linux-kernel - Re: [PATCH net 4/5] net/ncsi: Enforce failover on link monitor timeout

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Date:   Sat, 21 Oct 2017 01:57:17 +0100 (WEST)
From:   David Miller <davem@...emloft.net>
To:     sam@...dozajonas.com
Cc:     netdev@...r.kernel.org, gwshan@...ux.vnet.ibm.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 4/5] net/ncsi: Enforce failover on link monitor
 timeout

From: Samuel Mendoza-Jonas <sam@...dozajonas.com>
Date: Thu, 19 Oct 2017 13:43:08 +1100

> From: Gavin Shan <gwshan@...ux.vnet.ibm.com>
> 
> The NCSI channel has been configured to provide service if its link
> monitor timer is enabled, regardless of its state (inactive or active).
> So the timeout event on the link monitor indicates the out-of-service
> on that channel, for which a failover is needed.
> 
> This sets NCSI_DEV_RESHUFFLE flag to enforce failover on link monitor
> timeout, regardless the channel's original state (inactive or active).
> Also, the link is put into "down" state to give the failing channel
> lowest priority when selecting for the active channel. The state of
> failing channel should be set to active in order for deinitialization
> and failover to be done.
> 
> Signed-off-by: Gavin Shan <gwshan@...ux.vnet.ibm.com>
> Signed-off-by: Samuel Mendoza-Jonas <sam@...dozajonas.com>

Applied.