blk_end_request: changing viocd (take 4)

This patch converts viocd to use blk_end_request interfaces.
Related 'uptodate' arguments are converted to 'error'.

As a result, the interface of internal function, viocd_end_request(),
is changed.

Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 6 insertions, 9 deletions

diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index d8bb44b98a6a..8473b9f1da96 100644
--- a/drivers/cdrom/viocd.c
+++ b/drivers/cdrom/viocd.c
@@ -289,7 +289,7 @@ static int send_request(struct request *req)
         return 0;
 }
 
-static void viocd_end_request(struct request *req, int uptodate)
+static void viocd_end_request(struct request *req, int error)
 {
         int nsectors = req->hard_nr_sectors;
 
@@ -302,11 +302,8 @@ static void viocd_end_request(struct request *req, int uptodate)
         if (!nsectors)
                 nsectors = 1;
 
-        if (end_that_request_first(req, uptodate, nsectors))
+        if (__blk_end_request(req, error, nsectors << 9))
                 BUG();
-        add_disk_randomness(req->rq_disk);
-        blkdev_dequeue_request(req);
-        end_that_request_last(req, uptodate);
 }
 
 static int rwreq;
@@ -317,11 +314,11 @@ static void do_viocd_request(struct request_queue *q)
 
         while ((rwreq == 0) && ((req = elv_next_request(q)) != NULL)) {
                 if (!blk_fs_request(req))
-                        viocd_end_request(req, 0);
+                        viocd_end_request(req, -EIO);
                 else if (send_request(req) < 0) {
                         printk(VIOCD_KERN_WARNING
                                         "unable to send message to OS/400!");
-                        viocd_end_request(req, 0);
+                        viocd_end_request(req, -EIO);
                 } else
                         rwreq++;
         }
@@ -532,9 +529,9 @@ return_complete:
                                         "with rc %d:0x%04X: %s\n",
                                         req, event->xRc,
                                         bevent->sub_result, err->msg);
-                        viocd_end_request(req, 0);
+                        viocd_end_request(req, -EIO);
                 } else
-                        viocd_end_request(req, 1);
+                        viocd_end_request(req, 0);
 
                 /* restart handling of incoming requests */
                 spin_unlock_irqrestore(&viocd_reqlock, flags);