Am 13.01.2016 um 09:37 hat Fam Zheng geschrieben:
> Two empty raw files are always compared by actually reading data even if
> there is no data, because BDRV_BLOCK_ZERO is considered "allocated" in
> bdrv_is_allocated_above(). That is inefficient.
>
> Use bdrv_get_block_status_above() for more
Two empty raw files are always compared by actually reading data even if
there is no data, because BDRV_BLOCK_ZERO is considered "allocated" in
bdrv_is_allocated_above(). That is inefficient.
Use bdrv_get_block_status_above() for more information, and skip the
consecutive zero sectors.
This
On 13/01/2016 09:37, Fam Zheng wrote:
> Two empty raw files are always compared by actually reading data even if
> there is no data, because BDRV_BLOCK_ZERO is considered "allocated" in
> bdrv_is_allocated_above(). That is inefficient.
>
> Use bdrv_get_block_status_above() for more
