474 				struct btrfs_super_block *disk_super)  in find_fsid_with_metadata_uuid()  argument
489 		if (match_fsid_fs_devices(fs_devices, disk_super->metadata_uuid,  in find_fsid_with_metadata_uuid()
504 		if (check_fsid_changed(fs_devices, disk_super->metadata_uuid))  in find_fsid_with_metadata_uuid()
508 	return find_fsid(disk_super->fsid, disk_super->metadata_uuid);  in find_fsid_with_metadata_uuid()
515 		      struct btrfs_super_block **disk_super)  in btrfs_get_bdev_and_sb()  argument
534 	*disk_super = btrfs_read_dev_super(*bdev);  in btrfs_get_bdev_and_sb()
535 	if (IS_ERR(*disk_super)) {  in btrfs_get_bdev_and_sb()
536 		ret = PTR_ERR(*disk_super);  in btrfs_get_bdev_and_sb()
617 	struct btrfs_super_block *disk_super;  in btrfs_open_one_device()  local
627 				    &bdev, &disk_super);  in btrfs_open_one_device()
631 	devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_open_one_device()
635 	if (memcmp(device->uuid, disk_super->dev_item.uuid, BTRFS_UUID_SIZE))  in btrfs_open_one_device()
638 	device->generation = btrfs_super_generation(disk_super);  in btrfs_open_one_device()
640 	if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING) {  in btrfs_open_one_device()
641 		if (btrfs_super_incompat_flags(disk_super) &  in btrfs_open_one_device()
673 	btrfs_release_disk_super(disk_super);  in btrfs_open_one_device()
678 	btrfs_release_disk_super(disk_super);  in btrfs_open_one_device()
699 					struct btrfs_super_block *disk_super)  in find_fsid_inprogress()  argument
707 		if (check_fsid_changed(fs_devices,  disk_super->fsid))  in find_fsid_inprogress()
711 	return find_fsid(disk_super->fsid, NULL);  in find_fsid_inprogress()
715 					struct btrfs_super_block *disk_super)  in find_fsid_changed()  argument
730 		if (check_fsid_changed(fs_devices, disk_super->metadata_uuid) &&  in find_fsid_changed()
731 		    memcmp(fs_devices->fsid, disk_super->fsid,  in find_fsid_changed()
738 		    memcmp(fs_devices->fsid, disk_super->metadata_uuid,  in find_fsid_changed()
747 				struct btrfs_super_block *disk_super)  in find_fsid_reverted_metadata()  argument
764 		if (check_fsid_changed(fs_devices, disk_super->fsid))  in find_fsid_reverted_metadata()
778 			   struct btrfs_super_block *disk_super,  in device_list_add()  argument
784 	u64 found_transid = btrfs_super_generation(disk_super);  in device_list_add()
785 	u64 devid = btrfs_stack_device_id(&disk_super->dev_item);  in device_list_add()
788 	bool has_metadata_uuid = (btrfs_super_incompat_flags(disk_super) &  in device_list_add()
790 	bool fsid_change_in_progress = (btrfs_super_flags(disk_super) &  in device_list_add()
802 			fs_devices = find_fsid_inprogress(disk_super);  in device_list_add()
804 			fs_devices = find_fsid_changed(disk_super);  in device_list_add()
806 		fs_devices = find_fsid_with_metadata_uuid(disk_super);  in device_list_add()
808 		fs_devices = find_fsid_reverted_metadata(disk_super);  in device_list_add()
810 			fs_devices = find_fsid(disk_super->fsid, NULL);  in device_list_add()
815 		fs_devices = alloc_fs_devices(disk_super->fsid,  in device_list_add()
816 				has_metadata_uuid ? disk_super->metadata_uuid : NULL);  in device_list_add()
829 			.uuid = disk_super->dev_item.uuid,  in device_list_add()
