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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 27308C433B4 for ; Tue, 18 May 2021 13:38:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02EE261074 for ; Tue, 18 May 2021 13:38:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245161AbhERNje (ORCPT ); Tue, 18 May 2021 09:39:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239112AbhERNjd (ORCPT ); Tue, 18 May 2021 09:39:33 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4677C061573 for ; Tue, 18 May 2021 06:38:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=kJq3fDuW0vhs14dgZbWDfYblotf8raqjEHhw4X3znYU=; b=ZN+tR4DBCPXns6Zjx14Hm0e/oM szE5ZtIxGjENY0my+zS+pr1bpQF8pndgEpjlQRAOVTcuk/WVR6whjUIEr/WJKlqmQcqvWMd76fh62 gvByA6Iu08QbooXgSExrr+/MsAyNo0h9dOyn7Z0+g19hYi3zI7B8VTEgoPXrMByZrFVsS24aLe+/h brAnH3I17N8iWlbLNgW3bNx8MWmTFnO1hvZ2NKwJedLhSrTxzZ5DpJs6Q1Rba+aya+uv3pl/U9PDF fFGTN+8PpKshsFCfpRKIcG5q7cCeJtxr6wWaDVneMGixkONN0zz9JOlZXm+Hkx1gG+JL4mgSjT0XV Uk/+CySA==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lizux-00E1Nd-Q6; Tue, 18 May 2021 13:37:57 +0000 Date: Tue, 18 May 2021 14:37:51 +0100 From: Christoph Hellwig To: Guoqing Jiang Cc: song@kernel.org, linux-raid@vger.kernel.org, artur.paszkiewicz@intel.com, Guoqing Jiang Subject: Re: [PATCH 3/5] md-multipath: enable io accounting Message-ID: References: <20210518053225.641506-1-jiangguoqing@kylinos.cn> <20210518053225.641506-4-jiangguoqing@kylinos.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210518053225.641506-4-jiangguoqing@kylinos.cn> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Is anyone actually still using MD multipathing? I wonder if we just need to deprecate and eventually remove this code..