Signed-off-by: NAkhil Bhansali <abhansali@stec-inc.com>
Signed-off-by: NRamprasad Chinthekindi <rchinthekindi@stec-inc.com>
Reviewed-by: NJeff Moyer <jmoyer@redhat.com>

Folded patch, contributions to clean up this driver from:

Jens Axboe
Dan Carpenter
Andrew Morton
Signed-off-by: NJens Axboe <axboe@kernel.dk>