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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D2A7C25B08 for ; Sat, 13 Aug 2022 07:15:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237399AbiHMHPu (ORCPT ); Sat, 13 Aug 2022 03:15:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229507AbiHMHPm (ORCPT ); Sat, 13 Aug 2022 03:15:42 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51D5D4B4BF; Sat, 13 Aug 2022 00:15:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=vYYon2uzzpmLpiYSbuG/TOWLg7+Nuk3SA0Hqh/kQ1zI=; b=Bod9/1VIzvLLwlBHl5Qblw6+qZ Fvz//Xng5Sz65C9TbnWlLiHopKBfL4BQShqd/zc1jsSF1GIKWvkJrVn7VLzPwOPIpD7lE0gSChDOM kLscXAPwN1193FjAGTWHYQU47ZcgQv2qEdNpm+mtlNdjhMOwuhq8MkFs8nzRMu3DofKSvT8gYm52P SiAHnLKOLC0FWU/+3eExWeCas+qnKh87lNhk/HZkrhDc5m/FGzwWvTlPLnLDpPv+dtieasGnzVL8W CgfEqdES2vXxbTa/CeS7EO3vKrqFv687jFPCZSeWVtSIzXW1uPgxh/3X4NlAi6pSAsOe3vYXN26cB IW699G/g==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1oMlMq-009Dgs-HE; Sat, 13 Aug 2022 07:15:32 +0000 Date: Sat, 13 Aug 2022 00:15:32 -0700 From: Christoph Hellwig To: Yu Kuai Cc: Christoph Hellwig , viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, "yukuai (C)" Subject: Re: [PATCH] fs: fix possible inconsistent mount device Message-ID: References: <20220813060848.1457301-1-yukuai1@huaweicloud.com> <230cf303-b241-957d-f5aa-5d367eddeb3f@huaweicloud.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <230cf303-b241-957d-f5aa-5d367eddeb3f@huaweicloud.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Sat, Aug 13, 2022 at 03:09:58PM +0800, Yu Kuai wrote: > Thanks for your reply. Do you think it's better to remove the rename > support from dm? Or it's better to add such limit? It will probably be hard to entirely remove it. But documentation and a rate limited warning discouraging it seems like a good idea.