1 files changed, 0 insertions, 39 deletions
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
-}