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

[Bart Van Assche]

On Fri, Mar 7, 2008 at 12:56 PM, Bodo Eggert <7eggert@xxxxxx> wrote:
> Nick Piggin <nickpiggin@xxxxxxxxxxxx> 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
>  being able to parse partition tables, and plans on moving partition
>  support to userspace.

It's easy to add partition support to the loopback device. A patch
that realizes this was already published in 2004. See also
http://lwn.net/Articles/110426/.

Bart Van Assche.
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