diff options
Diffstat (limited to 'pkg/btrfs/btrfsitem')
24 files changed, 0 insertions, 1163 deletions
diff --git a/pkg/btrfs/btrfsitem/item_blockgroup.go b/pkg/btrfs/btrfsitem/item_blockgroup.go deleted file mode 100644 index 63cbcbb..0000000 --- a/pkg/btrfs/btrfsitem/item_blockgroup.go +++ /dev/null @@ -1,16 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/btrfsvol" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -// key.objectid = logical_addr -// key.offset = size of chunk -type BlockGroup struct { // BLOCK_GROUP_ITEM=192 - Used int64 `bin:"off=0, siz=8"` - ChunkObjectID internal.ObjID `bin:"off=8, siz=8"` // always BTRFS_FIRST_CHUNK_TREE_OBJECTID - Flags btrfsvol.BlockGroupFlags `bin:"off=16, siz=8"` - binstruct.End `bin:"off=24"` -} diff --git a/pkg/btrfs/btrfsitem/item_chunk.go b/pkg/btrfs/btrfsitem/item_chunk.go deleted file mode 100644 index f567506..0000000 --- a/pkg/btrfs/btrfsitem/item_chunk.go +++ /dev/null @@ -1,90 +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" - "lukeshu.com/btrfs-tools/pkg/util" -) - -// Maps logical address to physical. -// -// key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID -// key.offset = logical_addr -type Chunk struct { // CHUNK_ITEM=228 - Head ChunkHeader - Stripes []ChunkStripe -} - -type ChunkHeader struct { - Size btrfsvol.AddrDelta `bin:"off=0x0, siz=0x8"` - Owner internal.ObjID `bin:"off=0x8, siz=0x8"` // root referencing this chunk (always EXTENT_TREE_OBJECTID=2) - StripeLen uint64 `bin:"off=0x10, siz=0x8"` // ??? - Type btrfsvol.BlockGroupFlags `bin:"off=0x18, siz=0x8"` - IOOptimalAlign uint32 `bin:"off=0x20, siz=0x4"` - IOOptimalWidth uint32 `bin:"off=0x24, siz=0x4"` - IOMinSize uint32 `bin:"off=0x28, siz=0x4"` // sector size - NumStripes uint16 `bin:"off=0x2c, siz=0x2"` // [ignored-when-writing] - SubStripes uint16 `bin:"off=0x2e, siz=0x2"` // ??? - binstruct.End `bin:"off=0x30"` -} - -type ChunkStripe struct { - DeviceID btrfsvol.DeviceID `bin:"off=0x0, siz=0x8"` - Offset btrfsvol.PhysicalAddr `bin:"off=0x8, siz=0x8"` - DeviceUUID util.UUID `bin:"off=0x10, siz=0x10"` - binstruct.End `bin:"off=0x20"` -} - -func (chunk Chunk) Mappings(key internal.Key) []btrfsvol.Mapping { - ret := make([]btrfsvol.Mapping, 0, len(chunk.Stripes)) - for _, stripe := range chunk.Stripes { - ret = append(ret, btrfsvol.Mapping{ - LAddr: btrfsvol.LogicalAddr(key.Offset), - PAddr: btrfsvol.QualifiedPhysicalAddr{ - Dev: stripe.DeviceID, - Addr: stripe.Offset, - }, - Size: chunk.Head.Size, - SizeLocked: true, - Flags: &chunk.Head.Type, - }) - } - return ret -} - -func (chunk *Chunk) UnmarshalBinary(dat []byte) (int, error) { - n, err := binstruct.Unmarshal(dat, &chunk.Head) - if err != nil { - return n, err - } - chunk.Stripes = nil - for i := 0; i < int(chunk.Head.NumStripes); i++ { - var stripe ChunkStripe - _n, err := binstruct.Unmarshal(dat[n:], &stripe) - n += _n - if err != nil { - return n, fmt.Errorf("%T.UnmarshalBinary: %w", *chunk, err) - } - chunk.Stripes = append(chunk.Stripes, stripe) - } - return n, nil -} - -func (chunk Chunk) MarshalBinary() ([]byte, error) { - chunk.Head.NumStripes = uint16(len(chunk.Stripes)) - ret, err := binstruct.Marshal(chunk.Head) - if err != nil { - return ret, err - } - for _, stripe := range chunk.Stripes { - _ret, err := binstruct.Marshal(stripe) - ret = append(ret, _ret...) - if err != nil { - return ret, fmt.Errorf("%T.MarshalBinary: %w", chunk, err) - } - } - return ret, nil -} diff --git a/pkg/btrfs/btrfsitem/item_dev.go b/pkg/btrfs/btrfsitem/item_dev.go deleted file mode 100644 index e7b214a..0000000 --- a/pkg/btrfs/btrfsitem/item_dev.go +++ /dev/null @@ -1,33 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/btrfsvol" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" - "lukeshu.com/btrfs-tools/pkg/util" -) - -// key.objectid = BTRFS_DEV_ITEMS_OBJECTID -// key.offset = device_id (starting at 1) -type Dev struct { // DEV_ITEM=216 - DevID btrfsvol.DeviceID `bin:"off=0x0, siz=0x8"` - - NumBytes uint64 `bin:"off=0x8, siz=0x8"` - NumBytesUsed uint64 `bin:"off=0x10, siz=0x8"` - - IOOptimalAlign uint32 `bin:"off=0x18, siz=0x4"` - IOOptimalWidth uint32 `bin:"off=0x1c, siz=0x4"` - IOMinSize uint32 `bin:"off=0x20, siz=0x4"` // sector size - - Type uint64 `bin:"off=0x24, siz=0x8"` - Generation internal.Generation `bin:"off=0x2c, siz=0x8"` - StartOffset uint64 `bin:"off=0x34, siz=0x8"` - DevGroup uint32 `bin:"off=0x3c, siz=0x4"` - SeekSpeed uint8 `bin:"off=0x40, siz=0x1"` - Bandwidth uint8 `bin:"off=0x41, siz=0x1"` - - DevUUID util.UUID `bin:"off=0x42, siz=0x10"` - FSUUID util.UUID `bin:"off=0x52, siz=0x10"` - - binstruct.End `bin:"off=0x62"` -} diff --git a/pkg/btrfs/btrfsitem/item_devextent.go b/pkg/btrfs/btrfsitem/item_devextent.go deleted file mode 100644 index 56fba27..0000000 --- a/pkg/btrfs/btrfsitem/item_devextent.go +++ /dev/null @@ -1,32 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/btrfsvol" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" - "lukeshu.com/btrfs-tools/pkg/util" -) - -// key.objectid = device_id -// key.offset = physical_addr -type DevExtent struct { // DEV_EXTENT=204 - ChunkTree int64 `bin:"off=0, siz=8"` - ChunkObjectID internal.ObjID `bin:"off=8, siz=8"` - ChunkOffset btrfsvol.LogicalAddr `bin:"off=16, siz=8"` - Length btrfsvol.AddrDelta `bin:"off=24, siz=8"` - ChunkTreeUUID util.UUID `bin:"off=32, siz=16"` - binstruct.End `bin:"off=48"` -} - -func (devext DevExtent) Mapping(key internal.Key) btrfsvol.Mapping { - return btrfsvol.Mapping{ - LAddr: devext.ChunkOffset, - PAddr: btrfsvol.QualifiedPhysicalAddr{ - Dev: btrfsvol.DeviceID(key.ObjectID), - Addr: btrfsvol.PhysicalAddr(key.Offset), - }, - Size: devext.Length, - SizeLocked: true, - Flags: nil, - } -} diff --git a/pkg/btrfs/btrfsitem/item_dir.go b/pkg/btrfs/btrfsitem/item_dir.go deleted file mode 100644 index 2c4c75b..0000000 --- a/pkg/btrfs/btrfsitem/item_dir.go +++ /dev/null @@ -1,115 +0,0 @@ -package btrfsitem - -import ( - "fmt" - "hash/crc32" - - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -// key.objectid = inode of directory containing this entry -// key.offset = -// for DIR_ITEM and XATTR_ITEM = NameHash(name) -// for DIR_INDEX = index id in the directory (starting at 2, because "." and "..") -type DirEntries []DirEntry // DIR_ITEM=84 DIR_INDEX=96 XATTR_ITEM=24 - -func NameHash(dat []byte) uint64 { - return uint64(^crc32.Update(1, crc32.MakeTable(crc32.Castagnoli), dat)) -} - -func (o *DirEntries) UnmarshalBinary(dat []byte) (int, error) { - *o = nil - n := 0 - for n < len(dat) { - var ref DirEntry - _n, err := binstruct.Unmarshal(dat, &ref) - n += _n - if err != nil { - return n, err - } - *o = append(*o, ref) - } - return n, nil -} - -func (o DirEntries) MarshalBinary() ([]byte, error) { - var ret []byte - for _, ref := range o { - bs, err := binstruct.Marshal(ref) - ret = append(ret, bs...) - if err != nil { - return ret, err - } - } - return ret, nil -} - -type DirEntry struct { - Location internal.Key `bin:"off=0x0, siz=0x11"` - TransID int64 `bin:"off=0x11, siz=8"` - DataLen uint16 `bin:"off=0x19, siz=2"` // [ignored-when-writing] - NameLen uint16 `bin:"off=0x1b, siz=2"` // [ignored-when-writing] - Type FileType `bin:"off=0x1d, siz=1"` - binstruct.End `bin:"off=0x1e"` - Data []byte `bin:"-"` - Name []byte `bin:"-"` -} - -func (o *DirEntry) UnmarshalBinary(dat []byte) (int, error) { - n, err := binstruct.UnmarshalWithoutInterface(dat, o) - if err != nil { - return n, err - } - o.Data = dat[n : n+int(o.DataLen)] - n += int(o.DataLen) - o.Name = dat[n : n+int(o.NameLen)] - n += int(o.NameLen) - return n, nil -} - -func (o DirEntry) MarshalBinary() ([]byte, error) { - o.DataLen = uint16(len(o.Data)) - o.NameLen = uint16(len(o.Name)) - dat, err := binstruct.MarshalWithoutInterface(o) - if err != nil { - return dat, err - } - dat = append(dat, o.Data...) - dat = append(dat, o.Name...) - return dat, nil -} - -type FileType uint8 - -const ( - FT_UNKNOWN = FileType(0) - FT_REG_FILE = FileType(1) - FT_DIR = FileType(2) - FT_CHRDEV = FileType(3) - FT_BLKDEV = FileType(4) - FT_FIFO = FileType(5) - FT_SOCK = FileType(6) - FT_SYMLINK = FileType(7) - FT_XATTR = FileType(8) - - FT_MAX = FileType(9) -) - -func (ft FileType) String() string { - names := map[FileType]string{ - FT_UNKNOWN: "UNKNOWN", - FT_REG_FILE: "FILE", // XXX - FT_DIR: "DIR", - FT_CHRDEV: "CHRDEV", - FT_BLKDEV: "BLKDEV", - FT_FIFO: "FIFO", - FT_SOCK: "SOCK", - FT_SYMLINK: "SYMLINK", - FT_XATTR: "XATTR", - } - if name, ok := names[ft]; ok { - return name - } - return fmt.Sprintf("DIR_ITEM.