Boot folder is empty after power failure

General Discussion
3 
root@PoolPi:~# df -h
cat /etc/fstab
lsblk -o name,fstype,label,size,ro,type,mountpoint,partuuid,uuid
Filesystem      Size  Used Avail Use% Mounted on
/dev/root        30G  3.3G   25G  12% /
devtmpfs        207M     0  207M   0% /dev
tmpfs           239M     0  239M   0% /dev/shm
tmpfs            96M  1.6M   94M   2% /run
tmpfs           5.0M     0  5.0M   0% /run/lock
cat: /etc/fstab: Structure needs cleaning
NAME       FSTYPE LABEL  SIZE RO TYPE MOUNTPOINT PARTUUID                             UUID
mmcblk0                 29.2G  0 disk
|-mmcblk0p1
|          vfat          128M  0 part            aad71f1f-01                          2565-1BA0
`-mmcblk0p2
           ext4           29G  0 part /          aad71f1f-02                          14fcf30d-e3ea-40e7-be42-2304f593b40e