2 * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
3 * Copyright (C) 2004-2012 Red Hat, Inc. All rights reserved.
5 * This file is part of the device-mapper userspace tools.
7 * This copyrighted material is made available to anyone wishing to use,
8 * modify, copy, or redistribute it subject to the terms and conditions
9 * of the GNU Lesser General Public License v.2.1.
11 * You should have received a copy of the GNU Lesser General Public License
12 * along with this program; if not, write to the Free Software Foundation,
13 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 #ifndef LIB_DMCOMMON_H
17 #define LIB_DMCOMMON_H
19 #include "libdevmapper.h"
21 #define DM_DEFAULT_NAME_MANGLING_MODE_ENV_VAR_NAME "DM_DEFAULT_NAME_MANGLING_MODE"
23 #define DEV_NAME(dmt) (dmt->mangled_dev_name ? : dmt->dev_name)
25 int mangle_name(const char *str
, size_t len
, char *buf
,
26 size_t buf_len
, dm_string_mangling_t mode
);
28 int unmangle_name(const char *str
, size_t len
, char *buf
,
29 size_t buf_len
, dm_string_mangling_t mode
);
31 int check_multiple_mangled_name_allowed(dm_string_mangling_t mode
, const char *name
);
33 struct target
*create_target(uint64_t start
,
35 const char *type
, const char *params
);
37 int add_dev_node(const char *dev_name
, uint32_t minor
, uint32_t major
,
38 uid_t uid
, gid_t gid
, mode_t mode
, int check_udev
, unsigned rely_on_udev
);
39 int rm_dev_node(const char *dev_name
, int check_udev
, unsigned rely_on_udev
);
40 int rename_dev_node(const char *old_name
, const char *new_name
,
41 int check_udev
, unsigned rely_on_udev
);
42 int get_dev_node_read_ahead(const char *dev_name
, uint32_t major
, uint32_t minor
,
43 uint32_t *read_ahead
);
44 int set_dev_node_read_ahead(const char *dev_name
, uint32_t major
, uint32_t minor
,
45 uint32_t read_ahead
, uint32_t read_ahead_flags
);
46 void update_devs(void);
47 void selinux_release(void);
49 void inc_suspended(void);
50 void dec_suspended(void);