diff options
Diffstat (limited to 'lib/btrfs/btrfsprim')
| -rw-r--r-- | lib/btrfs/btrfsprim/itemtype.go | 64 | ||||
| -rw-r--r-- | lib/btrfs/btrfsprim/objid.go | 56 |
2 files changed, 60 insertions, 60 deletions
diff --git a/lib/btrfs/btrfsprim/itemtype.go b/lib/btrfs/btrfsprim/itemtype.go index 0b6baee..dba7ced 100644 --- a/lib/btrfs/btrfsprim/itemtype.go +++ b/lib/btrfs/btrfsprim/itemtype.go @@ -7,38 +7,38 @@ import "fmt" type ItemType uint8 const ( - BLOCK_GROUP_ITEM_KEY = ItemType(192) - CHUNK_ITEM_KEY = ItemType(228) - DEV_EXTENT_KEY = ItemType(204) - DEV_ITEM_KEY = ItemType(216) - DIR_INDEX_KEY = ItemType(96) - DIR_ITEM_KEY = ItemType(84) - EXTENT_CSUM_KEY = ItemType(128) - EXTENT_DATA_KEY = ItemType(108) - EXTENT_DATA_REF_KEY = ItemType(178) - EXTENT_ITEM_KEY = ItemType(168) - FREE_SPACE_BITMAP_KEY = ItemType(200) - FREE_SPACE_EXTENT_KEY = ItemType(199) - FREE_SPACE_INFO_KEY = ItemType(198) - INODE_ITEM_KEY = ItemType(1) - INODE_REF_KEY = ItemType(12) - METADATA_ITEM_KEY = ItemType(169) - ORPHAN_ITEM_KEY = ItemType(48) - PERSISTENT_ITEM_KEY = ItemType(249) - QGROUP_INFO_KEY = ItemType(242) - QGROUP_LIMIT_KEY = ItemType(244) - QGROUP_RELATION_KEY = ItemType(246) - QGROUP_STATUS_KEY = ItemType(240) - ROOT_BACKREF_KEY = ItemType(144) - ROOT_ITEM_KEY = ItemType(132) - ROOT_REF_KEY = ItemType(156) - SHARED_BLOCK_REF_KEY = ItemType(182) - SHARED_DATA_REF_KEY = ItemType(184) - TREE_BLOCK_REF_KEY = ItemType(176) - UNTYPED_KEY = ItemType(0) - UUID_RECEIVED_SUBVOL_KEY = ItemType(252) - UUID_SUBVOL_KEY = ItemType(251) - XATTR_ITEM_KEY = ItemType(24) + BLOCK_GROUP_ITEM_KEY ItemType = 192 + CHUNK_ITEM_KEY ItemType = 228 + DEV_EXTENT_KEY ItemType = 204 + DEV_ITEM_KEY ItemType = 216 + DIR_INDEX_KEY ItemType = 96 + DIR_ITEM_KEY ItemType = 84 + EXTENT_CSUM_KEY ItemType = 128 + EXTENT_DATA_KEY ItemType = 108 + EXTENT_DATA_REF_KEY ItemType = 178 + EXTENT_ITEM_KEY ItemType = 168 + FREE_SPACE_BITMAP_KEY ItemType = 200 + FREE_SPACE_EXTENT_KEY ItemType = 199 + FREE_SPACE_INFO_KEY ItemType = 198 + INODE_ITEM_KEY ItemType = 1 + INODE_REF_KEY ItemType = 12 + METADATA_ITEM_KEY ItemType = 169 + ORPHAN_ITEM_KEY ItemType = 48 + PERSISTENT_ITEM_KEY ItemType = 249 + QGROUP_INFO_KEY ItemType = 242 + QGROUP_LIMIT_KEY ItemType = 244 + QGROUP_RELATION_KEY ItemType = 246 + QGROUP_STATUS_KEY ItemType = 240 + ROOT_BACKREF_KEY ItemType = 144 + ROOT_ITEM_KEY ItemType = 132 + ROOT_REF_KEY ItemType = 156 + SHARED_BLOCK_REF_KEY ItemType = 182 + SHARED_DATA_REF_KEY ItemType = 184 + TREE_BLOCK_REF_KEY ItemType = 176 + UNTYPED_KEY ItemType = 0 + UUID_RECEIVED_SUBVOL_KEY ItemType = 252 + UUID_SUBVOL_KEY ItemType = 251 + XATTR_ITEM_KEY ItemType = 24 ) func (t ItemType) String() string { diff --git a/lib/btrfs/btrfsprim/objid.go b/lib/btrfs/btrfsprim/objid.go index 8ad290b..5896030 100644 --- a/lib/btrfs/btrfsprim/objid.go +++ b/lib/btrfs/btrfsprim/objid.go @@ -14,45 +14,45 @@ const maxUint64pp = 0x1_00000000_00000000 const ( // The IDs of the various trees - ROOT_TREE_OBJECTID = ObjID(1) // holds pointers to all of the tree roots - EXTENT_TREE_OBJECTID = ObjID(2) // stores information about which extents are in use, and reference counts - CHUNK_TREE_OBJECTID = ObjID(3) // chunk tree stores translations from logical -> physical block numbering - DEV_TREE_OBJECTID = ObjID(4) // stores info about which areas of a given device are in use; one per device - FS_TREE_OBJECTID = ObjID(5) // one per subvolume, storing files and directories - ROOT_TREE_DIR_OBJECTID = ObjID(6) // directory objectid inside the root tree - CSUM_TREE_OBJECTID = ObjID(7) // holds checksums of all the data extents - QUOTA_TREE_OBJECTID = ObjID(8) - UUID_TREE_OBJECTID = ObjID(9) // for storing items that use the UUID_*_KEY - FREE_SPACE_TREE_OBJECTID = ObjID(10) // tracks free space in block groups. - BLOCK_GROUP_TREE_OBJECTID = ObjID(11) // hold the block group items. + ROOT_TREE_OBJECTID ObjID = 1 // holds pointers to all of the tree roots + EXTENT_TREE_OBJECTID ObjID = 2 // stores information about which extents are in use, and reference counts + CHUNK_TREE_OBJECTID ObjID = 3 // chunk tree stores translations from logical -> physical block numbering + DEV_TREE_OBJECTID ObjID = 4 // stores info about which areas of a given device are in use; one per device + FS_TREE_OBJECTID ObjID = 5 // one per subvolume, storing files and directories + ROOT_TREE_DIR_OBJECTID ObjID = 6 // directory objectid inside the root tree + CSUM_TREE_OBJECTID ObjID = 7 // holds checksums of all the data extents + QUOTA_TREE_OBJECTID ObjID = 8 + UUID_TREE_OBJECTID ObjID = 9 // for storing items that use the UUID_*_KEY + FREE_SPACE_TREE_OBJECTID ObjID = 10 // tracks free space in block groups. + BLOCK_GROUP_TREE_OBJECTID ObjID = 11 // hold the block group items. // Objects in the DEV_TREE - DEV_STATS_OBJECTID = ObjID(0) // device stats in the device tree + DEV_STATS_OBJECTID ObjID = 0 // device stats in the device tree // ??? - BALANCE_OBJECTID = ObjID(maxUint64pp - 4) // for storing balance parameters in the root tree - ORPHAN_OBJECTID = ObjID(maxUint64pp - 5) // orphan objectid for tracking unlinked/truncated files - TREE_LOG_OBJECTID = ObjID(maxUint64pp - 6) // does write ahead logging to speed up fsyncs - TREE_LOG_FIXUP_OBJECTID = ObjID(maxUint64pp - 7) - TREE_RELOC_OBJECTID = ObjID(maxUint64pp - 8) // space balancing - DATA_RELOC_TREE_OBJECTID = ObjID(maxUint64pp - 9) - EXTENT_CSUM_OBJECTID = ObjID(maxUint64pp - 10) // extent checksums all have this objectid - FREE_SPACE_OBJECTID = ObjID(maxUint64pp - 11) // For storing free space cache - FREE_INO_OBJECTID = ObjID(maxUint64pp - 12) // stores the inode number for the free-ino cache - - MULTIPLE_OBJECTIDS = ObjID(maxUint64pp - 255) // dummy objectid represents multiple objectids + BALANCE_OBJECTID ObjID = maxUint64pp - 4 // for storing balance parameters in the root tree + ORPHAN_OBJECTID ObjID = maxUint64pp - 5 // orphan objectid for tracking unlinked/truncated files + TREE_LOG_OBJECTID ObjID = maxUint64pp - 6 // does write ahead logging to speed up fsyncs + TREE_LOG_FIXUP_OBJECTID ObjID = maxUint64pp - 7 + TREE_RELOC_OBJECTID ObjID = maxUint64pp - 8 // space balancing + DATA_RELOC_TREE_OBJECTID ObjID = maxUint64pp - 9 + EXTENT_CSUM_OBJECTID ObjID = maxUint64pp - 10 // extent checksums all have this objectid + FREE_SPACE_OBJECTID ObjID = maxUint64pp - 11 // For storing free space cache + FREE_INO_OBJECTID ObjID = maxUint64pp - 12 // stores the inode number for the free-ino cache + + MULTIPLE_OBJECTIDS ObjID = maxUint64pp - 255 // dummy objectid represents multiple objectids // All files have objectids in this range. - FIRST_FREE_OBJECTID = ObjID(256) - LAST_FREE_OBJECTID = ObjID(maxUint64pp - 256) + FIRST_FREE_OBJECTID ObjID = 256 + LAST_FREE_OBJECTID ObjID = maxUint64pp - 256 - FIRST_CHUNK_TREE_OBJECTID = ObjID(256) + FIRST_CHUNK_TREE_OBJECTID ObjID = 256 // Objects in the CHUNK_TREE - DEV_ITEMS_OBJECTID = ObjID(1) + DEV_ITEMS_OBJECTID ObjID = 1 // ??? - EMPTY_SUBVOL_DIR_OBJECTID = ObjID(2) + EMPTY_SUBVOL_DIR_OBJECTID ObjID = 2 ) func (id ObjID) Format(typ ItemType) string { |