Hello, James.
This is the modified patch with the comment (slightly modified).
With this patch, the next patch in this patchset complains about line
offset but it's okay.
Thanks.
Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
Index: scsi-reqfn-export/drivers/scsi/scsi_lib.c
===================================================================
--- scsi-reqfn-export.orig/drivers/scsi/scsi_lib.c 2005-04-21
11:33:13.000000000 +0900
+++ scsi-reqfn-export/drivers/scsi/scsi_lib.c 2005-04-21 11:39:17.000000000
+0900
@@ -96,6 +96,8 @@ int scsi_insert_special_req(struct scsi_
return 0;
}
+static void scsi_run_queue(struct request_queue *q);
+
/*
* Function: scsi_queue_insert()
*
@@ -119,6 +121,8 @@ int scsi_queue_insert(struct scsi_cmnd *
{
struct Scsi_Host *host = cmd->device->host;
struct scsi_device *device = cmd->device;
+ struct request_queue *q = device->request_queue;
+ unsigned long flags;
SCSI_LOG_MLQUEUE(1,
printk("Inserting command %p into mlqueue\n", cmd));
@@ -154,17 +158,22 @@ int scsi_queue_insert(struct scsi_cmnd *
scsi_device_unbusy(device);
/*
- * Insert this command at the head of the queue for it's device.
- * It will go before all other commands that are already in the queue.
+ * Requeue this command. It will go before all other commands
+ * that are already in the queue.
*
* NOTE: there is magic here about the way the queue is plugged if
* we have no outstanding commands.
*
- * Although this *doesn't* plug the queue, it does call the request
+ * Although we *don't* plug the queue, we call the request
* function. The SCSI request function detects the blocked condition
* and plugs the queue appropriately.
- */
- blk_insert_request(device->request_queue, cmd->request, 1, cmd, 1);
+ */
+ spin_lock_irqsave(q->queue_lock, flags);
+ blk_requeue_request(q, cmd->request);
+ spin_unlock_irqrestore(q->queue_lock, flags);
+
+ scsi_run_queue(q);
+
return 0;
}
-
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