)]}'
{
  "commit": "5b21f2ed3f2947b5195b65c9fdbdd9e52904cc03",
  "tree": "9af8f539ac487c163f3207bc065767c3c8b37ae7",
  "parents": [
    "e465768938f95388723b0fd3c50a0ae48173edb9"
  ],
  "author": {
    "name": "Zheng Yan",
    "email": "zheng.yan@oracle.com",
    "time": "Fri Sep 26 10:05:38 2008 -0400"
  },
  "committer": {
    "name": "Chris Mason",
    "email": "chris.mason@oracle.com",
    "time": "Fri Sep 26 10:05:38 2008 -0400"
  },
  "message": "Btrfs: extent_map and data\u003dordered fixes for space balancing\n\n* Add an EXTENT_BOUNDARY state bit to keep the writepage code\nfrom merging data extents that are in the process of being\nrelocated.  This allows us to do accounting for them properly.\n\n* The balancing code relocates data extents indepdent of the underlying\ninode.  The extent_map code was modified to properly account for\nthings moving around (invalidating extent_map caches in the inode).\n\n* Don\u0027t take the drop_mutex in the create_subvol ioctl.  It isn\u0027t\nrequired.\n\n* Fix walking of the ordered extent list to avoid races with sys_unlink\n\n* Change the lock ordering rules.  Transaction start goes outside\nthe drop_mutex.  This allows btrfs_commit_transaction to directly\ndrop the relocation trees.\n\nSigned-off-by: Chris Mason \u003cchris.mason@oracle.com\u003e\n",
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