Btrfs: remove device tree

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

1 files changed, 0 insertions, 6 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index a2c5820f1d3d..4f3c8ddcb401 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -150,13 +150,7 @@ int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
         struct btrfs_fs_info *fs_info = root->fs_info;
         struct btrfs_root *tree_root = fs_info->tree_root;
         struct btrfs_root *extent_root = fs_info->extent_root;
-        struct btrfs_root *dev_root = fs_info->dev_root;
 
-        if (btrfs_super_device_root(fs_info->disk_super) !=
-            bh_blocknr(dev_root->node)) {
-                btrfs_set_super_device_root(fs_info->disk_super,
-                                            bh_blocknr(dev_root->node));
-        }
         btrfs_write_dirty_block_groups(trans, extent_root);
         while(1) {
                 old_extent_block = btrfs_root_blocknr(&extent_root->root_item);