- struct list_head *entry;
- struct disk_util *du;
-
- list_for_each(entry, &disk_list) {
- du = list_entry(entry, struct disk_util, list);
- update_io_tick_disk(du);
- }
-}
-
-static int disk_util_exists(dev_t dev)
-{
- struct list_head *entry;
- struct disk_util *du;
-
- list_for_each(entry, &disk_list) {
- du = list_entry(entry, struct disk_util, list);
-
- if (du->dev == dev)
- return 1;
- }
-
- return 0;
-}
-
-static void disk_util_add(dev_t dev, char *path)
-{
- struct disk_util *du, *__du;
- struct list_head *entry;
-
- du = malloc(sizeof(*du));
- memset(du, 0, sizeof(*du));
- INIT_LIST_HEAD(&du->list);
- sprintf(du->path, "%s/stat", path);
- du->name = strdup(basename(path));
- du->dev = dev;
-
- list_for_each(entry, &disk_list) {
- __du = list_entry(entry, struct disk_util, list);
-
- if (!strcmp(du->name, __du->name)) {
- free(du->name);
- free(du);
- return;
- }
- }
-
- fio_gettime(&du->time, NULL);
- get_io_ticks(du, &du->last_dus);
-
- list_add_tail(&du->list, &disk_list);
-}
-
-static int check_dev_match(dev_t dev, char *path)
-{
- unsigned int major, minor;
- char line[256], *p;
- FILE *f;
-
- f = fopen(path, "r");
- if (!f) {
- perror("open path");
- return 1;
- }
-
- p = fgets(line, sizeof(line), f);
- if (!p) {
- fclose(f);
- return 1;
- }
-
- if (sscanf(p, "%u:%u", &major, &minor) != 2) {
- fclose(f);
- return 1;
- }
-
- if (((major << 8) | minor) == dev) {
- fclose(f);
- return 0;
- }
-
- fclose(f);
- return 1;
-}