[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>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 3f36df7e037c..17c76182f389 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);
 }
 
 /**