linux-kernel - Re: [PATCH 08/13] libnvdimm, blk: move i/o infrastructure to nd_namespace

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Date:	Thu, 24 Mar 2016 13:22:25 +0100
From:	Johannes Thumshirn <jthumshirn@...e.de>
To:	linux-nvdimm@...ts.01.org
Cc:	Dan Williams <dan.j.williams@...el.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/13] libnvdimm, blk: move i/o infrastructure to nd_namespace_blk

On Mittwoch, 23. März 2016 18:26:03 CET Dan Williams wrote:
> Consolidate the information for issuing i/o to a blk-namespace, and
> eliminate some pointer chasing.
> 
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> ---
[...]
>  		BUG_ON(len > PAGE_SIZE);
> -		err = nd_blk_do_bvec(blk_dev, bip, bvec.bv_page, len,
> -					bvec.bv_offset, rw, iter.bi_sector);
> +		err = nsblk_do_bvec(nsblk, bip, bvec.bv_page, len,
> +				bvec.bv_offset, rw, iter.bi_sector);
>  		if (err) {
> -			dev_info(&blk_dev->nsblk->common.dev,
> +			dev_dbg(&nsblk->common.dev,
>  					"io error in %s sector %lld, len %d,\n",
>  					(rw == READ) ? "READ" : "WRITE",
>  					(unsigned long long) iter.bi_sector, len);

Why is an I/O error suddently a debug message instead of an error?

Otherwise
Reviewed-by: Johannes Thumshirn <jthumshirn@...e.de>

-- 
Johannes Thumshirn                                          Storage
jthumshirn@...e.de                                +49 911 74053 689
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