1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index da41aca74e0b..40b53ee274fb 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -11,6 +11,7 @@ struct extent_map_ops {
         int (*writepage_io_hook)(struct page *page, u64 start, u64 end);
         int (*readpage_io_hook)(struct page *page, u64 start, u64 end);
         int (*readpage_end_io_hook)(struct page *page, u64 start, u64 end);
+        void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end);
 };
 
 struct extent_map_tree {