On 24/06/2020 13:03, Qu Wenruo wrote:
>> diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
>> index e6b6cb0f8bc6..161d9100c2a6 100644
>> --- a/include/uapi/linux/btrfs.h
>> +++ b/include/uapi/linux/btrfs.h
>> @@ -250,10 +250,21 @@ struct btrfs_ioctl_fs_info_args {
>> __u32 nodesize; /* out */
>> __u32 sectorsize; /* out */
>> __u32 clone_alignment; /* out */
>> + __u32 flags; /* out */
> The flags looks a little too generic.
> What about extra_members or things like that?
>
> This flag really indicates what extra info the ioctl args can provide,
> so a better name would be easier to understand.
Maybe version and for each new member it gets incremented?
