From 8ac33dc86d37ca76d282aa112d4f2794a731064e Mon Sep 17 00:00:00 2001
From: Tao Ma <boyu.mt@taobao.com>
Date: Wed, 15 Dec 2010 16:30:00 +0800
Subject: [PATCH] ocfs2: Hold ip_lock when set/clear flags for indexed dir.

When we set/clear the dyn_features for an inode we hold the ip_lock.
So do it when we set/clear OCFS2_INDEXED_DIR_FL also.

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
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