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From: Matthew Wilcox <willy@linux.intel.com>
To: "Matias Bjørling" <m@bjorling.me>
Cc: keith.busch@intel.com, sbradshaw@micron.com, axboe@kernel.dk,
	linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: Re: [PATCH v4] NVMe: basic conversion to blk-mq
Date: Fri, 30 May 2014 11:00:50 -0400	[thread overview]
Message-ID: <20140530150050.GD5499@linux.intel.com> (raw)
In-Reply-To: <1401400285-25003-2-git-send-email-m@bjorling.me>

On Thu, May 29, 2014 at 11:51:25PM +0200, Matias Bjørling wrote:
> -static int nvme_map_bio(struct nvme_queue *nvmeq, struct nvme_iod *iod,
> -		struct bio *bio, enum dma_data_direction dma_dir, int psegs)
> +static int nvme_map_rq(struct nvme_queue *nvmeq, struct nvme_iod *iod,
> +		struct request *req, enum dma_data_direction dma_dir,
> +		int psegs)
>  {
> -	struct bio_vec bvec, bvprv;
> -	struct bvec_iter iter;
> -	struct scatterlist *sg = NULL;
> -	int length = 0, nsegs = 0, split_len = bio->bi_iter.bi_size;
> -	int first = 1;
> -
> -	if (nvmeq->dev->stripe_size)
> -		split_len = nvmeq->dev->stripe_size -
> -			((bio->bi_iter.bi_sector << 9) &
> -			 (nvmeq->dev->stripe_size - 1));

You take out stripe_size here, but don't appear to put it back in
anywhere else.

  parent reply	other threads:[~2014-05-30 15:00 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-29 21:51 [PATCH v4] basic conversion to blk-mq Matias Bjørling
2014-05-29 21:51 ` [PATCH v4] NVMe: " Matias Bjørling
2014-05-30 14:54   ` Matthew Wilcox
2014-05-30 15:00   ` Matthew Wilcox [this message]
2014-05-30 19:46     ` Jens Axboe
2014-05-30 16:48   ` Keith Busch
2014-05-30 19:33     ` Matias Bjorling
2014-05-30 16:58   ` Matthew Wilcox
2014-06-02 10:08   ` Christoph Hellwig
2014-06-02 11:46     ` Matias Bjørling
2014-06-02  9:42 ` [PATCH v4] " Christoph Hellwig
2014-06-02 10:31   ` Matias Bjørling
2014-06-02 10:11 ` Christoph Hellwig

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