Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp3462200imm; Mon, 13 Aug 2018 12:06:49 -0700 (PDT) X-Google-Smtp-Source: AA+uWPzLZzhyb0kISBxL6oNbDQ/ODVfwJM2rbYK8j4hmnWGyXcYUO0qDzRroUjFiRJRtx9WyMUwa X-Received: by 2002:a63:2fc6:: with SMTP id v189-v6mr18121209pgv.61.1534187209039; Mon, 13 Aug 2018 12:06:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1534187209; cv=none; d=google.com; s=arc-20160816; b=EZHvxCVvqKgsCCJCxVSucjw6uohYS2wffVQXD2almyeXXdyMeDPtkdRwuMbuJ/s91a 4xR1Hgb8mZLI3iMJyNkeKIQrxeJSv+hDGv6uQNt+gQ5s55aEr767cNWlpcQMt5dPEtI4 YfeBd3iL7SQ4HsxV/fIYWTrJkKuQE1aZjIDM8Ph03XLSqtXSJg0G2ZshTWQ3Oq8Us1OI 3eUcJudrQD+mPL2Z/9fyEqKHdAfG8A9yNDil5R9iDdNcuplwJbHbouDLT1M9QaqrTCNs 7zKgyRWYyDuHwJV7oQOs0fSoXZXGUNW0iMD9wZ2KkQxYquuDbxV+O57Ci1VZK6vG49SP e15w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date :arc-authentication-results; bh=5FUSE2Oki8bTifIPZdpjTHJAydlWZs6DYA6dYUwMQ+s=; b=Et7veTzRQH17MUl6TWMcJ5U8J35XxSpJSenHnDUu3blx0kjq9hWlH9RCOC734WazOn qIC8DMdyKzl0nIMcPYs27YOWeM9jc4VF2l7YbsQLSQUOZe5e5QPW8ILCUc5iPxNRJo6a YwZ44ogvl6mMPPoJxCDm+hnHckqB0OdahOy0vR4z3ew28z+gfaN/goeP4MAgQ1GCBt6S fI0oVgZMOaYRhepMQ2bxjFA+pdeonQiQKKheFe3/nNPkIvOy0qTjQtReBm3ssWWT8cWN FG0N4/hDkFRDMCE8ExeX6PBOql6TaTQuJj8okoJzeokeyjcp1OrSOAJ7jg7akReY6/xM p3MA== 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i123-v6si18414462pfe.145.2018.08.13.12.06.33; Mon, 13 Aug 2018 12:06:49 -0700 (PDT) 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730589AbeHMVpK (ORCPT + 99 others); Mon, 13 Aug 2018 17:45:10 -0400 Received: from namei.org ([65.99.196.166]:43008 "EHLO namei.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729719AbeHMVpK (ORCPT ); Mon, 13 Aug 2018 17:45:10 -0400 Received: from localhost (localhost [127.0.0.1]) by namei.org (8.14.4/8.14.4) with ESMTP id w7DJ0fdn023710; Mon, 13 Aug 2018 19:00:41 GMT Date: Tue, 14 Aug 2018 05:00:41 +1000 (AEST) From: James Morris To: Al Viro cc: Andy Lutomirski , Alan Cox , "Theodore Y. Ts'o" , David Howells , "Eric W. Biederman" , John Johansen , Tejun Heo , SELinux-NSA , Paul Moore , Li Zefan , Linux API , apparmor@lists.ubuntu.com, Casey Schaufler , Fenghua Yu , Greg Kroah-Hartman , Eric Biggers , LSM List , Tetsuo Handa , Johannes Weiner , Stephen Smalley , tomoyo-dev-en@lists.sourceforge.jp, "open list:CONTROL GROUP (CGROUP)" , Linus Torvalds , Linux FS Devel , LKML , Miklos Szeredi Subject: Re: BUG: Mount ignores mount options In-Reply-To: <20180813172947.GS6515@ZenIV.linux.org.uk> Message-ID: References: <20180810153902.GH21087@thunk.org> <87d0uqpba5.fsf@xmission.com> <153313703562.13253.5766498657900728120.stgit@warthog.procyon.org.uk> <22361.1533913891@warthog.procyon.org.uk> <28045.1533916438@warthog.procyon.org.uk> <20180810161400.GA627@thunk.org> <20180813173502.1a7a1d9c@alans-desktop> <20180813172947.GS6515@ZenIV.linux.org.uk> User-Agent: Alpine 2.21 (LRH 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 13 Aug 2018, Al Viro wrote: > On Mon, Aug 13, 2018 at 09:48:53AM -0700, Andy Lutomirski wrote: > > Are there cases I'm missing? It sounds like the API could be improved > > to fully model the last case, and everything will work nicely. > > You know, that's starting to remind of this little gem of Borges: > http://www.alamut.com/subj/artiface/language/johnWilkins.html > Especially the delightful (fake) quote contained in there: > [...] it is written that the animals are divided into: > (a) belonging to the emperor, > (b) embalmed, > (c) tame, > (d) sucking pigs, > (e) sirens, > (f) fabulous, > (g) stray dogs, > (h) included in the present classification, > (i) frenzied, > (j) innumerable, > (k) drawn with a very fine camelhair brush, > (l) et cetera, > (m) having just broken the water pitcher, > (n) that from a long way off look like flies. Coincidentally, this was also the model for Linux capabilities. -- James Morris