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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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