X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=block%2Fblk-core.c;h=15de223c7f9371a9da852825ea8857789d94ae70;hp=ea70e6c80cd34f0c2b563ceabcc7189027fc5182;hb=72784134ce53b8e40deb8c9981ec52122d9f6208;hpb=f8f5ed7c996ad9426847ce09b828d415cb19bc06

diff --git a/block/blk-core.c b/block/blk-core.c
index ea70e6c80cd3..15de223c7f93 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -366,7 +366,14 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
 		if (drain_all)
 			blk_throtl_drain(q);
 
-		__blk_run_queue(q);
+		/*
+		 * This function might be called on a queue which failed
+		 * driver init after queue creation.  Some drivers
+		 * (e.g. fd) get unhappy in such cases.  Kick queue iff
+		 * dispatch queue has something on it.
+		 */
+		if (!list_empty(&q->queue_head))
+			__blk_run_queue(q);
 
 		if (drain_all)
 			nr_rqs = q->rq.count[0] + q->rq.count[1];
@@ -467,6 +474,7 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id)
 	q->backing_dev_info.state = 0;
 	q->backing_dev_info.capabilities = BDI_CAP_MAP_COPY;
 	q->backing_dev_info.name = "block";
+	q->node = node_id;
 
 	err = bdi_init(&q->backing_dev_info);
 	if (err) {
@@ -551,7 +559,7 @@ blk_init_queue_node(request_fn_proc *rfn, spinlock_t *lock, int node_id)
 	if (!uninit_q)
 		return NULL;
 
-	q = blk_init_allocated_queue_node(uninit_q, rfn, lock, node_id);
+	q = blk_init_allocated_queue(uninit_q, rfn, lock);
 	if (!q)
 		blk_cleanup_queue(uninit_q);
 
@@ -562,19 +570,10 @@ EXPORT_SYMBOL(blk_init_queue_node);
 struct request_queue *
 blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn,
 			 spinlock_t *lock)
-{
-	return blk_init_allocated_queue_node(q, rfn, lock, -1);
-}
-EXPORT_SYMBOL(blk_init_allocated_queue);
-
-struct request_queue *
-blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
-			      spinlock_t *lock, int node_id)
 {
 	if (!q)
 		return NULL;
 
-	q->node = node_id;
 	if (blk_init_free_list(q))
 		return NULL;
 
@@ -604,7 +603,7 @@ blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
 
 	return NULL;
 }
-EXPORT_SYMBOL(blk_init_allocated_queue_node);
+EXPORT_SYMBOL(blk_init_allocated_queue);
 
 int blk_get_queue(struct request_queue *q)
 {