struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root)
 {
-       return start_transaction(root, 0, TRANS_JOIN, 0);
+       return start_transaction(root, 0, TRANS_JOIN,
+                                BTRFS_RESERVE_NO_FLUSH);
 }
 
 struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root)
 {
-       return start_transaction(root, 0, TRANS_JOIN_NOLOCK, 0);
+       return start_transaction(root, 0, TRANS_JOIN_NOLOCK,
+                                BTRFS_RESERVE_NO_FLUSH);
 }
 
 struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *root)
 {
-       return start_transaction(root, 0, TRANS_USERSPACE, 0);
+       return start_transaction(root, 0, TRANS_USERSPACE,
+                                BTRFS_RESERVE_NO_FLUSH);
 }
 
 /*
  */
 struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root)
 {
-       return start_transaction(root, 0, TRANS_ATTACH, 0);
+       return start_transaction(root, 0, TRANS_ATTACH,
+                                BTRFS_RESERVE_NO_FLUSH);
 }
 
 /*
 {
        struct btrfs_trans_handle *trans;
 
-       trans = start_transaction(root, 0, TRANS_ATTACH, 0);
+       trans = start_transaction(root, 0, TRANS_ATTACH,
+                                 BTRFS_RESERVE_NO_FLUSH);
        if (IS_ERR(trans) && PTR_ERR(trans) == -ENOENT)
                btrfs_wait_for_commit(root, 0);