1 files changed, 64 insertions, 0 deletions
diff --git a/lib/btrfs/btrfsitem/item_inode.go b/lib/btrfs/btrfsitem/item_inode.go
new file mode 100644
index 0000000..9b1b91b
--- /dev/null
+++ b/lib/btrfs/btrfsitem/item_inode.go
@@ -0,0 +1,64 @@
+package btrfsitem
+
+import (
+	"git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+	"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/internal"
+	"git.lukeshu.com/btrfs-progs-ng/lib/linux"
+	"git.lukeshu.com/btrfs-progs-ng/lib/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) }