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Date:   Sun, 10 Feb 2019 12:42:22 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Aya Levin <ayal@...lanox.com>
Cc:     David Ahern <dsahern@...il.com>, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>,
        Moshe Shemesh <moshe@...lanox.com>,
        Eran Ben Elisha <eranbe@...lanox.com>,
        Tal Alon <talal@...lanox.com>,
        Ariel Almog <ariela@...lanox.com>
Subject: Re: [PATCH for-next 4/4] devlink: add health command support

On Sun, 10 Feb 2019 20:28:49 +0200
Aya Levin <ayal@...lanox.com> wrote:

> +
> +static void cmd_health_help(void)
> +{
> +	pr_err("Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n");
> +	pr_err("Usage: devlink health recover DEV reporter REPORTER_NAME\n");
> +	pr_err("Usage: devlink health diagnose DEV reporter REPORTER_NAME\n");
> +	pr_err("Usage: devlink health dump show DEV reporter REPORTER_NAME\n");
> +	pr_err("Usage: devlink health dump clear DEV reporter REPORTER_NAME\n");
> +	pr_err("Usage: devlink health set DEV reporter REPORTER_NAME NAME VALUE\n");
> +}
> +

Minor nit:
I prefer that all code and outputs in iproute2 look the same for ease
of maintenance and constituency of user experience.

Why does devlink not use:

static void cmd_health_help(void)
{
	fprintf(stderr, "Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n");
	fprintf(stderr, "       devlink health recover DEV reporter REPORTER_NAME\n");
	fprintf(stderr, "       devlink health diagnose DEV reporter REPORTER_NAME\n");

...

Or 
	fprintf(stderr, "Usage: devlink health show [ dev DEV reporter REPORTER_NAME ]\n"
			"       devlink health recover DEV reporter REPORTER_NAME\n"	
			"       devlink health diagnose DEV reporter REPORTER_NAME\n");

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