btrfs: move basic block_group definitions to their own header
This is prep work for moving all of the block group cache code into its
own file.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ minor comment updates ]
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index ab7b9ec..9dbb9c5 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -8,6 +8,7 @@
#include "ordered-data.h"
#include "transaction.h"
#include "math.h"
+#include "block-group.h"
u64 btrfs_space_info_used(struct btrfs_space_info *s_info,
bool may_use_included)