From: Joseph Qi <joseph.qi@huawei.com>
Date: Fri, 4 Sep 2015 22:43:40 +0000 (-0700)
Subject: ocfs2: fix several issues of append dio
X-Git-Tag: omap-for-v4.3/fixes-rc1~87^2~95
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=faaebf18f831c1546bdc65ff8f49d2a73e675ded;p=pandora-kernel.git

ocfs2: fix several issues of append dio

1) Take rw EX lock in case of append dio.
2) Explicitly treat the error code -EIOCBQUEUED as normal.
3) Set di_bh to NULL after brelse if it may be used again later.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Yiwen Jiang <jiangyiwen@huawei.com>
Cc: Weiwei Wang <wangww631@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>
---

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