%d", uint8(ft)) -} diff --git a/pkg/btrfs/btrfsitem/item_empty.go b/pkg/btrfs/btrfsitem/item_empty.go deleted file mode 100644 index 93e2f9e..0000000 --- a/pkg/btrfs/btrfsitem/item_empty.go +++ /dev/null @@ -1,9 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" -) - -type Empty struct { // ORPHAN_ITEM=48 TREE_BLOCK_REF=176 SHARED_BLOCK_REF=182 FREE_SPACE_EXTENT=199 QGROUP_RELATION=246 - binstruct.End `bin:"off=0"` -} diff --git a/pkg/btrfs/btrfsitem/item_extent.go b/pkg/btrfs/btrfsitem/item_extent.go deleted file mode 100644 index ab8a4c6..0000000 --- a/pkg/btrfs/btrfsitem/item_extent.go +++ /dev/null @@ -1,165 +0,0 @@ -package btrfsitem - -import ( - "fmt" - - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" - "lukeshu.com/btrfs-tools/pkg/util" -) - -type Extent struct { // EXTENT_ITEM=168 - Head ExtentHeader - Info TreeBlockInfo // only if .Head.Flags.Has(EXTENT_FLAG_TREE_BLOCK) - Refs []ExtentInlineRef -} - -func (o *Extent) UnmarshalBinary(dat []byte) (int, error) { - n, err := binstruct.Unmarshal(dat, &o.Head) - if err != nil { - return n, err - } - if o.Head.Flags.Has(EXTENT_FLAG_TREE_BLOCK) { - _n, err := binstruct.Unmarshal(dat[n:], &o.Info) - n += _n - if err != nil { - return n, err - } - } - o.Refs = nil - for n < len(dat) { - var ref ExtentInlineRef - _n, err := binstruct.Unmarshal(dat[n:], &ref) - n += _n - o.Refs = append(o.Refs, ref) - if err != nil { - return n, err - } - } - return n, nil -} - -func (o Extent) MarshalBinary() ([]byte, error) { - dat, err := binstruct.Marshal(o.Head) - if err != nil { - return dat, err - } - if o.Head.Flags.Has(EXTENT_FLAG_TREE_BLOCK) { - bs, err := binstruct.Marshal(o.Info) - dat = append(dat, bs...) - if err != nil { - return dat, err - } - } - for _, ref := range o.Refs { - bs, err := binstruct.Marshal(ref) - dat = append(dat, bs...) - if err != nil { - return dat, err - } - } - return dat, nil -} - -type ExtentHeader struct { - Refs int64 `bin:"off=0, siz=8"` - Generation internal.Generation `bin:"off=8, siz=8"` - Flags ExtentFlags `bin:"off=16, siz=8"` - binstruct.End `bin:"off=24"` -} - -type TreeBlockInfo struct { - Key internal.Key `bin:"off=0, siz=0x11"` - Level uint8 `bin:"off=0x11, siz=0x8"` - binstruct.End `bin:"off=0x19"` -} - -type ExtentFlags uint64 - -const ( - EXTENT_FLAG_DATA = ExtentFlags(1 << iota) - EXTENT_FLAG_TREE_BLOCK -) - -var extentFlagNames = []string{ - "DATA", - "TREE_BLOCK", -} - -func (f ExtentFlags) Has(req ExtentFlags) bool { return f&req == req } -func (f ExtentFlags) String() string { return util.BitfieldString(f, extentFlagNames, util.HexNone) } - -type ExtentInlineRef struct { - Type Type // only 4 valid values: {TREE,SHARED}_BLOCK_REF_KEY, {EXTENT,SHARED}_DATA_REF_KEY - Offset uint64 // only when Type != EXTENT_DATA_REF_KEY - Body Item // only when Type == *_DATA_REF_KEY -} - -func (o *ExtentInlineRef) UnmarshalBinary(dat []byte) (int, error) { - o.Type = Type(dat[0]) - n := 1 - switch o.Type { - case TREE_BLOCK_REF_KEY, SHARED_BLOCK_REF_KEY: - _n, err := binstruct.Unmarshal(dat[n:], &o.Offset) - n += _n - if err != nil { - return n, err - } - case EXTENT_DATA_REF_KEY: - var dref ExtentDataRef - _n, err := binstruct.Unmarshal(dat[n:], &dref) - n += _n - o.Body = dref - if err != nil { - return n, err - } - case SHARED_DATA_REF_KEY: - _n, err := binstruct.Unmarshal(dat[n:], &o.Offset) - n += _n - if err != nil { - return n, err - } - var sref SharedDataRef - _n, err = binstruct.Unmarshal(dat[n:], &sref) - n += _n - o.Body = sref - if err != nil { - return n, err - } - default: - return n, fmt.Errorf("btrfsitem.ExtentInlineRef.UnmarshalBinary: unexpected item type %v", o.Type) - } - return n, nil -} - -func (o ExtentInlineRef) MarshalBinary() ([]byte, error) { - dat := []byte{byte(o.Type)} - switch o.Type { - case TREE_BLOCK_REF_KEY, SHARED_BLOCK_REF_KEY: - _dat, err := binstruct.Marshal(o.Offset) - dat = append(dat, _dat...) - if err != nil { - return dat, err - } - case EXTENT_DATA_REF_KEY: - _dat, err := binstruct.Marshal(o.Body) - dat = append(dat, _dat...) - if err != nil { - return dat, err - } - case SHARED_DATA_REF_KEY: - _dat, err := binstruct.Marshal(o.Offset) - dat = append(dat, _dat...) - if err != nil { - return dat, err - } - _dat, err = binstruct.Marshal(o.Body) - dat = append(dat, _dat...) - if err != nil { - return dat, err - } - default: - return dat, fmt.Errorf("btrfsitem.ExtentInlineRef.MarshalBinary: unexpected item type %v", o.Type) - } - return dat, nil -} diff --git a/pkg/btrfs/btrfsitem/item_extentcsum.go b/pkg/btrfs/btrfsitem/item_extentcsum.go deleted file mode 100644 index 27c7c9b..0000000 --- a/pkg/btrfs/btrfsitem/item_extentcsum.go +++ /dev/null @@ -1,39 +0,0 @@ -package btrfsitem - -import ( - "fmt" - - "lukeshu.com/btrfs-tools/pkg/btrfs/btrfssum" -) - -// key.objectid = BTRFS_EXTENT_CSUM_OBJECTID -// key.offset = laddr of checksummed region -type ExtentCSum struct { // EXTENT_CSUM=128 - ChecksumSize int - // Checksum of each sector starting at key.offset - Sums []btrfssum.CSum -} - -func (o *ExtentCSum) UnmarshalBinary(dat []byte) (int, error) { - if o.ChecksumSize == 0 { - return 0, fmt.Errorf("btrfs.ExtentCSum.UnmarshalBinary: .ChecksumSize must be set") - } - for len(dat) >= o.ChecksumSize { - var csum btrfssum.CSum - copy(csum[:], dat[:o.ChecksumSize]) - dat = dat[o.ChecksumSize:] - o.Sums = append(o.Sums, csum) - } - return len(o.Sums) * o.ChecksumSize, nil -} - -func (o ExtentCSum) MarshalBinary() ([]byte, error) { - if o.ChecksumSize == 0 { - return nil, fmt.Errorf("btrfs.ExtentCSum.MarshalBinary: .ChecksumSize must be set") - } - var dat []byte - for _, csum := range o.Sums { - dat = append(dat, csum[:o.ChecksumSize]...) - } - return dat, nil -} diff --git a/pkg/btrfs/btrfsitem/item_extentdataref.go b/pkg/btrfs/btrfsitem/item_extentdataref.go deleted file mode 100644 index 93585be..0000000 --- a/pkg/btrfs/btrfsitem/item_extentdataref.go +++ /dev/null @@ -1,14 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -type ExtentDataRef struct { // EXTENT_DATA_REF=178 - Root internal.ObjID `bin:"off=0, siz=8"` - ObjectID internal.ObjID `bin:"off=8, siz=8"` - Offset int64 `bin:"off=16, siz=8"` - Count int32 `bin:"off=24, siz=4"` - binstruct.End `bin:"off=28"` -} 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) -} diff --git a/pkg/btrfs/btrfsitem/item_freespacebitmap.go b/pkg/btrfs/btrfsitem/item_freespacebitmap.go deleted file mode 100644 index 6158eb0..0000000 --- a/pkg/btrfs/btrfsitem/item_freespacebitmap.go +++ /dev/null @@ -1,12 +0,0 @@ -package btrfsitem - -type FreeSpaceBitmap []byte // FREE_SPACE_BITMAP=200 - -func (o *FreeSpaceBitmap) UnmarshalBinary(dat []byte) (int, error) { - *o = dat - return len(dat), nil -} - -func (o FreeSpaceBitmap) MarshalBinary() ([]byte, error) { - return []byte(o), nil -} diff --git a/pkg/btrfs/btrfsitem/item_freespaceinfo.go b/pkg/btrfs/btrfsitem/item_freespaceinfo.go deleted file mode 100644 index 4931844..0000000 --- a/pkg/btrfs/btrfsitem/item_freespaceinfo.go +++ /dev/null @@ -1,11 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" -) - -type FreeSpaceInfo struct { // FREE_SPACE_INFO=198 - ExtentCount int32 `bin:"off=0, siz=4"` - Flags uint32 `bin:"off=4, siz=4"` - binstruct.End `bin:"off=8"` -} diff --git a/pkg/btrfs/btrfsitem/item_inode.go b/pkg/btrfs/btrfsitem/item_inode.go deleted file mode 100644 index b41f288..0000000 --- a/pkg/btrfs/btrfsitem/item_inode.go +++ /dev/null @@ -1,64 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" - "lukeshu.com/btrfs-tools/pkg/linux" - "lukeshu.com/btrfs-tools/pkg/util" -) - -type Inode struct { // INODE_ITEM=1 - Generation internal.Generation `bin:"off=0x00, siz=0x08"` - TransID int64 `bin:"off=0x08, siz=0x08"` - Size int64 `bin:"off=0x10, siz=0x08"` // stat - NumBytes int64 `bin:"off=0x18, siz=0x08"` - BlockGroup int64 `bin:"off=0x20, siz=0x08"` - NLink int32 `bin:"off=0x28, siz=0x04"` // stat - UID int32 `bin:"off=0x2C, siz=0x04"` // stat - GID int32 `bin:"off=0x30, siz=0x04"` // stat - Mode linux.StatMode `bin:"off=0x34, siz=0x04"` // stat - RDev int64 `bin:"off=0x38, siz=0x08"` // stat - Flags InodeFlags `bin:"off=0x40, siz=0x08"` // statx.stx_attributes, sorta - Sequence int64 `bin:"off=0x48, siz=0x08"` // NFS - Reserved [4]int64 `bin:"off=0x50, siz=0x20"` - ATime internal.Time `bin:"off=0x70, siz=0x0c"` // stat - CTime internal.Time `bin:"off=0x7c, siz=0x0c"` // stat - MTime internal.Time `bin:"off=0x88, siz=0x0c"` // stat - OTime internal.Time `bin:"off=0x94, siz=0x0c"` // statx.stx_btime (why is this called "otime" instead of "btime"?) - binstruct.End `bin:"off=0xa0"` -} - -type InodeFlags uint64 - -const ( - INODE_NODATASUM = InodeFlags(1 << iota) - INODE_NODATACOW - INODE_READONLY - INODE_NOCOMPRESS - INODE_PREALLOC - INODE_SYNC - INODE_IMMUTABLE - INODE_APPEND - INODE_NODUMP - INODE_NOATIME - INODE_DIRSYNC - INODE_COMPRESS -) - -var inodeFlagNames = []string{ - "NODATASUM", - "NODATACOW", - "READONLY", - "NOCOMPRESS", - "PREALLOC", - "SYNC", - "IMMUTABLE", - "APPEND", - "NODUMP", - "NOATIME", - "DIRSYNC", - "COMPRESS", -} - -func (f InodeFlags) Has(req InodeFlags) bool { return f&req == req } -func (f InodeFlags) String() string { return util.BitfieldString(f, inodeFlagNames, util.HexLower) } diff --git a/pkg/btrfs/btrfsitem/item_inoderef.go b/pkg/btrfs/btrfsitem/item_inoderef.go deleted file mode 100644 index 2c26df6..0000000 --- a/pkg/btrfs/btrfsitem/item_inoderef.go +++ /dev/null @@ -1,35 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" -) - -// key.objectid = inode number of the file -// key.offset = inode number of the parent file -type InodeRef struct { // INODE_REF=12 - Index int64 `bin:"off=0x0, siz=0x8"` - NameLen uint16 `bin:"off=0x8, siz=0x2"` // [ignored-when-writing] - binstruct.End `bin:"off=0xa"` - Name []byte `bin:"-"` -} - -func (o *InodeRef) UnmarshalBinary(dat []byte) (int, error) { - n, err := binstruct.UnmarshalWithoutInterface(dat, o) - if err != nil { - return n, err - } - dat = dat[n:] - o.Name = dat[:o.NameLen] - n += int(o.NameLen) - return n, nil -} - -func (o InodeRef) MarshalBinary() ([]byte, error) { - o.NameLen = uint16(len(o.Name)) - dat, err := binstruct.MarshalWithoutInterface(o) - if err != nil { - return dat, err - } - dat = append(dat, o.Name...) - return dat, nil -} diff --git a/pkg/btrfs/btrfsitem/item_metadata.go b/pkg/btrfs/btrfsitem/item_metadata.go deleted file mode 100644 index 7bfe677..0000000 --- a/pkg/btrfs/btrfsitem/item_metadata.go +++ /dev/null @@ -1,44 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" -) - -// Metadata is like Extent, but doesn't have .Info. -type Metadata struct { // METADATA_ITEM=169 - Head ExtentHeader - Refs []ExtentInlineRef -} - -func (o *Metadata) UnmarshalBinary(dat []byte) (int, error) { - n, err := binstruct.Unmarshal(dat, &o.Head) - if err != nil { - return n, err - } - o.Refs = nil - for n < len(dat) { - var ref ExtentInlineRef - _n, err := binstruct.Unmarshal(dat[n:], &ref) - n += _n - o.Refs = append(o.Refs, ref) - if err != nil { - return n, err - } - } - return n, nil -} - -func (o Metadata) MarshalBinary() ([]byte, error) { - dat, err := binstruct.Marshal(o.Head) - if err != nil { - return dat, err - } - for _, ref := range o.Refs { - bs, err := binstruct.Marshal(ref) - dat = append(dat, bs...) - if err != nil { - return dat, err - } - } - return dat, nil -} diff --git a/pkg/btrfs/btrfsitem/item_persistent.go