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(* guestfs-inspection
* Copyright (C) 2009-2020 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
open Unix
open Printf
open Std_utils
open Utils
(* List everything in /dev/mapper which *isn't* an LV (RHBZ#688062). *)
let list_dm_devices () =
let ds = Sys.readdir "/dev/mapper" in
let ds = Array.to_list ds in
let ds = List.sort compare ds in
(* Ignore /dev/mapper/control which is used internally by d-m. *)
let ds = List.filter ((<>) "control") ds in
let ds = List.map ((^) "/dev/mapper/") ds in
(* Only keep devices which are _not_ LVs. *)
let ds = List.filter (fun d -> Lvm_utils.lv_canonical d = None) ds in
ds
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