678 	struct btrfs_super_block *disk_super;  in btrfs_open_one_device()  local
692 	disk_super = (struct btrfs_super_block *)bh->b_data;  in btrfs_open_one_device()
693 	devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_open_one_device()
697 	if (memcmp(device->uuid, disk_super->dev_item.uuid, BTRFS_UUID_SIZE))  in btrfs_open_one_device()
700 	device->generation = btrfs_super_generation(disk_super);  in btrfs_open_one_device()
702 	if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING) {  in btrfs_open_one_device()
745 			   struct btrfs_super_block *disk_super,  in device_list_add()  argument
751 	u64 found_transid = btrfs_super_generation(disk_super);  in device_list_add()
752 	u64 devid = btrfs_stack_device_id(&disk_super->dev_item);  in device_list_add()
754 	fs_devices = find_fsid(disk_super->fsid);  in device_list_add()
756 		fs_devices = alloc_fs_devices(disk_super->fsid);  in device_list_add()
767 				disk_super->dev_item.uuid, NULL, false);  in device_list_add()
777 					    disk_super->dev_item.uuid);  in device_list_add()
798 		if (disk_super->label[0])  in device_list_add()
800 				disk_super->label, devid, found_transid, path);  in device_list_add()
803 				disk_super->fsid, devid, found_transid, path);  in device_list_add()
903 	fs_devices->total_devices = btrfs_super_num_devices(disk_super);  in device_list_add()
1197 				 struct btrfs_super_block **disk_super)  in btrfs_read_disk_super()  argument
1207 	if (sizeof(**disk_super) > PAGE_SIZE)  in btrfs_read_disk_super()
1212 	if ((bytenr + sizeof(**disk_super) - 1) >> PAGE_SHIFT != index)  in btrfs_read_disk_super()
1225 	*disk_super = p + (bytenr & ~PAGE_MASK);  in btrfs_read_disk_super()
1227 	if (btrfs_super_bytenr(*disk_super) != bytenr ||  in btrfs_read_disk_super()
1228 	    btrfs_super_magic(*disk_super) != BTRFS_MAGIC) {  in btrfs_read_disk_super()
1233 	if ((*disk_super)->label[0] &&  in btrfs_read_disk_super()
1234 		(*disk_super)->label[BTRFS_LABEL_SIZE - 1])  in btrfs_read_disk_super()
1235 		(*disk_super)->label[BTRFS_LABEL_SIZE - 1] = '\0';  in btrfs_read_disk_super()
1248 	struct btrfs_super_block *disk_super;  in btrfs_scan_one_device()  local
1270 	if (btrfs_read_disk_super(bdev, bytenr, &page, &disk_super)) {  in btrfs_scan_one_device()
1275 	device = device_list_add(path, disk_super, &new_device_added);  in btrfs_scan_one_device()
2137 	struct btrfs_super_block *disk_super;  in btrfs_find_device_by_path()  local
2148 	disk_super = (struct btrfs_super_block *)bh->b_data;  in btrfs_find_device_by_path()
2149 	devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_find_device_by_path()
2150 	dev_uuid = disk_super->dev_item.uuid;  in btrfs_find_device_by_path()
2152 				    disk_super->fsid, true);  in btrfs_find_device_by_path()
2220 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_prepare_sprout()  local
2265 	memcpy(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_prepare_sprout()
2268 	super_flags = btrfs_super_flags(disk_super) &  in btrfs_prepare_sprout()
2270 	btrfs_set_super_flags(disk_super, super_flags);  in btrfs_prepare_sprout()
7226 	struct btrfs_super_block *disk_super;  in btrfs_scratch_superblocks()  local
7238 		disk_super = (struct btrfs_super_block *)bh->b_data;  in btrfs_scratch_superblocks()
7240 		memset(&disk_super->magic, 0, sizeof(disk_super->magic));  in btrfs_scratch_superblocks()