Re: [Qemu-devel] [PATCH] Warn if a qcow (not qcow2) file is opened

[Anthony Liguori]

Paul Brook wrote:
> IMHO there's little value in just printing a warning. Until it actually goes 
> away, people are liable to assume we're just being paranoid/awkward and keep 
> using it anyway.
>
> I suggest crippling it now and, assuming noone steps up to fix+maintain it, 
> ripping out the write support altogether at next release.
> I'm assuming the readonly code is in better shape, and can be supported with 
> relatively little effort.
>   

Yes, that's what I was getting at.  We need to support read-only in 
order to allow people to convert to qcow2.

If we're sufficiently concerned that there is data corruption in the 
write path, we should disable it to keep a user from shooting themselves 
in the foot.

Regards,

Anthony Liguori

> Paul
>