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[Qemu-devel] [PATCH v2 0/9] qcow2-bitmaps: rewrite reopening logic
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH v2 0/9] qcow2-bitmaps: rewrite reopening logic |
Date: |
Fri, 31 May 2019 19:31:53 +0300 |
Hi all!
Bitmaps reopening is buggy, we may easily produce broken incremental
backup if we do temporary snapshot. Let's fix it!
v2:
01: new
02-03: test: splat into two patches, some wording
improvements and event_wait improved
04: add John's r-b
05: new
06-09: fixes: changed, splat, use patch 01
Vladimir Sementsov-Ogievskiy (9):
block: add .bdrv_need_rw_file_child_during_reopen_rw handler
python/qemu: improve event_wait method of vm
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: drop qcow2_reopen_bitmaps_rw_hint()
block/qcow2-bitmap: do not remove bitmaps on reopen-ro
block/qcow2-bitmap: fix and improve qcow2_reopen_bitmaps_rw
block/qcow2-bitmap: fix reopening bitmaps to RW
qcow2-bitmap: move bitmap reopen-rw code to qcow2_reopen_prepare
block/qcow2.h | 6 +-
include/block/block_int.h | 8 +-
include/block/dirty-bitmap.h | 1 -
block.c | 163 +++++++++++++++++++++++++++-------
block/dirty-bitmap.c | 12 ---
block/qcow2-bitmap.c | 146 ++++++++++++++++++------------
block/qcow2.c | 9 +-
python/qemu/__init__.py | 9 +-
tests/qemu-iotests/255 | 86 ++++++++++++++++++
tests/qemu-iotests/255.out | 52 +++++++++++
tests/qemu-iotests/group | 1 +
tests/qemu-iotests/iotests.py | 5 ++
12 files changed, 381 insertions(+), 117 deletions(-)
create mode 100755 tests/qemu-iotests/255
create mode 100644 tests/qemu-iotests/255.out
--
2.18.0
- [Qemu-devel] [PATCH v2 0/9] qcow2-bitmaps: rewrite reopening logic,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH v2 4/9] block/qcow2-bitmap: get rid of bdrv_has_changed_persistent_bitmaps, Vladimir Sementsov-Ogievskiy, 2019/05/31
- [Qemu-devel] [PATCH v2 9/9] qcow2-bitmap: move bitmap reopen-rw code to qcow2_reopen_prepare, Vladimir Sementsov-Ogievskiy, 2019/05/31
- [Qemu-devel] [PATCH v2 7/9] block/qcow2-bitmap: fix and improve qcow2_reopen_bitmaps_rw, Vladimir Sementsov-Ogievskiy, 2019/05/31
- [Qemu-devel] [PATCH v2 3/9] iotests: add test 255 to check bitmap life after snapshot + commit, Vladimir Sementsov-Ogievskiy, 2019/05/31
- [Qemu-devel] [PATCH v2 8/9] block/qcow2-bitmap: fix reopening bitmaps to RW, Vladimir Sementsov-Ogievskiy, 2019/05/31
- [Qemu-devel] [PATCH v2 2/9] python/qemu: improve event_wait method of vm, Vladimir Sementsov-Ogievskiy, 2019/05/31
- [Qemu-devel] [PATCH v2 1/9] block: add .bdrv_need_rw_file_child_during_reopen_rw handler, Vladimir Sementsov-Ogievskiy, 2019/05/31
- [Qemu-devel] [PATCH v2 6/9] block/qcow2-bitmap: do not remove bitmaps on reopen-ro, Vladimir Sementsov-Ogievskiy, 2019/05/31