netdev - Re: [RFC PATCH v4 09/27] nvme-fabrics: Move NVMF_ALLOWED_OPTS and NVMF_REQUIRED

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Date:   Sat, 1 May 2021 14:19:47 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Shai Malin <smalin@...vell.com>, netdev@...r.kernel.org,
        linux-nvme@...ts.infradead.org, sagi@...mberg.me, hch@....de,
        axboe@...com, kbusch@...nel.org
Cc:     "David S . Miller davem @ davemloft . net --cc=Jakub Kicinski" 
        <kuba@...nel.org>, aelior@...vell.com, mkalderon@...vell.com,
        okulkarni@...vell.com, pkushwaha@...vell.com, malin1024@...il.com,
        Arie Gershberg <agershberg@...vell.com>
Subject: Re: [RFC PATCH v4 09/27] nvme-fabrics: Move NVMF_ALLOWED_OPTS and
 NVMF_REQUIRED_OPTS definitions

On 4/29/21 9:09 PM, Shai Malin wrote:
> From: Arie Gershberg <agershberg@...vell.com>
> 
> Move NVMF_ALLOWED_OPTS and NVMF_REQUIRED_OPTS definitions
> to header file, so it can be used by transport modules.
> 
> Acked-by: Igor Russkikh <irusskikh@...vell.com>
> Signed-off-by: Arie Gershberg <agershberg@...vell.com>
> Signed-off-by: Prabhakar Kushwaha <pkushwaha@...vell.com>
> Signed-off-by: Omkar Kulkarni <okulkarni@...vell.com>
> Signed-off-by: Michal Kalderon <mkalderon@...vell.com>
> Signed-off-by: Ariel Elior <aelior@...vell.com>
> Signed-off-by: Shai Malin <smalin@...vell.com>
> ---
>   drivers/nvme/host/fabrics.c | 7 -------
>   drivers/nvme/host/fabrics.h | 7 +++++++
>   2 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c
> index 604ab0e5a2ad..55d7125c8483 100644
> --- a/drivers/nvme/host/fabrics.c
> +++ b/drivers/nvme/host/fabrics.c
> @@ -1001,13 +1001,6 @@ void nvmf_free_options(struct nvmf_ctrl_options *opts)
>   }
>   EXPORT_SYMBOL_GPL(nvmf_free_options);
>   
> -#define NVMF_REQUIRED_OPTS	(NVMF_OPT_TRANSPORT | NVMF_OPT_NQN)
> -#define NVMF_ALLOWED_OPTS	(NVMF_OPT_QUEUE_SIZE | NVMF_OPT_NR_IO_QUEUES | \
> -				 NVMF_OPT_KATO | NVMF_OPT_HOSTNQN | \
> -				 NVMF_OPT_HOST_ID | NVMF_OPT_DUP_CONNECT |\
> -				 NVMF_OPT_DISABLE_SQFLOW |\
> -				 NVMF_OPT_FAIL_FAST_TMO)
> -
>   static struct nvme_ctrl *
>   nvmf_create_ctrl(struct device *dev, const char *buf)
>   {
> diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h
> index 888b108d87a4..b7627e8dcaaf 100644
> --- a/drivers/nvme/host/fabrics.h
> +++ b/drivers/nvme/host/fabrics.h
> @@ -68,6 +68,13 @@ enum {
>   	NVMF_OPT_FAIL_FAST_TMO	= 1 << 20,
>   };
>   
> +#define NVMF_REQUIRED_OPTS	(NVMF_OPT_TRANSPORT | NVMF_OPT_NQN)
> +#define NVMF_ALLOWED_OPTS	(NVMF_OPT_QUEUE_SIZE | NVMF_OPT_NR_IO_QUEUES | \
> +				 NVMF_OPT_KATO | NVMF_OPT_HOSTNQN | \
> +				 NVMF_OPT_HOST_ID | NVMF_OPT_DUP_CONNECT |\
> +				 NVMF_OPT_DISABLE_SQFLOW |\
> +				 NVMF_OPT_FAIL_FAST_TMO)
> +
>   /**
>    * struct nvmf_ctrl_options - Used to hold the options specified
>    *			      with the parsing opts enum.
> 

Why do you need them? None of the other transport drivers use them, why you?

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
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