block: fold cmd_type into the REQ_OP_ space
Instead of keeping two levels of indirection for requests types, fold it
all into the operations. The little caveat here is that previously
cmd_type only applied to struct request, while the request and bio op
fields were set to plain REQ_OP_READ/WRITE even for passthrough
operations.
Instead this patch adds new REQ_OP_* for SCSI passthrough and driver
private requests, althought it has to add two for each so that we
can communicate the data in/out nature of the request.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index b4ce7bb..9e82fa5 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -1974,7 +1974,7 @@ static void scsi_eh_lock_door(struct scsi_device *sdev)
* blk_get_request with GFP_KERNEL (__GFP_RECLAIM) sleeps until a
* request becomes available
*/
- req = blk_get_request(sdev->request_queue, READ, GFP_KERNEL);
+ req = blk_get_request(sdev->request_queue, REQ_OP_SCSI_IN, GFP_KERNEL);
if (IS_ERR(req))
return;
rq = scsi_req(req);