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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@xxxxxx>
Signed-off by: Hans Schillstrom <hans@xxxxxxxxxxxxxxx>
---
net/netfilter/ipvs/ip_vs_ctl.c | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index c68198b..76fc8f2 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1512,10 +1512,8 @@ __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)
@@ -1527,7 +1525,7 @@ 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);
--
1.7.3.4
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