2 * Copyright (C) 2007 Oracle. All rights reserved.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
24 #define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
26 int make_btrfs(int fd, const char *device, const char *label,
27 u64 blocks[6], u64 num_bytes, u32 nodesize,
28 u32 leafsize, u32 sectorsize, u32 stripesize);
29 int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
30 struct btrfs_root *root, u64 objectid);
31 int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
32 u64 max_block_count, int *mixed, int nodiscard);
33 int btrfs_add_to_fsid(struct btrfs_trans_handle *trans,
34 struct btrfs_root *root, int fd, char *path,
35 u64 block_count, u32 io_width, u32 io_align,
37 int btrfs_scan_for_fsid(struct btrfs_fs_devices *fs_devices, u64 total_devs,
39 void btrfs_register_one_device(char *fname);
40 int btrfs_scan_one_dir(char *dirname, int run_ioctl);
41 int check_mounted(const char *devicename);
42 int check_mounted_where(int fd, const char *file, char *where, int size,
43 struct btrfs_fs_devices **fs_devices_mnt);
44 int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
46 char *pretty_sizes(u64 size);
47 int get_mountpt(char *dev, char *mntpt, size_t size);
48 int btrfs_scan_block_devices(int run_ioctl);
49 u64 parse_size(char *s);
50 int open_file_or_dir(const char *fname);
51 int get_device_info(int fd, u64 devid,
52 struct btrfs_ioctl_dev_info_args *di_args);
53 int get_fs_info(int fd, char *path, struct btrfs_ioctl_fs_info_args *fi_args,
54 struct btrfs_ioctl_dev_info_args **di_ret);
55 int get_label(const char *btrfs_dev);
56 int set_label(const char *btrfs_dev, const char *label);
58 char *__strncpy__null(char *dest, const char *src, size_t n);
59 int is_swap_device(const char *file);
60 /* Helper to always get proper size of the destination string */
61 #define strncpy_null(dest, src) __strncpy__null(dest, src, sizeof(dest))