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