struct thread_data {
char file_name[256];
struct thread_data {
char file_name[256];
char verror[80];
pthread_t thread;
int thread_number;
char verror[80];
pthread_t thread;
int thread_number;
unsigned int rwmixread;
unsigned int nice;
unsigned int rwmixread;
unsigned int nice;
void *iolog_buf;
FILE *iolog_f;
void *iolog_buf;
FILE *iolog_f;