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Date: Wed, 4 Jan 2012 16:46:38 -0800
From: Andrew Morton <akpm@linux-foundation.org>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Dmitry Kasatkin <dmitry.kasatkin@intel.com>, linux-fsdevel@vger.kernel.org,
        linux-security-module@vger.kernel.org, viro@zeniv.linux.org.uk,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/1] vfs: iversion truncate bug fix
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On Wed, 04 Jan 2012 19:33:49 -0500
Mimi Zohar <zohar@linux.vnet.ibm.com> wrote:

> On Wed, 2012-01-04 at 15:28 -0800, Andrew Morton wrote:
> > On Thu, 22 Dec 2011 08:26:30 -0500
> > Mimi Zohar <zohar@linux.vnet.ibm.com> wrote:
> > 
> > > On Thu, 2011-12-22 at 12:54 +0200, Dmitry Kasatkin wrote:
> > > > When a file is truncated with truncate()/ftruncate() and then closed,
> > > > iversion is not updated. This patch uses ATTR_SIZE flag as an indication
> > > > to increment iversion.
> > > > 
> > > > Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
> > > 
> > > Acked-by: Mimi Zohar <zohar@us.ibm.com> 
> > > (Stable should be cc'ed on this patch.)
> > 
> > why?
> 
> Why backported?

Yes.  If you want to submit the patch to the -stable maintainer then
you should explain to him why the fix is important enough to warrant
doing that.  That involves explaining the user-visible effects of
the bug.

>  The IMA measurement list could be incomplete.

In more detail than this.  Maybe he knows what the above sentence
means, but I sure don't.