zvfs/zvfs.old/zvfs.json

{
  "subsystems": [
    {
      "subsystem": "bdev",
      "config": [
        {
          "method": "bdev_malloc_create",
          "params": {
            "name": "Malloc0",
            "num_blocks": 32768,
            "block_size": 512
          }
        }
      ]
    }
  ]
}