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/*
* 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 lvscan_single(const char *vg_name);
int lvscan(int argc, char **argv)
{
int ret;
if (argc) {
log_error("No additional command line arguments allowed");
return EINVALID_CMD_LINE;
}
ret = process_each_vg(argc, argv, &lvscan_single);
/*********** FIXME Count! Add private struct to process_each*
if (!lv_total)
log_print("no logical volumes found");
else {
log_print
("%d logical volumes with %s total in %d volume group%s",
lv_total, (dummy =
display_size(lv_capacity_total / 2, SIZE_SHORT)),
vg_total, vg_total == 1 ? "" : "s");
dbg_free(dummy);
dummy = NULL;
if (lv_active > 0)
printf("%d active", lv_active);
if (lv_active > 0 && lv_total - lv_active > 0)
printf(" / ");
if (lv_total - lv_active > 0)
printf("%d inactive", lv_total - lv_active);
printf(" logical volumes\n");
}
*************/
return ret;
}
static int lvscan_single(const char *vg_name)
{
int lv_active = 0;
int lv_total = 0;
ulong lv_capacity_total = 0;
int vg_total = 0;
char *dummy;
const char *active_str, *snapshot_str;
struct volume_group *vg;
struct logical_volume *lv;
struct list *lvh;
log_verbose("Checking for volume group %s", vg_name);
if (!(vg = ios->vg_read(ios, vg_name))) {
log_error("Volume group %s not found", vg_name);
return ECMD_FAILED;
}
if (vg->status & EXPORTED_VG) {
log_error("Volume group %s is exported", vg_name);
return ECMD_FAILED;
}
vg_total++;
list_iterate(lvh, &vg->lvs) {
lv = &list_item(lvh, struct lv_list)->lv;
if (lv->status & ACTIVE) {
active_str = "ACTIVE ";
lv_active++;
} else
active_str = "inactive ";
if (lv->status & SNAPSHOT_ORG)
snapshot_str = "Original";
else if (lv->status & SNAPSHOT)
snapshot_str = "Snapshot";
else
snapshot_str = " ";
/********** FIXME Snapshot
if (lv->status & SNAPSHOT)
dummy =
display_size(lv->lv_remap_end *
lv->lv_chunk_size / 2,
SIZE_SHORT);
else
***********/
dummy =
display_size(lv->size / 2, SIZE_SHORT);
log_print("%s%s '%s%s/%s' [%s]%s%s", active_str, snapshot_str,
ios->prefix, vg->name, lv->name, dummy,
(lv->status & ALLOC_STRICT) ? " strict" : "",
(lv->status & ALLOC_CONTIGUOUS) ? " contiguous" : "");
dbg_free(dummy);
/* FIXME sprintf? */
if (lv->stripes > 1 && !(lv->status & SNAPSHOT))
log_print(" striped[%u]", lv->stripes);
/******** FIXME Device number display & Snapshot
if (arg_count(blockdevice_ARG))
printf(" %d:%d",
MAJOR(lv->lv_dev),
MINOR(lv->lv_dev));
else
if (lv->status & SNAPSHOT)
printf(" of %s", lv->lv_snapshot_org->name);
*****************/
lv_total++;
/******** FIXME Snapshot
if (lv->status & SNAPSHOT)
lv_capacity_total +=
lv->lv_remap_end * lv->lv_chunk_size
else
********/
lv_capacity_total += lv->size;
}
return 0;
}
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