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013f27e3e6
Make readonly locking available as locking type 4. Fix readonly locking to permit writeable global locks (for vgscan). (2.02.49)
75 lines
2.0 KiB
C
75 lines
2.0 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tools.h"
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int vgcfgrestore(struct cmd_context *cmd, int argc, char **argv)
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{
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char *vg_name = NULL;
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if (argc == 1) {
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vg_name = skip_dev_dir(cmd, argv[0], NULL);
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if (!validate_name(vg_name)) {
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log_error("Volume group name \"%s\" is invalid", vg_name);
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return ECMD_FAILED;
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}
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} else if (!(arg_count(cmd, list_ARG) && arg_count(cmd, file_ARG))) {
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log_error("Please specify a *single* volume group to restore.");
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return ECMD_FAILED;
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}
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/*
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* FIXME: overloading the -l arg for now to display a
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* list of archive files for a particular vg
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*/
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if (arg_count(cmd, list_ARG)) {
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if (!(arg_count(cmd,file_ARG) ?
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archive_display_file(cmd,
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arg_str_value(cmd, file_ARG, "")) :
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archive_display(cmd, vg_name))) {
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stack;
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return ECMD_FAILED;
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}
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return ECMD_PROCESSED;
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}
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if (!lock_vol(cmd, vg_name, LCK_VG_WRITE)) {
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log_error("Unable to lock volume group %s", vg_name);
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return ECMD_FAILED;
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}
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if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
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log_error("Unable to lock orphans");
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unlock_vg(cmd, vg_name);
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return ECMD_FAILED;
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}
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if (!(arg_count(cmd, file_ARG) ?
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backup_restore_from_file(cmd, vg_name,
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arg_str_value(cmd, file_ARG, "")) :
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backup_restore(cmd, vg_name))) {
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unlock_vg(cmd, VG_ORPHANS);
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unlock_vg(cmd, vg_name);
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log_error("Restore failed.");
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return ECMD_FAILED;
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}
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log_print("Restored volume group %s", vg_name);
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unlock_vg(cmd, VG_ORPHANS);
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unlock_vg(cmd, vg_name);
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return ECMD_PROCESSED;
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}
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