1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3#ifndef BTRFS_SUPER_H
 4#define BTRFS_SUPER_H
 5
 6#include <linux/types.h>
 7#include <linux/fs.h>
 8#include "fs.h"
 9
10struct super_block;
11struct btrfs_fs_info;
12
13bool btrfs_check_options(const struct btrfs_fs_info *info,
14			 unsigned long long *mount_opt,
15			 unsigned long flags);
16int btrfs_sync_fs(struct super_block *sb, int wait);
17char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info,
18					  u64 subvol_objectid);
19void btrfs_set_free_space_cache_settings(struct btrfs_fs_info *fs_info);
20
21static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb)
22{
23	return sb->s_fs_info;
24}
25
26static inline void btrfs_set_sb_rdonly(struct super_block *sb)
27{
28	sb->s_flags |= SB_RDONLY;
29	set_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state);
30}
31
32static inline void btrfs_clear_sb_rdonly(struct super_block *sb)
33{
34	sb->s_flags &= ~SB_RDONLY;
35	clear_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state);
36}
37
38#endif