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>

diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c
index d8bb44b98a6ad0c4c0fca6f8170c70ba48524d17..8473b9f1da96168df571768b41889bf982c7e6a0 100644 (file)
--- 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);