Re: [PATCH] [Request for inclusion] Filesystem in Userspace

Greg KH
2004-11-16T19:20:45Z

On Tue, Nov 16, 2004 at 08:09:10PM +0100, Miklos Szeredi wrote:
>
> > > So if I only need a single device number should I register a "misc"
> > > device? misc_register() seems to create the relevant sysfs entry.
> >
> > Yes, that is a good way to get a device, without having to reserve a
> > number.
>
> No, I think reserving a number is still necessary: there seems to be
> only a very small space for dynamically registered misc devices (max
> 15), so that's not any better than reserving a static one.

So reserve a minor number of the misc class. Ask LANNANA for a number
and you should be fine.

> So what I'm interested in, is if I get a reserved minor number for the
> misc (major=10) device, will I be kicked in the butt (by Linus or
> anybody else) like for the /proc approach?

Depends on what your /dev node is trying to do. What is is doing
anyway? Any ioctls? Any wierd, non-chardev like things?

Again, inline code would have been nice to see so those of us who live
in our email clients could have reviewed it...

thanks,

greg k-h