Merge branch 'blk-end-request' of git://git.kernel.dk/linux-2.6-block

* 'blk-end-request' of git://git.kernel.dk/linux-2.6-block: (30 commits)
  blk_end_request: changing xsysace (take 4)
  blk_end_request: changing ub (take 4)
  blk_end_request: cleanup of request completion (take 4)
  blk_end_request: cleanup 'uptodate' related code (take 4)
  blk_end_request: remove/unexport end_that_request_* (take 4)
  blk_end_request: changing scsi (take 4)
  blk_end_request: add bidi completion interface (take 4)
  blk_end_request: changing ide-cd (take 4)
  blk_end_request: add callback feature (take 4)
  blk_end_request: changing ide normal caller (take 4)
  blk_end_request: changing cpqarray (take 4)
  blk_end_request: changing cciss (take 4)
  blk_end_request: changing ide-scsi (take 4)
  blk_end_request: changing s390 (take 4)
  blk_end_request: changing mmc (take 4)
  blk_end_request: changing i2o_block (take 4)
  blk_end_request: changing viocd (take 4)
  blk_end_request: changing xen-blkfront (take 4)
  blk_end_request: changing viodasd (take 4)
  blk_end_request: changing sx8 (take 4)
  ...

arch/arm/plat-omap/mailbox.c

@@ -116,8 +116,8 @@ static void mbox_tx_work(struct work_struct *work)
 		}
 
 		spin_lock(q->queue_lock);
-		blkdev_dequeue_request(rq);
-		end_that_request_last(rq, 0);
+		if (__blk_end_request(rq, 0, 0))
+			BUG();
 		spin_unlock(q->queue_lock);
 	}
 }
@@ -149,10 +149,8 @@ static void mbox_rx_work(struct work_struct *work)
 
 		msg = (mbox_msg_t) rq->data;
 
-		spin_lock_irqsave(q->queue_lock, flags);
-		blkdev_dequeue_request(rq);
-		end_that_request_last(rq, 0);
-		spin_unlock_irqrestore(q->queue_lock, flags);
+		if (blk_end_request(rq, 0, 0))
+			BUG();
 
 		mbox->rxq->callback((void *)msg);
 	}
@@ -263,10 +261,8 @@ omap_mbox_read(struct device *dev, struct device_attribute *attr, char *buf)
 
 		*p = (mbox_msg_t) rq->data;
 
-		spin_lock_irqsave(q->queue_lock, flags);
-		blkdev_dequeue_request(rq);
-		end_that_request_last(rq, 0);
-		spin_unlock_irqrestore(q->queue_lock, flags);
+		if (blk_end_request(rq, 0, 0))
+			BUG();
 
 		if (unlikely(mbox_seq_test(mbox, *p))) {
 			pr_info("mbox: Illegal seq bit!(%08x) ignored\n", *p);

arch/um/drivers/ubd_kern.c

@@ -475,28 +475,20 @@ static void do_ubd_request(struct request_queue * q);
 /* Only changed by ubd_init, which is an initcall. */
 int thread_fd = -1;
 
-static void ubd_end_request(struct request *req, int bytes, int uptodate)
+static void ubd_end_request(struct request *req, int bytes, int error)
 {
-	if (!end_that_request_first(req, uptodate, bytes >> 9)) {
-		struct ubd *dev = req->rq_disk->private_data;
-		unsigned long flags;
-
-		add_disk_randomness(req->rq_disk);
-		spin_lock_irqsave(&dev->lock, flags);
-		end_that_request_last(req, uptodate);
-		spin_unlock_irqrestore(&dev->lock, flags);
-	}
+	blk_end_request(req, error, bytes);
 }
 
 /* Callable only from interrupt context - otherwise you need to do
  * spin_lock_irq()/spin_lock_irqsave() */
 static inline void ubd_finish(struct request *req, int bytes)
 {
 	if(bytes < 0){
-		ubd_end_request(req, 0, 0);
+		ubd_end_request(req, 0, -EIO);
 		return;
 	}
-	ubd_end_request(req, bytes, 1);
+	ubd_end_request(req, bytes, 0);
 }
 
 static LIST_HEAD(restart);