Android存储系统-MountService 和vold 对外置存储的管理(1)
现状介绍PIXEL举例sailfish:/ # df/dev/root 1999708 782936 1216772 40% /tmpfs 1898544 436 1898108 1% /devtmpfs 1898544 0 1898544 0% /mnt/dev/block/sda31 292868 224200 68668 77% /vendor/dev/bl