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
10 struct super_block;
11 struct btrfs_fs_info;
12
13 bool btrfs_check_options(const struct btrfs_fs_info *info,
14 unsigned long long *mount_opt,
15 unsigned long flags);
16 int btrfs_sync_fs(struct super_block *sb, int wait);
17 char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info,
18 u64 subvol_objectid);
19 void btrfs_set_free_space_cache_settings(struct btrfs_fs_info *fs_info);
20
21 static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb)
22 {
23 return sb->s_fs_info;
24 }
25
26 static 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
32 static 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
39
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