455 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);  in csum_dirty_buffer()
544 	csum_size = btrfs_super_csum_size(fs_info->super_copy);  in btrfs_validate_metadata_buffer()
1517 	kfree(fs_info->super_copy);  in btrfs_free_fs_info()
1851 	const u64 newest_gen = btrfs_super_generation(info->super_copy);  in find_newest_super_backup()
1857 		root_backup = info->super_copy->super_roots + i;  in find_newest_super_backup()
1931 			     btrfs_super_total_bytes(info->super_copy));  in backup_super_roots()
1933 			     btrfs_super_bytes_used(info->super_copy));  in backup_super_roots()
1935 			     btrfs_super_num_devices(info->super_copy));  in backup_super_roots()
1941 	memcpy(&info->super_copy->super_roots,  in backup_super_roots()
1958 	struct btrfs_super_block *super = fs_info->super_copy;  in read_backup_root()
2257 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_replay_log()
2479 	if (memcmp(fs_info->fs_devices->fsid, fs_info->super_copy->fsid,  in validate_super()
2483 			fs_info->super_copy->fsid, fs_info->fs_devices->fsid);  in validate_super()
2489 		   fs_info->super_copy->metadata_uuid, BTRFS_FSID_SIZE)) {  in validate_super()
2492 			fs_info->super_copy->metadata_uuid,  in validate_super()
2579 	return validate_super(fs_info, fs_info->super_copy, 0);  in btrfs_validate_mount_super()
2620 	struct btrfs_super_block *sb = fs_info->super_copy;  in init_tree_roots()
2994 	memcpy(fs_info->super_copy, disk_super, sizeof(*fs_info->super_copy));  in open_ctree()
2997 	disk_super = fs_info->super_copy;  in open_ctree()
3008 	memcpy(fs_info->super_for_commit, fs_info->super_copy,  in open_ctree()
3885 	max_errors = btrfs_super_num_devices(fs_info->super_copy) - 1;  in write_all_supers()