CIFS: Add SMB2 support for hardlink operation

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/smb2glob.h b/fs/cifs/smb2glob.h
index 8635574..21555d8 100644
--- a/fs/cifs/smb2glob.h
+++ b/fs/cifs/smb2glob.h
@@ -40,6 +40,7 @@
 #define SMB2_OP_MKDIR 5
 #define SMB2_OP_RENAME 6
 #define SMB2_OP_DELETE 7
+#define SMB2_OP_HARDLINK 8
 
 /* Used when constructing chained read requests. */
 #define CHAINED_REQUEST 1