)]}'
{
  "commit": "1dfa0f68c040080c5fefa7211b4ec34d202f8570",
  "tree": "572a04efee9750a118a43579fef0381dd9997461",
  "parents": [
    "ddad8dd0a162fde61646a627a3017c258601dc8a"
  ],
  "author": {
    "name": "Christoph Hellwig",
    "email": "hch@lst.de",
    "time": "Sun Jan 18 16:16:30 2015 +0100"
  },
  "committer": {
    "name": "Jens Axboe",
    "email": "axboe@fb.com",
    "time": "Thu Feb 05 09:30:39 2015 -0700"
  },
  "message": "block: add a helper to free bio bounce buffer pages\n\nThe code sniplet to walk all bio_vecs and free their pages is opencoded in\nway to many places, so factor it into a helper.  Also convert the slightly\nmore complex cases in bio_kern_endio and __bio_copy_iov where we break\nthe freeing from an existing loop into a separate one.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nReviewed-by: Ming Lei \u003ctom.leiming@gmail.com\u003e\nSigned-off-by: Jens Axboe \u003caxboe@fb.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "879921e6b049c8fe94d936763efad4bcb331fbe6",
      "old_mode": 33188,
      "old_path": "block/bio.c",
      "new_id": "0895f694f44030d7d5a748f3a57c7d76af9b97ee",
      "new_mode": 33188,
      "new_path": "block/bio.c"
    }
  ]
}