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path: root/pkg/btrfs/internal/objid.go
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Diffstat (limited to 'pkg/btrfs/internal/objid.go')
-rw-r--r--pkg/btrfs/internal/objid.go150
1 files changed, 75 insertions, 75 deletions
diff --git a/pkg/btrfs/internal/objid.go b/pkg/btrfs/internal/objid.go
index c3b25f3..a53d61f 100644
--- a/pkg/btrfs/internal/objid.go
+++ b/pkg/btrfs/internal/objid.go
@@ -10,52 +10,52 @@ type ObjID uint64
const (
// The IDs of the various trees
- BTRFS_ROOT_TREE_OBJECTID = ObjID(1) // holds pointers to all of the tree roots
- BTRFS_EXTENT_TREE_OBJECTID = ObjID(2) // stores information about which extents are in use, and reference counts
- BTRFS_CHUNK_TREE_OBJECTID = ObjID(3) // chunk tree stores translations from logical -> physical block numbering
- BTRFS_DEV_TREE_OBJECTID = ObjID(4) // stores info about which areas of a given device are in use; one per device
- BTRFS_FS_TREE_OBJECTID = ObjID(5) // one per subvolume, storing files and directories
- BTRFS_ROOT_TREE_DIR_OBJECTID = ObjID(6) // directory objectid inside the root tree
- BTRFS_CSUM_TREE_OBJECTID = ObjID(7) // holds checksums of all the data extents
- BTRFS_QUOTA_TREE_OBJECTID = ObjID(8)
- BTRFS_UUID_TREE_OBJECTID = ObjID(9) // for storing items that use the BTRFS_UUID_*_KEY
- BTRFS_FREE_SPACE_TREE_OBJECTID = ObjID(10) // tracks free space in block groups.
- BTRFS_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
- BTRFS_DEV_STATS_OBJECTID = ObjID(0) // device stats in the device tree
+ DEV_STATS_OBJECTID = ObjID(0) // device stats in the device tree
// ???
- BTRFS_BALANCE_OBJECTID = ObjID(util.MaxUint64pp - 4) // for storing balance parameters in the root tree
- BTRFS_ORPHAN_OBJECTID = ObjID(util.MaxUint64pp - 5) // orphan objectid for tracking unlinked/truncated files
- BTRFS_TREE_LOG_OBJECTID = ObjID(util.MaxUint64pp - 6) // does write ahead logging to speed up fsyncs
- BTRFS_TREE_LOG_FIXUP_OBJECTID = ObjID(util.MaxUint64pp - 7)
- BTRFS_TREE_RELOC_OBJECTID = ObjID(util.MaxUint64pp - 8) // space balancing
- BTRFS_DATA_RELOC_TREE_OBJECTID = ObjID(util.MaxUint64pp - 9)
- BTRFS_EXTENT_CSUM_OBJECTID = ObjID(util.MaxUint64pp - 10) // extent checksums all have this objectid
- BTRFS_FREE_SPACE_OBJECTID = ObjID(util.MaxUint64pp - 11) // For storing free space cache
- BTRFS_FREE_INO_OBJECTID = ObjID(util.MaxUint64pp - 12) // stores the inode number for the free-ino cache
-
- BTRFS_MULTIPLE_OBJECTIDS = ObjID(util.MaxUint64pp - 255) // dummy objectid represents multiple objectids
+ BALANCE_OBJECTID = ObjID(util.MaxUint64pp - 4) // for storing balance parameters in the root tree
+ ORPHAN_OBJECTID = ObjID(util.MaxUint64pp - 5) // orphan objectid for tracking unlinked/truncated files
+ TREE_LOG_OBJECTID = ObjID(util.MaxUint64pp - 6) // does write ahead logging to speed up fsyncs
+ TREE_LOG_FIXUP_OBJECTID = ObjID(util.MaxUint64pp - 7)
+ TREE_RELOC_OBJECTID = ObjID(util.MaxUint64pp - 8) // space balancing
+ DATA_RELOC_TREE_OBJECTID = ObjID(util.MaxUint64pp - 9)
+ EXTENT_CSUM_OBJECTID = ObjID(util.MaxUint64pp - 10) // extent checksums all have this objectid
+ FREE_SPACE_OBJECTID = ObjID(util.MaxUint64pp - 11) // For storing free space cache
+ FREE_INO_OBJECTID = ObjID(util.MaxUint64pp - 12) // stores the inode number for the free-ino cache
+
+ MULTIPLE_OBJECTIDS = ObjID(util.MaxUint64pp - 255) // dummy objectid represents multiple objectids
// All files have objectids in this range.
