On Thu, Jun 14, 2012 at 12:06 PM, Kevin Wolf <kw...@redhat.com> wrote: > Am 14.06.2012 12:42, schrieb Stefan Hajnoczi: >> The autoclear feature bits can be used for qcow2 file format features >> that are safe to "drop" by old programs that do not understand the >> feature. Upon opening the image file unknown autoclear feature bits are >> cleared and the image file header is rewritten, but this was happening >> too early in the code when critical header fields were not yet loaded. >> >> Process autoclear feature bits after all necessary header information >> has been loaded. >> >> Signed-off-by: Stefan Hajnoczi <stefa...@linux.vnet.ibm.com> > > Ouch... > > You don't have a qemu-iotests case to offer for the feature bit > handling, by any chance?
Nope. I'll cook one up, should be easy with your qcow2.py module. Stefan
