netdev - Re: [RFC net-next 06/15] devlink: use an explicit structure for dump context

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Message-ID: <Y5ruZei/Pd9rb/pi@nanopsycho>
Date:   Thu, 15 Dec 2022 10:52:37 +0100
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
        pabeni@...hat.com, jacob.e.keller@...el.com, leon@...nel.org
Subject: Re: [RFC net-next 06/15] devlink: use an explicit structure for dump
 context

Thu, Dec 15, 2022 at 03:01:46AM CET, kuba@...nel.org wrote:
>Create a dump context structure instead of using cb->args
>as an unsigned long array. This is a pure conversion which
>is intended to be as much of a noop as possible.
>Subsequent changes will use this to simplify the code.
>
>The two non-trivial parts are:
> - devlink_nl_cmd_health_reporter_dump_get_dumpit() checks args[0]
>   to see if devlink_fmsg_dumpit() has already been called (whether
>   this is the first msg), but doesn't use the exact value, so we
>   can drop the local variable there already
> - devlink_nl_cmd_region_read_dumpit() uses args[0] for address
>   but we'll use args[1] now, shouldn't matter
>
>Signed-off-by: Jakub Kicinski <kuba@...nel.org>

Neat.