diff --git a/fs/buffer.c b/fs/buffer.c
index a30827a475dff301541e42b7041abc78c1bc9b31..d8c7242426bb349782c9c7b7fd106ea4b8f12eb5 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -49,6 +49,8 @@
 #include <trace/events/block.h>
 #include <linux/fscrypt.h>
 
+#include "internal.h"
+
 static int fsync_buffers_list(spinlock_t *lock, struct list_head *list);
 static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
 			 enum rw_hint hint, struct writeback_control *wbc);