netdev - Re: [RFC PATCH net-next 12/22] nexthop: Emit a notification when a nexthop group is replaced

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Message-ID: <d7d4e5e1-201e-a553-3240-ae83226ebf47@gmail.com>
Date:   Tue, 8 Sep 2020 09:22:32 -0600
From:   David Ahern <dsahern@...il.com>
To:     Ido Schimmel <idosch@...sch.org>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, roopa@...dia.com,
        mlxsw@...dia.com, Ido Schimmel <idosch@...dia.com>
Subject: Re: [RFC PATCH net-next 12/22] nexthop: Emit a notification when a
 nexthop group is replaced

On 9/8/20 3:10 AM, Ido Schimmel wrote:
> From: Ido Schimmel <idosch@...dia.com>
> 
> Emit a notification in the nexthop notification chain when an existing
> nexthop group is replaced.
> 
> The notification is emitted after all the validation checks were
> performed, but before the new configuration (i.e., 'struct nh_grp') is
> pointed at by the old shell (i.e., 'struct nexthop'). This prevents the
> need to perform rollback in case the notification is vetoed.
> 
> Signed-off-by: Ido Schimmel <idosch@...dia.com>
> ---
>  net/ipv4/nexthop.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 

Reviewed-by: David Ahern <dsahern@...il.com>