mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
98 lines
3.4 KiB
C
98 lines
3.4 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/device/dev-type.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 cmd_context *cmd, struct dev_filter *f, struct device *dev, const char *use_filter_name);
|
|
void *private;
|
|
unsigned use_count;
|
|
const char *name;
|
|
};
|
|
|
|
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);
|
|
|
|
int dev_cache_use_dm_devs_cache(void);
|
|
int dev_cache_update_dm_devs(void);
|
|
void dev_cache_destroy_dm_devs(void);
|
|
const struct dm_active_device *
|
|
dev_cache_get_dm_dev_by_devno(struct cmd_context *cmd, dev_t devno);
|
|
const struct dm_active_device *
|
|
dev_cache_get_dm_dev_by_uuid(struct cmd_context *cmd, const char *dm_uuid);
|
|
|
|
/*
|
|
* 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(struct cmd_context *cmd);
|
|
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);
|
|
struct device *dev_cache_get_existing(struct cmd_context *cmd, const char *name, struct dev_filter *f);
|
|
struct device *dev_cache_get_by_devt(struct cmd_context *cmd, dev_t devt);
|
|
struct device *dev_cache_get_by_pvid(struct cmd_context *cmd, const char *pvid);
|
|
void dev_cache_verify_aliases(struct device *dev);
|
|
|
|
struct device *dev_cache_get_dev_by_name(const char *name);
|
|
|
|
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_cache_failed_path(struct device *dev, const char *path);
|
|
|
|
bool dev_cache_has_md_with_end_superblock(struct dev_types *dt);
|
|
|
|
int get_sysfs_value(const char *path, char *buf, size_t buf_size, int error_if_no_value);
|
|
int get_sysfs_binary(const char *path, char *buf, size_t buf_size, int *retlen);
|
|
|
|
int setup_devices_file(struct cmd_context *cmd);
|
|
int setup_devices(struct cmd_context *cmd);
|
|
int setup_device(struct cmd_context *cmd, const char *devname);
|
|
|
|
int setup_devices_for_online_autoactivation(struct cmd_context *cmd);
|
|
int setup_devname_in_dev_cache(struct cmd_context *cmd, const char *devname);
|
|
int setup_devno_in_dev_cache(struct cmd_context *cmd, dev_t devno);
|
|
struct device *setup_dev_in_dev_cache(struct cmd_context *cmd, dev_t devno, const char *devname);
|
|
|
|
#endif
|