[PATCH] add IGNORE rule type

[PATCH] add IGNORE rule type

On Wed, Dec 31, 2003 at 11:24:53AM -0800, Greg KH wrote:

> > There should be a possibility to tell udev not to create a device node.
> >
> > device-mapper: Usually set up by libdevmapper (or EVMS tools) which
> > creates the device node on its own under /dev/mapper/<name>.
> >
> > With udev a second device is created named /dev/dm-<minor> which is not
> > really needed.
>
> Good point.  Ok, I'll agree with you.  Care to make up a patch for this
> kind of feature?

Yes, I can try.

There was no way to tell not to do anything so I created one. Errors
are signalled via negative return values, so I thought that a positive,
non-zero one could mean to ignore the device. I don't like it but
perhaps you have a better solution.