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.
26 #define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
28 int make_btrfs(int fd, const char *device, const char *label,
29 u64 blocks[6], u64 num_bytes, u32 nodesize,
30 u32 leafsize, u32 sectorsize, u32 stripesize);
31 int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
32 struct btrfs_root *root, u64 objectid);
33 int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
34 u64 max_block_count, int *mixed, int nodiscard);
35 int btrfs_add_to_fsid(struct btrfs_trans_handle *trans,
36 struct btrfs_root *root, int fd, char *path,
37 u64 block_count, u32 io_width, u32 io_align,
39 int btrfs_scan_for_fsid(struct btrfs_fs_devices *fs_devices, u64 total_devs,
41 void btrfs_register_one_device(char *fname);
42 int btrfs_scan_one_dir(char *dirname, int run_ioctl);
43 int check_mounted(const char *devicename);
44 int check_mounted_where(int fd, const char *file, char *where, int size,
45 struct btrfs_fs_devices **fs_devices_mnt);
46 int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
49 void pretty_size_snprintf(u64 size, char *str, size_t str_bytes);
50 #define pretty_size(size) \
52 static __thread char _str[24]; \
53 pretty_size_snprintf((size), _str, sizeof(_str)); \
57 int get_mountpt(char *dev, char *mntpt, size_t size);
58 int btrfs_scan_block_devices(int run_ioctl);
59 u64 parse_size(char *s);
60 int open_file_or_dir(const char *fname, DIR **dirstream);
61 void close_file_or_dir(int fd, DIR *dirstream);
62 int get_device_info(int fd, u64 devid,
63 struct btrfs_ioctl_dev_info_args *di_args);
64 int get_fs_info(char *path, struct btrfs_ioctl_fs_info_args *fi_args,
65 struct btrfs_ioctl_dev_info_args **di_ret);
66 int get_label(const char *btrfs_dev);
67 int set_label(const char *btrfs_dev, const char *label);
69 char *__strncpy__null(char *dest, const char *src, size_t n);
70 int is_block_device(const char *file);
71 int get_btrfs_mount(const char *path, char *mp, size_t mp_size);
72 int open_path_or_dev_mnt(const char *path, DIR **dirstream);
73 int is_swap_device(const char *file);
74 u64 btrfs_device_size(int fd, struct stat *st);
75 /* Helper to always get proper size of the destination string */
76 #define strncpy_null(dest, src) __strncpy__null(dest, src, sizeof(dest))
77 int test_dev_for_mkfs(char *file, int force_overwrite, char *estr);