On 05/17/2016 10:51 AM, Kevin Wolf wrote:
> From: "Denis V. Lunev"
>
> We should check for (res & BDRV_BLOCK_ZERO) only. The situation when we
> will have !(res & BDRV_BLOCK_DATA) and will not have BDRV_BLOCK_ZERO is
> not possible for images with bdi.unallocated_blocks_are_zero == true.
>
> For
From: "Denis V. Lunev"
We should check for (res & BDRV_BLOCK_ZERO) only. The situation when we
will have !(res & BDRV_BLOCK_DATA) and will not have BDRV_BLOCK_ZERO is
not possible for images with bdi.unallocated_blocks_are_zero == true.
For those images where it's false, however, it can happen a
