2361 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_replay_log()  local
2362 	u64 bytenr = btrfs_super_log_root(disk_super);  in btrfs_replay_log()
2363 	int level = btrfs_super_log_root_level(disk_super);  in btrfs_replay_log()
3320 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_check_features()  local
3321 	u64 incompat = btrfs_super_incompat_flags(disk_super);  in btrfs_check_features()
3322 	const u64 compat_ro = btrfs_super_compat_ro_flags(disk_super);  in btrfs_check_features()
3354 	if (btrfs_super_nodesize(disk_super) > PAGE_SIZE)  in btrfs_check_features()
3369 	if (compat_ro_unsupp && btrfs_super_log_root(disk_super) &&  in btrfs_check_features()
3405 	btrfs_set_super_incompat_flags(disk_super, incompat);  in btrfs_check_features()
3420 	struct btrfs_super_block *disk_super;  in open_ctree()  local
3459 	disk_super = btrfs_read_dev_super(fs_devices->latest_dev->bdev);  in open_ctree()
3460 	if (IS_ERR(disk_super)) {  in open_ctree()
3461 		err = PTR_ERR(disk_super);  in open_ctree()
3469 	csum_type = btrfs_super_csum_type(disk_super);  in open_ctree()
3474 		btrfs_release_disk_super(disk_super);  in open_ctree()
3478 	fs_info->csum_size = btrfs_super_csum_size(disk_super);  in open_ctree()
3483 		btrfs_release_disk_super(disk_super);  in open_ctree()
3491 	if (btrfs_check_super_csum(fs_info, disk_super)) {  in open_ctree()
3494 		btrfs_release_disk_super(disk_super);  in open_ctree()
3503 	memcpy(fs_info->super_copy, disk_super, sizeof(*fs_info->super_copy));  in open_ctree()
3504 	btrfs_release_disk_super(disk_super);  in open_ctree()
3506 	disk_super = fs_info->super_copy;  in open_ctree()
3509 	features = btrfs_super_flags(disk_super);  in open_ctree()
3512 		btrfs_set_super_flags(disk_super, features);  in open_ctree()
3527 	if (!btrfs_super_root(disk_super))  in open_ctree()
3531 	if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_ERROR)  in open_ctree()
3542 	nodesize = btrfs_super_nodesize(disk_super);  in open_ctree()
3543 	sectorsize = btrfs_super_sectorsize(disk_super);  in open_ctree()
3596 	sb->s_bdi->ra_pages *= btrfs_super_num_devices(disk_super);  in open_ctree()
3611 	generation = btrfs_super_chunk_root_generation(disk_super);  in open_ctree()
3612 	level = btrfs_super_chunk_root_level(disk_super);  in open_ctree()
3613 	ret = load_super_root(chunk_root, btrfs_super_chunk_root(disk_super),  in open_ctree()
3669 	    fs_info->generation == btrfs_super_uuid_tree_generation(disk_super))  in open_ctree()
3780 	if (btrfs_super_log_root(disk_super) != 0 &&  in open_ctree()
3810 	     fs_info->generation != btrfs_super_uuid_tree_generation(disk_super))) {  in open_ctree()
4012 		struct btrfs_super_block *disk_super;  in write_dev_supers()  local
4048 		disk_super = page_address(page);  in write_dev_supers()
4049 		memcpy(disk_super, sb, BTRFS_SUPER_INFO_SIZE);  in write_dev_supers()