Method command_dump_tree

src/mds/MDSRank.cc:3315–3350

}

void MDSRank::command_dump_tree(const cmdmap_t &cmdmap, std::ostream &ss, Formatter *f) 
{
  std::string path;
  cmd_getval(cmdmap, "path", path);
  std::string root;
  cmd_getval(cmdmap, "root", root);
  int64_t depth;
  if (!cmd_getval(cmdmap, "depth", depth)) {
    depth = -1;
  }
  if (root.empty()) {
    root = "/";
  }

  auto dump = [&](Formatter *f) {
    std::lock_guard l(mds_lock);
    CInode *in = mdcache->cache_traverse(filepath(root.c_str()));
    if (!in) {
      ss << "inode for path '" << filepath(root.c_str()) << "' is not in cache";
      return;
    }
    f->open_array_section("inodes");
    mdcache->dump_tree(in, 0, depth, f);
    f->close_section();
  };

  if (!path.empty()) {
    auto ff = JSONFormatterFile(path, false);
    dump(&ff);
    f->open_object_section("result");
    f->dump_string("path", path);
    f->close_section();
  } else {
    dump(f);
  }
}

CDir *MDSRank::_command_dirfrag_get(
    const cmdmap_t &cmdmap,