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Message-Id: <1174942147.5713.5.camel@localhost.localdomain>
Date:	Mon, 26 Mar 2007 16:49:07 -0400
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, safford@...son.ibm.com,
	serue@...ux.vnet.ibm.com, kjhall@...ux.vnet.ibm.com,
	zohar@...ibm.com, staubach@...hat.com
Subject: Re: [Patch 5/7] integrity: mtime patch for mmap files

On Sun, 2007-03-25 at 00:26 -0800, Andrew Morton wrote: 
> On Fri, 23 Mar 2007 12:09:58 -0400 Mimi Zohar <zohar@...ux.vnet.ibm.com> wrote:
> 
> > mmaped files are hashed and hmac'ed properly by EVM after being modified
> > when the file's mtime is updated correctly.  Peter Staubach's 'memory
> > mapped files not updating timestamps v2' patch properly updates the
> > mmapped file's mtime.  In those cases when an application does not
> > first msync the file before calling munmap, the mtime is eventually
> > updated, but not before file_close is called.  This patch forces the
> > mtime for mmaped files to be updated in a timely manner.
> 
> I don't think we've ever had that patch in -mm?

We are basing the EVM code on Peter's '[PATCH] memory mapped files not 
updating timestamps v2' patch http://lkml.org/lkml/2007/2/20/255 on the
assumption that it would be accepted.  I guess that has not yet happened.

Mimi Zohar

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