[fio.git] / fdp.h

#ifndef FIO_FDP_H
#define FIO_FDP_H

#include "io_u.h"

#define FDP_DIR_DTYPE	2
#define FDP_MAX_RUHS	128

/*
 * How fio chooses what placement identifier to use next. Choice of
 * uniformly random, or roundrobin.
 */

enum {
	FIO_FDP_RANDOM	= 0x1,
	FIO_FDP_RR	= 0x2,
};

struct fio_ruhs_info {
	uint32_t nr_ruhs;
	uint32_t pli_loc;
	uint16_t plis[];
};

int fdp_init(struct thread_data *td);
void fdp_free_ruhs_info(struct fio_file *f);
void fdp_fill_dspec_data(struct thread_data *td, struct io_u *io_u);

#endif /* FIO_FDP_H */
Commit	Line	Data
a7e8aae0 KB	1	#ifndef FIO_FDP_H
	2	#define FIO_FDP_H
	3
	4	#include "io_u.h"
	5
98cd3c0e AK	6	#define FDP_DIR_DTYPE 2
	7	#define FDP_MAX_RUHS 128
	8
d3e310c5 AK	9	/*
	10	* How fio chooses what placement identifier to use next. Choice of
	11	* uniformly random, or roundrobin.
	12	*/
	13
	14	enum {
	15	FIO_FDP_RANDOM = 0x1,
	16	FIO_FDP_RR = 0x2,
	17	};
	18
a7e8aae0 KB	19	struct fio_ruhs_info {
	20	uint32_t nr_ruhs;
	21	uint32_t pli_loc;
	22	uint16_t plis[];
	23	};
	24
	25	int fdp_init(struct thread_data *td);
	26	void fdp_free_ruhs_info(struct fio_file *f);
	27	void fdp_fill_dspec_data(struct thread_data td, struct io_u io_u);
	28
	29	#endif /* FIO_FDP_H */