diff --git a/fs/xfs/xfs_ioctl.h b/fs/xfs/xfs_ioctl.h
index d56173b..1233dee 100644
--- a/fs/xfs/xfs_ioctl.h
+++ b/fs/xfs/xfs_ioctl.h
@@ -82,4 +82,10 @@
 	unsigned int		cmd,
 	unsigned long		arg);
 
+extern int
+xfs_set_dmattrs(
+	struct xfs_inode	*ip,
+	u_int			evmask,
+	u_int16_t		state);
+
 #endif