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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>
hifive-unleashed-5.1
Keith Busch 2015-02-19 14:01:59 -07:00
parent 9ac16938ab
commit 4832851840
1 changed files with 0 additions and 8 deletions
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8
drivers/block/nvme-core.c
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@ -49,7 +49,6 @@
#define CQ_SIZE(depth) (depth * sizeof(struct nvme_completion))
#define ADMIN_TIMEOUT (admin_timeout * HZ)
#define SHUTDOWN_TIMEOUT (shutdown_timeout * HZ)
#define IOD_TIMEOUT (retry_time * HZ)
static unsigned char admin_timeout = 60;
module_param(admin_timeout, byte, 0644);
@ -59,10 +58,6 @@ unsigned char nvme_io_timeout = 30;
module_param_named(io_timeout, nvme_io_timeout, byte, 0644);
MODULE_PARM_DESC(io_timeout, "timeout in seconds for I/O");
static unsigned char retry_time = 30;
module_param(retry_time, byte, 0644);
MODULE_PARM_DESC(retry_time, "time in seconds to retry failed I/O");
static unsigned char shutdown_timeout = 5;
module_param(shutdown_timeout, byte, 0644);
MODULE_PARM_DESC(shutdown_timeout, "timeout in seconds for controller shutdown");
@ -81,7 +76,6 @@ static LIST_HEAD(dev_list);
static struct task_struct *nvme_thread;
static struct workqueue_struct *nvme_workq;
static wait_queue_head_t nvme_kthread_wait;
static struct notifier_block nvme_nb;
static struct class *nvme_class;
@ -102,7 +96,6 @@ struct async_cmd_info {
* commands and one for I/O commands).
*/
struct nvme_queue {
struct llist_node node;
struct device *q_dmadev;
struct nvme_dev *dev;
char irqname[24]; /* nvme4294967295-65535\0 */
@ -3203,7 +3196,6 @@ static int __init nvme_init(void)
static void __exit nvme_exit(void)
{
pci_unregister_driver(&nvme_driver);
unregister_hotcpu_notifier(&nvme_nb);
unregister_blkdev(nvme_major, "nvme");
destroy_workqueue(nvme_workq);
class_destroy(nvme_class);