diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 2cb2f5d..30f664a 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -177,6 +177,8 @@
 				      uint32_t);
 extern uint32_t udf_get_pblock_spar15(struct super_block *, uint32_t, uint16_t,
 				      uint32_t);
+extern uint32_t udf_get_pblock_meta25(struct super_block *, uint32_t, uint16_t,
+					  uint32_t);
 extern int udf_relocate_blocks(struct super_block *, long, long *);
 
 /* unicode.c */