netdev - Re: [patch net-next 1/2] net: introduce a helper to move notifier block to different namespace

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Message-ID: <20221107202937.6ec5474c@kernel.org>
Date:   Mon, 7 Nov 2022 20:29:37 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, pabeni@...hat.com,
        edumazet@...gle.com, idosch@...sch.org, bigeasy@...utronix.de,
        imagedong@...cent.com, kuniyu@...zon.com, petrm@...dia.com
Subject: Re: [patch net-next 1/2] net: introduce a helper to move notifier
 block to different namespace

On Mon,  7 Nov 2022 15:52:12 +0100 Jiri Pirko wrote:
> +void __move_netdevice_notifier_net(struct net *src_net, struct net *dst_net,
> +				   struct notifier_block *nb)
> +{
> +	__unregister_netdevice_notifier_net(src_net, nb);
> +	__register_netdevice_notifier_net(dst_net, nb, true);
> +}

'static' missing

> +void move_netdevice_notifier_net(struct net *src_net, struct net *dst_net,
> +				 struct notifier_block *nb)
> +{
> +	rtnl_lock();
> +	__move_netdevice_notifier_net(src_net, dst_net, nb);
> +	rtnl_unlock();
> +}
> +EXPORT_SYMBOL(move_netdevice_notifier_net);

Do we need to export this?  Maybe let's wait for a module user?