target: use bvec_set_page to initialize bvecs

Use the bvec_set_page helper to initialize bvecs.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20230203150634.3199647-6-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/target/target_core_file.c

@@ -281,10 +281,8 @@ fd_execute_rw_aio(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,
 		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 
 	for_each_sg(sgl, sg, sgl_nents, i) {
-		aio_cmd->bvecs[i].bv_page = sg_page(sg);
-		aio_cmd->bvecs[i].bv_len = sg->length;
-		aio_cmd->bvecs[i].bv_offset = sg->offset;
-
+		bvec_set_page(&aio_cmd->bvecs[i], sg_page(sg), sg->length,
+			      sg->offset);
 		len += sg->length;
 	}
 
@@ -329,10 +327,7 @@ static int fd_do_rw(struct se_cmd *cmd, struct file *fd,
 	}
 
 	for_each_sg(sgl, sg, sgl_nents, i) {
-		bvec[i].bv_page = sg_page(sg);
-		bvec[i].bv_len = sg->length;
-		bvec[i].bv_offset = sg->offset;
-
+		bvec_set_page(&bvec[i], sg_page(sg), sg->length, sg->offset);
 		len += sg->length;
 	}
 
@@ -465,10 +460,9 @@ fd_execute_write_same(struct se_cmd *cmd)
 		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
 
 	for (i = 0; i < nolb; i++) {
-		bvec[i].bv_page = sg_page(&cmd->t_data_sg[0]);
-		bvec[i].bv_len = cmd->t_data_sg[0].length;
-		bvec[i].bv_offset = cmd->t_data_sg[0].offset;
-
+		bvec_set_page(&bvec[i], sg_page(&cmd->t_data_sg[0]),
+			      cmd->t_data_sg[0].length,
+			      cmd->t_data_sg[0].offset);
 		len += se_dev->dev_attrib.block_size;
 	}