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From: Christoph Hellwig <hch@lst.de>
To: Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>
Cc: Christoph Hellwig <hch@lst.de>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
	Damien Le Moal <Damien.LeMoal@wdc.com>
Subject: Re: [PATCH V13 2/4] nvmet: add ZBD over ZNS backend support
Date: Fri, 9 Apr 2021 11:53:37 +0200	[thread overview]
Message-ID: <20210409095337.GA16010@lst.de> (raw)
In-Reply-To: <BYAPR04MB496511D1B547762FB9ACABFB86739@BYAPR04MB4965.namprd04.prod.outlook.com>

On Fri, Apr 09, 2021 at 07:09:12AM +0000, Chaitanya Kulkarni wrote:
> diff --git a/drivers/nvme/target/admin-cmd.c
> b/drivers/nvme/target/admin-cmd.c
> index fc5f64a38661..da6d5225f25a 100644
> --- a/drivers/nvme/target/admin-cmd.c
> +++ b/drivers/nvme/target/admin-cmd.c
> @@ -685,6 +685,14 @@ static void nvmet_execute_identify(struct nvmet_req
> *req)
>         if (!nvmet_check_transfer_len(req, NVME_IDENTIFY_DATA_SIZE))
>                 return;
>  
> +       switch (req->cmd->identify.csi) {
> +       case NVME_CSI_NVM:
> +       case NVME_CSI_ZNS:
> +               break;
> +       default:
> +               goto out;
> +       }
> +

I don't think thi is the right thing to do as only a few CNS values
look at the CSI, so we'd need this switch in those switch cases that
need CNS values only.

The rest looks good.

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  reply	other threads:[~2021-04-09  9:54 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-08  0:14 [PATCH V13 0/4] nvmet: add ZBD backend support Chaitanya Kulkarni
2021-04-08  0:14 ` [PATCH V13 1/4] nvmet: add NVM Command Set Identifier support Chaitanya Kulkarni
2021-04-08  7:15   ` Christoph Hellwig
2021-04-08  0:14 ` [PATCH V13 2/4] nvmet: add ZBD over ZNS backend support Chaitanya Kulkarni
2021-04-08  7:23   ` Christoph Hellwig
2021-04-08 21:14     ` Chaitanya Kulkarni
2021-04-09  5:40       ` Christoph Hellwig
2021-04-09  5:42         ` Chaitanya Kulkarni
2021-04-09  7:09     ` Chaitanya Kulkarni
2021-04-09  9:53       ` Christoph Hellwig [this message]
2021-04-08  8:01   ` Damien Le Moal
2021-04-08 22:06     ` Chaitanya Kulkarni
2021-04-08 22:33       ` Damien Le Moal
2021-04-08  8:15   ` Damien Le Moal
2021-04-08  0:14 ` [PATCH V13 3/4] nvmet: add nvmet_req_bio put helper for backends Chaitanya Kulkarni
2021-04-08  0:14 ` [PATCH V13 4/4] nvmet: add req cns error complete helper Chaitanya Kulkarni
2021-04-08  7:24   ` Christoph Hellwig

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