Block layer patches

- Managing inactive nodes (enables QSD migration with shared storage)
- Fix swapped values for BLOCK_IO_ERROR 'device' and 'qom-path'
- vpc: Read images exported from Azure correctly
- scripts/qemu-gdb: Support coroutine dumps in coredumps
- Minor cleanups

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# gpg: Signature made Thu 06 Feb 2025 11:12:50 EST
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin

: (25 commits)
  block: remove unused BLOCK_OP_TYPE_DATAPLANE
  iotests: Add (NBD-based) tests for inactive nodes
  iotests: Add qsd-migrate case
  iotests: Add filter_qtest()
  nbd/server: Support inactive nodes
  block/export: Add option to allow export of inactive nodes
  block: Drain nodes before inactivating them
  block/export: Don't ignore image activation error in blk_exp_add()
  block: Support inactive nodes in blk_insert_bs()
  block: Add blockdev-set-active QMP command
  block: Add option to create inactive nodes
  block: Fix crash on block_resize on inactive node
  block: Don't attach inactive child to active node
  migration/block-active: Remove global active flag
  block: Inactivate external snapshot overlays when necessary
  block: Allow inactivating already inactive nodes
  block: Add 'active' field to BlockDeviceInfo
  block-backend: Fix argument order when calling 'qapi_event_send_block_io_error()'
  scripts/qemu-gdb: Support coroutine dumps in coredumps
  scripts/qemu-gdb: Simplify fs_base fetching for coroutines
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>