//usage: "[-E extended-options] device"
//usage:#define e2fsck_full_usage "\n\n"
//usage: "Check ext2/ext3 file system\n"
-//usage: "\nOptions:"
//usage: "\n -p Automatic repair (no questions)"
//usage: "\n -n Make no changes to the filesystem"
//usage: "\n -y Assume 'yes' to all questions"