On Tue, Jul 23, 2019 at 02:26:47PM +0900, Yoshihiro Shimoda wrote: > This patch adds a helper function whether a queue can merge > the segments by the DMA MAP layer (e.g. via IOMMU). > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>