Re: [PATCH 1/2] btrfs: add missing BTRFS_SUPER_FLAG define

[Qu Wenruo <quwenruo.btrfs@gmx.com>]

[-- Attachment #1.1: Type: text/plain, Size: 955 bytes --]



On 2018年01月08日 11:05, Anand Jain wrote:
> btrfs-progs uses super flag bit BTRFS_SUPER_FLAG_METADUMP_V2 (1ULL << 34).
> So just define that in kernel so that we know its been used. This patch
> does not add it to BTRFS_SUPER_FLAG_SUPP yet, and will continue to warn
> about unsupported flag.
> 
> Signed-off-by: Anand Jain <anand.jain@oracle.com>

Reviewed-by: Qu Wenruo <wqu@suse.com>

Thanks,
Qu

> ---
>  include/uapi/linux/btrfs_tree.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
> index 6d6e5da51527..38ab0e06259a 100644
> --- a/include/uapi/linux/btrfs_tree.h
> +++ b/include/uapi/linux/btrfs_tree.h
> @@ -456,6 +456,7 @@ struct btrfs_free_space_header {
>  
>  #define BTRFS_SUPER_FLAG_SEEDING	(1ULL << 32)
>  #define BTRFS_SUPER_FLAG_METADUMP	(1ULL << 33)
> +#define BTRFS_SUPER_FLAG_METADUMP_V2	(1ULL << 34)
>  
>  
>  /*
> 


[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 520 bytes --]