(** get file system statistics *)
val tune2fs_l : t -> string -> (string * string) list
-(** get ext2/ext3 superblock details *)
+(** get ext2/ext3/ext4 superblock details *)
val blockdev_setro : t -> string -> unit
(** set block device to read-only *)
val mount_vfs : t -> string -> string -> string -> string -> unit
(** mount a guest disk with mount options and vfstype *)
+val debug : t -> string -> string array -> string
+(** debugging and internals *)
+
+val lvremove : t -> string -> unit
+(** remove an LVM logical volume *)
+
+val vgremove : t -> string -> unit
+(** remove an LVM volume group *)
+
+val pvremove : t -> string -> unit
+(** remove an LVM physical volume *)
+
+val set_e2label : t -> string -> string -> unit
+(** set the ext2/3/4 filesystem label *)
+
+val get_e2label : t -> string -> string
+(** get the ext2/3/4 filesystem label *)
+
+val set_e2uuid : t -> string -> string -> unit
+(** set the ext2/3/4 filesystem UUID *)
+
+val get_e2uuid : t -> string -> string
+(** get the ext2/3/4 filesystem UUID *)
+