Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp3096531pxb; Tue, 19 Jan 2021 13:46:49 -0800 (PST) X-Google-Smtp-Source: ABdhPJwp93WANkBI/mLQ0zOE4f3yFhA5W5cd81mWNp+yQTyA5TO2JtBUSmnI5mFXwl0T1TlJTtWa X-Received: by 2002:a05:6402:34d2:: with SMTP id w18mr5243397edc.102.1611092809148; Tue, 19 Jan 2021 13:46:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1611092809; cv=none; d=google.com; s=arc-20160816; b=YodZBZTA18pX3kJjGBbSl6tKDJiGtsJaHJgz9ZgZH4qYMAHz+3hIS8crtejVOmOn9k /RxE0TQt8eXF4yBt5TyDoEO52sHNxEZdRANbTfSlPdoRZRV7b9gglbbd4b2bHcgMnkz9 gaDoLpfZFqSJAea+XjQynhp8Q/i3pA/7x15pLa8WJvc8rQcfF7A/WAZ7hjpuyer7+ErD lACoZM0IruoUVM//cx6nH2N61XTf9lf2yiIndvjfPoMUo6bKzmc8CTqNU1Xc7FHGKlAd Y/1siNzBpKStiCc/f+NtBmDMqWtwugrZeCFs/ngjYP6bGVIDVKzX3NRZJ8mmAy2CJpHf cgQQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=paK8yI9ckAlbNflFwTRqYlvKAJSsVRRZOlOINAooLgE=; b=v5pq1HLtCFT+MMKnOrIjJLQOqBf5Hw5nWA1F733iXBjIlWmJp9fq6J808VlqNW0TUD gYXfJoyZbOxDhzAp3zwwjwmdmmMkUkGY+2r05nAOh6LdIcwopxhIWxbEm7NUE3JCUx5U YnplD0ALxRIuGIi3cVk5bhCxJU45UUGCN90eb4PZIGkJnr0CJ3LW3p6TO+qc2hhWBGTw E8XrciQR/ozo27v3Bp9qYyJaXKToXO7nieKbk7uEzPwTL6+Cl2cN/HxchRJuFMkMxqMi ElYpQ36c643mvyk+977I42yOesMelHQ90NOh6t4PBxRbrxQK/YblAQHs3lx+M0V2ePYV /ylA== 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 gf11si19767ejb.179.2021.01.19.13.46.23; Tue, 19 Jan 2021 13:46:49 -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 S1732604AbhASRuT (ORCPT + 99 others); Tue, 19 Jan 2021 12:50:19 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:35725 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726638AbhASO6Y (ORCPT ); Tue, 19 Jan 2021 09:58:24 -0500 Received: from ip5f5af0a0.dynamic.kabel-deutschland.de ([95.90.240.160] helo=wittgenstein) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1l1sRR-0006A4-Nk; Tue, 19 Jan 2021 14:57:09 +0000 Date: Tue, 19 Jan 2021 15:57:05 +0100 From: Christian Brauner To: Christoph Hellwig Cc: Alexander Viro , 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 , St??phane 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, Christoph Hellwig Subject: Re: [PATCH v5 23/42] open: handle idmapped mounts Message-ID: <20210119145705.g2je6ec3lq42fffd@wittgenstein> References: <20210112220124.837960-1-christian.brauner@ubuntu.com> <20210112220124.837960-24-christian.brauner@ubuntu.com> <20210119093848.GH3364550@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210119093848.GH3364550@infradead.org> Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Tue, Jan 19, 2021 at 09:38:48AM +0000, Christoph Hellwig wrote: > I think path_permission() and file_persmission() helpers would reduce > the clutter a lot here. Done.