From: Jan Kara <jack@suse.cz>
Date: Fri, 11 Jul 2008 23:27:31 +0000 (-0400)
Subject: ext4: Fix lock inversion in ext4_ext_truncate()
X-Git-Tag: v2.6.27-rc1~1087^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ddfc3dc75b5cc55ff3cfa586e962d252f1db9d3;p=pandora-kernel.git

ext4: Fix lock inversion in ext4_ext_truncate()

We cannot call ext4_orphan_add() from under i_data_sem because that
causes a lock ordering violation between i_data_sem and and the
superblock lock.

Updated with Aneesh's locking order fix

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

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