUGFIX V2 0/7] block, bfq: series of fixes, and not only, for some recently reported issues Date: Mon, 3 Feb 2020 11:40:53 +0100 Message-Id: <20200203104100.16965-1-paolo.valente@linaro.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Jens, this the V2 of the series. The only change is the removal of ifdefs from around gets and puts of bfq groups. As I wrote in my previous cover letter, these patches are mostly fixes for the issues reported in [1, 2]. All patches have been publicly tested in the dev version of BFQ. Thanks, Paolo [1] https://bugzilla.redhat.com/show_bug.cgi?id=1767539 [2] https://bugzilla.kernel.org/show_bug.cgi?id=205447 Paolo Valente (7): block, bfq: do not plug I/O for bfq_queues with no proc refs block, bfq: do not insert oom queue into position tree block, bfq: get extra ref to prevent a queue from being freed during a group move block, bfq: extend incomplete name of field on_st block, bfq: remove ifdefs from around gets/puts of bfq groups block, bfq: get a ref to a group when adding it to a service tree block, bfq: clarify the goal of bfq_split_bfqq() block/bfq-cgroup.c | 16 ++++++++++++++-- block/bfq-iosched.c | 26 ++++++++++++++++++++------ block/bfq-iosched.h | 4 +++- block/bfq-wf2q.c | 23 +++++++++++++++++------ 4 files changed, 54 insertions(+), 15 deletions(-) Tested-by: Oleksandr Natalenko --- 2.20.1