--- zzzz-none-000/linux-3.10.107/include/linux/mtd/mtd.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/linux/mtd/mtd.h	2021-11-10 11:53:56.000000000 +0000
@@ -58,6 +58,12 @@
 	u_long priv;
 	u_char state;
 	struct erase_info *next;
+
+#ifdef CONFIG_AVM_ENHANCED
+	u8 *erase_buf;
+	u32 erase_buf_ofs;
+	bool partial_start;
+#endif
 };
 
 struct mtd_erase_region_info {
@@ -250,6 +256,11 @@
 	struct module *owner;
 	struct device dev;
 	int usecount;
+
+#ifdef CONFIG_AVM_ENHANCED
+	int (*refresh_device)(struct mtd_info *mtd);
+	struct mtd_info *split;
+#endif
 };
 
 int mtd_erase(struct mtd_info *mtd, struct erase_info *instr);