struct btrfs_ioctl_fs_info_args fi_args;
struct btrfs_ioctl_dev_info_args *di_args = NULL;
- if (atoi(srcdev) == 0) {
- fprintf(stderr, "Error: Failed to parse the numerical devid value '%s'\n",
- srcdev);
- goto leave_with_error;
- }
- start_args.start.srcdevid = (__u64)atoi(srcdev);
+ start_args.start.srcdevid = arg_strtou64(srcdev);
ret = get_fs_info(path, &fi_args, &di_args);
if (ret) {