On Mon, Jun 25, 2018 at 8:30 PM Nir Soffer <[email protected]> wrote: > http was missing in emulate_zero, so the code would fail with NameError. > This can happen only when communicating with old imageio versions not > supporting the "zero" feature. > > Testing with qemu-img 2.12 show that we never send emulated zero request > because of the highestwrite mechanism, but it can break with older > qemu-img-rhev used on RHEL. > --- > v2v/rhv-upload-plugin.py | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/v2v/rhv-upload-plugin.py b/v2v/rhv-upload-plugin.py > index 2eec375f7..0f6b31e67 100644 > --- a/v2v/rhv-upload-plugin.py > +++ b/v2v/rhv-upload-plugin.py > @@ -338,6 +338,8 @@ def zero(h, count, offset, may_trim): > r.read() > > def emulate_zero(h, count, offset): > + http = h['http'] >
After some more cleanup, I found that we are missing also "transfer" here. I'll send a fixed patch. > + > # qemu-img convert starts by trying to zero/trim the whole device. > # Since we've just created a new disk it's safe to ignore these > # requests as long as they are smaller than the highest write seen. > -- > 2.17.1 > >
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