After some googling I fixed my issue customizing mkefidisk.wks script, adding
"rootflags=data=journal" to the line related with the bootloader:
bootloader --ptable gpt --timeout=5 --append="rootfstype=ext4
console=ttyS0,115200 console=tty0 rootflags=data=journal noapic"
Now my rootfs is
Hello forum.
I want to customize my rootfs partition to be mounted with the
"data=journal" option enabled.
To do that I have modified my layer adding a custom mkefidisk.wks script
with this contents for the rootfs partition:
part / --source rootfs --ondisk sda --fstype=ext4
