Hi Oleg,



As you stated in an earlier mail, the following code should handle all cases.
I think delay==0 is fine now, we take the costly (but rare) path.

int queue_update_delayed_work(struct workqueue_struct *wq,
                              struct delayed_work *dwork, unsigned long delay)
{
        int ret = 1;

        while (queue_delayed_work(wq, dwork, delay)) {
                unsigned long when = jiffies + delay;

                ret = 0;
                if (delay && update_timer_expiry(&dwork->timer, when))
                        break;
                cancel_work_sync(&dwork->work);
        }

        return ret;
}

I will run some tests and submit again.

Thanks once more for explaining patiently some very complicated portions :)

- KK


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