From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: qemu-block@nongnu.org
Cc: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com,
qemu-devel@nongnu.org, mreitz@redhat.com, den@openvz.org,
jsnow@redhat.com
Subject: [PATCH v5 0/9] qcow2-bitmaps: rewrite reopening logic
Date: Fri, 27 Sep 2019 15:23:46 +0300 [thread overview]
Message-ID: <20190927122355.7344-1-vsementsov@virtuozzo.com> (raw)
Hi all!
Bitmaps reopening is buggy, reopening-rw just not working at all and
reopening-ro may lead to producing broken incremental
backup if we do temporary snapshot in a meantime.
v5:
01: - add Max's r-b
- fix s/QSIMPLE_INIT/QTAILQ_INIT/ in a comment
02: - add Max's and John's a-b
03: - improve test to check bitmap hashes in more safe way
07: - drop wrong statement from commit message
- log events by hand
08: - drop 'the' from comment
- add Corruption in case of existent IN_USE on RO->RW reopen
09: - add Max's a-b and John's r-b
v4: Drop complicated solution around reopening logic [Kevin], fix
the existing bug in a simplest way
Vladimir Sementsov-Ogievskiy (9):
block: switch reopen queue from QSIMPLEQ to QTAILQ
block: reverse order for reopen commits
iotests: add test-case to 165 to test reopening qcow2 bitmaps to RW
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
iotests: add test 260 to check bitmap life after snapshot + commit
block/qcow2-bitmap: fix and improve qcow2_reopen_bitmaps_rw
qcow2-bitmap: move bitmap reopen-rw code to qcow2_reopen_commit
block/qcow2.h | 5 +-
include/block/block.h | 2 +-
include/block/block_int.h | 6 --
include/block/dirty-bitmap.h | 1 -
block.c | 53 +++++------
block/dirty-bitmap.c | 12 ---
block/qcow2-bitmap.c | 164 ++++++++++++++++++++++-------------
block/qcow2.c | 17 +++-
tests/qemu-iotests/165 | 57 +++++++++++-
tests/qemu-iotests/165.out | 4 +-
tests/qemu-iotests/260 | 89 +++++++++++++++++++
tests/qemu-iotests/260.out | 52 +++++++++++
tests/qemu-iotests/group | 1 +
13 files changed, 343 insertions(+), 120 deletions(-)
create mode 100755 tests/qemu-iotests/260
create mode 100644 tests/qemu-iotests/260.out
--
2.21.0
next reply other threads:[~2019-09-27 14:07 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-27 12:23 Vladimir Sementsov-Ogievskiy [this message]
2019-09-27 12:23 ` [PATCH v5 1/9] block: switch reopen queue from QSIMPLEQ to QTAILQ Vladimir Sementsov-Ogievskiy
2019-09-27 12:23 ` [PATCH v5 2/9] block: reverse order for reopen commits Vladimir Sementsov-Ogievskiy
2019-09-27 12:23 ` [PATCH v5 3/9] iotests: add test-case to 165 to test reopening qcow2 bitmaps to RW Vladimir Sementsov-Ogievskiy
2019-09-27 20:43 ` John Snow
2019-09-27 12:23 ` [PATCH v5 4/9] block/qcow2-bitmap: get rid of bdrv_has_changed_persistent_bitmaps Vladimir Sementsov-Ogievskiy
2019-09-27 12:23 ` [PATCH v5 5/9] block/qcow2-bitmap: drop qcow2_reopen_bitmaps_rw_hint() Vladimir Sementsov-Ogievskiy
2019-09-27 12:23 ` [PATCH v5 6/9] block/qcow2-bitmap: do not remove bitmaps on reopen-ro Vladimir Sementsov-Ogievskiy
2019-09-27 12:23 ` [PATCH v5 7/9] iotests: add test 260 to check bitmap life after snapshot + commit Vladimir Sementsov-Ogievskiy
2019-09-27 12:23 ` [PATCH v5 8/9] block/qcow2-bitmap: fix and improve qcow2_reopen_bitmaps_rw Vladimir Sementsov-Ogievskiy
2019-09-27 12:23 ` [PATCH v5 9/9] qcow2-bitmap: move bitmap reopen-rw code to qcow2_reopen_commit Vladimir Sementsov-Ogievskiy
2019-09-27 22:41 ` [PATCH v5 0/9] qcow2-bitmaps: rewrite reopening logic John Snow
2019-09-27 23:36 ` John Snow
2019-09-30 10:32 ` Vladimir Sementsov-Ogievskiy
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