fs/btrfs/super.h

   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