1/*	$NetBSD$	*/
2
3/*
4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5 * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
6 *
7 * This file is part of LVM2.
8 *
9 * This copyrighted material is made available to anyone wishing to use,
10 * modify, copy, or redistribute it subject to the terms and conditions
11 * of the GNU Lesser General Public License v.2.1.
12 *
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16 */
17
18#include "tools.h"
19
20int vgextend(struct cmd_context *cmd, int argc, char **argv)
21{
22	char *vg_name;
23	struct volume_group *vg = NULL;
24	int r = ECMD_FAILED;
25	struct pvcreate_params pp;
26
27	if (!argc) {
28		log_error("Please enter volume group name and "
29			  "physical volume(s)");
30		return EINVALID_CMD_LINE;
31	}
32
33	vg_name = skip_dev_dir(cmd, argv[0], NULL);
34	argc--;
35	argv++;
36
37	if (arg_count(cmd, metadatacopies_ARG)) {
38		log_error("Invalid option --metadatacopies, "
39			  "use --pvmetadatacopies instead.");
40		return EINVALID_CMD_LINE;
41	}
42	pvcreate_params_set_defaults(&pp);
43	if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
44		return EINVALID_CMD_LINE;
45	}
46
47	log_verbose("Checking for volume group \"%s\"", vg_name);
48	vg = vg_read_for_update(cmd, vg_name, NULL, 0);
49	if (vg_read_error(vg)) {
50		vg_release(vg);
51		stack;
52		return ECMD_FAILED;
53	}
54
55	if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
56		log_error("Can't get lock for orphan PVs");
57		unlock_and_release_vg(cmd, vg, vg_name);
58		return ECMD_FAILED;
59	}
60
61	if (!archive(vg))
62		goto_bad;
63
64	/* extend vg */
65	if (!vg_extend(vg, argc, argv, &pp))
66		goto_bad;
67
68	/* ret > 0 */
69	log_verbose("Volume group \"%s\" will be extended by %d new "
70		    "physical volumes", vg_name, argc);
71
72	/* store vg on disk(s) */
73	if (!vg_write(vg) || !vg_commit(vg))
74		goto_bad;
75
76	backup(vg);
77	log_print("Volume group \"%s\" successfully extended", vg_name);
78	r = ECMD_PROCESSED;
79
80bad:
81	unlock_vg(cmd, VG_ORPHANS);
82	unlock_and_release_vg(cmd, vg, vg_name);
83	return r;
84}
85