)]}'
{
  "commit": "bdcb88562ca90e6cfac13130e147c63aaa4f9e41",
  "tree": "54411e375cfd212e641ec464855f7da14e60cf4a",
  "parents": [
    "3650925893469ccb03dbcc6a440c5d363350f591"
  ],
  "author": {
    "name": "Bob Peterson",
    "email": "rpeterso@redhat.com",
    "time": "Wed Jul 11 15:55:23 2007 -0500"
  },
  "committer": {
    "name": "Steven Whitehouse",
    "email": "swhiteho@redhat.com",
    "time": "Tue Aug 14 10:32:04 2007 +0100"
  },
  "message": "[GFS2] soft lockup detected in databuf_lo_before_commit\n\nThis is part 2 of the patch for bug #245832, part 1 of which is already\nin the git tree.\n\nThe problem was that sdp-\u003esd_log_num_databuf was not always being\nprotected by the gfs2_log_lock spinlock, but the sd_log_le_databuf\n(which it is supposed to reflect) was protected.  That meant there\nwas a timing window during which gfs2_log_flush called\ndatabuf_lo_before_commit and the count didn\u0027t match what was\nreally on the linked list in that window.  So when it ran out of\nitems on the linked list, it decremented total_dbuf from 0 to -1 and\nthus never left the \"while(total_dbuf)\" loop.\n\nThe solution is to protect the variable sdp-\u003esd_log_num_databuf so\nthat the value will always match the contents of the linked list,\nand therefore the number will never go negative, and therefore, the\nloop will be exited properly.\n\nSigned-off-by: Bob Peterson \u003crpeterso@redhat.com\u003e\nSigned-off-by: Steven Whitehouse \u003cswhiteho@redhat.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "aff70f0698fdd887799e3d23a0057ea715714112",
      "old_mode": 33188,
      "old_path": "fs/gfs2/lops.c",
      "new_id": "3b395c41b2f3f9acefc623e6e008949231b1e8d3",
      "new_mode": 33188,
      "new_path": "fs/gfs2/lops.c"
    }
  ]
}