1 files changed, 16 insertions, 0 deletions
diff --git a/weed/filer/filer_hardlink.go b/weed/filer/filer_hardlink.go
new file mode 100644
index 000000000..7a91602fd
--- /dev/null
+++ b/weed/filer/filer_hardlink.go
@@ -0,0 +1,16 @@
+package filer
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/util"
+)
+
+const (
+	HARD_LINK_MARKER = '\x01'
+)
+
+type HardLinkId []byte // 16 bytes + 1 marker byte
+
+func NewHardLinkId() HardLinkId {
+	bytes := append(util.RandomBytes(16), HARD_LINK_MARKER)
+	return bytes
+}