Re: plain 2.6.21-rc5 (1) vs amanda (0)

[Dave Dillow <dave@thedillows.org>]

On Wed, 2007-04-04 at 13:29 -0700, Andrew Morton wrote:
> On Wed, 04 Apr 2007 14:17:13 -0400
> Dave Dillow <dave@thedillows.org> wrote: 
> > The thing is, it's been broken for a long time -- this change just
> > highlighted it. This isn't the first time that device-mapper has moved
> > -- the introduction of mdp (before git, so haven't tracked down
> > timeframe) also moved it around. The dynamic major is not stable, so
> > should we be concerned if it moves for 2.6.21?
> > 
> > I don't like the effect it has on the backups, but I don't think we
> > should hand out LOCAL/EXP majors to dynamic devices, either. There is a
> > module option to make the device-mapper and mdp majors stable, so
> > perhaps a compromise is possible? Revert for 2.6.21, and schedule the
> > patch for later addition, which gives distros time to use the DM major
> > option?
> 
> hm, good points.
> 
> Overall, the patch helps kernel developers and hurts the userbase.  I tend
> to prefer to hurt kernel developers than our users ;)
> 
> I don't think the protect-lanana-numbers thing is very important, really. 
> If some kernel developer or someone who is maintaining an unofficial
> out-of-tree driver hits the problem, they are presumably able to handle
> it.  Preferably by switching to a dynamically-assigned major.

Works for me; I don't really have a dog in the fight.