Re: [PATCH v8 4/5] block: add a helper function to merge the segments

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 > Reviewed-by: Christoph Hellwig Reviewed-by: Simon Horman __

[PATCH v8 4/5] block: add a helper function to merge the segments

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 Reviewed-by: Christoph Hellwig --- block/blk-settings.c | 22 ++ include/linux/blkdev.h | 2 ++ 2 files changed, 24 insertions(