Re: [Qemu-devel] [PATCHv7] add qemu-img convert -n option (skip target volume creation)

[Stefan Hajnoczi <stefanha@redhat.com>]

On Mon, Sep 02, 2013 at 07:07:24PM +0100, Alex Bligh wrote:
> From: Alexandre Derumier <aderumier@odiso.com>
> 
> Add a -n option to skip volume creation on qemu-img convert.
> This is useful for targets such as rbd / ceph, where the
> target volume may already exist; we cannot always rely on
> qemu-img convert to create the image, as dependent on the
> output format, there may be parameters which are not possible
> to specify through the qemu-img convert command line.
> 
> Reviewed-by: Eric Blake <eblake@redhat.com>
> Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
> Signed-off-by: Alex Bligh <alex@alex.org.uk>
> ---
> 
> Changes since v6:
> * Check for outut file too short using bdrv_getlength (Stefan H)
> * Remove spurious comment re compression from test (Stefan H)
> * Remove unused variables from test (Stefan H)
> 
> Changes since v5:
> * Change order of case statement for -n to be after -q
> * Add my own copyright string (per Eric Blake)
> 
>  qemu-img-cmds.hx           |    4 +-
>  qemu-img.c                 |   53 +++++++++++++++++-------
>  qemu-img.texi              |   15 ++++++-
>  tests/qemu-iotests/060     |   97 ++++++++++++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/060.out |   10 +++++
>  tests/qemu-iotests/group   |    1 +
>  6 files changed, 162 insertions(+), 18 deletions(-)

Due to the collision with Max's 060 I changed your test case number to
063.

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan