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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-27 07:22:49 +03:00
lvm2/tools/pvdisplay.c
2001-11-12 15:10:01 +00:00

132 lines
3.4 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"
void pvdisplay_single(struct physical_volume *pv);
int pvdisplay(int argc, char **argv)
{
int opt=0;
struct list *pvh, *pvs;
struct physical_volume *pv;
if (arg_count(colon_ARG) && arg_count(verbose_ARG)) {
log_error("Option -v not allowed with option -c");
return EINVALID_CMD_LINE;
}
if (argc) {
log_very_verbose("Using physical volume(s) on command line");
for (; opt < argc; opt++) {
if (!(pv = fid->ops->pv_read(fid, argv[opt]))) {
log_error("Failed to read physical volume %s",
argv[opt]);
continue;
}
pvdisplay_single(pv);
}
} else {
log_verbose("Scanning for physical volume names");
if (!(pvs = fid->ops->get_pvs(fid)))
return ECMD_FAILED;
list_iterate(pvh, pvs)
pvdisplay_single(&list_item(pvh, struct pv_list)->pv);
}
return 0;
}
void pvdisplay_single(struct physical_volume *pv)
{
char *sz;
uint64_t size;
const char *pv_name = dev_name(pv->dev);
if (!*pv->vg_name)
size = pv->size;
else
size = (pv->pe_count - pv->pe_allocated) * pv->pe_size;
if (arg_count(short_ARG)) {
sz = display_size(size / 2, SIZE_SHORT);
log_print("Device '%s' has a capacity of %s", pv_name, sz);
dbg_free(sz);
return;
}
if (pv->status & EXPORTED_VG)
log_print("Physical volume '%s' of volume group '%s' "
"is exported" , pv_name, pv->vg_name);
/********* FIXME
log_error("no physical volume identifier on \"%s\"" , pv_name);
*********/
if (!pv->vg_name) {
log_print ( "'%s' is a new physical volume of %s",
pv_name, ( sz = display_size ( size / 2,
SIZE_SHORT)));
dbg_free(sz);
}
/* FIXME: Check active - no point?
log_very_verbose("checking physical volume activity" );
pv_check_active ( pv->vg_name, pv->pv_name)
pv_status ( pv->vg_name, pv->pv_name, &pv)
*/
/* FIXME: Check consistency - do this when reading metadata BUT trigger mesgs
log_very_verbose("checking physical volume consistency" );
ret = pv_check_consistency (pv)
*/
if (arg_count(colon_ARG)) {
pvdisplay_colons(pv);
return;
}
pvdisplay_full(pv);
if (!arg_count(verbose_ARG))
return;
/******* FIXME
if (pv->pe_allocated) {
if (!(pv->pe = pv_read_pe(pv_name, pv)))
goto pvdisplay_device_out;
if (!(lvs = pv_read_lvs(pv))) {
log_error("Failed to read LVs on %s", pv->pv_name);
goto pvdisplay_device_out;
}
pv_display_pe_text(pv, pv->pe, lvs);
} else
log_print("no logical volume on physical volume %s", pv_name);
**********/
return;
}