xref: /dragonfly/contrib/lvm2/dist/tools/vgextend.c (revision 9348a738)
1 /*	$NetBSD: vgextend.c,v 1.1.1.2 2009/12/02 00:25:57 haad Exp $	*/
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 
20 int 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 
80 bad:
81 	unlock_vg(cmd, VG_ORPHANS);
82 	unlock_and_release_vg(cmd, vg, vg_name);
83 	return r;
84 }
85