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 @@ -1268,6 +1268,7 @@ enum {
   5         Opt_extents, Opt_noextents,
   6         Opt_no_mbcache,
   7         Opt_discard, Opt_nodiscard, Opt_init_itable, Opt_noinit_itable,
   8 +       Opt_max_dir_size_kb,
   9  };
  10
  11  static const match_table_t tokens = {
  12 @@ -1350,6 +1350,7 @@ static const match_table_t tokens = {
  13         {Opt_init_itable, "init_itable=%u"},
  14         {Opt_init_itable, "init_itable"},
  15         {Opt_noinit_itable, "noinit_itable"},
  16 +       {Opt_max_dir_size_kb, "max_dir_size_kb=%u"},
  17         {Opt_err, NULL},
  18  };
  19
  20 @@ -1736,6 +1737,13 @@ set_qf_format:
  21                 case Opt_nodelalloc:
  22                         clear_opt(sbi->s_mount_opt, DELALLOC);
  23                         break;
  24 +               case Opt_max_dir_size_kb:
  25 +                       if (match_int(&args[0], &option))
  26 +                               return 0;
  27 +                       if (option < 0)
  28 +                               return 0;
  29 +                       sbi->s_max_dir_size = option * 1024;
  30 +                       break;
  31                 case Opt_stripe:
  32                         if (match_int(&args[0], &option))
  33                                 return 0;