tree 915f9288771445a975f5253c6f95fa60d5f11b72
parent b27b1535acc0e97b7435bccf205b3fe9c782afac
author Dmitry Monakhov <dmonakhov@openvz.org> 1406514495 -0400
committer Theodore Ts'o <tytso@mit.edu> 1406514495 -0400

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>