Method Mkdir

src/filesystem/ramfs/ramfs.cpp:252–256

}

auto RamFs::RamFsInodeOps::Mkdir(Inode* dir, const char* name)
    -> Expected<Inode*> {
  // 复用 Create，但指定类型为目录
  return Create(dir, name, FileType::kDirectory);
}

auto RamFs::RamFsInodeOps::Rmdir(Inode* dir, const char* name)
    -> Expected<void> {