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(* virt-sparsify
* Copyright (C) 2011-2020 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.
*)
(* Utilities/common functions used in virt-sparsify only. *)
open Printf
open Std_utils
module G = Guestfs
(* Return true if the filesystem is a read-only LV (RHBZ#1185561). *)
let is_read_only_lv (g : G.guestfs) =
let lvs = Array.to_list (g#lvs_full ()) in
let ro_uuids = List.filter_map (
fun { G.lv_uuid; lv_attr } ->
if lv_attr.[1] = 'r' then Some lv_uuid else None
) lvs in
fun fs ->
if g#is_lv fs then (
let uuid = g#lvuuid fs in
List.exists (fun u -> compare_lvm2_uuids uuid u = 0) ro_uuids
)
else false
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