block: don't init rq fields unnecessarily

blk_get_request() always returns properly zeroed requests.  Don't set
fields to zero/NULL unnecessarily.

[ Impact: cleanup ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index bb9aa43..58cf456 100644 (file)
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -500,8 +500,6 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk,
 
        rq = blk_get_request(q, WRITE, __GFP_WAIT);
        rq->cmd_type = REQ_TYPE_BLOCK_PC;
-       rq->data_len = 0;
-       rq->extra_len = 0;
        rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
        rq->cmd[0] = cmd;
        rq->cmd[4] = data;