extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *);
extern void td_io_close_file(struct thread_data *, struct fio_file *);
+/*
+ * blktrace support
+ */
+extern int is_blktrace(const char *);
+extern int load_blktrace(struct thread_data *, const char *);
+
/*
* If logging output to a file, stderr should go to both stderr and f_err
*/