anchor.diff:      inherit fetchurl stdenv perl mktemp module_init_tools;
       kernelPatches = [
         { name = "ext3cow";
  -        patch = ../os-specific/linux/kernel/linux-2.6.21.7-ext3cow_wouter.patch;
  +        patch = ../os-specific/linux/kernel/linux-2.6.20.3-ext3cow.patch;
           extraConfig =  
   	"CONFIG_EXT3COW_FS=m\n" +
   	"CONFIG_EXT3COW_FS_XATTR=y\n" +
  
positive.code:     kernelPatches = [
        /*
        { name = "ext3cow";
          patch = ../os-specific/linux/kernel/linux-2.6.21.7-ext3cow_wouter.patch;
          extraConfig =
          "CONFIG_EXT3COW_FS=m\n" +
          "CONFIG_EXT3COW_FS_XATTR=y\n" +
  
negative.code:     inherit fetchurl stdenv perl mktemp module_init_tools;
      kernelPatches = [
        { name = "ext3cow";
          patch = ../os-specific/linux/kernel/linux-2.6.20.3-ext3cow.patch;
          extraConfig =
          "CONFIG_EXT3COW_FS=m\n" +
          "CONFIG_EXT3COW_FS_XATTR=y\n" +
  