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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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10
fs/proc/base.c
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@@ -2403,7 +2403,7 @@ static int proc_base_fill_cache(struct file *filp, void *dirent,
#ifdef CONFIG_TASK_IO_ACCOUNTING
static int do_io_accounting(struct task_struct *task, char *buffer, int whole)
{
struct proc_io_accounting acct = task->ioac;
struct task_io_accounting acct = task->ioac;
unsigned long flags;
if (whole && lock_task_sighand(task, &flags)) {
@@ -2423,10 +2423,10 @@ static int do_io_accounting(struct task_struct *task, char *buffer, int whole)
"read_bytes: %llu\n"
"write_bytes: %llu\n"
"cancelled_write_bytes: %llu\n",
acct.chr.rchar, acct.chr.wchar,
acct.chr.syscr, acct.chr.syscw,
acct.blk.read_bytes, acct.blk.write_bytes,
acct.blk.cancelled_write_bytes);
acct.rchar, acct.wchar,
acct.syscr, acct.syscw,
acct.read_bytes, acct.write_bytes,
acct.cancelled_write_bytes);
}
static int proc_tid_io_accounting(struct task_struct *task, char *buffer)