ipvs: prefer NETDEV_DOWN event to free cached dsts

The real server becomes unreachable on down event,
no need to wait device unregistration. Should help in
releasing dsts early before dst->dev is replaced with lo.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off by: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Julian Anastasov 2013-03-21 11:58:00 +02:00 committed by Pablo Neira Ayuso
parent c90558dae5
commit 313eae637f

View file

@ -1514,10 +1514,8 @@ __ip_vs_dev_reset(struct ip_vs_dest *dest, struct net_device *dev)
spin_unlock_bh(&dest->dst_lock);
}
/*
* Netdev event receiver
* Currently only NETDEV_UNREGISTER is handled, i.e. if we hold a reference to
* a device that is "unregister" it must be released.
/* Netdev event receiver
* Currently only NETDEV_DOWN is handled to release refs to cached dsts
*/
static int ip_vs_dst_event(struct notifier_block *this, unsigned long event,
void *ptr)
@ -1529,7 +1527,7 @@ static int ip_vs_dst_event(struct notifier_block *this, unsigned long event,
struct ip_vs_dest *dest;
unsigned int idx;
if (event != NETDEV_UNREGISTER || !ipvs)
if (event != NETDEV_DOWN || !ipvs)
return NOTIFY_DONE;
IP_VS_DBG(3, "%s() dev=%s\n", __func__, dev->name);
EnterFunction(2);