From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-7.5 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id B12B87D08A for ; Mon, 12 Nov 2018 15:54:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728416AbeKMBsA (ORCPT ); Mon, 12 Nov 2018 20:48:00 -0500 Received: from mail-yw1-f65.google.com ([209.85.161.65]:39176 "EHLO mail-yw1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727976AbeKMBr7 (ORCPT ); Mon, 12 Nov 2018 20:47:59 -0500 Received: by mail-yw1-f65.google.com with SMTP id v8-v6so4532561ywh.6 for ; Mon, 12 Nov 2018 07:54:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=r5C+dKXcwSZAzQOUrX1AKmtEGGonS4ljAod+QzwhprQ=; b=wS0jPtctkINZdfYY8Yn8YnjPZB9RMnRo+2qQAHSwB4RI5JMXGA5aQunWXZoC2wAKpO 95dw/8cc4FIcQBfg4LfKJZUd7K/RRlAsMiEVfZfa12Q3HmfTbaqZWjWF61M9jCJIw9b+ Dk61ET4VQwPqugp8Cr6Cj6j3BoSgPfIX45eyNQMZBe7ACyZVU34fTBlPqzoGuDcVdoFQ FbjQBj35p+LwjkFshVqkr4DtqMo8NuHJh++sPr74H52Y0EohT/XpTclKcsbXK4duEqam XrmQAQiiPOGK9JZg66GXTXrIWthTVejhYLBhxU+JwcqEHdbaX3O5fKLeKBYRqUOYh9uH exHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=r5C+dKXcwSZAzQOUrX1AKmtEGGonS4ljAod+QzwhprQ=; b=O1wbsTRMgcu4cm2kGi8//M1ENuuDZPgTWswL3ppdy2uTI8bO6WN3QmiAQhFjV4R9NU EaW16ZdF2V66dBcHp4ed9uhO2Nd+GgagTNBESz/ixmXYKwLNNSs0bshyPFU0tLapadYW /GQC9AfmsTh5WWuXBG2cKuQ1u7kUG5CFIPTaxQL6Gqeb59AbaCPqWy61Awg95LHp7q+i EDbdLQSG4UOr+Cxi6rEpRO6LWkanH0X6MQfy1os4TogdNHiCHCin0ASVNpyP7PtZ1xGW /QzHxdmy8V5Z8YnYNGs3Qjf4Jt8w9NCqv3D3d5RyWUKw42ZWI2JtB0W1eVCrhcQXR7bO hWFA== X-Gm-Message-State: AGRZ1gI/lmggpocZMrjEHXEN8EgJUCYliRXFZB4njwpJSb4XhrTMKWS2 c2U5P/GQ1v1w//uC76h0s6VEEw== X-Google-Smtp-Source: AJdET5dVHxhGWE3gafxp+X9SirAauLK4/M9SfxUCPlodelO8aOEJ7VHE9Si2tq15rx+huJp/cXERlQ== X-Received: by 2002:a81:256:: with SMTP id 83-v6mr1376248ywc.344.1542038049960; Mon, 12 Nov 2018 07:54:09 -0800 (PST) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id s129-v6sm4548761ywc.41.2018.11.12.07.54.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Nov 2018 07:54:09 -0800 (PST) Date: Mon, 12 Nov 2018 10:54:08 -0500 From: Josef Bacik To: Jens Axboe Cc: Paolo Valente , Oleksandr Natalenko , Greg Kroah-Hartman , Tejun Heo , Li Zefan , Angelo Ruocco , Dennis Zhou , Josef Bacik , Liu Bo , Bart Van Assche , Johannes Weiner , linux-block , linux-kernel , Ulf Hansson , Linus Walleij , Mark Brown , 'Paolo Valente' via bfq-iosched , cgroups@vger.kernel.org, linux-doc@vger.kernel.org, Jonathan Corbet , lennart@poettering.net Subject: Re: [PATCH 00/12] unify the interface of the proportional-share policy in blkio/io Message-ID: <20181112155406.rtx7ze2l3gadmiyx@MacBook-Pro-91.local> References: <20181112095632.69114-1-paolo.valente@linaro.org> <9e8adb3271680165d85994a225713391@natalenko.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180716 Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Mon, Nov 12, 2018 at 08:48:35AM -0700, Jens Axboe wrote: > On 11/12/18 8:45 AM, Paolo Valente wrote: > > BTW, since this patch series is probably even more useful for older > > than for future kernels, might it make sense to also propose it for > > stable/longterm kernels (provided that such a possibility exists)? > > That just not how things work, we don't put different things in > older/stable kernels, it's strictly backports of what we have in > current/newer kernels. Hence it appears to be a dead end right now. > It may not be useful currently, but my plans are to do a scheduler agnostic proportional io controller next, so having these interfaces unified would be nice so I don't have to do a rqos.io.weight or something similar. Thanks, Josef