)]}'
{
  "commit": "312d3ca856d369bb04d0443846b85b4cdde6fa8a",
  "tree": "cf95d01cffaf02bf53c2bb0f7c2c924279ec6eeb",
  "parents": [
    "9c82ab9c9e16cb9edf17bd0d31f3d6904afce04f"
  ],
  "author": {
    "name": "Christoph Hellwig",
    "email": "hch@infradead.org",
    "time": "Sun Oct 10 05:36:23 2010 -0400"
  },
  "committer": {
    "name": "Al Viro",
    "email": "viro@zeniv.linux.org.uk",
    "time": "Mon Oct 25 21:26:12 2010 -0400"
  },
  "message": "fs: use percpu counter for nr_dentry and nr_dentry_unused\n\nThe nr_dentry stat is a globally touched cacheline and atomic operation\ntwice over the lifetime of a dentry. It is used for the benfit of userspace\nonly. Turn it into a per-cpu counter and always decrement it in d_free instead\nof doing various batching operations to reduce lock hold times in the callers.\n\nBased on an earlier patch from Nick Piggin \u003cnpiggin@suse.de\u003e.\n\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "028753951e956408117d31970306f43f37e908ff",
      "old_mode": 33188,
      "old_path": "fs/dcache.c",
      "new_id": "c37a656802b0f5da26b7bf800f46982834c039d0",
      "new_mode": 33188,
      "new_path": "fs/dcache.c"
    },
    {
      "type": "modify",
      "old_id": "4a573cf13f5191dd8dd26ddaaa24b50ef98124d1",
      "old_mode": 33188,
      "old_path": "include/linux/fs.h",
      "new_id": "d580599448012e69d1956ae14d12a41e30313612",
      "new_mode": 33188,
      "new_path": "include/linux/fs.h"
    },
    {
      "type": "modify",
      "old_id": "99a510cbfbb3d8787122066c7ff5817ba19d0dcd",
      "old_mode": 33188,
      "old_path": "kernel/sysctl.c",
      "new_id": "8b77ff5c502c60cd0b73dd6849ece649420daeed",
      "new_mode": 33188,
      "new_path": "kernel/sysctl.c"
    }
  ]
}