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 * const btrfs_feature_set_name(enum btrfs_feature_set set); 17 int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, 18 struct btrfs_device *one_device); 19 int btrfs_sysfs_rm_device_link(struct btrfs_fs_devices *fs_devices, 20 struct btrfs_device *one_device); 21 int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs, 22 struct kobject *parent); 23 int btrfs_sysfs_add_device(struct btrfs_fs_devices *fs_devs); 24 void btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs); 25 void btrfs_sysfs_update_sprout_fsid(struct btrfs_fs_devices *fs_devices, 26 const u8 *fsid); 27 void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info, 28 u64 bit, enum btrfs_feature_set set); 29 void btrfs_kobject_uevent(struct block_device *bdev, enum kobject_action action); 30 31 int __init btrfs_init_sysfs(void); 32 void __cold btrfs_exit_sysfs(void); 33 int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info); 34 void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info); 35 void btrfs_sysfs_add_block_group_type(struct btrfs_block_group_cache *cache); 36 int btrfs_sysfs_add_space_info_type(struct btrfs_fs_info *fs_info, 37 struct btrfs_space_info *space_info); 38 void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info); 39 40 #endif 41