linux-kernel - [PATCH] hd: stop defining MAJOR

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Date:	Tue, 16 Jun 2009 21:17:50 +0200
From:	Christoph Hellwig <hch@....de>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] hd: stop defining MAJOR_NR

Just use HD_MAJOR directly.


Signed-off-by: Christoph Hellwig <hch@....de>

Index: linux-2.6/drivers/block/hd.c
===================================================================
--- linux-2.6.orig/drivers/block/hd.c	2009-06-11 20:54:27.184814475 +0200
+++ linux-2.6/drivers/block/hd.c	2009-06-16 21:16:19.716938868 +0200
@@ -100,8 +100,6 @@ static DEFINE_SPINLOCK(hd_lock);
 static struct request_queue *hd_queue;
 static struct request *hd_req;
 
-#define MAJOR_NR HD_MAJOR
-
 #define TIMEOUT_VALUE	(6*HZ)
 #define	HD_DELAY	0
 
@@ -712,12 +710,12 @@ static int __init hd_init(void)
 {
 	int drive;
 
-	if (register_blkdev(MAJOR_NR, "hd"))
+	if (register_blkdev(HD_MAJOR, "hd"))
 		return -1;
 
 	hd_queue = blk_init_queue(do_hd_request, &hd_lock);
 	if (!hd_queue) {
-		unregister_blkdev(MAJOR_NR, "hd");
+		unregister_blkdev(HD_MAJOR, "hd");
 		return -ENOMEM;
 	}
 
@@ -751,7 +749,7 @@ static int __init hd_init(void)
 		struct hd_i_struct *p = &hd_info[drive];
 		if (!disk)
 			goto Enomem;
-		disk->major = MAJOR_NR;
+		disk->major = HD_MAJOR;
 		disk->first_minor = drive << 6;
 		disk->fops = &hd_fops;
 		sprintf(disk->disk_name, "hd%c", 'a'+drive);
@@ -795,7 +793,7 @@ out1:
 	NR_HD = 0;
 out:
 	del_timer(&device_timer);
-	unregister_blkdev(MAJOR_NR, "hd");
+	unregister_blkdev(HD_MAJOR, "hd");
 	blk_cleanup_queue(hd_queue);
 	return -1;
 Enomem:
--
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