static char *parse_field(char *act, struct per_cpu_info *pci,
struct blk_io_trace *t, unsigned long long elapsed,
int pdu_len, unsigned char *pdu_buf,
- char *master_format)
+ char *primary_format)
{
int minus = 0;
int has_w = 0;
int width = 0;
- char *p = master_format;
+ char *p = primary_format;
if (*p == '-') {
minus = 1;