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4850 | mario79 | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5363 | yogev_ezra | 3 | ;; Copyright (C) KolibriOS team 2013-2015. All rights reserved. ;; |
4850 | mario79 | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 5363 $ |
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9 | |||
10 | |||
3913 | dunkaist | 11 | ; from stat.h |
12 | ; distinguish file types |
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13 | S_IFMT = 0170000o ; These bits determine file type. |
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14 | S_IFDIR = 0040000o ; Directory. |
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15 | S_IFCHR = 0020000o ; Character device. |
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16 | S_IFBLK = 0060000o ; Block device. |
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17 | S_IFREG = 0100000o ; Regular file. |
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18 | S_IFIFO = 0010000o ; FIFO. |
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19 | S_IFLNK = 0120000o ; Symbolic link. |
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20 | S_IFSOCK = 0140000o ; Socket. |
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21 | ; end stat.h |
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22 | |||
23 | |||
24 | ; XFS null constant: empty fields must be all ones, not zeros! |
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25 | XFS_NULL = -1 |
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26 | |||
27 | |||
28 | ; static sector numbers |
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29 | XFS_SECT_SB = 0 |
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30 | XFS_SECT_AGF = 1 |
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31 | XFS_SECT_AGI = 2 |
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32 | XFS_SECT_AGFL = 3 |
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33 | |||
34 | |||
35 | ; signatures of file system structures |
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36 | ; 'string' numbers are treated by fasm as big endian |
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37 | XFS_SB_MAGIC = 'XFSB' |
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38 | XFS_AGF_MAGIC = 'XAGF' |
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39 | XFS_AGI_MAGIC = 'XAGI' |
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40 | XFS_ABTB_MAGIC = 'ABTB' |
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41 | XFS_ABTC_MAGIC = 'ABTC' |
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42 | XFS_IBT_MAGIC = 'IABT' |
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43 | XFS_DINODE_MAGIC = 'IN' |
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44 | XFS_BMAP_MAGIC = 'BMAP' |
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45 | XFS_DA_NODE_MAGIC = 0xbefe ; those are little endian here |
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46 | XFS_ATTR_LEAF_MAGIC = 0xeefb ; but big endian in docs |
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47 | XFS_DIR2_LEAF1_MAGIC = 0xf1d2 ; pay attention! |
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48 | XFS_DIR2_LEAFN_MAGIC = 0xffd2 ; |
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49 | XFS_DIR2_BLOCK_MAGIC = 'XD2B' |
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50 | XFS_DIR2_DATA_MAGIC = 'XD2D' |
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51 | XFS_DIR2_FREE_MAGIC = 'XD2F' |
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52 | XFS_DQUOT_MAGIC = 'DQ' |
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53 | |||
54 | |||
55 | ; bitfield lengths for packed extent |
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56 | ; MSB to LSB / left to right |
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57 | BMBT_EXNTFLAG_BITLEN = 1 |
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58 | BMBT_STARTOFF_BITLEN = 54 |
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59 | BMBT_STARTBLOCK_BITLEN = 52 |
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60 | BMBT_BLOCKCOUNT_BITLEN = 21 |
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61 | |||
62 | |||
63 | ; those constants are taken from linux source (xfs_dir2_leaf.h) |
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64 | ; they are magic infile offsets for directories |
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65 | XFS_DIR2_DATA_ALIGN_LOG = 3 ; i.e., 8 bytes |
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66 | XFS_DIR2_LEAF_SPACE = 1 |
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67 | XFS_DIR2_SPACE_SIZE = (1 SHL (32 + XFS_DIR2_DATA_ALIGN_LOG)) |
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68 | XFS_DIR2_LEAF_OFFSET = (XFS_DIR2_LEAF_SPACE * XFS_DIR2_SPACE_SIZE) |
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69 | XFS_DIR2_FREE_SPACE = 2 |
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70 | XFS_DIR2_SPACE_SIZE = (1 SHL (32 + XFS_DIR2_DATA_ALIGN_LOG)) |
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71 | XFS_DIR2_FREE_OFFSET = (XFS_DIR2_FREE_SPACE * XFS_DIR2_SPACE_SIZE) |
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72 | |||
73 | |||
74 | ; data section magic constants for directories (xfs_dir2_data.h) |
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75 | XFS_DIR2_DATA_FD_COUNT = 3 |
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76 | XFS_DIR2_DATA_FREE_TAG = 0xffff |
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77 | |||
78 | |||
79 | ; valid inode formats |
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80 | ; enum xfs_dinode_fmt (xfs_dinode.h) |
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81 | XFS_DINODE_FMT_DEV = 0 ; xfs_dev_t |
