diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 1b524b9..fc48135 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -61,6 +61,7 @@
 #define FLUSH_LOWPRI		8	/* low priority background flush */
 #define FLUSH_HIGHPRI		16	/* high priority memory reclaim flush */
 #define FLUSH_NOCOMMIT		32	/* Don't send the NFSv3/v4 COMMIT */
+#define FLUSH_INVALIDATE	64	/* Invalidate the page cache */
 
 #ifdef __KERNEL__
 
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 66e2ed6..8cadb0a 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -63,8 +63,8 @@
 
 extern  int nfs_scan_lock_dirty(struct nfs_inode *nfsi, struct list_head *dst,
 				unsigned long idx_start, unsigned int npages);
-extern	int nfs_scan_list(struct list_head *, struct list_head *,
-			  unsigned long, unsigned int);
+extern	int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst,
+			  unsigned long idx_start, unsigned int npages);
 extern	int nfs_coalesce_requests(struct list_head *, struct list_head *,
 				  unsigned int);
 extern  int nfs_wait_on_request(struct nfs_page *);