Re: [RFC PATCH] debugfs - yet another in-kernel file system

From: Greg KH
Date: Fri Dec 10 2004 - 11:14:19 EST

On Fri, Dec 10, 2004 at 09:00:22AM +0100, Jan Engelhardt wrote:
> >> I have to admit that adding another filesystem that is very like procfs or
> >> sysfs make some kind of redundancy.
> >
> >Why? The main issue is the discussion usually goes like this:
> >
> >Me: Hey, the /proc/driver/foo/foo_value really shouldn't be in proc.
> >Developer: Ok, but it has a lot of really good debug stuff in it. Can
> >I put it in sysfs?
> >Me: No, sysfs is for one-value-per-file whenever possible. It needs to
> >go somewhere else.
> >Developer: Well, if you don't have anywhere else to put it, why are you
> >even bringing this up at all. Go away and leave me alone.
> So how about adding seqfiles (or multi-value-per-file things) to sysfs?

No, that is not going to happen, as it is directly opposite to how sysfs
is supposed to work (one _single_ value per file).


greg k-h
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