On 26.03.20 02:12, Maxim Levitsky wrote:
> The recent patches from Max Reitz allowed some block drivers to not
> provide the .bdrv_co_create_opts and still allow qemu-img to
> create/format images as long as the image is already existing
> (that is the case with various block storage drivers like nbd/iscsi/nvme, etc)
> 
> However it was found out that some places in the code depend on the
> .bdrv_co_create_opts/.create_opts to be != NULL to decide if to allow
> image creation.
> 
> To avoid adding failback code to all these places, just make generic failback
> code be used by the drivers that need it, so that for outside user, there
> is no diffirence if failback was used or not.
> 
> Best regards,
> 	Maxim Levitsky
> 
> Maxim Levitsky (2):
>   block: pass BlockDriver reference to the .bdrv_co_create
>   block: trickle down the fallback image creation function use to the
>     block drivers

Thanks, fixed the function parameter alignment, moved the declarations
from block.h into block_int.h, and applied the series to my block branch:

https://git.xanclic.moe/XanClic/qemu/commits/branch/block

Max