void *iolog_buf;
FILE *iolog_f;
+ char *sysfs_root;
+
+ char *ioscheduler;
+
struct drand48_data bsrange_state;
struct drand48_data verify_state;
struct timeval rwmix_switch;
int rwmix_ddir;
+ /*
+ * Pre-run and post-run shell
+ */
+ char *exec_prerun;
+ char *exec_postrun;
+
struct list_head io_hist_list;
struct list_head io_log_list;
};