drm/i915: Rename request->list to link for consistency

We use "list" to denote the list and "link" to denote an element on that
list. Rename request->list to match this idiom.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1470293567-10811-14-git-send-email-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/i915_debugfs.c

@@ -746,13 +746,13 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
 		int count;
 
 		count = 0;
-		list_for_each_entry(req, &engine->request_list, list)
+		list_for_each_entry(req, &engine->request_list, link)
 			count++;
 		if (count == 0)
 			continue;
 
 		seq_printf(m, "%s requests: %d\n", engine->name, count);
-		list_for_each_entry(req, &engine->request_list, list) {
+		list_for_each_entry(req, &engine->request_list, link) {
 			struct task_struct *task;
 
 			rcu_read_lock();

drivers/gpu/drm/i915/i915_gem.c

@@ -2475,7 +2475,7 @@ i915_gem_find_active_request(struct intel_engine_cs *engine)
 	 * extra delay for a recent interrupt is pointless. Hence, we do
 	 * not need an engine->irq_seqno_barrier() before the seqno reads.
 	 */
-	list_for_each_entry(request, &engine->request_list, list) {
+	list_for_each_entry(request, &engine->request_list, link) {
 		if (i915_gem_request_completed(request))
 			continue;
 
@@ -2497,7 +2497,7 @@ static void i915_gem_reset_engine_status(struct intel_engine_cs *engine)
 	ring_hung = engine->hangcheck.score >= HANGCHECK_SCORE_RING_HUNG;
 
 	i915_set_reset_status(request->ctx, ring_hung);
-	list_for_each_entry_continue(request, &engine->request_list, list)
+	list_for_each_entry_continue(request, &engine->request_list, link)
 		i915_set_reset_status(request->ctx, false);
 }
 
@@ -2546,7 +2546,7 @@ static void i915_gem_reset_engine_cleanup(struct intel_engine_cs *engine)
 
 		request = list_last_entry(&engine->request_list,
 					  struct drm_i915_gem_request,
-					  list);
+					  link);
 
 		i915_gem_request_retire_upto(request);
 	}
@@ -2609,7 +2609,7 @@ i915_gem_retire_requests_ring(struct intel_engine_cs *engine)
 
 		request = list_first_entry(&engine->request_list,
 					   struct drm_i915_gem_request,
-					   list);
+					   link);
 
 		if (!i915_gem_request_completed(request))
 			break;
@@ -2629,7 +2629,7 @@ i915_gem_retire_requests_ring(struct intel_engine_cs *engine)
 				       engine_list[engine->id]);
 
 		if (!list_empty(&i915_gem_active_peek(&obj->last_read[engine->id],
-						      &obj->base.dev->struct_mutex)->list))
+						      &obj->base.dev->struct_mutex)->link))
 			break;
 
 		i915_gem_object_retire__read(obj, engine->id);

drivers/gpu/drm/i915/i915_gem_request.c

@@ -160,7 +160,7 @@ i915_gem_request_remove_from_client(struct drm_i915_gem_request *request)
 static void i915_gem_request_retire(struct drm_i915_gem_request *request)
 {
 	trace_i915_gem_request_retire(request);
-	list_del_init(&request->list);
+	list_del_init(&request->link);
 
 	/* We know the GPU must have read the request to have
 	 * sent us the seqno + interrupt, so use the position
@@ -191,12 +191,12 @@ void i915_gem_request_retire_upto(struct drm_i915_gem_request *req)
 
 	lockdep_assert_held(&req->i915->drm.struct_mutex);
 
-	if (list_empty(&req->list))
+	if (list_empty(&req->link))
 		return;
 
 	do {
 		tmp = list_first_entry(&engine->request_list,
-				       typeof(*tmp), list);
+				       typeof(*tmp), link);
 
 		i915_gem_request_retire(tmp);
 	} while (tmp != req);
@@ -317,7 +317,7 @@ i915_gem_request_alloc(struct intel_engine_cs *engine,
 
 	/* Move the oldest request to the slab-cache (if not in use!) */
 	req = list_first_entry_or_null(&engine->request_list,
-				       typeof(*req), list);
+				       typeof(*req), link);
 	if (req && i915_gem_request_completed(req))
 		i915_gem_request_retire(req);
 
@@ -450,7 +450,7 @@ void __i915_add_request(struct drm_i915_gem_request *request,
 	request->emitted_jiffies = jiffies;
 	request->previous_seqno = engine->last_submitted_seqno;
 	smp_store_mb(engine->last_submitted_seqno, request->fence.seqno);
-	list_add_tail(&request->list, &engine->request_list);
+	list_add_tail(&request->link, &engine->request_list);
 
 	/* Record the position of the start of the request so that
 	 * should we detect the updated seqno part-way through the
@@ -570,7 +570,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
 
 	might_sleep();
 
-	if (list_empty(&req->list))
+	if (list_empty(&req->link))
 		return 0;
 
 	if (i915_gem_request_completed(req))

drivers/gpu/drm/i915/i915_gem_request.h

@@ -105,8 +105,8 @@ struct drm_i915_gem_request {
 	/** Time at which this request was emitted, in jiffies. */
 	unsigned long emitted_jiffies;
 
-	/** global list entry for this request */
-	struct list_head list;
+	/** engine->request_list entry for this request */
+	struct list_head link;
 
 	struct drm_i915_file_private *file_priv;
 	/** file_priv list entry for this request */

drivers/gpu/drm/i915/i915_gpu_error.c

@@ -1168,7 +1168,7 @@ static void i915_gem_record_rings(struct drm_i915_private *dev_priv,
 		i915_gem_record_active_context(engine, error, ee);
 
 		count = 0;
-		list_for_each_entry(request, &engine->request_list, list)
+		list_for_each_entry(request, &engine->request_list, link)
 			count++;
 
 		ee->num_requests = count;
@@ -1180,7 +1180,7 @@ static void i915_gem_record_rings(struct drm_i915_private *dev_priv,
 		}
 
 		count = 0;
-		list_for_each_entry(request, &engine->request_list, list) {
+		list_for_each_entry(request, &engine->request_list, link) {
 			struct drm_i915_error_request *erq;
 
 			if (count >= ee->num_requests) {

drivers/gpu/drm/i915/intel_ringbuffer.c

@@ -2235,7 +2235,7 @@ int intel_engine_idle(struct intel_engine_cs *engine)
 
 	req = list_entry(engine->request_list.prev,
 			 struct drm_i915_gem_request,
-			 list);
+			 link);
 
 	/* Make sure we do not trigger any retires */
 	return __i915_wait_request(req,
@@ -2284,7 +2284,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
 	 */
 	GEM_BUG_ON(!req->reserved_space);
 
-	list_for_each_entry(target, &engine->request_list, list) {
+	list_for_each_entry(target, &engine->request_list, link) {
 		unsigned space;
 
 		/*
@@ -2302,7 +2302,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes)
 			break;
 	}
 
-	if (WARN_ON(&target->list == &engine->request_list))
+	if (WARN_ON(&target->link == &engine->request_list))
 		return -ENOSPC;
 
 	return i915_wait_request(target);