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ea0cdd28c1
When reporting explicitly label attributes (pv_uuid for example), we do not need to read metadata. This patch separate the label fileds and removes scan_vgs_for_pvs in process_each_pv() if not needed. (There should be no user visible change in output.)
116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 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., 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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static int _pvdisplay_single(struct cmd_context *cmd,
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struct volume_group *vg,
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struct physical_volume *pv, void *handle)
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{
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struct pv_list *pvl;
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int ret = ECMD_PROCESSED;
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uint64_t size;
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const char *pv_name = pv_dev_name(pv);
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const char *vg_name = NULL;
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if (!is_orphan(pv) && !vg) {
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vg_name = pv_vg_name(pv);
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if (!(vg = vg_lock_and_read(cmd, vg_name, (char *)&pv->vgid,
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LCK_VG_READ, CLUSTERED, 0))) {
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log_error("Skipping volume group %s", vg_name);
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/* FIXME If CLUSTERED should return ECMD_PROCESSED here */
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return ECMD_FAILED;
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}
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/*
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* Replace possibly incomplete PV structure with new one
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* allocated in vg_read_internal() path.
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*/
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if (!(pvl = find_pv_in_vg(vg, pv_name))) {
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log_error("Unable to find \"%s\" in volume group \"%s\"",
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pv_name, vg->name);
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ret = ECMD_FAILED;
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goto out;
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}
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pv = pvl->pv;
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}
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if (is_orphan(pv))
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size = pv_size(pv);
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else
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size = (pv_pe_count(pv) - pv_pe_alloc_count(pv)) *
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pv_pe_size(pv);
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if (arg_count(cmd, short_ARG)) {
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log_print("Device \"%s\" has a capacity of %s", pv_name,
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display_size(cmd, size));
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goto out;
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}
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if (pv_status(pv) & EXPORTED_VG)
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log_print("Physical volume \"%s\" of volume group \"%s\" "
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"is exported", pv_name, pv_vg_name(pv));
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if (is_orphan(pv))
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log_print("\"%s\" is a new physical volume of \"%s\"",
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pv_name, display_size(cmd, size));
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if (arg_count(cmd, colon_ARG)) {
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pvdisplay_colons(pv);
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goto out;
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}
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pvdisplay_full(cmd, pv, handle);
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if (arg_count(cmd, maps_ARG))
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pvdisplay_segments(pv);
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out:
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if (vg_name)
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unlock_vg(cmd, vg_name);
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return ret;
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}
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int pvdisplay(struct cmd_context *cmd, int argc, char **argv)
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{
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if (arg_count(cmd, columns_ARG)) {
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if (arg_count(cmd, colon_ARG) || arg_count(cmd, maps_ARG) ||
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arg_count(cmd, short_ARG)) {
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log_error("Incompatible options selected");
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return EINVALID_CMD_LINE;
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}
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return pvs(cmd, argc, argv);
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} else if (arg_count(cmd, aligned_ARG) ||
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arg_count(cmd, all_ARG) ||
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arg_count(cmd, noheadings_ARG) ||
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arg_count(cmd, options_ARG) ||
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arg_count(cmd, separator_ARG) ||
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arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
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log_error("Incompatible options selected");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, colon_ARG) && arg_count(cmd, maps_ARG)) {
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log_error("Option -v not allowed with option -c");
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return EINVALID_CMD_LINE;
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}
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return process_each_pv(cmd, argc, argv, NULL, LCK_VG_READ, 0, NULL,
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_pvdisplay_single);
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}
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