diff --git a/include/linux/fs.h b/include/linux/fs.h
index 128d008..009ac96 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -397,8 +397,8 @@
 	dev_t			bd_dev;  /* not a kdev_t - it's a search key */
 	struct inode *		bd_inode;	/* will die */
 	int			bd_openers;
-	struct semaphore	bd_sem;	/* open/close mutex */
-	struct semaphore	bd_mount_sem;	/* mount mutex */
+	struct mutex		bd_mutex;	/* open/close mutex */
+	struct mutex		bd_mount_mutex;	/* mount mutex */
 	struct list_head	bd_inodes;
 	void *			bd_holder;
 	int			bd_holders;