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SubjectRe: [PATCHv2 11/11] writeback: prevent unnecessary bdi threads wakeups
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On Thu, 2010-07-22 at 10:41 +1000, Dave Chinner wrote:
> if (wakeup_bdi) {
> trace_writeback_wakeup(bdi)
> spin_lock(&bdi->wb_lock);
> if (!bdi->wb.task) {{
> trace_writeback_wakeup_nothread(bdi);
> wake_up_process(default_backing_dev_info.wb.task);
> } else
> wake_up_process(bdi->wb.task);
> spin_unlock(&bdi->wb_lock);
> }

OK, I'll take a look at this and will try to add this to v3, thanks.

--
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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