On 2017-12-09 02:36, John Snow wrote: > > > On 11/30/2017 08:23 AM, Max Reitz wrote: >> On 2017-11-30 04:18, Fam Zheng wrote: >>> On Thu, 11/23 03:08, Max Reitz wrote: >>>> Signed-off-by: Max Reitz <mre...@redhat.com> >>>> --- >>>> tests/qemu-iotests/103 | 2 ++ >>>> 1 file changed, 2 insertions(+) >>>> >>>> diff --git a/tests/qemu-iotests/103 b/tests/qemu-iotests/103 >>>> index ecbd8ebd71..d0cfab8844 100755 >>>> --- a/tests/qemu-iotests/103 >>>> +++ b/tests/qemu-iotests/103 >>>> @@ -40,6 +40,8 @@ trap "_cleanup; exit \$status" 0 1 2 3 15 >>>> _supported_fmt qcow2 >>>> _supported_proto file nfs >>>> _supported_os Linux >>>> +# Internal snapshots are (currently) impossible with refcount_bits=1 >>>> +_unsupported_imgopts 'refcount_bits=1[^0-9]' >>> >>> What is the "[^0-9]" part for? >> >> It's so you can specify refcount_bits=16, but not >> refcount_bits=1,compat=0.10 or just refcount_bits=1. >> >> Max >> > > Worth a comment?
There is a comment above it that says that refcount_bits=1 is the disallowed option. :-) I could add a "(refcount_bits=16 is OK, though)" if that would have been enough for you (or any proposal of yours). Max
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