external/gpl2/lvm2/dist/tools/vgextend.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
   5  * Copyright (C) 2004-2009 Red Hat, Inc. All rights reserved.
   6  *
   7  * This file is part of LVM2.
   8  *
   9  * This copyrighted material is made available to anyone wishing to use,
  10  * modify, copy, or redistribute it subject to the terms and conditions
  11  * of the GNU Lesser General Public License v.2.1.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this program; if not, write to the Free Software Foundation,
  15  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #include "tools.h"
  19
  20 int vgextend(struct cmd_context *cmd, int argc, char **argv)
  21 {
  22         char *vg_name;
  23         struct volume_group *vg = NULL;
  24         int r = ECMD_FAILED;
  25         struct pvcreate_params pp;
  26
  27         if (!argc) {
  28                 log_error("Please enter volume group name and "
  29                           "physical volume(s)");
  30                 return EINVALID_CMD_LINE;
  31         }
  32
  33         vg_name = skip_dev_dir(cmd, argv[0], NULL);
  34         argc--;
  35         argv++;
  36
  37         if (arg_count(cmd, metadatacopies_ARG)) {
  38                 log_error("Invalid option --metadatacopies, "
  39                           "use --pvmetadatacopies instead.");
  40                 return EINVALID_CMD_LINE;
  41         }
  42         pvcreate_params_set_defaults(&pp);
  43         if (!pvcreate_params_validate(cmd, argc, argv, &pp)) {
  44                 return EINVALID_CMD_LINE;
  45         }
  46
  47         log_verbose("Checking for volume group \"%s\"", vg_name);
  48         vg = vg_read_for_update(cmd, vg_name, NULL, 0);
  49         if (vg_read_error(vg)) {
  50                 vg_release(vg);
  51                 stack;
  52                 return ECMD_FAILED;
  53         }
  54
  55         if (!lock_vol(cmd, VG_ORPHANS, LCK_VG_WRITE)) {
  56                 log_error("Can't get lock for orphan PVs");
  57                 unlock_and_release_vg(cmd, vg, vg_name);
  58                 return ECMD_FAILED;
  59         }
  60
  61         if (!archive(vg))
  62                 goto_bad;
  63
  64         /* extend vg */
  65         if (!vg_extend(vg, argc, argv, &pp))
  66                 goto_bad;
  67
  68         /* ret > 0 */
  69         log_verbose("Volume group \"%s\" will be extended by %d new "
  70                     "physical volumes", vg_name, argc);
  71
  72         /* store vg on disk(s) */
  73         if (!vg_write(vg) || !vg_commit(vg))
  74                 goto_bad;
  75
  76         backup(vg);
  77         log_print("Volume group \"%s\" successfully extended", vg_name);
  78         r = ECMD_PROCESSED;
  79
  80 bad:
  81         unlock_vg(cmd, VG_ORPHANS);
  82         unlock_and_release_vg(cmd, vg, vg_name);
  83         return r;
  84 }