+int config_parse_io_class(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ static const char * const table[] = {
+ [IOPRIO_CLASS_NONE] = NULL,
+ [IOPRIO_CLASS_RT] = "realtime",
+ [IOPRIO_CLASS_BE] = "best-effort",
+ [IOPRIO_CLASS_IDLE] = "idle",
+ };
+
+ ExecContext *c = data;
+ int i;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ for (i = 0; i < (int) ELEMENTSOF(table); i++) {
+ if (!table[i])
+ continue;
+
+ if (streq(rvalue, table[i])) {
+ c->ioprio = IOPRIO_PRIO_VALUE(i, IOPRIO_PRIO_DATA(c->ioprio));
+ break;
+ }
+ }
+
+ if (i >= (int) ELEMENTSOF(table)) {
+
+ /* Second try, let's see if this is a number. */
+ if (safe_atoi(rvalue, &i) >= 0 &&
+ i >= 0 &&
+ i < (int) ELEMENTSOF(table) &&
+ table[i])
+ c->ioprio = IOPRIO_PRIO_VALUE(i, IOPRIO_PRIO_DATA(c->ioprio));
+ else {
+ log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
+ return -EBADMSG;
+ }
+ }
+
+ c->ioprio_set = true;
+
+ return 0;
+}
+
+int config_parse_io_priority(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ ExecContext *c = data;
+ int i;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ if (safe_atoi(rvalue, &i) >= 0 &&
+ i >= 0 &&
+ i < IOPRIO_BE_NR)
+ c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i);
+ else {
+ log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue);
+ return -EBADMSG;
+ }
+
+ c->ioprio_set = true;
+
+ return 0;
+}
+