diff options
Diffstat (limited to 'drivers/nvme/host/tcp.c')
-rw-r--r-- | drivers/nvme/host/tcp.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 9b47dcb2a7d9..8cedc1ef496c 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -301,7 +301,7 @@ static inline void nvme_tcp_advance_req(struct nvme_tcp_request *req, if (!iov_iter_count(&req->iter) && req->data_sent < req->data_len) { req->curr_bio = req->curr_bio->bi_next; - nvme_tcp_init_iter(req, WRITE); + nvme_tcp_init_iter(req, ITER_SOURCE); } } @@ -781,7 +781,7 @@ static int nvme_tcp_recv_data(struct nvme_tcp_queue *queue, struct sk_buff *skb, nvme_tcp_init_recv_ctx(queue); return -EIO; } - nvme_tcp_init_iter(req, READ); + nvme_tcp_init_iter(req, ITER_DEST); } /* we can read only from what is left in this bio */ @@ -1537,6 +1537,7 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, int qid) queue->sock->sk->sk_rcvtimeo = 10 * HZ; queue->sock->sk->sk_allocation = GFP_ATOMIC; + queue->sock->sk->sk_use_task_frag = false; nvme_tcp_set_queue_io_cpu(queue); queue->request = NULL; queue->data_remaining = 0; @@ -1867,7 +1868,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) if (new) { ret = nvme_alloc_io_tag_set(ctrl, &to_tcp_ctrl(ctrl)->tag_set, &nvme_tcp_mq_ops, - BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_BLOCKING, + ctrl->opts->nr_poll_queues ? HCTX_MAX_TYPES : 2, sizeof(struct nvme_tcp_request)); if (ret) goto out_free_io_queues; @@ -1884,7 +1885,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) goto out_cleanup_connect_q; if (!new) { - nvme_start_queues(ctrl); + nvme_unquiesce_io_queues(ctrl); if (!nvme_wait_freeze_timeout(ctrl, NVME_IO_TIMEOUT)) { /* * If we timed out waiting for freeze we are likely to @@ -1911,7 +1912,7 @@ static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new) return 0; out_wait_freeze_timed_out: - nvme_stop_queues(ctrl); + nvme_quiesce_io_queues(ctrl); nvme_sync_io_queues(ctrl); nvme_tcp_stop_io_queues(ctrl); out_cleanup_connect_q: @@ -1942,7 +1943,7 @@ static int nvme_tcp_configure_admin_queue(struct nvme_ctrl *ctrl, bool new) if (new) { error = nvme_alloc_admin_tag_set(ctrl, &to_tcp_ctrl(ctrl)->admin_tag_set, - &nvme_tcp_admin_mq_ops, BLK_MQ_F_BLOCKING, + &nvme_tcp_admin_mq_ops, sizeof(struct nvme_tcp_request)); if (error) goto out_free_queue; @@ -1956,16 +1957,16 @@ static int nvme_tcp_configure_admin_queue(struct nvme_ctrl *ctrl, bool new) if (error) goto out_stop_queue; - nvme_start_admin_queue(ctrl); + nvme_unquiesce_admin_queue(ctrl); - error = nvme_init_ctrl_finish(ctrl); + error = nvme_init_ctrl_finish(ctrl, false); if (error) goto out_quiesce_queue; return 0; out_quiesce_queue: - nvme_stop_admin_queue(ctrl); + nvme_quiesce_admin_queue(ctrl); blk_sync_queue(ctrl->admin_q); out_stop_queue: nvme_tcp_stop_queue(ctrl, 0); @@ -1981,12 +1982,12 @@ out_free_queue: static void nvme_tcp_teardown_admin_queue(struct nvme_ctrl *ctrl, bool remove) { - nvme_stop_admin_queue(ctrl); + nvme_quiesce_admin_queue(ctrl); blk_sync_queue(ctrl->admin_q); nvme_tcp_stop_queue(ctrl, 0); nvme_cancel_admin_tagset(ctrl); if (remove) - nvme_start_admin_queue(ctrl); + nvme_unquiesce_admin_queue(ctrl); nvme_tcp_destroy_admin_queue(ctrl, remove); } @@ -1995,14 +1996,14 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl, { if (ctrl->queue_count <= 1) return; - nvme_stop_admin_queue(ctrl); + nvme_quiesce_admin_queue(ctrl); nvme_start_freeze(ctrl); - nvme_stop_queues(ctrl); + nvme_quiesce_io_queues(ctrl); nvme_sync_io_queues(ctrl); nvme_tcp_stop_io_queues(ctrl); nvme_cancel_tagset(ctrl); if (remove) - nvme_start_queues(ctrl); + nvme_unquiesce_io_queues(ctrl); nvme_tcp_destroy_io_queues(ctrl, remove); } @@ -2083,14 +2084,14 @@ static int nvme_tcp_setup_ctrl(struct nvme_ctrl *ctrl, bool new) destroy_io: if (ctrl->queue_count > 1) { - nvme_stop_queues(ctrl); + nvme_quiesce_io_queues(ctrl); nvme_sync_io_queues(ctrl); nvme_tcp_stop_io_queues(ctrl); nvme_cancel_tagset(ctrl); nvme_tcp_destroy_io_queues(ctrl, new); } destroy_admin: - nvme_stop_admin_queue(ctrl); + nvme_quiesce_admin_queue(ctrl); blk_sync_queue(ctrl->admin_q); nvme_tcp_stop_queue(ctrl, 0); nvme_cancel_admin_tagset(ctrl); @@ -2128,14 +2129,14 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work) struct nvme_tcp_ctrl, err_work); struct nvme_ctrl *ctrl = &tcp_ctrl->ctrl; - nvme_auth_stop(ctrl); nvme_stop_keep_alive(ctrl); flush_work(&ctrl->async_event_work); nvme_tcp_teardown_io_queues(ctrl, false); /* unquiesce to fail fast pending requests */ - nvme_start_queues(ctrl); + nvme_unquiesce_io_queues(ctrl); nvme_tcp_teardown_admin_queue(ctrl, false); - nvme_start_admin_queue(ctrl); + nvme_unquiesce_admin_queue(ctrl); + nvme_auth_stop(ctrl); if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING)) { /* state change failure is ok if we started ctrl delete */ @@ -2150,11 +2151,8 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work) static void nvme_tcp_teardown_ctrl(struct nvme_ctrl *ctrl, bool shutdown) { nvme_tcp_teardown_io_queues(ctrl, shutdown); - nvme_stop_admin_queue(ctrl); - if (shutdown) - nvme_shutdown_ctrl(ctrl); - else - nvme_disable_ctrl(ctrl); + nvme_quiesce_admin_queue(ctrl); + nvme_disable_ctrl(ctrl, shutdown); nvme_tcp_teardown_admin_queue(ctrl, shutdown); } @@ -2414,7 +2412,7 @@ static blk_status_t nvme_tcp_queue_rq(struct blk_mq_hw_ctx *hctx, if (unlikely(ret)) return ret; - blk_mq_start_request(rq); + nvme_start_request(rq); nvme_tcp_queue_request(req, true, bd->last); @@ -2523,7 +2521,7 @@ static const struct blk_mq_ops nvme_tcp_admin_mq_ops = { static const struct nvme_ctrl_ops nvme_tcp_ctrl_ops = { .name = "tcp", .module = THIS_MODULE, - .flags = NVME_F_FABRICS, + .flags = NVME_F_FABRICS | NVME_F_BLOCKING, .reg_read32 = nvmf_reg_read32, .reg_read64 = nvmf_reg_read64, .reg_write32 = nvmf_reg_write32, |