Josef Bacik
2010-Oct-27 18:29 UTC
[PATCH] Btrfs-progs: add incompat flag for space cache inode
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@redhat.com>
---
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
--
1.6.6.1
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Josef Bacik
2010-Oct-28 18:16 UTC
Re: [PATCH] Btrfs-progs: add incompat flag for space cache inode
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@redhat.com> > --- > 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 findNACK, 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html