fs/btrfs/super.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 #ifndef BTRFS_SUPER_H
   4 #define BTRFS_SUPER_H
   5
   6 int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
   7                         unsigned long new_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
  12 static inline struct btrfs_fs_info *btrfs_sb(struct super_block *sb)
  13 {
  14         return sb->s_fs_info;
  15 }
  16
  17 static inline void btrfs_set_sb_rdonly(struct super_block *sb)
  18 {
  19         sb->s_flags |= SB_RDONLY;
  20         set_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state);
  21 }
  22
  23 static inline void btrfs_clear_sb_rdonly(struct super_block *sb)
  24 {
  25         sb->s_flags &= ~SB_RDONLY;
  26         clear_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state);
  27 }
  28
  29 #endif