--- ./fs/compat.c.bk	2008-08-06 15:31:16.000000000 +0400
+++ ./fs/compat.c	2008-08-06 15:41:47.000000000 +0400
@@ -1565,8 +1565,10 @@ asmlinkage long sys32_quotactl(unsigned 
 		__u32 dqb_itime[2];
 		__u32 dqb_valid;
 	} dqblk32;
+#ifdef CONFIG_QUOTA_COMPAT
 	struct compat_v2_dqblk cdq;
 	struct compat_v2_dqblk_32 cdq32;
+#endif
 
 	cmds = cmd >> SUBCMDSHIFT;