From: Prarit Bhargava <prarit@sgi.com>

Please see discussion related to this patch here,

http://marc.theaimsgroup.com/?l=linux-ide&m=110485007824374&w=2Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>