Staging: hv: Remove WORKQUEUE typedef

WORKQUEUE was a wrapper around struct workqueue_struct so just use
that instead.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/ChannelMgmt.h

@@ -64,7 +64,7 @@ typedef struct _VMBUS_CHANNEL {
 	RING_BUFFER_INFO			Outbound;	/* send to parent */
 	RING_BUFFER_INFO			Inbound;	/* receive from parent */
 	spinlock_t inbound_lock;
-	HANDLE						ControlWQ;
+	struct workqueue_struct *ControlWQ;
 
 	/* Channel callback are invoked in this workqueue context */
 	/* HANDLE						dataWorkQueue; */

drivers/staging/hv/VmbusPrivate.h

@@ -93,7 +93,7 @@ struct VMBUS_CONNECTION {
 	LIST_ENTRY							ChannelList;
 	spinlock_t channel_lock;
 
-	HANDLE								WorkQueue;
+	struct workqueue_struct *WorkQueue;
 };
 
 

drivers/staging/hv/include/osd.h

@@ -143,9 +143,11 @@ void* PageMapVirtualAddress(unsigned long Pfn);
 void PageUnmapVirtualAddress(void* VirtAddr);
 
 
-extern HANDLE WorkQueueCreate(char* name);
-extern void WorkQueueClose(HANDLE hWorkQueue);
-extern int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context);
+extern struct workqueue_struct *WorkQueueCreate(char* name);
+extern void WorkQueueClose(struct workqueue_struct *hWorkQueue);
+extern int WorkQueueQueueWorkItem(struct workqueue_struct *hWorkQueue,
+				  PFN_WORKITEM_CALLBACK workItem,
+				  void *context);
 
 extern void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context);
 

drivers/staging/hv/osd.c

@@ -61,10 +61,6 @@ typedef struct _WAITEVENT {
 	wait_queue_head_t event;
 } WAITEVENT;
 
-typedef struct _WORKQUEUE {
-	struct workqueue_struct *queue;
-} WORKQUEUE;
-
 typedef struct _WORKITEM {
 	struct work_struct work;
 	PFN_WORKITEM_CALLBACK callback;
@@ -303,31 +299,25 @@ void WorkItemCallback(struct work_struct *work)
 	kfree(w);
 }
 
-HANDLE WorkQueueCreate(char* name)
+struct workqueue_struct *WorkQueueCreate(char *name)
 {
-	WORKQUEUE *wq = kmalloc(sizeof(WORKQUEUE), GFP_KERNEL);
-	if (!wq)
-	{
+	struct workqueue_struct *wq;
+	wq = create_workqueue(name);
+	if (unlikely(!wq))
 		return NULL;
-	}
-	wq->queue = create_workqueue(name);
-
 	return wq;
 }
 
-void WorkQueueClose(HANDLE hWorkQueue)
+void WorkQueueClose(struct workqueue_struct *hWorkQueue)
 {
-	WORKQUEUE *wq = (WORKQUEUE *)hWorkQueue;
-
-	destroy_workqueue(wq->queue);
-
+	destroy_workqueue(hWorkQueue);
 	return;
 }
 
-int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, void* context)
+int WorkQueueQueueWorkItem(struct workqueue_struct *hWorkQueue,
+			   PFN_WORKITEM_CALLBACK workItem,
+			   void* context)
 {
-	WORKQUEUE *wq = (WORKQUEUE *)hWorkQueue;
-
 	WORKITEM* w = kmalloc(sizeof(WORKITEM), GFP_ATOMIC);
 	if (!w)
 	{
@@ -337,7 +327,7 @@ int WorkQueueQueueWorkItem(HANDLE hWorkQueue, PFN_WORKITEM_CALLBACK workItem, vo
 	w->callback = workItem,
 	w->context = context;
 	INIT_WORK(&w->work, WorkItemCallback);
-	return queue_work(wq->queue, &w->work);
+	return queue_work(hWorkQueue, &w->work);
 }
 
 void QueueWorkItem(PFN_WORKITEM_CALLBACK workItem, void* context)