linux-kernel - Re: [PATCH 0/8] Security: Provide unioned file support

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Message-ID: <20150619072015.GH17109@ZenIV.linux.org.uk>
Date:	Fri, 19 Jun 2015 08:20:15 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	David Howells <dhowells@...hat.com>
Cc:	sds@...ho.nsa.gov, miklos@...redi.hu,
	linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-unionfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] Security: Provide unioned file support

On Thu, Jun 18, 2015 at 02:32:15PM +0100, David Howells wrote:
> 
> The attached patches provide security support for unioned files where the
> security involves an object-label-based LSM (such as SELinux) rather than a
> path-based LSM.
> 
> The patches can be broken down into a number of sets:
> 
>  (1) A small patch to drop a lock earlier in overlayfs.  The main VFS patch
>      touches the same code, so I put this first.
> 
>  (2) The main VFS patch that makes an open file struct referring to a union
>      file have ->f_path point to the union/overlay file whilst ->f_inode and
>      ->f_mapping refer to the subordinate file that does the actual work.

#1 and #2 applied, will be in tomorrow vfs.git#for-next
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