Re: [PATCH] floppy: Neaten message logging

[Joe Perches <joe@perches.com>]

On Wed, 2014-06-18 at 23:59 +0200, Jiri Kosina wrote:
> On Wed, 18 Jun 2014, Joe Perches wrote:
> 
> > Use a more current style to prefix "floppy: " on
> > all messages.
> > 
> > Convert DPRINT to emit at KERN_DEBUG.
> > 
> > Other miscellaneous logging changes:
> > 
> > o Add missing newline
> > o Remove embedded "floppy" style prefixes
> 
> Why is this a good change?
> 
> [ ... ]
> >  	if (!req) {
> > -		pr_info("floppy.c: no request in request_done\n");
> > +		pr_info("no request in request_done\n");
> 
> I think that in cases like this (and elsewhere where you are changing it 
> in your patch) the prefix is actually useful.

Adding

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

makes sure that all printks from this module
are prefixed with "floppy: ".

Currently, only a very few actually are prefixed
with anything and there are some prefix mixtures of
"floppy: " and "floppy.c: "