[PATCH 1/3] qemu: capabilities: Disable detection of QEMU_CAPS_BLOCK_EXPORT_ADD

[Eric Blake]

On 10/26/20 8:19 AM, Peter Krempa wrote:
> We use the capability to switch to using 'block-export-add' in the
> upcoming qemu release instead of the at the same time deprecated
> 'nbd-server-add'.
> 
> Unfortunately qemu wants to change the interface of 'block-export-add'
> before the release. Since we've tried to stay up to date and added the
> code before it was written in stone, we need to disable the use of the
> new interface for the upcoming libvirt release so that we don't have a
> version of libvirt which would not work with the upcoming qemu version.
> 
> Remove the detection of 'block-export-add' until we are more sure how
> the qemu interface will look.
> 
> This patch partially reverts commit adb9f7123adb94645
> 
> Signed-off-by: Peter Krempa <pkrempa at redhat.com>
> ---
>  src/qemu/qemu_capabilities.c                     | 1 -
>  tests/qemucapabilitiesdata/caps_5.2.0.x86_64.xml | 1 -
>  2 files changed, 2 deletions(-)

Reviewed-by: Eric Blake <eblake at redhat.com>

Safe for libvirt now no matter what happens in qemu's soft freeze this week.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org