)]}'
{
  "log": [
    {
      "commit": "8f0aa2f25b31ba27db84259141e52ee6ec0d2820",
      "tree": "f2935c02ac8508dacd125bb1c8bb6f4879fe778e",
      "parents": [
        "12e22c5e4bc08ab4b05ac079fe40d9891c5e81a0"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "message": "Document the slow work thread pool\n\nDocument the slow work thread pool.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "12e22c5e4bc08ab4b05ac079fe40d9891c5e81a0",
      "tree": "e3d34a8f21d4c00dff311dfef564c59a76e1ae70",
      "parents": [
        "109d9272c423f46604d45fedfe87e21ee0b25180"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "message": "Make the slow work pool configurable\n\nMake the slow work pool configurable through /proc/sys/kernel/slow-work.\n\n (*) /proc/sys/kernel/slow-work/min-threads\n\n     The minimum number of threads that should be in the pool as long as it is\n     in use.  This may be anywhere between 2 and max-threads.\n\n (*) /proc/sys/kernel/slow-work/max-threads\n\n     The maximum number of threads that should in the pool.  This may be\n     anywhere between min-threads and 255 or NR_CPUS * 2, whichever is greater.\n\n (*) /proc/sys/kernel/slow-work/vslow-percentage\n\n     The percentage of active threads in the pool that may be used to execute\n     very slow work items.  This may be between 1 and 99.  The resultant number\n     is bounded to between 1 and one fewer than the number of active threads.\n     This ensures there is always at least one thread that can process very\n     slow work items, and always at least one thread that won\u0027t.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "109d9272c423f46604d45fedfe87e21ee0b25180",
      "tree": "b6bd1d94fd3e018ee97dedb577aa6757787db1a9",
      "parents": [
        "07fe7cb7c7c179f473fd9c823348fd3eb5dad369"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "message": "Make slow-work thread pool actually dynamic\n\nMake the slow-work thread pool actually dynamic in the number of threads it\ncontains.  With this patch, it will both create additional threads when it has\nextra work to do, and cull excess threads that aren\u0027t doing anything.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    },
    {
      "commit": "07fe7cb7c7c179f473fd9c823348fd3eb5dad369",
      "tree": "516c959de929a4c39870629e550b3307601fa73f",
      "parents": [
        "8fe74cf053de7ad2124a894996f84fa890a81093"
      ],
      "author": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "committer": {
        "name": "David Howells",
        "email": "dhowells@redhat.com",
        "time": "Fri Apr 03 16:42:35 2009 +0100"
      },
      "message": "Create a dynamically sized pool of threads for doing very slow work items\n\nCreate a dynamically sized pool of threads for doing very slow work items, such\nas invoking mkdir() or rmdir() - things that may take a long time and may\nsleep, holding mutexes/semaphores and hogging a thread, and are thus unsuitable\nfor workqueues.\n\nThe number of threads is always at least a settable minimum, but more are\nstarted when there\u0027s more work to do, up to a limit.  Because of the nature of\nthe load, it\u0027s not suitable for a 1-thread-per-CPU type pool.  A system with\none CPU may well want several threads.\n\nThis is used by FS-Cache to do slow caching operations in the background, such\nas looking up, creating or deleting cache objects.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Serge Hallyn \u003cserue@us.ibm.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n"
    }
  ]
}