Function dir_from_offset

src/iocore/cache/P_CacheDir.h:339–351

}

inline Dir *
dir_from_offset(int64_t i, Dir *seg)
{
#if DIR_DEPTH < 5
  if (!i) {
    return nullptr;
  }
  return dir_in_seg(seg, i);
#else
  i = i + ((i - 1) / (DIR_DEPTH - 1));
  return dir_in_seg(seg, i);
#endif
}

inline Dir *
next_dir(Dir *d, Dir *seg)