netdev - Re: [patch iproute2-next v2] devlink: add reload failed indication

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Date:   Wed, 18 Sep 2019 09:37:38 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     David Ahern <dsahern@...il.com>
Cc:     netdev@...r.kernel.org, stephen@...workplumber.org,
        idosch@...lanox.com, jakub.kicinski@...ronome.com,
        tariqt@...lanox.com, mlxsw@...lanox.com
Subject: Re: [patch iproute2-next v2] devlink: add reload failed indication

Wed, Sep 18, 2019 at 01:46:13AM CEST, dsahern@...il.com wrote:
>On 9/17/19 12:36 PM, Jiri Pirko wrote:
>> Tue, Sep 17, 2019 at 06:46:31PM CEST, dsahern@...il.com wrote:
>>> On 9/16/19 3:44 AM, Jiri Pirko wrote:
>>>> From: Jiri Pirko <jiri@...lanox.com>
>>>>
>>>> Add indication about previous failed devlink reload.
>>>>
>>>> Example outputs:
>>>>
>>>> $ devlink dev
>>>> netdevsim/netdevsim10: reload_failed true
>>>
>>> odd output to user. Why not just "reload failed"?
>> 
>> Well it is common to have "name value". The extra space would seem
>> confusing for the reader..
>> Also it is common to have "_" instead of space for the output in cases
>> like this.
>> 
>
>I am not understanding your point.
>
>"reload failed" is still a name/value pair. It is short and to the point
>as to what it indicates. There is no need for the name in the uapi (ie.,
>the name of the netlink attribute) to be dumped here.

Ah, got it. Well it is a bool value, that means it is "true" or "false".
In json output, it is True of False. App processing json would have to
handle this case in a special way.