linux-kernel - Re: [TOMOYO #5 02/18] Add wrapper functions for VFS helper functions.

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Date:	Mon, 19 Nov 2007 12:53:34 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Trond Myklebust <trond.myklebust@....uio.no>
Cc:	penguin-kernel@...ove.SAKURA.ne.jp, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [TOMOYO #5 02/18] Add wrapper functions for VFS helper functions.

On Fri, Nov 16, 2007 at 12:47:35PM -0500, Trond Myklebust wrote:
> 
> On Sat, 2007-11-17 at 02:34 +0900, penguin-kernel@...ove.SAKURA.ne.jp
> wrote:
> > plain text document attachment
> > (add-wrapper-functions-for-vfs-helper-functions.patch)
> > This patch allows LSM hooks refer previously associated "struct vfsmount" parameter
> > so that they can calculate pathname of given "struct dentry".
> 
> NACK to this. Passing function parameters through the task_struct is
> definitely not an acceptable hack

Exactly.  Having a vfsmount other than the current processes root or
current working directory in task_struct doesn't make any sense.
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