[Unit]
Description=Force fsck on userdata partition
DefaultDependencies=no
Before=local-fs-pre.target
After=systemd-fsck-root.service

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=-/sbin/e2fsck -fy /dev/mmcblk2p9
TimeoutSec=0

[Install]
WantedBy=local-fs-pre.target