On Tue, Apr 22, 2014 at 03:20:00PM +0200, David Sterba wrote:
> Kernels 3.15 > export the global block reserve as a space info presented
> by 'btrfs fi df' but would display 'unknown' instead of some meaningful
> string.
>
> Signed-off-by: David Sterba <dsterba@xxxxxxx>
> ---
>
> Global_rsv or GlobalRsv or Globalrsv or something else?
Personally, I'd probably go for the camel case GlobalRsv, or
possibly GlbReserve. (Assuming that it's going to be only a single
token without whitespace to make parsing easier).
Hugo.
> cmds-filesystem.c | 2 ++
> ctree.h | 2 ++
> 2 files changed, 4 insertions(+)
>
> diff --git a/cmds-filesystem.c b/cmds-filesystem.c
> index 306f715475ac..5a3bbca91458 100644
> --- a/cmds-filesystem.c
> +++ b/cmds-filesystem.c
> @@ -129,6 +129,8 @@ static char *group_type_str(u64 flag)
> return "Metadata";
> case BTRFS_BLOCK_GROUP_DATA|BTRFS_BLOCK_GROUP_METADATA:
> return "Data+Metadata";
> + case BTRFS_SPACE_INFO_GLOBAL_RSV:
> + return "Global_rsv";
> default:
> return "unknown";
> }
> diff --git a/ctree.h b/ctree.h
> index a4d2cd114614..7e8ced718931 100644
> --- a/ctree.h
> +++ b/ctree.h
> @@ -861,6 +861,8 @@ struct btrfs_csum_item {
> /* used in struct btrfs_balance_args fields */
> #define BTRFS_AVAIL_ALLOC_BIT_SINGLE (1ULL << 48)
>
> +#define BTRFS_SPACE_INFO_GLOBAL_RSV (1ULL << 49)
> +
> #define BTRFS_QGROUP_STATUS_OFF 0
> #define BTRFS_QGROUP_STATUS_ON 1
> #define BTRFS_QGROUP_STATUS_SCANNING 2
--
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
--- Some days, it's just not worth gnawing through the straps. ---
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