On 7/24/23 16:11, Andrey Drobyshev wrote: > On 6/30/23 13:54, Denis V. Lunev wrote: >> On 6/1/23 21:28, Andrey Drobyshev wrote: >>> This series is adding [-c | --compress] option to "qemu-img rebase" >>> command, which might prove useful for saving some disk space when, for >>> instance, manipulating chains of backup images. Along the way I had to >>> make a couple of minor improvements. >>> >>> The first 2 patches are a bug fix + corresponding test case. >>> Patch 3 merely fixes wrong args used in allocation. >>> Patch 4 makes write requests during rebase operation >>> cluster_size-aligned, >>> which seems to be beneficial for both non-compressed and compressed mode. >>> The last 2 patches are the actual feature implementation + tests. >>> >>> Andrey Drobyshev (6): >>> qemu-img: rebase: stop when reaching EOF of old backing file >>> qemu-iotests: 024: add rebasing test case for overlay_size > >>> backing_size >>> qemu-img: rebase: use backing files' BlockBackend for buffer alignment >>> qemu-img: rebase: avoid unnecessary COW operations >>> qemu-img: add compression option to rebase subcommand >>> iotests: add test 314 for "qemu-img rebase" with compression >>> >>> docs/tools/qemu-img.rst | 6 +- >>> qemu-img-cmds.hx | 4 +- >>> qemu-img.c | 106 ++++++++++++++++++------ >>> tests/qemu-iotests/024 | 57 +++++++++++++ >>> tests/qemu-iotests/024.out | 30 +++++++ >>> tests/qemu-iotests/314 | 165 +++++++++++++++++++++++++++++++++++++ >>> tests/qemu-iotests/314.out | 75 +++++++++++++++++ >>> 7 files changed, 415 insertions(+), 28 deletions(-) >>> create mode 100755 tests/qemu-iotests/314 >>> create mode 100644 tests/qemu-iotests/314.out >>> >> ping > > Friendly ping after 7 weeks
Yet another ping