From: Torsten Foertsch <torsten.foertsch@gmx.net>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.4.19] How to get the path name of a struct dentry
Date: Wed, 12 Mar 2003 13:38:42 +0100 [thread overview]
Message-ID: <200303121338.46661.torsten.foertsch@gmx.net> (raw)
In-Reply-To: <20030312104741.A9625@infradead.org>
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On Wednesday 12 March 2003 11:47, Christoph Hellwig wrote:
> On Wed, Mar 12, 2003 at 11:38:27AM +0100, Torsten Foertsch wrote:
> > Next question, is there a way to get the dentry and vfsmount of /? I mean
> > not current->fs->root and current->fs->rootmnt. They can be chrooted. I
> > mean the real /.
>
> No. Esecially as there is not single "real" root.
That means one can build a system with 2 (or more) completely independent file
system areas combining chroot() and pivot_root(), doesn't it?
fork()
|
+---------------+--------------+
| |
chroot /area1 |
| |
signal parent ====================> pause
| |
... pivot_root /area2
|
...
Torsten
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next prev parent reply other threads:[~2003-03-12 12:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-12 9:33 Torsten Foertsch
2003-03-12 10:11 ` Christoph Hellwig
2003-03-12 10:38 ` Torsten Foertsch
2003-03-12 10:47 ` Christoph Hellwig
2003-03-12 12:38 ` Torsten Foertsch [this message]
2003-03-12 12:53 ` Christoph Hellwig
2003-03-12 13:04 ` Torsten Foertsch
2003-03-12 13:32 ` Torsten Foertsch
2003-03-12 13:59 ` Christoph Hellwig
2003-03-12 14:51 ` Torsten Foertsch
2003-03-12 10:13 ` Arjan van de Ven
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