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task IO accounting: move all IO statistics in struct task_io_accounting

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Simplify the code of include/linux/task_io_accounting.h.

It is also more reasonable to have all the task i/o-related statistics in a
single struct (task_io_accounting).

Signed-off-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrea Righi
2008-07-28 00:48:12 +02:00
committed by Linus Torvalds
parent 837b41b5de
commit 940389b8af
5 changed files with 44 additions and 57 deletions
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12
include/linux/sched.h
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@@ -505,7 +505,7 @@ struct signal_struct {
unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
unsigned long inblock, oublock, cinblock, coublock;
struct proc_io_accounting ioac;
struct task_io_accounting ioac;
/*
* Cumulative ns of scheduled CPU time for dead threads in the
@@ -1253,7 +1253,7 @@ struct task_struct {
unsigned long ptrace_message;
siginfo_t *last_siginfo; /* For ptrace use. */
struct proc_io_accounting ioac;
struct task_io_accounting ioac;
#if defined(CONFIG_TASK_XACCT)
u64 acct_rss_mem1; /* accumulated rss usage */
u64 acct_vm_mem1; /* accumulated virtual memory usage */
@@ -2183,22 +2183,22 @@ extern long sched_group_rt_period(struct task_group *tg);
#ifdef CONFIG_TASK_XACCT
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
{
tsk->ioac.chr.rchar += amt;
tsk->ioac.rchar += amt;
}
static inline void add_wchar(struct task_struct *tsk, ssize_t amt)
{
tsk->ioac.chr.wchar += amt;
tsk->ioac.wchar += amt;
}
static inline void inc_syscr(struct task_struct *tsk)
{
tsk->ioac.chr.syscr++;
tsk->ioac.syscr++;
}
static inline void inc_syscw(struct task_struct *tsk)
{
tsk->ioac.chr.syscw++;
tsk->ioac.syscw++;
}
#else
static inline void add_rchar(struct task_struct *tsk, ssize_t amt)