diff --git a/fs/btrfs/struct-funcs.c b/fs/btrfs/struct-funcs.c
index 12455b2..6ba16c0 100644
--- a/fs/btrfs/struct-funcs.c
+++ b/fs/btrfs/struct-funcs.c
@@ -5,6 +5,7 @@
 
 #include <asm/unaligned.h>
 
+#include "messages.h"
 #include "ctree.h"
 
 static bool check_setget_bounds(const struct extent_buffer *eb,