int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int fstype);
int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int fstype);
int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],