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https://github.com/kdave/btrfs-progs
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d065d63057
Currently, the following commands succeed. # cat /proc/swaps Filename Type Size Used Priority /dev/sda3 partition 8388604 0 -1 /dev/sdc8 partition 9765884 0 -2 # mkfs.btrfs /dev/sdc8 WARNING! - Btrfs v0.20-rc1-165-g82ac345 IS EXPERIMENTAL WARNING! - see http://btrfs.wiki.kernel.org before using fs created label (null) on /dev/sdc8 nodesize 4096 leafsize 4096 sectorsize 4096 size 9.31GB Btrfs v0.20-rc1-165-g82ac345 # btrfs fi sh /dev/sdc8 Label: none uuid: fc0bdbd0-7eed-460f-b4e9-131273b66df2 Total devices 1 FS bytes used 28.00KB devid 1 size 9.31GB used 989.62MB path /dev/sdc8 Btrfs v0.20-rc1-165-g82ac345 # But we should check out the swap device. Fixed it. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Tested-by: David Sterba <dsterba@suse.cz>
63 lines
2.5 KiB
C
63 lines
2.5 KiB
C
/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __UTILS__
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#define __UTILS__
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#include "ctree.h"
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#define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
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int make_btrfs(int fd, const char *device, const char *label,
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u64 blocks[6], u64 num_bytes, u32 nodesize,
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u32 leafsize, u32 sectorsize, u32 stripesize);
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int btrfs_make_root_dir(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, u64 objectid);
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int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
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u64 max_block_count, int *mixed, int nodiscard);
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int btrfs_add_to_fsid(struct btrfs_trans_handle *trans,
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struct btrfs_root *root, int fd, char *path,
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u64 block_count, u32 io_width, u32 io_align,
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u32 sectorsize);
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int btrfs_scan_for_fsid(struct btrfs_fs_devices *fs_devices, u64 total_devs,
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int run_ioctls);
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void btrfs_register_one_device(char *fname);
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int btrfs_scan_one_dir(char *dirname, int run_ioctl);
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int check_mounted(const char *devicename);
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int check_mounted_where(int fd, const char *file, char *where, int size,
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struct btrfs_fs_devices **fs_devices_mnt);
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int btrfs_device_already_in_root(struct btrfs_root *root, int fd,
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int super_offset);
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char *pretty_sizes(u64 size);
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int check_label(char *input);
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int get_mountpt(char *dev, char *mntpt, size_t size);
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int btrfs_scan_block_devices(int run_ioctl);
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u64 parse_size(char *s);
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int open_file_or_dir(const char *fname);
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int get_device_info(int fd, u64 devid,
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struct btrfs_ioctl_dev_info_args *di_args);
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int get_fs_info(int fd, char *path, struct btrfs_ioctl_fs_info_args *fi_args,
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struct btrfs_ioctl_dev_info_args **di_ret);
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char *__strncpy__null(char *dest, const char *src, size_t n);
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int is_swap_device(const char *file);
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/* Helper to always get proper size of the destination string */
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#define strncpy_null(dest, src) __strncpy__null(dest, src, sizeof(dest))
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#endif
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