tree a7a57fef59cc48409f6573ac7734016646730a90
parent 512f62acbdf1ee81ce4882c85835f5420a1c304c
author Joseph Qi <joseph.qi@huawei.com> 1441406620 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1441410881 -0700

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>