linux-kernel - Re: [PATCH v4] NVMe: basic conversion to blk-mq

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Date:	Fri, 30 May 2014 12:58:27 -0400
From:	Matthew Wilcox <willy@...ux.intel.com>
To:	Matias Bjørling <m@...rling.me>
Cc:	keith.busch@...el.com, sbradshaw@...ron.com, axboe@...nel.dk,
	linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org
Subject: Re: [PATCH v4] NVMe: basic conversion to blk-mq

On Thu, May 29, 2014 at 11:51:25PM +0200, Matias Bjørling wrote:
> +static int nvme_init_hctx(struct blk_mq_hw_ctx *hctx, void *data,
> +			  unsigned int i)
>  {
> +	struct nvme_dev *dev = data;
> +	struct nvme_queue *nvmeq = dev->queues[(i % dev->queue_count) + 1];
> +	BUG_ON(!nvmeq);
> +	WARN_ON(nvmeq->hctx);
> +	nvmeq->hctx = hctx;
> +	hctx->driver_data = nvmeq;
> +	return 0;
> +}

You can't call this parameter 'i'.  See Documentation/CodingStyle chapter 4.
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