size equal to your kernel's `PAGE_SIZE`, so you may need to specify a block
size when creating the filesystem.
-Currently 4 filesystems support `DAX`: ext2, ext4, xfs and virtiofs.
+Currently 5 filesystems support `DAX`: ext2, ext4, xfs, virtiofs and erofs.
Enabling `DAX` on them is different.
-Enabling DAX on ext2
---------------------
+Enabling DAX on ext2 and erofs
+------------------------------
When mounting the filesystem, use the ``-o dax`` option on the command line or
add 'dax' to the options in ``/etc/fstab``. This works to enable `DAX` on all files