From e5ea42faa773c6a6bb5d9e9f5c2cc808940b5a55 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Wed, 22 Sep 2021 08:35:25 +0200 Subject: [PATCH] nvme: display correct subsystem NQN With discovery controllers supporting unique subsystem NQNs the actual subsystem NQN might be different from that one passed in via the connect args. So add a helper to display the resulting subsystem NQN. Signed-off-by: Hannes Reinecke Reviewed-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig --- drivers/nvme/host/core.c | 2 +- drivers/nvme/host/fabrics.h | 7 +++++++ drivers/nvme/host/fc.c | 2 +- drivers/nvme/host/rdma.c | 2 +- drivers/nvme/host/tcp.c | 2 +- 5 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index fd856eec0912..3825b596ca16 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -222,7 +222,7 @@ int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) static void nvme_do_delete_ctrl(struct nvme_ctrl *ctrl) { dev_info(ctrl->device, - "Removing ctrl: NQN \"%s\"\n", ctrl->opts->subsysnqn); + "Removing ctrl: NQN \"%s\"\n", nvmf_ctrl_subsysnqn(ctrl)); flush_work(&ctrl->reset_work); nvme_stop_ctrl(ctrl); diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index b61b666e10ec..c3203ff1c654 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -179,6 +179,13 @@ nvmf_ctlr_matches_baseopts(struct nvme_ctrl *ctrl, return true; } +static inline char *nvmf_ctrl_subsysnqn(struct nvme_ctrl *ctrl) +{ + if (!ctrl->subsys) + return ctrl->opts->subsysnqn; + return ctrl->subsys->subnqn; +} + int nvmf_reg_read32(struct nvme_ctrl *ctrl, u32 off, u32 *val); int nvmf_reg_read64(struct nvme_ctrl *ctrl, u32 off, u64 *val); int nvmf_reg_write32(struct nvme_ctrl *ctrl, u32 off, u32 val); diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 34f7a7c236bf..be9892894849 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -3596,7 +3596,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, dev_info(ctrl->ctrl.device, "NVME-FC{%d}: new ctrl: NQN \"%s\"\n", - ctrl->cnum, ctrl->ctrl.opts->subsysnqn); + ctrl->cnum, nvmf_ctrl_subsysnqn(&ctrl->ctrl)); return &ctrl->ctrl; diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 027ee57cbdb0..5ba386f00c3f 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -2393,7 +2393,7 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev, goto out_uninit_ctrl; dev_info(ctrl->ctrl.device, "new ctrl: NQN \"%s\", addr %pISpcs\n", - ctrl->ctrl.opts->subsysnqn, &ctrl->addr); + nvmf_ctrl_subsysnqn(&ctrl->ctrl), &ctrl->addr); mutex_lock(&nvme_rdma_ctrl_mutex); list_add_tail(&ctrl->list, &nvme_rdma_ctrl_list); diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 9ce3458ee1dd..07156ea9d1a8 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -2582,7 +2582,7 @@ static struct nvme_ctrl *nvme_tcp_create_ctrl(struct device *dev, goto out_uninit_ctrl; dev_info(ctrl->ctrl.device, "new ctrl: NQN \"%s\", addr %pISp\n", - ctrl->ctrl.opts->subsysnqn, &ctrl->addr); + nvmf_ctrl_subsysnqn(&ctrl->ctrl), &ctrl->addr); mutex_lock(&nvme_tcp_ctrl_mutex); list_add_tail(&ctrl->list, &nvme_tcp_ctrl_list);