1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h
index aa82b7caa85f..3797dea4723a 100644
--- a/drivers/md/bitmap.h
+++ b/drivers/md/bitmap.h
@@ -240,6 +240,7 @@ struct bitmap {
         atomic_t pending_writes; /* pending writes to the bitmap file */
         wait_queue_head_t write_wait;
         wait_queue_head_t overflow_wait;
+        wait_queue_head_t behind_wait;
 
         struct sysfs_dirent *sysfs_can_clear;
 };