Re: [PATCH v2 9/9] blk-mq: support per-distpatch_queue flush machinery

[Jens Axboe]

On 2014-09-12 08:47, Ming Lei wrote:
> @@ -31,7 +33,15 @@ extern struct ida blk_queue_ida;
>   static inline struct blk_flush_queue *blk_get_flush_queue(
>   		struct request_queue *q, struct blk_mq_ctx *ctx)
>   {
> -	return q->fq;
> +	struct blk_mq_hw_ctx *hctx;
> +
> +	if (!q->mq_ops)
> +		return q->fq;
> +
> +	WARN_ON(!ctx);
> +	hctx = q->mq_ops->map_queue(q, ctx->cpu);
> +
> +	return hctx->fq;

Kill the WARN_ON(), we'll know soon enough of this happens anyway.


--
Jens Axboe

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/