mirror of
git://sourceware.org/git/lvm2.git
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128 lines
3.1 KiB
C
128 lines
3.1 KiB
C
/*
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* Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v.2.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "tools.h"
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const char _really_wipe[] =
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"Really WIPE LABELS from physical volume \"%s\" of volume group \"%s\" [y/n]? ";
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/*
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* Decide whether it is "safe" to wipe the labels on this device.
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* 0 indicates we may not.
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*/
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static int pvremove_check(struct cmd_context *cmd, const char *name)
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{
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struct physical_volume *pv;
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/* is the partition type set correctly ? */
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if ((arg_count(cmd, force_ARG) < 1) && !is_lvm_partition(name)) {
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log_error("%s: Not LVM partition type: use -f to override",
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name);
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return 0;
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}
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/* is there a pv here already */
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if (!(pv = pv_read(cmd, name, NULL, NULL)))
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return 1;
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/* orphan ? */
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if (!pv->vg_name[0])
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return 1;
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/* Allow partial & exported VGs to be destroyed. */
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/* we must have -ff to overwrite a non orphan */
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if (arg_count(cmd, force_ARG) < 2) {
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log_error("Can't pvremove physical volume \"%s\" of "
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"volume group \"%s\" without -ff", name, pv->vg_name);
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return 0;
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}
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/* prompt */
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if (!arg_count(cmd, yes_ARG) &&
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yes_no_prompt(_really_wipe, name, pv->vg_name) == 'n') {
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log_print("%s: physical volume label not removed", name);
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return 0;
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}
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if (arg_count(cmd, force_ARG)) {
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log_print("WARNING: Wiping physical volume label from "
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"%s%s%s%s", name,
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pv->vg_name[0] ? " of volume group \"" : "",
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pv->vg_name[0] ? pv->vg_name : "",
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pv->vg_name[0] ? "\"" : "");
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}
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return 1;
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}
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static int pvremove_single(struct cmd_context *cmd, const char *pv_name,
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void *handle)
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{
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struct device *dev;
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if (!lock_vol(cmd, "", LCK_VG_WRITE)) {
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log_error("Can't get lock for orphan PVs");
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return ECMD_FAILED;
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}
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if (!pvremove_check(cmd, pv_name))
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goto error;
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if (!(dev = dev_cache_get(pv_name, cmd->filter))) {
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log_error("%s: Couldn't find device.", pv_name);
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goto error;
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}
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/* Wipe existing label(s) */
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if (!label_remove(dev)) {
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log_error("Failed to wipe existing label(s) on %s", pv_name);
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goto error;
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}
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log_print("Labels on physical volume \"%s\" successfully wiped",
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pv_name);
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unlock_vg(cmd, "");
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return ECMD_PROCESSED;
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error:
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unlock_vg(cmd, "");
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return ECMD_FAILED;
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}
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int pvremove(struct cmd_context *cmd, int argc, char **argv)
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{
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int i, r;
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int ret = ECMD_PROCESSED;
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if (!argc) {
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log_error("Please enter a physical volume path");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, yes_ARG) && !arg_count(cmd, force_ARG)) {
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log_error("Option y can only be given with option f");
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return EINVALID_CMD_LINE;
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}
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for (i = 0; i < argc; i++) {
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r = pvremove_single(cmd, argv[i], NULL);
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if (r > ret)
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ret = r;
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}
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return ret;
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}
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