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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED 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 D85A7C10F13 for ; Mon, 8 Apr 2019 15:19:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A35BA20879 for ; Mon, 8 Apr 2019 15:19:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="k6GTCo5u" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728681AbfDHPTK (ORCPT ); Mon, 8 Apr 2019 11:19:10 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:37147 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728637AbfDHPTK (ORCPT ); Mon, 8 Apr 2019 11:19:10 -0400 Received: by mail-wr1-f67.google.com with SMTP id w10so16911297wrm.4 for ; Mon, 08 Apr 2019 08:19:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/leuO0ReNKxJFhgJ0Qj7KukamA50Bn4keQX7qI/nENE=; b=k6GTCo5umK7gLWSz437KDn9LSP6GlCxNEy4GI7Rh0gEDZvFxEpAL4TbtSYFlVLJ4Ge fGm70b/C4itq7DAv3r5wbbDoGubjcGfZRYW5W5qdmMHX+Pk82yCxd8bJxSF7sSn4L++/ SHJNvARO3Pn0vszp+AJNvT89eAG3kOQIYQu3ZgqLUSDsyOy4fHCPN1zEN7pJl40IIR0q R7JKRK3+IxbcOpyTiDofd8AoewvBhF2GA1Jnpog/fF4tYgsiUE+hoXfu4ViwBjtTck9R X2DhhVhmZOjtb2Ts9U/eFU9ApsHhSUkP/MtdBg7TWBWK+IFI/M1OswuUaH5f3tEimal/ qquw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/leuO0ReNKxJFhgJ0Qj7KukamA50Bn4keQX7qI/nENE=; b=qFbg+Y8UYmbCsKKi+Jw2ziH2ZVGiZpzxH9DWtC/EcUaQFIlGcMJgUIJr3ppSYYI2vf Sa6svG8X7fD1np3bZzsgvpsrg77bzxrlwOC7obFgOGLCZnv44m6WMVFRbURdkELz2HmN KMU+QWolljzgBJvaxgBz77cE+sK0Vpwf9VvO0mm9ubBpW2OPYXrdzvrt21VOQ2gb39Jl 85vAFJKE/y3KUSeNM228UhfZ1h/58yKNrImxkmuN6KJQ0Enz7JeYsDb9su4gYnNIeeoW VPh9JdhakSwbqmpuINqCIIT/uOVDnnjtu7GWg8SRfm7916iNFMC91TnorzVbMM5h3g6b HQNg== X-Gm-Message-State: APjAAAUatUs4RQTM2stu3VY3E/WpqZgdBqYtriYqYvg87Wu9ZeYfJStM JvIZHCr+RlycUu7G1q/4a69qVw== X-Google-Smtp-Source: APXvYqwIL3aSbbSE3AHMHC3+MPX0zhIl82ebt9C8NHdoa3rLCksIfRwVXXfEDjnPoiIE342asVOFSQ== X-Received: by 2002:a5d:448b:: with SMTP id j11mr18416274wrq.218.1554736747973; Mon, 08 Apr 2019 08:19:07 -0700 (PDT) Received: from [192.168.0.100] ([88.147.51.116]) by smtp.gmail.com with ESMTPSA id t15sm28228687wrx.22.2019.04.08.08.19.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Apr 2019 08:19:07 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: [PATCH 1/1] block, bfq: delete "bfq" prefix from cgroup filenames From: Paolo Valente In-Reply-To: Date: Mon, 8 Apr 2019 17:19:06 +0200 Cc: Johannes Thumshirn , 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 Content-Transfer-Encoding: quoted-printable Message-Id: <0266AF07-C2CE-49DC-BC54-519F2C71E1EE@linaro.org> 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> To: Jens Axboe X-Mailer: Apple Mail (2.3445.102.3) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org > Il giorno 8 apr 2019, alle ore 17:13, Jens Axboe ha = scritto: >=20 > 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. >>=20 >> 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. >=20 > I agree. Trying to force someones hand by renaming isn't going to fix > anything, but it will potentially cause issues. >=20 Potential issues against concrete, big issues already with us. The proportional share interface doesn't match the idea people have of it. I don't want to push for this solution, but we cannot pretend we don't have a big problem already. Any solution that could really work is ok for me, including symlinks. Thanks, Paolo > --=20 > Jens Axboe >=20