tools/pvremove.c

   1 /*
   2  * Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
   3  * Copyright (C) 2004-2013 Red Hat, Inc. All rights reserved.
   4  *
   5  * This file is part of LVM2.
   6  *
   7  * This copyrighted material is made available to anyone wishing to use,
   8  * modify, copy, or redistribute it subject to the terms and conditions
   9  * of the GNU Lesser General Public License v.2.1.
  10  *
  11  * You should have received a copy of the GNU Lesser General Public License
  12  * along with this program; if not, write to the Free Software Foundation,
  13  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  14  */
  15
  16 #include "tools.h"
  17
  18 int pvremove(struct cmd_context *cmd, int argc, char **argv)
  19 {
  20         struct processing_handle *handle;
  21         struct pvcreate_params pp;
  22         int ret;
  23
  24         if (!argc) {
  25                 log_error("Please enter a physical volume path");
  26                 return EINVALID_CMD_LINE;
  27         }
  28
  29         pvcreate_params_set_defaults(&pp);
  30
  31         pp.is_remove = 1;
  32         pp.force = arg_count(cmd, force_ARG);
  33         pp.yes = arg_count(cmd, yes_ARG);
  34         pp.pv_count = argc;
  35         pp.pv_names = argv;
  36
  37         /* Needed to change the set of orphan PVs. */
  38         if (!lock_global(cmd, "ex")) {
  39                 /* Let pvremove -ff skip locks */
  40                 if (pp.force == DONT_PROMPT_OVERRIDE)
  41                         log_warn("WARNING: skipping global lock for force.");
  42                 else
  43                         return_ECMD_FAILED;
  44         }
  45
  46         clear_hint_file(cmd);
  47
  48         if (!lvmcache_label_scan(cmd))
  49                 return_ECMD_FAILED;
  50
  51         /* When forcibly clearing a PV we don't care about a VG lock. */
  52         if (pp.force == DONT_PROMPT_OVERRIDE)
  53                 cmd->lockd_vg_disable = 1;
  54
  55         if (!(handle = init_processing_handle(cmd, NULL))) {
  56                 log_error("Failed to initialize processing handle.");
  57                 return ECMD_FAILED;
  58         }
  59
  60         /*
  61          * pvremove uses the same toollib function as pvcreate,
  62          * but sets "is_remove" which changes the check function,
  63          * and the actual create vs remove step.
  64          */
  65
  66         if (!pvcreate_each_device(cmd, handle, &pp))
  67                 ret = ECMD_FAILED;
  68         else
  69                 ret = ECMD_PROCESSED;
  70
  71         destroy_processing_handle(cmd, handle);
  72         return ret;
  73 }