From 2f50d8b63dd6e5320a9d223298df19df3502da29 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 3 Feb 2010 17:31:31 +1100
Subject: [PATCH] sunrpc/cache: factor out cache_is_expired

This removes a tiny bit of code duplication, but more important
prepares for following patch which will perform the expiry check in
cache_lookup and the rest of the validity check in cache_check.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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