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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-22 17:35:59 +03:00
lvm2/lib/activate/names.h
2002-01-21 13:11:03 +00:00

51 lines
1.1 KiB
C

/*
* Copyright (C) 2002 Sistina Software (UK) Limited.
*
* This file is released under the LGPL.
*/
#ifndef _LVM_NAMES_H
#define _LVM_NAMES_H
#include <stdlib.h>
/*
* Functions that build up useful paths to devices, sym-links
* etc. Names are passed in as strings, rather than via the
* appropriate metadata structures, so we can use it for renaming
* devices.
*/
/*
* The name of the device-mapper device for a particular LV.
* eg, vg0:music
*/
int build_dm_name(char *buffer, size_t len,
const char *vg_name, const char *lv_name);
/*
* The path of the device-mapper device for a particular LV.
* eg, /dev/device-mapper/vg0:music
*/
int build_dm_path(char *buffer, size_t len,
const char *vg_name, const char *lv_name);
/*
* Path to the volume group directory.
* eg, /dev/vg0
*/
int build_vg_path(char *buffer, size_t len,
const char *dev_dir, const char *vg_name);
/*
* Path to the symbolic link that lives in the volume group
* directory.
* eg, /dev/vg0/music
*/
int build_lv_link_path(char *buffer, size_t len,
const char *dev_dir,
const char *vg_name, const char *lv_name);
#endif