int cmd_format(int argc, char *argv[]);
int cmd_show_super(int argc, char *argv[]);
+int cmd_set_option(int argc, char *argv[]);
#if 0
int cmd_assemble(int argc, char *argv[]);
int cmd_dump(int argc, char *argv[]);
int cmd_list(int argc, char *argv[]);
int cmd_list_journal(int argc, char *argv[]);
+int cmd_kill_btree_node(int argc, char *argv[]);
int cmd_migrate(int argc, char *argv[]);
int cmd_migrate_superblock(int argc, char *argv[]);