add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/scsi_scan.c
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@@ -236,7 +236,6 @@
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 	sdev->sdev_state = SDEV_CREATED;
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 	INIT_LIST_HEAD(&sdev->siblings);
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 	INIT_LIST_HEAD(&sdev->same_target_siblings);
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-	INIT_LIST_HEAD(&sdev->cmd_list);
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 	INIT_LIST_HEAD(&sdev->starved_entry);
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 	INIT_LIST_HEAD(&sdev->event_list);
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 	spin_lock_init(&sdev->list_lock);
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@@ -266,10 +265,7 @@
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 	 */
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 	sdev->borken = 1;
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-	if (shost_use_blk_mq(shost))
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-		sdev->request_queue = scsi_mq_alloc_queue(sdev);
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-	else
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-		sdev->request_queue = scsi_old_alloc_queue(sdev);
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+	sdev->request_queue = scsi_mq_alloc_queue(sdev);
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 	if (!sdev->request_queue) {
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 		/* release fn is set up in scsi_sysfs_device_initialise, so
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 		 * have to free and put manually here */
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@@ -280,11 +276,6 @@
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 	WARN_ON_ONCE(!blk_get_queue(sdev->request_queue));
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 	sdev->request_queue->queuedata = sdev;
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-	if (!shost_use_blk_mq(sdev->host)) {
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-		blk_queue_init_tags(sdev->request_queue,
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-				    sdev->host->cmd_per_lun, shost->bqt,
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-				    shost->hostt->tag_alloc_policy);
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-	}
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 	scsi_change_queue_depth(sdev, sdev->host->cmd_per_lun ?
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 					sdev->host->cmd_per_lun : 1);
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