Re: [Qemu-devel] [PATCH] Make default invocation of block drivers safer

[Christoph Hellwig]

Err, strong NACK.  Please don't start messing with the contents of the
data plane, we're getting into real trouble there.  It's perfectly
valid for a guest to create an image inside an image, and with hardware
support for nested virtualization I guess this use case will become
rather common, just as it already is on S/390 with VM.