blob: 3c17e14b79cd00b4dd26c2313b6d15e65cec1369 [file] [log] [blame]
* Copyright (C) 2007 Oracle. All rights reserved.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License v2 as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* General Public License for more details.
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 021110-1307, USA.
#ifndef __UTILS__
#define __UTILS__
#include <sys/stat.h>
#include "ctree.h"
#define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
int make_btrfs(int fd, const char *device, const char *label,
u64 blocks[6], u64 num_bytes, u32 nodesize,
u32 leafsize, u32 sectorsize, u32 stripesize);
int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
struct btrfs_root *root, u64 objectid);
int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
u64 max_block_count, int *mixed, int nodiscard);
int btrfs_add_to_fsid(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int fd, char *path,
u64 block_count, u32 io_width, u32 io_align,
u32 sectorsize);
int btrfs_scan_for_fsid(struct btrfs_fs_devices *fs_devices, u64 total_devs,
int run_ioctls);
void btrfs_register_one_device(char *fname);
int btrfs_scan_one_dir(char *dirname, int run_ioctl);
int check_mounted(const char *devicename);
int check_mounted_where(int fd, const char *file, char *where, int size,
struct btrfs_fs_devices **fs_devices_mnt);
int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
int super_offset);
char *pretty_sizes(u64 size);
int get_mountpt(char *dev, char *mntpt, size_t size);
int btrfs_scan_block_devices(int run_ioctl);
u64 parse_size(char *s);
int open_file_or_dir(const char *fname);
int get_device_info(int fd, u64 devid,
struct btrfs_ioctl_dev_info_args *di_args);
int get_fs_info(char *path, struct btrfs_ioctl_fs_info_args *fi_args,
struct btrfs_ioctl_dev_info_args **di_ret);
int get_label(const char *btrfs_dev);
int set_label(const char *btrfs_dev, const char *label);
char *__strncpy__null(char *dest, const char *src, size_t n);
int is_block_device(const char *file);
int get_btrfs_mount(const char *path, char *mp, size_t mp_size);
int open_path_or_dev_mnt(const char *path);
int is_swap_device(const char *file);
u64 btrfs_device_size(int fd, struct stat *st);
/* Helper to always get proper size of the destination string */
#define strncpy_null(dest, src) __strncpy__null(dest, src, sizeof(dest))
int test_dev_for_mkfs(char *file, int force_overwrite, char *estr);