1  /* SPDX-License-Identifier: GPL-2.0 */
2  
3  #ifndef BTRFS_SYSFS_H
4  #define BTRFS_SYSFS_H
5  
6  #include <linux/types.h>
7  #include <linux/compiler_types.h>
8  #include <linux/kobject.h>
9  
10  struct btrfs_fs_info;
11  struct btrfs_device;
12  struct btrfs_fs_devices;
13  struct btrfs_block_group;
14  struct btrfs_space_info;
15  struct btrfs_qgroup;
16  
17  enum btrfs_feature_set {
18  	FEAT_COMPAT,
19  	FEAT_COMPAT_RO,
20  	FEAT_INCOMPAT,
21  	FEAT_MAX
22  };
23  
24  char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags);
25  const char *btrfs_feature_set_name(enum btrfs_feature_set set);
26  int btrfs_sysfs_add_device(struct btrfs_device *device);
27  void btrfs_sysfs_remove_device(struct btrfs_device *device);
28  int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs);
29  void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs);
30  void btrfs_sysfs_update_sprout_fsid(struct btrfs_fs_devices *fs_devices);
31  void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info);
32  void btrfs_kobject_uevent(struct block_device *bdev, enum kobject_action action);
33  
34  int __init btrfs_init_sysfs(void);
35  void __cold btrfs_exit_sysfs(void);
36  int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info);
37  void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info);
38  void btrfs_sysfs_add_block_group_type(struct btrfs_block_group *cache);
39  int btrfs_sysfs_add_space_info_type(struct btrfs_fs_info *fs_info,
40  				    struct btrfs_space_info *space_info);
41  void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info);
42  void btrfs_sysfs_update_devid(struct btrfs_device *device);
43  
44  int btrfs_sysfs_add_one_qgroup(struct btrfs_fs_info *fs_info,
45  				struct btrfs_qgroup *qgroup);
46  void btrfs_sysfs_del_qgroups(struct btrfs_fs_info *fs_info);
47  int btrfs_sysfs_add_qgroups(struct btrfs_fs_info *fs_info);
48  void btrfs_sysfs_del_one_qgroup(struct btrfs_fs_info *fs_info,
49  				struct btrfs_qgroup *qgroup);
50  
51  #endif
52