842 			memcpy(fs_devices->fsid, disk_super->fsid,  in device_list_add()
845 			       btrfs_sb_fsid_ptr(disk_super), BTRFS_FSID_SIZE);  in device_list_add()
864 					    disk_super->dev_item.uuid, path);  in device_list_add()
880 		if (disk_super->label[0])  in device_list_add()
883 				disk_super->label, devid, found_transid, path,  in device_list_add()
888 				disk_super->fsid, devid, found_transid, path,  in device_list_add()
985 	fs_devices->total_devices = btrfs_super_num_devices(disk_super);  in device_list_add()
1311 	struct btrfs_super_block *disk_super;  in btrfs_read_disk_super()  local
1321 	if (sizeof(*disk_super) > PAGE_SIZE)  in btrfs_read_disk_super()
1326 	if ((bytenr + sizeof(*disk_super) - 1) >> PAGE_SHIFT != index)  in btrfs_read_disk_super()
1338 	disk_super = p + offset_in_page(bytenr);  in btrfs_read_disk_super()
1340 	if (btrfs_super_bytenr(disk_super) != bytenr_orig ||  in btrfs_read_disk_super()
1341 	    btrfs_super_magic(disk_super) != BTRFS_MAGIC) {  in btrfs_read_disk_super()
1346 	if (disk_super->label[0] && disk_super->label[BTRFS_LABEL_SIZE - 1])  in btrfs_read_disk_super()
1347 		disk_super->label[BTRFS_LABEL_SIZE - 1] = 0;  in btrfs_read_disk_super()
1349 	return disk_super;  in btrfs_read_disk_super()
1370 	struct btrfs_super_block *disk_super;  in btrfs_scan_one_device()  local
1407 	disk_super = btrfs_read_disk_super(bdev, bytenr, bytenr_orig);  in btrfs_scan_one_device()
1408 	if (IS_ERR(disk_super)) {  in btrfs_scan_one_device()
1409 		device = ERR_CAST(disk_super);  in btrfs_scan_one_device()
1413 	device = device_list_add(path, disk_super, &new_device_added);  in btrfs_scan_one_device()
1417 	btrfs_release_disk_super(disk_super);  in btrfs_scan_one_device()
2053 	struct btrfs_super_block *disk_super;  in btrfs_scratch_superblock()  local
2054 	const size_t len = sizeof(disk_super->magic);  in btrfs_scratch_superblock()
2058 	disk_super = btrfs_read_disk_super(bdev, bytenr, bytenr);  in btrfs_scratch_superblock()
2059 	if (IS_ERR(disk_super))  in btrfs_scratch_superblock()
2062 	memset(&disk_super->magic, 0, len);  in btrfs_scratch_superblock()
2063 	folio_mark_dirty(virt_to_folio(disk_super));  in btrfs_scratch_superblock()
2064 	btrfs_release_disk_super(disk_super);  in btrfs_scratch_superblock()
2372 	struct btrfs_super_block *disk_super;  in btrfs_get_dev_args_from_path()  local
2391 				    &bdev, &disk_super);  in btrfs_get_dev_args_from_path()
2397 	args->devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_get_dev_args_from_path()
2398 	memcpy(args->uuid, disk_super->dev_item.uuid, BTRFS_UUID_SIZE);  in btrfs_get_dev_args_from_path()
2400 		memcpy(args->fsid, disk_super->metadata_uuid, BTRFS_FSID_SIZE);  in btrfs_get_dev_args_from_path()
2402 		memcpy(args->fsid, disk_super->fsid, BTRFS_FSID_SIZE);  in btrfs_get_dev_args_from_path()
2403 	btrfs_release_disk_super(disk_super);  in btrfs_get_dev_args_from_path()
2496 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_setup_sprout()  local
2534 	memcpy(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_setup_sprout()
2536 	super_flags = btrfs_super_flags(disk_super) &  in btrfs_setup_sprout()
2538 	btrfs_set_super_flags(disk_super, super_flags);  in btrfs_setup_sprout()