diff options
Diffstat (limited to 'drivers/nvme/target/rdma.c')
| -rw-r--r-- | drivers/nvme/target/rdma.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 38d1f292ecc2..1deb4043e242 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -1819,12 +1819,36 @@ restart: mutex_unlock(&nvmet_rdma_queue_mutex); } +static void nvmet_rdma_destroy_port_queues(struct nvmet_rdma_port *port) +{ + struct nvmet_rdma_queue *queue, *tmp; + struct nvmet_port *nport = port->nport; + + mutex_lock(&nvmet_rdma_queue_mutex); + list_for_each_entry_safe(queue, tmp, &nvmet_rdma_queue_list, + queue_list) { + if (queue->port != nport) + continue; + + list_del_init(&queue->queue_list); + __nvmet_rdma_queue_disconnect(queue); + } + mutex_unlock(&nvmet_rdma_queue_mutex); +} + static void nvmet_rdma_disable_port(struct nvmet_rdma_port *port) { struct rdma_cm_id *cm_id = xchg(&port->cm_id, NULL); if (cm_id) rdma_destroy_id(cm_id); + + /* + * Destroy the remaining queues, which are not belong to any + * controller yet. Do it here after the RDMA-CM was destroyed + * guarantees that no new queue will be created. + */ + nvmet_rdma_destroy_port_queues(port); } static int nvmet_rdma_enable_port(struct nvmet_rdma_port *port) @@ -1976,6 +2000,11 @@ static u8 nvmet_rdma_get_mdts(const struct nvmet_ctrl *ctrl) return NVMET_RDMA_MAX_MDTS; } +static u16 nvmet_rdma_get_max_queue_size(const struct nvmet_ctrl *ctrl) +{ + return NVME_RDMA_MAX_QUEUE_SIZE; +} + static const struct nvmet_fabrics_ops nvmet_rdma_ops = { .owner = THIS_MODULE, .type = NVMF_TRTYPE_RDMA, @@ -1987,6 +2016,7 @@ static const struct nvmet_fabrics_ops nvmet_rdma_ops = { .delete_ctrl = nvmet_rdma_delete_ctrl, .disc_traddr = nvmet_rdma_disc_port_addr, .get_mdts = nvmet_rdma_get_mdts, + .get_max_queue_size = nvmet_rdma_get_max_queue_size, }; static void nvmet_rdma_remove_one(struct ib_device *ib_device, void *client_data) |