[PULL 00/24] Block layer patches

[Kevin Wolf <kwolf@redhat.com>]

The following changes since commit 09be8a511a2e278b45729d7b065d30c68dd699d0:

  Merge tag 'pull-qapi-2025-06-03' of https://repo.or.cz/qemu/armbru into staging (2025-06-03 09:19:26 -0400)

are available in the Git repository at:

  https://repo.or.cz/qemu/kevin.git tags/for-upstream

for you to fetch changes up to eef2dd03f948a512499775043bdc0c5c88d8a2dd:

  hw/core/qdev-properties-system: Add missing return in set_drive_helper() (2025-06-04 18:16:34 +0200)

----------------------------------------------------------------
Block layer patches

- Deadlock fixes: Do not drain while holding the graph lock
- qdev-properties-system: Fix assertion failure in set_drive_helper()
- iotests: fix 240

----------------------------------------------------------------
Andrey Drobyshev (1):
      iotests/graph-changes-while-io: add test case with removal of lower snapshot

Fiona Ebner (22):
      block: remove outdated comments about AioContext locking
      block: move drain outside of read-locked bdrv_reopen_queue_child()
      block/snapshot: move drain outside of read-locked bdrv_snapshot_delete()
      block: move drain outside of read-locked bdrv_inactivate_recurse()
      block: mark bdrv_parent_change_aio_context() GRAPH_RDLOCK
      block: mark change_aio_ctx() callback and instances as GRAPH_RDLOCK(_PTR)
      block: mark bdrv_child_change_aio_context() GRAPH_RDLOCK
      block: move drain outside of bdrv_change_aio_context() and mark GRAPH_RDLOCK
      block: move drain outside of bdrv_try_change_aio_context()
      block: move drain outside of bdrv_attach_child_common(_abort)()
      block: move drain outside of bdrv_set_backing_hd_drained()
      block: move drain outside of bdrv_root_attach_child()
      block: move drain outside of bdrv_attach_child()
      block: move drain outside of quorum_add_child()
      block: move drain outside of bdrv_root_unref_child()
      block: move drain outside of quorum_del_child()
      blockdev: drain while unlocked in internal_snapshot_action()
      blockdev: drain while unlocked in external_snapshot_action()
      block: mark bdrv_drained_begin() and friends as GRAPH_UNLOCKED
      iotests/graph-changes-while-io: remove image file after test
      block/io: remove duplicate GLOBAL_STATE_CODE() in bdrv_do_drained_end()
      hw/core/qdev-properties-system: Add missing return in set_drive_helper()

Stefan Hajnoczi (1):
      iotests: fix 240

 include/block/block-global-state.h                 |  19 +-
 include/block/block-io.h                           |   2 +-
 include/block/block_int-common.h                   |  32 ++-
 include/block/blockjob.h                           |   2 +
 block.c                                            | 235 ++++++++++++++-------
 block/backup.c                                     |   2 +
 block/blklogwrites.c                               |   4 +
 block/blkverify.c                                  |   2 +
 block/block-backend.c                              |  10 +-
 block/commit.c                                     |   4 +
 block/io.c                                         |   1 -
 block/mirror.c                                     |   5 +
 block/qcow2.c                                      |   4 +
 block/quorum.c                                     |   4 +
 block/replication.c                                |   7 +
 block/snapshot.c                                   |  28 ++-
 block/stream.c                                     |  10 +-
 block/vmdk.c                                       |  10 +
 blockdev.c                                         |  78 +++++--
 blockjob.c                                         |  12 +-
 hw/core/qdev-properties-system.c                   |   1 +
 qemu-img.c                                         |   2 +
 tests/unit/test-bdrv-drain.c                       |  24 ++-
 tests/unit/test-bdrv-graph-mod.c                   |  10 +
 tests/qemu-iotests/240                             |   2 -
 tests/qemu-iotests/240.out                         |   4 +-
 tests/qemu-iotests/tests/graph-changes-while-io    | 102 ++++++++-
 .../qemu-iotests/tests/graph-changes-while-io.out  |   4 +-
 28 files changed, 475 insertions(+), 145 deletions(-)