#ifndef FIO_IOENGINE_H
#define FIO_IOENGINE_H
+#include <stddef.h>
+
#include "compiler/compiler.h"
-#include "os/os.h"
-#include "file.h"
+#include "flist.h"
#include "io_u.h"
-#define FIO_IOOPS_VERSION 23
+#define FIO_IOOPS_VERSION 25
/*
* io_ops->queue() return values
*/
-enum {
+enum fio_q_status {
FIO_Q_COMPLETED = 0, /* completed sync */
FIO_Q_QUEUED = 1, /* queued, will complete async */
FIO_Q_BUSY = 2, /* no more room, call ->commit() */
int flags;
int (*setup)(struct thread_data *);
int (*init)(struct thread_data *);
+ int (*post_init)(struct thread_data *);
int (*prep)(struct thread_data *, struct io_u *);
- int (*queue)(struct thread_data *, struct io_u *);
+ enum fio_q_status (*queue)(struct thread_data *, struct io_u *);
int (*commit)(struct thread_data *);
int (*getevents)(struct thread_data *, unsigned int, unsigned int, const struct timespec *);
struct io_u *(*event)(struct thread_data *, int);
FIO_BIT_BASED = 1 << 10, /* engine uses a bit base (e.g. uses Kbit as opposed to KB) */
FIO_FAKEIO = 1 << 11, /* engine pretends to do IO */
FIO_NOSTATS = 1 << 12, /* don't do IO stats */
+ FIO_NOFILEHASH = 1 << 13, /* doesn't hash the files for lookup later. */
+ FIO_ASYNCIO_SYNC_TRIM
+ = 1 << 14 /* io engine has async ->queue except for trim */
};
/*
*/
extern int __must_check td_io_init(struct thread_data *);
extern int __must_check td_io_prep(struct thread_data *, struct io_u *);
-extern int __must_check td_io_queue(struct thread_data *, struct io_u *);
+extern enum fio_q_status __must_check td_io_queue(struct thread_data *, struct io_u *);
extern int __must_check td_io_getevents(struct thread_data *, unsigned int, unsigned int, const struct timespec *);
-extern int __must_check td_io_commit(struct thread_data *);
+extern void td_io_commit(struct thread_data *);
extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *);
extern int td_io_close_file(struct thread_data *, struct fio_file *);
extern int td_io_unlink_file(struct thread_data *, struct fio_file *);