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82 | XFS_DINODE_FMT_LOCAL = 1 ; one inode is enough (shortdir) |
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83 | XFS_DINODE_FMT_EXTENTS = 2 ; one or more extents (leafdir, nodedir, regular files) |
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84 | XFS_DINODE_FMT_BTREE = 3 ; highly fragmented files or really huge directories |
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85 | XFS_DINODE_FMT_UUID = 4 ; uuid_t |
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86 | |||
87 | |||
88 | ; size of the unlinked inode hash table in the agi |
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89 | XFS_AGI_UNLINKED_BUCKETS = 64 |
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90 | |||
91 | |||
92 | ; possible extent states |
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93 | ; enum xfs_exntst_t (xfs_bmap_btree.h) |
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94 | XFS_EXT_NORM = 0 |
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95 | XFS_EXT_UNWRITTEN = 1 |
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96 | XFS_EXT_DMAPI_OFFLINE = 2 |
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97 | XFS_EXT_INVALID = 3 |
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98 | |||
99 | |||
100 | ; values for inode core flags / di_flags (xfs_dinode.h) |
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101 | XFS_DIFLAG_REALTIME_BIT = 0 ; file's blocks come from rt area |
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102 | XFS_DIFLAG_PREALLOC_BIT = 1 ; file space has been preallocated |
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103 | XFS_DIFLAG_NEWRTBM_BIT = 2 ; for rtbitmap inode, new format |
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104 | XFS_DIFLAG_IMMUTABLE_BIT = 3 ; inode is immutable |
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105 | XFS_DIFLAG_APPEND_BIT = 4 ; inode is append-only |
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106 | XFS_DIFLAG_SYNC_BIT = 5 ; inode is written synchronously |
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107 | XFS_DIFLAG_NOATIME_BIT = 6 ; do not update atime |
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108 | XFS_DIFLAG_NODUMP_BIT = 7 ; do not dump |
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109 | XFS_DIFLAG_RTINHERIT_BIT = 8 ; create with realtime bit set |
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110 | XFS_DIFLAG_PROJINHERIT_BIT = 9 ; create with parents projid |
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111 | XFS_DIFLAG_NOSYMLINKS_BIT = 10 ; disallow symlink creation |
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112 | XFS_DIFLAG_EXTSIZE_BIT = 11 ; inode extent size allocator hint |
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113 | XFS_DIFLAG_EXTSZINHERIT_BIT = 12 ; inherit inode extent size |
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114 | XFS_DIFLAG_NODEFRAG_BIT = 13 ; do not reorganize/defragment |
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115 | XFS_DIFLAG_FILESTREAM_BIT = 14 ; use filestream allocator |
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116 | XFS_DIFLAG_REALTIME = (1 SHL XFS_DIFLAG_REALTIME_BIT) |
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117 | XFS_DIFLAG_PREALLOC = (1 SHL XFS_DIFLAG_PREALLOC_BIT) |
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118 | XFS_DIFLAG_NEWRTBM = (1 SHL XFS_DIFLAG_NEWRTBM_BIT) |
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119 | XFS_DIFLAG_IMMUTABLE = (1 SHL XFS_DIFLAG_IMMUTABLE_BIT) |
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120 | XFS_DIFLAG_APPEND = (1 SHL XFS_DIFLAG_APPEND_BIT) |
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121 | XFS_DIFLAG_SYNC = (1 SHL XFS_DIFLAG_SYNC_BIT) |
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122 | XFS_DIFLAG_NOATIME = (1 SHL XFS_DIFLAG_NOATIME_BIT) |
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123 | XFS_DIFLAG_NODUMP = (1 SHL XFS_DIFLAG_NODUMP_BIT) |
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124 | XFS_DIFLAG_RTINHERIT = (1 SHL XFS_DIFLAG_RTINHERIT_BIT) |
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125 | XFS_DIFLAG_PROJINHERIT = (1 SHL XFS_DIFLAG_PROJINHERIT_BIT) |
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126 | XFS_DIFLAG_NOSYMLINKS = (1 SHL XFS_DIFLAG_NOSYMLINKS_BIT) |
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127 | XFS_DIFLAG_EXTSIZE = (1 SHL XFS_DIFLAG_EXTSIZE_BIT) |
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128 | XFS_DIFLAG_EXTSZINHERIT = (1 SHL XFS_DIFLAG_EXTSZINHERIT_BIT) |
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129 | XFS_DIFLAG_NODEFRAG = (1 SHL XFS_DIFLAG_NODEFRAG_BIT) |
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130 | XFS_DIFLAG_FILESTREAM = (1 SHL XFS_DIFLAG_FILESTREAM_BIT) |
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131 | |||
132 | |||
133 | ; superblock _ondisk_ structure (xfs_sb.h) |
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134 | ; this is _not_ the partition structure |
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135 | ; for XFS partition structure see XFS below |
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136 | struct xfs_sb |
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137 | sb_magicnum dd ? ; signature, must be XFS_SB_MAGIC |
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138 | sb_blocksize dd ? ; block is the minimal file system unit, in bytes |
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139 | sb_dblocks dq ? ; number of data blocks |
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140 | sb_rblocks dq ? ; number of realtime blocks (not supported yet!) |
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141 | sb_rextents dq ? ; number of realtime extents (not supported yet!) |
