On Wed, Apr 23, 2025 at 11:12:59AM +0300, Leon Romanovsky wrote: > From: Christoph Hellwig <hch@xxxxxx> > > Add helper that allows a driver to skip calling dma_unmap_* > if the DMA layer can guarantee that they are no-nops. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Tested-by: Jens Axboe <axboe@xxxxxxxxx> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx> Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Luis