mirror of
git://sourceware.org/git/lvm2.git
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172bad0d56
Change some inconsistent messages and adopt the new wording "PV %s is used by" in place of "PV %s is marked as belonging to" or "PV %s belongs to".
244 lines
6.7 KiB
C
244 lines
6.7 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2015 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 Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tools.h"
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struct pvchange_params {
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unsigned done;
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unsigned total;
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};
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static int _pvchange_single(struct cmd_context *cmd, struct volume_group *vg,
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struct physical_volume *pv, struct processing_handle *handle)
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{
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struct pvchange_params *params = (struct pvchange_params *) handle->custom_handle;
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const char *pv_name = pv_dev_name(pv);
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char uuid[64] __attribute__((aligned(8)));
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unsigned done = 0;
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int used;
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int allocatable = arg_int_value(cmd, allocatable_ARG, 0);
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int mda_ignore = arg_int_value(cmd, metadataignore_ARG, 0);
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int tagargs = arg_count(cmd, addtag_ARG) + arg_count(cmd, deltag_ARG);
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params->total++;
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/* If in a VG, must change using volume group. */
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if (!is_orphan(pv)) {
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if (tagargs && !(vg->fid->fmt->features & FMT_TAGS)) {
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log_error("Volume group containing %s does not "
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"support tags", pv_name);
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goto bad;
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}
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if (arg_count(cmd, uuid_ARG) && lvs_in_vg_activated(vg)) {
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log_error("Volume group containing %s has active "
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"logical volumes", pv_name);
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goto bad;
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}
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if (!archive(vg))
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goto_bad;
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} else {
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if (tagargs) {
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log_error("Can't change tag on Physical Volume %s not "
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"in volume group", pv_name);
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goto bad;
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}
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if ((used = is_used_pv(pv)) < 0)
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goto_bad;
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if (used && (arg_count(cmd, force_ARG) != DONT_PROMPT_OVERRIDE)) {
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log_error("PV %s is used by a VG but its metadata is missing.", pv_name);
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log_error("Can't change PV '%s' without -ff.", pv_name);
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goto bad;
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}
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}
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if (arg_count(cmd, allocatable_ARG)) {
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if (is_orphan(pv) &&
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!(pv->fmt->features & FMT_ORPHAN_ALLOCATABLE)) {
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log_error("Allocatability not supported by orphan "
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"%s format PV %s", pv->fmt->name, pv_name);
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goto bad;
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}
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/* change allocatability for a PV */
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if (allocatable && (pv_status(pv) & ALLOCATABLE_PV)) {
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log_warn("Physical volume \"%s\" is already "
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"allocatable.", pv_name);
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} else if (!allocatable && !(pv_status(pv) & ALLOCATABLE_PV)) {
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log_warn("Physical volume \"%s\" is already "
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"unallocatable.", pv_name);
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} else if (allocatable) {
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log_verbose("Setting physical volume \"%s\" "
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"allocatable", pv_name);
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pv->status |= ALLOCATABLE_PV;
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done = 1;
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} else {
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log_verbose("Setting physical volume \"%s\" NOT "
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"allocatable", pv_name);
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pv->status &= ~ALLOCATABLE_PV;
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done = 1;
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}
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}
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/*
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* Needed to change a property on an orphan PV.
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* i.e. the global lock is only needed for orphans.
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* Convert sh to ex.
