linux-kernel - Re: [PATCH] Fix procfs task exe symlink

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Date:	Wed, 23 Jan 2008 20:01:05 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Matt Helsley <matthltc@...ibm.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, Al Viro <viro@....linux.org.uk>,
	David Howells <dhowells@...hat.com>,
	William H Taber <wtaber@...ibm.com>,
	William Cesar de Oliveira <owilliam@...ibm.com>,
	Richard Kissel <rkissel@...ibm.com>,
	Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] Fix procfs task exe symlink


On Jan 23 2008 10:29, Matt Helsley wrote:
>
>For executables on the stackable MVFS filesystem the current procfs
>methods for implementing a task's exe symlink do not point to the
>correct file and applications relying on the symlink fail (see the
>java example below).

This reminds me of unoionfs - it also had this issue, but IIRC,
it eventually got solved. (Should now display /union/exe rather
than /lowerlevel/exe.) Unionfs developers should know more.
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