mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
fc77e4291b
Introduce cache_long_ARG for those instancies where --cache is not related to caching LV. (pvchange,vg|lv|pvscan). cache_ARG is now with -H shortcut.
104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
|
|
* 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);
|
|
}
|