nvme-rdma: Don't flush delete_wq by default during remove_one
The .remove_one function is called for any ib_device removal.
In case the removed device has no reference in our driver, there
is no need to flush the work queue.
Reviewed-by: Israel Rukshin <israelr@mellanox.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index f5f460b..250b277 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -2024,6 +2024,20 @@ static struct nvmf_transport_ops nvme_rdma_transport = {
static void nvme_rdma_remove_one(struct ib_device *ib_device, void *client_data)
{
struct nvme_rdma_ctrl *ctrl;
+ struct nvme_rdma_device *ndev;
+ bool found = false;
+
+ mutex_lock(&device_list_mutex);
+ list_for_each_entry(ndev, &device_list, entry) {
+ if (ndev->dev == ib_device) {
+ found = true;
+ break;
+ }
+ }
+ mutex_unlock(&device_list_mutex);
+
+ if (!found)
+ return;
/* Delete all controllers using this device */
mutex_lock(&nvme_rdma_ctrl_mutex);