netdev - Re: [PATCH net 2/6] rtnetlink: bring NETDEV_CHANGE_TX_QUEUE_LEN event process back in rtnetlink

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Date:   Sun, 15 Oct 2017 19:16:09 -0600
From:   David Ahern <dsahern@...il.com>
To:     Xin Long <lucien.xin@...il.com>,
        network dev <netdev@...r.kernel.org>
Cc:     davem@...emloft.net, hannes@...essinduktion.org
Subject: Re: [PATCH net 2/6] rtnetlink: bring NETDEV_CHANGE_TX_QUEUE_LEN event
 process back in rtnetlink_event

On 10/15/17 4:13 AM, Xin Long wrote:
> The same fix for changing mtu in the patch 'rtnetlink: bring
> NETDEV_CHANGEMTU event process back in rtnetlink_event' is
> needed for changing tx_queue_len.
> 
> Note that the redundant notifications issue for tx_queue_len
> will be fixed in the later patch 'rtnetlink: do not send
> notification for tx_queue_len in do_setlink'.
> 
> Fixes: 27b3b551d8a7 ("rtnetlink: Do not generate notifications for NETDEV_CHANGE_TX_QUEUE_LEN event")
> Signed-off-by: Xin Long <lucien.xin@...il.com>
> ---
>  net/core/rtnetlink.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
> index 72053ed..bf47360 100644
> --- a/net/core/rtnetlink.c
> +++ b/net/core/rtnetlink.c
> @@ -4287,6 +4287,7 @@ static int rtnetlink_event(struct notifier_block *this, unsigned long event, voi
>  	case NETDEV_NOTIFY_PEERS:
>  	case NETDEV_RESEND_IGMP:
>  	case NETDEV_CHANGEINFODATA:
> +	case NETDEV_CHANGE_TX_QUEUE_LEN:
>  		rtmsg_ifinfo_event(RTM_NEWLINK, dev, 0, rtnl_get_event(event),
>  				   GFP_KERNEL);
>  		break;
> 

Acked-by: David Ahern <dsahern@...il.com>