From: Dmitry Monakhov <dmonakhov@openvz.org>
Date: Mon, 28 Jul 2014 02:28:15 +0000 (-0400)
Subject: ext4: add i_data_sem sanity check
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~162^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b1f1660710c2ddcefc08c289e66a32b6bc2a2e3;p=pandora-kernel.git

ext4: add i_data_sem sanity check

Each caller of ext4_ext_dirty must hold i_data_sem,
The only exception is migration code, let's make it convenient.

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
---

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