//The quota_log_helper() function applies memory for path through inode_path(), no free.



if (DID_REACH_LIMIT(ctx->soft_lim, ctx->size, cur_size)) {
        quota_log_helper(&usage_str, cur_size, inode, &path, &cur_time);  
        gf_msg(this->name, GF_LOG_ALERT, 0, Q_MSG_CROSSED_SOFT_LIMIT,
               "Usage crossed soft limit: "
               "%s used by %s",
               usage_str, path);

        gf_event(EVENT_QUOTA_CROSSED_SOFT_LIMIT,
                 "Usage=%s;volume=%s;"
                 "path=%s",
                 usage_str, priv->volume_uuid, path);

        ctx->prev_log = cur_time;

    }