diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 76e8903..36520de 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -34,6 +34,9 @@
 	enum writeback_sync_modes sync_mode;
 	unsigned long *older_than_this;	/* If !NULL, only write back inodes
 					   older than this */
+	unsigned long wb_start;         /* Time writeback_inodes_wb was
+					   called. This is needed to avoid
+					   extra jobs and livelock */
 	long nr_to_write;		/* Write this many pages, and decrement
 					   this for each page written */
 	long pages_skipped;		/* Pages which were not written */