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Date:   Thu, 15 Dec 2022 11:39:11 -0800
From:   Jacob Keller <>
To:     Jakub Kicinski <>, <>
CC:     <>, <>,
        <>, <>, <>
Subject: Re: [RFC net-next 00/15] devlink: code split and structured instance

On 12/14/2022 6:01 PM, Jakub Kicinski wrote:
> Hi!
> I started working on the refcounting / registration changes
> and (as is usual in our profession) I quickly veered off into
> refactoring / paying technical debt. I hope this is not too
> controversial.
> ===
> Split devlink.c into a handful of files, trying to keep the "core"
> code away from all the command-specific implementations.
> The core code has been quite scattered before. Going forward we can
> consider using a source file per-subobject, I think that it's quite
> beneficial to newcomers (based on relative ease with which folks
> contribute to ethtool vs devlink). But this series doesn't split
> everything out, yet - partially due to backporting concerns,
> but mostly due to lack of time. 
> Introduce a context structure for dumps, and use it to store
> the devlink instance ID of the last dumped devlink instance.
> This means we don't have to restart the walk from 0 each time.
> Finally - introduce a "structured walk". A centralized dump handler
> in devlink/netlink.c which walks the devlink instances, deals with
> refcounting/locking, simplifying the per-object implementations quite
> a bit.

I'm fine with the series as-is.

Reviewed-by: Jacob Keller <>

Moving the dumpit_one thing into generic netlink files seems ok, but I
trust you may have already thought about and decided it was too devlink


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