[PATCH] md: Make sure QUEUE_FLAG_CLUSTER is set properly for md.
This flag should be set for a virtual device iff it is set for all underlying devices. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -785,6 +785,8 @@ void blk_queue_stack_limits(request_queue_t *t, request_queue_t *b)
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t->max_hw_segments = min(t->max_hw_segments,b->max_hw_segments);
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t->max_hw_segments = min(t->max_hw_segments,b->max_hw_segments);
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t->max_segment_size = min(t->max_segment_size,b->max_segment_size);
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t->max_segment_size = min(t->max_segment_size,b->max_segment_size);
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t->hardsect_size = max(t->hardsect_size,b->hardsect_size);
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t->hardsect_size = max(t->hardsect_size,b->hardsect_size);
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if (!test_bit(QUEUE_FLAG_CLUSTER, &b->queue_flags))
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clear_bit(QUEUE_FLAG_CLUSTER, &t->queue_flags);
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}
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}
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EXPORT_SYMBOL(blk_queue_stack_limits);
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EXPORT_SYMBOL(blk_queue_stack_limits);
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@ -266,6 +266,7 @@ static mddev_t * mddev_find(dev_t unit)
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kfree(new);
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kfree(new);
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return NULL;
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return NULL;
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}
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}
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set_bit(QUEUE_FLAG_CLUSTER, &new->queue->queue_flags);
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blk_queue_make_request(new->queue, md_fail_request);
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blk_queue_make_request(new->queue, md_fail_request);
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