linux-kernel - [PATCH 7/7] nvmet: Open code nvmet_req

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Date:   Wed, 23 Oct 2019 10:35:45 -0600
From:   Logan Gunthorpe <logang@...tatee.com>
To:     linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org
Cc:     Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>,
        Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>,
        Max Gurtovoy <maxg@...lanox.com>,
        Stephen Bates <sbates@...thlin.com>,
        Logan Gunthorpe <logang@...tatee.com>
Subject: [PATCH 7/7] nvmet: Open code nvmet_req_execute()

Now that nvmet_req_execute does nothing, open code it.

Signed-off-by: Christoph Hellwig <hch@....de>
[logang@...tatee.com: separated out of a larger draft patch from hch]
Signed-off-by: Logan Gunthorpe <logang@...tatee.com>
---
 drivers/nvme/target/core.c  | 6 ------
 drivers/nvme/target/fc.c    | 4 ++--
 drivers/nvme/target/loop.c  | 2 +-
 drivers/nvme/target/nvmet.h | 1 -
 drivers/nvme/target/rdma.c  | 4 ++--
 drivers/nvme/target/tcp.c   | 6 +++---
 6 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 87fe82ccfa89..f7da0e50beeb 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -942,12 +942,6 @@ bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len)
 }
 EXPORT_SYMBOL_GPL(nvmet_check_data_len);
 
-void nvmet_req_execute(struct nvmet_req *req)
-{
-	req->execute(req);
-}
-EXPORT_SYMBOL_GPL(nvmet_req_execute);
-
 int nvmet_req_alloc_sgl(struct nvmet_req *req)
 {
 	struct pci_dev *p2p_dev = NULL;
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index ce8d819f86cc..7f9c11138b93 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -2015,7 +2015,7 @@ nvmet_fc_fod_op_done(struct nvmet_fc_fcp_iod *fod)
 		}
 
 		/* data transfer complete, resume with nvmet layer */
-		nvmet_req_execute(&fod->req);
+		fod->req.execute(&fod->req);
 		break;
 
 	case NVMET_FCOP_READDATA:
@@ -2231,7 +2231,7 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
 	 * can invoke the nvmet_layer now. If read data, cmd completion will
 	 * push the data
 	 */
-	nvmet_req_execute(&fod->req);
+	fod->req.execute(&fod->req);
 	return;
 
 transport_error:
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index 11f5aea97d1b..f4b878b113f7 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -126,7 +126,7 @@ static void nvme_loop_execute_work(struct work_struct *work)
 	struct nvme_loop_iod *iod =
 		container_of(work, struct nvme_loop_iod, work);
 
-	nvmet_req_execute(&iod->req);
+	iod->req.execute(&iod->req);
 }
 
 static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index ff55f1005b35..46df45e837c9 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -374,7 +374,6 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
 		struct nvmet_sq *sq, const struct nvmet_fabrics_ops *ops);
 void nvmet_req_uninit(struct nvmet_req *req);
 bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len);
-void nvmet_req_execute(struct nvmet_req *req);
 void nvmet_req_complete(struct nvmet_req *req, u16 status);
 int nvmet_req_alloc_sgl(struct nvmet_req *req);
 void nvmet_req_free_sgl(struct nvmet_req *req);
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 36d906a7f70d..248e68da2e13 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -603,7 +603,7 @@ static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc)
 		return;
 	}
 
-	nvmet_req_execute(&rsp->req);
+	rsp->req.execute(&rsp->req);
 }
 
 static void nvmet_rdma_use_inline_sg(struct nvmet_rdma_rsp *rsp, u32 len,
@@ -746,7 +746,7 @@ static bool nvmet_rdma_execute_command(struct nvmet_rdma_rsp *rsp)
 				queue->cm_id->port_num, &rsp->read_cqe, NULL))
 			nvmet_req_complete(&rsp->req, NVME_SC_DATA_XFER_ERROR);
 	} else {
-		nvmet_req_execute(&rsp->req);
+		rsp->req.execute(&rsp->req);
 	}
 
 	return true;
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 3378480c49f6..af674fc0bb1e 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -930,7 +930,7 @@ static int nvmet_tcp_done_recv_pdu(struct nvmet_tcp_queue *queue)
 		goto out;
 	}
 
-	nvmet_req_execute(&queue->cmd->req);
+	queue->cmd->req.execute(&queue->cmd->req);
 out:
 	nvmet_prepare_receive_pdu(queue);
 	return ret;
@@ -1050,7 +1050,7 @@ static int nvmet_tcp_try_recv_data(struct nvmet_tcp_queue *queue)
 			nvmet_tcp_prep_recv_ddgst(cmd);
 			return 0;
 		}
-		nvmet_req_execute(&cmd->req);
+		cmd->req.execute(&cmd->req);
 	}
 
 	nvmet_prepare_receive_pdu(queue);
@@ -1090,7 +1090,7 @@ static int nvmet_tcp_try_recv_ddgst(struct nvmet_tcp_queue *queue)
 
 	if (!(cmd->flags & NVMET_TCP_F_INIT_FAILED) &&
 	    cmd->rbytes_done == cmd->req.transfer_len)
-		nvmet_req_execute(&cmd->req);
+		cmd->req.execute(&cmd->req);
 	ret = 0;
 out:
 	nvmet_prepare_receive_pdu(queue);
-- 
2.20.1