From a7bd794a0f489a66ad595f2bcab0eac8f232e409 Mon Sep 17 00:00:00 2001
From: Jeff Liu <jeff.liu@oracle.com>
Date: Mon, 28 Jan 2013 21:27:25 +0800
Subject: [PATCH] xfs: introduce XFS_SB_LOG_RES() for transactions that modify
 sb on disk

Introduce a new transaction space reservation XFS_SB_LOG_RES() for
those transactions that need to modify the superblock on disk.

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
CC: Dave Chinner <david@fromorbit.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
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