int zbd_init(struct thread_data *td);
void zbd_file_reset(struct thread_data *td, struct fio_file *f);
bool zbd_unaligned_write(int error_code);
+void setup_zbd_zone_mode(struct thread_data *td, struct io_u *io_u);
enum io_u_action zbd_adjust_block(struct thread_data *td, struct io_u *io_u);
char *zbd_write_status(const struct thread_stat *ts);