diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4edba06..0180102 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1341,7 +1341,7 @@
 
 extern int check_disk_change(struct block_device *);
 extern int invalidate_inodes(struct super_block *);
-extern int __invalidate_device(struct block_device *, int);
+extern int __invalidate_device(struct block_device *);
 extern int invalidate_partition(struct gendisk *, int);
 unsigned long invalidate_mapping_pages(struct address_space *mapping,
 					pgoff_t start, pgoff_t end);