https://github.com/torvalds/linux
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Tip revision: 464e1d5f23cca236b930ef068c328a64cab78fb1 authored by Linus Torvalds on 24 December 2017, 04:47:16 UTC
Linux 4.15-rc5
Tip revision: 464e1d5
xacct.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SCHED_XACCT_H
#define _LINUX_SCHED_XACCT_H

/*
 * Extended task accounting methods:
 */

#include <linux/sched.h>

#ifdef CONFIG_TASK_XACCT
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
{
	tsk->ioac.rchar += amt;
}

static inline void add_wchar(struct task_struct *tsk, ssize_t amt)
{
	tsk->ioac.wchar += amt;
}

static inline void inc_syscr(struct task_struct *tsk)
{
	tsk->ioac.syscr++;
}

static inline void inc_syscw(struct task_struct *tsk)
{
	tsk->ioac.syscw++;
}
#else
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
{
}

static inline void add_wchar(struct task_struct *tsk, ssize_t amt)
{
}

static inline void inc_syscr(struct task_struct *tsk)
{
}

static inline void inc_syscw(struct task_struct *tsk)
{
}
#endif

#endif /* _LINUX_SCHED_XACCT_H */
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