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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-22 17:35:59 +03:00
lvm2/tools/vgdisplay.c

104 lines
2.7 KiB
C

/*
* Copyright (C) 2001 Sistina Software
*
* LVM is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* LVM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with LVM; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include "tools.h"
static int vgdisplay_single(struct cmd_context *cmd, const char *vg_name);
int vgdisplay(struct cmd_context *cmd, int argc, char **argv)
{
if (arg_count(cmd, colon_ARG) && arg_count(cmd, short_ARG)) {
log_error("Option -c is not allowed with option -s");
return EINVALID_CMD_LINE;
}
if (argc && arg_count(cmd, activevolumegroups_ARG)) {
log_error("Option -A is not allowed with volume group names");
return EINVALID_CMD_LINE;
}
/* FIXME -D disk_ARG is now redundant */
/********* FIXME: Do without this - or else 2(+) passes!
Figure out longest volume group name
for (c = opt; opt < argc; opt++) {
len = strlen(argv[opt]);
if (len > max_len)
max_len = len;
}
**********/
process_each_vg(cmd, argc, argv, LCK_READ, &vgdisplay_single);
/******** FIXME Need to count number processed
Add this to process_each_vg if arg_count(cmd,activevolumegroups_ARG) ?
if (opt == argc) {
log_print("no ");
if (arg_count(cmd,activevolumegroups_ARG))
printf("active ");
printf("volume groups found\n\n");
return LVM_E_NO_VG;
}
************/
return 0;
}
static int vgdisplay_single(struct cmd_context *cmd, const char *vg_name)
{
struct volume_group *vg;
/* FIXME Do the active check here if activevolumegroups_ARG ? */
log_very_verbose("Finding volume group \"%s\"", vg_name);
if (!(vg = cmd->fid->ops->vg_read(cmd->fid, vg_name))) {
log_error("Volume group \"%s\" doesn't exist", vg_name);
return ECMD_FAILED;
}
if (vg->status & EXPORTED_VG)
log_print("WARNING: volume group \"%s\" is exported", vg_name);
if (arg_count(cmd, colon_ARG)) {
vgdisplay_colons(vg);
return 0;
}
if (arg_count(cmd, short_ARG)) {
vgdisplay_short(vg);
return 0;
}
vgdisplay_full(vg); /* was vg_show */
if (arg_count(cmd, verbose_ARG)) {
vgdisplay_extents(vg);
process_each_lv_in_vg(cmd, vg, &lvdisplay_full);
log_print("--- Physical volumes ---");
process_each_pv_in_vg(cmd, vg, &pvdisplay_short);
}
return 0;
}