linux-kernel - [PATCH 02/14] block: don't init rq fields unnecessarily

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Date:	Tue, 28 Apr 2009 13:06:05 +0900
From:	Tejun Heo <tj@...nel.org>
To:	axboe@...nel.dk, linux-kernel@...r.kernel.org, donari75@...il.com,
	bzolnier@...il.com, joerg@...chain.net, geert@...ux-m68k.org,
	davem@...emloft.net, jdike@...ux.intel.com,
	benh@...nel.crashing.org, Laurent@...vier.info
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 02/14] 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@...nel.org>
---
 block/scsi_ioctl.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index bb9aa43..58cf456 100644
--- 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;
-- 
1.6.0.2

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