1 /* $NetBSD: pvdisplay.c,v 1.1.1.2 2009/12/02 00:25:54 haad Exp $ */
2
3 /*
4 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
5 * Copyright (C) 2004-2007 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
_pvdisplay_single(struct cmd_context * cmd,struct volume_group * vg,struct physical_volume * pv,void * handle)20 static int _pvdisplay_single(struct cmd_context *cmd,
21 struct volume_group *vg,
22 struct physical_volume *pv, void *handle)
23 {
24 struct pv_list *pvl;
25 int ret = ECMD_PROCESSED;
26 uint64_t size;
27 struct volume_group *old_vg = vg;
28
29 const char *pv_name = pv_dev_name(pv);
30 const char *vg_name = NULL;
31
32 if (!is_orphan(pv) && !vg) {
33 vg_name = pv_vg_name(pv);
34 vg = vg_read(cmd, vg_name, (char *)&pv->vgid, 0);
35 if (vg_read_error(vg)) {
36 log_error("Skipping volume group %s", vg_name);
37 vg_release(vg);
38 /* FIXME If CLUSTERED should return ECMD_PROCESSED here */
39 return ECMD_FAILED;
40 }
41
42 /*
43 * Replace possibly incomplete PV structure with new one
44 * allocated in vg_read_internal() path.
45 */
46 if (!(pvl = find_pv_in_vg(vg, pv_name))) {
47 log_error("Unable to find \"%s\" in volume group \"%s\"",
48 pv_name, vg->name);
49 ret = ECMD_FAILED;
50 goto out;
51 }
52
53 pv = pvl->pv;
54 }
55
56 if (is_orphan(pv))
57 size = pv_size(pv);
58 else
59 size = (pv_pe_count(pv) - pv_pe_alloc_count(pv)) *
60 pv_pe_size(pv);
61
62 if (arg_count(cmd, short_ARG)) {
63 log_print("Device \"%s\" has a capacity of %s", pv_name,
64 display_size(cmd, size));
65 goto out;
66 }
67
68 if (pv_status(pv) & EXPORTED_VG)
69 log_print("Physical volume \"%s\" of volume group \"%s\" "
70 "is exported", pv_name, pv_vg_name(pv));
71
72 if (is_orphan(pv))
73 log_print("\"%s\" is a new physical volume of \"%s\"",
74 pv_name, display_size(cmd, size));
75
76 if (arg_count(cmd, colon_ARG)) {
77 pvdisplay_colons(pv);
78 goto out;
79 }
80
81 pvdisplay_full(cmd, pv, handle);
82
83 if (arg_count(cmd, maps_ARG))
84 pvdisplay_segments(pv);
85
86 out:
87 if (vg_name)
88 unlock_vg(cmd, vg_name);
89 if (!old_vg)
90 vg_release(vg);
91
92 return ret;
93 }
94
pvdisplay(struct cmd_context * cmd,int argc,char ** argv)95 int pvdisplay(struct cmd_context *cmd, int argc, char **argv)
96 {
97 if (arg_count(cmd, columns_ARG)) {
98 if (arg_count(cmd, colon_ARG) || arg_count(cmd, maps_ARG) ||
99 arg_count(cmd, short_ARG)) {
100 log_error("Incompatible options selected");
101 return EINVALID_CMD_LINE;
102 }
103 return pvs(cmd, argc, argv);
104 } else if (arg_count(cmd, aligned_ARG) ||
105 arg_count(cmd, all_ARG) ||
106 arg_count(cmd, noheadings_ARG) ||
107 arg_count(cmd, options_ARG) ||
108 arg_count(cmd, separator_ARG) ||
109 arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
110 log_error("Incompatible options selected");
111 return EINVALID_CMD_LINE;
112 }
113
114 if (arg_count(cmd, colon_ARG) && arg_count(cmd, maps_ARG)) {
115 log_error("Option -v not allowed with option -c");
116 return EINVALID_CMD_LINE;
117 }
118
119 return process_each_pv(cmd, argc, argv, NULL, 0, 0, NULL,
120 _pvdisplay_single);
121 }
122