467 				struct btrfs_super_block *disk_super)  in find_fsid_with_metadata_uuid()  argument
480 		    memcmp(disk_super->metadata_uuid, fs_devices->fsid,  in find_fsid_with_metadata_uuid()
497 		    memcmp(disk_super->metadata_uuid, fs_devices->metadata_uuid,  in find_fsid_with_metadata_uuid()
503 	return find_fsid(disk_super->fsid, disk_super->metadata_uuid);  in find_fsid_with_metadata_uuid()
510 		      struct btrfs_super_block **disk_super)  in btrfs_get_bdev_and_sb()  argument
529 	*disk_super = btrfs_read_dev_super(*bdev);  in btrfs_get_bdev_and_sb()
530 	if (IS_ERR(*disk_super)) {  in btrfs_get_bdev_and_sb()
531 		ret = PTR_ERR(*disk_super);  in btrfs_get_bdev_and_sb()
655 	struct btrfs_super_block *disk_super;  in btrfs_open_one_device()  local
665 				    &bdev, &disk_super);  in btrfs_open_one_device()
669 	devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_open_one_device()
673 	if (memcmp(device->uuid, disk_super->dev_item.uuid, BTRFS_UUID_SIZE))  in btrfs_open_one_device()
676 	device->generation = btrfs_super_generation(disk_super);  in btrfs_open_one_device()
678 	if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING) {  in btrfs_open_one_device()
679 		if (btrfs_super_incompat_flags(disk_super) &  in btrfs_open_one_device()
709 	btrfs_release_disk_super(disk_super);  in btrfs_open_one_device()
714 	btrfs_release_disk_super(disk_super);  in btrfs_open_one_device()
727 					struct btrfs_super_block *disk_super)  in find_fsid_inprogress()  argument
734 		    memcmp(fs_devices->metadata_uuid, disk_super->fsid,  in find_fsid_inprogress()
740 	return find_fsid(disk_super->fsid, NULL);  in find_fsid_inprogress()
745 					struct btrfs_super_block *disk_super)  in find_fsid_changed()  argument
762 		    memcmp(fs_devices->metadata_uuid, disk_super->metadata_uuid,  in find_fsid_changed()
764 		    memcmp(fs_devices->fsid, disk_super->fsid,  in find_fsid_changed()
771 		    memcmp(fs_devices->fsid, disk_super->metadata_uuid,  in find_fsid_changed()
780 				struct btrfs_super_block *disk_super)  in find_fsid_reverted_metadata()  argument
796 		    memcmp(fs_devices->metadata_uuid, disk_super->fsid,  in find_fsid_reverted_metadata()
812 			   struct btrfs_super_block *disk_super,  in device_list_add()  argument
818 	u64 found_transid = btrfs_super_generation(disk_super);  in device_list_add()
819 	u64 devid = btrfs_stack_device_id(&disk_super->dev_item);  in device_list_add()
820 	bool has_metadata_uuid = (btrfs_super_incompat_flags(disk_super) &  in device_list_add()
822 	bool fsid_change_in_progress = (btrfs_super_flags(disk_super) &  in device_list_add()
827 			fs_devices = find_fsid_inprogress(disk_super);  in device_list_add()
829 			fs_devices = find_fsid_changed(disk_super);  in device_list_add()
831 		fs_devices = find_fsid_with_metadata_uuid(disk_super);  in device_list_add()
833 		fs_devices = find_fsid_reverted_metadata(disk_super);  in device_list_add()
835 			fs_devices = find_fsid(disk_super->fsid, NULL);  in device_list_add()
841 			fs_devices = alloc_fs_devices(disk_super->fsid,  in device_list_add()
842 						      disk_super->metadata_uuid);  in device_list_add()
844 			fs_devices = alloc_fs_devices(disk_super->fsid, NULL);  in device_list_add()
858 				disk_super->dev_item.uuid, NULL, false);  in device_list_add()
867 			memcpy(fs_devices->fsid, disk_super->fsid,  in device_list_add()
872 				       disk_super->metadata_uuid,  in device_list_add()
876 				       disk_super->fsid, BTRFS_FSID_SIZE);  in device_list_add()
889 					    disk_super->dev_item.uuid);  in device_list_add()
910 		if (disk_super->label[0])  in device_list_add()
913 				disk_super->label, devid, found_transid, path,  in device_list_add()
918 				disk_super->fsid, devid, found_transid, path,  in device_list_add()
1022 	fs_devices->total_devices = btrfs_super_num_devices(disk_super);  in device_list_add()
1324 	struct btrfs_super_block *disk_super;  in btrfs_read_disk_super()  local
1334 	if (sizeof(*disk_super) > PAGE_SIZE)  in btrfs_read_disk_super()
1339 	if ((bytenr + sizeof(*disk_super) - 1) >> PAGE_SHIFT != index)  in btrfs_read_disk_super()
1351 	disk_super = p + offset_in_page(bytenr);  in btrfs_read_disk_super()
1353 	if (btrfs_super_bytenr(disk_super) != bytenr ||  in btrfs_read_disk_super()
1354 	    btrfs_super_magic(disk_super) != BTRFS_MAGIC) {  in btrfs_read_disk_super()
1359 	if (disk_super->label[0] && disk_super->label[BTRFS_LABEL_SIZE - 1])  in btrfs_read_disk_super()
1360 		disk_super->label[BTRFS_LABEL_SIZE - 1] = 0;  in btrfs_read_disk_super()
1362 	return disk_super;  in btrfs_read_disk_super()
1384 	struct btrfs_super_block *disk_super;  in btrfs_scan_one_device()  local
1405 	disk_super = btrfs_read_disk_super(bdev, bytenr);  in btrfs_scan_one_device()
1406 	if (IS_ERR(disk_super)) {  in btrfs_scan_one_device()
1407 		device = ERR_CAST(disk_super);  in btrfs_scan_one_device()
1411 	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()
2061 	struct btrfs_super_block *disk_super;  in btrfs_scratch_superblocks()  local
2071 		disk_super = btrfs_read_dev_one_super(bdev, copy_num);  in btrfs_scratch_superblocks()
2072 		if (IS_ERR(disk_super))  in btrfs_scratch_superblocks()
2075 		memset(&disk_super->magic, 0, sizeof(disk_super->magic));  in btrfs_scratch_superblocks()
2077 		page = virt_to_page(disk_super);  in btrfs_scratch_superblocks()
2086 		btrfs_release_disk_super(disk_super);  in btrfs_scratch_superblocks()
2338 	struct btrfs_super_block *disk_super;  in btrfs_find_device_by_path()  local
2345 				    fs_info->bdev_holder, 0, &bdev, &disk_super);  in btrfs_find_device_by_path()
2349 	devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_find_device_by_path()
2350 	dev_uuid = disk_super->dev_item.uuid;  in btrfs_find_device_by_path()
2353 					   disk_super->metadata_uuid, true);  in btrfs_find_device_by_path()
2356 					   disk_super->fsid, true);  in btrfs_find_device_by_path()
2358 	btrfs_release_disk_super(disk_super);  in btrfs_find_device_by_path()
2407 	struct btrfs_super_block *disk_super = fs_info->super_copy;  in btrfs_prepare_sprout()  local
2458 	memcpy(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_prepare_sprout()
2461 	super_flags = btrfs_super_flags(disk_super) &  in btrfs_prepare_sprout()
2463 	btrfs_set_super_flags(disk_super, super_flags);  in btrfs_prepare_sprout()