[PATCH 1/5] xen/blkfront: Make sure we don't use bounce buffers,we don't need them.

[Jeremy Fitzhardinge]

From: Ian Campbell <ian.campbell@xxxxxxxxxxxxx>

[ linux-2.6.18-xen changeset 667228bf8fc5 ]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxxxxx>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
drivers/block/xen-blkfront.c |    3 +++
1 file changed, 3 insertions(+)

===================================================================
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -324,6 +324,9 @@
	/* Make sure buffer addresses are sector-aligned. */
	blk_queue_dma_alignment(rq, 511);

+	/* Make sure we don't use bounce buffers. */
+	blk_queue_bounce_limit(rq, BLK_BOUNCE_ANY);
+
	gd->queue = rq;

	return 0;


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