From eedd40e1cad4217c9b7e2577debcdd0c48732cc3 Mon Sep 17 00:00:00 2001
From: Younger Liu <younger.liu@huawei.com>
Date: Tue, 12 Nov 2013 15:07:03 -0800
Subject: [PATCH] ocfs2: rollback transaction in ocfs2_group_add()

If ocfs2_journal_access_di() fails, group->bg_next_group should rollback.
Otherwise, there would be a inconsistency between group_bh and main_bm_bh.

Signed-off-by: Younger Liu <younger.liu@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Acked-by: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reading git-format-patch failed