[PATCH v3] blk-mq: check on cpu id when there is only one ctx mapping

[Christoph Hellwig]

This looks fine to me:

Reviewed-by: Christoph Hellwig <hch at lst.de>
> -	if (rq->mq_hctx->nr_ctx == 1 ||
> +	if ((rq->mq_hctx->nr_ctx == 1 &&
> +	     rq->mq_ctx->cpu == raw_smp_processor_id()) ||
>  		rq->cmd_flags & REQ_POLLED)

But please fix the incorrct indentation in the existing code here
please while you're at it (maybe Jens can just fold it in):

	if ((rq->mq_hctx->nr_ctx == 1 &&
	     rq->mq_ctx->cpu == raw_smp_processor_id()) ||
 	    (rq->cmd_flags & REQ_POLLED))