)]}'
{
  "commit": "fa4b9074cd8428958c2adf9dc0c831f46e27c193",
  "tree": "752103db616696fd7ba3374948fac9ebdf462d9e",
  "parents": [
    "f1ac2502e19c59e996242d406fcc60e4c563e8ce"
  ],
  "author": {
    "name": "Tejun Heo",
    "email": "tj@kernel.org",
    "time": "Sat May 15 20:09:27 2010 +0200"
  },
  "committer": {
    "name": "Jens Axboe",
    "email": "jens.axboe@oracle.com",
    "time": "Fri May 21 20:01:02 2010 +0200"
  },
  "message": "buffer: make invalidate_bdev() drain all percpu LRU add caches\n\ninvalidate_bdev() should release all page cache pages which are clean\nand not being used; however, if some pages are still in the percpu LRU\nadd caches on other cpus, those pages are considered in used and don\u0027t\nget released.  Fix it by calling lru_add_drain_all() before trying to\ninvalidate pages.\n\nThis problem was discovered while testing block automatic native\ncapacity unlocking.  Null pages which were read before automatic\nunlocking didn\u0027t get released by invalidate_bdev() and ended up\ninterfering with partition scan after unlocking.\n\nSigned-off-by: Tejun Heo \u003ctj@kernel.org\u003e\nAcked-by: David S. Miller \u003cdavem@davemloft.net\u003e\nSigned-off-by: Jens Axboe \u003cjens.axboe@oracle.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "c9c266db0624d73efaa487f664006d1bb862151b",
      "old_mode": 33188,
      "old_path": "fs/buffer.c",
      "new_id": "08e422d5699674c246bf614d62fe826b6b0aaf43",
      "new_mode": 33188,
      "new_path": "fs/buffer.c"
    }
  ]
}