88 static u64 get_features(struct btrfs_fs_info *fs_info,  in get_features()  argument
91 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in get_features()
100 static void set_features(struct btrfs_fs_info *fs_info,  in set_features()  argument
103 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in set_features()
147 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_feature_attr_show()  local
149 	if (fs_info) {  in btrfs_feature_attr_show()
150 		u64 features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_show()
163 	struct btrfs_fs_info *fs_info;  in btrfs_feature_attr_store()  local
169 	fs_info = to_fs_info(kobj);  in btrfs_feature_attr_store()
170 	if (!fs_info)  in btrfs_feature_attr_store()
173 	if (sb_rdonly(fs_info->sb))  in btrfs_feature_attr_store()
191 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
200 		btrfs_info(fs_info,  in btrfs_feature_attr_store()
206 	btrfs_info(fs_info, "%s %s feature flag",  in btrfs_feature_attr_store()
209 	spin_lock(&fs_info->super_lock);  in btrfs_feature_attr_store()
210 	features = get_features(fs_info, fa->feature_set);  in btrfs_feature_attr_store()
215 	set_features(fs_info, fa->feature_set, features);  in btrfs_feature_attr_store()
216 	spin_unlock(&fs_info->super_lock);  in btrfs_feature_attr_store()
221 	btrfs_set_pending(fs_info, COMMIT);  in btrfs_feature_attr_store()
222 	wake_up_process(fs_info->transaction_kthread);  in btrfs_feature_attr_store()
230 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_feature_visible()  local
233 	if (fs_info) {  in btrfs_feature_visible()
238 		features = get_features(fs_info, fa->feature_set);  in btrfs_feature_visible()
347 	struct btrfs_fs_info *fs_info = to_fs_info(kobj->parent);  in global_rsv_size_show()  local
348 	struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;  in global_rsv_size_show()
356 	struct btrfs_fs_info *fs_info = to_fs_info(kobj->parent);  in global_rsv_reserved_show()  local
357 	struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;  in global_rsv_reserved_show()
476 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_label_show()  local
477 	char *label = fs_info->super_copy->label;  in btrfs_label_show()
480 	spin_lock(&fs_info->super_lock);  in btrfs_label_show()
482 	spin_unlock(&fs_info->super_lock);  in btrfs_label_show()
491 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_label_store()  local
494 	if (!fs_info)  in btrfs_label_store()
497 	if (sb_rdonly(fs_info->sb))  in btrfs_label_store()
509 	spin_lock(&fs_info->super_lock);  in btrfs_label_store()
510 	memset(fs_info->super_copy->label, 0, BTRFS_LABEL_SIZE);  in btrfs_label_store()
511 	memcpy(fs_info->super_copy->label, buf, p_len);  in btrfs_label_store()
512 	spin_unlock(&fs_info->super_lock);  in btrfs_label_store()
517 	btrfs_set_pending(fs_info, COMMIT);  in btrfs_label_store()
518 	wake_up_process(fs_info->transaction_kthread);  in btrfs_label_store()
527 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_nodesize_show()  local
529 	return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->nodesize);  in btrfs_nodesize_show()
537 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_sectorsize_show()  local
540 			fs_info->super_copy->sectorsize);  in btrfs_sectorsize_show()
548 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_clone_alignment_show()  local
551 			fs_info->super_copy->sectorsize);  in btrfs_clone_alignment_show()
559 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in quota_override_show()  local
