258 vfs_equalopts(const char *opt1, const char *opt2)  in vfs_equalopts()  argument
263 	if (strcmp(opt1, opt2) == 0)  in vfs_equalopts()
266 	if (strncmp(opt1, "no", 2) == 0 && strcmp(opt1 + 2, opt2) == 0)  in vfs_equalopts()
269 	if (strncmp(opt2, "no", 2) == 0 && strcmp(opt1, opt2 + 2) == 0)  in vfs_equalopts()
271 	while ((p = strchr(opt1, '.')) != NULL &&  in vfs_equalopts()
272 	    !strncmp(opt1, opt2, ++p - opt1)) {  in vfs_equalopts()
273 		opt2 += p - opt1;  in vfs_equalopts()
274 		opt1 = p;  in vfs_equalopts()
276 		if (strncmp(opt1, "no", 2) == 0 && strcmp(opt1 + 2, opt2) == 0)  in vfs_equalopts()
279 		if (strncmp(opt2, "no", 2) == 0 && strcmp(opt1, opt2 + 2) == 0)  in vfs_equalopts()
283 	if ((vfs_isopt_ro(opt1) || vfs_isopt_rw(opt1)) &&  in vfs_equalopts()