[dm-devel] [RFC] Message ioctl direct to device

Daniel Phillips phillips at redhat.com
Fri Jul 9 19:40:46 UTC 2004

On Friday 09 July 2004 15:29, christophe varoqui wrote:
> > That ioctl interface is just plain horrible, it should really stay
> > out of view inside libdevmapper in case somebody notices.  And we
> > do not want to make libdevmapper a dependency just to ioctl the
> > virtual device.  Going through libdevmapper makes plenty of sense
> > for things like suspend/resume where there is a lot of
> > deadlock-prevention logic that has to be followed rigorously, but
> > no sense whatsoever for what I use this interface, and what I
> > expect other people might use it for. Of course, you are one of
> > those "other people", I think, with multipath, so it would help if
> > you tell me what you have in mind there.
> Do you volunteer to resurrect the dmfs pseudo-fs ? :)

No, something cleaner, simpler and message based.  It's not the 
immediate issue though.



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