/*      $NetBSD: vgscan.c,v 1.1.1.2 2009/12/02 00:25:58 haad Exp $      */

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2009 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 vgscan_single(struct cmd_context *cmd, const char *vg_name,
                        struct volume_group *vg,
                        void *handle __attribute((unused)))
{
       log_print("Found %svolume group \"%s\" using metadata type %s",
                 vg_is_exported(vg) ? "exported " : "", vg_name,
                 vg->fid->fmt->name);

       check_current_backup(vg);

       return ECMD_PROCESSED;
}

int vgscan(struct cmd_context *cmd, int argc, char **argv)
{
       int maxret, ret;

       if (argc) {
               log_error("Too many parameters on command line");
               return EINVALID_CMD_LINE;
       }

       if (!lock_vol(cmd, VG_GLOBAL, LCK_VG_WRITE)) {
               log_error("Unable to obtain global lock.");
               return ECMD_FAILED;
       }

       persistent_filter_wipe(cmd->filter);
       lvmcache_destroy(cmd, 1);

       log_print("Reading all physical volumes.  This may take a while...");

       maxret = process_each_vg(cmd, argc, argv, 0, NULL,
                                &vgscan_single);

       if (arg_count(cmd, mknodes_ARG)) {
               ret = vgmknodes(cmd, argc, argv);
               if (ret > maxret)
                       maxret = ret;
       }

       unlock_vg(cmd, VG_GLOBAL);
       return maxret;
}