Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp1253508pxb; Fri, 22 Jan 2021 10:38:03 -0800 (PST) X-Google-Smtp-Source: ABdhPJztdyYK+Vm47Zx0Qpj+Sl3ITPLAWRRf272lPNmAf1oFyrUvod+V7RPURnP3Yp6EoET0Idxa X-Received: by 2002:a17:906:490d:: with SMTP id b13mr395776ejq.307.1611340683219; Fri, 22 Jan 2021 10:38:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611340683; cv=none; d=google.com; s=arc-20160816; b=Y+/xnfUT4K3d9lHlVaGDT3itAb7aswnzjiWO6mU79WJ73dlm/thx8Ml95afax+cygt DXRPVx0aCjsiQd4Ji9oUcv24lFZHwDLsTiW1fd52rKj8iw6MydSIyFxC6OwxYUU/sQQ6 9HDF7UC2VsQFIiAW41FJ+0mMh+teFnIAyaK/p5cEIwNt9XldwZ0yDqmsdYcgFsPn+bNZ B6txdtjHIVCG6RInSfNQF0L4HdPaRx95/DYtmeiaXryajz73iWZWNvwikJmNws6gnz0T 1tIL3pR9oYqK1HJ7eheFbdR3JC7Vbjuui+b0Bnahz41HDwFaQggk01ybbfLfHQE5VvbV 65ww== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=1c98IRBdQWII5oR5qA1sAq/wHaUCW4zc/7h142cpx98=; b=aZwL/UD8lh7XQXNQsftUl2J77pGgyQ1JR7VV+maZRoWBmaVNk4l5wq9k3Wx4iqK+qT PMFyo2xIwbkZ1fHiiqKBHjZwuhCVL5nXlUEntT25wkv8petRhsjSbxGQZKx3Qb0EC9l8 Iwnwsc2H2ZHSzL7I739lI8jBOhW7B4svQI8xT0o0Rmn4uoQORppn8Mnzsw+PoGXDUP17 mYgqKnvxV08BScPswaq76OzZwrVCbD3CNUTw6uIE5ocMcSk/wEbCGiR2NboEkbyxf0v/ DzAzD5bBDvtLp4XB4J+gJPKNqrg4A6cZ2GAW1Fia7ajnRYQrA6t2+n1/LpxnOiRWe+F5 fSfg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id jg13si3479314ejc.669.2021.01.22.10.37.37; Fri, 22 Jan 2021 10:38:03 -0800 (PST) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729019AbhAVSRf (ORCPT + 99 others); Fri, 22 Jan 2021 13:17:35 -0500 Received: from verein.lst.de ([213.95.11.211]:37482 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729312AbhAVRYB (ORCPT ); Fri, 22 Jan 2021 12:24:01 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id ADBE468C4E; Fri, 22 Jan 2021 18:23:08 +0100 (CET) Date: Fri, 22 Jan 2021 18:23:08 +0100 From: Christoph Hellwig To: Christian Brauner Cc: Alexander Viro , Christoph Hellwig , linux-fsdevel@vger.kernel.org, John Johansen , James Morris , Mimi Zohar , Dmitry Kasatkin , Stephen Smalley , Casey Schaufler , Arnd Bergmann , Andreas Dilger , OGAWA Hirofumi , Geoffrey Thomas , Mrunal Patel , Josh Triplett , Andy Lutomirski , Theodore Tso , Alban Crequy , Tycho Andersen , David Howells , James Bottomley , Seth Forshee , =?iso-8859-1?Q?St=E9phane?= Graber , Linus Torvalds , Aleksa Sarai , Lennart Poettering , "Eric W. Biederman" , smbarber@chromium.org, Phil Estes , Serge Hallyn , Kees Cook , Todd Kjos , Paul Moore , Jonathan Corbet , containers@lists.linux-foundation.org, linux-security-module@vger.kernel.org, linux-api@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-integrity@vger.kernel.org, selinux@vger.kernel.org Subject: Re: [PATCH v6 20/40] init: handle idmapped mounts Message-ID: <20210122172308.GC20347@lst.de> References: <20210121131959.646623-1-christian.brauner@ubuntu.com> <20210121131959.646623-21-christian.brauner@ubuntu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210121131959.646623-21-christian.brauner@ubuntu.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Note that in the early init code the user namespace must be init_user_ns by definition. But passing on the information from the file/path seem ok just in case someone copy and pastes this code.. Reviewed-by: Christoph Hellwig