ldiskfs/kernel_patches/patches/rhel6.4/ext4-max-dir-size-options.patch

   1 diff -urpN linux-stage.orig/fs/ext4/super.c linux-stage/fs/ext4/super.c
   2 --- linux-stage.orig/fs/ext4/super.c    2013-05-13 09:35:17.628478645 -0400
   3 +++ linux-stage/fs/ext4/super.c 2013-05-13 09:46:08.062358974 -0400
   4 @@ -1268,8 +1268,8 @@ enum {
   5         Opt_mballoc, Opt_bigendian_extents, Opt_force_over_128tb,
   6         Opt_extents, Opt_noextents,
   7         Opt_no_mbcache,
   8 -       Opt_discard, Opt_nodiscard,
   9 -       Opt_init_itable, Opt_noinit_itable,
  10 +       Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
  11 +       Opt_max_dir_size_kb,
  12  };
  13
  14  static const match_table_t tokens = {
  15 @@ -1350,6 +1350,7 @@ static const match_table_t tokens = {
  16         {Opt_init_itable, "init_itable=%u"},
  17         {Opt_init_itable, "init_itable"},
  18         {Opt_noinit_itable, "noinit_itable"},
  19 +       {Opt_max_dir_size_kb, "max_dir_size_kb=%u"},
  20         {Opt_err, NULL},
  21  };
  22
  23 @@ -1736,6 +1737,13 @@ set_qf_format:
  24                 case Opt_nodelalloc:
  25                         clear_opt(sbi->s_mount_opt, DELALLOC);
  26                         break;
  27 +               case Opt_max_dir_size_kb:
  28 +                       if (match_int(&args[0], &option))
  29 +                               return 0;
  30 +                       if (option < 0)
  31 +                               return 0;
  32 +                       sbi->s_max_dir_size = option * 1024;
  33 +                       break;
  34                 case Opt_stripe:
  35                         if (match_int(&args[0], &option))
  36                                 return 0;