Commit b4cf1b72 authored by Jun'ichi Nomura's avatar Jun'ichi Nomura Committed by Linus Torvalds

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

Convert bd_sem to bd_mutex
Signed-off-by: default avatarJun'ichi Nomura <j-nomura@ce.jp.nec.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f165921d
......@@ -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);
}
/**
......
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