vfs_check_frozen(root->fs_info->sb, SB_FREEZE_WRITE);
                mutex_lock(&root->fs_info->cleaner_mutex);
-printk("cleaner awake\n");
                btrfs_clean_old_snapshots(root);
-printk("cleaner done\n");
                mutex_unlock(&root->fs_info->cleaner_mutex);
 
                if (freezing(current)) {
 
                             root->fs_info->btree_inode->i_mapping, GFP_NOFS);
 
        trans->transaction->in_commit = 1;
-printk("trans %Lu in commit\n", trans->transid);
        cur_trans = trans->transaction;
        if (cur_trans->list.prev != &root->fs_info->trans_list) {
                prev_trans = list_entry(cur_trans->list.prev,
        kfree(pinned_copy);
 
        cur_trans->commit_done = 1;
-printk("trans %Lu done in commit\n", cur_trans->transid);
        root->fs_info->last_trans_committed = cur_trans->transid;
        wake_up(&cur_trans->commit_wait);
        put_transaction(cur_trans);