diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 70c03f5..9064107 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1718,6 +1718,7 @@
 	struct mutex log_mutex;
 	wait_queue_head_t log_writer_wait;
 	wait_queue_head_t log_commit_wait[2];
+	struct list_head log_ctxs[2];
 	atomic_t log_writers;
 	atomic_t log_commit[2];
 	atomic_t log_batch;