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scsi: cleanup switch in scsi_adjust_queue_depth
While checking what scsi_adjust_queue_depth() did I thought its switch statement could be clearer: - remove redundant assignment (to sdev->queue_depth) - re-order cases (thus removing the fall-through) Signed-off-by: Douglas Gilbert <dgilbert@interlog.com> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Robert Elliott <elliott@hp.com> Tested-by: Robert Elliott <elliott@hp.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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1 changed files with 6 additions and 4 deletions
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@ -846,6 +846,10 @@ void scsi_adjust_queue_depth(struct scsi_device *sdev, int tagged, int tags)
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sdev->queue_depth = tags;
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switch (tagged) {
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case 0:
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sdev->ordered_tags = 0;
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sdev->simple_tags = 0;
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break;
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case MSG_ORDERED_TAG:
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sdev->ordered_tags = 1;
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sdev->simple_tags = 1;
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@ -855,13 +859,11 @@ void scsi_adjust_queue_depth(struct scsi_device *sdev, int tagged, int tags)
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sdev->simple_tags = 1;
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break;
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default:
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sdev->ordered_tags = 0;
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sdev->simple_tags = 0;
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sdev_printk(KERN_WARNING, sdev,
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"scsi_adjust_queue_depth, bad queue type, "
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"disabled\n");
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case 0:
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sdev->ordered_tags = sdev->simple_tags = 0;
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sdev->queue_depth = tags;
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break;
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}
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out:
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spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags);
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