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lvm2/tools/vgscan.c
2001-11-12 15:10:01 +00:00

70 lines
1.8 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 vgscan_single(const char *vg_name);
int vgscan(int argc, char **argv)
{
if (argc) {
log_error("Too many parameters on command line");
return EINVALID_CMD_LINE;
}
log_verbose("Wiping cache of LVM-capable devices");
persistent_filter_wipe(fid->cmd->filter);
log_print("Reading all physical volumes (this may take a while...)");
return process_each_vg(argc, argv, &vgscan_single);
}
static int vgscan_single(const char *vg_name)
{
struct volume_group *vg;
log_verbose("Checking for volume group %s", vg_name);
if (!(vg = fid->ops->vg_read(fid, vg_name))) {
log_error("Volume group %s not found", vg_name);
return ECMD_FAILED;
}
log_print("Found %sactive volume group %s",
(vg->status & ACTIVE) ? "" : "in", vg_name);
if (!(vg->status & ACTIVE)) {
vg->status |= ACTIVE;
if (!(fid->ops->vg_write(fid, vg))) {
log_error("Failed to activate volume group %s",
vg_name);
return ECMD_FAILED;
}
}
/* FIXME: Creates /dev/vg */
activate_lvs_in_vg(vg);
log_print("Volume Group %s activated", vg_name);
return 0;
}