diff --git a/[refs] b/[refs]
index 3ef83177b246..840eecda33fe 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1efef832020ef392deb2cd3d74e0c316711245be
+refs/heads/master: 690e4a3ead5f88fc95f7650816d1376aa2e79db5
diff --git a/trunk/fs/f2fs/data.c b/trunk/fs/f2fs/data.c
index 655aeabc1dd4..3aa5ce7cab83 100644
--- a/trunk/fs/f2fs/data.c
+++ b/trunk/fs/f2fs/data.c
@@ -16,6 +16,7 @@
 #include <linux/backing-dev.h>
 #include <linux/blkdev.h>
 #include <linux/bio.h>
+#include <linux/prefetch.h>
 
 #include "f2fs.h"
 #include "node.h"
diff --git a/trunk/fs/f2fs/segment.c b/trunk/fs/f2fs/segment.c
index 8bc1b6fdcf71..ca7b5ffb09d5 100644
--- a/trunk/fs/f2fs/segment.c
+++ b/trunk/fs/f2fs/segment.c
@@ -12,6 +12,7 @@
 #include <linux/f2fs_fs.h>
 #include <linux/bio.h>
 #include <linux/blkdev.h>
+#include <linux/prefetch.h>
 #include <linux/vmalloc.h>
 
 #include "f2fs.h"