On Fri, May 11, 2018 at 08:08:18PM +0800, Fam Zheng wrote:
> With copy_file_range(2), we can implement the bdrv_co_copy_range
> semantics.
> 
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  block/file-posix.c      | 96 +++++++++++++++++++++++++++++++++++++++++++++++--
>  include/block/raw-aio.h | 10 ++++--
>  2 files changed, 101 insertions(+), 5 deletions(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>