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