+/* externs BlockGuard */
+extern char *_dump_buf_data;
+extern unsigned long _dump_buf_data_order;
+extern char *_dump_buf_dif;
+extern unsigned long _dump_buf_dif_order;
+extern spinlock_t _dump_buf_lock;
+extern int _dump_buf_done;
+extern spinlock_t pgcnt_lock;
+extern unsigned int pgcnt;
+extern unsigned int lpfc_prot_mask;
+extern unsigned char lpfc_prot_guard;
+