Index: linux-2.6.14-rc5-mm1/mm/vmscan.c
===================================================================
--- linux-2.6.14-rc5-mm1.orig/mm/vmscan.c	2005-10-26 13:52:25.000000000 -0700
+++ linux-2.6.14-rc5-mm1/mm/vmscan.c	2005-10-26 15:03:55.000000000 -0700
@@ -782,6 +782,22 @@ static int migrate_page(struct page *pag
 	return 0;
 }
 
+int fs_migrate_page(struct page *page, struct page *newpage)
+{
+	if (PageWriteback(page))
+		return 1;
+
+	if (PageDirty(page)) {
+		/* initiate write */
+		return 1;
+	}
+
+	rc = migrate_page(page, newpage);
+	if (rc == 0)
+		move_buffer(page, newpage);
+}
+
+
 /*
  * migrate_pages
  *
@@ -817,6 +833,8 @@ redo:
 	failed = 0;
 
 	list_for_each_entry_safe(page, page2, l, lru) {
+		struct address_space *mapping = page_mapping(page);
+
 		cond_resched();
 
 		/*
@@ -853,6 +871,25 @@ failed:
 		}
 #endif /* CONFIG_SWAP */
 
+		if (t && PageDirty(page) && PagePrivate(page && !PageSwapCache(page) &&
+		    mapping->a_ops->migrate_page)) {
+			struct *newpage;
+
+			if (list_empty(t))
+				goto failed;
+			newpage = lru_to_page(t);
+
+			switch (mapping->a_ops->migrate(page, newpage)) {
+			case 1:
+				goto retry_later;
+			case -1:
+				goto failed;
+			default:
+				break;
+			}
+			continue;
+		}
+
 		/*
 		 * Page is properly locked and writeback is complete.
 		 * Try to migrate the page.
@@ -871,8 +908,6 @@ failed:
 				goto retry_later;
 
 		} else {
-			struct address_space *mapping = page_mapping(page);
-
 			if (PageDirty(page) &&
 			    PagePrivate(page) &&
 			    !PageWriteback(page) &&
Index: linux-2.6.14-rc5-mm1/include/linux/fs.h
===================================================================
--- linux-2.6.14-rc5-mm1.orig/include/linux/fs.h	2005-10-24 10:27:34.000000000 -0700
+++ linux-2.6.14-rc5-mm1/include/linux/fs.h	2005-10-26 14:37:31.000000000 -0700
@@ -327,6 +327,7 @@ struct address_space_operations {
 			loff_t offset, unsigned long nr_segs);
 	struct page* (*get_xip_page)(struct address_space *, sector_t,
 			int);
+	int (*migrate_page) (struct page *, struct page *);
 };
 
 struct backing_dev_info;