1 files changed, 3 insertions, 0 deletions

diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 3d31c8827b01..993a7ea45c70 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -85,6 +85,9 @@ struct btrfs_ordered_extent {
         /* extent length on disk */
         u64 disk_len;
 
+        /* number of bytes that still need writing */
+        u64 bytes_left;
+
         /* flags (described above) */
         unsigned long flags;