linux-kernel - Re: [PATCH 3/4] integrity: Linux Integrity Module(LIM)

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Message-ID: <20080812192511.GA18034@infradead.org>
Date:	Tue, 12 Aug 2008 15:25:11 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Mimi Zohar <zohar@...ibm.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	Al Viro <viro@...IV.linux.org.uk>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	James Morris <jmorris@...ei.org>,
	Randy Dunlap <randy.dunlap@...cle.com>, safford@...son.ibm.com,
	serue@...ux.vnet.ibm.com, sailer@...son.ibm.com,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>
Subject: Re: [PATCH 3/4] integrity: Linux Integrity Module(LIM)

On Sun, Aug 10, 2008 at 09:52:13AM -0400, Mimi Zohar wrote:
> We started out with the integrity_inode_permission() hook call in 
> inode_permission(), but because of the removal of the nameidata 
> parameter in the last merge, based on discussions
> http://marc.info/?l=linux-security-module&m=121797845308246&w=2,
> the call to integrity_inode_permission() was moved up to the caller,
> where either a file or path are available.  Any suggestions?

vfs_permission and file_permission are just small wrappers around
inode_permission.  In hindsight they actualyl were a wrong idea and
will probably go away in the not so distant future.  Note that there
are various callers of inode_permission that don't have a vfsmount
anywhere near.

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