linux-kernel - [PATCH 1/5] virtio_blk: change to use __blk_end

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Message-Id: <20081001.101120.41628825.k-ueda@ct.jp.nec.com>
Date:	Wed, 01 Oct 2008 10:11:20 -0400 (EDT)
From:	Kiyoshi Ueda <k-ueda@...jp.nec.com>
To:	jens.axboe@...cle.com
Cc:	rusty@...tcorp.com.au, oakad@...oo.com, adrian@...en.demon.co.uk,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	j-nomura@...jp.nec.com, k-ueda@...jp.nec.com
Subject: [PATCH 1/5] virtio_blk: change to use __blk_end_request()

This patch converts virtio_blk to use __blk_end_request() directly
so that end_{queued|dequeued}_request() can be removed.
Related 'uptodate' argument is converted to 'error'.


Signed-off-by: Kiyoshi Ueda <k-ueda@...jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@...jp.nec.com>
Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: Jens Axboe <jens.axboe@...cle.com>
---
 drivers/block/virtio_blk.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

Index: linux-2.6-block/drivers/block/virtio_blk.c
===================================================================
--- linux-2.6-block.orig/drivers/block/virtio_blk.c
+++ linux-2.6-block/drivers/block/virtio_blk.c
@@ -47,20 +47,20 @@ static void blk_done(struct virtqueue *v
 
 	spin_lock_irqsave(&vblk->lock, flags);
 	while ((vbr = vblk->vq->vq_ops->get_buf(vblk->vq, &len)) != NULL) {
-		int uptodate;
+		int error;
 		switch (vbr->status) {
 		case VIRTIO_BLK_S_OK:
-			uptodate = 1;
+			error = 0;
 			break;
 		case VIRTIO_BLK_S_UNSUPP:
-			uptodate = -ENOTTY;
+			error = -ENOTTY;
 			break;
 		default:
-			uptodate = 0;
+			error = -EIO;
 			break;
 		}
 
-		end_dequeued_request(vbr->req, uptodate);
+		__blk_end_request(vbr->req, error, blk_rq_bytes(vbr->req));
 		list_del(&vbr->list);
 		mempool_free(vbr, vblk->pool);
 	}
--
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