dm_deferred_set_add_work
EXPORT_SYMBOL_GPL(dm_deferred_set_add_work);
int dm_deferred_set_add_work(struct dm_deferred_set *ds, struct list_head *work);
if (!dm_deferred_set_add_work(pool->shared_read_ds, &m->list))
if (!dm_deferred_set_add_work(pool->all_io_ds, &m->list))
if (!dm_deferred_set_add_work(pool->all_io_ds, &m->list))