From: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Date: Mon, 27 Mar 2006 09:18:00 +0000 (-0800)
Subject: [PATCH] dm/md dependency tree in sysfs: convert bd_sem to bd_mutex
X-Git-Tag: v2.6.17-rc1~299
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b4cf1b72eec0e197257a5b07dc9ec53552cdd123;p=platform%2Fkernel%2Flinux-3.10.git

[PATCH] dm/md dependency tree in sysfs: convert bd_sem to bd_mutex

Convert bd_sem to bd_mutex

Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 3f36df7..17c7618 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -723,11 +723,11 @@ static int bd_claim_by_kobject(struct block_device *bdev, void *holder,
 	if (!bo)
 		return -ENOMEM;
 
-	down(&bdev->bd_sem);
+	mutex_lock(&bdev->bd_mutex);
 	res = bd_claim(bdev, holder);
 	if (res || !add_bd_holder(bdev, bo))
 		free_bd_holder(bo);
-	up(&bdev->bd_sem);
+	mutex_unlock(&bdev->bd_mutex);
 
 	return res;
 }
@@ -748,11 +748,11 @@ static void bd_release_from_kobject(struct block_device *bdev,
 	if (!kobj)
 		return;
 
-	down(&bdev->bd_sem);
+	mutex_lock(&bdev->bd_mutex);
 	bd_release(bdev);
 	if ((bo = del_bd_holder(bdev, kobj)))
 		free_bd_holder(bo);
-	up(&bdev->bd_sem);
+	mutex_unlock(&bdev->bd_mutex);
 }
 
 /**