[archiso] mkarchiso: Disable lazy_itable_init (ext4)

Ensure that all inode table is initialized at filesystem creation.
(Anyway filesystem is small, so at first mount is may quickly initialized)

This avoid possible COW usage during runtime ;)

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

archiso/mkarchiso

@@ -333,7 +333,7 @@ _mkfs () {
     fi
     case "${_fs_type}" in
         ext4)
-            mkfs.ext4 ${_qflag} -O ^has_journal -m 0 -F "${_fs_img}"
+            mkfs.ext4 ${_qflag} -O ^has_journal -E lazy_itable_init=0 -m 0 -F "${_fs_img}"
             tune2fs -c 0 -i 0 "${_fs_img}" &> /dev/null
             ;;
         ext3)