From 5ff4e11264780ce49a9acb66e0b4c5a30a569be4 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Tue, 25 Feb 2020 16:43:23 -0800 Subject: [PATCH] nvme-tcp: move send failure to nvme_tcp_try_send Consolidate the request failure handling code to where it is being fetched (nvme_tcp_try_send). Signed-off-by: Sagi Grimberg Signed-off-by: Keith Busch --- drivers/nvme/host/tcp.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 11a7c26..221a5a5 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -1027,8 +1027,15 @@ static int nvme_tcp_try_send(struct nvme_tcp_queue *queue) if (req->state == NVME_TCP_SEND_DDGST) ret = nvme_tcp_try_send_ddgst(req); done: - if (ret == -EAGAIN) + if (ret == -EAGAIN) { ret = 0; + } else if (ret < 0) { + dev_err(queue->ctrl->ctrl.device, + "failed to send request %d\n", ret); + if (ret != -EPIPE && ret != -ECONNRESET) + nvme_tcp_fail_request(queue->request); + nvme_tcp_done_send_req(queue); + } return ret; } @@ -1059,21 +1066,10 @@ static void nvme_tcp_io_work(struct work_struct *w) int result; result = nvme_tcp_try_send(queue); - if (result > 0) { + if (result > 0) pending = true; - } else if (unlikely(result < 0)) { - dev_err(queue->ctrl->ctrl.device, - "failed to send request %d\n", result); - - /* - * Fail the request unless peer closed the connection, - * in which case error recovery flow will complete all. - */ - if ((result != -EPIPE) && (result != -ECONNRESET)) - nvme_tcp_fail_request(queue->request); - nvme_tcp_done_send_req(queue); - return; - } + else if (unlikely(result < 0)) + break; result = nvme_tcp_try_recv(queue); if (result > 0) -- 2.7.4