From 2fe5c1d7eb88830b09c863a4b5b3279dc120f3af Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mark.fasheh@oracle.com>
Date: Wed, 23 Jan 2008 18:35:31 -0800
Subject: [PATCH] ocfs2: clean up bh null checks

If we know a buffer_head is non-null, then brelse() is unnecessary and
put_bh() can be used instead. Also, an explicit check for NULL is
unnecessary when using brelse(). This patch only covers buffer_head_io.c and
resize.c, which have recently added code which exhibits this problem.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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