unsigned int src_offset, size_t len,
struct async_submit_ctl *submit);
-struct dma_async_tx_descriptor *
-async_memset(struct page *dest, int val, unsigned int offset,
- size_t len, struct async_submit_ctl *submit);
-
struct dma_async_tx_descriptor *async_trigger_callback(struct async_submit_ctl *submit);
struct dma_async_tx_descriptor *