具体来说,我有一个脚本可以这样做:mount b ymount c zumount zumount“命令,它就会在退出、传递或失败时(按相反顺序)执行该命令--但是没有成功设置的东西不会被清理掉(因为如果安装失败,清理可能不安全)。或者换个说法,如果一切都成功了,那么它就会按照这个顺序执行umount z,cleanup_thing,umount y,umount
/PNP0A03:00/device:01/PNP0200:00/power/runtime_suspended_time': Operation not permitted-bash: /bin/ps: No such file or directory-bash: cd: /root: Nosuch file or di
/4879 output ---Error in do_umount(ploop.c:983): Failed to umount /vz/root/4879: Device or resource busy
Failed to umount image: Errorin do_umount (ploop.c:983): Failed to