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142 | sb_uuid rb 16 ; file system unique identifier |
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143 | sb_logstart dq ? ; starting block of log (for internal journal; journals on separate devices are not supported!) |
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144 | sb_rootino dq ? ; root inode number |
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145 | sb_rbmino dq ? ; bitmap inode for realtime extents (ignored) |
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146 | sb_rsumino dq ? ; summary inode for rt bitmap (ignored) |
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147 | sb_rextsize dd ? ; realtime extent size, blocks |
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148 | sb_agblocks dd ? ; size of an allocation group (the last one may be smaller!) |
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149 | sb_agcount dd ? ; number of allocation groups |
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150 | sb_rbmblocks dd ? ; number of rt bitmap blocks |
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151 | sb_logblocks dd ? ; number of log blocks |
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152 | sb_versionnum dw ? ; header version == XFS_SB_VERSION |
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153 | sb_sectsize dw ? ; volume sector size in bytes (only 512B sectors are supported) |
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154 | sb_inodesize dw ? ; inode size, bytes |
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155 | sb_inopblock dw ? ; inodes per block |
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156 | sb_fname rb 12 ; inodes per block (aka label) |
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157 | sb_blocklog db ? ; log2 of sb_blocksize |
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158 | sb_sectlog db ? ; log2 of sb_blocksize |
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159 | sb_inodelog db ? ; log2 of sb_inodesize |
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160 | sb_inopblog db ? ; log2 of sb_inopblock |
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161 | sb_agblklog db ? ; log2 of sb_agblocks (rounded up!) |
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162 | sb_rextslog db ? ; log2 of sb_rextents |
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163 | sb_inprogress db ? ; mkfs is in progress, don't mount |
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164 | sb_imax_pct db ? ; max % of fs for inode space |
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165 | ; statistics |
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166 | sb_icount dq ? ; allocated inodes |
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167 | sb_ifree dq ? ; free inodes |
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168 | sb_fdblocks dq ? ; free data blocks |
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169 | sb_frextents dq ? ; free realtime extents |
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170 | |||
171 | sb_uquotino dq ? ; user quota inode |
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172 | sb_gquotino dq ? ; group quota inode |
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173 | sb_qflags dw ? ; quota flags |
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174 | sb_flags db ? ; misc. flags |
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175 | sb_shared_vn db ? ; shared version number |
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176 | sb_inoalignmt dd ? ; inode chunk alignment, fsblocks |
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177 | sb_unit dd ? ; stripe or raid unit |
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178 | sb_width dd ? ; stripe or raid width |
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179 | sb_dirblklog db ? ; log2 of dir block size (fsbs) |
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180 | sb_logsectlog db ? ; log2 of the log sector size |
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181 | sb_logsectsize dw ? ; sector size for the log, bytes |
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182 | sb_logsunit dd ? ; stripe unit size for the log |
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183 | sb_features2 dd ? ; additional feature bits |
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184 | ends |
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185 | |||
186 | |||
187 | ; allocation group inode (xfs_ag.h) |
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188 | struct xfs_agi |
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189 | agi_magicnum dd ? ; magic number == XFS_AGI_MAGIC |
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190 | agi_versionnum dd ? ; header version == XFS_AGI_VERSION |
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191 | agi_seqno dd ? ; sequence number starting from 0 |
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192 | agi_length dd ? ; size in blocks of a.g. |
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193 | agi_count dd ? ; count of allocated inodes |
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194 | agi_root dd ? ; root of inode btree |
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195 | agi_level dd ? ; levels in inode btree |
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196 | agi_freecount dd ? ; number of free inodes |
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197 | agi_newino dd ? ; new inode just allocated |
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198 | agi_dirino dd ? ; last directory inode chunk |
