static int mailbox_abort_cache(struct mailbox *mailbox)
{
    if (!mailbox->caches.count)
        return 0;

    /* XXX - we need offsets into each file to use
       mappedfile_truncate */

    return 0;
}
static int mailbox_abort_cache(struct mailbox *mailbox)
{
    if (!mailbox->caches.count)
        return 0;

     

    return 0;
}