On 7/11/19 8:29 AM, Max Reitz wrote: > When preallocating an encrypted qcow2 image, it just lets the protocol > driver write data and then does not mark the clusters as zero. > Therefore, reading this image will yield effectively random data. > > As such, we have not fulfilled the promise of always writing zeroes when > preallocating an image in a while. It seems that nobody has really > cared, so change the documentation to conform to qemu's actual behavior. > > Signed-off-by: Max Reitz <mre...@redhat.com> > ---
Reviewed-by: Eric Blake <ebl...@redhat.com> -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
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