b/pkg/btrfs/btrfsitem/item_persistent.go deleted file mode 100644 index fd69c3d..0000000 --- a/pkg/btrfs/btrfsitem/item_persistent.go +++ /dev/null @@ -1,19 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" -) - -const ( - DEV_STAT_WRITE_ERRS = iota - DEV_STAT_READ_ERRS - DEV_STAT_FLUSH_ERRS - DEV_STAT_CORRUPTION_ERRS - DEV_STAT_GENERATION_ERRS - DEV_STAT_VALUES_MAX -) - -type DevStats struct { // PERSISTENT_ITEM=249 - Values [DEV_STAT_VALUES_MAX]int64 `bin:"off=0, siz=40"` - binstruct.End `bin:"off=40"` -} diff --git a/pkg/btrfs/btrfsitem/item_root.go b/pkg/btrfs/btrfsitem/item_root.go deleted file mode 100644 index de0a070..0000000 --- a/pkg/btrfs/btrfsitem/item_root.go +++ /dev/null @@ -1,51 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/btrfsvol" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" - "lukeshu.com/btrfs-tools/pkg/util" -) - -type Root struct { // ROOT_ITEM=132 - Inode Inode `bin:"off=0x000, siz=0xa0"` - Generation internal.Generation `bin:"off=0x0a0, siz=0x08"` - RootDirID internal.ObjID `bin:"off=0x0a8, siz=0x08"` - ByteNr btrfsvol.LogicalAddr `bin:"off=0x0b0, siz=0x08"` - ByteLimit int64 `bin:"off=0x0b8, siz=0x08"` - BytesUsed int64 `bin:"off=0x0c0, siz=0x08"` - LastSnapshot int64 `bin:"off=0x0c8, siz=0x08"` - Flags RootFlags `bin:"off=0x0d0, siz=0x08"` - Refs int32 `bin:"off=0x0d8, siz=0x04"` - DropProgress internal.Key `bin:"off=0x0dc, siz=0x11"` - DropLevel uint8 `bin:"off=0x0ed, siz=0x01"` - Level uint8 `bin:"off=0x0ee, siz=0x01"` - GenerationV2 internal.Generation `bin:"off=0x0ef, siz=0x08"` - UUID util.UUID `bin:"off=0x0f7, siz=0x10"` - ParentUUID util.UUID `bin:"off=0x107, siz=0x10"` - ReceivedUUID util.UUID `bin:"off=0x117, siz=0x10"` - CTransID int64 `bin:"off=0x127, siz=0x08"` - OTransID int64 `bin:"off=0x12f, siz=0x08"` - STransID int64 `bin:"off=0x137, siz=0x08"` - RTransID int64 `bin:"off=0x13f, siz=0x08"` - CTime internal.Time `bin:"off=0x147, siz=0x0c"` - OTime internal.Time `bin:"off=0x153, siz=0x0c"` - STime internal.Time `bin:"off=0x15f, siz=0x0c"` - RTime internal.Time `bin:"off=0x16b, siz=0x0c"` - GlobalTreeID internal.ObjID `bin:"off=0x177, siz=0x08"` - Reserved [7]int64 `bin:"off=0x17f, siz=0x38"` - binstruct.End `bin:"off=0x1b7"` -} - -type RootFlags uint64 - -const ( - ROOT_SUBVOL_RDONLY = RootFlags(1 << iota) -) - -var rootFlagNames = []string{ - "SUBVOL_RDONLY", -} - -func (f RootFlags) Has(req RootFlags) bool { return f&req == req } -func (f RootFlags) String() string { return util.BitfieldString(f, rootFlagNames, util.HexLower) } diff --git a/pkg/btrfs/btrfsitem/item_rootref.go b/pkg/btrfs/btrfsitem/item_rootref.go deleted file mode 100644 index 567e9c7..0000000 --- a/pkg/btrfs/btrfsitem/item_rootref.go +++ /dev/null @@ -1,34 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -type RootRef struct { // ROOT_REF=156 ROOT_BACKREF=144 - DirID internal.ObjID `bin:"off=0x00, siz=0x8"` - Sequence int64 `bin:"off=0x08, siz=0x8"` - NameLen uint16 `bin:"off=0x10, siz=0x2"` // [ignored-when-writing] - binstruct.End `bin:"off=0x12"` - Name []byte `bin:"-"` -} - -func (o *RootRef) UnmarshalBinary(dat []byte) (int, error) { - n, err := binstruct.UnmarshalWithoutInterface(dat, o) - if err != nil { - return n, err - } - o.Name = dat[n : n+int(o.NameLen)] - n += int(o.NameLen) - return n, nil -} - -func (o RootRef) MarshalBinary() ([]byte, error) { - o.NameLen = uint16(len(o.Name)) - dat, err := binstruct.MarshalWithoutInterface(o) - if err != nil { - return dat, err - } - dat = append(dat, o.Name...) - return dat, nil -} diff --git a/pkg/btrfs/btrfsitem/item_shareddataref.go b/pkg/btrfs/btrfsitem/item_shareddataref.go deleted file mode 100644 index 0d73231..0000000 --- a/pkg/btrfs/btrfsitem/item_shareddataref.go +++ /dev/null @@ -1,10 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" -) - -type SharedDataRef struct { // SHARED_DATA_REF=184 - Count int32 `bin:"off=0, siz=4"` - binstruct.End `bin:"off=4"` -} diff --git a/pkg/btrfs/btrfsitem/item_untyped.go