diff mbox

[1/2] btrfs: add missing BTRFS_SUPER_FLAG define

Message ID 20180108030512.22344-1-anand.jain@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

Anand Jain Jan. 8, 2018, 3:05 a.m. UTC 
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>
---
 include/uapi/linux/btrfs_tree.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Qu Wenruo Jan. 8, 2018, 4:52 a.m. UTC | #1 
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)
>  
>  
>  /*
>
diff mbox

Patch

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)
 
 
 /*