diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h
index 3d967b6..c4abe03 100644
--- a/include/linux/mtd/ubi.h
+++ b/include/linux/mtd/ubi.h
@@ -167,6 +167,7 @@
 		   int len, int dtype);
 int ubi_leb_erase(struct ubi_volume_desc *desc, int lnum);
 int ubi_leb_unmap(struct ubi_volume_desc *desc, int lnum);
+int ubi_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype);
 int ubi_is_mapped(struct ubi_volume_desc *desc, int lnum);
 
 /*