From: Joseph Qi <joseph.qi@huawei.com>
Date: Wed, 24 Jun 2015 23:54:59 +0000 (-0700)
Subject: ocfs2: fix a tiny race when truncate dio orohaned entry
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~125^2~83
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf1776a9e834400ed8e2fea48ffa6daa9da28446;p=pandora-kernel.git

ocfs2: fix a tiny race when truncate dio orohaned entry

Once dio crashed it will leave an entry in orphan dir.  And orphan scan
will take care of the clean up.  There is a tiny race case that the same
entry will be truncated twice and then trigger the BUG in
ocfs2_del_inode_from_orphan.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed