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=-1.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 1F26FC10F13 for ; Mon, 8 Apr 2019 15:13:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E1C022148E for ; Mon, 8 Apr 2019 15:13:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="AOrhh3OJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727199AbfDHPNg (ORCPT ); Mon, 8 Apr 2019 11:13:36 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:33001 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726930AbfDHPNg (ORCPT ); Mon, 8 Apr 2019 11:13:36 -0400 Received: by mail-pg1-f193.google.com with SMTP id k19so7519172pgh.0 for ; Mon, 08 Apr 2019 08:13:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=nWRmV5hnWcj49GRojO3p9tTh3nnI78KHTzO7Ks82NPI=; b=AOrhh3OJhv6fTgAN3lnFSC9P62p3kWX2b95w6xUrE5zmBy/mACCOcIaL04LdDW5UcU 5x/neDtDbP+AV04jGUSZbehpsvOYe/lL7SjhBPyps1nnJCy3hptyMUQjLrhANj0f/XcO gbv4W5FZ7VptYg22lXnLODtRjhFxXvXIqajpH9ZVQlnmLGlD0VwQ3xYskLMDi8bhrmKo Q/WEY9qskUiJ2Jg+FV9E4ENFEo8q1s8gIk5lwRjWIvVWC2PidRHko/8jYy4XU6ECWFk0 kVYtzeFq+fezy8FxJWeJdd2kQVcuspOT/HUnioRllLQQGROHyWTprsHS2vgGprbrvJ3N p3kA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=nWRmV5hnWcj49GRojO3p9tTh3nnI78KHTzO7Ks82NPI=; b=nB3FR8bskU1WYB57XkIoaDJPmKnr06KraajbbAXpEvk3Ja6w6WZmsrURs8BcXnM7Ld 1sHdrJDpMxUJU5lGRR/+W6fcKrRbcLv/XAU2YI1gEIhcYPqRlt9+gInDtr5hoeUk0/kE R/mh7mAc2n4S65OZteni5mKunyRxkk9Ux/2zNNHMT5G+pvs0QVz1QV+5XUm6+7RyFC+H upAfdauoj5C9dDnyXQ2+QknBscXYv6pu39jGIxmvyKhWeCqMpsCXErhDAJ/LyzBgn/qd 6VsoYPf56P0xq7ejcHvKoQ+8ODvbWF3jO/HRKMkyKqEyFuA9Bh0lw8ZwaPDMTwy+z6Lm n+Pw== X-Gm-Message-State: APjAAAVKTfSaC2KTN4mjjRMYp0UvjlaoP09jxu6KeYIvJOpPdm9E/aca qrc8wzXuYe/SoNnd79mnEnzbsQ== X-Google-Smtp-Source: APXvYqyC4lebBvqpoMDFRPcl9LSlOCct2H5VzPdRztvGNyNyYoaj7J3CJ+ns1DcZBrMblJJesmG9jg== X-Received: by 2002:a63:9a4a:: with SMTP id e10mr28779764pgo.366.1554736415473; Mon, 08 Apr 2019 08:13:35 -0700 (PDT) Received: from [192.168.1.121] (66.29.188.166.static.utbb.net. [66.29.188.166]) by smtp.gmail.com with ESMTPSA id g64sm70307820pfg.13.2019.04.08.08.13.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Apr 2019 08:13:34 -0700 (PDT) Subject: Re: [PATCH 1/1] block, bfq: delete "bfq" prefix from cgroup filenames To: Johannes Thumshirn Cc: Paolo Valente , linux-block , linux-kernel , Ulf Hansson , Linus Walleij , Mark Brown , 'Paolo Valente' via bfq-iosched , Oleksandr Natalenko , Angelo Ruocco , lennart@poettering.net, mkoutny@suse.cz References: <20190408143935.9062-1-paolo.valente@linaro.org> <20190408143935.9062-2-paolo.valente@linaro.org> <20190408144925.GA23021@linux-x5ow.site> <7B68DAA9-61D9-4AE0-9FA9-05C07C7FE408@linaro.org> <20190408150430.GB23021@linux-x5ow.site> <20190408150828.GC23021@linux-x5ow.site> From: Jens Axboe Message-ID: Date: Mon, 8 Apr 2019 09:13:32 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190408150828.GC23021@linux-x5ow.site> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 4/8/19 9:08 AM, Johannes Thumshirn wrote: > On Mon, Apr 08, 2019 at 09:05:19AM -0600, Jens Axboe wrote: >> I did consider that, and that would be doable. But honestly, I'm having a >> hard time seeing what issue we are attempting to fix by doing this. > > Yeah, I guess the real fix would be to update the documentation and the > expectations user-space has. Including eventual re-write of some udev rules or > whatever is facing these files. But to me that sounds more like a systemd or > even distro thing than a kernel thing. I agree. Trying to force someones hand by renaming isn't going to fix anything, but it will potentially cause issues. -- Jens Axboe