57 	struct fs_parameter *param, bool *negated)  in fs_lookup_key()  argument
60 	const char *name = param->key;  in fs_lookup_key()
61 	bool want_flag = param->type == fs_value_is_flag;  in fs_lookup_key()
90  * @param: The parameter.
106 	     struct fs_parameter *param,  in __fs_parse()  argument
113 	p = fs_lookup_key(desc, param, &result->negated);  in __fs_parse()
118 		warn_plog(log, "Deprecated parameter '%s'", param->key);  in __fs_parse()
124 		if (param->type != fs_value_is_flag)  in __fs_parse()
126 				      param->key);  in __fs_parse()
129 		int ret = p->type(log, p, param, result);  in __fs_parse()
140  * @param: The parameter.
146 		    struct fs_parameter *param,  in fs_lookup_param()  argument
155 	switch (param->type) {  in fs_lookup_param()
157 		f = getname_kernel(param->string);  in fs_lookup_param()
160 		param->dirfd = AT_FDCWD;  in fs_lookup_param()
164 		f = param->name;  in fs_lookup_param()
168 		return invalf(fc, "%s: not usable as path", param->key);  in fs_lookup_param()
171 	ret = filename_lookup(param->dirfd, f, flags, _path, NULL);  in fs_lookup_param()
173 		errorf(fc, "%s: Lookup failure for '%s'", param->key, f->name);  in fs_lookup_param()
183 		       param->key, f->name);  in fs_lookup_param()
194 static int fs_param_bad_value(struct p_log *log, struct fs_parameter *param)  in fs_param_bad_value()  argument
196 	return inval_plog(log, "Bad value for '%s'", param->key);  in fs_param_bad_value()
200 		     struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_bool()  argument
203 	if (param->type != fs_value_is_string)  in fs_param_is_bool()
204 		return fs_param_bad_value(log, param);  in fs_param_is_bool()
205 	if (!*param->string && (p->flags & fs_param_can_be_empty))  in fs_param_is_bool()
207 	b = lookup_constant(bool_names, param->string, -1);  in fs_param_is_bool()
209 		return fs_param_bad_value(log, param);  in fs_param_is_bool()
216 		    struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_u32()  argument
219 	if (param->type != fs_value_is_string)  in fs_param_is_u32()
220 		return fs_param_bad_value(log, param);  in fs_param_is_u32()
221 	if (!*param->string && (p->flags & fs_param_can_be_empty))  in fs_param_is_u32()
223 	if (kstrtouint(param->string, base, &result->uint_32) < 0)  in fs_param_is_u32()
224 		return fs_param_bad_value(log, param);  in fs_param_is_u32()
230 		    struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_s32()  argument
232 	if (param->type != fs_value_is_string)  in fs_param_is_s32()
233 		return fs_param_bad_value(log, param);  in fs_param_is_s32()
234 	if (!*param->string && (p->flags & fs_param_can_be_empty))  in fs_param_is_s32()
236 	if (kstrtoint(param->string, 0, &result->int_32) < 0)  in fs_param_is_s32()
237 		return fs_param_bad_value(log, param);  in fs_param_is_s32()
243 		    struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_u64()  argument
245 	if (param->type != fs_value_is_string)  in fs_param_is_u64()
246 		return fs_param_bad_value(log, param);  in fs_param_is_u64()
247 	if (!*param->string && (p->flags & fs_param_can_be_empty))  in fs_param_is_u64()
249 	if (kstrtoull(param->string, 0, &result->uint_64) < 0)  in fs_param_is_u64()
250 		return fs_param_bad_value(log, param);  in fs_param_is_u64()
256 		     struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_enum()  argument
259 	if (param->type != fs_value_is_string)  in fs_param_is_enum()
260 		return fs_param_bad_value(log, param);  in fs_param_is_enum()
261 	if (!*param->string && (p->flags & fs_param_can_be_empty))  in fs_param_is_enum()
263 	c = __lookup_constant(p->data, param->string);  in fs_param_is_enum()
265 		return fs_param_bad_value(log, param);  in fs_param_is_enum()
272 		       struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_string()  argument
274 	if (param->type != fs_value_is_string ||  in fs_param_is_string()
275 	    (!*param->string && !(p->flags & fs_param_can_be_empty)))  in fs_param_is_string()
276 		return fs_param_bad_value(log, param);  in fs_param_is_string()
282 		     struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_blob()  argument
284 	if (param->type != fs_value_is_blob)  in fs_param_is_blob()
285 		return fs_param_bad_value(log, param);  in fs_param_is_blob()
291 		  struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_fd()  argument
293 	switch (param->type) {  in fs_param_is_fd()
295 		if ((!*param->string && !(p->flags & fs_param_can_be_empty)) ||  in fs_param_is_fd()
296 		    kstrtouint(param->string, 0, &result->uint_32) < 0)  in fs_param_is_fd()
302 		result->uint_32 = param->dirfd;  in fs_param_is_fd()
309 	return fs_param_bad_value(log, param);  in fs_param_is_fd()
315 			       struct fs_parameter *param,  in fs_param_is_file_or_string()  argument
318 	switch (param->type) {  in fs_param_is_file_or_string()
320 		return fs_param_is_string(log, p, param, result);  in fs_param_is_file_or_string()
322 		result->uint_32 = param->dirfd;  in fs_param_is_file_or_string()
329 	return fs_param_bad_value(log, param);  in fs_param_is_file_or_string()
334 		    struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_uid()  argument
338 	if (fs_param_is_u32(log, p, param, result) != 0)  in fs_param_is_uid()
339 		return fs_param_bad_value(log, param);  in fs_param_is_uid()
343 		return inval_plog(log, "Invalid uid '%s'", param->string);  in fs_param_is_uid()
351 		    struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_gid()  argument
355 	if (fs_param_is_u32(log, p, param, result) != 0)  in fs_param_is_gid()
356 		return fs_param_bad_value(log, param);  in fs_param_is_gid()
360 		return inval_plog(log, "Invalid gid '%s'", param->string);  in fs_param_is_gid()
368 		  struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_blockdev()  argument
375 		     struct fs_parameter *param, struct fs_parse_result *result)  in fs_param_is_path()  argument
439 	const struct fs_parameter_spec *param, *p2;  in fs_validate_description()  local
442 	for (param = desc; param->name; param++) {  in fs_validate_description()
444 		for (p2 = desc; p2 < param; p2++) {  in fs_validate_description()
445 			if (strcmp(param->name, p2->name) == 0) {  in fs_validate_description()
446 				if (is_flag(param) != is_flag(p2))  in fs_validate_description()
448 				pr_err("VALIDATE %s: PARAM[%s]: Duplicate\n",  in fs_validate_description()
449 				       name, param->name);  in fs_validate_description()