[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 @@
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 @@
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);
}
/**
