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(struct btrfs_fs_info *info, unsigned long *mount_opt, 14 unsigned long flags); 15int btrfs_sync_fs(struct super_block *sb, int wait); 16char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, 17 u64 subvol_objectid); 18void btrfs_set_free_space_cache_settings(struct btrfs_fs_info *fs_info); 19 20static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb) 21{ 22 return sb->s_fs_info; 23} 24 25static 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 31static 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