- BTRFS_FIRST_FREE_OBJECTID = ObjID(256)
- BTRFS_LAST_FREE_OBJECTID = ObjID(util.MaxUint64pp - 256)
+ FIRST_FREE_OBJECTID = ObjID(256)
+ LAST_FREE_OBJECTID = ObjID(util.MaxUint64pp - 256)
- BTRFS_FIRST_CHUNK_TREE_OBJECTID = ObjID(256)
+ FIRST_CHUNK_TREE_OBJECTID = ObjID(256)
// Objects in the CHUNK_TREE
- BTRFS_DEV_ITEMS_OBJECTID = ObjID(1)
+ DEV_ITEMS_OBJECTID = ObjID(1)
// ???
- BTRFS_EMPTY_SUBVOL_DIR_OBJECTID = ObjID(2)
+ EMPTY_SUBVOL_DIR_OBJECTID = ObjID(2)
)
func (id ObjID) Format(typ ItemType) string {
switch typ {
case PERSISTENT_ITEM_KEY:
names := map[ObjID]string{
- BTRFS_DEV_STATS_OBJECTID: "DEV_STATS",
+ DEV_STATS_OBJECTID: "DEV_STATS",
}
if name, ok := names[id]; ok {
return name
@@ -71,18 +71,18 @@ func (id ObjID) Format(typ ItemType) string {
return fmt.Sprintf("0x%016x", uint64(id))
case DEV_ITEM_KEY:
names := map[ObjID]string{
- BTRFS_BALANCE_OBJECTID: "BALANCE",
- BTRFS_ORPHAN_OBJECTID: "ORPHAN",
- BTRFS_TREE_LOG_OBJECTID: "TREE_LOG",
- BTRFS_TREE_LOG_FIXUP_OBJECTID: "TREE_LOG_FIXUP",
- BTRFS_TREE_RELOC_OBJECTID: "TREE_RELOC",
- BTRFS_DATA_RELOC_TREE_OBJECTID: "DATA_RELOC_TREE",
- BTRFS_EXTENT_CSUM_OBJECTID: "EXTENT_CSUM",
- BTRFS_FREE_SPACE_OBJECTID: "FREE_SPACE",
- BTRFS_FREE_INO_OBJECTID: "FREE_INO",
- BTRFS_MULTIPLE_OBJECTIDS: "MULTIPLE",
-
- BTRFS_DEV_ITEMS_OBJECTID: "DEV_ITEMS",
+ BALANCE_OBJECTID: "BALANCE",
+ ORPHAN_OBJECTID: "ORPHAN",
+ TREE_LOG_OBJECTID: "TREE_LOG",
+ TREE_LOG_FIXUP_OBJECTID: "TREE_LOG_FIXUP",
+ TREE_RELOC_OBJECTID: "TREE_RELOC",
+ DATA_RELOC_TREE_OBJECTID: "DATA_RELOC_TREE",
+ EXTENT_CSUM_OBJECTID: "EXTENT_CSUM",
+ FREE_SPACE_OBJECTID: "FREE_SPACE",
+ FREE_INO_OBJECTID: "FREE_INO",
+ MULTIPLE_OBJECTIDS: "MULTIPLE",
+
+ DEV_ITEMS_OBJECTID: "DEV_ITEMS",
}
if name, ok := names[id]; ok {
return name
@@ -90,18 +90,18 @@ func (id ObjID) Format(typ ItemType) string {
return fmt.Sprintf("%d", int64(id))
case CHUNK_ITEM_KEY:
names := map[ObjID]string{
- BTRFS_BALANCE_OBJECTID: "BALANCE",
- BTRFS_ORPHAN_OBJECTID: "ORPHAN",
- BTRFS_TREE_LOG_OBJECTID: "TREE_LOG",
- BTRFS_TREE_LOG_FIXUP_OBJECTID: "TREE_LOG_FIXUP",
- BTRFS_TREE_RELOC_OBJECTID: "TREE_RELOC",
- BTRFS_DATA_RELOC_TREE_OBJECTID: "DATA_RELOC_TREE",
- BTRFS_EXTENT_CSUM_OBJECTID: "EXTENT_CSUM",
- BTRFS_FREE_SPACE_OBJECTID: "FREE_SPACE",
- BTRFS_FREE_INO_OBJECTID: "FREE_INO",
- BTRFS_MULTIPLE_OBJECTIDS: "MULTIPLE",
-
- BTRFS_FIRST_CHUNK_TREE_OBJECTID: "FIRST_CHUNK_TREE",