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199 | agi_unlinked rd XFS_AGI_UNLINKED_BUCKETS ; Hash table of inodes which have been unlinked but are still being referenced |
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200 | ends |
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201 | |||
202 | |||
203 | ; superblock structure of b+tree node/leaf (same structure, bb_level matters) |
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204 | struct xfs_btree_sblock |
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205 | bb_magic dd ? |
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206 | bb_level dw ? ; distinguishes nodeds and leaves |
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207 | bb_numrecs dw ? |
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208 | bb_leftsib dd ? |
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209 | bb_rightsib dd ? |
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210 | ends |
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211 | |||
212 | |||
213 | ; record of b+tree inode |
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214 | struct xfs_inobt_rec |
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215 | ir_startino dd ? |
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216 | ir_freecount dd ? |
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217 | ir_free dq ? |
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218 | ends |
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219 | |||
220 | |||
221 | ; structure to store create, access and modification time in inode core |
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222 | struct xfs_timestamp |
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223 | t_sec dd ? |
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224 | t_nsec dd ? ; nanoseconds |
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225 | ends |
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226 | |||
227 | |||
228 | ; inode core structure: basic information about file |
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229 | struct xfs_dinode_core |
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230 | di_magic dw ? ; inode magic = XFS_DINODE_MAGIC |
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231 | di_mode dw ? ; mode and type of file |
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232 | di_version db ? ; inode version |
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233 | di_format db ? ; format of di_c data |
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234 | di_onlink dw ? ; old number of links to file |
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235 | di_uid dd ? ; owner's user id |
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236 | di_gid dd ? ; owner's group id |
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237 | di_nlink dd ? ; number of links to file |
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238 | di_projid dw ? ; owner's project id |
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239 | di_pad rb 8 ; unused, zeroed space |
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240 | di_flushiter dw ? ; incremented on flush |
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241 | di_atime xfs_timestamp ; time last accessed |
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242 | di_mtime xfs_timestamp ; time last modified |
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243 | di_ctime xfs_timestamp ; time created/inode modified |
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244 | di_size dq ? ; number of bytes in file |
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245 | di_nblocks dq ? ; number of direct & btree blocks used |
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246 | di_extsize dd ? ; basic/minimum extent size for file |
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247 | di_nextents dd ? ; number of extents in data fork |
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248 | di_anextents dw ? ; number of extents in attribute fork |
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249 | di_forkoff db ? ; attr fork offs, <<3 for 64b align |
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250 | di_aformat db ? ; format of attr fork's data |
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251 | di_dmevmask dd ? ; DMIG event mask |
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252 | di_dmstate dw ? ; DMIG state info |
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253 | di_flags dw ? ; random flags, XFS_DIFLAG_... |
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254 | di_gen dd ? ; generation number |
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255 | ends |
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256 | |||
257 | |||
258 | ; shortform dir header |
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259 | struct xfs_dir2_sf_hdr |
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260 | count db ? ; the number of directory entries, used only if each inode number fits 4 bytes; zero otherwise |
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261 | i8count db ? ; the number of directory entries, used only when count is zero |
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262 | parent dq ? ; parent inode number: xfs_dir2_inou_t (4 or 8 bytes) |
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263 | ends |
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264 | |||
265 | |||
266 | ; shortform dir entry |
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267 | struct xfs_dir2_sf_entry |
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268 | namelen db ? ; actual name length (ASCII) |
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269 | offset rb 2 ; saved offset |
