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