- return 0;
-}
-
-static int lookup_device(struct thread_data *td, char *path, unsigned int maj,
- unsigned int min)
-{
- struct dirent *dir;
- struct stat st;
- int found = 0;
- DIR *D;
-
- D = opendir(path);
- if (!D)
- return 0;
-
- while ((dir = readdir(D)) != NULL) {
- char full_path[256];
-
- if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
- continue;
-
- sprintf(full_path, "%s%s%s", path, FIO_OS_PATH_SEPARATOR, dir->d_name);
- if (lstat(full_path, &st) == -1) {
- perror("lstat");
- break;
- }
-
- if (S_ISDIR(st.st_mode)) {
- found = lookup_device(td, full_path, maj, min);
- if (found) {
- strcpy(path, full_path);
- break;
- }
- }
-
- if (!S_ISBLK(st.st_mode))
- continue;
-
- /*
- * If replay_redirect is set then always return this device
- * upon lookup which overrides the device lookup based on
- * major minor in the actual blktrace
- */
- if (td->o.replay_redirect) {
- dprint(FD_BLKTRACE, "device lookup: %d/%d\n overridden"
- " with: %s", maj, min,
- td->o.replay_redirect);
- strcpy(path, td->o.replay_redirect);
- found = 1;
- break;
- }
-
- if (maj == major(st.st_rdev) && min == minor(st.st_rdev)) {
- dprint(FD_BLKTRACE, "device lookup: %d/%d\n", maj, min);
- strcpy(path, full_path);
- found = 1;
- break;
- }
- }
-
- closedir(D);
- return found;