[PATCH 1/2] nvmet-rdma: factor out response resource cleanup

[Shin'ichiro Kawasaki]

Move the RDMA read/write context teardown and the request SGL freeing
out of nvmet_rdma_release_rsp() into a new helper function
nvmet_rdma_free_rsp_resources().

This is a refactoring with no functional change, in preparation for the
following patch that uses nvmet_rdma_free_rsp_resources().

Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki at wdc.com>
---
 drivers/nvme/target/rdma.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index ea1185b8267e..3c34f235e542 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -657,18 +657,25 @@ static void nvmet_rdma_rw_ctx_destroy(struct nvmet_rdma_rsp *rsp)
 				    req->sg, req->sg_cnt, nvmet_data_dir(req));
 }
 
-static void nvmet_rdma_release_rsp(struct nvmet_rdma_rsp *rsp)
+static void nvmet_rdma_free_rsp_resources(struct nvmet_rdma_rsp *rsp)
 {
 	struct nvmet_rdma_queue *queue = rsp->queue;
 
-	atomic_add(1 + rsp->n_rdma, &queue->sq_wr_avail);
-
 	if (rsp->n_rdma)
 		nvmet_rdma_rw_ctx_destroy(rsp);
 
 	if (rsp->req.sg < rsp->cmd->inline_sg ||
 	    rsp->req.sg >= rsp->cmd->inline_sg + queue->dev->inline_page_count)
 		nvmet_req_free_sgls(&rsp->req);
+}
+
+static void nvmet_rdma_release_rsp(struct nvmet_rdma_rsp *rsp)
+{
+	struct nvmet_rdma_queue *queue = rsp->queue;
+
+	atomic_add(1 + rsp->n_rdma, &queue->sq_wr_avail);
+
+	nvmet_rdma_free_rsp_resources(rsp);
 
 	if (unlikely(!list_empty_careful(&queue->rsp_wr_wait_list)))
 		nvmet_rdma_process_wr_wait_list(queue);
-- 
2.54.0