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git://sourceware.org/git/lvm2.git
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96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
/*
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* Copyright (C) 2001 Sistina Software
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*
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* LVM is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* LVM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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 LVM; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include "tools.h"
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int lvactivate(int argc, char **argv)
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{
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int p;
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struct device *pv_dev;
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char *lv_name;
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char *pv_name;
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struct physical_volume *pv = NULL;
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struct logical_volume *lv = NULL;
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if (argc < 2) {
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log_error("please enter logical volume & physical volume(s)");
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return EINVALID_CMD_LINE;
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}
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lv_name = argv[0];
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argc--;
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argv++;
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while (argc--) {
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pv_name = argv[argc];
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if (!(pv_dev = dev_cache_get(pv_name))) {
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log_error("device \"%s\" not found", pv_name);
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return -1;
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}
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if (!(pv = pv_read(ios, pv_dev))) {
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return -1;
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}
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if (pv->status & ALLOCATED_PV) {
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if (!(pv->pe = pv_read_pe(pv_name, pv)))
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goto pvdisplay_device_out;
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if (!(lvs = pv_read_lvs(pv))) {
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log_error("Failed to read LVs on %s",
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pv->pv_name);
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goto pvdisplay_device_out;
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}
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} else
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log_print("no logical volume on physical volume %s",
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pv_name);
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for (p = 0; p < pv->pe_total; p++) {
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int l = pv->pe[p].lv_num;
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int le = pv->pe[p].le_num;
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long pe_size_guess = lvs[l - 1].lv_size /
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lvs[l - 1].lv_allocated_le;
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if (l && !strcmp(lv, lvs[l - 1].lv_name))
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printf("%012ld %ld linear %s %012ld\n",
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pe_size_guess * le,
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pe_size_guess,
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pv_name, get_pe_offset(p, pv));
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}
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if (pv)
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dbg_free(pv->pe);
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dbg_free(pv);
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dbg_free(lvs);
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}
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return 0;
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pvdisplay_device_out:
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if (pv)
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dbg_free(pv->pe);
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dbg_free(pv);
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dbg_free(lvs);
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return -1;
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}
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