*/
enum fio_filetype {
FIO_TYPE_FILE = 1, /* plain file */
- FIO_TYPE_BD, /* block device */
+ FIO_TYPE_BLOCK, /* block device */
FIO_TYPE_CHAR, /* character device */
FIO_TYPE_PIPE, /* pipe */
};
};
/*
- * roundrobin available files, or choose one at random, or do each one
- * serially.
+ * How fio chooses what file to service next. Choice of uniformly random, or
+ * some skewed random variants, or just sequentially go through them or
+ * roundrobing.
*/
enum {
- FIO_FSERVICE_RANDOM = 1,
- FIO_FSERVICE_RR = 2,
- FIO_FSERVICE_SEQ = 3,
+ FIO_FSERVICE_RANDOM = 1,
+ FIO_FSERVICE_RR = 2,
+ FIO_FSERVICE_SEQ = 3,
+ __FIO_FSERVICE_NONUNIFORM = 0x100,
+ FIO_FSERVICE_ZIPF = __FIO_FSERVICE_NONUNIFORM | 4,
+ FIO_FSERVICE_PARETO = __FIO_FSERVICE_NONUNIFORM | 5,
+ FIO_FSERVICE_GAUSS = __FIO_FSERVICE_NONUNIFORM | 6,
+
+ FIO_FSERVICE_SHIFT = 10,
};
/*
/*
* size of the file, offset into file, and io size from that offset
+ * (be aware io_size is different from thread_options::io_size)
*/
uint64_t real_file_size;
uint64_t file_offset;
unsigned int last_write_idx;
/*
- * For use by the io engine
+ * For use by the io engine for offset or private data storage
*/
- uint64_t engine_data;
+ union {
+ uint64_t engine_pos;
+ void *engine_data;
+ };
/*
* if io is protected by a semaphore, this is set
struct disk_util *du;
};
-#define FILE_ENG_DATA(f) ((void *) (uintptr_t) (f)->engine_data)
-#define FILE_SET_ENG_DATA(f, data) \
- ((f)->engine_data = (uintptr_t) (data))
-
-struct file_name {
- struct flist_head list;
- char *filename;
-};
+#define FILE_ENG_DATA(f) ((f)->engine_data)
+#define FILE_SET_ENG_DATA(f, data) ((f)->engine_data = (data))
#define FILE_FLAG_FNS(name) \
static inline void fio_file_set_##name(struct fio_file *f) \
extern int get_fileno(struct thread_data *, const char *);
extern void free_release_files(struct thread_data *);
extern void filesetup_mem_free(void);
-void fio_file_reset(struct thread_data *, struct fio_file *);
-int fio_files_done(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 *);
#endif