extern void init_disk_util(struct thread_data *);
extern void update_rusage_stat(struct thread_data *);
extern void update_io_ticks(void);
extern void init_disk_util(struct thread_data *);
extern void update_rusage_stat(struct thread_data *);
extern void update_io_ticks(void);
extern void finish_log(struct thread_data *, struct io_log *, const char *);
extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *);
extern void __finish_log(struct io_log *, const char *);
extern void finish_log(struct thread_data *, struct io_log *, const char *);
extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *);
extern void __finish_log(struct io_log *, const char *);