562 	quota_override = test_bit(BTRFS_FS_QUOTA_OVERRIDE, &fs_info->flags);  in quota_override_show()
570 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in quota_override_store()  local
574 	if (!fs_info)  in quota_override_store()
587 		set_bit(BTRFS_FS_QUOTA_OVERRIDE, &fs_info->flags);  in quota_override_store()
589 		clear_bit(BTRFS_FS_QUOTA_OVERRIDE, &fs_info->flags);  in quota_override_store()
599 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);  in btrfs_metadata_uuid_show()  local
602 			fs_info->fs_devices->metadata_uuid);  in btrfs_metadata_uuid_show()
641 	return to_fs_devs(kobj)->fs_info;  in to_fs_info()
655 static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add)  in addrm_unknown_feature_attrs()  argument
666 		u64 features = get_features(fs_info, set);  in addrm_unknown_feature_attrs()
683 				ret = sysfs_merge_group(&fs_info->fs_devices->fsid_kobj,  in addrm_unknown_feature_attrs()
688 				sysfs_unmerge_group(&fs_info->fs_devices->fsid_kobj,  in addrm_unknown_feature_attrs()
726 void btrfs_sysfs_remove_mounted(struct btrfs_fs_info *fs_info)  in btrfs_sysfs_remove_mounted()  argument
728 	btrfs_reset_fs_info_ptr(fs_info);  in btrfs_sysfs_remove_mounted()
730 	if (fs_info->space_info_kobj) {  in btrfs_sysfs_remove_mounted()
731 		sysfs_remove_files(fs_info->space_info_kobj, allocation_attrs);  in btrfs_sysfs_remove_mounted()
732 		kobject_del(fs_info->space_info_kobj);  in btrfs_sysfs_remove_mounted()
733 		kobject_put(fs_info->space_info_kobj);  in btrfs_sysfs_remove_mounted()
735 	addrm_unknown_feature_attrs(fs_info, false);  in btrfs_sysfs_remove_mounted()
736 	sysfs_remove_group(&fs_info->fs_devices->fsid_kobj, &btrfs_feature_attr_group);  in btrfs_sysfs_remove_mounted()
737 	sysfs_remove_files(&fs_info->fs_devices->fsid_kobj, btrfs_attrs);  in btrfs_sysfs_remove_mounted()
738 	btrfs_sysfs_rm_device_link(fs_info->fs_devices, NULL);  in btrfs_sysfs_remove_mounted()
827 	struct btrfs_fs_info *fs_info = cache->fs_info;  in btrfs_sysfs_add_block_group_type()  local
846 		btrfs_warn(cache->fs_info,  in btrfs_sysfs_add_block_group_type()
858 		btrfs_warn(fs_info,  in btrfs_sysfs_add_block_group_type()
909 int btrfs_sysfs_add_space_info_type(struct btrfs_fs_info *fs_info,  in btrfs_sysfs_add_space_info_type()  argument
915 				   fs_info->space_info_kobj, "%s",  in btrfs_sysfs_add_space_info_type()
1023 		btrfs_warn(fs_devices->fs_info,  in btrfs_sysfs_update_sprout_fsid()
1051 int btrfs_sysfs_add_mounted(struct btrfs_fs_info *fs_info)  in btrfs_sysfs_add_mounted()  argument
1054 	struct btrfs_fs_devices *fs_devs = fs_info->fs_devices;  in btrfs_sysfs_add_mounted()
1057 	btrfs_set_fs_info_ptr(fs_info);  in btrfs_sysfs_add_mounted()
1081 	error = addrm_unknown_feature_attrs(fs_info, true);  in btrfs_sysfs_add_mounted()
1085 	fs_info->space_info_kobj = kobject_create_and_add("allocation",  in btrfs_sysfs_add_mounted()
1087 	if (!fs_info->space_info_kobj) {  in btrfs_sysfs_add_mounted()
1092 	error = sysfs_create_files(fs_info->space_info_kobj, allocation_attrs);  in btrfs_sysfs_add_mounted()
1098 	btrfs_sysfs_remove_mounted(fs_info);  in btrfs_sysfs_add_mounted()
1107 void btrfs_sysfs_feature_update(struct btrfs_fs_info *fs_info,  in btrfs_sysfs_feature_update()  argument
1115 	if (!fs_info)  in btrfs_sysfs_feature_update()
1118 	features = get_features(fs_info, set);  in btrfs_sysfs_feature_update()
1121 	fs_devs = fs_info->fs_devices;  in btrfs_sysfs_feature_update()