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83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "base/memory/zalloc.h"
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#include "tools.h"
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int pvck(struct cmd_context *cmd, int argc, char **argv)
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{
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struct dm_list devs;
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struct device_list *devl;
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struct device *dev;
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const char *pv_name;
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uint64_t labelsector;
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int i;
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int ret_max = ECMD_PROCESSED;
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labelsector = arg_uint64_value(cmd, labelsector_ARG, UINT64_C(0));
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dm_list_init(&devs);
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for (i = 0; i < argc; i++) {
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dm_unescape_colons_and_at_signs(argv[i], NULL, NULL);
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pv_name = argv[i];
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dev = dev_cache_get(cmd, pv_name, cmd->filter);
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if (!dev) {
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log_error("Device %s %s.", pv_name, dev_cache_filtered_reason(pv_name));
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continue;
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}
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if (!(devl = zalloc(sizeof(*devl))))
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continue;
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devl->dev = dev;
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dm_list_add(&devs, &devl->list);
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}
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label_scan_setup_bcache();
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label_scan_devs(cmd, cmd->filter, &devs);
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dm_list_iterate_items(devl, &devs) {
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/*
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* The scan above will populate lvmcache with any info from the
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* standard locations at the start of the device. Now populate
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* lvmcache with any info from non-standard offsets.
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*
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* FIXME: is it possible for a real lvm label sector to be
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* anywhere other than the first four sectors of the disk?
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* If not, drop the code in label_read_sector/find_lvm_header
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* that supports searching at any sector.
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*/
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if (labelsector) {
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if (!label_read_sector(devl->dev, labelsector)) {
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stack;
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ret_max = ECMD_FAILED;
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continue;
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}
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}
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if (!pv_analyze(cmd, devl->dev, labelsector)) {
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stack;
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ret_max = ECMD_FAILED;
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}
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}
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return ret_max;
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}
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