3143 	struct btrfs_ioctl_fs_info_args *fi_args;  in btrfs_ioctl_fs_info()  local
3148 	fi_args = kzalloc(sizeof(*fi_args), GFP_KERNEL);  in btrfs_ioctl_fs_info()
3149 	if (!fi_args)  in btrfs_ioctl_fs_info()
3153 	fi_args->num_devices = fs_devices->num_devices;  in btrfs_ioctl_fs_info()
3156 		if (device->devid > fi_args->max_id)  in btrfs_ioctl_fs_info()
3157 			fi_args->max_id = device->devid;  in btrfs_ioctl_fs_info()
3161 	memcpy(&fi_args->fsid, fs_devices->fsid, sizeof(fi_args->fsid));  in btrfs_ioctl_fs_info()
3162 	fi_args->nodesize = fs_info->nodesize;  in btrfs_ioctl_fs_info()
3163 	fi_args->sectorsize = fs_info->sectorsize;  in btrfs_ioctl_fs_info()
3164 	fi_args->clone_alignment = fs_info->sectorsize;  in btrfs_ioctl_fs_info()
3166 	if (copy_to_user(arg, fi_args, sizeof(*fi_args)))  in btrfs_ioctl_fs_info()
3169 	kfree(fi_args);  in btrfs_ioctl_fs_info()