[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>
This commit is contained in:
Jun'ichi Nomura 2006-03-27 01:18:00 -08:00 committed by Linus Torvalds
parent f165921df4
commit b4cf1b72ee

View file

@ -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);
}
/**