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Commit 48328518 authored by Keith Busch's avatar Keith Busch
Browse files

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: default avatarKeith Busch <keith.busch@intel.com>
parent 9ac16938

drivers/block/nvme-core.c

+0 −8
Original line number Diff line number Diff line
@@ -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);