linux-kernel - Re: [RFC] readlink()-related oddities

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Message-ID: <25928.1448036810@warthog.procyon.org.uk>
Date:	Fri, 20 Nov 2015 16:26:50 +0000
From:	David Howells <dhowells@...hat.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-security-module@...r.kernel.org, miklos@...redi.hu
Subject: Re: [RFC] readlink()-related oddities

Al Viro <viro@...IV.linux.org.uk> 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
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