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-rw-r--r--drivers/scsi/scsi_lib.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 0b33e4f1a51..c3bb28c3fee 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -96,6 +96,8 @@ int scsi_insert_special_req(struct scsi_request *sreq, int at_head)
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 *cmd, int reason)
{
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));
@@ -160,17 +164,22 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
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;
}