Messages in this thread | | | Date | Thu, 15 Sep 2011 15:44:10 -0400 (EDT) | Subject | Re: [PATCH net-next] net: linkwatch: allow vlans to get carrier changes faster | From | David Miller <> |
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From: Eric Dumazet <eric.dumazet@gmail.com> Date: Wed, 31 Aug 2011 11:31:58 +0200
> There is a time-lag of IFF_RUNNING flag consistency between vlan and > real devices when the real devices are in problem such as link or cable > broken. > > This leads to a degradation of Availability such as a delay of failover > in HA systems using vlan since the detection of the problem at real > device is delayed. > > We can avoid the linkwatch delay (~1 sec) for devices linked to another > ones, since delay is already done for the realdev. > > Based on a previous patch from Mitsuo Hayasaka > > Reported-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com> > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Applied.
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