Btrfs: more block allocator work

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 419917279e65..c432222d40e3 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -250,6 +250,8 @@ struct btrfs_block_group_item {
 struct btrfs_block_group_cache {
         struct btrfs_key key;
         struct btrfs_block_group_item item;
+        u64 first_free;
+        u64 last_alloc;
 };
 
 struct crypto_hash;
@@ -257,7 +259,7 @@ struct btrfs_fs_info {
         struct btrfs_root *extent_root;
         struct btrfs_root *tree_root;
         struct btrfs_root *dev_root;
-        struct btrfs_key last_insert;
+        struct btrfs_block_group_cache *block_group_cache;
         struct radix_tree_root fs_roots_radix;
         struct radix_tree_root pending_del_radix;
         struct radix_tree_root pinned_radix;