Re: [uml-devel] Partitioning scheme for ubd's

[Matt Zimmerman <mdz@debian.org>]

On Tue, Nov 04, 2003 at 07:21:09PM +0100, BlaisorBlade wrote:

> Alle 23:46, sabato 1 novembre 2003, Matt Zimmerman ha scritto:
> > On Sat, Nov 01, 2003 at 11:59:11AM +0100, BlaisorBlade wrote:
> > > But there is a problem here:
> > > 1) device names are not consistent: if you want to use ubd[a-z], decide
> > > so and start the change(for 2.6 there's a lot more changes anyway, so it
> > > is a good occasion...)
> >
> > Are you talking about /proc/partitions or something else?
> 
> No, about the command line and the device file names.

The command line, I think, accepts both for backward compatibility.  The
device file names, of course, are a userland concern.  Current versions of
makedev, at least in Debian, use the new scheme.

> > > The other possible solution(which would be
> > > cleaner) would be to teach, if possible, to the host kernel Device
> > > Manager to read a file as a bunch of partition with its table(I've heard
> > > of DM about COW files these days), and then to mount the partitions, but
> > > I don't know if it's possible.
> 
> Would instead this one(or another way to do this) be interesting? So that the
> kernel could guess by itself the offsets of partitions, rather than requiring
> the user do more passages(i.e. use fdisk to read partition table) to handle
> this.

I suppose the solution to this would be partition support on loop devices.
Is this any easier in 2.6?

-- 
 - mdz


-------------------------------------------------------
This SF.net email is sponsored by: SF.net Giveback Program.
Does SourceForge.net help you be more productive?  Does it
help you create better code?   SHARE THE LOVE, and help us help
YOU!  Click Here: http://sourceforge.net/donate/
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel