diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 8121e75..4e00b38 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -41,6 +41,7 @@
 #include <linux/dcache.h>
 #include <linux/falloc.h>
 #include <linux/pagevec.h>
+#include <linux/backing-dev.h>
 
 static const struct vm_operations_struct xfs_file_vm_ops;