)]}'
{
  "commit": "19fd294957e426bfdd8e19085096467ec18df5c4",
  "tree": "47c3ee705ac9d591d2f9497d3dfc3d1426a881a2",
  "parents": [
    "9fe6a50fb764f508dd2de47a66e62e51388791fb"
  ],
  "author": {
    "name": "Miao Xie",
    "email": "miaox@cn.fujitsu.com",
    "time": "Wed Jun 15 10:47:30 2011 +0000"
  },
  "committer": {
    "name": "Chris Mason",
    "email": "chris.mason@oracle.com",
    "time": "Fri Jun 17 14:54:18 2011 -0400"
  },
  "message": "btrfs: fix wrong reservation when doing delayed inode operations\n\nWe have migrated the space for the delayed inode items from\ntrans_block_rsv to global_block_rsv, but we forgot to set trans-\u003eblock_rsv to\nglobal_block_rsv when we doing delayed inode operations, and the following Oops\nhappened:\n\n[ 9792.654889] ------------[ cut here ]------------\n[ 9792.654898] WARNING: at fs/btrfs/extent-tree.c:5681\nbtrfs_alloc_free_block+0xca/0x27c [btrfs]()\n[ 9792.654899] Hardware name: To Be Filled By O.E.M.\n[ 9792.654900] Modules linked in: btrfs zlib_deflate libcrc32c\nip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables\narc4 rt61pci rt2x00pci rt2x00lib snd_hda_codec_hdmi mac80211\nsnd_hda_codec_realtek cfg80211 snd_hda_intel edac_core snd_seq rfkill\npcspkr serio_raw snd_hda_codec eeprom_93cx6 edac_mce_amd sp5100_tco\ni2c_piix4 k10temp snd_hwdep snd_seq_device snd_pcm floppy r8169 xhci_hcd\nmii snd_timer snd soundcore snd_page_alloc ipv6 firewire_ohci pata_acpi\nata_generic firewire_core pata_via crc_itu_t radeon ttm drm_kms_helper\ndrm i2c_algo_bit i2c_core [last unloaded: scsi_wait_scan]\n[ 9792.654919] Pid: 2762, comm: rm Tainted: G        W   2.6.39+ #1\n[ 9792.654920] Call Trace:\n[ 9792.654922]  [\u003cffffffff81053c4a\u003e] warn_slowpath_common+0x83/0x9b\n[ 9792.654925]  [\u003cffffffff81053c7c\u003e] warn_slowpath_null+0x1a/0x1c\n[ 9792.654933]  [\u003cffffffffa038e747\u003e] btrfs_alloc_free_block+0xca/0x27c [btrfs]\n[ 9792.654945]  [\u003cffffffffa03b8562\u003e] ? map_extent_buffer+0x6e/0xa8 [btrfs]\n[ 9792.654953]  [\u003cffffffffa038189b\u003e] __btrfs_cow_block+0xfc/0x30c [btrfs]\n[ 9792.654963]  [\u003cffffffffa0396aa6\u003e] ? btrfs_buffer_uptodate+0x47/0x58 [btrfs]\n[ 9792.654970]  [\u003cffffffffa0382e48\u003e] ? read_block_for_search+0x94/0x368 [btrfs]\n[ 9792.654978]  [\u003cffffffffa0381ba9\u003e] btrfs_cow_block+0xfe/0x146 [btrfs]\n[ 9792.654986]  [\u003cffffffffa03848b0\u003e] btrfs_search_slot+0x14d/0x4b6 [btrfs]\n[ 9792.654997]  [\u003cffffffffa03b8562\u003e] ? map_extent_buffer+0x6e/0xa8 [btrfs]\n[ 9792.655022]  [\u003cffffffffa03938e8\u003e] btrfs_lookup_inode+0x2f/0x8f [btrfs]\n[ 9792.655025]  [\u003cffffffff8147afac\u003e] ? _cond_resched+0xe/0x22\n[ 9792.655027]  [\u003cffffffff8147b892\u003e] ? mutex_lock+0x29/0x50\n[ 9792.655039]  [\u003cffffffffa03d41b1\u003e] btrfs_update_delayed_inode+0x72/0x137 [btrfs]\n[ 9792.655051]  [\u003cffffffffa03d4ea2\u003e] btrfs_run_delayed_items+0x90/0xdb [btrfs]\n[ 9792.655062]  [\u003cffffffffa039a69b\u003e] btrfs_commit_transaction+0x228/0x654 [btrfs]\n[ 9792.655064]  [\u003cffffffff8106e8da\u003e] ? remove_wait_queue+0x3a/0x3a\n[ 9792.655075]  [\u003cffffffffa03a2fa5\u003e] btrfs_evict_inode+0x14d/0x202 [btrfs]\n[ 9792.655077]  [\u003cffffffff81132bd6\u003e] evict+0x71/0x111\n[ 9792.655079]  [\u003cffffffff81132de0\u003e] iput+0x12a/0x132\n[ 9792.655081]  [\u003cffffffff8112aa3a\u003e] do_unlinkat+0x106/0x155\n[ 9792.655083]  [\u003cffffffff81127b83\u003e] ? path_put+0x1f/0x23\n[ 9792.655085]  [\u003cffffffff8109c53c\u003e] ? audit_syscall_entry+0x145/0x171\n[ 9792.655087]  [\u003cffffffff81128410\u003e] ? putname+0x34/0x36\n[ 9792.655090]  [\u003cffffffff8112b441\u003e] sys_unlinkat+0x29/0x2b\n[ 9792.655092]  [\u003cffffffff81482c42\u003e] system_call_fastpath+0x16/0x1b\n[ 9792.655093] ---[ end trace 02b696eb02b3f768 ]---\n\nThis patch fix it by setting the reservation of the transaction handle to the\ncorrect one.\n\nReported-by: Josef Bacik \u003cjosef@redhat.com\u003e\nSigned-off-by: Miao Xie \u003cmiaox@cn.fujitsu.com\u003e\nSigned-off-by: Chris Mason \u003cchris.mason@oracle.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "6462c29d2d37fcc8ec779f1d6d3b6817003a68c2",
      "old_mode": 33188,
      "old_path": "fs/btrfs/delayed-inode.c",
      "new_id": "fc515b787e8cf3860bd142b7e2af4c43b33b3294",
      "new_mode": 33188,
      "new_path": "fs/btrfs/delayed-inode.c"
    },
    {
      "type": "modify",
      "old_id": "eb7d240aa6485db61c8d13299519abc9b81d3cc0",
      "old_mode": 33188,
      "old_path": "fs/btrfs/delayed-inode.h",
      "new_id": "cb79b6771e8257e6ba1fb18a163c63ee864dbe0b",
      "new_mode": 33188,
      "new_path": "fs/btrfs/delayed-inode.h"
    }
  ]
}