1 files changed, 1 insertions, 1 deletions

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 5b0c083d7c0e..bb2534bc0b03 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -198,7 +198,7 @@ prototypes:
                                 unsigned long *);
         int (*migratepage)(struct address_space *, struct page *, struct page *);
         int (*launder_page)(struct page *);
-        int (*is_partially_uptodate)(struct page *, read_descriptor_t *, unsigned long);
+        int (*is_partially_uptodate)(struct page *, unsigned long, unsigned long);
         int (*error_remove_page)(struct address_space *, struct page *);
         int (*swap_activate)(struct file *);
         int (*swap_deactivate)(struct file *);