netdev - Re: [PATCH net-next 03/19] net: add dev_hold_track() and dev_put

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Date:   Mon, 23 May 2022 11:03:15 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: Re: [PATCH net-next 03/19] net: add dev_hold_track() and
 dev_put_track() helpers

On Wed,  1 Dec 2021 19:21:23 -0800 Eric Dumazet wrote:
> +static inline void dev_hold_track(struct net_device *dev,
> +				  netdevice_tracker *tracker, gfp_t gfp)
> +{
> +	if (dev) {
> +		dev_hold(dev);
> +#ifdef CONFIG_NET_DEV_REFCNT_TRACKER
> +		ref_tracker_alloc(&dev->refcnt_tracker, tracker, gfp);
> +#endif
> +	}
> +}
> +
> +static inline void dev_put_track(struct net_device *dev,
> +				 netdevice_tracker *tracker)
> +{
> +	if (dev) {
> +#ifdef CONFIG_NET_DEV_REFCNT_TRACKER
> +		ref_tracker_free(&dev->refcnt_tracker, tracker);
> +#endif
> +		dev_put(dev);
> +	}
> +}

Hi Eric, how bad would it be if we renamed dev_hold/put_track() to
netdev_hold/put()? IIUC we use the dev_ prefix for "historic reasons"
could this be an opportunity to stop doing that?