mount
/project on /mount_1 type none (rw,bind)
/project on /mount_2 type none (rw,bind)
/project on /mount_3 type none (rw,bind)
如何使用ruby(不是shell !!)检查某个目录是否安装在/ mount_X上?Ruby检查这个目录中是否有东西被挂载( - 绑定)
有没有比打开/ proc/mounts更容易找到/ mount_X的地方?