diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index d0b5ca5..717e614 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -384,4 +384,7 @@
 
 void account_page_redirty(struct page *page);
 
+void sb_mark_inode_writeback(struct inode *inode);
+void sb_clear_inode_writeback(struct inode *inode);
+
 #endif		/* WRITEBACK_H */