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Subject[PATCH 1 of 5] xen/blkfront: Make sure we don't use bounce buffers, we don't need them
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From: Ian Campbell <ian.campbell@xensource.com>

[ linux-2.6.18-xen changeset 667228bf8fc5 ]

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

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
--- 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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