我正在尝试在我的 loop0 设备上创建一个加密驱动器。对于这个命令
/sbin/cryptsetup create cryptedDrive /dev/loop0
我收到以下错误
无法读取设备 /dev/loop0
这是我的 loop3 设备的 strace 输出：
（为了更好的粘贴 -> pastebin）
munmap(0xb7845000, 4096) = 0
mlockall(MCL_CURRENT|MCL_FUTURE) = 0
getpriority(PRIO_PROCESS, 0) = 20
setpriority(PRIO_PROCESS, 0, -18) = 0
stat64("/dev/loop3", {st_mode=S_IFBLK|0660, st_rdev=makedev(7, 3), ...}) = 0
open("/dev/loop3", O_RDONLY|O_SYNC|O_DIRECT|O_LARGEFILE) = 3
ioctl(3, BLKSSZGET, 0xbff2ad84) = 0
fstatfs64(3, 84, {f_type=0x1021994, f_bsize=4096, f_blocks=46077, f_bfree=46033, f_bavail=46033, f_files=46077, f_ffree=45421, f_fsid={0, 0}, f_namelen=255, f_frsize=4096}) = 0
fstat64(3, {st_mode=S_IFBLK|0660, st_rdev=makedev(7, 3), ...}) = 0
open("/proc/mounts", O_RDONLY) = 4
fstat64(4, {st_mode=S_IFREG|0444, st_size=0, …