From e3bb2e30d532b00a9bdda997e174a9f9916cb1c0 Mon Sep 17 00:00:00 2001
From: Alex Elder <aelder@sgi.com>
Date: Thu, 15 Apr 2010 18:17:30 +0000
Subject: [PATCH] xfs: avoid repeated pointer dereferences

In xlog_find_cycle_start() use a local variable for some repeated
operations rather than constantly accessing the memory location
whose address is passed in.

(This version drops an assertion that a pointer is non-null.)

Signed-off-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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