Added support for creating EXT4 filesystems.
When editing a logical volume, the size is shown in GB or TB where possible.
---- Changes since 1.510 ----
-Mounted ext, reiser, xfs and jfs logical volumes can now have their filesystem size increased, without needing an un-mount. Thanks to Caspar Smit for the suggestions and patches to implement this.
+Mounted ext3+, reiser, xfs and jfs logical volumes can now have their filesystem size increased, without needing an un-mount. Thanks to Caspar Smit for the suggestions and patches to implement this.
When editing a logical volume that is already in /etc/fstab, don't allow the filesystem to format it as to be changed, to prevent a mismatch.