Received: by 10.223.185.116 with SMTP id b49csp3463367wrg; Sun, 25 Feb 2018 23:49:26 -0800 (PST) X-Google-Smtp-Source: AH8x226+kFajJoEB8XRxwxPpEB+MBD6drzlorMOg9bVnGCPvo6ErL7OdCyQ/USNPPBA0ighdgsK2 X-Received: by 10.98.10.219 with SMTP id 88mr9770812pfk.202.1519631365818; Sun, 25 Feb 2018 23:49:25 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519631365; cv=none; d=google.com; s=arc-20160816; b=u5h9pL4JfJntnwa8NqvRS/z6NYCh4jCCoz5nfxM0MV9gEXlqfwsRS6FsMDJD10mLE7 VYIZ1gWUBxo9SoOjsj9Y8eA4r43lujMU+3YNKMK0BUDPK45v+UhMgYMDuoa44O0Ljf9G jD/K8FeGIwuPFSscryAO1vFy0jqPsmccVQDF+S+bYKwf0Kq7YIgYTBUy3wzeicJdefTo Nqi4UGW9Fl0Mttbk5h2k3Fs6hc6ZrQzfMk0UUrSpNskb/LjY466flyLbhIIDha0Io7Eh HdPmaeDg6sAIpUoJWIj4dQiaBMNYxLL6+rzeeUUxjpobodT9PtzG9NiRZuLMuXbT4aiK lowQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :references:in-reply-to:mime-version:arc-authentication-results; bh=4WxOLKc4m07YJKo22kaT/Ryt0lPztr30xp0NgDQlEPc=; b=T+VCxGnCIg8Ks34RZMoaFe0Z09H5B44yZho1cvs18FzQ7V2GGBAhcgjuXyIjZAaQHW 3UKrLs+B9S8o9PnBhxC/kOiL6eVDKthJuWSq7JljhG6tT8cQEuGBZGzwDtm8SsqcR2hS CWuMcq9/lwx0eMtQkgxXco0tsUYLvdzti2fl7JT5PvtOdRKIx7NXI0zKBwqT0NbBFaqt vWiYMsv7UFyYyNyNKvoobN1FQEHsAaSwqe6A408bz3VkgAx0c5PXdunxyo8xAoDgJXIa /ZWIamrLPFt7Mut97bT5W0NWhwNTXLaoI5igLjxWo+hHT45LYR8jrZZhnGa6I/fuRVzP m8Ww== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n79si6384786pfa.148.2018.02.25.23.49.11; Sun, 25 Feb 2018 23:49:25 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752154AbeBZHrZ (ORCPT + 99 others); Mon, 26 Feb 2018 02:47:25 -0500 Received: from mail-qt0-f171.google.com ([209.85.216.171]:36883 "EHLO mail-qt0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751014AbeBZHrW (ORCPT ); Mon, 26 Feb 2018 02:47:22 -0500 Received: by mail-qt0-f171.google.com with SMTP id r16so8815207qtm.4 for ; Sun, 25 Feb 2018 23:47:22 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=4WxOLKc4m07YJKo22kaT/Ryt0lPztr30xp0NgDQlEPc=; b=AyEPdNN0rSKD55HlEOgFpMhgRw/2zJrJMTWfRucsULzY0VSuYTuqyqRBm8AQdtEVWV XWg4Pii2yZk0AiKvITY9mYq08zxHTCW3A1PQuoAVFAN1QloKnHgyq6nlL6W3qgr1WwJ+ BRDrNpmpNXP4DH7GMS6/6ldo4VGd3ZZFsKu0NcZ6l9o/Q9Emx/cJ8hZHuItIuPN62l0/ k5rUM9p2m1FqUyrSlf2S6xAb9Cpjf63NOBhgx+qZu1QI94bfaBibNhIe3EDE7Wen0d3c 7Prv6TeiZudEJWh5Ev2ie/DYhH5hg1CMQagmL6nWcaQ9N47a/ciyJNH2/ZO2jbm2aZ/6 BR4w== X-Gm-Message-State: APf1xPBWS08lxMaGUIRpCmHhuStrticM+r43U3YeGNsvPFOWaTFHpb+F lUUMxYhvUkAf9WZHx6gMOibMeEvXSKIUDh3aVeMiag== X-Received: by 10.200.82.76 with SMTP id y12mr16705810qtn.75.1519631241917; Sun, 25 Feb 2018 23:47:21 -0800 (PST) MIME-Version: 1.0 Received: by 10.140.29.117 with HTTP; Sun, 25 Feb 2018 23:47:21 -0800 (PST) In-Reply-To: <87mv004p0t.fsf@xmission.com> References: <878tbmf5vl.fsf@xmission.com> <20180221202908.17258-4-ebiederm@xmission.com> <87inao6dfa.fsf@xmission.com> <87mv004p0t.fsf@xmission.com> From: Miklos Szeredi Date: Mon, 26 Feb 2018 08:47:21 +0100 Message-ID: Subject: Re: [PATCH v6 4/5] fuse: Ensure posix acls are translated outside of init_user_ns To: "Eric W. Biederman" Cc: lkml , Linux Containers , linux-fsdevel , Alban Crequy , Seth Forshee , Sargun Dhillon , Dongsu Park , "Serge E. Hallyn" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 22, 2018 at 11:50 PM, Eric W. Biederman wrote: > So if we could figure out how to use the generic acl support for the old > brand of fuse filesystems that don't set FUSE_POSIX_ACL it would be much > easier to support them long term. Simplest and most robust way seems to be to do everything the same (as with FUSE_POSIX_ACL) but tell the vfs not to cache the acl. Thanks, Miklos