Parallels format driver:
* make some preparation
* add dirty bitmap saving
* make dirty bitmap RW
* fix broken checks
* refactor leak check
* add parallels format support to several tests

Alexander Ivanov (19):
  parallels: Move inactivation code to a separate function
  parallels: Add mark_unused() helper
  parallels: Move host clusters allocation to a separate function
  parallels: Set data_end value in parallels_check_leak()
  parallels: Recreate used bitmap in parallels_check_leak()
  parallels: Add a note about used bitmap in parallels_check_duplicate()
  parallels: Create used bitmap even if checks needed
  parallels: Make mark_used() and mark_unused() global functions
  parallels: Add dirty bitmaps saving
  parallels: Let image extensions work in RW mode
  parallels: Handle L1 entries equal to one
  parallels: Make a loaded dirty bitmap persistent
  parallels: Reverse a conditional in parallels_check_leak() to reduce
    indents
  parallels: Truncate images on the last used cluster
  parallels: Remove unnecessary data_end field
  parallels: Check unused clusters in parallels_check_leak()
  tests: Add parallels images support to test 165
  tests: Turned on 256, 299, 304 and block-status-cache for parallels
    format
  tests: Add parallels format support to image-fleecing

 block/parallels-ext.c                       | 182 +++++++++-
 block/parallels.c                           | 357 ++++++++++++--------
 block/parallels.h                           |  15 +-
 tests/qemu-iotests/165                      |  42 ++-
 tests/qemu-iotests/256                      |   2 +-
 tests/qemu-iotests/299                      |   2 +-
 tests/qemu-iotests/304                      |   2 +-
 tests/qemu-iotests/tests/block-status-cache |   2 +-
 tests/qemu-iotests/tests/image-fleecing     |  13 +-
 9 files changed, 443 insertions(+), 174 deletions(-)

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2.34.1