RE: [PATCH RESEND iproute2-next] devlink: Add optional controller user input

[Parav Pandit <parav@nvidia.com>]

Hi David,

> From: David Ahern <dsahern@gmail.com>
> Sent: Monday, June 7, 2021 8:31 AM
> 
> On 6/3/21 5:19 AM, Parav Pandit wrote:
> > @@ -3795,7 +3806,7 @@ static void cmd_port_help(void)
> >  	pr_err("       devlink port param set DEV/PORT_INDEX name
> PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n");
> >  	pr_err("       devlink port param show [DEV/PORT_INDEX name
> PARAMETER]\n");
> >  	pr_err("       devlink port health show [ DEV/PORT_INDEX reporter
> REPORTER_NAME ]\n");
> > -	pr_err("       devlink port add DEV/PORT_INDEX flavour FLAVOUR
> pfnum PFNUM [ sfnum SFNUM ]\n");
> > +	pr_err("       devlink port add DEV/PORT_INDEX flavour FLAVOUR
> pfnum PFNUM [ sfnum SFNUM ] [ controller CNUM ]\n");
> >  	pr_err("       devlink port del DEV/PORT_INDEX\n");
> >  }
> >
> > @@ -4324,7 +4335,7 @@ static int __cmd_health_show(struct dl *dl, bool
> > show_device, bool show_port);
> >
> >  static void cmd_port_add_help(void)
> >  {
> > -	pr_err("       devlink port add { DEV | DEV/PORT_INDEX } flavour
> FLAVOUR pfnum PFNUM [ sfnum SFNUM ]\n");
> > +	pr_err("       devlink port add { DEV | DEV/PORT_INDEX } flavour
> FLAVOUR pfnum PFNUM [ sfnum SFNUM ] [ controller CNUM ]\n");
> 
> This line and the one above need to be wrapped. This addition puts it well
> into the 90s.
> 
It’s a print message.
I was following coding style of [1] that says "However, never break user-visible strings such as printk messages because that breaks the ability to grep for them.".
Recent code of dcb_ets.c has similar long string in print. So I didn't wrap it.
Should we warp it?

[1] https://www.kernel.org/doc/html/latest/process/coding-style.html#breaking-long-lines-and-strings