Re: [uml-devel] Re: Writing on DM snapshots, and having no "mainstream" device (was: Re: Fw: [PATCH 1/7] Add dm-snapshot tutorial in Documentation)

[Alasdair G Kergon]

On Mon, Sep 26, 2005 at 05:03:01PM +0200, Blaisorblade wrote:
> You also "fixed" my assertion that snapshot-origin "base device" (parameter 
> n.1) must be a DM device. Should I readd it too?
 
That parameter does not need to be a DM device if you are able to use
the start of an existing block device (so you don't require any mappings).

> IIRC I checked the code and it looks up the first param as a DM device, 

It should only use the device number for reference, not any dm structure.

Try it.

Alasdair
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