From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Mon, 8 Apr 2013 17:02:25 +0000 (-0400)
Subject: ext4: fix incorrect lock ordering for ext4_ind_migrate
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~83^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8238f9a8339b3578c85e4192a7a23bc2bdc0333;p=pandora-kernel.git

ext4: fix incorrect lock ordering for ext4_ind_migrate

existing locking ordering: journal-> i_data_sem, but
ext4_ind_migrate() grab locks in opposite order which may result in
deadlock.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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