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-rw-r--r--fs/block_dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 1715d6b5f41..8b18e43b82f 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -411,7 +411,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag
{
memset(bdev, 0, sizeof(*bdev));
mutex_init(&bdev->bd_mutex);
- mutex_init(&bdev->bd_mount_mutex);
+ sema_init(&bdev->bd_mount_sem, 1);
INIT_LIST_HEAD(&bdev->bd_inodes);
INIT_LIST_HEAD(&bdev->bd_list);
#ifdef CONFIG_SYSFS