Btrfs: Replace extent tree preallocation code with some bit radix magic.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 8b2714e65562..65a395eeca91 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -39,6 +39,8 @@ struct btrfs_trans_handle {
         unsigned long blocks_used;
         struct btrfs_transaction *transaction;
         struct btrfs_block_group_cache *block_group;
+        u64 alloc_exclude_start;
+        u64 alloc_exclude_nr;
 };