do_option
if (do_option(opttab, &options, &nextopt, name, value, "options",
if (do_option(fsopttab, &fsoptions, &nextfsopt, name, n, "file-system",
(void)do_option(mkopttab, &mkoptions, &nextmkopt, name, value,
static int do_option(struct hashtab *, struct nvlist **,