Re: LANANA: To Pending Device Number Registrants

[Neil Brown]

On Monday May 14, [e-mail] wrote:
> Neil Brown wrote:
> > So I need a major number - to give to devfs_register_blkdev at least.
> > You don't want me to have a hardcoded one (which is fine) so I need a
> > dynamically allocated one - yes?
> > 
> > This means that we need some analogue to {get,put}_unnamed_dev that
> > manages a range of dynamically allocated majors.
> > Is there such a beast already, or does someone need to write it?
> > What range(s) should be used for block devices?
> 
> register_blkdev will assign a dynamic major to your block device, if a
> static one is not provided.  This has been true since 2.2, maybe 2.0
> IIRC.

Oh, yes.  So it does.  Give it '0' and it will choose one.  I went
looking for this functionality once and just couldn't find it.... must
be blind :-)

Thanks,
NeilBrown