Re: [PATCH] Modify loop device to be able to manage partitions of the disk image

[Laurent Vivier <Laurent.Vivier@bull.net>]

Le jeudi 06 mars 2008 à 07:35 -0500, Christoph Hellwig a écrit :
> On Thu, Mar 06, 2008 at 10:43:32AM +0100, Laurent Vivier wrote:
> > This patch allows to use loop device with partitionned disk image.
> > 
> > Original behavior of loop is not modified.
> > 
> > A new parameter is introduced to define how many partition we want to be
> > able to manage per loop device. This parameter is "max_part".
> 
> I've done something else before as have done others, but at that time
> we didn't want it in because it breaks the device number encoding.
> 
> Nowdays where a lot of systems use udev it probably makes sense to put
> it in.  The default is to not show any partitions which is safe.  Did
> you test if udev is smart enough to find out loop has partitions when
> loaded with the paramater?  If yes this can go in with a little

Well, my system is a Debian Etch, and all loop devices and loop
partitions are created automatically, so I imagine udev is working fine
with that...

> documentation added, if not please also work with the udev folks to
> find a way to automatically detect that loop can sometimes support
> partitions.

Laurent
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