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path: root/drivers/nvme/target/loop.c
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Diffstat (limited to 'drivers/nvme/target/loop.c')
-rw-r--r--drivers/nvme/target/loop.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index a350765d2d5c..27a8561c0cb9 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -149,14 +149,6 @@ nvme_loop_timeout(struct request *rq, bool reserved)
return BLK_EH_HANDLED;
}
-static inline blk_status_t nvme_loop_is_ready(struct nvme_loop_queue *queue,
- struct request *rq)
-{
- if (unlikely(!test_bit(NVME_LOOP_Q_LIVE, &queue->flags)))
- return nvmf_check_init_req(&queue->ctrl->ctrl, rq);
- return BLK_STS_OK;
-}
-
static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
@@ -166,7 +158,8 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
struct nvme_loop_iod *iod = blk_mq_rq_to_pdu(req);
blk_status_t ret;
- ret = nvme_loop_is_ready(queue, req);
+ ret = nvmf_check_if_ready(&queue->ctrl->ctrl, req,
+ test_bit(NVME_LOOP_Q_LIVE, &queue->flags), true);
if (unlikely(ret))
return ret;
@@ -174,15 +167,12 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
if (ret)
return ret;
+ blk_mq_start_request(req);
iod->cmd.common.flags |= NVME_CMD_SGL_METABUF;
iod->req.port = nvmet_loop_port;
if (!nvmet_req_init(&iod->req, &queue->nvme_cq,
- &queue->nvme_sq, &nvme_loop_ops)) {
- nvme_cleanup_cmd(req);
- blk_mq_start_request(req);
- nvme_loop_queue_response(&iod->req);
+ &queue->nvme_sq, &nvme_loop_ops))
return BLK_STS_OK;
- }
if (blk_rq_payload_bytes(req)) {
iod->sg_table.sgl = iod->first_sgl;
@@ -196,8 +186,6 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx,
iod->req.transfer_len = blk_rq_payload_bytes(req);
}
- blk_mq_start_request(req);
-
schedule_work(&iod->work);
return BLK_STS_OK;
}
@@ -481,6 +469,12 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work)
nvme_stop_ctrl(&ctrl->ctrl);
nvme_loop_shutdown_ctrl(ctrl);
+ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) {
+ /* state change failure should never happen */
+ WARN_ON_ONCE(1);
+ return;
+ }
+
ret = nvme_loop_configure_admin_queue(ctrl);
if (ret)
goto out_disable;