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From: Jarek Poplawski <jarkao2@o2.pl>
To: Laszlo Attila Toth <panther@balabit.hu>
Cc: David Miller <davem@davemloft.net>,
	Patrick McHardy <kaber@trash.net>,
	netdev@vger.kernel.org
Subject: Re: [PATCHv7 2/5] rtnetlink: send a single notification on device state changes
Date: Sat, 01 Dec 2007 00:24:41 +0100	[thread overview]
Message-ID: <47509BB9.10108@o2.pl> (raw)
In-Reply-To: <1196352710402-git-send-email-panther@balabit.hu>

Laszlo Attila Toth wrote, On 11/29/2007 05:11 PM:

> In do_setlink() a single ntification is sent at the end of the function
> if any modification occured. If the address has been changed, another
> notification is sent.


...

> @@ -858,6 +859,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
>  	if (tb[IFLA_BROADCAST]) {
>  		nla_memcpy(dev->broadcast, tb[IFLA_BROADCAST], dev->addr_len);
>  		send_addr_notify = 1;
> +		modified = 1;
>  	}

...

>  	if (send_addr_notify)
>  		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
> +
> +	if (modified)
> +		netdev_state_change(dev);
> +

The subject suggests there might be less notifications. The patch actually
adds a little. Any additional comment why they are necessary?

Jarek P.

  reply	other threads:[~2007-11-30 23:23 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <ifgroup-20071129-165736-1196351856-panther@balabit.hu>
2007-11-29 16:11 ` [PATCHv7 0/5 + 3] Interface group patches Laszlo Attila Toth
2007-11-29 16:25   ` Patrick McHardy
2007-11-29 16:39     ` Laszlo Attila Toth
2007-11-29 16:11 ` [PATCHv7 1/5] Remove unnecessary locks from rtnetlink (in do_setlink) Laszlo Attila Toth
2007-11-30 22:13   ` Jarek Poplawski
2007-12-03 11:59     ` Laszlo Attila Toth
2007-12-18 12:29   ` [PATCHv7 1/5][RESEND] Remove unnecessary locks from rtnetlink Laszlo Attila Toth
2007-11-29 16:11 ` [PATCHv7 2/5] rtnetlink: send a single notification on device state changes Laszlo Attila Toth
2007-11-30 23:24   ` Jarek Poplawski [this message]
2007-12-03 11:40     ` Laszlo Attila Toth
2007-12-03 13:37       ` Jarek Poplawski
2007-12-18 12:29   ` [PATCHv7 2/5][RESEND] " Laszlo Attila Toth
2007-11-29 16:11 ` [PATCHv7 3/5] Interface group: core (netlink) part Laszlo Attila Toth
2007-11-29 16:11 ` [PATCHv7 4/5] Ifgroup read/write support in sysfs Laszlo Attila Toth
2007-11-29 16:11 ` [PATCHv7 5/5] Netfilter Interface group match Laszlo Attila Toth
2007-11-29 16:11 ` [PATCHv7 iptables] " Laszlo Attila Toth
2007-12-01 21:19   ` Jarek Poplawski
2007-12-01 21:23     ` Jarek Poplawski
2007-11-29 16:11 ` [PATCHv7 iproute2 1/2] Added IFLA_NET_NS_PID as in kernel v2.6.24-rc1 Laszlo Attila Toth
2007-11-29 16:11 ` [PATCHv7 iproute2 2/2] Interface group as new ip link option Laszlo Attila Toth
2007-12-01 22:10   ` Jarek Poplawski
2007-12-18 12:29   ` [PATCHv7 iproute2 2/2][RESEND] " Laszlo Attila Toth

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