+ BALANCE_OBJECTID: "BALANCE",
+ ORPHAN_OBJECTID: "ORPHAN",
+ TREE_LOG_OBJECTID: "TREE_LOG",
+ TREE_LOG_FIXUP_OBJECTID: "TREE_LOG_FIXUP",
+ TREE_RELOC_OBJECTID: "TREE_RELOC",
+ DATA_RELOC_TREE_OBJECTID: "DATA_RELOC_TREE",
+ EXTENT_CSUM_OBJECTID: "EXTENT_CSUM",
+ FREE_SPACE_OBJECTID: "FREE_SPACE",
+ FREE_INO_OBJECTID: "FREE_INO",
+ MULTIPLE_OBJECTIDS: "MULTIPLE",
+
+ FIRST_CHUNK_TREE_OBJECTID: "FIRST_CHUNK_TREE",
}
if name, ok := names[id]; ok {
return name
@@ -109,28 +109,28 @@ func (id ObjID) Format(typ ItemType) string {
return fmt.Sprintf("%d", int64(id))
default:
names := map[ObjID]string{
- BTRFS_BALANCE_OBJECTID: "BALANCE",
- BTRFS_ORPHAN_OBJECTID: "ORPHAN",
- BTRFS_TREE_LOG_OBJECTID: "TREE_LOG",
- BTRFS_TREE_LOG_FIXUP_OBJECTID: "TREE_LOG_FIXUP",
- BTRFS_TREE_RELOC_OBJECTID: "TREE_RELOC",
- BTRFS_DATA_RELOC_TREE_OBJECTID: "DATA_RELOC_TREE",
- BTRFS_EXTENT_CSUM_OBJECTID: "EXTENT_CSUM",
- BTRFS_FREE_SPACE_OBJECTID: "FREE_SPACE",
- BTRFS_FREE_INO_OBJECTID: "FREE_INO",
- BTRFS_MULTIPLE_OBJECTIDS: "MULTIPLE",
-
- BTRFS_ROOT_TREE_OBJECTID: "ROOT_TREE",
- BTRFS_EXTENT_TREE_OBJECTID: "EXTENT_TREE",
- BTRFS_CHUNK_TREE_OBJECTID: "CHUNK_TREE",
- BTRFS_DEV_TREE_OBJECTID: "DEV_TREE",
- BTRFS_FS_TREE_OBJECTID: "FS_TREE",
- BTRFS_ROOT_TREE_DIR_OBJECTID: "ROOT_TREE_DIR",
- BTRFS_CSUM_TREE_OBJECTID: "CSUM_TREE",
- BTRFS_QUOTA_TREE_OBJECTID: "QUOTA_TREE",
- BTRFS_UUID_TREE_OBJECTID: "UUID_TREE",
- BTRFS_FREE_SPACE_TREE_OBJECTID: "FREE_SPACE_TREE",
- BTRFS_BLOCK_GROUP_TREE_OBJECTID: "BLOCK_GROUP_TREE",
+ BALANCE_OBJECTID: "BALANCE",
+ ORPHAN_OBJECTID: "ORPHAN",
+ TREE_LOG_OBJECTID: "TREE_LOG",
+ TREE_LOG_FIXUP_OBJECTID: "TREE_LOG_FIXUP",
+ TREE_RELOC_OBJECTID: "TREE_RELOC",
+ DATA_RELOC_TREE_OBJECTID: "DATA_RELOC_TREE",
+ EXTENT_CSUM_OBJECTID: "EXTENT_CSUM",
+ FREE_SPACE_OBJECTID: "FREE_SPACE",
+ FREE_INO_OBJECTID: "FREE_INO",
+ MULTIPLE_OBJECTIDS: "MULTIPLE",
+
+ ROOT_TREE_OBJECTID: "ROOT_TREE",
+ EXTENT_TREE_OBJECTID: "EXTENT_TREE",
+ CHUNK_TREE_OBJECTID: "CHUNK_TREE",
+ DEV_TREE_OBJECTID: "DEV_TREE",
+ FS_TREE_OBJECTID: "FS_TREE",
+ ROOT_TREE_DIR_OBJECTID: "ROOT_TREE_DIR",
+ CSUM_TREE_OBJECTID: "CSUM_TREE",
+ QUOTA_TREE_OBJECTID: "QUOTA_TREE",
+ UUID_TREE_OBJECTID: "UUID_TREE",
+ FREE_SPACE_TREE_OBJECTID: "FREE_SPACE_TREE",
+ BLOCK_GROUP_TREE_OBJECTID: "BLOCK_GROUP_TREE",
}
if name, ok := names[id]; ok {
return name
generated by cgit v1.2.3-2-g168b (git 2.25.1) at 2025-03-19 21:29:14 +0000