[PATCH 6/9] nvmet: add cns-cs-ns in id-ctrl for ZNS bdev

Damien Le Moal Damien.LeMoal at wdc.com
Thu Nov 26 03:40:01 EST 2020


On 2020/11/26 11:42, Chaitanya Kulkarni wrote:
> Update the nvmet_execute_identify() such that it can now handle
> NVME_ID_CNS_CS_NS when identify.cis is set to ZNS. This allows
> host to identify the ns with ZNS capabilities.
> 
> Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>
> ---
>  drivers/nvme/target/admin-cmd.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
> index e7d2b96cda6b..cd368cbe3855 100644
> --- a/drivers/nvme/target/admin-cmd.c
> +++ b/drivers/nvme/target/admin-cmd.c
> @@ -648,6 +648,10 @@ static void nvmet_execute_identify(struct nvmet_req *req)
>  	switch (req->cmd->identify.cns) {
>  	case NVME_ID_CNS_NS:
>  		return nvmet_execute_identify_ns(req);
> +	case NVME_ID_CNS_CS_NS:
> +		if (req->cmd->identify.csi == NVME_CSI_ZNS)
> +			return nvmet_execute_identify_cns_cs_ns(req);
> +		break;
>  	case NVME_ID_CNS_CTRL:
>  		return nvmet_execute_identify_ctrl(req);
>  	case NVME_ID_CNS_CS_CTRL:
> 

Same patch as patch 5 ? Bug ?

-- 
Damien Le Moal
Western Digital Research



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