[Qemu-block] [PATCH v5 00/11] block: Accept node-name in all node level QMP commands

[Kevin Wolf]

As stated in the RFC I sent two weeks ago:

   * Node level commands: We need to complete the conversion that makes
     commands accept node names instead of BlockBackend names. In some places
     we intentionally allow only BlockBackends because we don't know if the
     command works in other places than the root. This is okay, but we can
     accept node names anyway. We just need to check that the node is a root
     node as expected.

This part of the RFC is implemented by this series.

v5:
- Sent separate patch "block: Accept any target node for transactional
  blockdev-backup" and rebased this series on it [Max]
- Check bdrv_is_inserted() in qmp_get_root_bs() [Max]
- Resolved merge conflicts with QAPI boxed type conversion

v4:
- Changed the way to decide whether a root-node-only QMP command is allowed on
  a specific node. Instead of checking that it has a BB on top, the new check
  is that there is no non-BB parent on top. This allows using unattached nodes.
- Fixed incorrect documentation change for block-commit [Eric]

v3:
- Now with updated documentation

Kevin Wolf (11):
  block: Accept node-name for block-stream
  block: Accept node-name for block-commit
  block: Accept node-name for blockdev-backup
  block: Accept node-name for blockdev-mirror
  block: Accept node-name for blockdev-snapshot-delete-internal-sync
  block: Accept node-name for blockdev-snapshot-internal-sync
  block: Accept node-name for change-backing-file
  block: Accept node-name for drive-backup
  block: Accept node-name for drive-mirror
  nbd-server: Use a separate BlockBackend
  nbd-server: Allow node name for nbd-server-add

 block.c                        |   2 +
 block/block-backend.c          |  16 ++++
 blockdev-nbd.c                 |  21 ++---
 blockdev.c                     | 197 ++++++++++++++---------------------------
 include/block/nbd.h            |   3 +-
 include/sysemu/block-backend.h |   1 +
 nbd/server.c                   |  25 ++++--
 qapi/block-core.json           |  24 ++---
 qapi/block.json                |  14 +--
 qemu-nbd.c                     |   4 +-
 qmp-commands.hx                |  25 +++---
 tests/qemu-iotests/030         |   2 +-
 tests/qemu-iotests/041         |   8 +-
 tests/qemu-iotests/055         |   7 +-
 tests/qemu-iotests/057         |   4 +-
 15 files changed, 161 insertions(+), 192 deletions(-)

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1.8.3.1