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SubjectRe: [PATCH] Modify loop device to be able to manage partitions of the disk image
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Le vendredi 07 mars 2008 à 12:56 +0100, Bodo Eggert a écrit :
> Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> > On Thursday 06 March 2008 21:16, Laurent Vivier wrote:
> >> Le jeudi 06 mars 2008 à 20:57 +1100, Nick Piggin a écrit :
>
> >> > Do you think we do something similar for drivers/block/brd.c too? I'd
> >> > like to try to maintain parity between them where possible...
> >>
> >> I think it is possible (I've the same patch for NBD too), but I think
> >> it is completely useless.
> >
> > It's useful for testing, and for minimising the divergence in the
> > code.
>
> Maybe there should be a common mechanism to use partitions on any block
> device. Maybe there is - I have dark memories about the device mapper

The mechanism exists: the driver must call alloc_disk() with a value !=
1. This is what is modifying this patch.

> being able to parse partition tables, and plans on moving partition
> support to userspace.

This is kpartx.

Laurent
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will enjoy what they do and will do it better." D. Knuth
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