b/pkg/btrfs/btrfsitem/item_untyped.go deleted file mode 100644 index f5348e1..0000000 --- a/pkg/btrfs/btrfsitem/item_untyped.go +++ /dev/null @@ -1,14 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -type FreeSpaceHeader struct { // UNTYPED=0:FREE_SPACE_OBJECTID - Location internal.Key `bin:"off=0x00, siz=0x11"` - Generation internal.Generation `bin:"off=0x11, siz=0x8"` - NumEntries int64 `bin:"off=0x19, siz=0x8"` - NumBitmaps int64 `bin:"off=0x21, siz=0x8"` - binstruct.End `bin:"off=0x29"` -} diff --git a/pkg/btrfs/btrfsitem/item_uuid.go b/pkg/btrfs/btrfsitem/item_uuid.go deleted file mode 100644 index 45543b3..0000000 --- a/pkg/btrfs/btrfsitem/item_uuid.go +++ /dev/null @@ -1,16 +0,0 @@ -package btrfsitem - -import ( - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -// The Key for this item is a UUID, and the item is a subvolume IDs -// that that UUID maps to. -// -// key.objectid = first half of UUID -// key.offset = second half of UUID -type UUIDMap struct { // UUID_SUBVOL=251 UUID_RECEIVED_SUBVOL=252 - ObjID internal.ObjID `bin:"off=0, siz=8"` - binstruct.End `bin:"off=8"` -} diff --git a/pkg/btrfs/btrfsitem/items.go b/pkg/btrfs/btrfsitem/items.go deleted file mode 100644 index 5ad3471..0000000 --- a/pkg/btrfs/btrfsitem/items.go +++ /dev/null @@ -1,77 +0,0 @@ -package btrfsitem - -import ( - "fmt" - "reflect" - - "lukeshu.com/btrfs-tools/pkg/binstruct" - "lukeshu.com/btrfs-tools/pkg/btrfs/btrfssum" - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -type Type = internal.ItemType - -type Item interface { - isItem() -} - -type Error struct { - Dat []byte - Err error -} - -func (Error) isItem() {} - -func (o Error) MarshalBinary() ([]byte, error) { - return o.Dat, nil -} - -func (o *Error) UnmarshalBinary(dat []byte) (int, error) { - o.Dat = dat - return len(dat), nil -} - -// Rather than returning a separate error value, return an Error item. -func UnmarshalItem(key internal.Key, csumType btrfssum.CSumType, dat []byte) Item { - var gotyp reflect.Type - if key.ItemType == UNTYPED_KEY { - var ok bool - gotyp, ok = untypedObjID2gotype[key.ObjectID] - if !ok { - return Error{ - Dat: dat, - Err: fmt.Errorf("btrfsitem.UnmarshalItem({ItemType:%v, ObjectID:%v}, dat): unknown object ID for untyped item", - key.ItemType, key.ObjectID), - } - } - } else { - var ok bool - gotyp, ok = keytype2gotype[key.ItemType] - if !ok { - return Error{ - Dat: dat, - Err: fmt.Errorf("btrfsitem.UnmarshalItem({ItemType:%v}, dat): unknown item type", key.ItemType), - } - } - } - retPtr := reflect.New(gotyp) - if csums, ok := retPtr.Interface().(*ExtentCSum); ok { - csums.ChecksumSize = csumType.Size() - } - n, err := binstruct.Unmarshal(dat, retPtr.Interface()) - if err != nil { - return Error{ - Dat: dat, - Err: fmt.Errorf("btrfsitem.UnmarshalItem({ItemType:%v}, dat): %w", key.ItemType, err), - } - - } - if n < len(dat) { - return Error{ - Dat: dat, - Err: fmt.Errorf("btrfsitem.UnmarshalItem({ItemType:%v}, dat): left over data: got %v bytes but only consumed %v", - key.ItemType, len(dat), n), - } - } - return retPtr.Elem().Interface().(Item) -} diff --git a/pkg/btrfs/btrfsitem/items.txt b/pkg/btrfs/btrfsitem/items.txt deleted file mode 100644 index 7898775..0000000 --- a/pkg/btrfs/btrfsitem/items.txt +++ /dev/null @@ -1,29 +0,0 @@ -BLOCK_GROUP_ITEM=192 BlockGroup -CHUNK_ITEM=228 Chunk -DEV_EXTENT=204 DevExtent -DEV_ITEM=216 Dev -DIR_INDEX=96 DirEntries -DIR_ITEM=84 DirEntries -EXTENT_CSUM=128 ExtentCSum -EXTENT_DATA=108 FileExtent -EXTENT_DATA_REF=178 ExtentDataRef -EXTENT_ITEM=168 Extent -FREE_SPACE_BITMAP=200 FreeSpaceBitmap -FREE_SPACE_EXTENT=199 Empty -FREE_SPACE_INFO=198 FreeSpaceInfo -INODE_ITEM=1 Inode -INODE_REF=12 InodeRef -METADATA_ITEM=169 Metadata -ORPHAN_ITEM=48 Empty -PERSISTENT_ITEM=249 DevStats -QGROUP_RELATION=246 Empty -ROOT_BACKREF=144 RootRef -ROOT_ITEM=132 Root -ROOT_REF=156 RootRef -SHARED_BLOCK_REF=182 Empty -SHARED_DATA_REF=184 SharedDataRef -TREE_BLOCK_REF=176 Empty -UNTYPED=0:FREE_SPACE_OBJECTID FreeSpaceHeader -UUID_RECEIVED_SUBVOL=252 UUIDMap -UUID_SUBVOL=251 UUIDMap -XATTR_ITEM=24 DirEntries diff --git a/pkg/btrfs/btrfsitem/items_gen.go b/pkg/btrfs/btrfsitem/items_gen.go deleted file mode 100644 index b5b64bd..0000000 --- a/pkg/btrfs/btrfsitem/items_gen.go +++ /dev/null @@ -1,97 +0,0 @@ -// Code generated by Make. DO NOT EDIT. - -package btrfsitem - -import ( - "reflect" - - "lukeshu.com/btrfs-tools/pkg/btrfs/internal" -) - -const ( - BLOCK_GROUP_ITEM_KEY = internal.BLOCK_GROUP_ITEM_KEY - CHUNK_ITEM_KEY = internal.CHUNK_ITEM_KEY - DEV_EXTENT_KEY = internal.DEV_EXTENT_KEY - DEV_ITEM_KEY = internal.DEV_ITEM_KEY - DIR_INDEX_KEY = internal.DIR_INDEX_KEY - DIR_ITEM_KEY = internal.DIR_ITEM_KEY - EXTENT_CSUM_KEY = internal.EXTENT_CSUM_KEY - EXTENT_DATA_KEY = internal.EXTENT_DATA_KEY - EXTENT_DATA_REF_KEY = internal.EXTENT_DATA_REF_KEY - EXTENT_ITEM_KEY = internal.EXTENT_ITEM_KEY - FREE_SPACE_BITMAP_KEY = internal.FREE_SPACE_BITMAP_KEY - FREE_SPACE_EXTENT_KEY = internal.FREE_SPACE_EXTENT_KEY - FREE_SPACE_INFO_KEY = internal.FREE_SPACE_INFO_KEY - INODE_ITEM_KEY = internal.INODE_ITEM_KEY - INODE_REF_KEY = internal.INODE_REF_KEY - METADATA_ITEM_KEY = internal.METADATA_ITEM_KEY - ORPHAN_ITEM_KEY = internal.ORPHAN_ITEM_KEY - PERSISTENT_ITEM_KEY = internal.PERSISTENT_ITEM_KEY - QGROUP_RELATION_KEY = internal.QGROUP_RELATION_KEY - ROOT_BACKREF_KEY = internal.ROOT_BACKREF_KEY - ROOT_ITEM_KEY = internal.ROOT_ITEM_KEY - ROOT_REF_KEY = internal.ROOT_REF_KEY - SHARED_BLOCK_REF_KEY = internal.SHARED_BLOCK_REF_KEY - SHARED_DATA_REF_KEY = internal.SHARED_DATA_REF_KEY - TREE_BLOCK_REF_KEY = internal.TREE_BLOCK_REF_KEY - UNTYPED_KEY = internal.UNTYPED_KEY - UUID_RECEIVED_SUBVOL_KEY = internal.UUID_RECEIVED_SUBVOL_KEY - UUID_SUBVOL_KEY = internal.UUID_SUBVOL_KEY - XATTR_ITEM_KEY = internal.XATTR_ITEM_KEY -) - -var keytype2gotype = map[Type]reflect.Type{ - BLOCK_GROUP_ITEM_KEY: reflect.TypeOf(BlockGroup{}), - CHUNK_ITEM_KEY: reflect.TypeOf(Chunk{}), - DEV_EXTENT_KEY: reflect.TypeOf(DevExtent{}), - DEV_ITEM_KEY: reflect.TypeOf(Dev{}), - DIR_INDEX_KEY: reflect.TypeOf(DirEntries{}), - DIR_ITEM_KEY: reflect.TypeOf(DirEntries{}), - EXTENT_CSUM_KEY: reflect.TypeOf(ExtentCSum{}), - EXTENT_DATA_KEY: reflect.TypeOf(FileExtent{}), - EXTENT_DATA_REF_KEY: reflect.TypeOf(ExtentDataRef{}), - EXTENT_ITEM_KEY: reflect.TypeOf(Extent{}), - FREE_SPACE_BITMAP_KEY: reflect.TypeOf(FreeSpaceBitmap{}), - FREE_SPACE_EXTENT_KEY: reflect.TypeOf(Empty{}), - FREE_SPACE_INFO_KEY: reflect.TypeOf(FreeSpaceInfo{}), - INODE_ITEM_KEY: reflect.TypeOf(Inode{}), - INODE_REF_KEY: reflect.TypeOf(InodeRef{}), - METADATA_ITEM_KEY: reflect.TypeOf(Metadata{}), - ORPHAN_ITEM_KEY: reflect.TypeOf(Empty{}), - PERSISTENT_ITEM_KEY: reflect.TypeOf(DevStats{}), - QGROUP_RELATION_KEY: reflect.TypeOf(Empty{}), - ROOT_BACKREF_KEY: reflect.TypeOf(RootRef{}), - ROOT_ITEM_KEY: reflect.TypeOf(Root{}), - ROOT_REF_KEY: reflect.TypeOf(RootRef{}), - SHARED_BLOCK_REF_KEY: reflect.TypeOf(Empty{}), - SHARED_DATA_REF_KEY: reflect.TypeOf(SharedDataRef{}), - TREE_BLOCK_REF_KEY: reflect.TypeOf(Empty{}), - UUID_RECEIVED_SUBVOL_KEY: reflect.TypeOf(UUIDMap{}), - UUID_SUBVOL_KEY: reflect.TypeOf(UUIDMap{}), - XATTR_ITEM_KEY: reflect.TypeOf(DirEntries{}), -} -var untypedObjID2gotype = map[internal.ObjID]reflect.Type{ - internal.FREE_SPACE_OBJECTID: reflect.TypeOf(FreeSpaceHeader{}), -} - -func (BlockGroup) isItem() {} -func (Chunk) isItem() {} -func (Dev) isItem() {} -func (DevExtent) isItem() {} -func (DevStats) isItem() {} -func (DirEntries) isItem() {} -func (Empty) isItem() {} -func (Extent) isItem() {} -func (ExtentCSum) isItem() {} -func (ExtentDataRef) isItem() {} -func (FileExtent) isItem() {} -func (FreeSpaceBitmap) isItem() {} -func (FreeSpaceHeader) isItem() {} -func (FreeSpaceInfo) isItem() {} -func (Inode) isItem() {} -func (InodeRef) isItem() {} -func (Metadata) isItem() {} -func (Root) isItem() {} -func (RootRef) isItem() {} -func (SharedDataRef) isItem() {} -func (UUIDMap) isItem() {} |