[PATCH v5 0/9] Allow changing bs->file on reopen

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

Hi all!

Alberto, I'm sorry for not consulting with you about sending this.

Actually, I wanted only one patch
"block: Allow changing bs->file on reopen", as I'm going to send another
series based on it. I started to work on updating this one patch it and
it turned into a refactoring series below. So I decided to add you patch
with test cases, for this series to be a complete* v5. I hope you'll
have time to work on the rest of your series on top of this my
suggestion :)

[*], supporting multiple reopen and final publishing x-blockdev-reopen
not included here. Also I didn't address Kevin's comment that we should
have some error-path testing of new feature. Probably I didn't address
some comments on "Allow changing" patch, but it changed so much that
review should start from scratch anyway.

v5:
1-7: new
8: changed a lot
9: unchanged

Alberto Garcia (2):
  block: Allow changing bs->file on reopen
  iotests: Test replacing files with x-blockdev-reopen

Vladimir Sementsov-Ogievskiy (7):
  block: introduce bdrv_remove_file_or_backing_child()
  block: introduce bdrv_set_file_or_backing_noperm()
  block: bdrv_reopen_parse_backing(): don't check aio context
  block: bdrv_reopen_parse_backing(): don't check frozen child
  block: bdrv_reopen_parse_backing(): simplify handling implicit filters
  block: move supports_backing check to
    bdrv_set_file_or_backing_noperm()
  block: BDRVReopenState: drop replace_backing_bs field

 include/block/block.h            |   2 +-
 block.c                          | 287 ++++++++++++++++---------------
 tests/unit/test-bdrv-drain.c     |   1 +
 tests/unit/test-bdrv-graph-mod.c |   1 +
 tests/qemu-iotests/245           | 140 +++++++++++++--
 tests/qemu-iotests/245.out       |  11 +-
 6 files changed, 287 insertions(+), 155 deletions(-)

-- 
2.29.2