--- tar-1.29-origin/src/incremen.c      2016-08-15 15:11:17.933557116 +0200
+++ tar-1.29/src/incremen.c     2016-08-16 13:37:03.163495153 +0200
@@ -502,10 +502,22 @@
            }
          else
            {
-             perhaps_renamed = true;
-             directory->children = ALL_CHILDREN;
-             directory->device_number = stat_data->st_dev;
-             directory->inode_number = stat_data->st_ino;
+            if(ignore_root_inode)
+            {
+              const char root_dir_char[] = ".";
+              if(strcmp(name_buffer, root_dir_char) != 0)
+               {
+                 perhaps_renamed = true;
+                 directory->children = ALL_CHILDREN;
+                 directory->device_number = stat_data->st_dev;
+                 directory->inode_number = stat_data->st_ino;
+               }
+             } else {
+               perhaps_renamed = true;
+               directory->children = ALL_CHILDREN;
+               directory->device_number = stat_data->st_dev;
+               directory->inode_number = stat_data->st_ino;
+             }
            }
          if (nfs)
            DIR_SET_FLAG (directory, DIRF_NFS);
--- tar-1.29-origin/src/tar.c   2016-08-15 15:11:17.933557116 +0200
+++ tar-1.29/src/tar.c  2016-08-16 13:28:25.026194462 +0200
@@ -290,6 +290,7 @@
   KEEP_DIRECTORY_SYMLINK_OPTION,
   KEEP_NEWER_FILES_OPTION,
   LEVEL_OPTION,
+  IGNORE_ROOT_INODE,
   LZIP_OPTION,
   LZMA_OPTION,
   LZOP_OPTION,
@@ -431,6 +432,8 @@
    N_("handle new GNU-format incremental backup"), GRID+1 },
   {"level", LEVEL_OPTION, N_("NUMBER"), 0,
    N_("dump level for created listed-incremental archive"), GRID+1 },
+  {"ignore-root-inode", IGNORE_ROOT_INODE , 0, 0,
+   N_("ignore root inode changed for incremental backup"), GRID+1 },
   {"ignore-failed-read", IGNORE_FAILED_READ_OPTION, 0, 0,
    N_("do not exit with nonzero on unreadable files"), GRID+1 },
   {"occurrence", OCCURRENCE_OPTION, N_("NUMBER"), OPTION_ARG_OPTIONAL,
@@ -1729,7 +1732,10 @@
     case IGNORE_COMMAND_ERROR_OPTION:
       ignore_command_error_option = true;
       break;
-
+    case IGNORE_ROOT_INODE:
+       ignore_root_inode = true;
+      break;
+
     case IGNORE_FAILED_READ_OPTION:
       ignore_failed_read_option = true;
       break;
--- tar-1.29-origin/src/common.h        2016-08-15 15:11:17.933557116 +0200
+++ tar-1.29/src/common.h       2016-08-16 13:17:57.959587643 +0200
@@ -166,6 +166,8 @@

 GLOBAL bool ignore_failed_read_option;

+GLOBAL bool ignore_root_inode;
+
 GLOBAL bool ignore_zeros_option;

 GLOBAL bool incremental_option;