102 lines
3.8 KiB
C
102 lines
3.8 KiB
C
/*
|
|
* 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
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* 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"
|
|
#include <dirent.h>
|
|
|
|
#define BTRFS_MKFS_SYSTEM_GROUP_SIZE (4 * 1024 * 1024)
|
|
|
|
#define BTRFS_SCAN_PROC (1ULL << 0)
|
|
#define BTRFS_SCAN_DEV (1ULL << 1)
|
|
#define BTRFS_SCAN_MOUNTED (1ULL << 2)
|
|
#define BTRFS_SCAN_LBLKID (1ULL << 3)
|
|
|
|
#define BTRFS_UPDATE_KERNEL 1
|
|
|
|
#define BTRFS_ARG_UNKNOWN 0
|
|
#define BTRFS_ARG_MNTPOINT 1
|
|
#define BTRFS_ARG_UUID 2
|
|
#define BTRFS_ARG_BLKDEV 3
|
|
|
|
#define BTRFS_UUID_UNPARSED_SIZE 37
|
|
|
|
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, u64 features);
|
|
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 discard);
|
|
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(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);
|
|
|
|
int pretty_size_snprintf(u64 size, char *str, size_t str_bytes);
|
|
#define pretty_size(size) \
|
|
({ \
|
|
static __thread char _str[24]; \
|
|
(void)pretty_size_snprintf((size), _str, sizeof(_str)); \
|
|
_str; \
|
|
})
|
|
|
|
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, DIR **dirstream);
|
|
void close_file_or_dir(int fd, DIR *dirstream);
|
|
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, char *label);
|
|
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 is_mount_point(const char *file);
|
|
int open_path_or_dev_mnt(const char *path, DIR **dirstream);
|
|
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);
|
|
int scan_for_btrfs(int where, int update_kernel);
|
|
int get_label_mounted(const char *mount_path, char *labelp);
|
|
int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile,
|
|
u64 dev_cnt, int mixed, char *estr);
|
|
int is_vol_small(char *file);
|
|
int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
|
|
int verify);
|
|
int ask_user(char *question);
|
|
int lookup_ino_rootid(int fd, u64 *rootid);
|
|
int btrfs_scan_lblkid(int update_kernel);
|
|
int get_btrfs_mount(const char *dev, char *mp, size_t mp_size);
|
|
int find_mount_root(const char *path, char **mount_root);
|
|
|
|
#endif
|