591 			   struct btrfs_super_block *disk_super,  in device_list_add()  argument
598 	u64 found_transid = btrfs_super_generation(disk_super);  in device_list_add()
600 	fs_devices = find_fsid(disk_super->fsid);  in device_list_add()
602 		fs_devices = alloc_fs_devices(disk_super->fsid);  in device_list_add()
611 				       disk_super->dev_item.uuid);  in device_list_add()
619 					    disk_super->dev_item.uuid);  in device_list_add()
896 	struct btrfs_super_block *disk_super;  in __btrfs_open_devices()  local
914 		disk_super = (struct btrfs_super_block *)bh->b_data;  in __btrfs_open_devices()
915 		devid = btrfs_stack_device_id(&disk_super->dev_item);  in __btrfs_open_devices()
919 		if (memcmp(device->uuid, disk_super->dev_item.uuid,  in __btrfs_open_devices()
923 		device->generation = btrfs_super_generation(disk_super);  in __btrfs_open_devices()
928 		if (btrfs_super_flags(disk_super) & BTRFS_SUPER_FLAG_SEEDING) {  in __btrfs_open_devices()
997 	struct btrfs_super_block *disk_super;  in btrfs_scan_one_device()  local
1030 	if (sizeof(*disk_super) > PAGE_CACHE_SIZE)  in btrfs_scan_one_device()
1035 	if ((bytenr + sizeof(*disk_super) - 1) >> PAGE_CACHE_SHIFT != index)  in btrfs_scan_one_device()
1048 	disk_super = p + (bytenr & ~PAGE_CACHE_MASK);  in btrfs_scan_one_device()
1050 	if (btrfs_super_bytenr(disk_super) != bytenr ||  in btrfs_scan_one_device()
1051 	    btrfs_super_magic(disk_super) != BTRFS_MAGIC)  in btrfs_scan_one_device()
1054 	devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_scan_one_device()
1055 	transid = btrfs_super_generation(disk_super);  in btrfs_scan_one_device()
1056 	total_devices = btrfs_super_num_devices(disk_super);  in btrfs_scan_one_device()
1058 	ret = device_list_add(path, disk_super, devid, fs_devices_ret);  in btrfs_scan_one_device()
1060 		if (disk_super->label[0]) {  in btrfs_scan_one_device()
1061 			if (disk_super->label[BTRFS_LABEL_SIZE - 1])  in btrfs_scan_one_device()
1062 				disk_super->label[BTRFS_LABEL_SIZE - 1] = '\0';  in btrfs_scan_one_device()
1063 			printk(KERN_INFO "BTRFS: device label %s ", disk_super->label);  in btrfs_scan_one_device()
1065 			printk(KERN_INFO "BTRFS: device fsid %pU ", disk_super->fsid);  in btrfs_scan_one_device()
1696 	struct btrfs_super_block *disk_super;  in btrfs_rm_device()  local
1765 		disk_super = NULL;  in btrfs_rm_device()
1777 		disk_super = (struct btrfs_super_block *)bh->b_data;  in btrfs_rm_device()
1778 		devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_rm_device()
1779 		dev_uuid = disk_super->dev_item.uuid;  in btrfs_rm_device()
1781 					   disk_super->fsid);  in btrfs_rm_device()
1885 	if (clear_super && disk_super) {  in btrfs_rm_device()
1892 		memset(&disk_super->magic, 0, sizeof(disk_super->magic));  in btrfs_rm_device()
1912 			disk_super = (struct btrfs_super_block *)bh->b_data;  in btrfs_rm_device()
1914 			if (btrfs_super_bytenr(disk_super) != bytenr ||  in btrfs_rm_device()
1915 				btrfs_super_magic(disk_super) != BTRFS_MAGIC) {  in btrfs_rm_device()
1918 			memset(&disk_super->magic, 0,  in btrfs_rm_device()
1919 						sizeof(disk_super->magic));  in btrfs_rm_device()
2050 	struct btrfs_super_block *disk_super;  in btrfs_find_device_by_path()  local
2061 	disk_super = (struct btrfs_super_block *)bh->b_data;  in btrfs_find_device_by_path()
2062 	devid = btrfs_stack_device_id(&disk_super->dev_item);  in btrfs_find_device_by_path()
2063 	dev_uuid = disk_super->dev_item.uuid;  in btrfs_find_device_by_path()
2065 				    disk_super->fsid);  in btrfs_find_device_by_path()
2111 	struct btrfs_super_block *disk_super = root->fs_info->super_copy;  in btrfs_prepare_sprout()  local
2156 	memcpy(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_prepare_sprout()
2159 	super_flags = btrfs_super_flags(disk_super) &  in btrfs_prepare_sprout()
2161 	btrfs_set_super_flags(disk_super, super_flags);  in btrfs_prepare_sprout()
6868 	struct btrfs_super_block *disk_super;  in btrfs_scratch_superblocks()  local
6880 		disk_super = (struct btrfs_super_block *)bh->b_data;  in btrfs_scratch_superblocks()
6882 		memset(&disk_super->magic, 0, sizeof(disk_super->magic));  in btrfs_scratch_superblocks()