mirror of
git://sourceware.org/git/lvm2.git
synced 2024-10-28 20:25:52 +03:00
104 lines
2.2 KiB
C
104 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2004 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* This file is part of LVM2.
|
|
*
|
|
* This copyrighted material is made available to anyone wishing to use,
|
|
* modify, copy, or redistribute it subject to the terms and conditions
|
|
* of the GNU General Public License v.2.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "lib.h"
|
|
#include "pool.h"
|
|
#include "list.h"
|
|
#include "toolcontext.h"
|
|
#include "segtypes.h"
|
|
#include "display.h"
|
|
#include "text_export.h"
|
|
#include "text_import.h"
|
|
#include "config.h"
|
|
#include "str_list.h"
|
|
#include "targets.h"
|
|
#include "lvm-string.h"
|
|
#include "activate.h"
|
|
|
|
static const char *_name(const struct lv_segment *seg)
|
|
{
|
|
return seg->segtype->name;
|
|
}
|
|
|
|
static int _merge_segments(struct lv_segment *seg1, struct lv_segment *seg2)
|
|
{
|
|
seg1->len += seg2->len;
|
|
seg1->area_len += seg2->area_len;
|
|
|
|
return 1;
|
|
}
|
|
|
|
#ifdef DEVMAPPER_SUPPORT
|
|
static int _compose_target_line(struct dev_manager *dm, struct pool *mem,
|
|
struct config_tree *cft, void **target_state,
|
|
struct lv_segment *seg, char *params,
|
|
size_t paramsize, const char **target, int *pos,
|
|
uint32_t *pvmove_mirror_count)
|
|
{
|
|
/* error */
|
|
|
|
*target = "error";
|
|
*params = '\0';
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int _target_present(void)
|
|
{
|
|
static int checked = 0;
|
|
static int present = 0;
|
|
|
|
if (!checked)
|
|
present = target_present("error");
|
|
|
|
checked = 1;
|
|
return present;
|
|
}
|
|
#endif
|
|
|
|
static void _destroy(const struct segment_type *segtype)
|
|
{
|
|
dbg_free((void *) segtype);
|
|
}
|
|
|
|
static struct segtype_handler _error_ops = {
|
|
name:_name,
|
|
merge_segments:_merge_segments,
|
|
#ifdef DEVMAPPER_SUPPORT
|
|
compose_target_line:_compose_target_line,
|
|
target_present:_target_present,
|
|
#endif
|
|
destroy:_destroy,
|
|
};
|
|
|
|
struct segment_type *init_error_segtype(struct cmd_context *cmd)
|
|
{
|
|
struct segment_type *segtype = dbg_malloc(sizeof(*segtype));
|
|
|
|
if (!segtype) {
|
|
stack;
|
|
return NULL;
|
|
}
|
|
|
|
segtype->cmd = cmd;
|
|
segtype->ops = &_error_ops;
|
|
segtype->name = "error";
|
|
segtype->private = NULL;
|
|
segtype->flags = SEG_CAN_SPLIT | SEG_VIRTUAL;
|
|
|
|
log_very_verbose("Initialised segtype: %s", segtype->name);
|
|
|
|
return segtype;
|
|
}
|