)]}'
{
  "commit": "e2d74ac0664c89757bde8fb18c98cd7bf53da61c",
  "tree": "1e858044a9180766eae4ec694d4200c4ae850406",
  "parents": [
    "329b10bb0feacb7fb9a41389313ff0a51ae56f2a"
  ],
  "author": {
    "name": "Jens Axboe",
    "email": "axboe@suse.de",
    "time": "Tue Mar 28 08:59:01 2006 +0200"
  },
  "committer": {
    "name": "Jens Axboe",
    "email": "axboe@suse.de",
    "time": "Tue Mar 28 08:59:01 2006 +0200"
  },
  "message": "[PATCH] [BLOCK] cfq-iosched: change cfq io context linking from list to tree\n\nOn setups with many disks, we spend a considerable amount of time\nlooking up the process-disk mapping on each queue of io. Testing with\na NULL based block driver, this costs 40-50% reduction in throughput\nfor 1000 disks.\n\nSigned-off-by: Jens Axboe \u003caxboe@suse.de\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "bde40a6ae66533c2b07f46e1eb8d4952fc0e96ed",
      "old_mode": 33188,
      "old_path": "block/cfq-iosched.c",
      "new_id": "bb43a1677626b0ab98b2ff9ebabdb0a995a9fee0",
      "new_mode": 33188,
      "new_path": "block/cfq-iosched.c"
    },
    {
      "type": "modify",
      "old_id": "82469db25100c12e6f01528763725504976291ea",
      "old_mode": 33188,
      "old_path": "block/ll_rw_blk.c",
      "new_id": "cb608768ca37f5ba0a8ee694e5c0007547b6c00c",
      "new_mode": 33188,
      "new_path": "block/ll_rw_blk.c"
    },
    {
      "type": "modify",
      "old_id": "c179966f1a2fea92faa912ffbf8133478ee9b30d",
      "old_mode": 33188,
      "old_path": "include/linux/blkdev.h",
      "new_id": "ed0ffa6735687a9ee33a3c3e1b0a21e9405426b8",
      "new_mode": 33188,
      "new_path": "include/linux/blkdev.h"
    }
  ]
}