[PATCH v4 00/19] iotests: support zstd

[Vladimir Sementsov-Ogievskiy]

These series makes tests pass with

   IMGOPTS='compression_type=zstd'

Also, python iotests start to support IMGOPTS (they didn't before).

v4: 18,19: new: add unsupported_imgopts as suggested by Hanna.

Vladimir Sementsov-Ogievskiy (19):
  iotests.py: img_info_log(): rename imgopts argument
  iotests.py: qemu_img*("create"): support
    IMGOPTS='compression_type=zstd'
  iotests: drop qemu_img_verbose() helper
  iotests.py: rewrite default luks support in qemu_img
  iotest 303: explicit compression type
  iotest 065: explicit compression type
  iotests.py: filter out successful output of qemu-img create
  iotests.py: filter compression type out
  iotest 302: use img_info_log() helper
  qcow2: simple case support for downgrading of qcow2 images with zstd
  iotests/common.rc: introduce _qcow2_dump_header helper
  iotests: massive use _qcow2_dump_header
  iotest 39: use _qcow2_dump_header
  iotests: bash tests: filter compression type
  iotests 60: more accurate set dirty bit in qcow2 header
  iotest 214: explicit compression type
  iotests: declare lack of support for compresion_type in IMGOPTS
  iotests.py: implement unsupported_imgopts
  iotests: specify some unsupported_imgopts for python iotests

 block/qcow2.c                                 | 58 ++++++++++-
 tests/qemu-iotests/031                        | 11 ++-
 tests/qemu-iotests/036                        |  6 +-
 tests/qemu-iotests/039                        | 22 ++---
 tests/qemu-iotests/044                        |  8 +-
 tests/qemu-iotests/044.out                    |  1 +
 tests/qemu-iotests/051                        |  5 +-
 tests/qemu-iotests/060                        | 22 ++---
 tests/qemu-iotests/060.out                    |  2 +-
 tests/qemu-iotests/061                        | 42 ++++----
 tests/qemu-iotests/061.out                    | 12 +--
 tests/qemu-iotests/065                        | 19 ++--
 tests/qemu-iotests/082.out                    | 14 +--
 tests/qemu-iotests/112                        |  3 +-
 tests/qemu-iotests/137                        |  2 +-
 tests/qemu-iotests/149.out                    | 21 ----
 tests/qemu-iotests/163                        |  3 +-
 tests/qemu-iotests/165                        |  3 +-
 tests/qemu-iotests/196                        |  3 +-
 tests/qemu-iotests/198.out                    |  4 +-
 tests/qemu-iotests/206.out                    | 10 +-
 tests/qemu-iotests/209                        |  7 +-
 tests/qemu-iotests/209.out                    |  2 +
 tests/qemu-iotests/210                        |  8 +-
 tests/qemu-iotests/214                        |  2 +-
 tests/qemu-iotests/237.out                    |  3 -
 tests/qemu-iotests/242                        |  3 +-
 tests/qemu-iotests/242.out                    | 10 +-
 tests/qemu-iotests/246                        |  3 +-
 tests/qemu-iotests/254                        |  3 +-
 tests/qemu-iotests/255.out                    |  4 -
 tests/qemu-iotests/260                        |  4 +-
 tests/qemu-iotests/274                        |  3 +-
 tests/qemu-iotests/274.out                    | 39 +-------
 tests/qemu-iotests/280.out                    |  1 -
 tests/qemu-iotests/281                        |  3 +-
 tests/qemu-iotests/287                        |  8 +-
 tests/qemu-iotests/290                        |  2 +-
 tests/qemu-iotests/296.out                    | 10 +-
 tests/qemu-iotests/302                        |  4 +-
 tests/qemu-iotests/302.out                    |  7 +-
 tests/qemu-iotests/303                        | 26 +++--
 tests/qemu-iotests/303.out                    | 30 +++++-
 tests/qemu-iotests/common.filter              |  8 ++
 tests/qemu-iotests/common.rc                  | 22 +++++
 tests/qemu-iotests/iotests.py                 | 99 +++++++++++++------
 .../tests/migrate-bitmaps-postcopy-test       |  3 +-
 tests/qemu-iotests/tests/migrate-bitmaps-test |  3 +-
 .../qemu-iotests/tests/migrate-during-backup  |  3 +-
 .../tests/remove-bitmap-from-backing          |  3 +-
 50 files changed, 358 insertions(+), 236 deletions(-)

-- 
2.31.1