1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index bfae09d2a1eb..4d9222c2f222 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -28,6 +28,7 @@ typedef int (congested_fn)(void *, int);
 
 enum bdi_stat_item {
         BDI_RECLAIMABLE,
+        BDI_WRITEBACK,
         NR_BDI_STAT_ITEMS
 };