/// <summary>
/// 创建一个新目录
/// </summary>
/// <param name="vfs"></param>
/// <returns></returns>
public static INodeDirectory Create(VFSCore vfs)
{
INode inode = vfs.AllocateINode(1, 2333);
INodeDirectory t = new INodeDirectory(vfs, inode);
t.AddSelf();
return t;
}