On 2021-01-25 08:30:12 [+0000], Christoph Hellwig wrote:
> > +static void blk_mq_complete_send_ipi(struct request *rq)
> > +{
> > + struct llist_head *list;
> > + unsigned int cpu;
> > +
> > + cpu = rq->mq_ctx->cpu;
> > + list = &per_cpu(blk_cpu_done, cpu);
> > + if (llist_add(&rq->ipi_list, list)) {
> > + INIT_CSD(&rq->csd, __blk_mq_complete_request_remote, rq);
> > + smp_call_function_single_async(cpu, &rq->csd);
> > + }
> > +}
>
> Nit: it would be nice to initialize cpu and list in the declaration
> lines.
Why? They get initialized later.
> Otherwise looks good:
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Sebastian
