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lvm2/tools/pvdisplay.c

122 lines
3.3 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
static int _pvdisplay_single(struct cmd_context *cmd,
struct volume_group *vg __attribute((unused)),
struct physical_volume *pv, void *handle)
{
struct pv_list *pvl;
int consistent = 0;
int ret = ECMD_PROCESSED;
uint64_t size;
const char *pv_name = pv_dev_name(pv);
if (pv_vg_name(pv)) {
if (!lock_vol(cmd, pv_vg_name(pv), LCK_VG_READ)) {
log_error("Can't lock %s: skipping", pv_vg_name(pv));
return ECMD_FAILED;
}
if (!(vg = vg_read(cmd, pv_vg_name(pv), (char *)&pv->vgid, &consistent))) {
log_error("Can't read %s: skipping", pv_vg_name(pv));
goto out;
}
if (!vg_check_status(vg, CLUSTERED)) {
ret = ECMD_FAILED;
goto out;
}
/*
* Replace possibly incomplete PV structure with new one
* allocated in vg_read() path.
*/
if (!(pvl = find_pv_in_vg(vg, pv_name))) {
log_error("Unable to find \"%s\" in volume group \"%s\"",
pv_name, vg->name);
ret = ECMD_FAILED;
goto out;
}
pv = pvl->pv;
}
if (is_orphan(pv))
size = pv_size(pv);
else
size = (pv_pe_count(pv) - pv_pe_alloc_count(pv)) *
pv_pe_size(pv);
if (arg_count(cmd, short_ARG)) {
log_print("Device \"%s\" has a capacity of %s", pv_name,
display_size(cmd, size));
goto out;
}
if (pv_status(pv) & EXPORTED_VG)
log_print("Physical volume \"%s\" of volume group \"%s\" "
"is exported", pv_name, pv_vg_name(pv));
if (is_orphan(pv))
log_print("\"%s\" is a new physical volume of \"%s\"",
pv_name, display_size(cmd, size));
if (arg_count(cmd, colon_ARG)) {
pvdisplay_colons(pv);
goto out;
}
pvdisplay_full(cmd, pv, handle);
if (arg_count(cmd, maps_ARG))
pvdisplay_segments(pv);
out:
if (pv_vg_name(pv))
unlock_vg(cmd, pv_vg_name(pv));
return ret;
}
int pvdisplay(struct cmd_context *cmd, int argc, char **argv)
{
if (arg_count(cmd, columns_ARG)) {
if (arg_count(cmd, colon_ARG) || arg_count(cmd, maps_ARG) ||
arg_count(cmd, short_ARG)) {
log_error("Incompatible options selected");
return EINVALID_CMD_LINE;
}
return pvs(cmd, argc, argv);
} else if (arg_count(cmd, aligned_ARG) ||
arg_count(cmd, all_ARG) ||
arg_count(cmd, noheadings_ARG) ||
arg_count(cmd, options_ARG) ||
arg_count(cmd, separator_ARG) ||
arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
log_error("Incompatible options selected");
return EINVALID_CMD_LINE;
}
if (arg_count(cmd, colon_ARG) && arg_count(cmd, maps_ARG)) {
log_error("Option -v not allowed with option -c");
return EINVALID_CMD_LINE;
}
return process_each_pv(cmd, argc, argv, NULL, NULL, _pvdisplay_single);
}