NVMe: Remove unused variables
We don't track queues in a llist, subscribe to hot-cpu notifications, or internally retry commands. Delete the unused artifacts. Signed-off-by: Keith Busch <keith.busch@intel.com>
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@ -49,7 +49,6 @@
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#define CQ_SIZE(depth) (depth * sizeof(struct nvme_completion))
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#define ADMIN_TIMEOUT (admin_timeout * HZ)
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#define SHUTDOWN_TIMEOUT (shutdown_timeout * HZ)
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#define IOD_TIMEOUT (retry_time * HZ)
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static unsigned char admin_timeout = 60;
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module_param(admin_timeout, byte, 0644);
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@ -59,10 +58,6 @@ unsigned char nvme_io_timeout = 30;
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module_param_named(io_timeout, nvme_io_timeout, byte, 0644);
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MODULE_PARM_DESC(io_timeout, "timeout in seconds for I/O");
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static unsigned char retry_time = 30;
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module_param(retry_time, byte, 0644);
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MODULE_PARM_DESC(retry_time, "time in seconds to retry failed I/O");
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static unsigned char shutdown_timeout = 5;
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module_param(shutdown_timeout, byte, 0644);
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MODULE_PARM_DESC(shutdown_timeout, "timeout in seconds for controller shutdown");
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@ -81,7 +76,6 @@ static LIST_HEAD(dev_list);
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static struct task_struct *nvme_thread;
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static struct workqueue_struct *nvme_workq;
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static wait_queue_head_t nvme_kthread_wait;
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static struct notifier_block nvme_nb;
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static struct class *nvme_class;
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@ -102,7 +96,6 @@ struct async_cmd_info {
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* commands and one for I/O commands).
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*/
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struct nvme_queue {
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struct llist_node node;
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struct device *q_dmadev;
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struct nvme_dev *dev;
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char irqname[24]; /* nvme4294967295-65535\0 */
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@ -3203,7 +3196,6 @@ static int __init nvme_init(void)
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static void __exit nvme_exit(void)
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{
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pci_unregister_driver(&nvme_driver);
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unregister_hotcpu_notifier(&nvme_nb);
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unregister_blkdev(nvme_major, "nvme");
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destroy_workqueue(nvme_workq);
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class_destroy(nvme_class);
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