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270 | name db ? ; name, variable size |
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271 | ; inumber dq ? ; xfs_dir2_inou_t |
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272 | ends |
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273 | |||
274 | |||
275 | ; active entry in a data block |
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276 | ; aligned to 8 bytes |
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277 | ; tag appears as the last 2 bytes |
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278 | struct xfs_dir2_data_entry |
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279 | inumber dq ? ; inode number |
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280 | namelen db ? ; name length |
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281 | name db ? ; name bytes, no null |
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282 | ; tag dw ? ; starting offset of us |
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283 | ends |
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284 | |||
285 | |||
286 | ; unused entry in a data block |
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287 | ; aligned to 8 bytes |
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288 | ; tag appears as the last 2 bytes |
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289 | struct xfs_dir2_data_unused |
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290 | freetag dw ? ; XFS_DIR2_DATA_FREE_TAG |
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291 | length dw ? ; total free length |
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292 | ; tag dw ? ; starting offset of us |
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293 | ends |
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294 | |||
295 | |||
296 | ; generic data entry |
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297 | struct xfs_dir2_data_union |
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298 | union |
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299 | xentry xfs_dir2_data_entry |
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300 | unused xfs_dir2_data_unused |
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301 | ends |
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302 | ends |
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303 | |||
304 | |||
305 | ; describe a free area in the data block |
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306 | ; the freespace will be formatted as a xfs_dir2_data_unused_t |
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307 | struct xfs_dir2_data_free |
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308 | offset dw ? ; start of freespace |
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309 | length dw ? ; length of freespace |
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310 | ends |
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311 | |||
312 | |||
313 | ; header for the data blocks |
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314 | ; always at the beginning of a directory-sized block |
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315 | ; the code knows that XFS_DIR2_DATA_FD_COUNT is 3 |
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316 | struct xfs_dir2_data_hdr |
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317 | magic dd ? ; XFS_DIR2_DATA_MAGIC or XFS_DIR2_BLOCK_MAGIC |
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318 | bestfree xfs_dir2_data_free |
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319 | bestfree2 xfs_dir2_data_free |
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320 | bestfree3 xfs_dir2_data_free |
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321 | ends |
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322 | |||
323 | |||
324 | ; leaf block entry |
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325 | struct xfs_dir2_leaf_entry |
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326 | hashval dd ? ; hash value of name |
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327 | address dd ? ; address of data entry |
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328 | ends |
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329 | |||
330 | |||
331 | ; the tail of directory block |
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332 | struct xfs_dir2_block_tail |
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333 | count dd ? ; count of leaf entries |
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334 | stale dd ? ; count of stale leaf entries |
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335 | ends |
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336 | |||
337 | |||
338 | ; generic single-block structure, for xfs_db |
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339 | struct xfs_dir2_block |
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340 | hdr xfs_dir2_data_hdr |
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341 | u xfs_dir2_data_union |
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342 | ; leaf xfs_dir2_leaf_entry |
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343 | ; tail xfs_dir2_block_tail |
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344 | ends |
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345 | |||
346 | |||
347 | ; |
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348 | struct xfs_dir2_data |
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349 | hdr xfs_dir2_data_hdr ; magic XFS_DIR2_DATA_MAGIC |
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350 | u xfs_dir2_data_union |
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351 | ends |
