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(struct btrfs_fs_info *info, unsigned long *mount_opt, 14 unsigned long flags); 15 int btrfs_sync_fs(struct super_block *sb, int wait); 16 char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, 17 u64 subvol_objectid); 18 void btrfs_set_free_space_cache_settings(struct btrfs_fs_info *fs_info); 19 20 static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb) 21 { 22 return sb->s_fs_info; 23 } 24 25 static inline void btrfs_set_sb_rdonly(struct super_block *sb) 26 { 27 sb->s_flags |= SB_RDONLY; 28 set_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state); 29 } 30 31 static inline void btrfs_clear_sb_rdonly(struct super_block *sb) 32 { 33 sb->s_flags &= ~SB_RDONLY; 34 clear_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state); 35 } 36 37 #endif 38