Disable Raspberry PI ext4 journaling

 
Written By Sanjir Habib On Sep-7th, 2018
sudo -i  
echo u > /proc/sysrq-trigger 
echo s > /proc/sysrq-trigger 
tune2fs -O ^has_journal /dev/mmcblk0p2  
e2fsck -fy /dev/mmcblk0p2  
echo s > /proc/sysrq-trigger 
echo b > /proc/sysrq-trigger

This will disable journaling. And reboot the device.