linux-kernel - [PATCH 10/30] blk_end_request: changing sunvdc (take 4)

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Message-Id: <20071211.174504.82055916.k-ueda@ct.jp.nec.com>
Date:	Tue, 11 Dec 2007 17:45:04 -0500 (EST)
From:	Kiyoshi Ueda <k-ueda@...jp.nec.com>
To:	jens.axboe@...cle.com
Cc:	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-ide@...r.kernel.org, dm-devel@...hat.com,
	j-nomura@...jp.nec.com, k-ueda@...jp.nec.com, davem@...emloft.net
Subject: [PATCH 10/30] blk_end_request: changing sunvdc (take 4)

This patch converts sunvdc to use blk_end_request interfaces.
Related 'uptodate' arguments are converted to 'error'.

As a result, the interface of internal function, vdc_end_request(),
is changed.

Cc: David S. Miller <davem@...emloft.net>
Signed-off-by: Kiyoshi Ueda <k-ueda@...jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@...jp.nec.com>
---
 drivers/block/sunvdc.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)

Index: 2.6.24-rc4/drivers/block/sunvdc.c
===================================================================
--- 2.6.24-rc4.orig/drivers/block/sunvdc.c
+++ 2.6.24-rc4/drivers/block/sunvdc.c
@@ -212,12 +212,9 @@ static void vdc_end_special(struct vdc_p
 	vdc_finish(&port->vio, -err, WAITING_FOR_GEN_CMD);
 }
 
-static void vdc_end_request(struct request *req, int uptodate, int num_sectors)
+static void vdc_end_request(struct request *req, int error, int num_sectors)
 {
-	if (end_that_request_first(req, uptodate, num_sectors))
-		return;
-	add_disk_randomness(req->rq_disk);
-	end_that_request_last(req, uptodate);
+	__blk_end_request(req, error, num_sectors << 9);
 }
 
 static void vdc_end_one(struct vdc_port *port, struct vio_dring_state *dr,
@@ -242,7 +239,7 @@ static void vdc_end_one(struct vdc_port 
 
 	rqe->req = NULL;
 
-	vdc_end_request(req, !desc->status, desc->size >> 9);
+	vdc_end_request(req, (desc->status ? -EIO : 0), desc->size >> 9);
 
 	if (blk_queue_stopped(port->disk->queue))
 		blk_start_queue(port->disk->queue);
@@ -456,7 +453,7 @@ static void do_vdc_request(struct reques
 
 		blkdev_dequeue_request(req);
 		if (__send_request(req) < 0)
-			vdc_end_request(req, 0, req->hard_nr_sectors);
+			vdc_end_request(req, -EIO, req->hard_nr_sectors);
 	}
 }
 
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