diff -r 8305d08f6ecf -r 5e7598cf7714 drivers/scsi/scsi_lib.c
--- a/drivers/scsi/scsi_lib.c Wed Aug 25 13:44:33 2010 -0700
+++ b/drivers/scsi/scsi_lib.c Wed Aug 25 13:44:33 2010 -0700
@@ -1633,8 +1633,10 @@ struct request_queue *__scsi_alloc_queue
blk_queue_max_segment_size(q, dma_get_max_seg_size(dev));

/* New queue, no concurrency on queue_flags */
- if (!shost->use_clustering)
+ if (!shost->use_clustering) {
queue_flag_clear_unlocked(QUEUE_FLAG_CLUSTER, q);
+ q->limits.no_cluster = 1;
+ }

/*
* set a reasonable default alignment on word boundaries: the

--
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