linux-kernel - Re: [PATCH] nvme: lightnvm: return ppa completion status

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Date:	Sat, 13 Feb 2016 02:01:01 -0800
From:	Christoph Hellwig <hch@...radead.org>
To:	Matias Bj??rling <m@...rling.me>
Cc:	linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-nvme@...ts.infradead.org
Subject: Re: [PATCH] nvme: lightnvm: return ppa completion status

On Thu, Feb 11, 2016 at 12:36:29PM +0100, Matias Bj??rling wrote:
> PPAs sent to device is separately acknowledge in a 64bit status
> variable. The status is stored in DW0 and DW1 of the completion queue
> entry. Store this status inside the nvm_rq for further processing.
> 
> This can later be used to implement retry techniques for failed writes
> and reads.
> 
> Signed-off-by: Matias Bj??rling <m@...rling.me>

Looks reasonable:

Reviewed-by: Christoph Hellwig <hch@....de>