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Date: Wed, 23 Oct 2019 20:34:34 +0000
From: Chaitanya Kulkarni <Chaitanya.Kulkarni@....com>
To: Logan Gunthorpe <logang@...tatee.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>
CC: Christoph Hellwig <hch@....de>, Sagi Grimberg <sagi@...mberg.me>,
Max Gurtovoy <maxg@...lanox.com>,
Stephen Bates <sbates@...thlin.com>
Subject: Re: [PATCH 7/7] nvmet: Open code nvmet_req_execute()
It doesn't hurt to keep that function, makes code easier to
read and search since it has been used in different places.
Anyways, looks good.
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@....com>
On 10/23/2019 09:36 AM, Logan Gunthorpe wrote:
> 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);
>
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