mirror of
git://sourceware.org/git/lvm2.git
synced 2024-10-27 18:55:19 +03:00
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
|
|
* Copyright (C) 2004-2007 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 Lesser General Public License v.2.1.
|
|
*
|
|
* You should have received a copy of the GNU Lesser 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
|
|
*/
|
|
|
|
#ifndef _LVM_DEV_CACHE_H
|
|
#define _LVM_DEV_CACHE_H
|
|
|
|
#include "device.h"
|
|
|
|
/*
|
|
* predicate for devices.
|
|
*/
|
|
struct dev_filter {
|
|
int (*passes_filter) (struct dev_filter * f, struct device * dev);
|
|
void (*destroy) (struct dev_filter * f);
|
|
void *private;
|
|
};
|
|
|
|
/*
|
|
* The global device cache.
|
|
*/
|
|
struct cmd_context;
|
|
int dev_cache_init(struct cmd_context *cmd);
|
|
void dev_cache_exit(void);
|
|
|
|
/* Trigger(1) or avoid(0) a scan */
|
|
void dev_cache_scan(int do_scan);
|
|
int dev_cache_has_scanned(void);
|
|
|
|
int dev_cache_add_dir(const char *path);
|
|
int dev_cache_add_loopfile(const char *path);
|
|
struct device *dev_cache_get(const char *name, struct dev_filter *f);
|
|
|
|
void dev_set_preferred_name(struct str_list *sl, struct device *dev);
|
|
|
|
/*
|
|
* Object for iterating through the cache.
|
|
*/
|
|
struct dev_iter;
|
|
struct dev_iter *dev_iter_create(struct dev_filter *f, int dev_scan);
|
|
void dev_iter_destroy(struct dev_iter *iter);
|
|
struct device *dev_iter_get(struct dev_iter *iter);
|
|
|
|
#endif
|