On Mon, Apr 08, 2019 at 10:15:05AM -0600, Keith Busch wrote:
> > +bool blk_mq_complete_request_sync(struct request *rq)
> > +{
> > + if (unlikely(blk_should_fake_timeout(rq->q)))
> > + return false;
> > +
> > + WRITE_ONCE(rq->state, MQ_RQ_COMPLETE);
> > + rq->q->mq_ops->complete(rq)
On Mon, Apr 08, 2019 at 05:40:46PM +0800, Ming Lei wrote:
> In NVMe's error handler, follows the typical steps of tearing down
> hardware for recovering controller:
>
> 1) stop blk_mq hw queues
> 2) stop the real hw queues
> 3) cancel in-flight requests via
> blk_mq_tagset_busy_iter(tags, ca
In NVMe's error handler, follows the typical steps of tearing down
hardware for recovering controller:
1) stop blk_mq hw queues
2) stop the real hw queues
3) cancel in-flight requests via
blk_mq_tagset_busy_iter(tags, cancel_request, ...)
cancel_request():
mark the request as abort
