Btrfs: Stop using radix trees for the block group cache
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5262b28..c6174b2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -271,8 +271,6 @@
} __attribute__ ((__packed__));
/* tag for the radix tree of block groups in ram */
-#define BTRFS_BLOCK_GROUP_DIRTY 0
-#define BTRFS_BLOCK_GROUP_AVAIL 1
#define BTRFS_BLOCK_GROUP_SIZE (256 * 1024 * 1024)
@@ -285,7 +283,6 @@
struct btrfs_block_group_cache {
struct btrfs_key key;
struct btrfs_block_group_item item;
- struct radix_tree_root *radix;
u64 first_free;
u64 last_alloc;
u64 pinned;
@@ -301,10 +298,9 @@
struct radix_tree_root fs_roots_radix;
struct radix_tree_root pending_del_radix;
struct radix_tree_root pinned_radix;
- struct radix_tree_root block_group_radix;
- struct radix_tree_root block_group_data_radix;
struct radix_tree_root extent_ins_radix;
struct extent_map_tree free_space_cache;
+ struct extent_map_tree block_group_cache;
u64 generation;
u64 last_trans_committed;
struct btrfs_transaction *running_transaction;