mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
88aa285a79
If the system changes, locate PVs that appear on different devices, and update the device IDs in the devices file. A system change is detected by saving the DMI product_uuid or hostname in the devices file, and comparing it to the current system value. If a root PV is restored or copied to a new system with different devices, then the product_uuid or hostname should change, and trigger lvm to locate PVIDs from system.devices on new devices.
78 lines
3.8 KiB
C
78 lines
3.8 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_DEVICE_ID_H
|
|
#define _LVM_DEVICE_ID_H
|
|
|
|
void free_du(struct dev_use *du);
|
|
void free_dus(struct dm_list *list);
|
|
void free_did(struct dev_id *did);
|
|
void free_dids(struct dm_list *list);
|
|
const char *idtype_to_str(uint16_t idtype);
|
|
uint16_t idtype_from_str(const char *str);
|
|
const char *dev_idtype_for_metadata(struct cmd_context *cmd, struct device *dev);
|
|
const char *dev_idname_for_metadata(struct cmd_context *cmd, struct device *dev);
|
|
int device_ids_use_devname(struct cmd_context *cmd);
|
|
int device_ids_read(struct cmd_context *cmd);
|
|
int device_ids_write(struct cmd_context *cmd);
|
|
int device_id_add(struct cmd_context *cmd, struct device *dev, const char *pvid,
|
|
const char *idtype_arg, const char *id_arg, int use_idtype_only);
|
|
void device_id_pvremove(struct cmd_context *cmd, struct device *dev);
|
|
void device_ids_match(struct cmd_context *cmd);
|
|
int device_ids_match_dev(struct cmd_context *cmd, struct device *dev);
|
|
void device_ids_match_device_list(struct cmd_context *cmd);
|
|
void device_ids_validate(struct cmd_context *cmd, struct dm_list *scanned_devs, int *device_ids_invalid, int noupdate);
|
|
int device_ids_version_unchanged(struct cmd_context *cmd);
|
|
void device_ids_check_serial(struct cmd_context *cmd, struct dm_list *scan_devs, int *update_needed, int noupdate);
|
|
void device_ids_refresh(struct cmd_context *cmd, struct dm_list *dev_list, int *search_count, int noupdate);
|
|
const char *device_id_system_read(struct cmd_context *cmd, struct device *dev, uint16_t idtype);
|
|
void device_id_update_vg_uuid(struct cmd_context *cmd, struct volume_group *vg, struct id *old_vg_id);
|
|
|
|
struct dev_use *get_du_for_devno(struct cmd_context *cmd, dev_t devno);
|
|
struct dev_use *get_du_for_dev(struct cmd_context *cmd, struct device *dev);
|
|
struct dev_use *get_du_for_pvid(struct cmd_context *cmd, const char *pvid);
|
|
struct dev_use *get_du_for_devname(struct cmd_context *cmd, const char *devname);
|
|
struct dev_use *get_du_for_device_id(struct cmd_context *cmd, uint16_t idtype, const char *idname);
|
|
|
|
char *devices_file_version(void);
|
|
int devices_file_exists(struct cmd_context *cmd);
|
|
int devices_file_touch(struct cmd_context *cmd);
|
|
int lock_devices_file(struct cmd_context *cmd, int mode);
|
|
int lock_devices_file_try(struct cmd_context *cmd, int mode, int *held);
|
|
void unlock_devices_file(struct cmd_context *cmd);
|
|
|
|
void devices_file_init(struct cmd_context *cmd);
|
|
void devices_file_exit(struct cmd_context *cmd);
|
|
|
|
void unlink_searched_devnames(struct cmd_context *cmd);
|
|
|
|
int read_sys_block(struct cmd_context *cmd, struct device *dev, const char *suffix, char *sysbuf, int sysbufsize);
|
|
int read_sys_block_binary(struct cmd_context *cmd, struct device *dev,
|
|
const char *suffix, char *sysbuf, int sysbufsize, int *retlen);
|
|
|
|
int dev_has_mpath_uuid(struct cmd_context *cmd, struct device *dev, const char **idname_out);
|
|
|
|
int wwid_type_to_idtype(int wwid_type);
|
|
int idtype_to_wwid_type(int idtype);
|
|
void free_wwids(struct dm_list *ids);
|
|
struct dev_wwid *dev_add_wwid(char *id, int id_type, struct dm_list *ids);
|
|
int dev_read_vpd_wwids(struct cmd_context *cmd, struct device *dev);
|
|
int dev_read_sys_wwid(struct cmd_context *cmd, struct device *dev,
|
|
char *buf, int bufsize, struct dev_wwid **dw_out);
|
|
|
|
int pv_device_id_is_stale(const struct physical_volume *pv);
|
|
|
|
#endif
|