Hi Ming
On 05/02/2018 11:33 AM, Ming Lei wrote:
> No, there isn't such race, the 'mod_timer' doesn't make a difference
> because 'q->timeout_off' will be visible in new work func after
> cancel_work_sync() returns. So even the timer is expired, work func
> still returns immediately.
Yes, you are
On Wed, May 02, 2018 at 10:23:35AM +0800, jianchao.wang wrote:
> Hi ming
>
> On 04/29/2018 11:41 PM, Ming Lei wrote:
> >
> > +static void __blk_unquiesce_timeout(struct request_queue *q)
> > +{
> > + unsigned long flags;
> > +
> > + spin_lock_irqsave(q->queue_lock, flags);
> > +
Hi ming
On 04/29/2018 11:41 PM, Ming Lei wrote:
>
> +static void __blk_unquiesce_timeout(struct request_queue *q)
> +{
> + unsigned long flags;
> +
> + spin_lock_irqsave(q->queue_lock, flags);
> + q->timeout_off = false;
> + spin_unlock_irqrestore(q->queue_lock, flags);
> +}
> +
