[PATCH v6 14/16] block-dma: migrate to dma_map_phys instead of map_page

Leon Romanovsky
2025-09-09T13:29:09Z

After introduction of dma_map_phys(), there is no need to convert
from physical address to struct page in order to map page. So let's
use it directly.

Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
block/blk-mq-dma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-mq-dma.c b/block/blk-mq-dma.c
index ad283017caef2..37e2142be4f7d 100644
--- a/block/blk-mq-dma.c
+++ b/block/blk-mq-dma.c
@@ -87,8 +87,8 @@ static bool blk_dma_map_bus(struct blk_dma_iter *iter, struct phys_vec *vec)
static bool blk_dma_map_direct(struct request *req, struct device *dma_dev,
struct blk_dma_iter *iter, struct phys_vec *vec)
{
- iter->addr = dma_map_page(dma_dev, phys_to_page(vec->paddr),
- offset_in_page(vec->paddr), vec->len, rq_dma_dir(req));
+ iter->addr = dma_map_phys(dma_dev, vec->paddr, vec->len,
+ rq_dma_dir(req), 0);
if (dma_mapping_error(dma_dev, iter->addr)) {
iter->status = BLK_STS_RESOURCE;
return false;
--
2.51.0