From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760726AbbKTQ1A (ORCPT ); Fri, 20 Nov 2015 11:27:00 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59131 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759954AbbKTQ05 (ORCPT ); Fri, 20 Nov 2015 11:26:57 -0500 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20151120160842.GL22011@ZenIV.linux.org.uk> References: <20151120160842.GL22011@ZenIV.linux.org.uk> <20151119232635.GI22011@ZenIV.linux.org.uk> <22313.1448013545@warthog.procyon.org.uk> To: Al Viro Cc: dhowells@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Torvalds , linux-security-module@vger.kernel.org, miklos@szeredi.hu Subject: Re: [RFC] readlink()-related oddities MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <25925.1448036810.1@warthog.procyon.org.uk> Date: Fri, 20 Nov 2015 16:26:50 +0000 Message-ID: <25928.1448036810@warthog.procyon.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Al Viro wrote: > All of them? I see two kinds there - one is magical symlink (recognized > by contents in afs_iget()), another is this autocell thing, the latter > having no ->readlink(). Both serve as automount points, don't they? The "autocell" thing is where you don't have an AFS file of that name and lookup of that non-existent file as an attempt to mount a destination volume encoded by the filename. David