diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 47bb3f5..269ad3f 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -159,6 +159,10 @@
 extern long udf_block_map(struct inode *, sector_t);
 extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *,
 			 struct kernel_lb_addr *, uint32_t *, sector_t *);
+extern int udf_setup_indirect_aext(struct inode *inode, int block,
+				   struct extent_position *epos);
+extern int __udf_add_aext(struct inode *inode, struct extent_position *epos,
+			  struct kernel_lb_addr *eloc, uint32_t elen, int inc);
 extern int udf_add_aext(struct inode *, struct extent_position *,
 			struct kernel_lb_addr *, uint32_t, int);
 extern void udf_write_aext(struct inode *, struct extent_position *,