On Mon, Feb 06, 2017 at 07:25:23PM +0100, Tomáš Golembiovský wrote:
> No we don't. Something like this also works:
>
> qemu-img info 'json:{ "offset": 0, "file": { "filename": "/dev/null" } }'
/dev/null has a long history of breaking qemu (although it does work
at the moment), eg:
https://bugzilla.redhat.com/show_bug.cgi?id=847549
Libguestfs has a workaround for this in fact:
https://github.com/libguestfs/libguestfs/blob/master/lib/drives.c#L395
Rich.
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