{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": "drive0"}}
{"return": {}}
{
  "execute": "transaction",
  "arguments": {
    "actions": [
      {
        "data": {
          "device": "drive0",
          "snapshot-file": "TEST_DIR/PID-top",
          "snapshot-node-name": "snap"
        },
        "type": "blockdev-snapshot-sync"
      },
      {
        "data": {
          "name": "bitmap0",
          "node": "snap"
        },
        "type": "block-dirty-bitmap-add"
      },
      {
        "data": {
          "bitmaps": [
            {
              "name": "bitmap0",
              "node": "base"
            }
          ],
          "node": "snap",
          "target": "bitmap0"
        },
        "type": "block-dirty-bitmap-merge"
      }
    ]
  }
}
{
  "return": {}
}
query-block: device = drive0, node-name = snap, dirty-bitmaps:
[
  {
    "busy": false,
    "count": 524288,
    "granularity": 65536,
    "name": "bitmap0",
    "persistent": false,
    "recording": true,
    "status": "active"
  }
]