1 files changed, 0 insertions, 137 deletions
diff --git a/pkg/btrfs/btrfsitem/item_fileextent.go b/pkg/btrfs/btrfsitem/item_fileextent.go
deleted file mode 100644
index f480207..0000000
--- a/pkg/btrfs/btrfsitem/item_fileextent.go
+++ /dev/null
@@ -1,137 +0,0 @@
-package btrfsitem
-
-import (
-	"fmt"
-
-	"lukeshu.com/btrfs-tools/pkg/binstruct"
-	"lukeshu.com/btrfs-tools/pkg/btrfs/btrfsvol"
-	"lukeshu.com/btrfs-tools/pkg/btrfs/internal"
-)
-
-// key.objectid = inode
-// key.offset = offset within file
-type FileExtent struct { // EXTENT_DATA=108
-	Generation internal.Generation `bin:"off=0x0, siz=0x8"` // transaction ID that created this extent
-	RAMBytes   int64               `bin:"off=0x8, siz=0x8"` // upper bound of what compressed data will decompress to
-
-	// 32 bits describing the data encoding
-	Compression   CompressionType `bin:"off=0x10, siz=0x1"`
-	Encryption    uint8           `bin:"off=0x11, siz=0x1"`
-	OtherEncoding uint16          `bin:"off=0x12, siz=0x2"` // reserved for later use
-
-	Type FileExtentType `bin:"off=0x14, siz=0x1"` // inline data or real extent
-
-	binstruct.End `bin:"off=0x15"`
-
-	// only one of these, depending on .Type
-	BodyInline []byte   `bin:"-"` // .Type == FILE_EXTENT_INLINE
-	BodyExtent struct { // .Type == FILE_EXTENT_REG or FILE_EXTENT_PREALLOC
-		// Position and size of extent within the device
-		DiskByteNr   btrfsvol.LogicalAddr `bin:"off=0x0, siz=0x8"`
-		DiskNumBytes btrfsvol.AddrDelta   `bin:"off=0x8, siz=0x8"`
-
-		// Position of data within the extent
-		Offset btrfsvol.AddrDelta `bin:"off=0x10, siz=0x8"`
-
-		// Decompressed/unencrypted size
-		NumBytes int64 `bin:"off=0x18, siz=0x8"`
-
-		binstruct.End `bin:"off=0x20"`
-	} `bin:"-"`
-}
-
-func (o *FileExtent) UnmarshalBinary(dat []byte) (int, error) {
-	n, err := binstruct.UnmarshalWithoutInterface(dat, o)
-	if err != nil {
-		return n, err
-	}
-	switch o.Type {
-	case FILE_EXTENT_INLINE:
-		o.BodyInline = dat[n:]
-		n += len(o.BodyInline)
-	case FILE_EXTENT_REG, FILE_EXTENT_PREALLOC:
-		_n, err := binstruct.Unmarshal(dat[n:], &o.BodyExtent)
-		n += _n
-		if err != nil {
-			return n, err
-		}
-	default:
-		return n, fmt.Errorf("unknown file extent type %v", o.Type)
-	}
-	return n, nil
-}
-
-func (o FileExtent) MarshalBinary() ([]byte, error) {
-	dat, err := binstruct.MarshalWithoutInterface(o)
-	if err != nil {
-		return dat, err
-	}
-	switch o.Type {
-	case FILE_EXTENT_INLINE:
-		dat = append(dat, o.BodyInline...)
-	case FILE_EXTENT_REG, FILE_EXTENT_PREALLOC:
-		bs, err := binstruct.Marshal(o.BodyExtent)
-		dat = append(dat, bs...)
-		if err != nil {
-			return dat, err
-		}
-	default:
-		return dat, fmt.Errorf("unknown file extent type %v", o.Type)
-	}
-	return dat, nil
-}
-
-type FileExtentType uint8
-
-const (
-	FILE_EXTENT_INLINE = FileExtentType(iota)
-	FILE_EXTENT_REG
-	FILE_EXTENT_PREALLOC
-)
-
-func (o FileExtent) Size() (int64, error) {
-	switch o.Type {
-	case FILE_EXTENT_INLINE:
-		return int64(len(o.BodyInline)), nil
-	case FILE_EXTENT_REG, FILE_EXTENT_PREALLOC:
-		return o.BodyExtent.NumBytes, nil
-	default:
-		return 0, fmt.Errorf("unknown file extent type %v", o.Type)
-	}
-}
-
-func (fet FileExtentType) String() string {
-	names := map[FileExtentType]string{
-		FILE_EXTENT_INLINE:   "inline",
-		FILE_EXTENT_REG:      "regular",
-		FILE_EXTENT_PREALLOC: "prealloc",
-	}
-	name, ok := names[fet]
-	if !ok {
-		name = "unknown"
-	}
-	return fmt.Sprintf("%d (%s)", fet, name)
-}
-
-type CompressionType uint8
-
-const (
-	COMPRESS_NONE = CompressionType(iota)
-	COMPRESS_ZLIB
-	COMPRESS_LZO
-	COMPRESS_ZSTD
-)
-
-func (ct CompressionType) String() string {
-	names := map[CompressionType]string{
-		COMPRESS_NONE: "none",
-		COMPRESS_ZLIB: "zlib",
-		COMPRESS_LZO:  "lzo",
-		COMPRESS_ZSTD: "zstd",
-	}
-	name, ok := names[ct]
-	if !ok {
-		name = "unknown"
-	}
-	return fmt.Sprintf("%d (%s)", ct, name)
-}