From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [Patch] pipe: use file_update_time() when hold i_mutex
Date: Mon, 20 Jul 2009 14:11:50 -0700
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To: Amerigo Wang <amwang@redhat.com>
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On Mon, 6 Jul 2009 01:35:30 -0400
Amerigo Wang <amwang@redhat.com> wrote:

> 
> file_update_time() should be called with i_mutex held,
> move it before mutex_unlock().
> 

Why do you believe that file_update_time() needs i_mutex?