[linux-2.6-block.git] / include / linux / latency.h

/*
 * latency.h: Explicit system-wide latency-expectation infrastructure
 *
 * (C) Copyright 2006 Intel Corporation
 * Author: Arjan van de Ven <arjan@linux.intel.com>
 *
 */

#ifndef _INCLUDE_GUARD_LATENCY_H_
#define _INCLUDE_GUARD_LATENCY_H_

#include <linux/notifier.h>

void set_acceptable_latency(char *identifier, int usecs);
void modify_acceptable_latency(char *identifier, int usecs);
void remove_acceptable_latency(char *identifier);
void synchronize_acceptable_latency(void);
int system_latency_constraint(void);

int register_latency_notifier(struct notifier_block * nb);
int unregister_latency_notifier(struct notifier_block * nb);

#define INFINITE_LATENCY 1000000

#endif
Commit	Line	Data
5c87579e AV	1	/*
	2	* latency.h: Explicit system-wide latency-expectation infrastructure
	3	*
	4	* (C) Copyright 2006 Intel Corporation
	5	* Author: Arjan van de Ven <arjan@linux.intel.com>
	6	*
	7	*/
	8
	9	#ifndef _INCLUDE_GUARD_LATENCY_H_
	10	#define _INCLUDE_GUARD_LATENCY_H_
	11
	12	#include <linux/notifier.h>
	13
	14	void set_acceptable_latency(char *identifier, int usecs);
	15	void modify_acceptable_latency(char *identifier, int usecs);
	16	void remove_acceptable_latency(char *identifier);
	17	void synchronize_acceptable_latency(void);
	18	int system_latency_constraint(void);
	19
	20	int register_latency_notifier(struct notifier_block * nb);
	21	int unregister_latency_notifier(struct notifier_block * nb);
	22
	23	#define INFINITE_LATENCY 1000000
	24
	25	#endif