[Qemu-block] [PATCH v4 0/5] qmp: Add blockdev-mirror

[Fam Zheng]

v4: 02: Add Max's rev-by.
    04: buf_size -> buf-size.
        Add Markus' Ack-by.
    05: 'node1' -> qmp_target.
        Fix double quotes.
        Add Max's Rev-by.

v3: Rebase to master.

v2: 01: Move bdrv_op_block_all down. [Max]
    02, 04: Add Max's rev-by.
    03: Check has_mode and fix "return;". [Max]
    05: Check target->blk.
        Drop superfluous whitespace. [Max]
    06: Drop superfluous whitespace hunk and add Max's rev-by. [Max]

This is the counterpart of blockdev-backup. The biggest value of this command
is to allow full flexibility on target image open options, via blockdev-add.
For example this could help solve the target provisioning issue in:

http://lists.gnu.org/archive/html/qemu-devel/2015-06/msg02139.html

Fam Zheng (5):
  block: Rename BLOCK_OP_TYPE_MIRROR to BLOCK_OP_TYPE_MIRROR_SOURCE
  block: Extract blockdev part of qmp_drive_mirror
  block: Add check on mirror target
  qmp: Add blockdev-mirror command
  iotests: Add test cases for blockdev-mirror

 blockdev.c                      | 179 ++++++++++++++++++++++++++++++----------
 hw/block/dataplane/virtio-blk.c |   2 +-
 include/block/block.h           |   3 +-
 qapi/block-core.json            |  48 +++++++++++
 qmp-commands.hx                 |  50 ++++++++++-
 tests/qemu-iotests/041          | 100 ++++++++++++++++------
 tests/qemu-iotests/041.out      |   4 +-
 7 files changed, 316 insertions(+), 70 deletions(-)

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2.4.3