[PATCH 19/32] qemu: checkpoint: Don't merge checkpoints during deletion
eblake at redhat.com
Thu Jun 18 16:30:03 UTC 2020
On 6/15/20 12:10 PM, Peter Krempa wrote:
> Now that we've switched to the simple handling, the first thing that can
> be massively simplified is checkpoint deletion. We now need to only go
> through the backing chain and find the appropriately named bitmaps and
> delete them, no complex lookups or merging.
> Note that compared to other functions this deletes the bitmap in all
> layers compared to others where we expect only exactly 1 bitmap of a
> name in the backing chain to prevent potential problems.
> Signed-off-by: Peter Krempa <pkrempa at redhat.com>
> src/qemu/qemu_checkpoint.c | 153 ++++++-------------------------------
> src/qemu/qemu_checkpoint.h | 1 -
> tests/qemublocktest.c | 7 +-
> 3 files changed, 25 insertions(+), 136 deletions(-)
No kidding about the simplification.
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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