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*/
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if (is_orphan(pv)) {
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if (!lockd_gl(cmd, "ex", 0))
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return_ECMD_FAILED;
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cmd->lockd_gl_disable = 1;
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}
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if (tagargs) {
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/* tag or deltag */
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if (arg_count(cmd, addtag_ARG) && !change_tag(cmd, NULL, NULL, pv, addtag_ARG))
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goto_bad;
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if (arg_count(cmd, deltag_ARG) && !change_tag(cmd, NULL, NULL, pv, deltag_ARG))
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goto_bad;
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done = 1;
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}
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if (arg_count(cmd, metadataignore_ARG)) {
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if ((vg_mda_copies(vg) != VGMETADATACOPIES_UNMANAGED) &&
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(arg_count(cmd, force_ARG) == PROMPT) &&
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yes_no_prompt("Override preferred number of copies "
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"of VG %s metadata? [y/n]: ",
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pv_vg_name(pv)) == 'n')
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goto_bad;
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if (!pv_change_metadataignore(pv, mda_ignore))
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goto_bad;
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done = 1;
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}
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if (arg_count(cmd, uuid_ARG)) {
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/* --uuid: Change PV ID randomly */
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memcpy(&pv->old_id, &pv->id, sizeof(pv->id));
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if (!id_create(&pv->id)) {
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log_error("Failed to generate new random UUID for %s.",
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pv_name);
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goto bad;
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}
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if (!id_write_format(&pv->id, uuid, sizeof(uuid)))
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goto_bad;
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log_verbose("Changing uuid of %s to %s.", pv_name, uuid);
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if (!is_orphan(pv) && (!pv_write(cmd, pv, 1))) {
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log_error("pv_write with new uuid failed "
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"for %s.", pv_name);
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goto bad;
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}
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done = 1;
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}
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if (!done) {
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log_print_unless_silent("Physical volume %s not changed", pv_name);
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return ECMD_PROCESSED;
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}
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log_verbose("Updating physical volume \"%s\"", pv_name);
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if (!is_orphan(pv)) {
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if (!vg_write(vg) || !vg_commit(vg)) {
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log_error("Failed to store physical volume \"%s\" in "
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"volume group \"%s\"", pv_name, vg->name);
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goto bad;
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}
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backup(vg);
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} else if (!(pv_write(cmd, pv, 0))) {
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log_error("Failed to store physical volume \"%s\"",
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pv_name);
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goto bad;
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}
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log_print_unless_silent("Physical volume \"%s\" changed", pv_name);
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params->done++;
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return ECMD_PROCESSED;
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bad:
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log_error("Physical volume %s not changed", pv_name);
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return ECMD_FAILED;
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}
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int pvchange(struct cmd_context *cmd, int argc, char **argv)
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{
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struct pvchange_params params = { 0 };
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struct processing_handle *handle = NULL;
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int ret;
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if (!(arg_count(cmd, allocatable_ARG) + arg_is_set(cmd, addtag_ARG) +
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arg_is_set(cmd, deltag_ARG) + arg_count(cmd, uuid_ARG) +
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arg_count(cmd, metadataignore_ARG))) {
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log_error("Please give one or more of -x, -uuid, "
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"--addtag, --deltag or --metadataignore");
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ret = EINVALID_CMD_LINE;
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goto out;
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}
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if (!(handle = init_processing_handle(cmd))) {
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log_error("Failed to initialize processing handle.");
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ret = ECMD_FAILED;
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goto out;
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}
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handle->custom_handle = ¶ms;
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if (!(arg_count(cmd, all_ARG)) && !argc && !handle->internal_report_for_select) {
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log_error("Please give a physical volume path or use --select for selection.");
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ret = EINVALID_CMD_LINE;
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goto out;
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}
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if (arg_count(cmd, all_ARG) && argc) {
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log_error("Option --all and PhysicalVolumePath are exclusive.");
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ret = EINVALID_CMD_LINE;
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goto out;
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}
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if (!argc) {
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/*
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* Take the global lock here so the lvmcache remains
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* consistent across orphan/non-orphan vg locks. If we don't
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* take the lock here, pvs with 0 mdas in a non-orphan VG will
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* be processed twice.
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*/
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if (!lock_vol(cmd, VG_GLOBAL, LCK_VG_WRITE, NULL)) {
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log_error("Unable to obtain global lock.");
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ret = ECMD_FAILED;
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goto out;
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}
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}
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ret = process_each_pv(cmd, argc, argv, NULL, 0, READ_FOR_UPDATE, handle, _pvchange_single);
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if (!argc)
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unlock_vg(cmd, VG_GLOBAL);
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log_print_unless_silent("%d physical volume%s changed / %d physical volume%s not changed",
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params.done, params.done == 1 ? "" : "s",
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params.total - params.done, (params.total - params.done) == 1 ? "" : "s");
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out:
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destroy_processing_handle(cmd, handle);
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return ret;
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}
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