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352 | |||
353 | |||
354 | ; |
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355 | struct xfs_da_blkinfo |
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356 | forw dd ? ; previous block in list |
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357 | back dd ? ; following block in list |
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358 | magic dw ? ; validity check on block |
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359 | pad dw ? ; unused |
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360 | ends |
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361 | |||
362 | |||
363 | ; leaf block header |
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364 | struct xfs_dir2_leaf_hdr |
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365 | info xfs_da_blkinfo ; header for da routines |
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366 | count dw ? ; count of entries |
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367 | stale dw ? ; count of stale entries |
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368 | ends |
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369 | |||
370 | |||
371 | ; leaf block tail |
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372 | struct xfs_dir2_leaf_tail |
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373 | bestcount dd ? |
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374 | ends |
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375 | |||
376 | |||
377 | ; leaf block |
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378 | ; bests and tail are at the end of the block for single-leaf only |
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379 | ; (magic = XFS_DIR2_LEAF1_MAGIC not XFS_DIR2_LEAFN_MAGIC) |
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380 | struct xfs_dir2_leaf |
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381 | hdr xfs_dir2_leaf_hdr ; leaf header |
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382 | ents xfs_dir2_leaf_entry ; entries |
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383 | ; bests dw ? ; best free counts |
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384 | ; tail xfs_dir2_leaf_tail ; leaf tail |
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385 | ends |
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386 | |||
387 | |||
388 | ; header of 'free' block part |
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389 | struct xfs_dir2_free_hdr |
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390 | magic dd ? ; XFS_DIR2_FREE_MAGIC |
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391 | firstdb dd ? ; db of first entry |
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392 | nvalid dd ? ; count of valid entries |
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393 | nused dd ? ; count of used entries |
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394 | ends |
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395 | |||
396 | |||
397 | ; 'free' part of directiry block |
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398 | struct xfs_dir2_free |
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399 | hdr xfs_dir2_free_hdr ; block header |
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400 | bests dw ? ; best free counts |
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401 | ; unused entries are -1 (XFS_NULL) |
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402 | ends |
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403 | |||
404 | |||
405 | ; b+tree node header |
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406 | struct xfs_da_node_hdr |
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407 | info xfs_da_blkinfo |
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408 | count dw ? |
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409 | level dw ? |
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410 | ends |
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411 | |||
412 | |||
413 | ; b+tree node |
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414 | struct xfs_da_node_entry |
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415 | hashval dd ? ; hash value for this descendant |
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416 | before dd ? ; Btree block before this key |
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417 | ends |
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418 | |||
419 | |||
420 | ; |
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421 | struct xfs_da_intnode |
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422 | hdr xfs_da_node_hdr |
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423 | btree xfs_da_node_entry |
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424 | ends |
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425 | |||
426 | |||
427 | ; packet extent |
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428 | struct xfs_bmbt_rec |
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429 | l0 dq ? |
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430 | l1 dq ? |
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431 | ends |
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432 | |||
433 | |||
434 | ; unpacked extent |
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435 | struct xfs_bmbt_irec |
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436 | br_startoff dq ? ; starting file offset |
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437 | br_startblock dq ? ; starting block number |
||
438 | br_blockcount dd ? ; number of blocks |
||
439 | br_state dd ? ; extent state |
||
440 | ends |
||
441 | |||
442 | |||
