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d4de7934f8
A substantial speed-up - particularly in readline mode. If the hints turn out to be wrong, the relevant parts get thrown away. vgscan destroys it totally. In both cases it then rebuilds itself as required.
73 lines
1.9 KiB
C
73 lines
1.9 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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static int vgscan_single(const char *vg_name);
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int vgscan(int argc, char **argv)
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{
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if (argc) {
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log_error("Too many parameters on command line");
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return EINVALID_CMD_LINE;
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}
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log_verbose("Wiping cache of LVM-capable devices");
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persistent_filter_wipe(fid->cmd->filter);
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log_verbose("Wiping internal cache of PVs in VGs");
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vgcache_destroy();
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log_print("Reading all physical volumes (this may take a while...)");
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return process_each_vg(argc, argv, &vgscan_single);
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}
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static int vgscan_single(const char *vg_name)
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{
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struct volume_group *vg;
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log_verbose("Checking for volume group %s", vg_name);
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if (!(vg = fid->ops->vg_read(fid, vg_name))) {
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log_error("Volume group %s not found", vg_name);
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return ECMD_FAILED;
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}
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log_print("Found %sactive volume group %s",
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(vg->status & ACTIVE) ? "" : "in", vg_name);
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/******* Ignore active flag
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if (!(vg->status & ACTIVE)) {
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return 0;
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vg->status |= ACTIVE;
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if (!(fid->ops->vg_write(fid, vg))) {
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log_error("Failed to activate volume group %s",
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vg_name);
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return ECMD_FAILED;
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}
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}
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*********/
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log_print("%d logical volumes in volume group %s activated",
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activate_lvs_in_vg(vg), vg_name);
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return 0;
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}
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