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