linux-kernel - Re: [patch 3/3] vfs: fix sys

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Message-Id: <E1KApMs-0007p1-2Z@pomaz-ex.szeredi.hu>
Date:	Mon, 23 Jun 2008 18:58:14 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	viro@...IV.linux.org.uk
CC:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	hch@...radead.org
Subject: Re: [patch 3/3] vfs: fix sys_getcwd for detached mounts

> Darn, this is wrong.  It should be looking at vfsmnt->mnt_namespace ==
> NULL.
> 
> Fixed patch coming up.

And the thing is: getcwd() did return garbage for detached mounts,
except if the mounted dentry was the root of the filesystem.  Which
makes the "detached:..." change slightly prone to breaking something.
Still not very likely, but...

Miklos
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