Re: [Qemu-devel] [PATCH v2] vpc: Implement bdrv_co_get_block_status()

[Max Reitz]

On 2015-02-12 at 04:46, Kevin Wolf wrote:
> This implements bdrv_co_get_block_status() for VHD images. This can
> significantly speed up qemu-img convert operation because only with this
> function implemented sparseness can be considered. (Before, converting a
> 1 TB empty image took several minutes for me, now it's instantaneous.)
>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>   block/vpc.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++--
>   1 file changed, 48 insertions(+), 2 deletions(-)

Reviewed-by: Max Reitz <address@hidden>