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 block_device; 11 struct btrfs_fs_info; 12 struct btrfs_device; 13 struct btrfs_fs_devices; 14 struct btrfs_block_group; 15 struct btrfs_space_info; 16 struct btrfs_qgroup; 17 18 enum btrfs_feature_set { 19 FEAT_COMPAT, 20 FEAT_COMPAT_RO, 21 FEAT_INCOMPAT, 22 FEAT_MAX 23 }; 24 25 char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags); 26 const char *btrfs_feature_set_name(enum btrfs_feature_set set); 27 int btrfs_sysfs_add_device(struct btrfs_device *device); 28 void btrfs_sysfs_remove_device(struct btrfs_device *device); 29 int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs); 30 void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs); 31 void btrfs_sysfs_update_sprout_fsid(struct btrfs_fs_devices *fs_devices); 32 void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info); 33 void btrfs_kobject_uevent(struct block_device *bdev, enum kobject_action action); 34 35 int __init btrfs_init_sysfs(void); 36 void __cold btrfs_exit_sysfs(void); 37 int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info); 38 void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info); 39 void btrfs_sysfs_add_block_group_type(struct btrfs_block_group *cache); 40 int btrfs_sysfs_add_space_info_type(struct btrfs_fs_info *fs_info, 41 struct btrfs_space_info *space_info); 42 void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info); 43 void btrfs_sysfs_update_devid(struct btrfs_device *device); 44 45 int btrfs_sysfs_add_one_qgroup(struct btrfs_fs_info *fs_info, 46 struct btrfs_qgroup *qgroup); 47 void btrfs_sysfs_del_qgroups(struct btrfs_fs_info *fs_info); 48 int btrfs_sysfs_add_qgroups(struct btrfs_fs_info *fs_info); 49 void btrfs_sysfs_del_one_qgroup(struct btrfs_fs_info *fs_info, 50 struct btrfs_qgroup *qgroup); 51 int btrfs_read_policy_to_enum(const char *str, s64 *value); 52 53 #ifdef CONFIG_BTRFS_EXPERIMENTAL 54 int __init btrfs_read_policy_init(void); 55 char *btrfs_get_mod_read_policy(void); 56 #endif 57 58 #endif 59