netdev - Re: [patch net-next 6/8] ipv4: fib: Add an API to request a FIB dump

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Date:   Wed, 16 Nov 2016 11:27:35 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     hannes@...essinduktion.org
Cc:     jiri@...nulli.us, netdev@...r.kernel.org, idosch@...lanox.com,
        eladr@...lanox.com, yotamg@...lanox.com, nogahf@...lanox.com,
        arkadis@...lanox.com, ogerlitz@...lanox.com,
        roopa@...ulusnetworks.com, dsa@...ulusnetworks.com,
        nikolay@...ulusnetworks.com, andy@...yhouse.net,
        vivien.didelot@...oirfairelinux.com, andrew@...n.ch,
        f.fainelli@...il.com, alexander.h.duyck@...el.com,
        kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
        kaber@...sh.net
Subject: Re: [patch net-next 6/8] ipv4: fib: Add an API to request a FIB
 dump

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Wed, 16 Nov 2016 15:51:01 +0100

> I don't see a way around doing a journal like in filesystems somehow,

We really just need a sequence counter incremented for each insert/remove,
and restart the dump from the beginning if it changes mid-dump.