On Fri, 2019-03-08 at 10:40 -0700, Keith Busch wrote:
> +static bool nvme_fail_queue_request(struct request *req, void *data, bool
> reserved)
> +{
> + struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
> + struct nvme_queue *nvmeq = iod->nvmeq;
> +
> + if (!test_bit(NVMEQ_ENABLED, &nvmeq->flags))
> + blk_mq_end_request(req, BLK_STS_IOERR);
> + return true;
> +}
Same question here as for patch 4/5: what prevents concurrent calls of
blk_mq_complete_request() with the blk_mq_end_request() call in the
above function?
Thanks,
Bart.