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40 lines
1.3 KiB
OCaml
40 lines
1.3 KiB
OCaml
(* virt-sparsify
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* Copyright (C) 2011-2019 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*)
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(* Utilities/common functions used in virt-sparsify only. *)
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open Printf
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open Std_utils
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module G = Guestfs
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(* Return true if the filesystem is a read-only LV (RHBZ#1185561). *)
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let is_read_only_lv (g : G.guestfs) =
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let lvs = Array.to_list (g#lvs_full ()) in
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let ro_uuids = List.filter_map (
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fun { G.lv_uuid; lv_attr } ->
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if lv_attr.[1] = 'r' then Some lv_uuid else None
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) lvs in
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fun fs ->
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if g#is_lv fs then (
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let uuid = g#lvuuid fs in
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List.exists (fun u -> compare_lvm2_uuids uuid u = 0) ro_uuids
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)
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else false
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