From fee7fe196c41847c135cde41b0ec790f53ee6fcf Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Fri, 27 Apr 2012 13:48:18 -0400
Subject: [PATCH] NFS: Simplify the cache invalidation code

Now that NFSv2 and NFSv3 have simulated change attributes,
instead of using all three of mtime, ctime and change attribute to
manage data cache consistency, we can simplify the code to just use
the change attribute.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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