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SubjectRe: [RFC v2 4/5] mm/swapfile: refcount block and queue before using blkcg_schedule_throttle()
On Thu, Apr 09, 2020 at 08:02:59PM -0700, Bart Van Assche wrote:
> On 2020-04-09 14:45, Luis Chamberlain wrote:
> > if (si->bdev) {
> > + bdev = bdgrab(si->bdev);
> > + if (!bdev)
> > + continue;
> > + /*
> > + * By adding our own bdgrab() we ensure the queue
> > + * sticks around until disk_release(), and so we ensure
> > + * our release of the request_queue does not happen in
> > + * atomic context.
> > + */
> > blkcg_schedule_throttle(bdev_get_queue(si->bdev),
> > true);
>
> How about changing the si->bdev argument of blkcg_schedule_throttle()
> into bdev?

Sure, thanks!

Luis

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