netdev - Re: [patch net-next 02/15] net: fib_notifier: make FIB notifier per-netns

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Message-ID: <178785ef-f8f9-3a04-2e91-abdfb2b93b6d@gmail.com>
Date:   Mon, 16 Sep 2019 08:54:03 -0600
From:   David Ahern <dsahern@...il.com>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, idosch@...lanox.com,
        jakub.kicinski@...ronome.com, tariqt@...lanox.com,
        saeedm@...lanox.com, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        shuah@...nel.org, mlxsw@...lanox.com
Subject: Re: [patch net-next 02/15] net: fib_notifier: make FIB notifier
 per-netns

On 9/15/19 11:38 PM, Jiri Pirko wrote:
>> This is still more complicated than it needs to be. Why lump all
>> fib_notifier_ops into 1 dump when they are separate databases with
>> separate seq numbers? Just dump them 1 at a time and retry that 1
>> database as needed.
> 
> Well I think that what you describe is out of scope of this patch. It is
> another optimization of fib_notifier. The aim of this patchset is not
> optimization of fib_notifier, but devlink netns change. This patchset is
> just a dependency.
> 
> Can't we do optimization in another patchset? I already struggled to
> keep this one within 15-patch limit.
> 

sure, but it seems to me it is less work to churn this code all at once
and you are already doing the testing. The fib notifier changes can
always be done as a prep set.