linux-kernel - Re: [PATCH 0/2] overlayfs: module and statfs fixes

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Message-Id: <E1P2hgC-0001oA-Gw@pomaz-ex.szeredi.hu>
Date:	Mon, 04 Oct 2010 11:49:56 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	Andy Whitcroft <apw@...onical.com>
CC:	miklos@...redi.hu, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, vaurora@...hat.com, neilb@...e.de,
	viro@...iv.linux.org.uk, apw@...onical.com
Subject: Re: [PATCH 0/2] overlayfs: module and statfs fixes

On Fri,  1 Oct 2010, Andy Whitcroft wrote:
> Just been playing with overlayfs and hit a couple of issues.  First I
> was not able to build this filesystem as a module.  Second statfs support
> was missing.  Following this email are a couple of patches which I used to
> fix these up.  I am not 100% sure the statfs approach is quite right, but
> its not clear the semantics can ever be correct in the face of an overlay.

Applied both patches and pused to the overlayfs.v3 branch.  Also
pushed a patch changing two BUG_ONs to WARN_ON.

> 
> With these applied I was able to drop an overlay over the top of a very
> out of date Ubuntu chroot and upgrade it to the latest and greatest;
> all without incident.

Great, thanks for testing.

Miklos
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