Subject: Re: [PATCH 1/3] lightnvm: do not free unused metadata on rrpc
To: =?UTF-8?Q?Javier_Gonz=c3=a1lez?= <jg@lightnvm.io>
References: <1461778138-23116-1-git-send-email-javier@javigon.com>
Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
        =?UTF-8?Q?Javier_Gonz=c3=a1lez?= <javier@cnexlabs.com>
From: =?UTF-8?Q?Matias_Bj=c3=b8rling?= <mb@lightnvm.io>
Message-ID: <57221316.7070102@lightnvm.io>
Date: Thu, 28 Apr 2016 15:41:42 +0200
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.3.0
MIME-Version: 1.0
In-Reply-To: <1461778138-23116-1-git-send-email-javier@javigon.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 786
Lines: 25

On 04/27/2016 07:28 PM, Javier González wrote:
> rrpc does not save any metadata on a given request. Thus, do not attempt
> to free the metadata dma region.
>
> Signed-off-by: Javier González <javier@cnexlabs.com>
> ---
>   drivers/lightnvm/rrpc.c | 2 --
>   1 file changed, 2 deletions(-)
>
> diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
> index c7fef71..ffcfee6 100644
> --- a/drivers/lightnvm/rrpc.c
> +++ b/drivers/lightnvm/rrpc.c
> @@ -711,8 +711,6 @@ static void rrpc_end_io(struct nvm_rq *rqd)
>
>   	if (npages > 1)
>   		nvm_dev_dma_free(rrpc->dev, rqd->ppa_list, rqd->dma_ppa_list);
> -	if (rqd->metadata)
> -		nvm_dev_dma_free(rrpc->dev, rqd->metadata, rqd->dma_metadata);
>
>   	mempool_free(rqd, rrpc->rq_pool);
>   }
>

Thanks Javier. Applied for 4.7.