netdev - Re: [patch net-next v2 11/11] devlink: extend health reporter dump selector by port index

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Date: Tue, 25 Jul 2023 11:48:03 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jiri Pirko <jiri@...nulli.us>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, moshe@...dia.com, saeedm@...dia.com,
 idosch@...dia.com, petrm@...dia.com
Subject: Re: [patch net-next v2 11/11] devlink: extend health reporter dump
 selector by port index

On Thu, 20 Jul 2023 14:18:29 +0200 Jiri Pirko wrote:
> Introduce a possibility for devlink object to expose attributes it
> supports for selection of dumped objects.
> 
> Use this by health reporter to indicate it supports port index based
> selection of dump objects. Implement this selection mechanism in
> devlink_nl_cmd_health_reporter_get_dump_one()

This patch is not very clean. IMHO implementing the filters by skipping
is not going to scale to reasonably complex filters. Isn't it better to
add a .filter callback which will look at the about-to-be-dumped object
and return true/false on whether it should be dumped?