net/quagga/patches/150-no-cross-fs-link.patch

   1 --- a/lib/command.c
   2 +++ b/lib/command.c
   3 @@ -2601,6 +2601,13 @@ DEFUN (config_write_file,
   4                  VTY_NEWLINE);
   5          goto finished;
   6        }
   7 +
   8 +#if 0
   9 +  /* This code fails on UNION MOUNTs and similar filesystems if the
  10 +   * config file is still on the RO layer. Hardlinks across layers
  11 +   * will not work and cause quagga to fail saving the configuration...
  12 +   * should use rename() to move files around...
  13 +   */
  14    if (link (config_file, config_file_sav) != 0)
  15      {
  16        vty_out (vty, "Can't backup old configuration file %s.%s", config_file_sav,
  17 @@ -2614,7 +2621,23 @@ DEFUN (config_write_file,
  18                 VTY_NEWLINE);
  19        goto finished;
  20      }
  21 +#else
  22 +  /* And this is the code that hopefully does work */
  23 +  if (rename (config_file, config_file_sav) != 0)
  24 +    {
  25 +      vty_out (vty, "Can't backup old configuration file %s.%s", config_file_sav,
  26 +               VTY_NEWLINE);
  27 +      goto finished;
  28 +    }
  29 +  sync ();
  30 +#endif
  31 +
  32 +#if 0
  33 +  /* same here. Please no cross-filesystem hardlinks... */
  34    if (link (config_file_tmp, config_file) != 0)
  35 +#else
  36 +  if (rename (config_file_tmp, config_file) != 0)
  37 +#endif
  38      {
  39        vty_out (vty, "Can't save configuration file %s.%s", config_file,
  40                VTY_NEWLINE);