[libvirt] [PATCH 18/19] qemu: backup: Merge bitmaps accross the backing chain
Eric Blake
eblake at redhat.com
Thu Dec 12 20:41:30 UTC 2019
On 12/12/19 11:18 AM, Peter Krempa wrote:
> To allow backups work accross external snapshots we need to improve the
across
> algorithm which calculates which bitmaps to merge.
>
> The algorithm must look for appropriately named bitmaps in the image and
> possibly descend into a backing image if the current image does not have
> the bitmap.
>
> Signed-off-by: Peter Krempa <pkrempa at redhat.com>
> ---
> src/qemu/qemu_backup.c | 62 ++++++++++++++++++++++++++++++++++++------
> 1 file changed, 54 insertions(+), 8 deletions(-)
Reviewed-by: Eric Blake <eblake at redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
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