blk_end_request: changing um (take 4)

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

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

Cc: Jeff Dike <jdike@karaya.com>
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, 4 insertions, 12 deletions

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index b1a77b11f089..99f9f9605e9c 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -475,17 +475,9 @@ 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
@@ -493,10 +485,10 @@ static void ubd_end_request(struct request *req, int bytes, int uptodate)
 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);