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lvm2/libdm/libdm-common.h
Peter Rajnoha 05bfdefdf8 Add DM_DEFAULT_NAME_MANGLING_MODE env. variable to override configured value.
Just in case of emergency when name mangling code causes any problems so
we can override the default value and switch off the mangling globally.
2012-02-15 12:23:15 +00:00

51 lines
1.8 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2012 Red Hat, Inc. All rights reserved.
*
* This file is part of the device-mapper userspace tools.
*
* 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 LIB_DMCOMMON_H
#define LIB_DMCOMMON_H
#include "libdevmapper.h"
#define DM_DEFAULT_NAME_MANGLING_MODE_ENV_VAR_NAME "DM_DEFAULT_NAME_MANGLING_MODE"
#define DEV_NAME(dmt) (dmt->mangled_dev_name ? : dmt->dev_name)
int mangle_name(const char *str, size_t len, char *buf,
size_t buf_len, dm_string_mangling_t mode);
int unmangle_name(const char *str, size_t len, char *buf,
size_t buf_len, dm_string_mangling_t mode);
struct target *create_target(uint64_t start,
uint64_t len,
const char *type, const char *params);
int add_dev_node(const char *dev_name, uint32_t minor, uint32_t major,
uid_t uid, gid_t gid, mode_t mode, int check_udev, unsigned rely_on_udev);
int rm_dev_node(const char *dev_name, int check_udev, unsigned rely_on_udev);
int rename_dev_node(const char *old_name, const char *new_name,
int check_udev, unsigned rely_on_udev);
int get_dev_node_read_ahead(const char *dev_name, uint32_t major, uint32_t minor,
uint32_t *read_ahead);
int set_dev_node_read_ahead(const char *dev_name, uint32_t major, uint32_t minor,
uint32_t read_ahead, uint32_t read_ahead_flags);
void update_devs(void);
void selinux_release(void);
void inc_suspended(void);
void dec_suspended(void);
#endif