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286cd2006b
This headers were not resolving anything used for compiled .c files. Remove unused util.c file.
106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
/*
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* Copyright (C) 1997-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2006 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 "lib.h"
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#include "label.h"
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#include "metadata.h"
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#include "disk_rep.h"
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#include "pool_label.h"
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#include <sys/stat.h>
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#include <fcntl.h>
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static void _pool_not_supported(const char *op)
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{
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log_error("The '%s' operation is not supported for the pool labeller.",
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op);
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}
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static int _pool_can_handle(struct labeller *l __attribute__((unused)), void *buf, uint64_t sector)
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{
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struct pool_disk pd;
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/*
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* POOL label must always be in first sector
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*/
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if (sector)
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return 0;
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pool_label_in(&pd, buf);
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/* can ignore 8 rightmost bits for ondisk format check */
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if ((pd.pl_magic == POOL_MAGIC) &&
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(pd.pl_version >> 8 == POOL_VERSION >> 8))
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return 1;
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return 0;
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}
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static int _pool_write(struct label *label __attribute__((unused)), void *buf __attribute__((unused)))
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{
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_pool_not_supported("write");
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return 0;
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}
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static int _pool_read(struct labeller *l, struct device *dev, void *buf,
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struct label **label)
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{
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struct pool_list pl;
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return read_pool_label(&pl, l, dev, buf, label);
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}
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static int _pool_initialise_label(struct labeller *l __attribute__((unused)), struct label *label)
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{
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strcpy(label->type, "POOL");
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return 1;
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}
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static void _pool_destroy_label(struct labeller *l __attribute__((unused)), struct label *label __attribute__((unused)))
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{
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}
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static void _label_pool_destroy(struct labeller *l)
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{
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dm_free(l);
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}
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struct label_ops _pool_ops = {
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.can_handle = _pool_can_handle,
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.write = _pool_write,
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.read = _pool_read,
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.verify = _pool_can_handle,
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.initialise_label = _pool_initialise_label,
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.destroy_label = _pool_destroy_label,
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.destroy = _label_pool_destroy,
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};
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struct labeller *pool_labeller_create(struct format_type *fmt)
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{
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struct labeller *l;
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if (!(l = dm_malloc(sizeof(*l)))) {
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log_error("Couldn't allocate labeller object.");
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return NULL;
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}
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l->ops = &_pool_ops;
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l->private = (const void *) fmt;
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return l;
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}
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