diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 3ec73f17ee2a4bc9517f9b8dd92e9c616d67073e..8a28a2b1be74ddefa56381b43831d14229fa1b1a 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -149,6 +149,9 @@ TRACE_DEFINE_ENUM(CP_TRIMMED);
 		{ CP_SPEC_LOG_NUM,	"log type is 2" },		\
 		{ CP_RECOVER_DIR,	"dir needs recovery" })
 
+struct f2fs_sb_info;
+struct f2fs_io_info;
+struct extent_info;
 struct victim_sel_policy;
 struct f2fs_map_blocks;