[PATCH 07/19] qemu: checkpoint: Track and relabel images for bitmap merging

Ján Tomko jtomko at redhat.com
Mon Feb 3 12:28:41 UTC 2020


On Fri, Jan 31, 2020 at 03:31:11PM +0100, Peter Krempa wrote:
>Allow qemu access to modify backing files in case when we want to delete
>a checkpoint.
>
>This patch adds tracking of which images need to be relabelled when
>calculating the transaction, the code to relabel them and rollback.
>
>To verify that stuff works we also output the list of images to relabel
>into the test case output files in qemublocktest.
>
>Signed-off-by: Peter Krempa <pkrempa at redhat.com>
>---
> src/qemu/qemu_checkpoint.c                    | 35 ++++++++++++++++---
> src/qemu/qemu_checkpoint.h                    |  3 +-
> tests/qemublocktest.c                         | 19 ++++++++--
> .../snapshots-intermediate1-out.json          |  2 ++
> .../snapshots-intermediate2-out.json          |  3 ++
> .../snapshots-intermediate3-out.json          |  2 ++
> .../snapshots-noparent-out.json               |  4 +++
> ...ynthetic-checkpoint-intermediate1-out.json |  2 ++
> ...ynthetic-checkpoint-intermediate2-out.json |  2 ++
> ...ynthetic-checkpoint-intermediate3-out.json |  2 ++
> ...ots-synthetic-checkpoint-noparent-out.json |  4 +++
> 11 files changed, 70 insertions(+), 8 deletions(-)
>

Reviewed-by: Ján Tomko <jtomko at redhat.com>

Jano
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