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[Qemu-devel] [PATCH 0/3] qcow2-bitmaps: rewrite reopening logic
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH 0/3] qcow2-bitmaps: rewrite reopening logic |
Date: |
Thu, 23 May 2019 18:47:30 +0300 |
Hi all!
Bitmaps reopening is buggy, we may easily produce broken incremental
backup if we do temporary snaphost. Let's fix it! The main patch is 03
and it has full description of the problem and solution.
Vladimir Sementsov-Ogievskiy (3):
iotests: add test 255 to check bitmap life after snapshot + commit
block/qcow2-bitmap: get rid of bdrv_has_changed_persistent_bitmaps
block/qcow2-bitmap: rewrite bitmap reopening logic
block/qcow2.h | 5 +-
include/block/block_int.h | 2 +-
include/block/dirty-bitmap.h | 1 -
block.c | 29 ++---
block/dirty-bitmap.c | 12 --
block/qcow2-bitmap.c | 220 ++++++++++++++++++++++++-----------
block/qcow2.c | 2 +-
python/qemu/__init__.py | 4 +-
tests/qemu-iotests/255 | 83 +++++++++++++
tests/qemu-iotests/255.out | 52 +++++++++
tests/qemu-iotests/group | 1 +
11 files changed, 308 insertions(+), 103 deletions(-)
create mode 100755 tests/qemu-iotests/255
create mode 100644 tests/qemu-iotests/255.out
--
2.18.0
- [Qemu-devel] [PATCH 0/3] qcow2-bitmaps: rewrite reopening logic,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, Vladimir Sementsov-Ogievskiy, 2019/05/23
- Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, John Snow, 2019/05/28
- Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, Vladimir Sementsov-Ogievskiy, 2019/05/29
- Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, John Snow, 2019/05/29
- Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, Vladimir Sementsov-Ogievskiy, 2019/05/30
- Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, Vladimir Sementsov-Ogievskiy, 2019/05/30
- Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, John Snow, 2019/05/30
- Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, Vladimir Sementsov-Ogievskiy, 2019/05/30
Re: [Qemu-devel] [PATCH 3/3] block/qcow2-bitmap: rewrite bitmap reopening logic, Max Reitz, 2019/05/29