[PATCH] Add Pseudo LLD bus_type probe and remove methods

[linux-2.6] / drivers / scsi / scsi_lib.c

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ba93d6e66d481506dc065c5763eb53f6f91fed7e..00c9bf383e2309f357ae0e23416c0b27557ebc53 100644 (file)
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1493,6 +1493,41 @@ static void scsi_kill_request(struct request *req, request_queue_t *q)
        __scsi_done(cmd);
 }
 
+static void scsi_softirq_done(struct request *rq)
+{
+       struct scsi_cmnd *cmd = rq->completion_data;
+       unsigned long wait_for = cmd->allowed * cmd->timeout_per_command;
+       int disposition;
+
+       INIT_LIST_HEAD(&cmd->eh_entry);
+
+       disposition = scsi_decide_disposition(cmd);
+       if (disposition != SUCCESS &&
+           time_before(cmd->jiffies_at_alloc + wait_for, jiffies)) {
+               sdev_printk(KERN_ERR, cmd->device,
+                           "timing out command, waited %lus\n",
+                           wait_for/HZ);
+               disposition = SUCCESS;
+       }
+                       
+       scsi_log_completion(cmd, disposition);
+
+       switch (disposition) {
+               case SUCCESS:
+                       scsi_finish_command(cmd);
+                       break;
+               case NEEDS_RETRY:
+                       scsi_retry_command(cmd);
+                       break;
+               case ADD_TO_MLQUEUE:
+                       scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY);
+                       break;
+               default:
+                       if (!scsi_eh_scmd_add(cmd, 0))
+                               scsi_finish_command(cmd);
+       }
+}
+
 /*
  * Function:    scsi_request_fn()
  *
@@ -1667,6 +1702,7 @@ struct request_queue *scsi_alloc_queue(struct scsi_device *sdev)
        blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost));
        blk_queue_segment_boundary(q, shost->dma_boundary);
        blk_queue_issue_flush_fn(q, scsi_issue_flush_fn);
+       blk_queue_softirq_done(q, scsi_softirq_done);
 
        if (!shost->use_clustering)
                clear_bit(QUEUE_FLAG_CLUSTER, &q->queue_flags);