On 12/22/2015 09:46 AM, Kevin Wolf wrote: > Version 2 images don't have feature bits, so writing a feature table to > those images is kind of pointless.
Fortunately, it is also harmless; even the v2 spec allowed for unknown extension headers. > > Signed-off-by: Kevin Wolf <kw...@redhat.com> > --- > block/qcow2.c | 48 > ++++++++++++++++++++++++---------------------- > tests/qemu-iotests/031.out | 12 +----------- > tests/qemu-iotests/061.out | 15 --------------- > 3 files changed, 26 insertions(+), 49 deletions(-) > Reviewed-by: Eric Blake <ebl...@redhat.com> Did you test that amend'ing an image from v2 to v3 adds the table, and downgrading from v3 to v2 drops the table? -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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