1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 0c78f7f4a976..daa6c125f66e 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -59,6 +59,8 @@ struct writeback_control {
         unsigned for_reclaim:1;         /* Invoked from the page allocator */
         unsigned for_writepages:1;      /* This is a writepages() call */
         unsigned range_cyclic:1;        /* range_start is cyclic */
+
+        void *fs_private;               /* For use by ->writepages() */
 };
 
 /*