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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2006 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 _lvscan_single_lvmetad(struct cmd_context *cmd, struct logical_volume *lv)
{
struct pv_list *pvl;
struct dm_list all_pvs;
char pvid_s[64] __attribute__((aligned(8)));
if (!lvmetad_used()) {
log_verbose("Ignoring lvscan --cache because lvmetad is not in use.");
return ECMD_PROCESSED;
}
dm_list_init(&all_pvs);
if (!get_pv_list_for_lv(lv->vg->vgmem, lv, &all_pvs))
return ECMD_FAILED;
dm_list_iterate_items(pvl, &all_pvs) {
if (!pvl->pv->dev) {
if (!id_write_format(&pvl->pv->id, pvid_s, sizeof(pvid_s)))
stack;
else
log_warn("WARNING: Device for PV %s already missing, skipping.",
pvid_s);
continue;
}
if (!lvmetad_pvscan_single(cmd, pvl->pv->dev, NULL))
return ECMD_FAILED;
}
return ECMD_PROCESSED;
}
static int lvscan_single(struct cmd_context *cmd, struct logical_volume *lv,
void *handle __attribute__((unused)))
{
struct lvinfo info;
int inkernel, snap_active = 1;
dm_percent_t snap_percent; /* fused, fsize; */
const char *active_str, *snapshot_str;
if (arg_count(cmd, cache_long_ARG))
return _lvscan_single_lvmetad(cmd, lv);
if (!arg_count(cmd, all_ARG) && !lv_is_visible(lv))
return ECMD_PROCESSED;
inkernel = lv_info(cmd, lv, 0, &info, 0, 0) && info.exists;
if (lv_is_cow(lv)) {
if (inkernel &&
(snap_active = lv_snapshot_percent(lv, &snap_percent)))
if (snap_percent == DM_PERCENT_INVALID)
snap_active = 0;
}
/* FIXME Add -D arg to skip this! */
if (inkernel && snap_active)
active_str = "ACTIVE ";
else
active_str = "inactive ";
if (lv_is_origin(lv))
snapshot_str = "Original";
else if (lv_is_cow(lv))
snapshot_str = "Snapshot";
else
snapshot_str = " ";
log_print_unless_silent("%s%s '%s%s/%s' [%s] %s", active_str, snapshot_str,
cmd->dev_dir, lv->vg->name, lv->name,
display_size(cmd, lv->size),
get_alloc_string(lv->alloc));
return ECMD_PROCESSED;
}
int lvscan(struct cmd_context *cmd, int argc, char **argv)
{
if (argc && !arg_count(cmd, cache_long_ARG)) {
log_error("No additional command line arguments allowed");
return EINVALID_CMD_LINE;
}
return process_each_lv(cmd, argc, argv, 0, NULL,
&lvscan_single);
}
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