rk-partition mount with offset

root@nix-s00a-02:~# parted /dev/mmcblk0 unit s print
Warning: Not all of the space available to /dev/mmcblk0 appears to be used, you can fix the GPT to use all of the space (an extra 28567552 blocks) or continue with the current setting?
Fix/Ignore? Ignore
Model: MMC AJTD4R (sd/mmc)
Disk /dev/mmcblk0: 30535680s
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number  Start    End       Size      File system  Name     Flags
 1      64s      8063s     8000s                  loader1
 2      16384s   24575s    8192s                  loader2
 3      24576s   32767s    8192s                  trust
 4      32768s   262143s   229376s   fat16        boot     boot, esp
 5      262144s  1968094s  1705951s  ext4         rootfs


# offset = 262144 * 512 = 134217728
root@nix-s00a-02:~# mount -o offset=134217728 /dev/mmcblk0
mmcblk0      mmcblk0p1    mmcblk0p2    mmcblk0p3    mmcblk0p4    mmcblk0p5    mmcblk0rpmb
root@nix-s00a-02:~# mount -o offset=134217728 /dev/mmcblk0 /mnt/
root@nix-s00a-02:~# mount | grep mmcblk
/dev/mmcblk1 on / type ext4 (rw,relatime,data=ordered)
/dev/mmcblk0 on /mnt type ext4 (rw,relatime,data=ordered)
root@nix-s00a-02:~# ls /mnt/
bin         boot        dev         etc         home        lib         lost+found  media       mnt         opt         proc        run         sbin        sys         tmp         usr         var
root@nix-s00a-02:~#