[POWERPC] 83xx: Update mpc832x_rdb_defconfig to enable MMC-over-SPI

[linux-2.6] / block / ll_rw_blk.c

diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 75c98d58f4ddf7252e2717e0924b9d6a8925b4e5..3b927be038501f178577da45ebb447c6dc27b90f 100644 (file)
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -1143,22 +1143,9 @@ EXPORT_SYMBOL(blk_queue_start_tag);
 void blk_queue_invalidate_tags(struct request_queue *q)
 {
        struct list_head *tmp, *n;
-       struct request *rq;
-
-       list_for_each_safe(tmp, n, &q->tag_busy_list) {
-               rq = list_entry_rq(tmp);
 
-               if (rq->tag == -1) {
-                       printk(KERN_ERR
-                              "%s: bad tag found on list\n", __FUNCTION__);
-                       list_del_init(&rq->queuelist);
-                       rq->cmd_flags &= ~REQ_QUEUED;
-               } else
-                       blk_queue_end_tag(q, rq);
-
-               rq->cmd_flags &= ~REQ_STARTED;
-               __elv_add_request(q, rq, ELEVATOR_INSERT_BACK, 0);
-       }
+       list_for_each_safe(tmp, n, &q->tag_busy_list)
+               blk_requeue_request(q, list_entry_rq(tmp));
 }
 
 EXPORT_SYMBOL(blk_queue_invalidate_tags);
@@ -1634,15 +1621,7 @@ static void blk_backing_dev_unplug(struct backing_dev_info *bdi,
 {
        struct request_queue *q = bdi->unplug_io_data;
 
-       /*
-        * devices don't necessarily have an ->unplug_fn defined
-        */
-       if (q->unplug_fn) {
-               blk_add_trace_pdu_int(q, BLK_TA_UNPLUG_IO, NULL,
-                                       q->rq.count[READ] + q->rq.count[WRITE]);
-
-               q->unplug_fn(q);
-       }
+       blk_unplug(q);
 }
 
 static void blk_unplug_work(struct work_struct *work)
@@ -1666,6 +1645,20 @@ static void blk_unplug_timeout(unsigned long data)
        kblockd_schedule_work(&q->unplug_work);
 }
 
+void blk_unplug(struct request_queue *q)
+{
+       /*
+        * devices don't necessarily have an ->unplug_fn defined
+        */
+       if (q->unplug_fn) {
+               blk_add_trace_pdu_int(q, BLK_TA_UNPLUG_IO, NULL,
+                                       q->rq.count[READ] + q->rq.count[WRITE]);
+
+               q->unplug_fn(q);
+       }
+}
+EXPORT_SYMBOL(blk_unplug);
+
 /**
  * blk_start_queue - restart a previously stopped queue
  * @q:    The &struct request_queue in question