On Fri, May 26, 2017 at 06:55:06PM +0200, Max Reitz wrote:
> Add a --preallocation command line option to qemu-img resize which can
> be used to set the PreallocMode parameter of blk_truncate().
> 
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
>  qemu-img.c    | 33 ++++++++++++++++++++++++++++++---
>  qemu-img.texi |  7 ++++++-
>  2 files changed, 36 insertions(+), 4 deletions(-)

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