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=-5.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 78755C64E7A for ; Tue, 1 Dec 2020 11:13:32 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A0D3A206D8 for ; Tue, 1 Dec 2020 11:13:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A0D3A206D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=containers-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 149292E0EB; Tue, 1 Dec 2020 11:13:31 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lYXS04ewdhXV; Tue, 1 Dec 2020 11:13:30 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 194BC2E0E4; Tue, 1 Dec 2020 11:13:30 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 0BF84C0859; Tue, 1 Dec 2020 11:13:30 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id C3A8AC0052 for ; Tue, 1 Dec 2020 11:13:28 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 6EB632E0EB for ; Tue, 1 Dec 2020 11:13:28 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JyhhZpEG0Srl for ; Tue, 1 Dec 2020 11:13:27 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by silver.osuosl.org (Postfix) with ESMTPS id 8A4772E0E4 for ; Tue, 1 Dec 2020 11:13:27 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 2681867373; Tue, 1 Dec 2020 12:13:21 +0100 (CET) Date: Tue, 1 Dec 2020 12:13:20 +0100 From: Christoph Hellwig To: Christian Brauner Subject: Re: [PATCH v3 33/38] ext4: support idmapped mounts Message-ID: <20201201111320.GA31288@lst.de> References: <20201128213527.2669807-1-christian.brauner@ubuntu.com> <20201128213527.2669807-34-christian.brauner@ubuntu.com> <20201201105445.GJ27730@lst.de> <20201201110219.7gykwbsij6ld45wb@wittgenstein> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201201110219.7gykwbsij6ld45wb@wittgenstein> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: Lennart Poettering , Mimi Zohar , David Howells , Andreas Dilger , containers@lists.linux-foundation.org, Christoph Hellwig , Tycho Andersen , Paul Moore , Jonathan Corbet , smbarber@chromium.org, Christoph Hellwig , linux-ext4@vger.kernel.org, Mrunal Patel , Kees Cook , Arnd Bergmann , selinux@vger.kernel.org, Josh Triplett , linux-fsdevel@vger.kernel.org, Aleksa Sarai , Alexander Viro , Andy Lutomirski , OGAWA Hirofumi , Geoffrey Thomas , James Bottomley , John Johansen , Theodore Tso , Seth Forshee , Dmitry Kasatkin , Stephen Smalley , fstests@vger.kernel.org, linux-security-module@vger.kernel.org, "Eric W. Biederman" , linux-api@vger.kernel.org, Casey Schaufler , Alban Crequy , linux-integrity@vger.kernel.org, Todd Kjos X-BeenThere: containers@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux Containers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: containers-bounces@lists.linux-foundation.org Sender: "Containers" On Tue, Dec 01, 2020 at 12:02:19PM +0100, Christian Brauner wrote: > On Tue, Dec 01, 2020 at 11:54:45AM +0100, Christoph Hellwig wrote: > > What is the reason for the config option? The only thing that it > > controls is setting of a single flag. > > I wanted to be conservative and give users the option to disable this on > their kernel. Would you prefer if I drop it? I don't think adding an option per file system scales in any way. If there is some strong urge to disable the functionality (which I see no reason for) we could add something like a global sysctl for all on-disk file systems. _______________________________________________ Containers mailing list Containers@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/containers