1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 186da813541e..1410e5330c8d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -426,6 +426,7 @@ struct address_space_operations {
         /* migrate the contents of a page to the specified target */
         int (*migratepage) (struct address_space *,
                         struct page *, struct page *);
+        int (*launder_page) (struct page *);
 };
 
 struct backing_dev_info;
@@ -458,7 +459,7 @@ struct block_device {
         struct inode *          bd_inode;       /* will die */
         int                     bd_openers;
         struct mutex            bd_mutex;       /* open/close mutex */
-        struct mutex            bd_mount_mutex; /* mount mutex */
+        struct semaphore        bd_mount_sem;
         struct list_head        bd_inodes;
         void *                  bd_holder;
         int                     bd_holders;