mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-21 13:34:40 +03:00
6ea68f233c
The 'vsn' macro encodes the LVM2 version major, minor and patchlevel number in a packed form using 16 bits.
70 lines
2.7 KiB
C
70 lines
2.7 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _LVM_CONFIG_H
|
|
#define _LVM_CONFIG_H
|
|
|
|
#include "lvm-types.h"
|
|
|
|
/* 16 bits: 3 bits for major, 4 bits for minor, 9 bits for patchlevel */
|
|
/* Max LVM version supported: 7.15.511. Just extend bits if ever needed. */
|
|
#define vsn(major, minor, patchlevel) (major << 13 | minor << 9 | patchlevel)
|
|
|
|
struct device;
|
|
struct cmd_context;
|
|
|
|
int override_config_tree_from_string(struct cmd_context *cmd,
|
|
const char *config_settings);
|
|
struct dm_config_tree *remove_overridden_config_tree(struct cmd_context *cmd);
|
|
|
|
typedef uint32_t (*checksum_fn_t) (uint32_t initial, const uint8_t *buf, uint32_t size);
|
|
|
|
struct dm_config_tree *config_file_open(const char *filename, int keep_open);
|
|
int config_file_read_fd(struct dm_config_tree *cft, struct device *dev,
|
|
off_t offset, size_t size, off_t offset2, size_t size2,
|
|
checksum_fn_t checksum_fn, uint32_t checksum);
|
|
int config_file_read(struct dm_config_tree *cft);
|
|
int config_write(struct dm_config_tree *cft, const char *file,
|
|
int argc, char **argv);
|
|
void config_file_destroy(struct dm_config_tree *cft);
|
|
|
|
time_t config_file_timestamp(struct dm_config_tree *cft);
|
|
int config_file_changed(struct dm_config_tree *cft);
|
|
int config_file_check(struct dm_config_tree *cft, const char **filename, struct stat *info);
|
|
|
|
|
|
int merge_config_tree(struct cmd_context *cmd, struct dm_config_tree *cft,
|
|
struct dm_config_tree *newdata);
|
|
|
|
/*
|
|
* These versions check an override tree, if present, first.
|
|
*/
|
|
const struct dm_config_node *find_config_tree_node(struct cmd_context *cmd,
|
|
const char *path);
|
|
const char *find_config_tree_str(struct cmd_context *cmd,
|
|
const char *path, const char *fail);
|
|
const char *find_config_tree_str_allow_empty(struct cmd_context *cmd,
|
|
const char *path, const char *fail);
|
|
int find_config_tree_int(struct cmd_context *cmd, const char *path,
|
|
int fail);
|
|
int64_t find_config_tree_int64(struct cmd_context *cmd, const char *path,
|
|
int64_t fail);
|
|
float find_config_tree_float(struct cmd_context *cmd, const char *path,
|
|
float fail);
|
|
|
|
int find_config_tree_bool(struct cmd_context *cmd, const char *path, int fail);
|
|
|
|
#endif
|