2257 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_replay_log()  local
2258 	u64 bytenr = btrfs_super_log_root(disk_super);  in btrfs_replay_log()
2259 	int level = btrfs_super_log_root_level(disk_super);  in btrfs_replay_log()
2912 	struct btrfs_super_block *disk_super;  in open_ctree()  local
2952 	disk_super = btrfs_read_dev_super(fs_devices->latest_bdev);  in open_ctree()
2953 	if (IS_ERR(disk_super)) {  in open_ctree()
2954 		err = PTR_ERR(disk_super);  in open_ctree()
2962 	csum_type = btrfs_super_csum_type(disk_super);  in open_ctree()
2967 		btrfs_release_disk_super(disk_super);  in open_ctree()
2974 		btrfs_release_disk_super(disk_super);  in open_ctree()
2982 	if (btrfs_check_super_csum(fs_info, (u8 *)disk_super)) {  in open_ctree()
2985 		btrfs_release_disk_super(disk_super);  in open_ctree()
2994 	memcpy(fs_info->super_copy, disk_super, sizeof(*fs_info->super_copy));  in open_ctree()
2995 	btrfs_release_disk_super(disk_super);  in open_ctree()
2997 	disk_super = fs_info->super_copy;  in open_ctree()
3000 	features = btrfs_super_flags(disk_super);  in open_ctree()
3003 		btrfs_set_super_flags(disk_super, features);  in open_ctree()
3018 	if (!btrfs_super_root(disk_super))  in open_ctree()
3022 	if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_ERROR)  in open_ctree()
3035 	if (btrfs_super_nodesize(disk_super) > PAGE_SIZE) {  in open_ctree()
3043 	nodesize = btrfs_super_nodesize(disk_super);  in open_ctree()
3044 	sectorsize = btrfs_super_sectorsize(disk_super);  in open_ctree()
3060 	features = btrfs_super_incompat_flags(disk_super) &  in open_ctree()
3070 	features = btrfs_super_incompat_flags(disk_super);  in open_ctree()
3096 	btrfs_set_super_incompat_flags(disk_super, features);  in open_ctree()
3098 	features = btrfs_super_compat_ro_flags(disk_super) &  in open_ctree()
3112 	if (unlikely(features && btrfs_super_log_root(disk_super) &&  in open_ctree()
3128 	sb->s_bdi->ra_pages *= btrfs_super_num_devices(disk_super);  in open_ctree()
3143 	generation = btrfs_super_chunk_root_generation(disk_super);  in open_ctree()
3144 	level = btrfs_super_chunk_root_level(disk_super);  in open_ctree()
3147 					   btrfs_super_chunk_root(disk_super),  in open_ctree()
3194 	    fs_info->generation == btrfs_super_uuid_tree_generation(disk_super))  in open_ctree()
3299 	if (btrfs_super_log_root(disk_super) != 0 &&  in open_ctree()
3409 				btrfs_super_uuid_tree_generation(disk_super)) {  in open_ctree()
3589 		struct btrfs_super_block *disk_super;  in write_dev_supers()  local
3615 		disk_super = page_address(page);  in write_dev_supers()
3616 		memcpy(disk_super, sb, BTRFS_SUPER_INFO_SIZE);  in write_dev_supers()