On Thu, Feb 11, 2021 at 16:37:58 +0100, Peter Krempa wrote:
> For incremental backup we need QEMU_CAPS_BLOCKDEV,
> QEMU_CAPS_BLOCKDEV_REOPEN, QEMU_CAPS_MIGRATION_PARAM_BLOCK_BITMAP_MAPPING.
>
> Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
> ---
> src/qemu/qemu_capabilities.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 38555dde98..7cc2532954 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -5164,8 +5164,10 @@ virQEMUCapsInitQMPVersionCaps(virQEMUCapsPtr qemuCaps)
> void
> virQEMUCapsInitProcessCapsInterlock(virQEMUCapsPtr qemuCaps)
> {
> - if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV))
> - virQEMUCapsClear(qemuCaps, QEMU_CAPS_INCREMENTAL_BACKUP);
> + if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV) &&
> + virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKDEV_REOPEN) &&
> + virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATION_PARAM_BLOCK_BITMAP_MAPPING))
> + virQEMUCapsSet(qemuCaps, QEMU_CAPS_INCREMENTAL_BACKUP);
>
> if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_STORAGE) &&
> !virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_STORAGE_WERROR)) {
Reviewed-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
