linux-kernel - [PATCH 08/30] blk_end_request: changing nbd (take 4)

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Message-Id: <20071211.174406.35360021.k-ueda@ct.jp.nec.com>
Date:	Tue, 11 Dec 2007 17:44:06 -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,
	Paul.Clements@...eleye.com
Subject: [PATCH 08/30] blk_end_request: changing nbd (take 4)

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

Cc: Paul Clements <Paul.Clements@...eleye.com>
Signed-off-by: Kiyoshi Ueda <k-ueda@...jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@...jp.nec.com>
---
 drivers/block/nbd.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

Index: 2.6.24-rc4/drivers/block/nbd.c
===================================================================
--- 2.6.24-rc4.orig/drivers/block/nbd.c
+++ 2.6.24-rc4/drivers/block/nbd.c
@@ -100,17 +100,15 @@ static const char *nbdcmd_to_ascii(int c
 
 static void nbd_end_request(struct request *req)
 {
-	int uptodate = (req->errors == 0) ? 1 : 0;
+	int error = req->errors ? -EIO : 0;
 	struct request_queue *q = req->q;
 	unsigned long flags;
 
 	dprintk(DBG_BLKDEV, "%s: request %p: %s\n", req->rq_disk->disk_name,
-			req, uptodate? "done": "failed");
+			req, error ? "failed" : "done");
 
 	spin_lock_irqsave(q->queue_lock, flags);
-	if (!end_that_request_first(req, uptodate, req->nr_sectors)) {
-		end_that_request_last(req, uptodate);
-	}
+	__blk_end_request(req, error, req->nr_sectors << 9);
 	spin_unlock_irqrestore(q->queue_lock, flags);
 }
 
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