[libvirt] [Qemu-devel] live snapshot wiki updated

[Avi Kivity]

On 07/20/2011 04:51 PM, Kevin Wolf wrote:
> >
> >  The problem is that QEMU will find backing file file names inside the
> >  images which it will be unable to open. How do you suggest we get around
> >  that?
>
> This is the part with allowing libvirt to override the backing file. Of
> course, this is not something that we can add with five lines of code,
> it requires -blockdev.

It can be done without blockdev.  Have a dictionary that translates 
filenames, and populate it from the command line (for a bonus, translate 
a filename to a file descriptor inherited from the caller or passed via 
the monitor).

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.