commit af18e35b upstream.

Fixes: c8585c6f ("ext4: fix races between changing inode journal ...")
Signed-off-by: NVasily Averin <vvs@virtuozzo.com>
Signed-off-by: NTheodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 4.7
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>