nvme-loop: get rid of unused controller lock

Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index db8ebad..1f5bd3c 100644 (file)
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c
@@ -45,7 +45,6 @@ struct nvme_loop_iod {
 };
 
 struct nvme_loop_ctrl {
-       spinlock_t              lock;
        struct nvme_loop_queue  *queues;
        u32                     queue_count;
 
@@ -635,8 +634,6 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev,
        if (ret)
                goto out_put_ctrl;
 
-       spin_lock_init(&ctrl->lock);
-
        ret = -ENOMEM;
 
        ctrl->ctrl.sqsize = opts->queue_size - 1;