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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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14
kernel/tsacct.c
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@ -94,14 +94,14 @@ void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
stats->hiwater_vm = mm->hiwater_vm * PAGE_SIZE / KB;
mmput(mm);
}
stats->read_char = p->ioac.chr.rchar;
stats->write_char = p->ioac.chr.wchar;
stats->read_syscalls = p->ioac.chr.syscr;
stats->write_syscalls = p->ioac.chr.syscw;
stats->read_char = p->ioac.rchar;
stats->write_char = p->ioac.wchar;
stats->read_syscalls = p->ioac.syscr;
stats->write_syscalls = p->ioac.syscw;
#ifdef CONFIG_TASK_IO_ACCOUNTING
stats->read_bytes = p->ioac.blk.read_bytes;
stats->write_bytes = p->ioac.blk.write_bytes;
stats->cancelled_write_bytes = p->ioac.blk.cancelled_write_bytes;
stats->read_bytes = p->ioac.read_bytes;
stats->write_bytes = p->ioac.write_bytes;
stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes;
#else
stats->read_bytes = 0;
stats->write_bytes = 0;