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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-23 21:35:29 +03:00
lvm2/tools/lvscan.c
2002-02-13 11:43:29 +00:00

126 lines
3.2 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 lvscan_single(struct cmd_context *cmd, struct logical_volume *lv);
int lvscan(struct cmd_context *cmd, int argc, char **argv)
{
if (argc) {
log_error("No additional command line arguments allowed");
return EINVALID_CMD_LINE;
}
return process_each_lv(cmd, 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");
}
*************/
}
static int lvscan_single(struct cmd_context *cmd, struct logical_volume *lv)
{
int active = 0;
int lv_total = 0;
ulong lv_capacity_total = 0;
char *dummy;
const char *active_str, *snapshot_str;
/* FIXME Add -D arg to skip this! */
if (lv_active(lv) > 0) {
active_str = "ACTIVE ";
active++;
} else
active_str = "inactive ";
if (lv_is_origin(lv->vg, lv))
snapshot_str = "Original";
else if (lv_is_cow(lv->vg, lv))
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,
cmd->dev_dir, lv->vg->name, lv->name, dummy,
(lv->status & ALLOC_STRICT) ? " strict" : "",
(lv->status & ALLOC_CONTIGUOUS) ? " contiguous" : "");
dbg_free(dummy);
/* FIXME sprintf? */
/*********** FIXME Handle segments?
if (lv->segments[0]->stripes > 1 && !(lv->status & SNAPSHOT))
log_print(" striped[%u]", lv->segments[0]->stripes);
****************/
/******** FIXME Device number display & Snapshot
if (arg_count(cmd,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;
}