mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
6620dc9475
Save the list of PVs in /run/lvm/hints. These hints are used to reduce scanning in a number of commands to only the PVs on the system, or only the PVs in a requested VG (rather than all devices on the system.)
76 lines
2.2 KiB
C
76 lines
2.2 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _LVM_DEV_CACHE_H
|
|
#define _LVM_DEV_CACHE_H
|
|
|
|
#include "lib/device/device.h"
|
|
#include "lib/misc/lvm-wrappers.h"
|
|
|
|
struct cmd_context;
|
|
|
|
/*
|
|
* predicate for devices.
|
|
*/
|
|
struct dev_filter {
|
|
int (*passes_filter) (struct cmd_context *cmd, struct dev_filter *f, struct device *dev, const char *use_filter_name);
|
|
void (*destroy) (struct dev_filter *f);
|
|
void (*wipe) (struct dev_filter *f);
|
|
void *private;
|
|
unsigned use_count;
|
|
const char *name;
|
|
};
|
|
|
|
int dev_cache_index_devs(void);
|
|
struct dm_list *dev_cache_get_dev_list_for_vgid(const char *vgid);
|
|
struct dm_list *dev_cache_get_dev_list_for_lvid(const char *lvid);
|
|
|
|
/*
|
|
* The global device cache.
|
|
*/
|
|
int dev_cache_init(struct cmd_context *cmd);
|
|
int dev_cache_exit(void);
|
|
|
|
/*
|
|
* Returns number of open devices.
|
|
*/
|
|
int dev_cache_check_for_open_devices(void);
|
|
|
|
void dev_cache_scan(void);
|
|
int dev_cache_has_scanned(void);
|
|
|
|
int dev_cache_add_dir(const char *path);
|
|
struct device *dev_cache_get(struct cmd_context *cmd, const char *name, struct dev_filter *f);
|
|
const char *dev_cache_filtered_reason(const char *name);
|
|
|
|
// TODO
|
|
struct device *dev_cache_get_by_devt(struct cmd_context *cmd, dev_t device, struct dev_filter *f);
|
|
|
|
void dev_set_preferred_name(struct dm_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 unused);
|
|
void dev_iter_destroy(struct dev_iter *iter);
|
|
struct device *dev_iter_get(struct cmd_context *cmd, struct dev_iter *iter);
|
|
|
|
void dev_reset_error_count(struct cmd_context *cmd);
|
|
|
|
void dev_cache_failed_path(struct device *dev, const char *path);
|
|
|
|
#endif
|