[2/3] vhost-scsi: Remove unused write argument

Commit Message

Mike Christie May 24, 2023, 11:34 p.m. UTC

The write arg that's passed to the mapping functions is not used so
remove it.

Signed-off-by: Mike Christie <[e-mail]>
---
 drivers/vhost/scsi.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

Patch

diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index dbad8fb579eb..382158b39740 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -649,10 +649,8 @@  vhost_scsi_get_cmd(struct vhost_virtqueue *vq, struct vhost_scsi_tpg *tpg,
  * Returns the number of scatterlist entries used or -errno on error.
  */
 static int
-vhost_scsi_map_to_sgl(struct vhost_scsi_cmd *cmd,
-		      struct iov_iter *iter,
-		      struct scatterlist *sgl,
-		      bool write)
+vhost_scsi_map_to_sgl(struct vhost_scsi_cmd *cmd, struct iov_iter *iter,
+		      struct scatterlist *sgl)
 {
 	struct page **pages = cmd->tvc_upages;
 	struct scatterlist *sg = sgl;
@@ -696,15 +694,14 @@  vhost_scsi_calc_sgls(struct iov_iter *iter, size_t bytes, int max_sgls)
 }
 
 static int
-vhost_scsi_iov_to_sgl(struct vhost_scsi_cmd *cmd, bool write,
-		      struct iov_iter *iter,
+vhost_scsi_iov_to_sgl(struct vhost_scsi_cmd *cmd, struct iov_iter *iter,
 		      struct scatterlist *sg, int sg_count)
 {
 	struct scatterlist *p = sg;
 	int ret;
 
 	while (iov_iter_count(iter)) {
-		ret = vhost_scsi_map_to_sgl(cmd, iter, sg, write);
+		ret = vhost_scsi_map_to_sgl(cmd, iter, sg);
 		if (ret < 0) {
 			while (p < sg) {
 				struct page *page = sg_page(p++);
@@ -769,7 +766,6 @@  vhost_scsi_mapal(struct vhost_scsi_tpg *tpg, struct vhost_scsi_cmd *cmd,
 		 size_t data_bytes, struct iov_iter *data_iter)
 {
 	int sgl_count, ret;
-	bool write = (cmd->tvc_data_direction == DMA_FROM_DEVICE);
 
 	if (prot_bytes) {
 		sgl_count = vhost_scsi_calc_sgls(prot_iter, prot_bytes,
@@ -782,8 +778,7 @@  vhost_scsi_mapal(struct vhost_scsi_tpg *tpg, struct vhost_scsi_cmd *cmd,
 		pr_debug("%s prot_sg %p prot_sgl_count %u\n", __func__,
 			 cmd->tvc_prot_sgl, cmd->tvc_prot_sgl_count);
 
-		ret = vhost_scsi_iov_to_sgl(cmd, write, prot_iter,
-					    cmd->tvc_prot_sgl,
+		ret = vhost_scsi_iov_to_sgl(cmd, prot_iter, cmd->tvc_prot_sgl,
 					    cmd->tvc_prot_sgl_count);
 		if (ret < 0)
 			goto map_fail;
@@ -813,8 +808,8 @@  vhost_scsi_mapal(struct vhost_scsi_tpg *tpg, struct vhost_scsi_cmd *cmd,
 		ret = vhost_scsi_copy_iov_to_sgl(cmd, data_iter, cmd->tvc_sgl,
 						 cmd->tvc_sgl_count);
 	else
-		ret = vhost_scsi_iov_to_sgl(cmd, write, data_iter,
-					    cmd->tvc_sgl, cmd->tvc_sgl_count);
+		ret = vhost_scsi_iov_to_sgl(cmd, data_iter, cmd->tvc_sgl,
+					    cmd->tvc_sgl_count);
 	if (ret)
 		goto map_fail;