)]}'
{
  "commit": "a185eb4bc84155fff35b602ce99602c010de9634",
  "tree": "e052052cbac813166b614325b32584d8bb9beff0",
  "parents": [
    "58eea927d2de43dc6f03d1ba2c46e55854b31540"
  ],
  "author": {
    "name": "Tejun Heo",
    "email": "tj@kernel.org",
    "time": "Fri Nov 28 13:32:07 2008 +0900"
  },
  "committer": {
    "name": "Jens Axboe",
    "email": "jens.axboe@oracle.com",
    "time": "Mon Dec 29 08:28:45 2008 +0100"
  },
  "message": "block: fix empty barrier on write-through w/ ordered tag\n\nEmpty barrier on write-through (or no cache) w/ ordered tag has no\ncommand to execute and without any command to execute ordered tag is\nnever issued to the device and the ordering is never achieved.  Force\ndraining for such cases.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "c63044e9c4c0276165ada0dfacdc2c54196dd040",
      "old_mode": 33188,
      "old_path": "block/blk-barrier.c",
      "new_id": "8eba4e43bb0c505c9c0e846ddd33caf0f15bfdd7",
      "new_mode": 33188,
      "new_path": "block/blk-barrier.c"
    }
  ]
}