linux-kernel - Re: [PATCH v3 1/1] vfs: iversion truncate bug fix

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Message-ID: <20120105020639.GA1161@kroah.com>
Date:	Wed, 4 Jan 2012 18:06:39 -0800
From:	Greg KH <greg@...ah.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Dmitry Kasatkin <dmitry.kasatkin@...el.com>,
	linux-fsdevel@...r.kernel.org,
	linux-security-module@...r.kernel.org, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/1] vfs: iversion truncate bug fix

On Wed, Jan 04, 2012 at 04:46:38PM -0800, Andrew Morton wrote:
> On Wed, 04 Jan 2012 19:33:49 -0500
> Mimi Zohar <zohar@...ux.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@...ux.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@...el.com>
> > > > 
> > > > Acked-by: Mimi Zohar <zohar@...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.

Nope, I don't either :)
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