1 files changed, 14 insertions, 0 deletions
diff --git a/lib/btrfs/btrfsitem/item_untyped.go b/lib/btrfs/btrfsitem/item_untyped.go
new file mode 100644
index 0000000..71a9af4
--- /dev/null
+++ b/lib/btrfs/btrfsitem/item_untyped.go
@@ -0,0 +1,14 @@
+package btrfsitem
+
+import (
+	"git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+	"git.lukeshu.com/btrfs-progs-ng/lib/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"`
+}