btrfs: Split off btrfstree and btrfsprim sub-packages

1 files changed, 0 insertions, 148 deletions

diff --git a/lib/btrfs/internal/objid.go b/lib/btrfs/internal/objid.go
deleted file mode 100644
index fa9eb4d..0000000
--- a/lib/btrfs/internal/objid.go
+++ /dev/null
@@ -1,148 +0,0 @@
-// Copyright (C) 2022  Luke Shumaker <lukeshu@lukeshu.com>
-//
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-package internal
-
-import (
-	"fmt"
-)
-
-type ObjID uint64
-
-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.
-
-	// Objects in the DEV_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
-
-	// All files have objectids in this range.
-	FIRST_FREE_OBJECTID = ObjID(256)
-	LAST_FREE_OBJECTID  = ObjID(maxUint64pp - 256)
-
-	FIRST_CHUNK_TREE_OBJECTID = ObjID(256)
-
-	// Objects in the CHUNK_TREE
-	DEV_ITEMS_OBJECTID = ObjID(1)
-
-	// ???
-	EMPTY_SUBVOL_DIR_OBJECTID = ObjID(2)
-)
-
-func (id ObjID) Format(typ ItemType) string {
-	switch typ {
-	case PERSISTENT_ITEM_KEY:
-		names := map[ObjID]string{
-			DEV_STATS_OBJECTID: "DEV_STATS",
-		}
-		if name, ok := names[id]; ok {
-			return name
-		}
-		return fmt.Sprintf("%d", int64(id))
-	case DEV_EXTENT_KEY:
-		return fmt.Sprintf("%d", int64(id))
-	case QGROUP_RELATION_KEY:
-		return fmt.Sprintf("%d/%d",
-			uint64(id)>>48,
-			uint64(id)&((1<<48)-1))
-	case UUID_SUBVOL_KEY, UUID_RECEIVED_SUBVOL_KEY:
-		return fmt.Sprintf("%#016x", uint64(id))
-	case DEV_ITEM_KEY:
-		names := map[ObjID]string{
-			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
-		}
-		return fmt.Sprintf("%d", int64(id))
-	case CHUNK_ITEM_KEY:
-		names := map[ObjID]string{
-			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
-		}
-		return fmt.Sprintf("%d", int64(id))
-	default:
-		names := map[ObjID]string{
-			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
-		}
-		return fmt.Sprintf("%d", int64(id))
-	}
-}
-
-func (id ObjID) String() string {
-	return id.Format(UNTYPED_KEY)
-}