diff --git a/include/linux/dqblk_v2.h b/include/linux/dqblk_v2.h
index 4a6c5f6..4f85332 100644
--- a/include/linux/dqblk_v2.h
+++ b/include/linux/dqblk_v2.h
@@ -10,6 +10,12 @@
 /* id numbers of quota format */
 #define QFMT_VFS_V0 2
 
+/* Numbers of blocks needed for updates */
+#define V2_INIT_ALLOC 4
+#define V2_INIT_REWRITE 2
+#define V2_DEL_ALLOC 0
+#define V2_DEL_REWRITE 6
+
 /* Inmemory copy of version specific information */
 struct v2_mem_dqinfo {
 	unsigned int dqi_blocks;