blk_end_request: changing s390 (take 4)
This patch converts s390 to use blk_end_request interfaces.
Related 'uptodate' arguments are converted to 'error'.
As a result, the interfaces of internal functions below are changed:
o dasd_end_request
o tapeblock_end_request
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux390@de.ibm.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>
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index eeb92e2..ddc4a11 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -74,11 +74,10 @@
* Post finished request.
*/
static void
-tapeblock_end_request(struct request *req, int uptodate)
+tapeblock_end_request(struct request *req, int error)
{
- if (end_that_request_first(req, uptodate, req->hard_nr_sectors))
+ if (__blk_end_request(req, error, blk_rq_bytes(req)))
BUG();
- end_that_request_last(req, uptodate);
}
static void
@@ -91,7 +90,7 @@
device = ccw_req->device;
req = (struct request *) data;
- tapeblock_end_request(req, ccw_req->rc == 0);
+ tapeblock_end_request(req, (ccw_req->rc == 0) ? 0 : -EIO);
if (ccw_req->rc == 0)
/* Update position. */
device->blk_data.block_position =
@@ -119,7 +118,7 @@
ccw_req = device->discipline->bread(device, req);
if (IS_ERR(ccw_req)) {
DBF_EVENT(1, "TBLOCK: bread failed\n");
- tapeblock_end_request(req, 0);
+ tapeblock_end_request(req, -EIO);
return PTR_ERR(ccw_req);
}
ccw_req->callback = __tapeblock_end_request;
@@ -132,7 +131,7 @@
* Start/enqueueing failed. No retries in
* this case.
*/
- tapeblock_end_request(req, 0);
+ tapeblock_end_request(req, -EIO);
device->discipline->free_bread(ccw_req);
}
@@ -177,7 +176,7 @@
if (rq_data_dir(req) == WRITE) {
DBF_EVENT(1, "TBLOCK: Rejecting write request\n");
blkdev_dequeue_request(req);
- tapeblock_end_request(req, 0);
+ tapeblock_end_request(req, -EIO);
continue;
}
spin_unlock_irq(&device->blk_data.request_queue_lock);