extern uint64_t get_start_offset(struct thread_data *, struct fio_file *);
extern int __must_check setup_files(struct thread_data *);
extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *);
+#ifdef __cplusplus
+extern "C" {
+#endif
extern int __must_check generic_open_file(struct thread_data *, struct fio_file *);
extern int __must_check generic_close_file(struct thread_data *, struct fio_file *);
extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *);
+#ifdef __cplusplus
+}
+#endif
extern int __must_check file_lookup_open(struct fio_file *f, int flags);
-extern int __must_check pre_read_files(struct thread_data *);
+extern bool __must_check pre_read_files(struct thread_data *);
extern unsigned long long get_rand_file_size(struct thread_data *td);
extern int add_file(struct thread_data *, const char *, int, int);
extern int add_file_exclusive(struct thread_data *, const char *);
extern void unlock_file(struct thread_data *, struct fio_file *);
extern void unlock_file_all(struct thread_data *, struct fio_file *);
extern int add_dir_files(struct thread_data *, const char *);
-extern int init_random_map(struct thread_data *);
+extern bool init_random_map(struct thread_data *);
extern void dup_files(struct thread_data *, struct thread_data *);
extern int get_fileno(struct thread_data *, const char *);
extern void free_release_files(struct thread_data *);
extern void fio_file_reset(struct thread_data *, struct fio_file *);
extern bool fio_files_done(struct thread_data *);
extern bool exists_and_not_regfile(const char *);
+extern int fio_set_directio(struct thread_data *, struct fio_file *);
#endif