From 91b51a018d7711b20e9e0bb14c3d790de4e310d4 Mon Sep 17 00:00:00 2001
From: Coly Li <coyli@suse.de>
Date: Mon, 28 Jan 2008 23:58:27 -0500
Subject: [PATCH] ext4: sync up block group descriptor with e2fsprogs.

This patch extends bg_itable_unused of ext4 group descriptor
from 16bit into 32bit. In order to add bg_itable_unused_hi into
struct ext4_group_desc, some extra fields which are already introduced into
e2fsprogs are also added in for consistency.

Signed-off-by: Coly Li <coyli@suse.de>
Cc: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
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