443 | ; bmap root header, on-disk form only |
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444 | struct xfs_bmdr_block |
||
445 | bb_level dw ? ; 0 is a leaf |
||
446 | bb_numrecs dw ? ; current number of data records |
||
447 | ends |
||
448 | |||
449 | |||
450 | ; key structure for non-leaf levels of the tree |
||
451 | struct xfs_bmbt_key |
||
452 | br_startoff dq ? ; starting file offset |
||
453 | ends |
||
454 | |||
455 | |||
456 | sizeof.xfs_bmbt_ptr = 8 ; workaround |
||
457 | sizeof.xfs_bmdr_ptr = 8 ; workaround |
||
458 | |||
459 | |||
460 | ; long form header: bmap btrees |
||
461 | ; xfs_btree_lblock is xfs_bmbt_block (xfs_btree.h) |
||
462 | struct xfs_bmbt_block |
||
463 | bb_magic dd ? ; magic number for block type |
||
464 | bb_level dw ? ; 0 is a leaf |
||
465 | bb_numrecs dw ? ; current number of data records |
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466 | bb_leftsib dq ? ; left sibling block or NULLDFSBNO |
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467 | bb_rightsib dq ? ; right sibling block or NULLDFSBNO |
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468 | ends |
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469 | |||
470 | |||
471 | ; high level inode structure |
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472 | struct xfs_inode |
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473 | di_core xfs_dinode_core ; main info, aka core |
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474 | di_next_unlinked dd ? ; unlinked but still used inode (if any, XFS_NULL otherwise) |
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475 | di_u db ? ; data fork inode part |
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476 | ; di_a db ? ; data attribute |
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477 | ends |
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478 | |||
479 | |||
480 | ; internal data for every XFS partition |
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481 | ; this _is_ XFS partition structure |
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482 | ; most fields are unpacked or bswap'ed values from the superblock, so see xfs_sb structure above |
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483 | struct XFS PARTITION |
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484 | Lock MUTEX ? ; access mutex |
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485 | blocksize dd ? |
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486 | sectsize dd ? |
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487 | dirblocksize dd ? |
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488 | rootino dq ? |
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489 | cur_block dd ? |
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490 | cur_inode dd ? |
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491 | cur_sect dd ? |
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492 | cur_dirblock dd ? |
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493 | tmp_inode dd ? |
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494 | versionnum dd ? |
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495 | features2 dd ? |
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496 | inodesize dd ? |
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497 | inopblock dd ? |
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498 | blocklog dd ? |
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499 | sectlog dd ? |
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500 | inodelog dd ? |
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501 | inopblog dd ? |
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502 | agblklog dd ? |
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503 | blockmsectlog dd ? |
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504 | inodetoblocklog dd ? |
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505 | dirblklog dd ? |
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506 | sectpblock dd ? |
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507 | agblocks dd ? |
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508 | ; helpers, temporary vars, etc |
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509 | agblockmask dq ? |
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510 | extent xfs_bmbt_irec |
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511 | left_extents dd ? |
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512 | left_leaves dd ? |
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513 | bytes_to_read dd ? |
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514 | bytes_read dd ? |
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515 | entries_read dd ? |
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516 | file_offset dq ? |
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517 | max_dirblockaddr dd ? |
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518 | next_block_num dq ? |
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519 | dir2_leaf_offset_blocks dd ? |
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520 | dir2_free_offset_blocks dd ? |
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521 | cur_inode_save dd ? |
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522 | bytes_left_in_file dq ? |
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523 | ro_nextents dd ? |
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524 | bb_ptrs dd ? |
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525 | maxnumrecs dd ? |
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526 | buffer_pos dd ? |
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527 | eof dd ? |
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528 | ends3><3> |