2 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
3 * Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
5 * This file is part of LVM2.
7 * This copyrighted material is made available to anyone wishing to use,
8 * modify, copy, or redistribute it subject to the terms and conditions
9 * of the GNU Lesser General Public License v.2.1.
11 * You should have received a copy of the GNU Lesser General Public License
12 * along with this program; if not, write to the Free Software Foundation,
13 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 #include "lvm-types.h"
21 * lvrename command implementation.
22 * Check arguments and call lv_rename() to execute the request.
24 int lvrename(struct cmd_context *cmd, int argc, char **argv)
27 char *lv_name_old, *lv_name_new;
28 const char *vg_name, *vg_name_new, *vg_name_old;
32 struct volume_group *vg = NULL;
36 vg_name = skip_dev_dir(cmd, argv[0], NULL);
37 lv_name_old = argv[1];
38 lv_name_new = argv[2];
39 if (strchr(lv_name_old, '/') &&
40 (vg_name_old = extract_vgname(cmd, lv_name_old)) &&
41 strcmp(vg_name_old, vg_name)) {
42 log_error("Please use a single volume group name "
43 "(\"%s\" or \"%s\")", vg_name, vg_name_old);
44 return EINVALID_CMD_LINE;
46 } else if (argc == 2) {
47 lv_name_old = argv[0];
48 lv_name_new = argv[1];
49 vg_name = extract_vgname(cmd, lv_name_old);
51 log_error("Old and new logical volume names required");
52 return EINVALID_CMD_LINE;
55 if (!validate_name(vg_name)) {
56 log_error("Please provide a valid volume group name");
57 return EINVALID_CMD_LINE;
60 if (strchr(lv_name_new, '/') &&
61 (vg_name_new = extract_vgname(cmd, lv_name_new)) &&
62 strcmp(vg_name, vg_name_new)) {
63 log_error("Logical volume names must "
64 "have the same volume group (\"%s\" or \"%s\")",
65 vg_name, vg_name_new);
66 return EINVALID_CMD_LINE;
69 if ((st = strrchr(lv_name_old, '/')))
72 if ((st = strrchr(lv_name_new, '/')))
75 /* Check sanity of new name */
76 maxlen = NAME_LEN - strlen(vg_name) - strlen(cmd->dev_dir) - 3;
77 if (strlen(lv_name_new) > maxlen) {
78 log_error("New logical volume path exceeds maximum length "
79 "of %" PRIsize_t "!", maxlen);
84 log_error("New logical volume name may not be blank");
88 if (!apply_lvname_restrictions(lv_name_new)) {
93 if (!validate_name(lv_name_new)) {
94 log_error("New logical volume name \"%s\" is invalid",
96 return EINVALID_CMD_LINE;
99 if (!strcmp(lv_name_old, lv_name_new)) {
100 log_error("Old and new logical volume names must differ");
101 return EINVALID_CMD_LINE;
104 log_verbose("Checking for existing volume group \"%s\"", vg_name);
105 vg = vg_read_for_update(cmd, vg_name, NULL, 0);
106 if (vg_read_error(vg)) {
112 if (!(lvl = find_lv_in_vg(vg, lv_name_old))) {
113 log_error("Existing logical volume \"%s\" not found in "
114 "volume group \"%s\"", lv_name_old, vg_name);
118 if (!lv_rename(cmd, lvl->lv, lv_name_new))
121 log_print("Renamed \"%s\" to \"%s\" in volume group \"%s\"",
122 lv_name_old, lv_name_new, vg_name);
126 unlock_and_free_vg(cmd, vg, vg_name);