Am 17.03.2016 um 18:51 hat Daniel P. Berrange geschrieben: > When opening an image it is useful to know whether the caller > intends to perform I/O on the image or not. In the case of > encrypted images this will allow the block driver to avoid > having to prompt for decryption keys when we merely want to > query header metadata about the image. eg qemu-img info > > This flag is enforced at the top level only, since even if > we don't want todo I/O on the 'qcow2' file payload, the > underlying 'file' driver will still need todo I/O to read > the qcow2 header, for example. > > Reviewed-by: Eric Blake <ebl...@redhat.com> > Signed-off-by: Daniel P. Berrange <berra...@redhat.com>
Looks good to me, but it needs a rebase because it conflicts with the latest changes to qemu-img. Kevin
