On Wed, Oct 27, 2010 at 02:29:39PM -0400, Josef Bacik wrote:
> This patch adds the incompat flag for the space cache inode stuff. Eventually
> we'll want to turn this feature on at mkfs time, but for now lets let it settle
> a bit first. Thanks,
>
> Signed-off-by: Josef Bacik <josef@xxxxxxxxxx>
> ---
> ctree.h | 10 ++++++----
> 1 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/ctree.h b/ctree.h
> index b79e238..4d0e1e2 100644
> --- a/ctree.h
> +++ b/ctree.h
> @@ -350,13 +350,15 @@ struct btrfs_super_block {
> * ones specified below then we will fail to mount
> */
> #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF (1ULL << 0)
> -#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (2ULL << 0)
> +#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL (1ULL << 1)
> +#define BTRFS_FEATURE_INCOMPAT_SPACE_CACHE (1ULL << 2)
>
> #define BTRFS_FEATURE_COMPAT_SUPP 0ULL
> #define BTRFS_FEATURE_COMPAT_RO_SUPP 0ULL
> -#define BTRFS_FEATURE_INCOMPAT_SUPP \
> - (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \
> - BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL)
> +#define BTRFS_FEATURE_INCOMPAT_SUPP \
> + (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \
> + BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \
> + BTRFS_FEATURE_INCOMPAT_SPACE_CACHE)
>
> /*
> * A leaf is full of items. offset and size tell us where to find
NACK, Chris suggested a way to do the space caching without an incompat flag so
I'm going to do it that way. I'll send a new mixed block group patch shortly.
Thanks,
Josef
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
