fs/btrfs/super.h

   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