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=-4.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 93093C433B4 for ; Wed, 19 May 2021 01:47:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 72B116124C for ; Wed, 19 May 2021 01:47:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234012AbhESBsq (ORCPT ); Tue, 18 May 2021 21:48:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233971AbhESBsp (ORCPT ); Tue, 18 May 2021 21:48:45 -0400 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 34EB6C06175F for ; Tue, 18 May 2021 18:47:27 -0700 (PDT) Received: by mail-pl1-x635.google.com with SMTP id z4so3937947plg.8 for ; Tue, 18 May 2021 18:47:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=4BubrrEnehS4CW+SWXiHDRfHwVzNncQ3YiZbnFr/8Gg=; b=syYCAOGNhvZjx3JG0KIDl1yysEo+5aiUJdtaJ/Qa0mfPd8M2dHcwTalfZoW50wghgM XM5eItYBcp8a7e7SJB27Bn83K85m597wV+ZP05lulzg+JGT+XKwWZLIvqIabBOQyKOUE TfryKdcMDPMeBHFQ8MXYKp6IwEPOlFji/YYGMGumsmu3KjogdH45EtpBWB8y4Zg3atRX NT24aWT6Aa0cxd77fd7oUv8FPpxy4WdxgV085Ep03a9e57PSis7EdOSEbs+rQWWASpAm 87Kf5dvVkn6SsQRvRpcL5N4rxCjnEs82YSdp/Ty+3z7rx7w9nsJGtl5XSCVrk3Hd8uhk qxJA== 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-transfer-encoding :content-language; bh=4BubrrEnehS4CW+SWXiHDRfHwVzNncQ3YiZbnFr/8Gg=; b=bluxvJCkMCl96YbgAoZpmcfsLk8JrNZtNbShhtZYrSJ16ngDQQeQs9UKup2gXmJzh/ hDUnJyyEG0RSTbgj7GtBY2tvLXTzEGy57rb1zksZz+IE18njk3XWDYnfO0M32K21Vf+0 3nO37JyDmhDIvuezATwjyQhDs7PkP2jqm3jRgo0m+A18aDuKiTwjJlE7TEXfHKQmFNH/ YnLmNFYPFpF1l4O1D01S5CW15J5WRceIODhjvNp67A27IWnbcwa70mm1b1lfbJFlLo6s BpqnXx68R9jpioz8AUoxCzySuXqxG67Rv7ZARyE8IrfWKyRYmKz10N/0glLUpbBjEZvt 8KJA== X-Gm-Message-State: AOAM531zTQdj7gN2WsGzG4WXagJjmzoCtX4xIBFxtg0IY9e5EZPJ1Wqd CTilYEZTWd6vwSlwuG8HBDM= X-Google-Smtp-Source: ABdhPJzBGO+p74vmWwR1A21ytU28aluuxnx68KU4RXr8dnRNeEbeaavv9iFXFjVxJ6QAiYKrj4xYkw== X-Received: by 2002:a17:90a:e2d0:: with SMTP id fr16mr8458291pjb.140.1621388846669; Tue, 18 May 2021 18:47:26 -0700 (PDT) Received: from [10.6.3.223] ([89.187.161.155]) by smtp.gmail.com with ESMTPSA id x22sm2717375pjp.42.2021.05.18.18.47.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 May 2021 18:47:26 -0700 (PDT) Subject: Re: [PATCH 3/5] md-multipath: enable io accounting To: Christoph Hellwig Cc: song@kernel.org, linux-raid@vger.kernel.org, artur.paszkiewicz@intel.com, Guoqing Jiang References: <20210518053225.641506-1-jiangguoqing@kylinos.cn> <20210518053225.641506-4-jiangguoqing@kylinos.cn> From: Guoqing Jiang Message-ID: <5b661ed7-187d-d6cd-a103-1635fdb44b32@gmail.com> Date: Wed, 19 May 2021 09:46:55 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org On 5/18/21 9:37 PM, Christoph Hellwig wrote: > Is anyone actually still using MD multipathing? I wonder if we just > need to deprecate and eventually remove this code.. Not sure about it, only linear is marked with deprecated. drivers/md/md-linear.c:MODULE_ALIAS("md-personality-1"); /* LINEAR - deprecated*/ Perhaps better to mention they are deprecated in Kconfig. Thanks, Guoqing