btrfs-debug-tree: add -d option to print only the device mapping
[btrfs-progs-unstable.git] / utils.h
blob9dce5b0526e147989009a19b9cc6d49f4393894f
1 /*
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.
19 #ifndef __UTILS__
20 #define __UTILS__
22 #define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
24 int make_btrfs(int fd, const char *device, const char *label,
25 u64 blocks[6], u64 num_bytes, u32 nodesize,
26 u32 leafsize, u32 sectorsize, u32 stripesize);
27 int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
28 struct btrfs_root *root, u64 objectid);
29 int btrfs_prepare_device(int fd, char *file, int zero_end,
30 u64 *block_count_ret);
31 int btrfs_add_to_fsid(struct btrfs_trans_handle *trans,
32 struct btrfs_root *root, int fd, char *path,
33 u64 block_count, u32 io_width, u32 io_align,
34 u32 sectorsize);
35 int btrfs_scan_for_fsid(struct btrfs_fs_devices *fs_devices, u64 total_devs,
36 int run_ioctls);
37 void btrfs_register_one_device(char *fname);
38 int btrfs_scan_one_dir(char *dirname, int run_ioctl);
39 int check_mounted(const char *devicename);
40 int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
41 int super_offset);
42 char *pretty_sizes(u64 size);
43 #endif